+++ /dev/null
-/*
- * Scsi Host Layer for MPT (Message Passing Technology) based controllers
- *
- * This code is based on drivers/scsi/mpt2sas/mpt2_scsih.c
- * Copyright (C) 2007-2014 LSI Corporation
- * Copyright (C) 20013-2014 Avago Technologies
- * (mailto: MPT-FusionLinux.pdl@avagotech.com)
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * NO WARRANTY
- * THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
- * CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
- * LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
- * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
- * solely responsible for determining the appropriateness of using and
- * distributing the Program and assumes all risks associated with its
- * exercise of rights under this Agreement, including but not limited to
- * the risks and costs of program errors, damage to or loss of data,
- * programs or equipment, and unavailability or interruption of operations.
-
- * DISCLAIMER OF LIABILITY
- * NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
- * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
- * USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
- * HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
-
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
- * USA.
- */
-
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/errno.h>
-#include <linux/blkdev.h>
-#include <linux/sched.h>
-#include <linux/workqueue.h>
-#include <linux/delay.h>
-#include <linux/pci.h>
-#include <linux/interrupt.h>
-#include <linux/aer.h>
-#include <linux/raid_class.h>
-#include <linux/slab.h>
-
-#include <asm/unaligned.h>
-
-#include "mpt2sas_base.h"
-
-MODULE_AUTHOR(MPT2SAS_AUTHOR);
-MODULE_DESCRIPTION(MPT2SAS_DESCRIPTION);
-MODULE_LICENSE("GPL");
-MODULE_VERSION(MPT2SAS_DRIVER_VERSION);
-
-#define RAID_CHANNEL 1
-
-/* forward proto's */
-static void _scsih_expander_node_remove(struct MPT2SAS_ADAPTER *ioc,
- struct _sas_node *sas_expander);
-static void _firmware_event_work(struct work_struct *work);
-
-static u8 _scsih_check_for_pending_tm(struct MPT2SAS_ADAPTER *ioc, u16 smid);
-
-static void _scsih_scan_start(struct Scsi_Host *shost);
-static int _scsih_scan_finished(struct Scsi_Host *shost, unsigned long time);
-
-/* global parameters */
-LIST_HEAD(mpt2sas_ioc_list);
-
-/* local parameters */
-static u8 scsi_io_cb_idx = -1;
-static u8 tm_cb_idx = -1;
-static u8 ctl_cb_idx = -1;
-static u8 base_cb_idx = -1;
-static u8 port_enable_cb_idx = -1;
-static u8 transport_cb_idx = -1;
-static u8 scsih_cb_idx = -1;
-static u8 config_cb_idx = -1;
-static int mpt_ids;
-
-static u8 tm_tr_cb_idx = -1 ;
-static u8 tm_tr_volume_cb_idx = -1 ;
-static u8 tm_sas_control_cb_idx = -1;
-
-/* command line options */
-static u32 logging_level;
-MODULE_PARM_DESC(logging_level, " bits for enabling additional logging info "
- "(default=0)");
-
-static ushort max_sectors = 0xFFFF;
-module_param(max_sectors, ushort, 0);
-MODULE_PARM_DESC(max_sectors, "max sectors, range 64 to 32767 default=32767");
-
-static int missing_delay[2] = {-1, -1};
-module_param_array(missing_delay, int, NULL, 0);
-MODULE_PARM_DESC(missing_delay, " device missing delay , io missing delay");
-
-/* scsi-mid layer global parmeter is max_report_luns, which is 511 */
-#define MPT2SAS_MAX_LUN (16895)
-static int max_lun = MPT2SAS_MAX_LUN;
-module_param(max_lun, int, 0);
-MODULE_PARM_DESC(max_lun, " max lun, default=16895 ");
-
-/* diag_buffer_enable is bitwise
- * bit 0 set = TRACE
- * bit 1 set = SNAPSHOT
- * bit 2 set = EXTENDED
- *
- * Either bit can be set, or both
- */
-static int diag_buffer_enable = -1;
-module_param(diag_buffer_enable, int, 0);
-MODULE_PARM_DESC(diag_buffer_enable, " post diag buffers "
- "(TRACE=1/SNAPSHOT=2/EXTENDED=4/default=0)");
-
-static int disable_discovery = -1;
-module_param(disable_discovery, int, 0);
-MODULE_PARM_DESC(disable_discovery, " disable discovery ");
-
-/* permit overriding the host protection capabilities mask (EEDP/T10 PI) */
-static int prot_mask = 0;
-module_param(prot_mask, int, 0);
-MODULE_PARM_DESC(prot_mask, " host protection capabilities mask, def=7 ");
-
-/**
- * struct sense_info - common structure for obtaining sense keys
- * @skey: sense key
- * @asc: additional sense code
- * @ascq: additional sense code qualifier
- */
-struct sense_info {
- u8 skey;
- u8 asc;
- u8 ascq;
-};
-
-
-#define MPT2SAS_TURN_ON_PFA_LED (0xFFFC)
-#define MPT2SAS_PORT_ENABLE_COMPLETE (0xFFFD)
-#define MPT2SAS_REMOVE_UNRESPONDING_DEVICES (0xFFFF)
-/**
- * struct fw_event_work - firmware event struct
- * @list: link list framework
- * @work: work object (ioc->fault_reset_work_q)
- * @cancel_pending_work: flag set during reset handling
- * @ioc: per adapter object
- * @device_handle: device handle
- * @VF_ID: virtual function id
- * @VP_ID: virtual port id
- * @ignore: flag meaning this event has been marked to ignore
- * @event: firmware event MPI2_EVENT_XXX defined in mpt2_ioc.h
- * @event_data: reply event data payload follows
- *
- * This object stored on ioc->fw_event_list.
- */
-struct fw_event_work {
- struct list_head list;
- u8 cancel_pending_work;
- struct delayed_work delayed_work;
- struct MPT2SAS_ADAPTER *ioc;
- u16 device_handle;
- u8 VF_ID;
- u8 VP_ID;
- u8 ignore;
- u16 event;
- char event_data[0] __aligned(4);
-};
-
-/* raid transport support */
-static struct raid_template *mpt2sas_raid_template;
-
-/**
- * struct _scsi_io_transfer - scsi io transfer
- * @handle: sas device handle (assigned by firmware)
- * @is_raid: flag set for hidden raid components
- * @dir: DMA_TO_DEVICE, DMA_FROM_DEVICE,
- * @data_length: data transfer length
- * @data_dma: dma pointer to data
- * @sense: sense data
- * @lun: lun number
- * @cdb_length: cdb length
- * @cdb: cdb contents
- * @timeout: timeout for this command
- * @VF_ID: virtual function id
- * @VP_ID: virtual port id
- * @valid_reply: flag set for reply message
- * @sense_length: sense length
- * @ioc_status: ioc status
- * @scsi_state: scsi state
- * @scsi_status: scsi staus
- * @log_info: log information
- * @transfer_length: data length transfer when there is a reply message
- *
- * Used for sending internal scsi commands to devices within this module.
- * Refer to _scsi_send_scsi_io().
- */
-struct _scsi_io_transfer {
- u16 handle;
- u8 is_raid;
- enum dma_data_direction dir;
- u32 data_length;
- dma_addr_t data_dma;
- u8 sense[SCSI_SENSE_BUFFERSIZE];
- u32 lun;
- u8 cdb_length;
- u8 cdb[32];
- u8 timeout;
- u8 VF_ID;
- u8 VP_ID;
- u8 valid_reply;
- /* the following bits are only valid when 'valid_reply = 1' */
- u32 sense_length;
- u16 ioc_status;
- u8 scsi_state;
- u8 scsi_status;
- u32 log_info;
- u32 transfer_length;
-};
-
-/*
- * The pci device ids are defined in mpi/mpi2_cnfg.h.
- */
-static struct pci_device_id scsih_pci_table[] = {
- { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2004,
- PCI_ANY_ID, PCI_ANY_ID },
- /* Falcon ~ 2008*/
- { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2008,
- PCI_ANY_ID, PCI_ANY_ID },
- /* Liberator ~ 2108 */
- { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2108_1,
- PCI_ANY_ID, PCI_ANY_ID },
- { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2108_2,
- PCI_ANY_ID, PCI_ANY_ID },
- { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2108_3,
- PCI_ANY_ID, PCI_ANY_ID },
- /* Meteor ~ 2116 */
- { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2116_1,
- PCI_ANY_ID, PCI_ANY_ID },
- { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2116_2,
- PCI_ANY_ID, PCI_ANY_ID },
- /* Thunderbolt ~ 2208 */
- { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_1,
- PCI_ANY_ID, PCI_ANY_ID },
- { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_2,
- PCI_ANY_ID, PCI_ANY_ID },
- { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_3,
- PCI_ANY_ID, PCI_ANY_ID },
- { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_4,
- PCI_ANY_ID, PCI_ANY_ID },
- { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_5,
- PCI_ANY_ID, PCI_ANY_ID },
- { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_6,
- PCI_ANY_ID, PCI_ANY_ID },
- /* Mustang ~ 2308 */
- { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2308_1,
- PCI_ANY_ID, PCI_ANY_ID },
- { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2308_2,
- PCI_ANY_ID, PCI_ANY_ID },
- { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2308_3,
- PCI_ANY_ID, PCI_ANY_ID },
- /* SSS6200 */
- { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SSS6200,
- PCI_ANY_ID, PCI_ANY_ID },
- {0} /* Terminating entry */
-};
-MODULE_DEVICE_TABLE(pci, scsih_pci_table);
-
-/**
- * _scsih_set_debug_level - global setting of ioc->logging_level.
- *
- * Note: The logging levels are defined in mpt2sas_debug.h.
- */
-static int
-_scsih_set_debug_level(const char *val, struct kernel_param *kp)
-{
- int ret = param_set_int(val, kp);
- struct MPT2SAS_ADAPTER *ioc;
-
- if (ret)
- return ret;
-
- printk(KERN_INFO "setting logging_level(0x%08x)\n", logging_level);
- list_for_each_entry(ioc, &mpt2sas_ioc_list, list)
- ioc->logging_level = logging_level;
- return 0;
-}
-module_param_call(logging_level, _scsih_set_debug_level, param_get_int,
- &logging_level, 0644);
-
-/**
- * _scsih_srch_boot_sas_address - search based on sas_address
- * @sas_address: sas address
- * @boot_device: boot device object from bios page 2
- *
- * Returns 1 when there's a match, 0 means no match.
- */
-static inline int
-_scsih_srch_boot_sas_address(u64 sas_address,
- Mpi2BootDeviceSasWwid_t *boot_device)
-{
- return (sas_address == le64_to_cpu(boot_device->SASAddress)) ? 1 : 0;
-}
-
-/**
- * _scsih_srch_boot_device_name - search based on device name
- * @device_name: device name specified in INDENTIFY fram
- * @boot_device: boot device object from bios page 2
- *
- * Returns 1 when there's a match, 0 means no match.
- */
-static inline int
-_scsih_srch_boot_device_name(u64 device_name,
- Mpi2BootDeviceDeviceName_t *boot_device)
-{
- return (device_name == le64_to_cpu(boot_device->DeviceName)) ? 1 : 0;
-}
-
-/**
- * _scsih_srch_boot_encl_slot - search based on enclosure_logical_id/slot
- * @enclosure_logical_id: enclosure logical id
- * @slot_number: slot number
- * @boot_device: boot device object from bios page 2
- *
- * Returns 1 when there's a match, 0 means no match.
- */
-static inline int
-_scsih_srch_boot_encl_slot(u64 enclosure_logical_id, u16 slot_number,
- Mpi2BootDeviceEnclosureSlot_t *boot_device)
-{
- return (enclosure_logical_id == le64_to_cpu(boot_device->
- EnclosureLogicalID) && slot_number == le16_to_cpu(boot_device->
- SlotNumber)) ? 1 : 0;
-}
-
-/**
- * _scsih_is_boot_device - search for matching boot device.
- * @sas_address: sas address
- * @device_name: device name specified in INDENTIFY fram
- * @enclosure_logical_id: enclosure logical id
- * @slot_number: slot number
- * @form: specifies boot device form
- * @boot_device: boot device object from bios page 2
- *
- * Returns 1 when there's a match, 0 means no match.
- */
-static int
-_scsih_is_boot_device(u64 sas_address, u64 device_name,
- u64 enclosure_logical_id, u16 slot, u8 form,
- Mpi2BiosPage2BootDevice_t *boot_device)
-{
- int rc = 0;
-
- switch (form) {
- case MPI2_BIOSPAGE2_FORM_SAS_WWID:
- if (!sas_address)
- break;
- rc = _scsih_srch_boot_sas_address(
- sas_address, &boot_device->SasWwid);
- break;
- case MPI2_BIOSPAGE2_FORM_ENCLOSURE_SLOT:
- if (!enclosure_logical_id)
- break;
- rc = _scsih_srch_boot_encl_slot(
- enclosure_logical_id,
- slot, &boot_device->EnclosureSlot);
- break;
- case MPI2_BIOSPAGE2_FORM_DEVICE_NAME:
- if (!device_name)
- break;
- rc = _scsih_srch_boot_device_name(
- device_name, &boot_device->DeviceName);
- break;
- case MPI2_BIOSPAGE2_FORM_NO_DEVICE_SPECIFIED:
- break;
- }
-
- return rc;
-}
-
-/**
- * _scsih_get_sas_address - set the sas_address for given device handle
- * @handle: device handle
- * @sas_address: sas address
- *
- * Returns 0 success, non-zero when failure
- */
-static int
-_scsih_get_sas_address(struct MPT2SAS_ADAPTER *ioc, u16 handle,
- u64 *sas_address)
-{
- Mpi2SasDevicePage0_t sas_device_pg0;
- Mpi2ConfigReply_t mpi_reply;
- u32 ioc_status;
- *sas_address = 0;
-
- if (handle <= ioc->sas_hba.num_phys) {
- *sas_address = ioc->sas_hba.sas_address;
- return 0;
- }
-
- if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0,
- MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", ioc->name,
- __FILE__, __LINE__, __func__);
- return -ENXIO;
- }
-
- ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & MPI2_IOCSTATUS_MASK;
- if (ioc_status == MPI2_IOCSTATUS_SUCCESS) {
- *sas_address = le64_to_cpu(sas_device_pg0.SASAddress);
- return 0;
- }
-
- /* we hit this becuase the given parent handle doesn't exist */
- if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE)
- return -ENXIO;
- /* else error case */
- printk(MPT2SAS_ERR_FMT "handle(0x%04x), ioc_status(0x%04x), "
- "failure at %s:%d/%s()!\n", ioc->name, handle, ioc_status,
- __FILE__, __LINE__, __func__);
- return -EIO;
-}
-
-/**
- * _scsih_determine_boot_device - determine boot device.
- * @ioc: per adapter object
- * @device: either sas_device or raid_device object
- * @is_raid: [flag] 1 = raid object, 0 = sas object
- *
- * Determines whether this device should be first reported device to
- * to scsi-ml or sas transport, this purpose is for persistent boot device.
- * There are primary, alternate, and current entries in bios page 2. The order
- * priority is primary, alternate, then current. This routine saves
- * the corresponding device object and is_raid flag in the ioc object.
- * The saved data to be used later in _scsih_probe_boot_devices().
- */
-static void
-_scsih_determine_boot_device(struct MPT2SAS_ADAPTER *ioc,
- void *device, u8 is_raid)
-{
- struct _sas_device *sas_device;
- struct _raid_device *raid_device;
- u64 sas_address;
- u64 device_name;
- u64 enclosure_logical_id;
- u16 slot;
-
- /* only process this function when driver loads */
- if (!ioc->is_driver_loading)
- return;
-
- /* no Bios, return immediately */
- if (!ioc->bios_pg3.BiosVersion)
- return;
-
- if (!is_raid) {
- sas_device = device;
- sas_address = sas_device->sas_address;
- device_name = sas_device->device_name;
- enclosure_logical_id = sas_device->enclosure_logical_id;
- slot = sas_device->slot;
- } else {
- raid_device = device;
- sas_address = raid_device->wwid;
- device_name = 0;
- enclosure_logical_id = 0;
- slot = 0;
- }
-
- if (!ioc->req_boot_device.device) {
- if (_scsih_is_boot_device(sas_address, device_name,
- enclosure_logical_id, slot,
- (ioc->bios_pg2.ReqBootDeviceForm &
- MPI2_BIOSPAGE2_FORM_MASK),
- &ioc->bios_pg2.RequestedBootDevice)) {
- dinitprintk(ioc, printk(MPT2SAS_INFO_FMT
- "%s: req_boot_device(0x%016llx)\n",
- ioc->name, __func__,
- (unsigned long long)sas_address));
- ioc->req_boot_device.device = device;
- ioc->req_boot_device.is_raid = is_raid;
- }
- }
-
- if (!ioc->req_alt_boot_device.device) {
- if (_scsih_is_boot_device(sas_address, device_name,
- enclosure_logical_id, slot,
- (ioc->bios_pg2.ReqAltBootDeviceForm &
- MPI2_BIOSPAGE2_FORM_MASK),
- &ioc->bios_pg2.RequestedAltBootDevice)) {
- dinitprintk(ioc, printk(MPT2SAS_INFO_FMT
- "%s: req_alt_boot_device(0x%016llx)\n",
- ioc->name, __func__,
- (unsigned long long)sas_address));
- ioc->req_alt_boot_device.device = device;
- ioc->req_alt_boot_device.is_raid = is_raid;
- }
- }
-
- if (!ioc->current_boot_device.device) {
- if (_scsih_is_boot_device(sas_address, device_name,
- enclosure_logical_id, slot,
- (ioc->bios_pg2.CurrentBootDeviceForm &
- MPI2_BIOSPAGE2_FORM_MASK),
- &ioc->bios_pg2.CurrentBootDevice)) {
- dinitprintk(ioc, printk(MPT2SAS_INFO_FMT
- "%s: current_boot_device(0x%016llx)\n",
- ioc->name, __func__,
- (unsigned long long)sas_address));
- ioc->current_boot_device.device = device;
- ioc->current_boot_device.is_raid = is_raid;
- }
- }
-}
-
-/**
- * mpt2sas_scsih_sas_device_find_by_sas_address - sas device search
- * @ioc: per adapter object
- * @sas_address: sas address
- * Context: Calling function should acquire ioc->sas_device_lock
- *
- * This searches for sas_device based on sas_address, then return sas_device
- * object.
- */
-struct _sas_device *
-mpt2sas_scsih_sas_device_find_by_sas_address(struct MPT2SAS_ADAPTER *ioc,
- u64 sas_address)
-{
- struct _sas_device *sas_device;
-
- list_for_each_entry(sas_device, &ioc->sas_device_list, list)
- if (sas_device->sas_address == sas_address)
- return sas_device;
-
- list_for_each_entry(sas_device, &ioc->sas_device_init_list, list)
- if (sas_device->sas_address == sas_address)
- return sas_device;
-
- return NULL;
-}
-
-/**
- * _scsih_sas_device_find_by_handle - sas device search
- * @ioc: per adapter object
- * @handle: sas device handle (assigned by firmware)
- * Context: Calling function should acquire ioc->sas_device_lock
- *
- * This searches for sas_device based on sas_address, then return sas_device
- * object.
- */
-static struct _sas_device *
-_scsih_sas_device_find_by_handle(struct MPT2SAS_ADAPTER *ioc, u16 handle)
-{
- struct _sas_device *sas_device;
-
- list_for_each_entry(sas_device, &ioc->sas_device_list, list)
- if (sas_device->handle == handle)
- return sas_device;
-
- list_for_each_entry(sas_device, &ioc->sas_device_init_list, list)
- if (sas_device->handle == handle)
- return sas_device;
-
- return NULL;
-}
-
-/**
- * _scsih_sas_device_remove - remove sas_device from list.
- * @ioc: per adapter object
- * @sas_device: the sas_device object
- * Context: This function will acquire ioc->sas_device_lock.
- *
- * Removing object and freeing associated memory from the ioc->sas_device_list.
- */
-static void
-_scsih_sas_device_remove(struct MPT2SAS_ADAPTER *ioc,
- struct _sas_device *sas_device)
-{
- unsigned long flags;
-
- if (!sas_device)
- return;
-
- spin_lock_irqsave(&ioc->sas_device_lock, flags);
- list_del(&sas_device->list);
- kfree(sas_device);
- spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
-}
-
-
-/**
- * _scsih_sas_device_add - insert sas_device to the list.
- * @ioc: per adapter object
- * @sas_device: the sas_device object
- * Context: This function will acquire ioc->sas_device_lock.
- *
- * Adding new object to the ioc->sas_device_list.
- */
-static void
-_scsih_sas_device_add(struct MPT2SAS_ADAPTER *ioc,
- struct _sas_device *sas_device)
-{
- unsigned long flags;
-
- dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: handle"
- "(0x%04x), sas_addr(0x%016llx)\n", ioc->name, __func__,
- sas_device->handle, (unsigned long long)sas_device->sas_address));
-
- spin_lock_irqsave(&ioc->sas_device_lock, flags);
- list_add_tail(&sas_device->list, &ioc->sas_device_list);
- spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
-
- if (!mpt2sas_transport_port_add(ioc, sas_device->handle,
- sas_device->sas_address_parent)) {
- _scsih_sas_device_remove(ioc, sas_device);
- } else if (!sas_device->starget) {
- /* When asyn scanning is enabled, its not possible to remove
- * devices while scanning is turned on due to an oops in
- * scsi_sysfs_add_sdev()->add_device()->sysfs_addrm_start()
- */
- if (!ioc->is_driver_loading) {
- mpt2sas_transport_port_remove(ioc,
- sas_device->sas_address,
- sas_device->sas_address_parent);
- _scsih_sas_device_remove(ioc, sas_device);
- }
- }
-}
-
-/**
- * _scsih_sas_device_init_add - insert sas_device to the list.
- * @ioc: per adapter object
- * @sas_device: the sas_device object
- * Context: This function will acquire ioc->sas_device_lock.
- *
- * Adding new object at driver load time to the ioc->sas_device_init_list.
- */
-static void
-_scsih_sas_device_init_add(struct MPT2SAS_ADAPTER *ioc,
- struct _sas_device *sas_device)
-{
- unsigned long flags;
-
- dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: handle"
- "(0x%04x), sas_addr(0x%016llx)\n", ioc->name, __func__,
- sas_device->handle, (unsigned long long)sas_device->sas_address));
-
- spin_lock_irqsave(&ioc->sas_device_lock, flags);
- list_add_tail(&sas_device->list, &ioc->sas_device_init_list);
- _scsih_determine_boot_device(ioc, sas_device, 0);
- spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
-}
-
-/**
- * _scsih_raid_device_find_by_id - raid device search
- * @ioc: per adapter object
- * @id: sas device target id
- * @channel: sas device channel
- * Context: Calling function should acquire ioc->raid_device_lock
- *
- * This searches for raid_device based on target id, then return raid_device
- * object.
- */
-static struct _raid_device *
-_scsih_raid_device_find_by_id(struct MPT2SAS_ADAPTER *ioc, int id, int channel)
-{
- struct _raid_device *raid_device, *r;
-
- r = NULL;
- list_for_each_entry(raid_device, &ioc->raid_device_list, list) {
- if (raid_device->id == id && raid_device->channel == channel) {
- r = raid_device;
- goto out;
- }
- }
-
- out:
- return r;
-}
-
-/**
- * _scsih_raid_device_find_by_handle - raid device search
- * @ioc: per adapter object
- * @handle: sas device handle (assigned by firmware)
- * Context: Calling function should acquire ioc->raid_device_lock
- *
- * This searches for raid_device based on handle, then return raid_device
- * object.
- */
-static struct _raid_device *
-_scsih_raid_device_find_by_handle(struct MPT2SAS_ADAPTER *ioc, u16 handle)
-{
- struct _raid_device *raid_device, *r;
-
- r = NULL;
- list_for_each_entry(raid_device, &ioc->raid_device_list, list) {
- if (raid_device->handle != handle)
- continue;
- r = raid_device;
- goto out;
- }
-
- out:
- return r;
-}
-
-/**
- * _scsih_raid_device_find_by_wwid - raid device search
- * @ioc: per adapter object
- * @handle: sas device handle (assigned by firmware)
- * Context: Calling function should acquire ioc->raid_device_lock
- *
- * This searches for raid_device based on wwid, then return raid_device
- * object.
- */
-static struct _raid_device *
-_scsih_raid_device_find_by_wwid(struct MPT2SAS_ADAPTER *ioc, u64 wwid)
-{
- struct _raid_device *raid_device, *r;
-
- r = NULL;
- list_for_each_entry(raid_device, &ioc->raid_device_list, list) {
- if (raid_device->wwid != wwid)
- continue;
- r = raid_device;
- goto out;
- }
-
- out:
- return r;
-}
-
-/**
- * _scsih_raid_device_add - add raid_device object
- * @ioc: per adapter object
- * @raid_device: raid_device object
- *
- * This is added to the raid_device_list link list.
- */
-static void
-_scsih_raid_device_add(struct MPT2SAS_ADAPTER *ioc,
- struct _raid_device *raid_device)
-{
- unsigned long flags;
-
- dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: handle"
- "(0x%04x), wwid(0x%016llx)\n", ioc->name, __func__,
- raid_device->handle, (unsigned long long)raid_device->wwid));
-
- spin_lock_irqsave(&ioc->raid_device_lock, flags);
- list_add_tail(&raid_device->list, &ioc->raid_device_list);
- spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
-}
-
-/**
- * _scsih_raid_device_remove - delete raid_device object
- * @ioc: per adapter object
- * @raid_device: raid_device object
- *
- */
-static void
-_scsih_raid_device_remove(struct MPT2SAS_ADAPTER *ioc,
- struct _raid_device *raid_device)
-{
- unsigned long flags;
-
- spin_lock_irqsave(&ioc->raid_device_lock, flags);
- list_del(&raid_device->list);
- kfree(raid_device);
- spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
-}
-
-/**
- * mpt2sas_scsih_expander_find_by_handle - expander device search
- * @ioc: per adapter object
- * @handle: expander handle (assigned by firmware)
- * Context: Calling function should acquire ioc->sas_device_lock
- *
- * This searches for expander device based on handle, then returns the
- * sas_node object.
- */
-struct _sas_node *
-mpt2sas_scsih_expander_find_by_handle(struct MPT2SAS_ADAPTER *ioc, u16 handle)
-{
- struct _sas_node *sas_expander, *r;
-
- r = NULL;
- list_for_each_entry(sas_expander, &ioc->sas_expander_list, list) {
- if (sas_expander->handle != handle)
- continue;
- r = sas_expander;
- goto out;
- }
- out:
- return r;
-}
-
-/**
- * mpt2sas_scsih_expander_find_by_sas_address - expander device search
- * @ioc: per adapter object
- * @sas_address: sas address
- * Context: Calling function should acquire ioc->sas_node_lock.
- *
- * This searches for expander device based on sas_address, then returns the
- * sas_node object.
- */
-struct _sas_node *
-mpt2sas_scsih_expander_find_by_sas_address(struct MPT2SAS_ADAPTER *ioc,
- u64 sas_address)
-{
- struct _sas_node *sas_expander, *r;
-
- r = NULL;
- list_for_each_entry(sas_expander, &ioc->sas_expander_list, list) {
- if (sas_expander->sas_address != sas_address)
- continue;
- r = sas_expander;
- goto out;
- }
- out:
- return r;
-}
-
-/**
- * _scsih_expander_node_add - insert expander device to the list.
- * @ioc: per adapter object
- * @sas_expander: the sas_device object
- * Context: This function will acquire ioc->sas_node_lock.
- *
- * Adding new object to the ioc->sas_expander_list.
- *
- * Return nothing.
- */
-static void
-_scsih_expander_node_add(struct MPT2SAS_ADAPTER *ioc,
- struct _sas_node *sas_expander)
-{
- unsigned long flags;
-
- spin_lock_irqsave(&ioc->sas_node_lock, flags);
- list_add_tail(&sas_expander->list, &ioc->sas_expander_list);
- spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
-}
-
-/**
- * _scsih_is_end_device - determines if device is an end device
- * @device_info: bitfield providing information about the device.
- * Context: none
- *
- * Returns 1 if end device.
- */
-static int
-_scsih_is_end_device(u32 device_info)
-{
- if (device_info & MPI2_SAS_DEVICE_INFO_END_DEVICE &&
- ((device_info & MPI2_SAS_DEVICE_INFO_SSP_TARGET) |
- (device_info & MPI2_SAS_DEVICE_INFO_STP_TARGET) |
- (device_info & MPI2_SAS_DEVICE_INFO_SATA_DEVICE)))
- return 1;
- else
- return 0;
-}
-
-/**
- * _scsih_scsi_lookup_get - returns scmd entry
- * @ioc: per adapter object
- * @smid: system request message index
- *
- * Returns the smid stored scmd pointer.
- */
-static struct scsi_cmnd *
-_scsih_scsi_lookup_get(struct MPT2SAS_ADAPTER *ioc, u16 smid)
-{
- return ioc->scsi_lookup[smid - 1].scmd;
-}
-
-/**
- * _scsih_scsi_lookup_get_clear - returns scmd entry
- * @ioc: per adapter object
- * @smid: system request message index
- *
- * Returns the smid stored scmd pointer.
- * Then will derefrence the stored scmd pointer.
- */
-static inline struct scsi_cmnd *
-_scsih_scsi_lookup_get_clear(struct MPT2SAS_ADAPTER *ioc, u16 smid)
-{
- unsigned long flags;
- struct scsi_cmnd *scmd;
-
- spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
- scmd = ioc->scsi_lookup[smid - 1].scmd;
- ioc->scsi_lookup[smid - 1].scmd = NULL;
- spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
-
- return scmd;
-}
-
-/**
- * _scsih_scsi_lookup_find_by_scmd - scmd lookup
- * @ioc: per adapter object
- * @smid: system request message index
- * @scmd: pointer to scsi command object
- * Context: This function will acquire ioc->scsi_lookup_lock.
- *
- * This will search for a scmd pointer in the scsi_lookup array,
- * returning the revelent smid. A returned value of zero means invalid.
- */
-static u16
-_scsih_scsi_lookup_find_by_scmd(struct MPT2SAS_ADAPTER *ioc, struct scsi_cmnd
- *scmd)
-{
- u16 smid;
- unsigned long flags;
- int i;
-
- spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
- smid = 0;
- for (i = 0; i < ioc->scsiio_depth; i++) {
- if (ioc->scsi_lookup[i].scmd == scmd) {
- smid = ioc->scsi_lookup[i].smid;
- goto out;
- }
- }
- out:
- spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
- return smid;
-}
-
-/**
- * _scsih_scsi_lookup_find_by_target - search for matching channel:id
- * @ioc: per adapter object
- * @id: target id
- * @channel: channel
- * Context: This function will acquire ioc->scsi_lookup_lock.
- *
- * This will search for a matching channel:id in the scsi_lookup array,
- * returning 1 if found.
- */
-static u8
-_scsih_scsi_lookup_find_by_target(struct MPT2SAS_ADAPTER *ioc, int id,
- int channel)
-{
- u8 found;
- unsigned long flags;
- int i;
-
- spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
- found = 0;
- for (i = 0 ; i < ioc->scsiio_depth; i++) {
- if (ioc->scsi_lookup[i].scmd &&
- (ioc->scsi_lookup[i].scmd->device->id == id &&
- ioc->scsi_lookup[i].scmd->device->channel == channel)) {
- found = 1;
- goto out;
- }
- }
- out:
- spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
- return found;
-}
-
-/**
- * _scsih_scsi_lookup_find_by_lun - search for matching channel:id:lun
- * @ioc: per adapter object
- * @id: target id
- * @lun: lun number
- * @channel: channel
- * Context: This function will acquire ioc->scsi_lookup_lock.
- *
- * This will search for a matching channel:id:lun in the scsi_lookup array,
- * returning 1 if found.
- */
-static u8
-_scsih_scsi_lookup_find_by_lun(struct MPT2SAS_ADAPTER *ioc, int id,
- unsigned int lun, int channel)
-{
- u8 found;
- unsigned long flags;
- int i;
-
- spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
- found = 0;
- for (i = 0 ; i < ioc->scsiio_depth; i++) {
- if (ioc->scsi_lookup[i].scmd &&
- (ioc->scsi_lookup[i].scmd->device->id == id &&
- ioc->scsi_lookup[i].scmd->device->channel == channel &&
- ioc->scsi_lookup[i].scmd->device->lun == lun)) {
- found = 1;
- goto out;
- }
- }
- out:
- spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
- return found;
-}
-
-/**
- * _scsih_get_chain_buffer_tracker - obtain chain tracker
- * @ioc: per adapter object
- * @smid: smid associated to an IO request
- *
- * Returns chain tracker(from ioc->free_chain_list)
- */
-static struct chain_tracker *
-_scsih_get_chain_buffer_tracker(struct MPT2SAS_ADAPTER *ioc, u16 smid)
-{
- struct chain_tracker *chain_req;
- unsigned long flags;
-
- spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
- if (list_empty(&ioc->free_chain_list)) {
- spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
- dfailprintk(ioc, printk(MPT2SAS_WARN_FMT "chain buffers not "
- "available\n", ioc->name));
- return NULL;
- }
- chain_req = list_entry(ioc->free_chain_list.next,
- struct chain_tracker, tracker_list);
- list_del_init(&chain_req->tracker_list);
- list_add_tail(&chain_req->tracker_list,
- &ioc->scsi_lookup[smid - 1].chain_list);
- spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
- return chain_req;
-}
-
-/**
- * _scsih_build_scatter_gather - main sg creation routine
- * @ioc: per adapter object
- * @scmd: scsi command
- * @smid: system request message index
- * Context: none.
- *
- * The main routine that builds scatter gather table from a given
- * scsi request sent via the .queuecommand main handler.
- *
- * Returns 0 success, anything else error
- */
-static int
-_scsih_build_scatter_gather(struct MPT2SAS_ADAPTER *ioc,
- struct scsi_cmnd *scmd, u16 smid)
-{
- Mpi2SCSIIORequest_t *mpi_request;
- dma_addr_t chain_dma;
- struct scatterlist *sg_scmd;
- void *sg_local, *chain;
- u32 chain_offset;
- u32 chain_length;
- u32 chain_flags;
- int sges_left;
- u32 sges_in_segment;
- u32 sgl_flags;
- u32 sgl_flags_last_element;
- u32 sgl_flags_end_buffer;
- struct chain_tracker *chain_req;
-
- mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
-
- /* init scatter gather flags */
- sgl_flags = MPI2_SGE_FLAGS_SIMPLE_ELEMENT;
- if (scmd->sc_data_direction == DMA_TO_DEVICE)
- sgl_flags |= MPI2_SGE_FLAGS_HOST_TO_IOC;
- sgl_flags_last_element = (sgl_flags | MPI2_SGE_FLAGS_LAST_ELEMENT)
- << MPI2_SGE_FLAGS_SHIFT;
- sgl_flags_end_buffer = (sgl_flags | MPI2_SGE_FLAGS_LAST_ELEMENT |
- MPI2_SGE_FLAGS_END_OF_BUFFER | MPI2_SGE_FLAGS_END_OF_LIST)
- << MPI2_SGE_FLAGS_SHIFT;
- sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT;
-
- sg_scmd = scsi_sglist(scmd);
- sges_left = scsi_dma_map(scmd);
- if (sges_left < 0) {
- sdev_printk(KERN_ERR, scmd->device, "pci_map_sg"
- " failed: request for %d bytes!\n", scsi_bufflen(scmd));
- return -ENOMEM;
- }
-
- sg_local = &mpi_request->SGL;
- sges_in_segment = ioc->max_sges_in_main_message;
- if (sges_left <= sges_in_segment)
- goto fill_in_last_segment;
-
- mpi_request->ChainOffset = (offsetof(Mpi2SCSIIORequest_t, SGL) +
- (sges_in_segment * ioc->sge_size))/4;
-
- /* fill in main message segment when there is a chain following */
- while (sges_in_segment) {
- if (sges_in_segment == 1)
- ioc->base_add_sg_single(sg_local,
- sgl_flags_last_element | sg_dma_len(sg_scmd),
- sg_dma_address(sg_scmd));
- else
- ioc->base_add_sg_single(sg_local, sgl_flags |
- sg_dma_len(sg_scmd), sg_dma_address(sg_scmd));
- sg_scmd = sg_next(sg_scmd);
- sg_local += ioc->sge_size;
- sges_left--;
- sges_in_segment--;
- }
-
- /* initializing the chain flags and pointers */
- chain_flags = MPI2_SGE_FLAGS_CHAIN_ELEMENT << MPI2_SGE_FLAGS_SHIFT;
- chain_req = _scsih_get_chain_buffer_tracker(ioc, smid);
- if (!chain_req)
- return -1;
- chain = chain_req->chain_buffer;
- chain_dma = chain_req->chain_buffer_dma;
- do {
- sges_in_segment = (sges_left <=
- ioc->max_sges_in_chain_message) ? sges_left :
- ioc->max_sges_in_chain_message;
- chain_offset = (sges_left == sges_in_segment) ?
- 0 : (sges_in_segment * ioc->sge_size)/4;
- chain_length = sges_in_segment * ioc->sge_size;
- if (chain_offset) {
- chain_offset = chain_offset <<
- MPI2_SGE_CHAIN_OFFSET_SHIFT;
- chain_length += ioc->sge_size;
- }
- ioc->base_add_sg_single(sg_local, chain_flags | chain_offset |
- chain_length, chain_dma);
- sg_local = chain;
- if (!chain_offset)
- goto fill_in_last_segment;
-
- /* fill in chain segments */
- while (sges_in_segment) {
- if (sges_in_segment == 1)
- ioc->base_add_sg_single(sg_local,
- sgl_flags_last_element |
- sg_dma_len(sg_scmd),
- sg_dma_address(sg_scmd));
- else
- ioc->base_add_sg_single(sg_local, sgl_flags |
- sg_dma_len(sg_scmd),
- sg_dma_address(sg_scmd));
- sg_scmd = sg_next(sg_scmd);
- sg_local += ioc->sge_size;
- sges_left--;
- sges_in_segment--;
- }
-
- chain_req = _scsih_get_chain_buffer_tracker(ioc, smid);
- if (!chain_req)
- return -1;
- chain = chain_req->chain_buffer;
- chain_dma = chain_req->chain_buffer_dma;
- } while (1);
-
-
- fill_in_last_segment:
-
- /* fill the last segment */
- while (sges_left) {
- if (sges_left == 1)
- ioc->base_add_sg_single(sg_local, sgl_flags_end_buffer |
- sg_dma_len(sg_scmd), sg_dma_address(sg_scmd));
- else
- ioc->base_add_sg_single(sg_local, sgl_flags |
- sg_dma_len(sg_scmd), sg_dma_address(sg_scmd));
- sg_scmd = sg_next(sg_scmd);
- sg_local += ioc->sge_size;
- sges_left--;
- }
-
- return 0;
-}
-
-/**
- * _scsih_change_queue_depth - setting device queue depth
- * @sdev: scsi device struct
- * @qdepth: requested queue depth
- *
- * Returns queue depth.
- */
-static int
-_scsih_change_queue_depth(struct scsi_device *sdev, int qdepth)
-{
- struct Scsi_Host *shost = sdev->host;
- int max_depth;
- struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
- struct MPT2SAS_DEVICE *sas_device_priv_data;
- struct MPT2SAS_TARGET *sas_target_priv_data;
- struct _sas_device *sas_device;
- unsigned long flags;
-
- max_depth = shost->can_queue;
-
- /* limit max device queue for SATA to 32 */
- sas_device_priv_data = sdev->hostdata;
- if (!sas_device_priv_data)
- goto not_sata;
- sas_target_priv_data = sas_device_priv_data->sas_target;
- if (!sas_target_priv_data)
- goto not_sata;
- if ((sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME))
- goto not_sata;
- spin_lock_irqsave(&ioc->sas_device_lock, flags);
- sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc,
- sas_device_priv_data->sas_target->sas_address);
- if (sas_device && sas_device->device_info &
- MPI2_SAS_DEVICE_INFO_SATA_DEVICE)
- max_depth = MPT2SAS_SATA_QUEUE_DEPTH;
- spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
-
- not_sata:
- if (!sdev->tagged_supported)
- max_depth = 1;
- if (qdepth > max_depth)
- qdepth = max_depth;
- return scsi_change_queue_depth(sdev, qdepth);
-}
-
-/**
- * _scsih_target_alloc - target add routine
- * @starget: scsi target struct
- *
- * Returns 0 if ok. Any other return is assumed to be an error and
- * the device is ignored.
- */
-static int
-_scsih_target_alloc(struct scsi_target *starget)
-{
- struct Scsi_Host *shost = dev_to_shost(&starget->dev);
- struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
- struct MPT2SAS_TARGET *sas_target_priv_data;
- struct _sas_device *sas_device;
- struct _raid_device *raid_device;
- unsigned long flags;
- struct sas_rphy *rphy;
-
- sas_target_priv_data = kzalloc(sizeof(*sas_target_priv_data),
- GFP_KERNEL);
- if (!sas_target_priv_data)
- return -ENOMEM;
-
- starget->hostdata = sas_target_priv_data;
- sas_target_priv_data->starget = starget;
- sas_target_priv_data->handle = MPT2SAS_INVALID_DEVICE_HANDLE;
-
- /* RAID volumes */
- if (starget->channel == RAID_CHANNEL) {
- spin_lock_irqsave(&ioc->raid_device_lock, flags);
- raid_device = _scsih_raid_device_find_by_id(ioc, starget->id,
- starget->channel);
- if (raid_device) {
- sas_target_priv_data->handle = raid_device->handle;
- sas_target_priv_data->sas_address = raid_device->wwid;
- sas_target_priv_data->flags |= MPT_TARGET_FLAGS_VOLUME;
- if (ioc->is_warpdrive)
- sas_target_priv_data->raid_device = raid_device;
- raid_device->starget = starget;
- }
- spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
- return 0;
- }
-
- /* sas/sata devices */
- spin_lock_irqsave(&ioc->sas_device_lock, flags);
- rphy = dev_to_rphy(starget->dev.parent);
- sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc,
- rphy->identify.sas_address);
-
- if (sas_device) {
- sas_target_priv_data->handle = sas_device->handle;
- sas_target_priv_data->sas_address = sas_device->sas_address;
- sas_device->starget = starget;
- sas_device->id = starget->id;
- sas_device->channel = starget->channel;
- if (test_bit(sas_device->handle, ioc->pd_handles))
- sas_target_priv_data->flags |=
- MPT_TARGET_FLAGS_RAID_COMPONENT;
- }
- spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
-
- return 0;
-}
-
-/**
- * _scsih_target_destroy - target destroy routine
- * @starget: scsi target struct
- *
- * Returns nothing.
- */
-static void
-_scsih_target_destroy(struct scsi_target *starget)
-{
- struct Scsi_Host *shost = dev_to_shost(&starget->dev);
- struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
- struct MPT2SAS_TARGET *sas_target_priv_data;
- struct _sas_device *sas_device;
- struct _raid_device *raid_device;
- unsigned long flags;
- struct sas_rphy *rphy;
-
- sas_target_priv_data = starget->hostdata;
- if (!sas_target_priv_data)
- return;
-
- if (starget->channel == RAID_CHANNEL) {
- spin_lock_irqsave(&ioc->raid_device_lock, flags);
- raid_device = _scsih_raid_device_find_by_id(ioc, starget->id,
- starget->channel);
- if (raid_device) {
- raid_device->starget = NULL;
- raid_device->sdev = NULL;
- }
- spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
- goto out;
- }
-
- spin_lock_irqsave(&ioc->sas_device_lock, flags);
- rphy = dev_to_rphy(starget->dev.parent);
- sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc,
- rphy->identify.sas_address);
- if (sas_device && (sas_device->starget == starget) &&
- (sas_device->id == starget->id) &&
- (sas_device->channel == starget->channel))
- sas_device->starget = NULL;
-
- spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
-
- out:
- kfree(sas_target_priv_data);
- starget->hostdata = NULL;
-}
-
-/**
- * _scsih_slave_alloc - device add routine
- * @sdev: scsi device struct
- *
- * Returns 0 if ok. Any other return is assumed to be an error and
- * the device is ignored.
- */
-static int
-_scsih_slave_alloc(struct scsi_device *sdev)
-{
- struct Scsi_Host *shost;
- struct MPT2SAS_ADAPTER *ioc;
- struct MPT2SAS_TARGET *sas_target_priv_data;
- struct MPT2SAS_DEVICE *sas_device_priv_data;
- struct scsi_target *starget;
- struct _raid_device *raid_device;
- struct _sas_device *sas_device;
- unsigned long flags;
-
- sas_device_priv_data = kzalloc(sizeof(*sas_device_priv_data),
- GFP_KERNEL);
- if (!sas_device_priv_data)
- return -ENOMEM;
-
- sas_device_priv_data->lun = sdev->lun;
- sas_device_priv_data->flags = MPT_DEVICE_FLAGS_INIT;
-
- starget = scsi_target(sdev);
- sas_target_priv_data = starget->hostdata;
- sas_target_priv_data->num_luns++;
- sas_device_priv_data->sas_target = sas_target_priv_data;
- sdev->hostdata = sas_device_priv_data;
- if ((sas_target_priv_data->flags & MPT_TARGET_FLAGS_RAID_COMPONENT))
- sdev->no_uld_attach = 1;
-
- shost = dev_to_shost(&starget->dev);
- ioc = shost_priv(shost);
- if (starget->channel == RAID_CHANNEL) {
- spin_lock_irqsave(&ioc->raid_device_lock, flags);
- raid_device = _scsih_raid_device_find_by_id(ioc,
- starget->id, starget->channel);
- if (raid_device)
- raid_device->sdev = sdev; /* raid is single lun */
- spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
- }
-
- if (!(sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME)) {
- spin_lock_irqsave(&ioc->sas_device_lock, flags);
- sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc,
- sas_target_priv_data->sas_address);
- if (sas_device && (sas_device->starget == NULL)) {
- sdev_printk(KERN_INFO, sdev,
- "%s : sas_device->starget set to starget @ %d\n",
- __func__, __LINE__);
- sas_device->starget = starget;
- }
- spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
- }
-
- return 0;
-}
-
-/**
- * _scsih_slave_destroy - device destroy routine
- * @sdev: scsi device struct
- *
- * Returns nothing.
- */
-static void
-_scsih_slave_destroy(struct scsi_device *sdev)
-{
- struct MPT2SAS_TARGET *sas_target_priv_data;
- struct scsi_target *starget;
- struct Scsi_Host *shost;
- struct MPT2SAS_ADAPTER *ioc;
- struct _sas_device *sas_device;
- unsigned long flags;
-
- if (!sdev->hostdata)
- return;
-
- starget = scsi_target(sdev);
- sas_target_priv_data = starget->hostdata;
- sas_target_priv_data->num_luns--;
-
- shost = dev_to_shost(&starget->dev);
- ioc = shost_priv(shost);
-
- if (!(sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME)) {
- spin_lock_irqsave(&ioc->sas_device_lock, flags);
- sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc,
- sas_target_priv_data->sas_address);
- if (sas_device && !sas_target_priv_data->num_luns)
- sas_device->starget = NULL;
- spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
- }
-
- kfree(sdev->hostdata);
- sdev->hostdata = NULL;
-}
-
-/**
- * _scsih_display_sata_capabilities - sata capabilities
- * @ioc: per adapter object
- * @handle: device handle
- * @sdev: scsi device struct
- */
-static void
-_scsih_display_sata_capabilities(struct MPT2SAS_ADAPTER *ioc,
- u16 handle, struct scsi_device *sdev)
-{
- Mpi2ConfigReply_t mpi_reply;
- Mpi2SasDevicePage0_t sas_device_pg0;
- u32 ioc_status;
- u16 flags;
- u32 device_info;
-
- if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0,
- MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- return;
- }
-
- ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
- MPI2_IOCSTATUS_MASK;
- if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- return;
- }
-
- flags = le16_to_cpu(sas_device_pg0.Flags);
- device_info = le32_to_cpu(sas_device_pg0.DeviceInfo);
-
- sdev_printk(KERN_INFO, sdev,
- "atapi(%s), ncq(%s), asyn_notify(%s), smart(%s), fua(%s), "
- "sw_preserve(%s)\n",
- (device_info & MPI2_SAS_DEVICE_INFO_ATAPI_DEVICE) ? "y" : "n",
- (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_NCQ_SUPPORTED) ? "y" : "n",
- (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_ASYNCHRONOUS_NOTIFY) ? "y" :
- "n",
- (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_SMART_SUPPORTED) ? "y" : "n",
- (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_FUA_SUPPORTED) ? "y" : "n",
- (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_SW_PRESERVE) ? "y" : "n");
-}
-
-/**
- * _scsih_is_raid - return boolean indicating device is raid volume
- * @dev the device struct object
- */
-static int
-_scsih_is_raid(struct device *dev)
-{
- struct scsi_device *sdev = to_scsi_device(dev);
- struct MPT2SAS_ADAPTER *ioc = shost_priv(sdev->host);
-
- if (ioc->is_warpdrive)
- return 0;
- return (sdev->channel == RAID_CHANNEL) ? 1 : 0;
-}
-
-/**
- * _scsih_get_resync - get raid volume resync percent complete
- * @dev the device struct object
- */
-static void
-_scsih_get_resync(struct device *dev)
-{
- struct scsi_device *sdev = to_scsi_device(dev);
- struct MPT2SAS_ADAPTER *ioc = shost_priv(sdev->host);
- static struct _raid_device *raid_device;
- unsigned long flags;
- Mpi2RaidVolPage0_t vol_pg0;
- Mpi2ConfigReply_t mpi_reply;
- u32 volume_status_flags;
- u8 percent_complete;
- u16 handle;
-
- percent_complete = 0;
- handle = 0;
- if (ioc->is_warpdrive)
- goto out;
-
- spin_lock_irqsave(&ioc->raid_device_lock, flags);
- raid_device = _scsih_raid_device_find_by_id(ioc, sdev->id,
- sdev->channel);
- if (raid_device) {
- handle = raid_device->handle;
- percent_complete = raid_device->percent_complete;
- }
- spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
-
- if (!handle)
- goto out;
-
- if (mpt2sas_config_get_raid_volume_pg0(ioc, &mpi_reply, &vol_pg0,
- MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, handle,
- sizeof(Mpi2RaidVolPage0_t))) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- percent_complete = 0;
- goto out;
- }
-
- volume_status_flags = le32_to_cpu(vol_pg0.VolumeStatusFlags);
- if (!(volume_status_flags &
- MPI2_RAIDVOL0_STATUS_FLAG_RESYNC_IN_PROGRESS))
- percent_complete = 0;
-
- out:
- raid_set_resync(mpt2sas_raid_template, dev, percent_complete);
-}
-
-/**
- * _scsih_get_state - get raid volume level
- * @dev the device struct object
- */
-static void
-_scsih_get_state(struct device *dev)
-{
- struct scsi_device *sdev = to_scsi_device(dev);
- struct MPT2SAS_ADAPTER *ioc = shost_priv(sdev->host);
- static struct _raid_device *raid_device;
- unsigned long flags;
- Mpi2RaidVolPage0_t vol_pg0;
- Mpi2ConfigReply_t mpi_reply;
- u32 volstate;
- enum raid_state state = RAID_STATE_UNKNOWN;
- u16 handle = 0;
-
- spin_lock_irqsave(&ioc->raid_device_lock, flags);
- raid_device = _scsih_raid_device_find_by_id(ioc, sdev->id,
- sdev->channel);
- if (raid_device)
- handle = raid_device->handle;
- spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
-
- if (!raid_device)
- goto out;
-
- if (mpt2sas_config_get_raid_volume_pg0(ioc, &mpi_reply, &vol_pg0,
- MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, handle,
- sizeof(Mpi2RaidVolPage0_t))) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- goto out;
- }
-
- volstate = le32_to_cpu(vol_pg0.VolumeStatusFlags);
- if (volstate & MPI2_RAIDVOL0_STATUS_FLAG_RESYNC_IN_PROGRESS) {
- state = RAID_STATE_RESYNCING;
- goto out;
- }
-
- switch (vol_pg0.VolumeState) {
- case MPI2_RAID_VOL_STATE_OPTIMAL:
- case MPI2_RAID_VOL_STATE_ONLINE:
- state = RAID_STATE_ACTIVE;
- break;
- case MPI2_RAID_VOL_STATE_DEGRADED:
- state = RAID_STATE_DEGRADED;
- break;
- case MPI2_RAID_VOL_STATE_FAILED:
- case MPI2_RAID_VOL_STATE_MISSING:
- state = RAID_STATE_OFFLINE;
- break;
- }
- out:
- raid_set_state(mpt2sas_raid_template, dev, state);
-}
-
-/**
- * _scsih_set_level - set raid level
- * @sdev: scsi device struct
- * @volume_type: volume type
- */
-static void
-_scsih_set_level(struct scsi_device *sdev, u8 volume_type)
-{
- enum raid_level level = RAID_LEVEL_UNKNOWN;
-
- switch (volume_type) {
- case MPI2_RAID_VOL_TYPE_RAID0:
- level = RAID_LEVEL_0;
- break;
- case MPI2_RAID_VOL_TYPE_RAID10:
- level = RAID_LEVEL_10;
- break;
- case MPI2_RAID_VOL_TYPE_RAID1E:
- level = RAID_LEVEL_1E;
- break;
- case MPI2_RAID_VOL_TYPE_RAID1:
- level = RAID_LEVEL_1;
- break;
- }
-
- raid_set_level(mpt2sas_raid_template, &sdev->sdev_gendev, level);
-}
-
-/**
- * _scsih_get_volume_capabilities - volume capabilities
- * @ioc: per adapter object
- * @sas_device: the raid_device object
- *
- * Returns 0 for success, else 1
- */
-static int
-_scsih_get_volume_capabilities(struct MPT2SAS_ADAPTER *ioc,
- struct _raid_device *raid_device)
-{
- Mpi2RaidVolPage0_t *vol_pg0;
- Mpi2RaidPhysDiskPage0_t pd_pg0;
- Mpi2SasDevicePage0_t sas_device_pg0;
- Mpi2ConfigReply_t mpi_reply;
- u16 sz;
- u8 num_pds;
-
- if ((mpt2sas_config_get_number_pds(ioc, raid_device->handle,
- &num_pds)) || !num_pds) {
- dfailprintk(ioc, printk(MPT2SAS_WARN_FMT
- "failure at %s:%d/%s()!\n", ioc->name, __FILE__, __LINE__,
- __func__));
- return 1;
- }
-
- raid_device->num_pds = num_pds;
- sz = offsetof(Mpi2RaidVolPage0_t, PhysDisk) + (num_pds *
- sizeof(Mpi2RaidVol0PhysDisk_t));
- vol_pg0 = kzalloc(sz, GFP_KERNEL);
- if (!vol_pg0) {
- dfailprintk(ioc, printk(MPT2SAS_WARN_FMT
- "failure at %s:%d/%s()!\n", ioc->name, __FILE__, __LINE__,
- __func__));
- return 1;
- }
-
- if ((mpt2sas_config_get_raid_volume_pg0(ioc, &mpi_reply, vol_pg0,
- MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, raid_device->handle, sz))) {
- dfailprintk(ioc, printk(MPT2SAS_WARN_FMT
- "failure at %s:%d/%s()!\n", ioc->name, __FILE__, __LINE__,
- __func__));
- kfree(vol_pg0);
- return 1;
- }
-
- raid_device->volume_type = vol_pg0->VolumeType;
-
- /* figure out what the underlying devices are by
- * obtaining the device_info bits for the 1st device
- */
- if (!(mpt2sas_config_get_phys_disk_pg0(ioc, &mpi_reply,
- &pd_pg0, MPI2_PHYSDISK_PGAD_FORM_PHYSDISKNUM,
- vol_pg0->PhysDisk[0].PhysDiskNum))) {
- if (!(mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply,
- &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE,
- le16_to_cpu(pd_pg0.DevHandle)))) {
- raid_device->device_info =
- le32_to_cpu(sas_device_pg0.DeviceInfo);
- }
- }
-
- kfree(vol_pg0);
- return 0;
-}
-/**
- * _scsih_disable_ddio - Disable direct I/O for all the volumes
- * @ioc: per adapter object
- */
-static void
-_scsih_disable_ddio(struct MPT2SAS_ADAPTER *ioc)
-{
- Mpi2RaidVolPage1_t vol_pg1;
- Mpi2ConfigReply_t mpi_reply;
- struct _raid_device *raid_device;
- u16 handle;
- u16 ioc_status;
- unsigned long flags;
-
- handle = 0xFFFF;
- while (!(mpt2sas_config_get_raid_volume_pg1(ioc, &mpi_reply,
- &vol_pg1, MPI2_RAID_VOLUME_PGAD_FORM_GET_NEXT_HANDLE, handle))) {
- ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
- MPI2_IOCSTATUS_MASK;
- if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE)
- break;
- handle = le16_to_cpu(vol_pg1.DevHandle);
- spin_lock_irqsave(&ioc->raid_device_lock, flags);
- raid_device = _scsih_raid_device_find_by_handle(ioc, handle);
- if (raid_device)
- raid_device->direct_io_enabled = 0;
- spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
- }
- return;
-}
-
-
-/**
- * _scsih_get_num_volumes - Get number of volumes in the ioc
- * @ioc: per adapter object
- */
-static u8
-_scsih_get_num_volumes(struct MPT2SAS_ADAPTER *ioc)
-{
- Mpi2RaidVolPage1_t vol_pg1;
- Mpi2ConfigReply_t mpi_reply;
- u16 handle;
- u8 vol_cnt = 0;
- u16 ioc_status;
-
- handle = 0xFFFF;
- while (!(mpt2sas_config_get_raid_volume_pg1(ioc, &mpi_reply,
- &vol_pg1, MPI2_RAID_VOLUME_PGAD_FORM_GET_NEXT_HANDLE, handle))) {
- ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
- MPI2_IOCSTATUS_MASK;
- if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE)
- break;
- vol_cnt++;
- handle = le16_to_cpu(vol_pg1.DevHandle);
- }
- return vol_cnt;
-}
-
-
-/**
- * _scsih_init_warpdrive_properties - Set properties for warpdrive direct I/O.
- * @ioc: per adapter object
- * @raid_device: the raid_device object
- */
-static void
-_scsih_init_warpdrive_properties(struct MPT2SAS_ADAPTER *ioc,
- struct _raid_device *raid_device)
-{
- Mpi2RaidVolPage0_t *vol_pg0;
- Mpi2RaidPhysDiskPage0_t pd_pg0;
- Mpi2ConfigReply_t mpi_reply;
- u16 sz;
- u8 num_pds, count;
- unsigned long stripe_sz, block_sz;
- u8 stripe_exp, block_exp;
- u64 dev_max_lba;
-
- if (!ioc->is_warpdrive)
- return;
-
- if (ioc->mfg_pg10_hide_flag == MFG_PAGE10_EXPOSE_ALL_DISKS) {
- printk(MPT2SAS_INFO_FMT "WarpDrive : Direct IO is disabled "
- "globally as drives are exposed\n", ioc->name);
- return;
- }
- if (_scsih_get_num_volumes(ioc) > 1) {
- _scsih_disable_ddio(ioc);
- printk(MPT2SAS_INFO_FMT "WarpDrive : Direct IO is disabled "
- "globally as number of drives > 1\n", ioc->name);
- return;
- }
- if ((mpt2sas_config_get_number_pds(ioc, raid_device->handle,
- &num_pds)) || !num_pds) {
- printk(MPT2SAS_INFO_FMT "WarpDrive : Direct IO is disabled "
- "Failure in computing number of drives\n", ioc->name);
- return;
- }
-
- sz = offsetof(Mpi2RaidVolPage0_t, PhysDisk) + (num_pds *
- sizeof(Mpi2RaidVol0PhysDisk_t));
- vol_pg0 = kzalloc(sz, GFP_KERNEL);
- if (!vol_pg0) {
- printk(MPT2SAS_INFO_FMT "WarpDrive : Direct IO is disabled "
- "Memory allocation failure for RVPG0\n", ioc->name);
- return;
- }
-
- if ((mpt2sas_config_get_raid_volume_pg0(ioc, &mpi_reply, vol_pg0,
- MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, raid_device->handle, sz))) {
- printk(MPT2SAS_INFO_FMT "WarpDrive : Direct IO is disabled "
- "Failure in retrieving RVPG0\n", ioc->name);
- kfree(vol_pg0);
- return;
- }
-
- /*
- * WARPDRIVE:If number of physical disks in a volume exceeds the max pds
- * assumed for WARPDRIVE, disable direct I/O
- */
- if (num_pds > MPT_MAX_WARPDRIVE_PDS) {
- printk(MPT2SAS_WARN_FMT "WarpDrive : Direct IO is disabled "
- "for the drive with handle(0x%04x): num_mem=%d, "
- "max_mem_allowed=%d\n", ioc->name, raid_device->handle,
- num_pds, MPT_MAX_WARPDRIVE_PDS);
- kfree(vol_pg0);
- return;
- }
- for (count = 0; count < num_pds; count++) {
- if (mpt2sas_config_get_phys_disk_pg0(ioc, &mpi_reply,
- &pd_pg0, MPI2_PHYSDISK_PGAD_FORM_PHYSDISKNUM,
- vol_pg0->PhysDisk[count].PhysDiskNum) ||
- le16_to_cpu(pd_pg0.DevHandle) ==
- MPT2SAS_INVALID_DEVICE_HANDLE) {
- printk(MPT2SAS_INFO_FMT "WarpDrive : Direct IO is "
- "disabled for the drive with handle(0x%04x) member"
- "handle retrieval failed for member number=%d\n",
- ioc->name, raid_device->handle,
- vol_pg0->PhysDisk[count].PhysDiskNum);
- goto out_error;
- }
- /* Disable direct I/O if member drive lba exceeds 4 bytes */
- dev_max_lba = le64_to_cpu(pd_pg0.DeviceMaxLBA);
- if (dev_max_lba >> 32) {
- printk(MPT2SAS_INFO_FMT "WarpDrive : Direct IO is "
- "disabled for the drive with handle(0x%04x) member"
- "handle (0x%04x) unsupported max lba 0x%016llx\n",
- ioc->name, raid_device->handle,
- le16_to_cpu(pd_pg0.DevHandle),
- (unsigned long long)dev_max_lba);
- goto out_error;
- }
-
- raid_device->pd_handle[count] = le16_to_cpu(pd_pg0.DevHandle);
- }
-
- /*
- * Assumption for WD: Direct I/O is not supported if the volume is
- * not RAID0
- */
- if (raid_device->volume_type != MPI2_RAID_VOL_TYPE_RAID0) {
- printk(MPT2SAS_INFO_FMT "WarpDrive : Direct IO is disabled "
- "for the drive with handle(0x%04x): type=%d, "
- "s_sz=%uK, blk_size=%u\n", ioc->name,
- raid_device->handle, raid_device->volume_type,
- (le32_to_cpu(vol_pg0->StripeSize) *
- le16_to_cpu(vol_pg0->BlockSize)) / 1024,
- le16_to_cpu(vol_pg0->BlockSize));
- goto out_error;
- }
-
- stripe_sz = le32_to_cpu(vol_pg0->StripeSize);
- stripe_exp = find_first_bit(&stripe_sz, 32);
- if (stripe_exp == 32) {
- printk(MPT2SAS_INFO_FMT "WarpDrive : Direct IO is disabled "
- "for the drive with handle(0x%04x) invalid stripe sz %uK\n",
- ioc->name, raid_device->handle,
- (le32_to_cpu(vol_pg0->StripeSize) *
- le16_to_cpu(vol_pg0->BlockSize)) / 1024);
- goto out_error;
- }
- raid_device->stripe_exponent = stripe_exp;
- block_sz = le16_to_cpu(vol_pg0->BlockSize);
- block_exp = find_first_bit(&block_sz, 16);
- if (block_exp == 16) {
- printk(MPT2SAS_INFO_FMT "WarpDrive : Direct IO is disabled "
- "for the drive with handle(0x%04x) invalid block sz %u\n",
- ioc->name, raid_device->handle,
- le16_to_cpu(vol_pg0->BlockSize));
- goto out_error;
- }
- raid_device->block_exponent = block_exp;
- raid_device->direct_io_enabled = 1;
-
- printk(MPT2SAS_INFO_FMT "WarpDrive : Direct IO is Enabled for the drive"
- " with handle(0x%04x)\n", ioc->name, raid_device->handle);
- /*
- * WARPDRIVE: Though the following fields are not used for direct IO,
- * stored for future purpose:
- */
- raid_device->max_lba = le64_to_cpu(vol_pg0->MaxLBA);
- raid_device->stripe_sz = le32_to_cpu(vol_pg0->StripeSize);
- raid_device->block_sz = le16_to_cpu(vol_pg0->BlockSize);
-
-
- kfree(vol_pg0);
- return;
-
-out_error:
- raid_device->direct_io_enabled = 0;
- for (count = 0; count < num_pds; count++)
- raid_device->pd_handle[count] = 0;
- kfree(vol_pg0);
- return;
-}
-
-/**
- * _scsih_enable_tlr - setting TLR flags
- * @ioc: per adapter object
- * @sdev: scsi device struct
- *
- * Enabling Transaction Layer Retries for tape devices when
- * vpd page 0x90 is present
- *
- */
-static void
-_scsih_enable_tlr(struct MPT2SAS_ADAPTER *ioc, struct scsi_device *sdev)
-{
- /* only for TAPE */
- if (sdev->type != TYPE_TAPE)
- return;
-
- if (!(ioc->facts.IOCCapabilities & MPI2_IOCFACTS_CAPABILITY_TLR))
- return;
-
- sas_enable_tlr(sdev);
- sdev_printk(KERN_INFO, sdev, "TLR %s\n",
- sas_is_tlr_enabled(sdev) ? "Enabled" : "Disabled");
- return;
-
-}
-
-/**
- * _scsih_slave_configure - device configure routine.
- * @sdev: scsi device struct
- *
- * Returns 0 if ok. Any other return is assumed to be an error and
- * the device is ignored.
- */
-static int
-_scsih_slave_configure(struct scsi_device *sdev)
-{
- struct Scsi_Host *shost = sdev->host;
- struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
- struct MPT2SAS_DEVICE *sas_device_priv_data;
- struct MPT2SAS_TARGET *sas_target_priv_data;
- struct _sas_device *sas_device;
- struct _raid_device *raid_device;
- unsigned long flags;
- int qdepth;
- u8 ssp_target = 0;
- char *ds = "";
- char *r_level = "";
- u16 handle, volume_handle = 0;
- u64 volume_wwid = 0;
-
- qdepth = 1;
- sas_device_priv_data = sdev->hostdata;
- sas_device_priv_data->configured_lun = 1;
- sas_device_priv_data->flags &= ~MPT_DEVICE_FLAGS_INIT;
- sas_target_priv_data = sas_device_priv_data->sas_target;
- handle = sas_target_priv_data->handle;
-
- /* raid volume handling */
- if (sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME) {
-
- spin_lock_irqsave(&ioc->raid_device_lock, flags);
- raid_device = _scsih_raid_device_find_by_handle(ioc, handle);
- spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
- if (!raid_device) {
- dfailprintk(ioc, printk(MPT2SAS_WARN_FMT
- "failure at %s:%d/%s()!\n", ioc->name, __FILE__,
- __LINE__, __func__));
- return 1;
- }
-
- if (_scsih_get_volume_capabilities(ioc, raid_device)) {
- dfailprintk(ioc, printk(MPT2SAS_WARN_FMT
- "failure at %s:%d/%s()!\n", ioc->name, __FILE__,
- __LINE__, __func__));
- return 1;
- }
- /*
- * WARPDRIVE: Initialize the required data for Direct IO
- */
- _scsih_init_warpdrive_properties(ioc, raid_device);
-
- /* RAID Queue Depth Support
- * IS volume = underlying qdepth of drive type, either
- * MPT2SAS_SAS_QUEUE_DEPTH or MPT2SAS_SATA_QUEUE_DEPTH
- * IM/IME/R10 = 128 (MPT2SAS_RAID_QUEUE_DEPTH)
- */
- if (raid_device->device_info &
- MPI2_SAS_DEVICE_INFO_SSP_TARGET) {
- qdepth = MPT2SAS_SAS_QUEUE_DEPTH;
- ds = "SSP";
- } else {
- qdepth = MPT2SAS_SATA_QUEUE_DEPTH;
- if (raid_device->device_info &
- MPI2_SAS_DEVICE_INFO_SATA_DEVICE)
- ds = "SATA";
- else
- ds = "STP";
- }
-
- switch (raid_device->volume_type) {
- case MPI2_RAID_VOL_TYPE_RAID0:
- r_level = "RAID0";
- break;
- case MPI2_RAID_VOL_TYPE_RAID1E:
- qdepth = MPT2SAS_RAID_QUEUE_DEPTH;
- if (ioc->manu_pg10.OEMIdentifier &&
- (le32_to_cpu(ioc->manu_pg10.GenericFlags0) &
- MFG10_GF0_R10_DISPLAY) &&
- !(raid_device->num_pds % 2))
- r_level = "RAID10";
- else
- r_level = "RAID1E";
- break;
- case MPI2_RAID_VOL_TYPE_RAID1:
- qdepth = MPT2SAS_RAID_QUEUE_DEPTH;
- r_level = "RAID1";
- break;
- case MPI2_RAID_VOL_TYPE_RAID10:
- qdepth = MPT2SAS_RAID_QUEUE_DEPTH;
- r_level = "RAID10";
- break;
- case MPI2_RAID_VOL_TYPE_UNKNOWN:
- default:
- qdepth = MPT2SAS_RAID_QUEUE_DEPTH;
- r_level = "RAIDX";
- break;
- }
-
- if (!ioc->hide_ir_msg)
- sdev_printk(KERN_INFO, sdev, "%s: handle(0x%04x), "
- "wwid(0x%016llx), pd_count(%d), type(%s)\n",
- r_level, raid_device->handle,
- (unsigned long long)raid_device->wwid,
- raid_device->num_pds, ds);
- _scsih_change_queue_depth(sdev, qdepth);
- /* raid transport support */
- if (!ioc->is_warpdrive)
- _scsih_set_level(sdev, raid_device->volume_type);
- return 0;
- }
-
- /* non-raid handling */
- if (sas_target_priv_data->flags & MPT_TARGET_FLAGS_RAID_COMPONENT) {
- if (mpt2sas_config_get_volume_handle(ioc, handle,
- &volume_handle)) {
- dfailprintk(ioc, printk(MPT2SAS_WARN_FMT
- "failure at %s:%d/%s()!\n", ioc->name,
- __FILE__, __LINE__, __func__));
- return 1;
- }
- if (volume_handle && mpt2sas_config_get_volume_wwid(ioc,
- volume_handle, &volume_wwid)) {
- dfailprintk(ioc, printk(MPT2SAS_WARN_FMT
- "failure at %s:%d/%s()!\n", ioc->name,
- __FILE__, __LINE__, __func__));
- return 1;
- }
- }
-
- spin_lock_irqsave(&ioc->sas_device_lock, flags);
- sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc,
- sas_device_priv_data->sas_target->sas_address);
- if (!sas_device) {
- spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
- dfailprintk(ioc, printk(MPT2SAS_WARN_FMT
- "failure at %s:%d/%s()!\n", ioc->name, __FILE__,
- __LINE__, __func__));
- return 1;
- }
- sas_device->volume_handle = volume_handle;
- sas_device->volume_wwid = volume_wwid;
- if (sas_device->device_info & MPI2_SAS_DEVICE_INFO_SSP_TARGET) {
- qdepth = MPT2SAS_SAS_QUEUE_DEPTH;
- ssp_target = 1;
- ds = "SSP";
- } else {
- qdepth = MPT2SAS_SATA_QUEUE_DEPTH;
- if (sas_device->device_info & MPI2_SAS_DEVICE_INFO_STP_TARGET)
- ds = "STP";
- else if (sas_device->device_info &
- MPI2_SAS_DEVICE_INFO_SATA_DEVICE)
- ds = "SATA";
- }
- sdev_printk(KERN_INFO, sdev, "%s: handle(0x%04x), "
- "sas_addr(0x%016llx), phy(%d), device_name(0x%016llx)\n",
- ds, sas_device->handle,
- (unsigned long long)sas_device->sas_address,
- sas_device->phy,
- (unsigned long long)sas_device->device_name);
- sdev_printk(KERN_INFO, sdev, "%s: "
- "enclosure_logical_id(0x%016llx), slot(%d)\n", ds,
- (unsigned long long) sas_device->enclosure_logical_id,
- sas_device->slot);
-
- spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
- if (!ssp_target)
- _scsih_display_sata_capabilities(ioc, handle, sdev);
-
-
- _scsih_change_queue_depth(sdev, qdepth);
-
- if (ssp_target) {
- sas_read_port_mode_page(sdev);
- _scsih_enable_tlr(ioc, sdev);
- }
- return 0;
-}
-
-/**
- * _scsih_bios_param - fetch head, sector, cylinder info for a disk
- * @sdev: scsi device struct
- * @bdev: pointer to block device context
- * @capacity: device size (in 512 byte sectors)
- * @params: three element array to place output:
- * params[0] number of heads (max 255)
- * params[1] number of sectors (max 63)
- * params[2] number of cylinders
- *
- * Return nothing.
- */
-static int
-_scsih_bios_param(struct scsi_device *sdev, struct block_device *bdev,
- sector_t capacity, int params[])
-{
- int heads;
- int sectors;
- sector_t cylinders;
- ulong dummy;
-
- heads = 64;
- sectors = 32;
-
- dummy = heads * sectors;
- cylinders = capacity;
- sector_div(cylinders, dummy);
-
- /*
- * Handle extended translation size for logical drives
- * > 1Gb
- */
- if ((ulong)capacity >= 0x200000) {
- heads = 255;
- sectors = 63;
- dummy = heads * sectors;
- cylinders = capacity;
- sector_div(cylinders, dummy);
- }
-
- /* return result */
- params[0] = heads;
- params[1] = sectors;
- params[2] = cylinders;
-
- return 0;
-}
-
-/**
- * _scsih_response_code - translation of device response code
- * @ioc: per adapter object
- * @response_code: response code returned by the device
- *
- * Return nothing.
- */
-static void
-_scsih_response_code(struct MPT2SAS_ADAPTER *ioc, u8 response_code)
-{
- char *desc;
-
- switch (response_code) {
- case MPI2_SCSITASKMGMT_RSP_TM_COMPLETE:
- desc = "task management request completed";
- break;
- case MPI2_SCSITASKMGMT_RSP_INVALID_FRAME:
- desc = "invalid frame";
- break;
- case MPI2_SCSITASKMGMT_RSP_TM_NOT_SUPPORTED:
- desc = "task management request not supported";
- break;
- case MPI2_SCSITASKMGMT_RSP_TM_FAILED:
- desc = "task management request failed";
- break;
- case MPI2_SCSITASKMGMT_RSP_TM_SUCCEEDED:
- desc = "task management request succeeded";
- break;
- case MPI2_SCSITASKMGMT_RSP_TM_INVALID_LUN:
- desc = "invalid lun";
- break;
- case 0xA:
- desc = "overlapped tag attempted";
- break;
- case MPI2_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC:
- desc = "task queued, however not sent to target";
- break;
- default:
- desc = "unknown";
- break;
- }
- printk(MPT2SAS_WARN_FMT "response_code(0x%01x): %s\n",
- ioc->name, response_code, desc);
-}
-
-/**
- * _scsih_tm_done - tm completion routine
- * @ioc: per adapter object
- * @smid: system request message index
- * @msix_index: MSIX table index supplied by the OS
- * @reply: reply message frame(lower 32bit addr)
- * Context: none.
- *
- * The callback handler when using scsih_issue_tm.
- *
- * Return 1 meaning mf should be freed from _base_interrupt
- * 0 means the mf is freed from this function.
- */
-static u8
-_scsih_tm_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply)
-{
- MPI2DefaultReply_t *mpi_reply;
-
- if (ioc->tm_cmds.status == MPT2_CMD_NOT_USED)
- return 1;
- if (ioc->tm_cmds.smid != smid)
- return 1;
- mpt2sas_base_flush_reply_queues(ioc);
- ioc->tm_cmds.status |= MPT2_CMD_COMPLETE;
- mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply);
- if (mpi_reply) {
- memcpy(ioc->tm_cmds.reply, mpi_reply, mpi_reply->MsgLength*4);
- ioc->tm_cmds.status |= MPT2_CMD_REPLY_VALID;
- }
- ioc->tm_cmds.status &= ~MPT2_CMD_PENDING;
- complete(&ioc->tm_cmds.done);
- return 1;
-}
-
-/**
- * mpt2sas_scsih_set_tm_flag - set per target tm_busy
- * @ioc: per adapter object
- * @handle: device handle
- *
- * During taskmangement request, we need to freeze the device queue.
- */
-void
-mpt2sas_scsih_set_tm_flag(struct MPT2SAS_ADAPTER *ioc, u16 handle)
-{
- struct MPT2SAS_DEVICE *sas_device_priv_data;
- struct scsi_device *sdev;
- u8 skip = 0;
-
- shost_for_each_device(sdev, ioc->shost) {
- if (skip)
- continue;
- sas_device_priv_data = sdev->hostdata;
- if (!sas_device_priv_data)
- continue;
- if (sas_device_priv_data->sas_target->handle == handle) {
- sas_device_priv_data->sas_target->tm_busy = 1;
- skip = 1;
- ioc->ignore_loginfos = 1;
- }
- }
-}
-
-/**
- * mpt2sas_scsih_clear_tm_flag - clear per target tm_busy
- * @ioc: per adapter object
- * @handle: device handle
- *
- * During taskmangement request, we need to freeze the device queue.
- */
-void
-mpt2sas_scsih_clear_tm_flag(struct MPT2SAS_ADAPTER *ioc, u16 handle)
-{
- struct MPT2SAS_DEVICE *sas_device_priv_data;
- struct scsi_device *sdev;
- u8 skip = 0;
-
- shost_for_each_device(sdev, ioc->shost) {
- if (skip)
- continue;
- sas_device_priv_data = sdev->hostdata;
- if (!sas_device_priv_data)
- continue;
- if (sas_device_priv_data->sas_target->handle == handle) {
- sas_device_priv_data->sas_target->tm_busy = 0;
- skip = 1;
- ioc->ignore_loginfos = 0;
- }
- }
-}
-
-
-/**
- * mpt2sas_scsih_issue_tm - main routine for sending tm requests
- * @ioc: per adapter struct
- * @device_handle: device handle
- * @channel: the channel assigned by the OS
- * @id: the id assigned by the OS
- * @lun: lun number
- * @type: MPI2_SCSITASKMGMT_TASKTYPE__XXX (defined in mpi2_init.h)
- * @smid_task: smid assigned to the task
- * @timeout: timeout in seconds
- * @m_type: TM_MUTEX_ON or TM_MUTEX_OFF
- * Context: user
- *
- * A generic API for sending task management requests to firmware.
- *
- * The callback index is set inside `ioc->tm_cb_idx`.
- *
- * Return SUCCESS or FAILED.
- */
-int
-mpt2sas_scsih_issue_tm(struct MPT2SAS_ADAPTER *ioc, u16 handle, uint channel,
- uint id, uint lun, u8 type, u16 smid_task, ulong timeout,
- enum mutex_type m_type)
-{
- Mpi2SCSITaskManagementRequest_t *mpi_request;
- Mpi2SCSITaskManagementReply_t *mpi_reply;
- u16 smid = 0;
- u32 ioc_state;
- unsigned long timeleft;
- struct scsiio_tracker *scsi_lookup = NULL;
- int rc;
-
- if (m_type == TM_MUTEX_ON)
- mutex_lock(&ioc->tm_cmds.mutex);
- if (ioc->tm_cmds.status != MPT2_CMD_NOT_USED) {
- printk(MPT2SAS_INFO_FMT "%s: tm_cmd busy!!!\n",
- __func__, ioc->name);
- rc = FAILED;
- goto err_out;
- }
-
- if (ioc->shost_recovery || ioc->remove_host ||
- ioc->pci_error_recovery) {
- printk(MPT2SAS_INFO_FMT "%s: host reset in progress!\n",
- __func__, ioc->name);
- rc = FAILED;
- goto err_out;
- }
-
- ioc_state = mpt2sas_base_get_iocstate(ioc, 0);
- if (ioc_state & MPI2_DOORBELL_USED) {
- dhsprintk(ioc, printk(MPT2SAS_INFO_FMT "unexpected doorbell "
- "active!\n", ioc->name));
- rc = mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP,
- FORCE_BIG_HAMMER);
- rc = (!rc) ? SUCCESS : FAILED;
- goto err_out;
- }
-
- if ((ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT) {
- mpt2sas_base_fault_info(ioc, ioc_state &
- MPI2_DOORBELL_DATA_MASK);
- rc = mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP,
- FORCE_BIG_HAMMER);
- rc = (!rc) ? SUCCESS : FAILED;
- goto err_out;
- }
-
- smid = mpt2sas_base_get_smid_hpr(ioc, ioc->tm_cb_idx);
- if (!smid) {
- printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n",
- ioc->name, __func__);
- rc = FAILED;
- goto err_out;
- }
-
- if (type == MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK)
- scsi_lookup = &ioc->scsi_lookup[smid_task - 1];
-
- dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "sending tm: handle(0x%04x),"
- " task_type(0x%02x), smid(%d)\n", ioc->name, handle, type,
- smid_task));
- ioc->tm_cmds.status = MPT2_CMD_PENDING;
- mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
- ioc->tm_cmds.smid = smid;
- memset(mpi_request, 0, sizeof(Mpi2SCSITaskManagementRequest_t));
- memset(ioc->tm_cmds.reply, 0, sizeof(Mpi2SCSITaskManagementReply_t));
- mpi_request->Function = MPI2_FUNCTION_SCSI_TASK_MGMT;
- mpi_request->DevHandle = cpu_to_le16(handle);
- mpi_request->TaskType = type;
- mpi_request->TaskMID = cpu_to_le16(smid_task);
- int_to_scsilun(lun, (struct scsi_lun *)mpi_request->LUN);
- mpt2sas_scsih_set_tm_flag(ioc, handle);
- init_completion(&ioc->tm_cmds.done);
- mpt2sas_base_put_smid_hi_priority(ioc, smid);
- timeleft = wait_for_completion_timeout(&ioc->tm_cmds.done, timeout*HZ);
- if (!(ioc->tm_cmds.status & MPT2_CMD_COMPLETE)) {
- printk(MPT2SAS_ERR_FMT "%s: timeout\n",
- ioc->name, __func__);
- _debug_dump_mf(mpi_request,
- sizeof(Mpi2SCSITaskManagementRequest_t)/4);
- if (!(ioc->tm_cmds.status & MPT2_CMD_RESET)) {
- rc = mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP,
- FORCE_BIG_HAMMER);
- rc = (!rc) ? SUCCESS : FAILED;
- ioc->tm_cmds.status = MPT2_CMD_NOT_USED;
- mpt2sas_scsih_clear_tm_flag(ioc, handle);
- goto err_out;
- }
- }
-
- if (ioc->tm_cmds.status & MPT2_CMD_REPLY_VALID) {
- mpi_reply = ioc->tm_cmds.reply;
- dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "complete tm: "
- "ioc_status(0x%04x), loginfo(0x%08x), term_count(0x%08x)\n",
- ioc->name, le16_to_cpu(mpi_reply->IOCStatus),
- le32_to_cpu(mpi_reply->IOCLogInfo),
- le32_to_cpu(mpi_reply->TerminationCount)));
- if (ioc->logging_level & MPT_DEBUG_TM) {
- _scsih_response_code(ioc, mpi_reply->ResponseCode);
- if (mpi_reply->IOCStatus)
- _debug_dump_mf(mpi_request,
- sizeof(Mpi2SCSITaskManagementRequest_t)/4);
- }
- }
-
- switch (type) {
- case MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK:
- rc = SUCCESS;
- if (scsi_lookup->scmd == NULL)
- break;
- rc = FAILED;
- break;
-
- case MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET:
- if (_scsih_scsi_lookup_find_by_target(ioc, id, channel))
- rc = FAILED;
- else
- rc = SUCCESS;
- break;
-
- case MPI2_SCSITASKMGMT_TASKTYPE_ABRT_TASK_SET:
- case MPI2_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET:
- if (_scsih_scsi_lookup_find_by_lun(ioc, id, lun, channel))
- rc = FAILED;
- else
- rc = SUCCESS;
- break;
- case MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK:
- rc = SUCCESS;
- break;
- default:
- rc = FAILED;
- break;
- }
-
- mpt2sas_scsih_clear_tm_flag(ioc, handle);
- ioc->tm_cmds.status = MPT2_CMD_NOT_USED;
- if (m_type == TM_MUTEX_ON)
- mutex_unlock(&ioc->tm_cmds.mutex);
-
- return rc;
-
- err_out:
- if (m_type == TM_MUTEX_ON)
- mutex_unlock(&ioc->tm_cmds.mutex);
- return rc;
-}
-
-/**
- * _scsih_tm_display_info - displays info about the device
- * @ioc: per adapter struct
- * @scmd: pointer to scsi command object
- *
- * Called by task management callback handlers.
- */
-static void
-_scsih_tm_display_info(struct MPT2SAS_ADAPTER *ioc, struct scsi_cmnd *scmd)
-{
- struct scsi_target *starget = scmd->device->sdev_target;
- struct MPT2SAS_TARGET *priv_target = starget->hostdata;
- struct _sas_device *sas_device = NULL;
- unsigned long flags;
- char *device_str = NULL;
-
- if (!priv_target)
- return;
- if (ioc->hide_ir_msg)
- device_str = "WarpDrive";
- else
- device_str = "volume";
-
- scsi_print_command(scmd);
- if (priv_target->flags & MPT_TARGET_FLAGS_VOLUME) {
- starget_printk(KERN_INFO, starget, "%s handle(0x%04x), "
- "%s wwid(0x%016llx)\n", device_str, priv_target->handle,
- device_str, (unsigned long long)priv_target->sas_address);
- } else {
- spin_lock_irqsave(&ioc->sas_device_lock, flags);
- sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc,
- priv_target->sas_address);
- if (sas_device) {
- if (priv_target->flags &
- MPT_TARGET_FLAGS_RAID_COMPONENT) {
- starget_printk(KERN_INFO, starget,
- "volume handle(0x%04x), "
- "volume wwid(0x%016llx)\n",
- sas_device->volume_handle,
- (unsigned long long)sas_device->volume_wwid);
- }
- starget_printk(KERN_INFO, starget,
- "handle(0x%04x), sas_address(0x%016llx), phy(%d)\n",
- sas_device->handle,
- (unsigned long long)sas_device->sas_address,
- sas_device->phy);
- starget_printk(KERN_INFO, starget,
- "enclosure_logical_id(0x%016llx), slot(%d)\n",
- (unsigned long long)sas_device->enclosure_logical_id,
- sas_device->slot);
- }
- spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
- }
-}
-
-/**
- * _scsih_abort - eh threads main abort routine
- * @scmd: pointer to scsi command object
- *
- * Returns SUCCESS if command aborted else FAILED
- */
-static int
-_scsih_abort(struct scsi_cmnd *scmd)
-{
- struct MPT2SAS_ADAPTER *ioc = shost_priv(scmd->device->host);
- struct MPT2SAS_DEVICE *sas_device_priv_data;
- u16 smid;
- u16 handle;
- int r;
-
- sdev_printk(KERN_INFO, scmd->device, "attempting task abort! "
- "scmd(%p)\n", scmd);
- _scsih_tm_display_info(ioc, scmd);
-
- sas_device_priv_data = scmd->device->hostdata;
- if (!sas_device_priv_data || !sas_device_priv_data->sas_target) {
- sdev_printk(KERN_INFO, scmd->device, "device been deleted! "
- "scmd(%p)\n", scmd);
- scmd->result = DID_NO_CONNECT << 16;
- scmd->scsi_done(scmd);
- r = SUCCESS;
- goto out;
- }
-
- /* search for the command */
- smid = _scsih_scsi_lookup_find_by_scmd(ioc, scmd);
- if (!smid) {
- scmd->result = DID_RESET << 16;
- r = SUCCESS;
- goto out;
- }
-
- /* for hidden raid components and volumes this is not supported */
- if (sas_device_priv_data->sas_target->flags &
- MPT_TARGET_FLAGS_RAID_COMPONENT ||
- sas_device_priv_data->sas_target->flags & MPT_TARGET_FLAGS_VOLUME) {
- scmd->result = DID_RESET << 16;
- r = FAILED;
- goto out;
- }
-
- mpt2sas_halt_firmware(ioc);
-
- handle = sas_device_priv_data->sas_target->handle;
- r = mpt2sas_scsih_issue_tm(ioc, handle, scmd->device->channel,
- scmd->device->id, scmd->device->lun,
- MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK, smid, 30, TM_MUTEX_ON);
-
- out:
- sdev_printk(KERN_INFO, scmd->device, "task abort: %s scmd(%p)\n",
- ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd);
- return r;
-}
-
-/**
- * _scsih_dev_reset - eh threads main device reset routine
- * @scmd: pointer to scsi command object
- *
- * Returns SUCCESS if command aborted else FAILED
- */
-static int
-_scsih_dev_reset(struct scsi_cmnd *scmd)
-{
- struct MPT2SAS_ADAPTER *ioc = shost_priv(scmd->device->host);
- struct MPT2SAS_DEVICE *sas_device_priv_data;
- struct _sas_device *sas_device;
- unsigned long flags;
- u16 handle;
- int r;
-
- struct scsi_target *starget = scmd->device->sdev_target;
-
- starget_printk(KERN_INFO, starget, "attempting device reset! "
- "scmd(%p)\n", scmd);
- _scsih_tm_display_info(ioc, scmd);
-
- sas_device_priv_data = scmd->device->hostdata;
- if (!sas_device_priv_data || !sas_device_priv_data->sas_target) {
- starget_printk(KERN_INFO, starget, "device been deleted! "
- "scmd(%p)\n", scmd);
- scmd->result = DID_NO_CONNECT << 16;
- scmd->scsi_done(scmd);
- r = SUCCESS;
- goto out;
- }
-
- /* for hidden raid components obtain the volume_handle */
- handle = 0;
- if (sas_device_priv_data->sas_target->flags &
- MPT_TARGET_FLAGS_RAID_COMPONENT) {
- spin_lock_irqsave(&ioc->sas_device_lock, flags);
- sas_device = _scsih_sas_device_find_by_handle(ioc,
- sas_device_priv_data->sas_target->handle);
- if (sas_device)
- handle = sas_device->volume_handle;
- spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
- } else
- handle = sas_device_priv_data->sas_target->handle;
-
- if (!handle) {
- scmd->result = DID_RESET << 16;
- r = FAILED;
- goto out;
- }
-
- r = mpt2sas_scsih_issue_tm(ioc, handle, scmd->device->channel,
- scmd->device->id, scmd->device->lun,
- MPI2_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET, 0, 30, TM_MUTEX_ON);
-
- out:
- sdev_printk(KERN_INFO, scmd->device, "device reset: %s scmd(%p)\n",
- ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd);
- return r;
-}
-
-/**
- * _scsih_target_reset - eh threads main target reset routine
- * @scmd: pointer to scsi command object
- *
- * Returns SUCCESS if command aborted else FAILED
- */
-static int
-_scsih_target_reset(struct scsi_cmnd *scmd)
-{
- struct MPT2SAS_ADAPTER *ioc = shost_priv(scmd->device->host);
- struct MPT2SAS_DEVICE *sas_device_priv_data;
- struct _sas_device *sas_device;
- unsigned long flags;
- u16 handle;
- int r;
- struct scsi_target *starget = scmd->device->sdev_target;
-
- starget_printk(KERN_INFO, starget, "attempting target reset! "
- "scmd(%p)\n", scmd);
- _scsih_tm_display_info(ioc, scmd);
-
- sas_device_priv_data = scmd->device->hostdata;
- if (!sas_device_priv_data || !sas_device_priv_data->sas_target) {
- starget_printk(KERN_INFO, starget, "target been deleted! "
- "scmd(%p)\n", scmd);
- scmd->result = DID_NO_CONNECT << 16;
- scmd->scsi_done(scmd);
- r = SUCCESS;
- goto out;
- }
-
- /* for hidden raid components obtain the volume_handle */
- handle = 0;
- if (sas_device_priv_data->sas_target->flags &
- MPT_TARGET_FLAGS_RAID_COMPONENT) {
- spin_lock_irqsave(&ioc->sas_device_lock, flags);
- sas_device = _scsih_sas_device_find_by_handle(ioc,
- sas_device_priv_data->sas_target->handle);
- if (sas_device)
- handle = sas_device->volume_handle;
- spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
- } else
- handle = sas_device_priv_data->sas_target->handle;
-
- if (!handle) {
- scmd->result = DID_RESET << 16;
- r = FAILED;
- goto out;
- }
-
- r = mpt2sas_scsih_issue_tm(ioc, handle, scmd->device->channel,
- scmd->device->id, 0, MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET, 0,
- 30, TM_MUTEX_ON);
-
- out:
- starget_printk(KERN_INFO, starget, "target reset: %s scmd(%p)\n",
- ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd);
- return r;
-}
-
-/**
- * _scsih_host_reset - eh threads main host reset routine
- * @scmd: pointer to scsi command object
- *
- * Returns SUCCESS if command aborted else FAILED
- */
-static int
-_scsih_host_reset(struct scsi_cmnd *scmd)
-{
- struct MPT2SAS_ADAPTER *ioc = shost_priv(scmd->device->host);
- int r, retval;
-
- printk(MPT2SAS_INFO_FMT "attempting host reset! scmd(%p)\n",
- ioc->name, scmd);
- scsi_print_command(scmd);
-
- if (ioc->is_driver_loading) {
- printk(MPT2SAS_INFO_FMT "Blocking the host reset\n",
- ioc->name);
- r = FAILED;
- goto out;
- }
-
- retval = mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP,
- FORCE_BIG_HAMMER);
- r = (retval < 0) ? FAILED : SUCCESS;
-
- out:
- printk(MPT2SAS_INFO_FMT "host reset: %s scmd(%p)\n",
- ioc->name, ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd);
-
- return r;
-}
-
-/**
- * _scsih_fw_event_add - insert and queue up fw_event
- * @ioc: per adapter object
- * @fw_event: object describing the event
- * Context: This function will acquire ioc->fw_event_lock.
- *
- * This adds the firmware event object into link list, then queues it up to
- * be processed from user context.
- *
- * Return nothing.
- */
-static void
-_scsih_fw_event_add(struct MPT2SAS_ADAPTER *ioc, struct fw_event_work *fw_event)
-{
- unsigned long flags;
-
- if (ioc->firmware_event_thread == NULL)
- return;
-
- spin_lock_irqsave(&ioc->fw_event_lock, flags);
- list_add_tail(&fw_event->list, &ioc->fw_event_list);
- INIT_DELAYED_WORK(&fw_event->delayed_work, _firmware_event_work);
- queue_delayed_work(ioc->firmware_event_thread,
- &fw_event->delayed_work, 0);
- spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
-}
-
-/**
- * _scsih_fw_event_free - delete fw_event
- * @ioc: per adapter object
- * @fw_event: object describing the event
- * Context: This function will acquire ioc->fw_event_lock.
- *
- * This removes firmware event object from link list, frees associated memory.
- *
- * Return nothing.
- */
-static void
-_scsih_fw_event_free(struct MPT2SAS_ADAPTER *ioc, struct fw_event_work
- *fw_event)
-{
- unsigned long flags;
-
- spin_lock_irqsave(&ioc->fw_event_lock, flags);
- list_del(&fw_event->list);
- kfree(fw_event);
- spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
-}
-
-
-/**
- * _scsih_error_recovery_delete_devices - remove devices not responding
- * @ioc: per adapter object
- *
- * Return nothing.
- */
-static void
-_scsih_error_recovery_delete_devices(struct MPT2SAS_ADAPTER *ioc)
-{
- struct fw_event_work *fw_event;
-
- if (ioc->is_driver_loading)
- return;
-
- fw_event = kzalloc(sizeof(struct fw_event_work), GFP_ATOMIC);
- if (!fw_event)
- return;
-
- fw_event->event = MPT2SAS_REMOVE_UNRESPONDING_DEVICES;
- fw_event->ioc = ioc;
- _scsih_fw_event_add(ioc, fw_event);
-}
-
-/**
- * mpt2sas_port_enable_complete - port enable completed (fake event)
- * @ioc: per adapter object
- *
- * Return nothing.
- */
-void
-mpt2sas_port_enable_complete(struct MPT2SAS_ADAPTER *ioc)
-{
- struct fw_event_work *fw_event;
-
- fw_event = kzalloc(sizeof(struct fw_event_work), GFP_ATOMIC);
- if (!fw_event)
- return;
- fw_event->event = MPT2SAS_PORT_ENABLE_COMPLETE;
- fw_event->ioc = ioc;
- _scsih_fw_event_add(ioc, fw_event);
-}
-
-/**
- * _scsih_fw_event_cleanup_queue - cleanup event queue
- * @ioc: per adapter object
- *
- * Walk the firmware event queue, either killing timers, or waiting
- * for outstanding events to complete
- *
- * Return nothing.
- */
-static void
-_scsih_fw_event_cleanup_queue(struct MPT2SAS_ADAPTER *ioc)
-{
- struct fw_event_work *fw_event, *next;
-
- if (list_empty(&ioc->fw_event_list) ||
- !ioc->firmware_event_thread || in_interrupt())
- return;
-
- list_for_each_entry_safe(fw_event, next, &ioc->fw_event_list, list) {
- if (cancel_delayed_work_sync(&fw_event->delayed_work)) {
- _scsih_fw_event_free(ioc, fw_event);
- continue;
- }
- }
-}
-
-/**
- * _scsih_ublock_io_all_device - unblock every device
- * @ioc: per adapter object
- *
- * change the device state from block to running
- */
-static void
-_scsih_ublock_io_all_device(struct MPT2SAS_ADAPTER *ioc)
-{
- struct MPT2SAS_DEVICE *sas_device_priv_data;
- struct scsi_device *sdev;
-
- shost_for_each_device(sdev, ioc->shost) {
- sas_device_priv_data = sdev->hostdata;
- if (!sas_device_priv_data)
- continue;
- if (!sas_device_priv_data->block)
- continue;
- sas_device_priv_data->block = 0;
- dewtprintk(ioc, sdev_printk(KERN_INFO, sdev, "device_running, "
- "handle(0x%04x)\n",
- sas_device_priv_data->sas_target->handle));
- scsi_internal_device_unblock(sdev, SDEV_RUNNING);
- }
-}
-/**
- * _scsih_ublock_io_device - set the device state to SDEV_RUNNING
- * @ioc: per adapter object
- * @handle: device handle
- *
- * During device pull we need to appropiately set the sdev state.
- */
-static void
-_scsih_ublock_io_device(struct MPT2SAS_ADAPTER *ioc, u64 sas_address)
-{
- struct MPT2SAS_DEVICE *sas_device_priv_data;
- struct scsi_device *sdev;
-
- shost_for_each_device(sdev, ioc->shost) {
- sas_device_priv_data = sdev->hostdata;
- if (!sas_device_priv_data)
- continue;
- if (!sas_device_priv_data->block)
- continue;
- if (sas_device_priv_data->sas_target->sas_address ==
- sas_address) {
- dewtprintk(ioc, sdev_printk(KERN_INFO, sdev,
- MPT2SAS_INFO_FMT "SDEV_RUNNING: "
- "sas address(0x%016llx)\n", ioc->name,
- (unsigned long long)sas_address));
- sas_device_priv_data->block = 0;
- scsi_internal_device_unblock(sdev, SDEV_RUNNING);
- }
- }
-}
-
-/**
- * _scsih_block_io_all_device - set the device state to SDEV_BLOCK
- * @ioc: per adapter object
- * @handle: device handle
- *
- * During device pull we need to appropiately set the sdev state.
- */
-static void
-_scsih_block_io_all_device(struct MPT2SAS_ADAPTER *ioc)
-{
- struct MPT2SAS_DEVICE *sas_device_priv_data;
- struct scsi_device *sdev;
-
- shost_for_each_device(sdev, ioc->shost) {
- sas_device_priv_data = sdev->hostdata;
- if (!sas_device_priv_data)
- continue;
- if (sas_device_priv_data->block)
- continue;
- sas_device_priv_data->block = 1;
- dewtprintk(ioc, sdev_printk(KERN_INFO, sdev, "device_blocked, "
- "handle(0x%04x)\n",
- sas_device_priv_data->sas_target->handle));
- scsi_internal_device_block(sdev);
- }
-}
-
-
-/**
- * _scsih_block_io_device - set the device state to SDEV_BLOCK
- * @ioc: per adapter object
- * @handle: device handle
- *
- * During device pull we need to appropiately set the sdev state.
- */
-static void
-_scsih_block_io_device(struct MPT2SAS_ADAPTER *ioc, u16 handle)
-{
- struct MPT2SAS_DEVICE *sas_device_priv_data;
- struct scsi_device *sdev;
-
- shost_for_each_device(sdev, ioc->shost) {
- sas_device_priv_data = sdev->hostdata;
- if (!sas_device_priv_data)
- continue;
- if (sas_device_priv_data->block)
- continue;
- if (sas_device_priv_data->sas_target->handle == handle) {
- dewtprintk(ioc, sdev_printk(KERN_INFO, sdev,
- MPT2SAS_INFO_FMT "SDEV_BLOCK: "
- "handle(0x%04x)\n", ioc->name, handle));
- sas_device_priv_data->block = 1;
- scsi_internal_device_block(sdev);
- }
- }
-}
-
-/**
- * _scsih_block_io_to_children_attached_to_ex
- * @ioc: per adapter object
- * @sas_expander: the sas_device object
- *
- * This routine set sdev state to SDEV_BLOCK for all devices
- * attached to this expander. This function called when expander is
- * pulled.
- */
-static void
-_scsih_block_io_to_children_attached_to_ex(struct MPT2SAS_ADAPTER *ioc,
- struct _sas_node *sas_expander)
-{
- struct _sas_port *mpt2sas_port;
- struct _sas_device *sas_device;
- struct _sas_node *expander_sibling;
- unsigned long flags;
-
- if (!sas_expander)
- return;
-
- list_for_each_entry(mpt2sas_port,
- &sas_expander->sas_port_list, port_list) {
- if (mpt2sas_port->remote_identify.device_type ==
- SAS_END_DEVICE) {
- spin_lock_irqsave(&ioc->sas_device_lock, flags);
- sas_device =
- mpt2sas_scsih_sas_device_find_by_sas_address(ioc,
- mpt2sas_port->remote_identify.sas_address);
- if (sas_device)
- set_bit(sas_device->handle,
- ioc->blocking_handles);
- spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
- }
- }
-
- list_for_each_entry(mpt2sas_port,
- &sas_expander->sas_port_list, port_list) {
-
- if (mpt2sas_port->remote_identify.device_type ==
- SAS_EDGE_EXPANDER_DEVICE ||
- mpt2sas_port->remote_identify.device_type ==
- SAS_FANOUT_EXPANDER_DEVICE) {
- expander_sibling =
- mpt2sas_scsih_expander_find_by_sas_address(
- ioc, mpt2sas_port->remote_identify.sas_address);
- _scsih_block_io_to_children_attached_to_ex(ioc,
- expander_sibling);
- }
- }
-}
-
-/**
- * _scsih_block_io_to_children_attached_directly
- * @ioc: per adapter object
- * @event_data: topology change event data
- *
- * This routine set sdev state to SDEV_BLOCK for all devices
- * direct attached during device pull.
- */
-static void
-_scsih_block_io_to_children_attached_directly(struct MPT2SAS_ADAPTER *ioc,
- Mpi2EventDataSasTopologyChangeList_t *event_data)
-{
- int i;
- u16 handle;
- u16 reason_code;
- u8 phy_number;
-
- for (i = 0; i < event_data->NumEntries; i++) {
- handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle);
- if (!handle)
- continue;
- phy_number = event_data->StartPhyNum + i;
- reason_code = event_data->PHY[i].PhyStatus &
- MPI2_EVENT_SAS_TOPO_RC_MASK;
- if (reason_code == MPI2_EVENT_SAS_TOPO_RC_DELAY_NOT_RESPONDING)
- _scsih_block_io_device(ioc, handle);
- }
-}
-
-/**
- * _scsih_tm_tr_send - send task management request
- * @ioc: per adapter object
- * @handle: device handle
- * Context: interrupt time.
- *
- * This code is to initiate the device removal handshake protocol
- * with controller firmware. This function will issue target reset
- * using high priority request queue. It will send a sas iounit
- * control request (MPI2_SAS_OP_REMOVE_DEVICE) from this completion.
- *
- * This is designed to send muliple task management request at the same
- * time to the fifo. If the fifo is full, we will append the request,
- * and process it in a future completion.
- */
-static void
-_scsih_tm_tr_send(struct MPT2SAS_ADAPTER *ioc, u16 handle)
-{
- Mpi2SCSITaskManagementRequest_t *mpi_request;
- u16 smid;
- struct _sas_device *sas_device;
- struct MPT2SAS_TARGET *sas_target_priv_data = NULL;
- u64 sas_address = 0;
- unsigned long flags;
- struct _tr_list *delayed_tr;
- u32 ioc_state;
-
- if (ioc->remove_host) {
- dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: host has been "
- "removed: handle(0x%04x)\n", __func__, ioc->name, handle));
- return;
- } else if (ioc->pci_error_recovery) {
- dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: host in pci "
- "error recovery: handle(0x%04x)\n", __func__, ioc->name,
- handle));
- return;
- }
- ioc_state = mpt2sas_base_get_iocstate(ioc, 1);
- if (ioc_state != MPI2_IOC_STATE_OPERATIONAL) {
- dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: host is not "
- "operational: handle(0x%04x)\n", __func__, ioc->name,
- handle));
- return;
- }
-
- /* if PD, then return */
- if (test_bit(handle, ioc->pd_handles))
- return;
-
- spin_lock_irqsave(&ioc->sas_device_lock, flags);
- sas_device = _scsih_sas_device_find_by_handle(ioc, handle);
- if (sas_device && sas_device->starget &&
- sas_device->starget->hostdata) {
- sas_target_priv_data = sas_device->starget->hostdata;
- sas_target_priv_data->deleted = 1;
- sas_address = sas_device->sas_address;
- }
- spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
-
- if (sas_target_priv_data) {
- dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "setting delete flag: "
- "handle(0x%04x), sas_addr(0x%016llx)\n", ioc->name, handle,
- (unsigned long long)sas_address));
- _scsih_ublock_io_device(ioc, sas_address);
- sas_target_priv_data->handle = MPT2SAS_INVALID_DEVICE_HANDLE;
- }
-
- smid = mpt2sas_base_get_smid_hpr(ioc, ioc->tm_tr_cb_idx);
- if (!smid) {
- delayed_tr = kzalloc(sizeof(*delayed_tr), GFP_ATOMIC);
- if (!delayed_tr)
- return;
- INIT_LIST_HEAD(&delayed_tr->list);
- delayed_tr->handle = handle;
- list_add_tail(&delayed_tr->list, &ioc->delayed_tr_list);
- dewtprintk(ioc, printk(MPT2SAS_INFO_FMT
- "DELAYED:tr:handle(0x%04x), (open)\n",
- ioc->name, handle));
- return;
- }
-
- dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "tr_send:handle(0x%04x), "
- "(open), smid(%d), cb(%d)\n", ioc->name, handle, smid,
- ioc->tm_tr_cb_idx));
- mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
- memset(mpi_request, 0, sizeof(Mpi2SCSITaskManagementRequest_t));
- mpi_request->Function = MPI2_FUNCTION_SCSI_TASK_MGMT;
- mpi_request->DevHandle = cpu_to_le16(handle);
- mpi_request->TaskType = MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET;
- mpt2sas_base_put_smid_hi_priority(ioc, smid);
-}
-
-
-
-/**
- * _scsih_sas_control_complete - completion routine
- * @ioc: per adapter object
- * @smid: system request message index
- * @msix_index: MSIX table index supplied by the OS
- * @reply: reply message frame(lower 32bit addr)
- * Context: interrupt time.
- *
- * This is the sas iounit control completion routine.
- * This code is part of the code to initiate the device removal
- * handshake protocol with controller firmware.
- *
- * Return 1 meaning mf should be freed from _base_interrupt
- * 0 means the mf is freed from this function.
- */
-static u8
-_scsih_sas_control_complete(struct MPT2SAS_ADAPTER *ioc, u16 smid,
- u8 msix_index, u32 reply)
-{
- Mpi2SasIoUnitControlReply_t *mpi_reply =
- mpt2sas_base_get_reply_virt_addr(ioc, reply);
- if (likely(mpi_reply)) {
- dewtprintk(ioc, printk(MPT2SAS_INFO_FMT
- "sc_complete:handle(0x%04x), (open) "
- "smid(%d), ioc_status(0x%04x), loginfo(0x%08x)\n",
- ioc->name, le16_to_cpu(mpi_reply->DevHandle), smid,
- le16_to_cpu(mpi_reply->IOCStatus),
- le32_to_cpu(mpi_reply->IOCLogInfo)));
- } else {
- printk(MPT2SAS_ERR_FMT "mpi_reply not valid at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- }
- return 1;
-}
-
-/**
- * _scsih_tm_tr_volume_send - send target reset request for volumes
- * @ioc: per adapter object
- * @handle: device handle
- * Context: interrupt time.
- *
- * This is designed to send muliple task management request at the same
- * time to the fifo. If the fifo is full, we will append the request,
- * and process it in a future completion.
- */
-static void
-_scsih_tm_tr_volume_send(struct MPT2SAS_ADAPTER *ioc, u16 handle)
-{
- Mpi2SCSITaskManagementRequest_t *mpi_request;
- u16 smid;
- struct _tr_list *delayed_tr;
-
- if (ioc->shost_recovery || ioc->remove_host ||
- ioc->pci_error_recovery) {
- dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: host reset in "
- "progress!\n", __func__, ioc->name));
- return;
- }
-
- smid = mpt2sas_base_get_smid_hpr(ioc, ioc->tm_tr_volume_cb_idx);
- if (!smid) {
- delayed_tr = kzalloc(sizeof(*delayed_tr), GFP_ATOMIC);
- if (!delayed_tr)
- return;
- INIT_LIST_HEAD(&delayed_tr->list);
- delayed_tr->handle = handle;
- list_add_tail(&delayed_tr->list, &ioc->delayed_tr_volume_list);
- dewtprintk(ioc, printk(MPT2SAS_INFO_FMT
- "DELAYED:tr:handle(0x%04x), (open)\n",
- ioc->name, handle));
- return;
- }
-
- dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "tr_send:handle(0x%04x), "
- "(open), smid(%d), cb(%d)\n", ioc->name, handle, smid,
- ioc->tm_tr_volume_cb_idx));
- mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
- memset(mpi_request, 0, sizeof(Mpi2SCSITaskManagementRequest_t));
- mpi_request->Function = MPI2_FUNCTION_SCSI_TASK_MGMT;
- mpi_request->DevHandle = cpu_to_le16(handle);
- mpi_request->TaskType = MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET;
- mpt2sas_base_put_smid_hi_priority(ioc, smid);
-}
-
-/**
- * _scsih_tm_volume_tr_complete - target reset completion
- * @ioc: per adapter object
- * @smid: system request message index
- * @msix_index: MSIX table index supplied by the OS
- * @reply: reply message frame(lower 32bit addr)
- * Context: interrupt time.
- *
- * Return 1 meaning mf should be freed from _base_interrupt
- * 0 means the mf is freed from this function.
- */
-static u8
-_scsih_tm_volume_tr_complete(struct MPT2SAS_ADAPTER *ioc, u16 smid,
- u8 msix_index, u32 reply)
-{
- u16 handle;
- Mpi2SCSITaskManagementRequest_t *mpi_request_tm;
- Mpi2SCSITaskManagementReply_t *mpi_reply =
- mpt2sas_base_get_reply_virt_addr(ioc, reply);
-
- if (ioc->shost_recovery || ioc->remove_host ||
- ioc->pci_error_recovery) {
- dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: host reset in "
- "progress!\n", __func__, ioc->name));
- return 1;
- }
- if (unlikely(!mpi_reply)) {
- printk(MPT2SAS_ERR_FMT "mpi_reply not valid at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- return 1;
- }
- mpi_request_tm = mpt2sas_base_get_msg_frame(ioc, smid);
- handle = le16_to_cpu(mpi_request_tm->DevHandle);
- if (handle != le16_to_cpu(mpi_reply->DevHandle)) {
- dewtprintk(ioc, printk("spurious interrupt: "
- "handle(0x%04x:0x%04x), smid(%d)!!!\n", handle,
- le16_to_cpu(mpi_reply->DevHandle), smid));
- return 0;
- }
-
- dewtprintk(ioc, printk(MPT2SAS_INFO_FMT
- "tr_complete:handle(0x%04x), (open) smid(%d), ioc_status(0x%04x), "
- "loginfo(0x%08x), completed(%d)\n", ioc->name,
- handle, smid, le16_to_cpu(mpi_reply->IOCStatus),
- le32_to_cpu(mpi_reply->IOCLogInfo),
- le32_to_cpu(mpi_reply->TerminationCount)));
-
- return _scsih_check_for_pending_tm(ioc, smid);
-}
-
-/**
- * _scsih_tm_tr_complete -
- * @ioc: per adapter object
- * @smid: system request message index
- * @msix_index: MSIX table index supplied by the OS
- * @reply: reply message frame(lower 32bit addr)
- * Context: interrupt time.
- *
- * This is the target reset completion routine.
- * This code is part of the code to initiate the device removal
- * handshake protocol with controller firmware.
- * It will send a sas iounit control request (MPI2_SAS_OP_REMOVE_DEVICE)
- *
- * Return 1 meaning mf should be freed from _base_interrupt
- * 0 means the mf is freed from this function.
- */
-static u8
-_scsih_tm_tr_complete(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
- u32 reply)
-{
- u16 handle;
- Mpi2SCSITaskManagementRequest_t *mpi_request_tm;
- Mpi2SCSITaskManagementReply_t *mpi_reply =
- mpt2sas_base_get_reply_virt_addr(ioc, reply);
- Mpi2SasIoUnitControlRequest_t *mpi_request;
- u16 smid_sas_ctrl;
- u32 ioc_state;
-
- if (ioc->remove_host) {
- dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: host has been "
- "removed\n", __func__, ioc->name));
- return 1;
- } else if (ioc->pci_error_recovery) {
- dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: host in pci "
- "error recovery\n", __func__, ioc->name));
- return 1;
- }
- ioc_state = mpt2sas_base_get_iocstate(ioc, 1);
- if (ioc_state != MPI2_IOC_STATE_OPERATIONAL) {
- dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: host is not "
- "operational\n", __func__, ioc->name));
- return 1;
- }
- if (unlikely(!mpi_reply)) {
- printk(MPT2SAS_ERR_FMT "mpi_reply not valid at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- return 1;
- }
- mpi_request_tm = mpt2sas_base_get_msg_frame(ioc, smid);
- handle = le16_to_cpu(mpi_request_tm->DevHandle);
- if (handle != le16_to_cpu(mpi_reply->DevHandle)) {
- dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "spurious interrupt: "
- "handle(0x%04x:0x%04x), smid(%d)!!!\n", ioc->name, handle,
- le16_to_cpu(mpi_reply->DevHandle), smid));
- return 0;
- }
-
- dewtprintk(ioc, printk(MPT2SAS_INFO_FMT
- "tr_complete:handle(0x%04x), (open) smid(%d), ioc_status(0x%04x), "
- "loginfo(0x%08x), completed(%d)\n", ioc->name,
- handle, smid, le16_to_cpu(mpi_reply->IOCStatus),
- le32_to_cpu(mpi_reply->IOCLogInfo),
- le32_to_cpu(mpi_reply->TerminationCount)));
-
- smid_sas_ctrl = mpt2sas_base_get_smid(ioc, ioc->tm_sas_control_cb_idx);
- if (!smid_sas_ctrl) {
- printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n",
- ioc->name, __func__);
- return 1;
- }
-
- dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "sc_send:handle(0x%04x), "
- "(open), smid(%d), cb(%d)\n", ioc->name, handle, smid_sas_ctrl,
- ioc->tm_sas_control_cb_idx));
- mpi_request = mpt2sas_base_get_msg_frame(ioc, smid_sas_ctrl);
- memset(mpi_request, 0, sizeof(Mpi2SasIoUnitControlRequest_t));
- mpi_request->Function = MPI2_FUNCTION_SAS_IO_UNIT_CONTROL;
- mpi_request->Operation = MPI2_SAS_OP_REMOVE_DEVICE;
- mpi_request->DevHandle = mpi_request_tm->DevHandle;
- mpt2sas_base_put_smid_default(ioc, smid_sas_ctrl);
-
- return _scsih_check_for_pending_tm(ioc, smid);
-}
-
-/**
- * _scsih_check_for_pending_tm - check for pending task management
- * @ioc: per adapter object
- * @smid: system request message index
- *
- * This will check delayed target reset list, and feed the
- * next reqeust.
- *
- * Return 1 meaning mf should be freed from _base_interrupt
- * 0 means the mf is freed from this function.
- */
-static u8
-_scsih_check_for_pending_tm(struct MPT2SAS_ADAPTER *ioc, u16 smid)
-{
- struct _tr_list *delayed_tr;
-
- if (!list_empty(&ioc->delayed_tr_volume_list)) {
- delayed_tr = list_entry(ioc->delayed_tr_volume_list.next,
- struct _tr_list, list);
- mpt2sas_base_free_smid(ioc, smid);
- _scsih_tm_tr_volume_send(ioc, delayed_tr->handle);
- list_del(&delayed_tr->list);
- kfree(delayed_tr);
- return 0;
- }
-
- if (!list_empty(&ioc->delayed_tr_list)) {
- delayed_tr = list_entry(ioc->delayed_tr_list.next,
- struct _tr_list, list);
- mpt2sas_base_free_smid(ioc, smid);
- _scsih_tm_tr_send(ioc, delayed_tr->handle);
- list_del(&delayed_tr->list);
- kfree(delayed_tr);
- return 0;
- }
-
- return 1;
-}
-
-/**
- * _scsih_check_topo_delete_events - sanity check on topo events
- * @ioc: per adapter object
- * @event_data: the event data payload
- *
- * This routine added to better handle cable breaker.
- *
- * This handles the case where driver receives multiple expander
- * add and delete events in a single shot. When there is a delete event
- * the routine will void any pending add events waiting in the event queue.
- *
- * Return nothing.
- */
-static void
-_scsih_check_topo_delete_events(struct MPT2SAS_ADAPTER *ioc,
- Mpi2EventDataSasTopologyChangeList_t *event_data)
-{
- struct fw_event_work *fw_event;
- Mpi2EventDataSasTopologyChangeList_t *local_event_data;
- u16 expander_handle;
- struct _sas_node *sas_expander;
- unsigned long flags;
- int i, reason_code;
- u16 handle;
-
- for (i = 0 ; i < event_data->NumEntries; i++) {
- handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle);
- if (!handle)
- continue;
- reason_code = event_data->PHY[i].PhyStatus &
- MPI2_EVENT_SAS_TOPO_RC_MASK;
- if (reason_code == MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING)
- _scsih_tm_tr_send(ioc, handle);
- }
-
- expander_handle = le16_to_cpu(event_data->ExpanderDevHandle);
- if (expander_handle < ioc->sas_hba.num_phys) {
- _scsih_block_io_to_children_attached_directly(ioc, event_data);
- return;
- }
- if (event_data->ExpStatus ==
- MPI2_EVENT_SAS_TOPO_ES_DELAY_NOT_RESPONDING) {
- /* put expander attached devices into blocking state */
- spin_lock_irqsave(&ioc->sas_node_lock, flags);
- sas_expander = mpt2sas_scsih_expander_find_by_handle(ioc,
- expander_handle);
- _scsih_block_io_to_children_attached_to_ex(ioc, sas_expander);
- spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
- do {
- handle = find_first_bit(ioc->blocking_handles,
- ioc->facts.MaxDevHandle);
- if (handle < ioc->facts.MaxDevHandle)
- _scsih_block_io_device(ioc, handle);
- } while (test_and_clear_bit(handle, ioc->blocking_handles));
- } else if (event_data->ExpStatus == MPI2_EVENT_SAS_TOPO_ES_RESPONDING)
- _scsih_block_io_to_children_attached_directly(ioc, event_data);
-
- if (event_data->ExpStatus != MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING)
- return;
-
- /* mark ignore flag for pending events */
- spin_lock_irqsave(&ioc->fw_event_lock, flags);
- list_for_each_entry(fw_event, &ioc->fw_event_list, list) {
- if (fw_event->event != MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST ||
- fw_event->ignore)
- continue;
- local_event_data = (Mpi2EventDataSasTopologyChangeList_t *)
- fw_event->event_data;
- if (local_event_data->ExpStatus ==
- MPI2_EVENT_SAS_TOPO_ES_ADDED ||
- local_event_data->ExpStatus ==
- MPI2_EVENT_SAS_TOPO_ES_RESPONDING) {
- if (le16_to_cpu(local_event_data->ExpanderDevHandle) ==
- expander_handle) {
- dewtprintk(ioc, printk(MPT2SAS_INFO_FMT
- "setting ignoring flag\n", ioc->name));
- fw_event->ignore = 1;
- }
- }
- }
- spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
-}
-
-/**
- * _scsih_set_volume_delete_flag - setting volume delete flag
- * @ioc: per adapter object
- * @handle: device handle
- *
- * This
- * Return nothing.
- */
-static void
-_scsih_set_volume_delete_flag(struct MPT2SAS_ADAPTER *ioc, u16 handle)
-{
- struct _raid_device *raid_device;
- struct MPT2SAS_TARGET *sas_target_priv_data;
- unsigned long flags;
-
- spin_lock_irqsave(&ioc->raid_device_lock, flags);
- raid_device = _scsih_raid_device_find_by_handle(ioc, handle);
- if (raid_device && raid_device->starget &&
- raid_device->starget->hostdata) {
- sas_target_priv_data =
- raid_device->starget->hostdata;
- sas_target_priv_data->deleted = 1;
- dewtprintk(ioc, printk(MPT2SAS_INFO_FMT
- "setting delete flag: handle(0x%04x), "
- "wwid(0x%016llx)\n", ioc->name, handle,
- (unsigned long long) raid_device->wwid));
- }
- spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
-}
-
-/**
- * _scsih_set_volume_handle_for_tr - set handle for target reset to volume
- * @handle: input handle
- * @a: handle for volume a
- * @b: handle for volume b
- *
- * IR firmware only supports two raid volumes. The purpose of this
- * routine is to set the volume handle in either a or b. When the given
- * input handle is non-zero, or when a and b have not been set before.
- */
-static void
-_scsih_set_volume_handle_for_tr(u16 handle, u16 *a, u16 *b)
-{
- if (!handle || handle == *a || handle == *b)
- return;
- if (!*a)
- *a = handle;
- else if (!*b)
- *b = handle;
-}
-
-/**
- * _scsih_check_ir_config_unhide_events - check for UNHIDE events
- * @ioc: per adapter object
- * @event_data: the event data payload
- * Context: interrupt time.
- *
- * This routine will send target reset to volume, followed by target
- * resets to the PDs. This is called when a PD has been removed, or
- * volume has been deleted or removed. When the target reset is sent
- * to volume, the PD target resets need to be queued to start upon
- * completion of the volume target reset.
- *
- * Return nothing.
- */
-static void
-_scsih_check_ir_config_unhide_events(struct MPT2SAS_ADAPTER *ioc,
- Mpi2EventDataIrConfigChangeList_t *event_data)
-{
- Mpi2EventIrConfigElement_t *element;
- int i;
- u16 handle, volume_handle, a, b;
- struct _tr_list *delayed_tr;
-
- a = 0;
- b = 0;
-
- if (ioc->is_warpdrive)
- return;
-
- /* Volume Resets for Deleted or Removed */
- element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0];
- for (i = 0; i < event_data->NumElements; i++, element++) {
- if (element->ReasonCode ==
- MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED ||
- element->ReasonCode ==
- MPI2_EVENT_IR_CHANGE_RC_REMOVED) {
- volume_handle = le16_to_cpu(element->VolDevHandle);
- _scsih_set_volume_delete_flag(ioc, volume_handle);
- _scsih_set_volume_handle_for_tr(volume_handle, &a, &b);
- }
- }
-
- /* Volume Resets for UNHIDE events */
- element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0];
- for (i = 0; i < event_data->NumElements; i++, element++) {
- if (le32_to_cpu(event_data->Flags) &
- MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG)
- continue;
- if (element->ReasonCode == MPI2_EVENT_IR_CHANGE_RC_UNHIDE) {
- volume_handle = le16_to_cpu(element->VolDevHandle);
- _scsih_set_volume_handle_for_tr(volume_handle, &a, &b);
- }
- }
-
- if (a)
- _scsih_tm_tr_volume_send(ioc, a);
- if (b)
- _scsih_tm_tr_volume_send(ioc, b);
-
- /* PD target resets */
- element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0];
- for (i = 0; i < event_data->NumElements; i++, element++) {
- if (element->ReasonCode != MPI2_EVENT_IR_CHANGE_RC_UNHIDE)
- continue;
- handle = le16_to_cpu(element->PhysDiskDevHandle);
- volume_handle = le16_to_cpu(element->VolDevHandle);
- clear_bit(handle, ioc->pd_handles);
- if (!volume_handle)
- _scsih_tm_tr_send(ioc, handle);
- else if (volume_handle == a || volume_handle == b) {
- delayed_tr = kzalloc(sizeof(*delayed_tr), GFP_ATOMIC);
- BUG_ON(!delayed_tr);
- INIT_LIST_HEAD(&delayed_tr->list);
- delayed_tr->handle = handle;
- list_add_tail(&delayed_tr->list, &ioc->delayed_tr_list);
- dewtprintk(ioc, printk(MPT2SAS_INFO_FMT
- "DELAYED:tr:handle(0x%04x), (open)\n", ioc->name,
- handle));
- } else
- _scsih_tm_tr_send(ioc, handle);
- }
-}
-
-
-/**
- * _scsih_check_volume_delete_events - set delete flag for volumes
- * @ioc: per adapter object
- * @event_data: the event data payload
- * Context: interrupt time.
- *
- * This will handle the case when the cable connected to entire volume is
- * pulled. We will take care of setting the deleted flag so normal IO will
- * not be sent.
- *
- * Return nothing.
- */
-static void
-_scsih_check_volume_delete_events(struct MPT2SAS_ADAPTER *ioc,
- Mpi2EventDataIrVolume_t *event_data)
-{
- u32 state;
-
- if (event_data->ReasonCode != MPI2_EVENT_IR_VOLUME_RC_STATE_CHANGED)
- return;
- state = le32_to_cpu(event_data->NewValue);
- if (state == MPI2_RAID_VOL_STATE_MISSING || state ==
- MPI2_RAID_VOL_STATE_FAILED)
- _scsih_set_volume_delete_flag(ioc,
- le16_to_cpu(event_data->VolDevHandle));
-}
-
-/**
- * _scsih_temp_threshold_events - display temperature threshold exceeded events
- * @ioc: per adapter object
- * @event_data: the temp threshold event data
- * Context: interrupt time.
- *
- * Return nothing.
- */
-static void
-_scsih_temp_threshold_events(struct MPT2SAS_ADAPTER *ioc,
- Mpi2EventDataTemperature_t *event_data)
-{
- if (ioc->temp_sensors_count >= event_data->SensorNum) {
- printk(MPT2SAS_ERR_FMT "Temperature Threshold flags %s%s%s%s"
- " exceeded for Sensor: %d !!!\n", ioc->name,
- ((le16_to_cpu(event_data->Status) & 0x1) == 1) ? "0 " : " ",
- ((le16_to_cpu(event_data->Status) & 0x2) == 2) ? "1 " : " ",
- ((le16_to_cpu(event_data->Status) & 0x4) == 4) ? "2 " : " ",
- ((le16_to_cpu(event_data->Status) & 0x8) == 8) ? "3 " : " ",
- event_data->SensorNum);
- printk(MPT2SAS_ERR_FMT "Current Temp In Celsius: %d\n",
- ioc->name, event_data->CurrentTemperature);
- }
-}
-
-/**
- * _scsih_flush_running_cmds - completing outstanding commands.
- * @ioc: per adapter object
- *
- * The flushing out of all pending scmd commands following host reset,
- * where all IO is dropped to the floor.
- *
- * Return nothing.
- */
-static void
-_scsih_flush_running_cmds(struct MPT2SAS_ADAPTER *ioc)
-{
- struct scsi_cmnd *scmd;
- u16 smid;
- u16 count = 0;
-
- for (smid = 1; smid <= ioc->scsiio_depth; smid++) {
- scmd = _scsih_scsi_lookup_get_clear(ioc, smid);
- if (!scmd)
- continue;
- count++;
- mpt2sas_base_free_smid(ioc, smid);
- scsi_dma_unmap(scmd);
- if (ioc->pci_error_recovery)
- scmd->result = DID_NO_CONNECT << 16;
- else
- scmd->result = DID_RESET << 16;
- scmd->scsi_done(scmd);
- }
- dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "completing %d cmds\n",
- ioc->name, count));
-}
-
-/**
- * _scsih_setup_eedp - setup MPI request for EEDP transfer
- * @scmd: pointer to scsi command object
- * @mpi_request: pointer to the SCSI_IO reqest message frame
- *
- * Supporting protection 1 and 3.
- *
- * Returns nothing
- */
-static void
-_scsih_setup_eedp(struct scsi_cmnd *scmd, Mpi2SCSIIORequest_t *mpi_request)
-{
- u16 eedp_flags;
- unsigned char prot_op = scsi_get_prot_op(scmd);
- unsigned char prot_type = scsi_get_prot_type(scmd);
-
- if (prot_type == SCSI_PROT_DIF_TYPE0 || prot_op == SCSI_PROT_NORMAL)
- return;
-
- if (prot_op == SCSI_PROT_READ_STRIP)
- eedp_flags = MPI2_SCSIIO_EEDPFLAGS_CHECK_REMOVE_OP;
- else if (prot_op == SCSI_PROT_WRITE_INSERT)
- eedp_flags = MPI2_SCSIIO_EEDPFLAGS_INSERT_OP;
- else
- return;
-
- switch (prot_type) {
- case SCSI_PROT_DIF_TYPE1:
- case SCSI_PROT_DIF_TYPE2:
-
- /*
- * enable ref/guard checking
- * auto increment ref tag
- */
- eedp_flags |= MPI2_SCSIIO_EEDPFLAGS_INC_PRI_REFTAG |
- MPI2_SCSIIO_EEDPFLAGS_CHECK_REFTAG |
- MPI2_SCSIIO_EEDPFLAGS_CHECK_GUARD;
- mpi_request->CDB.EEDP32.PrimaryReferenceTag =
- cpu_to_be32(scsi_get_lba(scmd));
- break;
-
- case SCSI_PROT_DIF_TYPE3:
-
- /*
- * enable guard checking
- */
- eedp_flags |= MPI2_SCSIIO_EEDPFLAGS_CHECK_GUARD;
- break;
- }
- mpi_request->EEDPBlockSize = cpu_to_le32(scmd->device->sector_size);
- mpi_request->EEDPFlags = cpu_to_le16(eedp_flags);
-}
-
-/**
- * _scsih_eedp_error_handling - return sense code for EEDP errors
- * @scmd: pointer to scsi command object
- * @ioc_status: ioc status
- *
- * Returns nothing
- */
-static void
-_scsih_eedp_error_handling(struct scsi_cmnd *scmd, u16 ioc_status)
-{
- u8 ascq;
-
- switch (ioc_status) {
- case MPI2_IOCSTATUS_EEDP_GUARD_ERROR:
- ascq = 0x01;
- break;
- case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR:
- ascq = 0x02;
- break;
- case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR:
- ascq = 0x03;
- break;
- default:
- ascq = 0x00;
- break;
- }
-
- scsi_build_sense_buffer(0, scmd->sense_buffer, ILLEGAL_REQUEST, 0x10, ascq);
- scmd->result = DRIVER_SENSE << 24 | (DID_ABORT << 16) |
- SAM_STAT_CHECK_CONDITION;
-}
-
-/**
- * _scsih_scsi_direct_io_get - returns direct io flag
- * @ioc: per adapter object
- * @smid: system request message index
- *
- * Returns the smid stored scmd pointer.
- */
-static inline u8
-_scsih_scsi_direct_io_get(struct MPT2SAS_ADAPTER *ioc, u16 smid)
-{
- return ioc->scsi_lookup[smid - 1].direct_io;
-}
-
-/**
- * _scsih_scsi_direct_io_set - sets direct io flag
- * @ioc: per adapter object
- * @smid: system request message index
- * @direct_io: Zero or non-zero value to set in the direct_io flag
- *
- * Returns Nothing.
- */
-static inline void
-_scsih_scsi_direct_io_set(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 direct_io)
-{
- ioc->scsi_lookup[smid - 1].direct_io = direct_io;
-}
-
-
-/**
- * _scsih_setup_direct_io - setup MPI request for WARPDRIVE Direct I/O
- * @ioc: per adapter object
- * @scmd: pointer to scsi command object
- * @raid_device: pointer to raid device data structure
- * @mpi_request: pointer to the SCSI_IO reqest message frame
- * @smid: system request message index
- *
- * Returns nothing
- */
-static void
-_scsih_setup_direct_io(struct MPT2SAS_ADAPTER *ioc, struct scsi_cmnd *scmd,
- struct _raid_device *raid_device, Mpi2SCSIIORequest_t *mpi_request,
- u16 smid)
-{
- sector_t v_lba, p_lba, stripe_off, column, io_size;
- u32 stripe_sz, stripe_exp;
- u8 num_pds, cmd = scmd->cmnd[0];
-
- if (cmd != READ_10 && cmd != WRITE_10 &&
- cmd != READ_16 && cmd != WRITE_16)
- return;
-
- if (cmd == READ_10 || cmd == WRITE_10)
- v_lba = get_unaligned_be32(&mpi_request->CDB.CDB32[2]);
- else
- v_lba = get_unaligned_be64(&mpi_request->CDB.CDB32[2]);
-
- io_size = scsi_bufflen(scmd) >> raid_device->block_exponent;
-
- if (v_lba + io_size - 1 > raid_device->max_lba)
- return;
-
- stripe_sz = raid_device->stripe_sz;
- stripe_exp = raid_device->stripe_exponent;
- stripe_off = v_lba & (stripe_sz - 1);
-
- /* Return unless IO falls within a stripe */
- if (stripe_off + io_size > stripe_sz)
- return;
-
- num_pds = raid_device->num_pds;
- p_lba = v_lba >> stripe_exp;
- column = sector_div(p_lba, num_pds);
- p_lba = (p_lba << stripe_exp) + stripe_off;
-
- mpi_request->DevHandle = cpu_to_le16(raid_device->pd_handle[column]);
-
- if (cmd == READ_10 || cmd == WRITE_10)
- put_unaligned_be32(lower_32_bits(p_lba),
- &mpi_request->CDB.CDB32[2]);
- else
- put_unaligned_be64(p_lba, &mpi_request->CDB.CDB32[2]);
-
- _scsih_scsi_direct_io_set(ioc, smid, 1);
-}
-
-/**
- * _scsih_qcmd - main scsi request entry point
- * @scmd: pointer to scsi command object
- * @done: function pointer to be invoked on completion
- *
- * The callback index is set inside `ioc->scsi_io_cb_idx`.
- *
- * Returns 0 on success. If there's a failure, return either:
- * SCSI_MLQUEUE_DEVICE_BUSY if the device queue is full, or
- * SCSI_MLQUEUE_HOST_BUSY if the entire host queue is full
- */
-static int
-_scsih_qcmd(struct Scsi_Host *shost, struct scsi_cmnd *scmd)
-{
- struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
- struct MPT2SAS_DEVICE *sas_device_priv_data;
- struct MPT2SAS_TARGET *sas_target_priv_data;
- struct _raid_device *raid_device;
- Mpi2SCSIIORequest_t *mpi_request;
- u32 mpi_control;
- u16 smid;
-
- sas_device_priv_data = scmd->device->hostdata;
- if (!sas_device_priv_data || !sas_device_priv_data->sas_target) {
- scmd->result = DID_NO_CONNECT << 16;
- scmd->scsi_done(scmd);
- return 0;
- }
-
- if (ioc->pci_error_recovery || ioc->remove_host) {
- scmd->result = DID_NO_CONNECT << 16;
- scmd->scsi_done(scmd);
- return 0;
- }
-
- sas_target_priv_data = sas_device_priv_data->sas_target;
- /* invalid device handle */
- if (sas_target_priv_data->handle == MPT2SAS_INVALID_DEVICE_HANDLE) {
- scmd->result = DID_NO_CONNECT << 16;
- scmd->scsi_done(scmd);
- return 0;
- }
-
- /* host recovery or link resets sent via IOCTLs */
- if (ioc->shost_recovery || ioc->ioc_link_reset_in_progress)
- return SCSI_MLQUEUE_HOST_BUSY;
- /* device busy with task management */
- else if (sas_device_priv_data->block || sas_target_priv_data->tm_busy)
- return SCSI_MLQUEUE_DEVICE_BUSY;
- /* device has been deleted */
- else if (sas_target_priv_data->deleted) {
- scmd->result = DID_NO_CONNECT << 16;
- scmd->scsi_done(scmd);
- return 0;
- }
-
- if (scmd->sc_data_direction == DMA_FROM_DEVICE)
- mpi_control = MPI2_SCSIIO_CONTROL_READ;
- else if (scmd->sc_data_direction == DMA_TO_DEVICE)
- mpi_control = MPI2_SCSIIO_CONTROL_WRITE;
- else
- mpi_control = MPI2_SCSIIO_CONTROL_NODATATRANSFER;
-
- /* set tags */
- mpi_control |= MPI2_SCSIIO_CONTROL_SIMPLEQ;
-
- /* Make sure Device is not raid volume.
- * We do not expose raid functionality to upper layer for warpdrive.
- */
- if (!ioc->is_warpdrive && !_scsih_is_raid(&scmd->device->sdev_gendev) &&
- sas_is_tlr_enabled(scmd->device) && scmd->cmd_len != 32)
- mpi_control |= MPI2_SCSIIO_CONTROL_TLR_ON;
-
- smid = mpt2sas_base_get_smid_scsiio(ioc, ioc->scsi_io_cb_idx, scmd);
- if (!smid) {
- printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n",
- ioc->name, __func__);
- goto out;
- }
- mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
- memset(mpi_request, 0, sizeof(Mpi2SCSIIORequest_t));
- _scsih_setup_eedp(scmd, mpi_request);
- if (scmd->cmd_len == 32)
- mpi_control |= 4 << MPI2_SCSIIO_CONTROL_ADDCDBLEN_SHIFT;
- mpi_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST;
- if (sas_device_priv_data->sas_target->flags &
- MPT_TARGET_FLAGS_RAID_COMPONENT)
- mpi_request->Function = MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH;
- else
- mpi_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST;
- mpi_request->DevHandle =
- cpu_to_le16(sas_device_priv_data->sas_target->handle);
- mpi_request->DataLength = cpu_to_le32(scsi_bufflen(scmd));
- mpi_request->Control = cpu_to_le32(mpi_control);
- mpi_request->IoFlags = cpu_to_le16(scmd->cmd_len);
- mpi_request->MsgFlags = MPI2_SCSIIO_MSGFLAGS_SYSTEM_SENSE_ADDR;
- mpi_request->SenseBufferLength = SCSI_SENSE_BUFFERSIZE;
- mpi_request->SenseBufferLowAddress =
- mpt2sas_base_get_sense_buffer_dma(ioc, smid);
- mpi_request->SGLOffset0 = offsetof(Mpi2SCSIIORequest_t, SGL) / 4;
- mpi_request->SGLFlags = cpu_to_le16(MPI2_SCSIIO_SGLFLAGS_TYPE_MPI +
- MPI2_SCSIIO_SGLFLAGS_SYSTEM_ADDR);
- mpi_request->VF_ID = 0; /* TODO */
- mpi_request->VP_ID = 0;
- int_to_scsilun(sas_device_priv_data->lun, (struct scsi_lun *)
- mpi_request->LUN);
- memcpy(mpi_request->CDB.CDB32, scmd->cmnd, scmd->cmd_len);
-
- if (!mpi_request->DataLength) {
- mpt2sas_base_build_zero_len_sge(ioc, &mpi_request->SGL);
- } else {
- if (_scsih_build_scatter_gather(ioc, scmd, smid)) {
- mpt2sas_base_free_smid(ioc, smid);
- goto out;
- }
- }
-
- raid_device = sas_target_priv_data->raid_device;
- if (raid_device && raid_device->direct_io_enabled)
- _scsih_setup_direct_io(ioc, scmd, raid_device, mpi_request,
- smid);
-
- if (likely(mpi_request->Function == MPI2_FUNCTION_SCSI_IO_REQUEST))
- mpt2sas_base_put_smid_scsi_io(ioc, smid,
- le16_to_cpu(mpi_request->DevHandle));
- else
- mpt2sas_base_put_smid_default(ioc, smid);
- return 0;
-
- out:
- return SCSI_MLQUEUE_HOST_BUSY;
-}
-
-/**
- * _scsih_normalize_sense - normalize descriptor and fixed format sense data
- * @sense_buffer: sense data returned by target
- * @data: normalized skey/asc/ascq
- *
- * Return nothing.
- */
-static void
-_scsih_normalize_sense(char *sense_buffer, struct sense_info *data)
-{
- if ((sense_buffer[0] & 0x7F) >= 0x72) {
- /* descriptor format */
- data->skey = sense_buffer[1] & 0x0F;
- data->asc = sense_buffer[2];
- data->ascq = sense_buffer[3];
- } else {
- /* fixed format */
- data->skey = sense_buffer[2] & 0x0F;
- data->asc = sense_buffer[12];
- data->ascq = sense_buffer[13];
- }
-}
-
-#ifdef CONFIG_SCSI_MPT2SAS_LOGGING
-/**
- * _scsih_scsi_ioc_info - translated non-successful SCSI_IO request
- * @ioc: per adapter object
- * @scmd: pointer to scsi command object
- * @mpi_reply: reply mf payload returned from firmware
- *
- * scsi_status - SCSI Status code returned from target device
- * scsi_state - state info associated with SCSI_IO determined by ioc
- * ioc_status - ioc supplied status info
- *
- * Return nothing.
- */
-static void
-_scsih_scsi_ioc_info(struct MPT2SAS_ADAPTER *ioc, struct scsi_cmnd *scmd,
- Mpi2SCSIIOReply_t *mpi_reply, u16 smid)
-{
- u32 response_info;
- u8 *response_bytes;
- u16 ioc_status = le16_to_cpu(mpi_reply->IOCStatus) &
- MPI2_IOCSTATUS_MASK;
- u8 scsi_state = mpi_reply->SCSIState;
- u8 scsi_status = mpi_reply->SCSIStatus;
- char *desc_ioc_state = NULL;
- char *desc_scsi_status = NULL;
- char *desc_scsi_state = ioc->tmp_string;
- u32 log_info = le32_to_cpu(mpi_reply->IOCLogInfo);
- struct _sas_device *sas_device = NULL;
- unsigned long flags;
- struct scsi_target *starget = scmd->device->sdev_target;
- struct MPT2SAS_TARGET *priv_target = starget->hostdata;
- char *device_str = NULL;
-
- if (!priv_target)
- return;
-
- if (ioc->hide_ir_msg)
- device_str = "WarpDrive";
- else
- device_str = "volume";
-
- if (log_info == 0x31170000)
- return;
-
- switch (ioc_status) {
- case MPI2_IOCSTATUS_SUCCESS:
- desc_ioc_state = "success";
- break;
- case MPI2_IOCSTATUS_INVALID_FUNCTION:
- desc_ioc_state = "invalid function";
- break;
- case MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR:
- desc_ioc_state = "scsi recovered error";
- break;
- case MPI2_IOCSTATUS_SCSI_INVALID_DEVHANDLE:
- desc_ioc_state = "scsi invalid dev handle";
- break;
- case MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE:
- desc_ioc_state = "scsi device not there";
- break;
- case MPI2_IOCSTATUS_SCSI_DATA_OVERRUN:
- desc_ioc_state = "scsi data overrun";
- break;
- case MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN:
- desc_ioc_state = "scsi data underrun";
- break;
- case MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR:
- desc_ioc_state = "scsi io data error";
- break;
- case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR:
- desc_ioc_state = "scsi protocol error";
- break;
- case MPI2_IOCSTATUS_SCSI_TASK_TERMINATED:
- desc_ioc_state = "scsi task terminated";
- break;
- case MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH:
- desc_ioc_state = "scsi residual mismatch";
- break;
- case MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED:
- desc_ioc_state = "scsi task mgmt failed";
- break;
- case MPI2_IOCSTATUS_SCSI_IOC_TERMINATED:
- desc_ioc_state = "scsi ioc terminated";
- break;
- case MPI2_IOCSTATUS_SCSI_EXT_TERMINATED:
- desc_ioc_state = "scsi ext terminated";
- break;
- case MPI2_IOCSTATUS_EEDP_GUARD_ERROR:
- desc_ioc_state = "eedp guard error";
- break;
- case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR:
- desc_ioc_state = "eedp ref tag error";
- break;
- case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR:
- desc_ioc_state = "eedp app tag error";
- break;
- default:
- desc_ioc_state = "unknown";
- break;
- }
-
- switch (scsi_status) {
- case MPI2_SCSI_STATUS_GOOD:
- desc_scsi_status = "good";
- break;
- case MPI2_SCSI_STATUS_CHECK_CONDITION:
- desc_scsi_status = "check condition";
- break;
- case MPI2_SCSI_STATUS_CONDITION_MET:
- desc_scsi_status = "condition met";
- break;
- case MPI2_SCSI_STATUS_BUSY:
- desc_scsi_status = "busy";
- break;
- case MPI2_SCSI_STATUS_INTERMEDIATE:
- desc_scsi_status = "intermediate";
- break;
- case MPI2_SCSI_STATUS_INTERMEDIATE_CONDMET:
- desc_scsi_status = "intermediate condmet";
- break;
- case MPI2_SCSI_STATUS_RESERVATION_CONFLICT:
- desc_scsi_status = "reservation conflict";
- break;
- case MPI2_SCSI_STATUS_COMMAND_TERMINATED:
- desc_scsi_status = "command terminated";
- break;
- case MPI2_SCSI_STATUS_TASK_SET_FULL:
- desc_scsi_status = "task set full";
- break;
- case MPI2_SCSI_STATUS_ACA_ACTIVE:
- desc_scsi_status = "aca active";
- break;
- case MPI2_SCSI_STATUS_TASK_ABORTED:
- desc_scsi_status = "task aborted";
- break;
- default:
- desc_scsi_status = "unknown";
- break;
- }
-
- desc_scsi_state[0] = '\0';
- if (!scsi_state)
- desc_scsi_state = " ";
- if (scsi_state & MPI2_SCSI_STATE_RESPONSE_INFO_VALID)
- strcat(desc_scsi_state, "response info ");
- if (scsi_state & MPI2_SCSI_STATE_TERMINATED)
- strcat(desc_scsi_state, "state terminated ");
- if (scsi_state & MPI2_SCSI_STATE_NO_SCSI_STATUS)
- strcat(desc_scsi_state, "no status ");
- if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_FAILED)
- strcat(desc_scsi_state, "autosense failed ");
- if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID)
- strcat(desc_scsi_state, "autosense valid ");
-
- scsi_print_command(scmd);
-
- if (priv_target->flags & MPT_TARGET_FLAGS_VOLUME) {
- printk(MPT2SAS_WARN_FMT "\t%s wwid(0x%016llx)\n", ioc->name,
- device_str, (unsigned long long)priv_target->sas_address);
- } else {
- spin_lock_irqsave(&ioc->sas_device_lock, flags);
- sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc,
- priv_target->sas_address);
- if (sas_device) {
- printk(MPT2SAS_WARN_FMT "\tsas_address(0x%016llx), "
- "phy(%d)\n", ioc->name, sas_device->sas_address,
- sas_device->phy);
- printk(MPT2SAS_WARN_FMT
- "\tenclosure_logical_id(0x%016llx), slot(%d)\n",
- ioc->name, sas_device->enclosure_logical_id,
- sas_device->slot);
- }
- spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
- }
-
- printk(MPT2SAS_WARN_FMT "\thandle(0x%04x), ioc_status(%s)(0x%04x), "
- "smid(%d)\n", ioc->name, le16_to_cpu(mpi_reply->DevHandle),
- desc_ioc_state, ioc_status, smid);
- printk(MPT2SAS_WARN_FMT "\trequest_len(%d), underflow(%d), "
- "resid(%d)\n", ioc->name, scsi_bufflen(scmd), scmd->underflow,
- scsi_get_resid(scmd));
- printk(MPT2SAS_WARN_FMT "\ttag(%d), transfer_count(%d), "
- "sc->result(0x%08x)\n", ioc->name, le16_to_cpu(mpi_reply->TaskTag),
- le32_to_cpu(mpi_reply->TransferCount), scmd->result);
- printk(MPT2SAS_WARN_FMT "\tscsi_status(%s)(0x%02x), "
- "scsi_state(%s)(0x%02x)\n", ioc->name, desc_scsi_status,
- scsi_status, desc_scsi_state, scsi_state);
-
- if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID) {
- struct sense_info data;
- _scsih_normalize_sense(scmd->sense_buffer, &data);
- printk(MPT2SAS_WARN_FMT "\t[sense_key,asc,ascq]: "
- "[0x%02x,0x%02x,0x%02x], count(%d)\n", ioc->name, data.skey,
- data.asc, data.ascq, le32_to_cpu(mpi_reply->SenseCount));
- }
-
- if (scsi_state & MPI2_SCSI_STATE_RESPONSE_INFO_VALID) {
- response_info = le32_to_cpu(mpi_reply->ResponseInfo);
- response_bytes = (u8 *)&response_info;
- _scsih_response_code(ioc, response_bytes[0]);
- }
-}
-#endif
-
-/**
- * _scsih_turn_on_pfa_led - illuminate PFA LED
- * @ioc: per adapter object
- * @handle: device handle
- * Context: process
- *
- * Return nothing.
- */
-static void
-_scsih_turn_on_pfa_led(struct MPT2SAS_ADAPTER *ioc, u16 handle)
-{
- Mpi2SepReply_t mpi_reply;
- Mpi2SepRequest_t mpi_request;
- struct _sas_device *sas_device;
-
- sas_device = _scsih_sas_device_find_by_handle(ioc, handle);
- if (!sas_device)
- return;
-
- memset(&mpi_request, 0, sizeof(Mpi2SepRequest_t));
- mpi_request.Function = MPI2_FUNCTION_SCSI_ENCLOSURE_PROCESSOR;
- mpi_request.Action = MPI2_SEP_REQ_ACTION_WRITE_STATUS;
- mpi_request.SlotStatus =
- cpu_to_le32(MPI2_SEP_REQ_SLOTSTATUS_PREDICTED_FAULT);
- mpi_request.DevHandle = cpu_to_le16(handle);
- mpi_request.Flags = MPI2_SEP_REQ_FLAGS_DEVHANDLE_ADDRESS;
- if ((mpt2sas_base_scsi_enclosure_processor(ioc, &mpi_reply,
- &mpi_request)) != 0) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", ioc->name,
- __FILE__, __LINE__, __func__);
- return;
- }
- sas_device->pfa_led_on = 1;
-
-
- if (mpi_reply.IOCStatus || mpi_reply.IOCLogInfo) {
- dewtprintk(ioc, printk(MPT2SAS_INFO_FMT
- "enclosure_processor: ioc_status (0x%04x), loginfo(0x%08x)\n",
- ioc->name, le16_to_cpu(mpi_reply.IOCStatus),
- le32_to_cpu(mpi_reply.IOCLogInfo)));
- return;
- }
-}
-
-/**
- * _scsih_turn_off_pfa_led - turn off PFA LED
- * @ioc: per adapter object
- * @sas_device: sas device whose PFA LED has to turned off
- * Context: process
- *
- * Return nothing.
- */
-static void
-_scsih_turn_off_pfa_led(struct MPT2SAS_ADAPTER *ioc,
- struct _sas_device *sas_device)
-{
- Mpi2SepReply_t mpi_reply;
- Mpi2SepRequest_t mpi_request;
-
- memset(&mpi_request, 0, sizeof(Mpi2SepRequest_t));
- mpi_request.Function = MPI2_FUNCTION_SCSI_ENCLOSURE_PROCESSOR;
- mpi_request.Action = MPI2_SEP_REQ_ACTION_WRITE_STATUS;
- mpi_request.SlotStatus = 0;
- mpi_request.Slot = cpu_to_le16(sas_device->slot);
- mpi_request.DevHandle = 0;
- mpi_request.EnclosureHandle = cpu_to_le16(sas_device->enclosure_handle);
- mpi_request.Flags = MPI2_SEP_REQ_FLAGS_ENCLOSURE_SLOT_ADDRESS;
- if ((mpt2sas_base_scsi_enclosure_processor(ioc, &mpi_reply,
- &mpi_request)) != 0) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", ioc->name,
- __FILE__, __LINE__, __func__);
- return;
- }
-
- if (mpi_reply.IOCStatus || mpi_reply.IOCLogInfo) {
- dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "enclosure_processor: "
- "ioc_status (0x%04x), loginfo(0x%08x)\n", ioc->name,
- le16_to_cpu(mpi_reply.IOCStatus),
- le32_to_cpu(mpi_reply.IOCLogInfo)));
- return;
- }
-}
-
-/**
- * _scsih_send_event_to_turn_on_pfa_led - fire delayed event
- * @ioc: per adapter object
- * @handle: device handle
- * Context: interrupt.
- *
- * Return nothing.
- */
-static void
-_scsih_send_event_to_turn_on_pfa_led(struct MPT2SAS_ADAPTER *ioc, u16 handle)
-{
- struct fw_event_work *fw_event;
-
- fw_event = kzalloc(sizeof(struct fw_event_work), GFP_ATOMIC);
- if (!fw_event)
- return;
- fw_event->event = MPT2SAS_TURN_ON_PFA_LED;
- fw_event->device_handle = handle;
- fw_event->ioc = ioc;
- _scsih_fw_event_add(ioc, fw_event);
-}
-
-/**
- * _scsih_smart_predicted_fault - process smart errors
- * @ioc: per adapter object
- * @handle: device handle
- * Context: interrupt.
- *
- * Return nothing.
- */
-static void
-_scsih_smart_predicted_fault(struct MPT2SAS_ADAPTER *ioc, u16 handle)
-{
- struct scsi_target *starget;
- struct MPT2SAS_TARGET *sas_target_priv_data;
- Mpi2EventNotificationReply_t *event_reply;
- Mpi2EventDataSasDeviceStatusChange_t *event_data;
- struct _sas_device *sas_device;
- ssize_t sz;
- unsigned long flags;
-
- /* only handle non-raid devices */
- spin_lock_irqsave(&ioc->sas_device_lock, flags);
- sas_device = _scsih_sas_device_find_by_handle(ioc, handle);
- if (!sas_device) {
- spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
- return;
- }
- starget = sas_device->starget;
- sas_target_priv_data = starget->hostdata;
-
- if ((sas_target_priv_data->flags & MPT_TARGET_FLAGS_RAID_COMPONENT) ||
- ((sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME))) {
- spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
- return;
- }
- starget_printk(KERN_WARNING, starget, "predicted fault\n");
- spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
-
- if (ioc->pdev->subsystem_vendor == PCI_VENDOR_ID_IBM)
- _scsih_send_event_to_turn_on_pfa_led(ioc, handle);
-
- /* insert into event log */
- sz = offsetof(Mpi2EventNotificationReply_t, EventData) +
- sizeof(Mpi2EventDataSasDeviceStatusChange_t);
- event_reply = kzalloc(sz, GFP_ATOMIC);
- if (!event_reply) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- return;
- }
-
- event_reply->Function = MPI2_FUNCTION_EVENT_NOTIFICATION;
- event_reply->Event =
- cpu_to_le16(MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE);
- event_reply->MsgLength = sz/4;
- event_reply->EventDataLength =
- cpu_to_le16(sizeof(Mpi2EventDataSasDeviceStatusChange_t)/4);
- event_data = (Mpi2EventDataSasDeviceStatusChange_t *)
- event_reply->EventData;
- event_data->ReasonCode = MPI2_EVENT_SAS_DEV_STAT_RC_SMART_DATA;
- event_data->ASC = 0x5D;
- event_data->DevHandle = cpu_to_le16(handle);
- event_data->SASAddress = cpu_to_le64(sas_target_priv_data->sas_address);
- mpt2sas_ctl_add_to_event_log(ioc, event_reply);
- kfree(event_reply);
-}
-
-/**
- * _scsih_io_done - scsi request callback
- * @ioc: per adapter object
- * @smid: system request message index
- * @msix_index: MSIX table index supplied by the OS
- * @reply: reply message frame(lower 32bit addr)
- *
- * Callback handler when using _scsih_qcmd.
- *
- * Return 1 meaning mf should be freed from _base_interrupt
- * 0 means the mf is freed from this function.
- */
-static u8
-_scsih_io_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply)
-{
- Mpi2SCSIIORequest_t *mpi_request;
- Mpi2SCSIIOReply_t *mpi_reply;
- struct scsi_cmnd *scmd;
- u16 ioc_status;
- u32 xfer_cnt;
- u8 scsi_state;
- u8 scsi_status;
- u32 log_info;
- struct MPT2SAS_DEVICE *sas_device_priv_data;
- u32 response_code = 0;
- unsigned long flags;
-
- mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply);
- scmd = _scsih_scsi_lookup_get_clear(ioc, smid);
- if (scmd == NULL)
- return 1;
-
- mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
-
- if (mpi_reply == NULL) {
- scmd->result = DID_OK << 16;
- goto out;
- }
-
- sas_device_priv_data = scmd->device->hostdata;
- if (!sas_device_priv_data || !sas_device_priv_data->sas_target ||
- sas_device_priv_data->sas_target->deleted) {
- scmd->result = DID_NO_CONNECT << 16;
- goto out;
- }
- ioc_status = le16_to_cpu(mpi_reply->IOCStatus);
- /*
- * WARPDRIVE: If direct_io is set then it is directIO,
- * the failed direct I/O should be redirected to volume
- */
- if (_scsih_scsi_direct_io_get(ioc, smid) &&
- ((ioc_status & MPI2_IOCSTATUS_MASK)
- != MPI2_IOCSTATUS_SCSI_TASK_TERMINATED)) {
- spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
- ioc->scsi_lookup[smid - 1].scmd = scmd;
- _scsih_scsi_direct_io_set(ioc, smid, 0);
- spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
- memcpy(mpi_request->CDB.CDB32, scmd->cmnd, scmd->cmd_len);
- mpi_request->DevHandle =
- cpu_to_le16(sas_device_priv_data->sas_target->handle);
- mpt2sas_base_put_smid_scsi_io(ioc, smid,
- sas_device_priv_data->sas_target->handle);
- return 0;
- }
-
-
- /* turning off TLR */
- scsi_state = mpi_reply->SCSIState;
- if (scsi_state & MPI2_SCSI_STATE_RESPONSE_INFO_VALID)
- response_code =
- le32_to_cpu(mpi_reply->ResponseInfo) & 0xFF;
- if (!sas_device_priv_data->tlr_snoop_check) {
- sas_device_priv_data->tlr_snoop_check++;
- /* Make sure Device is not raid volume.
- * We do not expose raid functionality to upper layer for warpdrive.
- */
- if (!ioc->is_warpdrive && !_scsih_is_raid(&scmd->device->sdev_gendev) &&
- sas_is_tlr_enabled(scmd->device) &&
- response_code == MPI2_SCSITASKMGMT_RSP_INVALID_FRAME) {
- sas_disable_tlr(scmd->device);
- sdev_printk(KERN_INFO, scmd->device, "TLR disabled\n");
- }
- }
-
- xfer_cnt = le32_to_cpu(mpi_reply->TransferCount);
- scsi_set_resid(scmd, scsi_bufflen(scmd) - xfer_cnt);
- if (ioc_status & MPI2_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE)
- log_info = le32_to_cpu(mpi_reply->IOCLogInfo);
- else
- log_info = 0;
- ioc_status &= MPI2_IOCSTATUS_MASK;
- scsi_status = mpi_reply->SCSIStatus;
-
- if (ioc_status == MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN && xfer_cnt == 0 &&
- (scsi_status == MPI2_SCSI_STATUS_BUSY ||
- scsi_status == MPI2_SCSI_STATUS_RESERVATION_CONFLICT ||
- scsi_status == MPI2_SCSI_STATUS_TASK_SET_FULL)) {
- ioc_status = MPI2_IOCSTATUS_SUCCESS;
- }
-
- if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID) {
- struct sense_info data;
- const void *sense_data = mpt2sas_base_get_sense_buffer(ioc,
- smid);
- u32 sz = min_t(u32, SCSI_SENSE_BUFFERSIZE,
- le32_to_cpu(mpi_reply->SenseCount));
- memcpy(scmd->sense_buffer, sense_data, sz);
- _scsih_normalize_sense(scmd->sense_buffer, &data);
- /* failure prediction threshold exceeded */
- if (data.asc == 0x5D)
- _scsih_smart_predicted_fault(ioc,
- le16_to_cpu(mpi_reply->DevHandle));
- }
-
- switch (ioc_status) {
- case MPI2_IOCSTATUS_BUSY:
- case MPI2_IOCSTATUS_INSUFFICIENT_RESOURCES:
- scmd->result = SAM_STAT_BUSY;
- break;
-
- case MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE:
- scmd->result = DID_NO_CONNECT << 16;
- break;
-
- case MPI2_IOCSTATUS_SCSI_IOC_TERMINATED:
- if (sas_device_priv_data->block) {
- scmd->result = DID_TRANSPORT_DISRUPTED << 16;
- goto out;
- }
- if (log_info == 0x32010081) {
- scmd->result = DID_RESET << 16;
- break;
- }
- scmd->result = DID_SOFT_ERROR << 16;
- break;
- case MPI2_IOCSTATUS_SCSI_TASK_TERMINATED:
- case MPI2_IOCSTATUS_SCSI_EXT_TERMINATED:
- scmd->result = DID_RESET << 16;
- break;
-
- case MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH:
- if ((xfer_cnt == 0) || (scmd->underflow > xfer_cnt))
- scmd->result = DID_SOFT_ERROR << 16;
- else
- scmd->result = (DID_OK << 16) | scsi_status;
- break;
-
- case MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN:
- scmd->result = (DID_OK << 16) | scsi_status;
-
- if ((scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID))
- break;
-
- if (xfer_cnt < scmd->underflow) {
- if (scsi_status == SAM_STAT_BUSY)
- scmd->result = SAM_STAT_BUSY;
- else
- scmd->result = DID_SOFT_ERROR << 16;
- } else if (scsi_state & (MPI2_SCSI_STATE_AUTOSENSE_FAILED |
- MPI2_SCSI_STATE_NO_SCSI_STATUS))
- scmd->result = DID_SOFT_ERROR << 16;
- else if (scsi_state & MPI2_SCSI_STATE_TERMINATED)
- scmd->result = DID_RESET << 16;
- else if (!xfer_cnt && scmd->cmnd[0] == REPORT_LUNS) {
- mpi_reply->SCSIState = MPI2_SCSI_STATE_AUTOSENSE_VALID;
- mpi_reply->SCSIStatus = SAM_STAT_CHECK_CONDITION;
- scmd->result = (DRIVER_SENSE << 24) |
- SAM_STAT_CHECK_CONDITION;
- scmd->sense_buffer[0] = 0x70;
- scmd->sense_buffer[2] = ILLEGAL_REQUEST;
- scmd->sense_buffer[12] = 0x20;
- scmd->sense_buffer[13] = 0;
- }
- break;
-
- case MPI2_IOCSTATUS_SCSI_DATA_OVERRUN:
- scsi_set_resid(scmd, 0);
- case MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR:
- case MPI2_IOCSTATUS_SUCCESS:
- scmd->result = (DID_OK << 16) | scsi_status;
- if (response_code ==
- MPI2_SCSITASKMGMT_RSP_INVALID_FRAME ||
- (scsi_state & (MPI2_SCSI_STATE_AUTOSENSE_FAILED |
- MPI2_SCSI_STATE_NO_SCSI_STATUS)))
- scmd->result = DID_SOFT_ERROR << 16;
- else if (scsi_state & MPI2_SCSI_STATE_TERMINATED)
- scmd->result = DID_RESET << 16;
- break;
-
- case MPI2_IOCSTATUS_EEDP_GUARD_ERROR:
- case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR:
- case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR:
- _scsih_eedp_error_handling(scmd, ioc_status);
- break;
- case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR:
- case MPI2_IOCSTATUS_INVALID_FUNCTION:
- case MPI2_IOCSTATUS_INVALID_SGL:
- case MPI2_IOCSTATUS_INTERNAL_ERROR:
- case MPI2_IOCSTATUS_INVALID_FIELD:
- case MPI2_IOCSTATUS_INVALID_STATE:
- case MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR:
- case MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED:
- default:
- scmd->result = DID_SOFT_ERROR << 16;
- break;
-
- }
-
-#ifdef CONFIG_SCSI_MPT2SAS_LOGGING
- if (scmd->result && (ioc->logging_level & MPT_DEBUG_REPLY))
- _scsih_scsi_ioc_info(ioc , scmd, mpi_reply, smid);
-#endif
-
- out:
- scsi_dma_unmap(scmd);
- scmd->scsi_done(scmd);
- return 1;
-}
-
-/**
- * _scsih_sas_host_refresh - refreshing sas host object contents
- * @ioc: per adapter object
- * Context: user
- *
- * During port enable, fw will send topology events for every device. Its
- * possible that the handles may change from the previous setting, so this
- * code keeping handles updating if changed.
- *
- * Return nothing.
- */
-static void
-_scsih_sas_host_refresh(struct MPT2SAS_ADAPTER *ioc)
-{
- u16 sz;
- u16 ioc_status;
- int i;
- Mpi2ConfigReply_t mpi_reply;
- Mpi2SasIOUnitPage0_t *sas_iounit_pg0 = NULL;
- u16 attached_handle;
- u8 link_rate;
-
- dtmprintk(ioc, printk(MPT2SAS_INFO_FMT
- "updating handles for sas_host(0x%016llx)\n",
- ioc->name, (unsigned long long)ioc->sas_hba.sas_address));
-
- sz = offsetof(Mpi2SasIOUnitPage0_t, PhyData) + (ioc->sas_hba.num_phys
- * sizeof(Mpi2SasIOUnit0PhyData_t));
- sas_iounit_pg0 = kzalloc(sz, GFP_KERNEL);
- if (!sas_iounit_pg0) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- return;
- }
-
- if ((mpt2sas_config_get_sas_iounit_pg0(ioc, &mpi_reply,
- sas_iounit_pg0, sz)) != 0)
- goto out;
- ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & MPI2_IOCSTATUS_MASK;
- if (ioc_status != MPI2_IOCSTATUS_SUCCESS)
- goto out;
- for (i = 0; i < ioc->sas_hba.num_phys ; i++) {
- link_rate = sas_iounit_pg0->PhyData[i].NegotiatedLinkRate >> 4;
- if (i == 0)
- ioc->sas_hba.handle = le16_to_cpu(sas_iounit_pg0->
- PhyData[0].ControllerDevHandle);
- ioc->sas_hba.phy[i].handle = ioc->sas_hba.handle;
- attached_handle = le16_to_cpu(sas_iounit_pg0->PhyData[i].
- AttachedDevHandle);
- if (attached_handle && link_rate < MPI2_SAS_NEG_LINK_RATE_1_5)
- link_rate = MPI2_SAS_NEG_LINK_RATE_1_5;
- mpt2sas_transport_update_links(ioc, ioc->sas_hba.sas_address,
- attached_handle, i, link_rate);
- }
- out:
- kfree(sas_iounit_pg0);
-}
-
-/**
- * _scsih_sas_host_add - create sas host object
- * @ioc: per adapter object
- *
- * Creating host side data object, stored in ioc->sas_hba
- *
- * Return nothing.
- */
-static void
-_scsih_sas_host_add(struct MPT2SAS_ADAPTER *ioc)
-{
- int i;
- Mpi2ConfigReply_t mpi_reply;
- Mpi2SasIOUnitPage0_t *sas_iounit_pg0 = NULL;
- Mpi2SasIOUnitPage1_t *sas_iounit_pg1 = NULL;
- Mpi2SasPhyPage0_t phy_pg0;
- Mpi2SasDevicePage0_t sas_device_pg0;
- Mpi2SasEnclosurePage0_t enclosure_pg0;
- u16 ioc_status;
- u16 sz;
- u16 device_missing_delay;
-
- mpt2sas_config_get_number_hba_phys(ioc, &ioc->sas_hba.num_phys);
- if (!ioc->sas_hba.num_phys) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- return;
- }
-
- /* sas_iounit page 0 */
- sz = offsetof(Mpi2SasIOUnitPage0_t, PhyData) + (ioc->sas_hba.num_phys *
- sizeof(Mpi2SasIOUnit0PhyData_t));
- sas_iounit_pg0 = kzalloc(sz, GFP_KERNEL);
- if (!sas_iounit_pg0) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- return;
- }
- if ((mpt2sas_config_get_sas_iounit_pg0(ioc, &mpi_reply,
- sas_iounit_pg0, sz))) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- goto out;
- }
- ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
- MPI2_IOCSTATUS_MASK;
- if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- goto out;
- }
-
- /* sas_iounit page 1 */
- sz = offsetof(Mpi2SasIOUnitPage1_t, PhyData) + (ioc->sas_hba.num_phys *
- sizeof(Mpi2SasIOUnit1PhyData_t));
- sas_iounit_pg1 = kzalloc(sz, GFP_KERNEL);
- if (!sas_iounit_pg1) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- goto out;
- }
- if ((mpt2sas_config_get_sas_iounit_pg1(ioc, &mpi_reply,
- sas_iounit_pg1, sz))) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- goto out;
- }
- ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
- MPI2_IOCSTATUS_MASK;
- if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- goto out;
- }
-
- ioc->io_missing_delay =
- le16_to_cpu(sas_iounit_pg1->IODeviceMissingDelay);
- device_missing_delay =
- le16_to_cpu(sas_iounit_pg1->ReportDeviceMissingDelay);
- if (device_missing_delay & MPI2_SASIOUNIT1_REPORT_MISSING_UNIT_16)
- ioc->device_missing_delay = (device_missing_delay &
- MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK) * 16;
- else
- ioc->device_missing_delay = device_missing_delay &
- MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK;
-
- ioc->sas_hba.parent_dev = &ioc->shost->shost_gendev;
- ioc->sas_hba.phy = kcalloc(ioc->sas_hba.num_phys,
- sizeof(struct _sas_phy), GFP_KERNEL);
- if (!ioc->sas_hba.phy) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- goto out;
- }
- for (i = 0; i < ioc->sas_hba.num_phys ; i++) {
- if ((mpt2sas_config_get_phy_pg0(ioc, &mpi_reply, &phy_pg0,
- i))) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- goto out;
- }
- ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
- MPI2_IOCSTATUS_MASK;
- if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- goto out;
- }
-
- if (i == 0)
- ioc->sas_hba.handle = le16_to_cpu(sas_iounit_pg0->
- PhyData[0].ControllerDevHandle);
- ioc->sas_hba.phy[i].handle = ioc->sas_hba.handle;
- ioc->sas_hba.phy[i].phy_id = i;
- mpt2sas_transport_add_host_phy(ioc, &ioc->sas_hba.phy[i],
- phy_pg0, ioc->sas_hba.parent_dev);
- }
- if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0,
- MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, ioc->sas_hba.handle))) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- goto out;
- }
- ioc->sas_hba.enclosure_handle =
- le16_to_cpu(sas_device_pg0.EnclosureHandle);
- ioc->sas_hba.sas_address = le64_to_cpu(sas_device_pg0.SASAddress);
- printk(MPT2SAS_INFO_FMT "host_add: handle(0x%04x), "
- "sas_addr(0x%016llx), phys(%d)\n", ioc->name, ioc->sas_hba.handle,
- (unsigned long long) ioc->sas_hba.sas_address,
- ioc->sas_hba.num_phys) ;
-
- if (ioc->sas_hba.enclosure_handle) {
- if (!(mpt2sas_config_get_enclosure_pg0(ioc, &mpi_reply,
- &enclosure_pg0,
- MPI2_SAS_ENCLOS_PGAD_FORM_HANDLE,
- ioc->sas_hba.enclosure_handle))) {
- ioc->sas_hba.enclosure_logical_id =
- le64_to_cpu(enclosure_pg0.EnclosureLogicalID);
- }
- }
-
- out:
- kfree(sas_iounit_pg1);
- kfree(sas_iounit_pg0);
-}
-
-/**
- * _scsih_expander_add - creating expander object
- * @ioc: per adapter object
- * @handle: expander handle
- *
- * Creating expander object, stored in ioc->sas_expander_list.
- *
- * Return 0 for success, else error.
- */
-static int
-_scsih_expander_add(struct MPT2SAS_ADAPTER *ioc, u16 handle)
-{
- struct _sas_node *sas_expander;
- Mpi2ConfigReply_t mpi_reply;
- Mpi2ExpanderPage0_t expander_pg0;
- Mpi2ExpanderPage1_t expander_pg1;
- Mpi2SasEnclosurePage0_t enclosure_pg0;
- u32 ioc_status;
- u16 parent_handle;
- u64 sas_address, sas_address_parent = 0;
- int i;
- unsigned long flags;
- struct _sas_port *mpt2sas_port = NULL;
- int rc = 0;
-
- if (!handle)
- return -1;
-
- if (ioc->shost_recovery || ioc->pci_error_recovery)
- return -1;
-
- if ((mpt2sas_config_get_expander_pg0(ioc, &mpi_reply, &expander_pg0,
- MPI2_SAS_EXPAND_PGAD_FORM_HNDL, handle))) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- return -1;
- }
-
- ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
- MPI2_IOCSTATUS_MASK;
- if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- return -1;
- }
-
- /* handle out of order topology events */
- parent_handle = le16_to_cpu(expander_pg0.ParentDevHandle);
- if (_scsih_get_sas_address(ioc, parent_handle, &sas_address_parent)
- != 0) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- return -1;
- }
- if (sas_address_parent != ioc->sas_hba.sas_address) {
- spin_lock_irqsave(&ioc->sas_node_lock, flags);
- sas_expander = mpt2sas_scsih_expander_find_by_sas_address(ioc,
- sas_address_parent);
- spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
- if (!sas_expander) {
- rc = _scsih_expander_add(ioc, parent_handle);
- if (rc != 0)
- return rc;
- }
- }
-
- spin_lock_irqsave(&ioc->sas_node_lock, flags);
- sas_address = le64_to_cpu(expander_pg0.SASAddress);
- sas_expander = mpt2sas_scsih_expander_find_by_sas_address(ioc,
- sas_address);
- spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
-
- if (sas_expander)
- return 0;
-
- sas_expander = kzalloc(sizeof(struct _sas_node),
- GFP_KERNEL);
- if (!sas_expander) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- return -1;
- }
-
- sas_expander->handle = handle;
- sas_expander->num_phys = expander_pg0.NumPhys;
- sas_expander->sas_address_parent = sas_address_parent;
- sas_expander->sas_address = sas_address;
-
- printk(MPT2SAS_INFO_FMT "expander_add: handle(0x%04x),"
- " parent(0x%04x), sas_addr(0x%016llx), phys(%d)\n", ioc->name,
- handle, parent_handle, (unsigned long long)
- sas_expander->sas_address, sas_expander->num_phys);
-
- if (!sas_expander->num_phys)
- goto out_fail;
- sas_expander->phy = kcalloc(sas_expander->num_phys,
- sizeof(struct _sas_phy), GFP_KERNEL);
- if (!sas_expander->phy) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- rc = -1;
- goto out_fail;
- }
-
- INIT_LIST_HEAD(&sas_expander->sas_port_list);
- mpt2sas_port = mpt2sas_transport_port_add(ioc, handle,
- sas_address_parent);
- if (!mpt2sas_port) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- rc = -1;
- goto out_fail;
- }
- sas_expander->parent_dev = &mpt2sas_port->rphy->dev;
-
- for (i = 0 ; i < sas_expander->num_phys ; i++) {
- if ((mpt2sas_config_get_expander_pg1(ioc, &mpi_reply,
- &expander_pg1, i, handle))) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- rc = -1;
- goto out_fail;
- }
- sas_expander->phy[i].handle = handle;
- sas_expander->phy[i].phy_id = i;
-
- if ((mpt2sas_transport_add_expander_phy(ioc,
- &sas_expander->phy[i], expander_pg1,
- sas_expander->parent_dev))) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- rc = -1;
- goto out_fail;
- }
- }
-
- if (sas_expander->enclosure_handle) {
- if (!(mpt2sas_config_get_enclosure_pg0(ioc, &mpi_reply,
- &enclosure_pg0, MPI2_SAS_ENCLOS_PGAD_FORM_HANDLE,
- sas_expander->enclosure_handle))) {
- sas_expander->enclosure_logical_id =
- le64_to_cpu(enclosure_pg0.EnclosureLogicalID);
- }
- }
-
- _scsih_expander_node_add(ioc, sas_expander);
- return 0;
-
- out_fail:
-
- if (mpt2sas_port)
- mpt2sas_transport_port_remove(ioc, sas_expander->sas_address,
- sas_address_parent);
- kfree(sas_expander);
- return rc;
-}
-
-/**
- * _scsih_done - scsih callback handler.
- * @ioc: per adapter object
- * @smid: system request message index
- * @msix_index: MSIX table index supplied by the OS
- * @reply: reply message frame(lower 32bit addr)
- *
- * Callback handler when sending internal generated message frames.
- * The callback index passed is `ioc->scsih_cb_idx`
- *
- * Return 1 meaning mf should be freed from _base_interrupt
- * 0 means the mf is freed from this function.
- */
-static u8
-_scsih_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply)
-{
- MPI2DefaultReply_t *mpi_reply;
-
- mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply);
- if (ioc->scsih_cmds.status == MPT2_CMD_NOT_USED)
- return 1;
- if (ioc->scsih_cmds.smid != smid)
- return 1;
- ioc->scsih_cmds.status |= MPT2_CMD_COMPLETE;
- if (mpi_reply) {
- memcpy(ioc->scsih_cmds.reply, mpi_reply,
- mpi_reply->MsgLength*4);
- ioc->scsih_cmds.status |= MPT2_CMD_REPLY_VALID;
- }
- ioc->scsih_cmds.status &= ~MPT2_CMD_PENDING;
- complete(&ioc->scsih_cmds.done);
- return 1;
-}
-
-/**
- * mpt2sas_expander_remove - removing expander object
- * @ioc: per adapter object
- * @sas_address: expander sas_address
- *
- * Return nothing.
- */
-void
-mpt2sas_expander_remove(struct MPT2SAS_ADAPTER *ioc, u64 sas_address)
-{
- struct _sas_node *sas_expander;
- unsigned long flags;
-
- if (ioc->shost_recovery)
- return;
-
- spin_lock_irqsave(&ioc->sas_node_lock, flags);
- sas_expander = mpt2sas_scsih_expander_find_by_sas_address(ioc,
- sas_address);
- if (sas_expander)
- list_del(&sas_expander->list);
- spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
- if (sas_expander)
- _scsih_expander_node_remove(ioc, sas_expander);
-}
-
-/**
- * _scsih_check_access_status - check access flags
- * @ioc: per adapter object
- * @sas_address: sas address
- * @handle: sas device handle
- * @access_flags: errors returned during discovery of the device
- *
- * Return 0 for success, else failure
- */
-static u8
-_scsih_check_access_status(struct MPT2SAS_ADAPTER *ioc, u64 sas_address,
- u16 handle, u8 access_status)
-{
- u8 rc = 1;
- char *desc = NULL;
-
- switch (access_status) {
- case MPI2_SAS_DEVICE0_ASTATUS_NO_ERRORS:
- case MPI2_SAS_DEVICE0_ASTATUS_SATA_NEEDS_INITIALIZATION:
- rc = 0;
- break;
- case MPI2_SAS_DEVICE0_ASTATUS_SATA_CAPABILITY_FAILED:
- desc = "sata capability failed";
- break;
- case MPI2_SAS_DEVICE0_ASTATUS_SATA_AFFILIATION_CONFLICT:
- desc = "sata affiliation conflict";
- break;
- case MPI2_SAS_DEVICE0_ASTATUS_ROUTE_NOT_ADDRESSABLE:
- desc = "route not addressable";
- break;
- case MPI2_SAS_DEVICE0_ASTATUS_SMP_ERROR_NOT_ADDRESSABLE:
- desc = "smp error not addressable";
- break;
- case MPI2_SAS_DEVICE0_ASTATUS_DEVICE_BLOCKED:
- desc = "device blocked";
- break;
- case MPI2_SAS_DEVICE0_ASTATUS_SATA_INIT_FAILED:
- case MPI2_SAS_DEVICE0_ASTATUS_SIF_UNKNOWN:
- case MPI2_SAS_DEVICE0_ASTATUS_SIF_AFFILIATION_CONFLICT:
- case MPI2_SAS_DEVICE0_ASTATUS_SIF_DIAG:
- case MPI2_SAS_DEVICE0_ASTATUS_SIF_IDENTIFICATION:
- case MPI2_SAS_DEVICE0_ASTATUS_SIF_CHECK_POWER:
- case MPI2_SAS_DEVICE0_ASTATUS_SIF_PIO_SN:
- case MPI2_SAS_DEVICE0_ASTATUS_SIF_MDMA_SN:
- case MPI2_SAS_DEVICE0_ASTATUS_SIF_UDMA_SN:
- case MPI2_SAS_DEVICE0_ASTATUS_SIF_ZONING_VIOLATION:
- case MPI2_SAS_DEVICE0_ASTATUS_SIF_NOT_ADDRESSABLE:
- case MPI2_SAS_DEVICE0_ASTATUS_SIF_MAX:
- desc = "sata initialization failed";
- break;
- default:
- desc = "unknown";
- break;
- }
-
- if (!rc)
- return 0;
-
- printk(MPT2SAS_ERR_FMT "discovery errors(%s): sas_address(0x%016llx), "
- "handle(0x%04x)\n", ioc->name, desc,
- (unsigned long long)sas_address, handle);
- return rc;
-}
-
-static void
-_scsih_check_device(struct MPT2SAS_ADAPTER *ioc, u16 handle)
-{
- Mpi2ConfigReply_t mpi_reply;
- Mpi2SasDevicePage0_t sas_device_pg0;
- struct _sas_device *sas_device;
- u32 ioc_status;
- unsigned long flags;
- u64 sas_address;
- struct scsi_target *starget;
- struct MPT2SAS_TARGET *sas_target_priv_data;
- u32 device_info;
-
-
- if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0,
- MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle)))
- return;
-
- ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & MPI2_IOCSTATUS_MASK;
- if (ioc_status != MPI2_IOCSTATUS_SUCCESS)
- return;
-
- /* check if this is end device */
- device_info = le32_to_cpu(sas_device_pg0.DeviceInfo);
- if (!(_scsih_is_end_device(device_info)))
- return;
-
- spin_lock_irqsave(&ioc->sas_device_lock, flags);
- sas_address = le64_to_cpu(sas_device_pg0.SASAddress);
- sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc,
- sas_address);
-
- if (!sas_device) {
- printk(MPT2SAS_ERR_FMT "device is not present "
- "handle(0x%04x), no sas_device!!!\n", ioc->name, handle);
- spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
- return;
- }
-
- if (unlikely(sas_device->handle != handle)) {
- starget = sas_device->starget;
- sas_target_priv_data = starget->hostdata;
- starget_printk(KERN_INFO, starget, "handle changed from(0x%04x)"
- " to (0x%04x)!!!\n", sas_device->handle, handle);
- sas_target_priv_data->handle = handle;
- sas_device->handle = handle;
- }
-
- /* check if device is present */
- if (!(le16_to_cpu(sas_device_pg0.Flags) &
- MPI2_SAS_DEVICE0_FLAGS_DEVICE_PRESENT)) {
- printk(MPT2SAS_ERR_FMT "device is not present "
- "handle(0x%04x), flags!!!\n", ioc->name, handle);
- spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
- return;
- }
-
- /* check if there were any issues with discovery */
- if (_scsih_check_access_status(ioc, sas_address, handle,
- sas_device_pg0.AccessStatus)) {
- spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
- return;
- }
- spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
- _scsih_ublock_io_device(ioc, sas_address);
-
-}
-
-/**
- * _scsih_add_device - creating sas device object
- * @ioc: per adapter object
- * @handle: sas device handle
- * @phy_num: phy number end device attached to
- * @is_pd: is this hidden raid component
- *
- * Creating end device object, stored in ioc->sas_device_list.
- *
- * Returns 0 for success, non-zero for failure.
- */
-static int
-_scsih_add_device(struct MPT2SAS_ADAPTER *ioc, u16 handle, u8 phy_num, u8 is_pd)
-{
- Mpi2ConfigReply_t mpi_reply;
- Mpi2SasDevicePage0_t sas_device_pg0;
- Mpi2SasEnclosurePage0_t enclosure_pg0;
- struct _sas_device *sas_device;
- u32 ioc_status;
- __le64 sas_address;
- u32 device_info;
- unsigned long flags;
-
- if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0,
- MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- return -1;
- }
-
- ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
- MPI2_IOCSTATUS_MASK;
- if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- return -1;
- }
-
- sas_address = le64_to_cpu(sas_device_pg0.SASAddress);
-
- /* check if device is present */
- if (!(le16_to_cpu(sas_device_pg0.Flags) &
- MPI2_SAS_DEVICE0_FLAGS_DEVICE_PRESENT)) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- printk(MPT2SAS_ERR_FMT "Flags = 0x%04x\n",
- ioc->name, le16_to_cpu(sas_device_pg0.Flags));
- return -1;
- }
-
- /* check if there were any issues with discovery */
- if (_scsih_check_access_status(ioc, sas_address, handle,
- sas_device_pg0.AccessStatus))
- return -1;
-
- /* check if this is end device */
- device_info = le32_to_cpu(sas_device_pg0.DeviceInfo);
- if (!(_scsih_is_end_device(device_info))) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- return -1;
- }
-
-
- spin_lock_irqsave(&ioc->sas_device_lock, flags);
- sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc,
- sas_address);
- spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
-
- if (sas_device)
- return 0;
-
- sas_device = kzalloc(sizeof(struct _sas_device),
- GFP_KERNEL);
- if (!sas_device) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- return -1;
- }
-
- sas_device->handle = handle;
- if (_scsih_get_sas_address(ioc, le16_to_cpu
- (sas_device_pg0.ParentDevHandle),
- &sas_device->sas_address_parent) != 0)
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- sas_device->enclosure_handle =
- le16_to_cpu(sas_device_pg0.EnclosureHandle);
- sas_device->slot =
- le16_to_cpu(sas_device_pg0.Slot);
- sas_device->device_info = device_info;
- sas_device->sas_address = sas_address;
- sas_device->phy = sas_device_pg0.PhyNum;
-
- /* get enclosure_logical_id */
- if (sas_device->enclosure_handle && !(mpt2sas_config_get_enclosure_pg0(
- ioc, &mpi_reply, &enclosure_pg0, MPI2_SAS_ENCLOS_PGAD_FORM_HANDLE,
- sas_device->enclosure_handle)))
- sas_device->enclosure_logical_id =
- le64_to_cpu(enclosure_pg0.EnclosureLogicalID);
-
- /* get device name */
- sas_device->device_name = le64_to_cpu(sas_device_pg0.DeviceName);
-
- if (ioc->wait_for_discovery_to_complete)
- _scsih_sas_device_init_add(ioc, sas_device);
- else
- _scsih_sas_device_add(ioc, sas_device);
-
- return 0;
-}
-
-/**
- * _scsih_remove_device - removing sas device object
- * @ioc: per adapter object
- * @sas_device_delete: the sas_device object
- *
- * Return nothing.
- */
-static void
-_scsih_remove_device(struct MPT2SAS_ADAPTER *ioc,
- struct _sas_device *sas_device)
-{
- struct MPT2SAS_TARGET *sas_target_priv_data;
-
- if ((ioc->pdev->subsystem_vendor == PCI_VENDOR_ID_IBM) &&
- (sas_device->pfa_led_on)) {
- _scsih_turn_off_pfa_led(ioc, sas_device);
- sas_device->pfa_led_on = 0;
- }
-
- dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: enter: "
- "handle(0x%04x), sas_addr(0x%016llx)\n", ioc->name, __func__,
- sas_device->handle, (unsigned long long)
- sas_device->sas_address));
-
- if (sas_device->starget && sas_device->starget->hostdata) {
- sas_target_priv_data = sas_device->starget->hostdata;
- sas_target_priv_data->deleted = 1;
- _scsih_ublock_io_device(ioc, sas_device->sas_address);
- sas_target_priv_data->handle =
- MPT2SAS_INVALID_DEVICE_HANDLE;
- }
-
- if (!ioc->hide_drives)
- mpt2sas_transport_port_remove(ioc,
- sas_device->sas_address,
- sas_device->sas_address_parent);
-
- printk(MPT2SAS_INFO_FMT "removing handle(0x%04x), sas_addr"
- "(0x%016llx)\n", ioc->name, sas_device->handle,
- (unsigned long long) sas_device->sas_address);
-
- dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: exit: "
- "handle(0x%04x), sas_addr(0x%016llx)\n", ioc->name, __func__,
- sas_device->handle, (unsigned long long)
- sas_device->sas_address));
- kfree(sas_device);
-}
-/**
- * _scsih_device_remove_by_handle - removing device object by handle
- * @ioc: per adapter object
- * @handle: device handle
- *
- * Return nothing.
- */
-static void
-_scsih_device_remove_by_handle(struct MPT2SAS_ADAPTER *ioc, u16 handle)
-{
- struct _sas_device *sas_device;
- unsigned long flags;
-
- if (ioc->shost_recovery)
- return;
-
- spin_lock_irqsave(&ioc->sas_device_lock, flags);
- sas_device = _scsih_sas_device_find_by_handle(ioc, handle);
- if (sas_device)
- list_del(&sas_device->list);
- spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
- if (sas_device)
- _scsih_remove_device(ioc, sas_device);
-}
-
-/**
- * mpt2sas_device_remove_by_sas_address - removing device object by sas address
- * @ioc: per adapter object
- * @sas_address: device sas_address
- *
- * Return nothing.
- */
-void
-mpt2sas_device_remove_by_sas_address(struct MPT2SAS_ADAPTER *ioc,
- u64 sas_address)
-{
- struct _sas_device *sas_device;
- unsigned long flags;
-
- if (ioc->shost_recovery)
- return;
-
- spin_lock_irqsave(&ioc->sas_device_lock, flags);
- sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc,
- sas_address);
- if (sas_device)
- list_del(&sas_device->list);
- spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
- if (sas_device)
- _scsih_remove_device(ioc, sas_device);
-}
-#ifdef CONFIG_SCSI_MPT2SAS_LOGGING
-/**
- * _scsih_sas_topology_change_event_debug - debug for topology event
- * @ioc: per adapter object
- * @event_data: event data payload
- * Context: user.
- */
-static void
-_scsih_sas_topology_change_event_debug(struct MPT2SAS_ADAPTER *ioc,
- Mpi2EventDataSasTopologyChangeList_t *event_data)
-{
- int i;
- u16 handle;
- u16 reason_code;
- u8 phy_number;
- char *status_str = NULL;
- u8 link_rate, prev_link_rate;
-
- switch (event_data->ExpStatus) {
- case MPI2_EVENT_SAS_TOPO_ES_ADDED:
- status_str = "add";
- break;
- case MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING:
- status_str = "remove";
- break;
- case MPI2_EVENT_SAS_TOPO_ES_RESPONDING:
- case 0:
- status_str = "responding";
- break;
- case MPI2_EVENT_SAS_TOPO_ES_DELAY_NOT_RESPONDING:
- status_str = "remove delay";
- break;
- default:
- status_str = "unknown status";
- break;
- }
- printk(MPT2SAS_INFO_FMT "sas topology change: (%s)\n",
- ioc->name, status_str);
- printk(KERN_INFO "\thandle(0x%04x), enclosure_handle(0x%04x) "
- "start_phy(%02d), count(%d)\n",
- le16_to_cpu(event_data->ExpanderDevHandle),
- le16_to_cpu(event_data->EnclosureHandle),
- event_data->StartPhyNum, event_data->NumEntries);
- for (i = 0; i < event_data->NumEntries; i++) {
- handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle);
- if (!handle)
- continue;
- phy_number = event_data->StartPhyNum + i;
- reason_code = event_data->PHY[i].PhyStatus &
- MPI2_EVENT_SAS_TOPO_RC_MASK;
- switch (reason_code) {
- case MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED:
- status_str = "target add";
- break;
- case MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING:
- status_str = "target remove";
- break;
- case MPI2_EVENT_SAS_TOPO_RC_DELAY_NOT_RESPONDING:
- status_str = "delay target remove";
- break;
- case MPI2_EVENT_SAS_TOPO_RC_PHY_CHANGED:
- status_str = "link rate change";
- break;
- case MPI2_EVENT_SAS_TOPO_RC_NO_CHANGE:
- status_str = "target responding";
- break;
- default:
- status_str = "unknown";
- break;
- }
- link_rate = event_data->PHY[i].LinkRate >> 4;
- prev_link_rate = event_data->PHY[i].LinkRate & 0xF;
- printk(KERN_INFO "\tphy(%02d), attached_handle(0x%04x): %s:"
- " link rate: new(0x%02x), old(0x%02x)\n", phy_number,
- handle, status_str, link_rate, prev_link_rate);
-
- }
-}
-#endif
-
-/**
- * _scsih_sas_topology_change_event - handle topology changes
- * @ioc: per adapter object
- * @fw_event: The fw_event_work object
- * Context: user.
- *
- */
-static void
-_scsih_sas_topology_change_event(struct MPT2SAS_ADAPTER *ioc,
- struct fw_event_work *fw_event)
-{
- int i;
- u16 parent_handle, handle;
- u16 reason_code;
- u8 phy_number, max_phys;
- struct _sas_node *sas_expander;
- u64 sas_address;
- unsigned long flags;
- u8 link_rate, prev_link_rate;
- Mpi2EventDataSasTopologyChangeList_t *event_data =
- (Mpi2EventDataSasTopologyChangeList_t *)
- fw_event->event_data;
-
-#ifdef CONFIG_SCSI_MPT2SAS_LOGGING
- if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK)
- _scsih_sas_topology_change_event_debug(ioc, event_data);
-#endif
-
- if (ioc->remove_host || ioc->pci_error_recovery)
- return;
-
- if (!ioc->sas_hba.num_phys)
- _scsih_sas_host_add(ioc);
- else
- _scsih_sas_host_refresh(ioc);
-
- if (fw_event->ignore) {
- dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "ignoring expander "
- "event\n", ioc->name));
- return;
- }
-
- parent_handle = le16_to_cpu(event_data->ExpanderDevHandle);
-
- /* handle expander add */
- if (event_data->ExpStatus == MPI2_EVENT_SAS_TOPO_ES_ADDED)
- if (_scsih_expander_add(ioc, parent_handle) != 0)
- return;
-
- spin_lock_irqsave(&ioc->sas_node_lock, flags);
- sas_expander = mpt2sas_scsih_expander_find_by_handle(ioc,
- parent_handle);
- if (sas_expander) {
- sas_address = sas_expander->sas_address;
- max_phys = sas_expander->num_phys;
- } else if (parent_handle < ioc->sas_hba.num_phys) {
- sas_address = ioc->sas_hba.sas_address;
- max_phys = ioc->sas_hba.num_phys;
- } else {
- spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
- return;
- }
- spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
-
- /* handle siblings events */
- for (i = 0; i < event_data->NumEntries; i++) {
- if (fw_event->ignore) {
- dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "ignoring "
- "expander event\n", ioc->name));
- return;
- }
- if (ioc->shost_recovery || ioc->remove_host ||
- ioc->pci_error_recovery)
- return;
- phy_number = event_data->StartPhyNum + i;
- if (phy_number >= max_phys)
- continue;
- reason_code = event_data->PHY[i].PhyStatus &
- MPI2_EVENT_SAS_TOPO_RC_MASK;
- if ((event_data->PHY[i].PhyStatus &
- MPI2_EVENT_SAS_TOPO_PHYSTATUS_VACANT) && (reason_code !=
- MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING))
- continue;
- handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle);
- if (!handle)
- continue;
- link_rate = event_data->PHY[i].LinkRate >> 4;
- prev_link_rate = event_data->PHY[i].LinkRate & 0xF;
- switch (reason_code) {
- case MPI2_EVENT_SAS_TOPO_RC_PHY_CHANGED:
-
- if (ioc->shost_recovery)
- break;
-
- if (link_rate == prev_link_rate)
- break;
-
- mpt2sas_transport_update_links(ioc, sas_address,
- handle, phy_number, link_rate);
-
- if (link_rate < MPI2_SAS_NEG_LINK_RATE_1_5)
- break;
-
- _scsih_check_device(ioc, handle);
- break;
- case MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED:
-
- if (ioc->shost_recovery)
- break;
-
- mpt2sas_transport_update_links(ioc, sas_address,
- handle, phy_number, link_rate);
-
- _scsih_add_device(ioc, handle, phy_number, 0);
- break;
- case MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING:
-
- _scsih_device_remove_by_handle(ioc, handle);
- break;
- }
- }
-
- /* handle expander removal */
- if (event_data->ExpStatus == MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING &&
- sas_expander)
- mpt2sas_expander_remove(ioc, sas_address);
-
-}
-
-#ifdef CONFIG_SCSI_MPT2SAS_LOGGING
-/**
- * _scsih_sas_device_status_change_event_debug - debug for device event
- * @event_data: event data payload
- * Context: user.
- *
- * Return nothing.
- */
-static void
-_scsih_sas_device_status_change_event_debug(struct MPT2SAS_ADAPTER *ioc,
- Mpi2EventDataSasDeviceStatusChange_t *event_data)
-{
- char *reason_str = NULL;
-
- switch (event_data->ReasonCode) {
- case MPI2_EVENT_SAS_DEV_STAT_RC_SMART_DATA:
- reason_str = "smart data";
- break;
- case MPI2_EVENT_SAS_DEV_STAT_RC_UNSUPPORTED:
- reason_str = "unsupported device discovered";
- break;
- case MPI2_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET:
- reason_str = "internal device reset";
- break;
- case MPI2_EVENT_SAS_DEV_STAT_RC_TASK_ABORT_INTERNAL:
- reason_str = "internal task abort";
- break;
- case MPI2_EVENT_SAS_DEV_STAT_RC_ABORT_TASK_SET_INTERNAL:
- reason_str = "internal task abort set";
- break;
- case MPI2_EVENT_SAS_DEV_STAT_RC_CLEAR_TASK_SET_INTERNAL:
- reason_str = "internal clear task set";
- break;
- case MPI2_EVENT_SAS_DEV_STAT_RC_QUERY_TASK_INTERNAL:
- reason_str = "internal query task";
- break;
- case MPI2_EVENT_SAS_DEV_STAT_RC_SATA_INIT_FAILURE:
- reason_str = "sata init failure";
- break;
- case MPI2_EVENT_SAS_DEV_STAT_RC_CMP_INTERNAL_DEV_RESET:
- reason_str = "internal device reset complete";
- break;
- case MPI2_EVENT_SAS_DEV_STAT_RC_CMP_TASK_ABORT_INTERNAL:
- reason_str = "internal task abort complete";
- break;
- case MPI2_EVENT_SAS_DEV_STAT_RC_ASYNC_NOTIFICATION:
- reason_str = "internal async notification";
- break;
- case MPI2_EVENT_SAS_DEV_STAT_RC_EXPANDER_REDUCED_FUNCTIONALITY:
- reason_str = "expander reduced functionality";
- break;
- case MPI2_EVENT_SAS_DEV_STAT_RC_CMP_EXPANDER_REDUCED_FUNCTIONALITY:
- reason_str = "expander reduced functionality complete";
- break;
- default:
- reason_str = "unknown reason";
- break;
- }
- printk(MPT2SAS_INFO_FMT "device status change: (%s)\n"
- "\thandle(0x%04x), sas address(0x%016llx), tag(%d)",
- ioc->name, reason_str, le16_to_cpu(event_data->DevHandle),
- (unsigned long long)le64_to_cpu(event_data->SASAddress),
- le16_to_cpu(event_data->TaskTag));
- if (event_data->ReasonCode == MPI2_EVENT_SAS_DEV_STAT_RC_SMART_DATA)
- printk(MPT2SAS_INFO_FMT ", ASC(0x%x), ASCQ(0x%x)\n", ioc->name,
- event_data->ASC, event_data->ASCQ);
- printk(KERN_INFO "\n");
-}
-#endif
-
-/**
- * _scsih_sas_device_status_change_event - handle device status change
- * @ioc: per adapter object
- * @fw_event: The fw_event_work object
- * Context: user.
- *
- * Return nothing.
- */
-static void
-_scsih_sas_device_status_change_event(struct MPT2SAS_ADAPTER *ioc,
- struct fw_event_work *fw_event)
-{
- struct MPT2SAS_TARGET *target_priv_data;
- struct _sas_device *sas_device;
- u64 sas_address;
- unsigned long flags;
- Mpi2EventDataSasDeviceStatusChange_t *event_data =
- (Mpi2EventDataSasDeviceStatusChange_t *)
- fw_event->event_data;
-
-#ifdef CONFIG_SCSI_MPT2SAS_LOGGING
- if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK)
- _scsih_sas_device_status_change_event_debug(ioc,
- event_data);
-#endif
-
- /* In MPI Revision K (0xC), the internal device reset complete was
- * implemented, so avoid setting tm_busy flag for older firmware.
- */
- if ((ioc->facts.HeaderVersion >> 8) < 0xC)
- return;
-
- if (event_data->ReasonCode !=
- MPI2_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET &&
- event_data->ReasonCode !=
- MPI2_EVENT_SAS_DEV_STAT_RC_CMP_INTERNAL_DEV_RESET)
- return;
-
- spin_lock_irqsave(&ioc->sas_device_lock, flags);
- sas_address = le64_to_cpu(event_data->SASAddress);
- sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc,
- sas_address);
-
- if (!sas_device || !sas_device->starget) {
- spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
- return;
- }
-
- target_priv_data = sas_device->starget->hostdata;
- if (!target_priv_data) {
- spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
- return;
- }
-
- if (event_data->ReasonCode ==
- MPI2_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET)
- target_priv_data->tm_busy = 1;
- else
- target_priv_data->tm_busy = 0;
- spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
-}
-
-#ifdef CONFIG_SCSI_MPT2SAS_LOGGING
-/**
- * _scsih_sas_enclosure_dev_status_change_event_debug - debug for enclosure event
- * @ioc: per adapter object
- * @event_data: event data payload
- * Context: user.
- *
- * Return nothing.
- */
-static void
-_scsih_sas_enclosure_dev_status_change_event_debug(struct MPT2SAS_ADAPTER *ioc,
- Mpi2EventDataSasEnclDevStatusChange_t *event_data)
-{
- char *reason_str = NULL;
-
- switch (event_data->ReasonCode) {
- case MPI2_EVENT_SAS_ENCL_RC_ADDED:
- reason_str = "enclosure add";
- break;
- case MPI2_EVENT_SAS_ENCL_RC_NOT_RESPONDING:
- reason_str = "enclosure remove";
- break;
- default:
- reason_str = "unknown reason";
- break;
- }
-
- printk(MPT2SAS_INFO_FMT "enclosure status change: (%s)\n"
- "\thandle(0x%04x), enclosure logical id(0x%016llx)"
- " number slots(%d)\n", ioc->name, reason_str,
- le16_to_cpu(event_data->EnclosureHandle),
- (unsigned long long)le64_to_cpu(event_data->EnclosureLogicalID),
- le16_to_cpu(event_data->StartSlot));
-}
-#endif
-
-/**
- * _scsih_sas_enclosure_dev_status_change_event - handle enclosure events
- * @ioc: per adapter object
- * @fw_event: The fw_event_work object
- * Context: user.
- *
- * Return nothing.
- */
-static void
-_scsih_sas_enclosure_dev_status_change_event(struct MPT2SAS_ADAPTER *ioc,
- struct fw_event_work *fw_event)
-{
-#ifdef CONFIG_SCSI_MPT2SAS_LOGGING
- if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK)
- _scsih_sas_enclosure_dev_status_change_event_debug(ioc,
- (Mpi2EventDataSasEnclDevStatusChange_t *)
- fw_event->event_data);
-#endif
-}
-
-/**
- * _scsih_sas_broadcast_primitive_event - handle broadcast events
- * @ioc: per adapter object
- * @fw_event: The fw_event_work object
- * Context: user.
- *
- * Return nothing.
- */
-static void
-_scsih_sas_broadcast_primitive_event(struct MPT2SAS_ADAPTER *ioc,
- struct fw_event_work *fw_event)
-{
- struct scsi_cmnd *scmd;
- struct scsi_device *sdev;
- u16 smid, handle;
- u32 lun;
- struct MPT2SAS_DEVICE *sas_device_priv_data;
- u32 termination_count;
- u32 query_count;
- Mpi2SCSITaskManagementReply_t *mpi_reply;
- Mpi2EventDataSasBroadcastPrimitive_t *event_data =
- (Mpi2EventDataSasBroadcastPrimitive_t *)
- fw_event->event_data;
- u16 ioc_status;
- unsigned long flags;
- int r;
- u8 max_retries = 0;
- u8 task_abort_retries;
-
- mutex_lock(&ioc->tm_cmds.mutex);
- pr_info(MPT2SAS_FMT
- "%s: enter: phy number(%d), width(%d)\n",
- ioc->name, __func__, event_data->PhyNum,
- event_data->PortWidth);
-
- _scsih_block_io_all_device(ioc);
-
- spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
- mpi_reply = ioc->tm_cmds.reply;
-broadcast_aen_retry:
-
- /* sanity checks for retrying this loop */
- if (max_retries++ == 5) {
- dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: giving up\n",
- ioc->name, __func__));
- goto out;
- } else if (max_retries > 1)
- dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: %d retry\n",
- ioc->name, __func__, max_retries - 1));
-
- termination_count = 0;
- query_count = 0;
- for (smid = 1; smid <= ioc->scsiio_depth; smid++) {
- if (ioc->shost_recovery)
- goto out;
- scmd = _scsih_scsi_lookup_get(ioc, smid);
- if (!scmd)
- continue;
- sdev = scmd->device;
- sas_device_priv_data = sdev->hostdata;
- if (!sas_device_priv_data || !sas_device_priv_data->sas_target)
- continue;
- /* skip hidden raid components */
- if (sas_device_priv_data->sas_target->flags &
- MPT_TARGET_FLAGS_RAID_COMPONENT)
- continue;
- /* skip volumes */
- if (sas_device_priv_data->sas_target->flags &
- MPT_TARGET_FLAGS_VOLUME)
- continue;
-
- handle = sas_device_priv_data->sas_target->handle;
- lun = sas_device_priv_data->lun;
- query_count++;
-
- if (ioc->shost_recovery)
- goto out;
-
- spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
- r = mpt2sas_scsih_issue_tm(ioc, handle, 0, 0, lun,
- MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK, smid, 30,
- TM_MUTEX_OFF);
- if (r == FAILED) {
- sdev_printk(KERN_WARNING, sdev,
- "mpt2sas_scsih_issue_tm: FAILED when sending "
- "QUERY_TASK: scmd(%p)\n", scmd);
- spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
- goto broadcast_aen_retry;
- }
- ioc_status = le16_to_cpu(mpi_reply->IOCStatus)
- & MPI2_IOCSTATUS_MASK;
- if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
- sdev_printk(KERN_WARNING, sdev, "query task: FAILED "
- "with IOCSTATUS(0x%04x), scmd(%p)\n", ioc_status,
- scmd);
- spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
- goto broadcast_aen_retry;
- }
-
- /* see if IO is still owned by IOC and target */
- if (mpi_reply->ResponseCode ==
- MPI2_SCSITASKMGMT_RSP_TM_SUCCEEDED ||
- mpi_reply->ResponseCode ==
- MPI2_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC) {
- spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
- continue;
- }
- task_abort_retries = 0;
- tm_retry:
- if (task_abort_retries++ == 60) {
- dewtprintk(ioc, printk(MPT2SAS_INFO_FMT
- "%s: ABORT_TASK: giving up\n", ioc->name,
- __func__));
- spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
- goto broadcast_aen_retry;
- }
-
- if (ioc->shost_recovery)
- goto out_no_lock;
-
- r = mpt2sas_scsih_issue_tm(ioc, handle, sdev->channel, sdev->id,
- sdev->lun, MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK, smid, 30,
- TM_MUTEX_OFF);
- if (r == FAILED) {
- sdev_printk(KERN_WARNING, sdev,
- "mpt2sas_scsih_issue_tm: ABORT_TASK: FAILED : "
- "scmd(%p)\n", scmd);
- goto tm_retry;
- }
-
- if (task_abort_retries > 1)
- sdev_printk(KERN_WARNING, sdev,
- "mpt2sas_scsih_issue_tm: ABORT_TASK: RETRIES (%d):"
- " scmd(%p)\n",
- task_abort_retries - 1, scmd);
-
- termination_count += le32_to_cpu(mpi_reply->TerminationCount);
- spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
- }
-
- if (ioc->broadcast_aen_pending) {
- dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: loop back due to"
- " pending AEN\n", ioc->name, __func__));
- ioc->broadcast_aen_pending = 0;
- goto broadcast_aen_retry;
- }
-
- out:
- spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
- out_no_lock:
-
- dewtprintk(ioc, printk(MPT2SAS_INFO_FMT
- "%s - exit, query_count = %d termination_count = %d\n",
- ioc->name, __func__, query_count, termination_count));
-
- ioc->broadcast_aen_busy = 0;
- if (!ioc->shost_recovery)
- _scsih_ublock_io_all_device(ioc);
- mutex_unlock(&ioc->tm_cmds.mutex);
-}
-
-/**
- * _scsih_sas_discovery_event - handle discovery events
- * @ioc: per adapter object
- * @fw_event: The fw_event_work object
- * Context: user.
- *
- * Return nothing.
- */
-static void
-_scsih_sas_discovery_event(struct MPT2SAS_ADAPTER *ioc,
- struct fw_event_work *fw_event)
-{
- Mpi2EventDataSasDiscovery_t *event_data =
- (Mpi2EventDataSasDiscovery_t *)
- fw_event->event_data;
-
-#ifdef CONFIG_SCSI_MPT2SAS_LOGGING
- if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) {
- printk(MPT2SAS_INFO_FMT "discovery event: (%s)", ioc->name,
- (event_data->ReasonCode == MPI2_EVENT_SAS_DISC_RC_STARTED) ?
- "start" : "stop");
- if (event_data->DiscoveryStatus)
- printk("discovery_status(0x%08x)",
- le32_to_cpu(event_data->DiscoveryStatus));
- printk("\n");
- }
-#endif
-
- if (event_data->ReasonCode == MPI2_EVENT_SAS_DISC_RC_STARTED &&
- !ioc->sas_hba.num_phys) {
- if (disable_discovery > 0 && ioc->shost_recovery) {
- /* Wait for the reset to complete */
- while (ioc->shost_recovery)
- ssleep(1);
- }
- _scsih_sas_host_add(ioc);
- }
-}
-
-/**
- * _scsih_reprobe_lun - reprobing lun
- * @sdev: scsi device struct
- * @no_uld_attach: sdev->no_uld_attach flag setting
- *
- **/
-static void
-_scsih_reprobe_lun(struct scsi_device *sdev, void *no_uld_attach)
-{
- int rc;
-
- sdev->no_uld_attach = no_uld_attach ? 1 : 0;
- sdev_printk(KERN_INFO, sdev, "%s raid component\n",
- sdev->no_uld_attach ? "hidding" : "exposing");
- rc = scsi_device_reprobe(sdev);
-}
-
-/**
- * _scsih_sas_volume_add - add new volume
- * @ioc: per adapter object
- * @element: IR config element data
- * Context: user.
- *
- * Return nothing.
- */
-static void
-_scsih_sas_volume_add(struct MPT2SAS_ADAPTER *ioc,
- Mpi2EventIrConfigElement_t *element)
-{
- struct _raid_device *raid_device;
- unsigned long flags;
- u64 wwid;
- u16 handle = le16_to_cpu(element->VolDevHandle);
- int rc;
-
- mpt2sas_config_get_volume_wwid(ioc, handle, &wwid);
- if (!wwid) {
- printk(MPT2SAS_ERR_FMT
- "failure at %s:%d/%s()!\n", ioc->name,
- __FILE__, __LINE__, __func__);
- return;
- }
-
- spin_lock_irqsave(&ioc->raid_device_lock, flags);
- raid_device = _scsih_raid_device_find_by_wwid(ioc, wwid);
- spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
-
- if (raid_device)
- return;
-
- raid_device = kzalloc(sizeof(struct _raid_device), GFP_KERNEL);
- if (!raid_device) {
- printk(MPT2SAS_ERR_FMT
- "failure at %s:%d/%s()!\n", ioc->name,
- __FILE__, __LINE__, __func__);
- return;
- }
-
- raid_device->id = ioc->sas_id++;
- raid_device->channel = RAID_CHANNEL;
- raid_device->handle = handle;
- raid_device->wwid = wwid;
- _scsih_raid_device_add(ioc, raid_device);
- if (!ioc->wait_for_discovery_to_complete) {
- rc = scsi_add_device(ioc->shost, RAID_CHANNEL,
- raid_device->id, 0);
- if (rc)
- _scsih_raid_device_remove(ioc, raid_device);
- } else {
- spin_lock_irqsave(&ioc->raid_device_lock, flags);
- _scsih_determine_boot_device(ioc, raid_device, 1);
- spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
- }
-}
-
-/**
- * _scsih_sas_volume_delete - delete volume
- * @ioc: per adapter object
- * @handle: volume device handle
- * Context: user.
- *
- * Return nothing.
- */
-static void
-_scsih_sas_volume_delete(struct MPT2SAS_ADAPTER *ioc, u16 handle)
-{
- struct _raid_device *raid_device;
- unsigned long flags;
- struct MPT2SAS_TARGET *sas_target_priv_data;
- struct scsi_target *starget = NULL;
-
- spin_lock_irqsave(&ioc->raid_device_lock, flags);
- raid_device = _scsih_raid_device_find_by_handle(ioc, handle);
- if (raid_device) {
- if (raid_device->starget) {
- starget = raid_device->starget;
- sas_target_priv_data = starget->hostdata;
- sas_target_priv_data->deleted = 1;
- }
- printk(MPT2SAS_INFO_FMT "removing handle(0x%04x), wwid"
- "(0x%016llx)\n", ioc->name, raid_device->handle,
- (unsigned long long) raid_device->wwid);
- list_del(&raid_device->list);
- kfree(raid_device);
- }
- spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
- if (starget)
- scsi_remove_target(&starget->dev);
-}
-
-/**
- * _scsih_sas_pd_expose - expose pd component to /dev/sdX
- * @ioc: per adapter object
- * @element: IR config element data
- * Context: user.
- *
- * Return nothing.
- */
-static void
-_scsih_sas_pd_expose(struct MPT2SAS_ADAPTER *ioc,
- Mpi2EventIrConfigElement_t *element)
-{
- struct _sas_device *sas_device;
- struct scsi_target *starget = NULL;
- struct MPT2SAS_TARGET *sas_target_priv_data;
- unsigned long flags;
- u16 handle = le16_to_cpu(element->PhysDiskDevHandle);
-
- spin_lock_irqsave(&ioc->sas_device_lock, flags);
- sas_device = _scsih_sas_device_find_by_handle(ioc, handle);
- if (sas_device) {
- sas_device->volume_handle = 0;
- sas_device->volume_wwid = 0;
- clear_bit(handle, ioc->pd_handles);
- if (sas_device->starget && sas_device->starget->hostdata) {
- starget = sas_device->starget;
- sas_target_priv_data = starget->hostdata;
- sas_target_priv_data->flags &=
- ~MPT_TARGET_FLAGS_RAID_COMPONENT;
- }
- }
- spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
- if (!sas_device)
- return;
-
- /* exposing raid component */
- if (starget)
- starget_for_each_device(starget, NULL, _scsih_reprobe_lun);
-}
-
-/**
- * _scsih_sas_pd_hide - hide pd component from /dev/sdX
- * @ioc: per adapter object
- * @element: IR config element data
- * Context: user.
- *
- * Return nothing.
- */
-static void
-_scsih_sas_pd_hide(struct MPT2SAS_ADAPTER *ioc,
- Mpi2EventIrConfigElement_t *element)
-{
- struct _sas_device *sas_device;
- struct scsi_target *starget = NULL;
- struct MPT2SAS_TARGET *sas_target_priv_data;
- unsigned long flags;
- u16 handle = le16_to_cpu(element->PhysDiskDevHandle);
- u16 volume_handle = 0;
- u64 volume_wwid = 0;
-
- mpt2sas_config_get_volume_handle(ioc, handle, &volume_handle);
- if (volume_handle)
- mpt2sas_config_get_volume_wwid(ioc, volume_handle,
- &volume_wwid);
-
- spin_lock_irqsave(&ioc->sas_device_lock, flags);
- sas_device = _scsih_sas_device_find_by_handle(ioc, handle);
- if (sas_device) {
- set_bit(handle, ioc->pd_handles);
- if (sas_device->starget && sas_device->starget->hostdata) {
- starget = sas_device->starget;
- sas_target_priv_data = starget->hostdata;
- sas_target_priv_data->flags |=
- MPT_TARGET_FLAGS_RAID_COMPONENT;
- sas_device->volume_handle = volume_handle;
- sas_device->volume_wwid = volume_wwid;
- }
- }
- spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
- if (!sas_device)
- return;
-
- /* hiding raid component */
- if (starget)
- starget_for_each_device(starget, (void *)1, _scsih_reprobe_lun);
-}
-
-/**
- * _scsih_sas_pd_delete - delete pd component
- * @ioc: per adapter object
- * @element: IR config element data
- * Context: user.
- *
- * Return nothing.
- */
-static void
-_scsih_sas_pd_delete(struct MPT2SAS_ADAPTER *ioc,
- Mpi2EventIrConfigElement_t *element)
-{
- u16 handle = le16_to_cpu(element->PhysDiskDevHandle);
-
- _scsih_device_remove_by_handle(ioc, handle);
-}
-
-/**
- * _scsih_sas_pd_add - remove pd component
- * @ioc: per adapter object
- * @element: IR config element data
- * Context: user.
- *
- * Return nothing.
- */
-static void
-_scsih_sas_pd_add(struct MPT2SAS_ADAPTER *ioc,
- Mpi2EventIrConfigElement_t *element)
-{
- struct _sas_device *sas_device;
- unsigned long flags;
- u16 handle = le16_to_cpu(element->PhysDiskDevHandle);
- Mpi2ConfigReply_t mpi_reply;
- Mpi2SasDevicePage0_t sas_device_pg0;
- u32 ioc_status;
- u64 sas_address;
- u16 parent_handle;
-
- set_bit(handle, ioc->pd_handles);
-
- spin_lock_irqsave(&ioc->sas_device_lock, flags);
- sas_device = _scsih_sas_device_find_by_handle(ioc, handle);
- spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
- if (sas_device)
- return;
-
- if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0,
- MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- return;
- }
-
- ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
- MPI2_IOCSTATUS_MASK;
- if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- return;
- }
-
- parent_handle = le16_to_cpu(sas_device_pg0.ParentDevHandle);
- if (!_scsih_get_sas_address(ioc, parent_handle, &sas_address))
- mpt2sas_transport_update_links(ioc, sas_address, handle,
- sas_device_pg0.PhyNum, MPI2_SAS_NEG_LINK_RATE_1_5);
-
- _scsih_add_device(ioc, handle, 0, 1);
-}
-
-#ifdef CONFIG_SCSI_MPT2SAS_LOGGING
-/**
- * _scsih_sas_ir_config_change_event_debug - debug for IR Config Change events
- * @ioc: per adapter object
- * @event_data: event data payload
- * Context: user.
- *
- * Return nothing.
- */
-static void
-_scsih_sas_ir_config_change_event_debug(struct MPT2SAS_ADAPTER *ioc,
- Mpi2EventDataIrConfigChangeList_t *event_data)
-{
- Mpi2EventIrConfigElement_t *element;
- u8 element_type;
- int i;
- char *reason_str = NULL, *element_str = NULL;
-
- element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0];
-
- printk(MPT2SAS_INFO_FMT "raid config change: (%s), elements(%d)\n",
- ioc->name, (le32_to_cpu(event_data->Flags) &
- MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG) ?
- "foreign" : "native", event_data->NumElements);
- for (i = 0; i < event_data->NumElements; i++, element++) {
- switch (element->ReasonCode) {
- case MPI2_EVENT_IR_CHANGE_RC_ADDED:
- reason_str = "add";
- break;
- case MPI2_EVENT_IR_CHANGE_RC_REMOVED:
- reason_str = "remove";
- break;
- case MPI2_EVENT_IR_CHANGE_RC_NO_CHANGE:
- reason_str = "no change";
- break;
- case MPI2_EVENT_IR_CHANGE_RC_HIDE:
- reason_str = "hide";
- break;
- case MPI2_EVENT_IR_CHANGE_RC_UNHIDE:
- reason_str = "unhide";
- break;
- case MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED:
- reason_str = "volume_created";
- break;
- case MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED:
- reason_str = "volume_deleted";
- break;
- case MPI2_EVENT_IR_CHANGE_RC_PD_CREATED:
- reason_str = "pd_created";
- break;
- case MPI2_EVENT_IR_CHANGE_RC_PD_DELETED:
- reason_str = "pd_deleted";
- break;
- default:
- reason_str = "unknown reason";
- break;
- }
- element_type = le16_to_cpu(element->ElementFlags) &
- MPI2_EVENT_IR_CHANGE_EFLAGS_ELEMENT_TYPE_MASK;
- switch (element_type) {
- case MPI2_EVENT_IR_CHANGE_EFLAGS_VOLUME_ELEMENT:
- element_str = "volume";
- break;
- case MPI2_EVENT_IR_CHANGE_EFLAGS_VOLPHYSDISK_ELEMENT:
- element_str = "phys disk";
- break;
- case MPI2_EVENT_IR_CHANGE_EFLAGS_HOTSPARE_ELEMENT:
- element_str = "hot spare";
- break;
- default:
- element_str = "unknown element";
- break;
- }
- printk(KERN_INFO "\t(%s:%s), vol handle(0x%04x), "
- "pd handle(0x%04x), pd num(0x%02x)\n", element_str,
- reason_str, le16_to_cpu(element->VolDevHandle),
- le16_to_cpu(element->PhysDiskDevHandle),
- element->PhysDiskNum);
- }
-}
-#endif
-
-/**
- * _scsih_sas_ir_config_change_event - handle ir configuration change events
- * @ioc: per adapter object
- * @fw_event: The fw_event_work object
- * Context: user.
- *
- * Return nothing.
- */
-static void
-_scsih_sas_ir_config_change_event(struct MPT2SAS_ADAPTER *ioc,
- struct fw_event_work *fw_event)
-{
- Mpi2EventIrConfigElement_t *element;
- int i;
- u8 foreign_config;
- Mpi2EventDataIrConfigChangeList_t *event_data =
- (Mpi2EventDataIrConfigChangeList_t *)
- fw_event->event_data;
-
-#ifdef CONFIG_SCSI_MPT2SAS_LOGGING
- if ((ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK)
- && !ioc->hide_ir_msg)
- _scsih_sas_ir_config_change_event_debug(ioc, event_data);
-
-#endif
-
- if (ioc->shost_recovery)
- return;
-
- foreign_config = (le32_to_cpu(event_data->Flags) &
- MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG) ? 1 : 0;
-
- element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0];
- for (i = 0; i < event_data->NumElements; i++, element++) {
-
- switch (element->ReasonCode) {
- case MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED:
- case MPI2_EVENT_IR_CHANGE_RC_ADDED:
- if (!foreign_config)
- _scsih_sas_volume_add(ioc, element);
- break;
- case MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED:
- case MPI2_EVENT_IR_CHANGE_RC_REMOVED:
- if (!foreign_config)
- _scsih_sas_volume_delete(ioc,
- le16_to_cpu(element->VolDevHandle));
- break;
- case MPI2_EVENT_IR_CHANGE_RC_PD_CREATED:
- if (!ioc->is_warpdrive)
- _scsih_sas_pd_hide(ioc, element);
- break;
- case MPI2_EVENT_IR_CHANGE_RC_PD_DELETED:
- if (!ioc->is_warpdrive)
- _scsih_sas_pd_expose(ioc, element);
- break;
- case MPI2_EVENT_IR_CHANGE_RC_HIDE:
- if (!ioc->is_warpdrive)
- _scsih_sas_pd_add(ioc, element);
- break;
- case MPI2_EVENT_IR_CHANGE_RC_UNHIDE:
- if (!ioc->is_warpdrive)
- _scsih_sas_pd_delete(ioc, element);
- break;
- }
- }
-}
-
-/**
- * _scsih_sas_ir_volume_event - IR volume event
- * @ioc: per adapter object
- * @fw_event: The fw_event_work object
- * Context: user.
- *
- * Return nothing.
- */
-static void
-_scsih_sas_ir_volume_event(struct MPT2SAS_ADAPTER *ioc,
- struct fw_event_work *fw_event)
-{
- u64 wwid;
- unsigned long flags;
- struct _raid_device *raid_device;
- u16 handle;
- u32 state;
- int rc;
- Mpi2EventDataIrVolume_t *event_data =
- (Mpi2EventDataIrVolume_t *)
- fw_event->event_data;
-
- if (ioc->shost_recovery)
- return;
-
- if (event_data->ReasonCode != MPI2_EVENT_IR_VOLUME_RC_STATE_CHANGED)
- return;
-
- handle = le16_to_cpu(event_data->VolDevHandle);
- state = le32_to_cpu(event_data->NewValue);
- if (!ioc->hide_ir_msg)
- dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: handle(0x%04x), "
- "old(0x%08x), new(0x%08x)\n", ioc->name, __func__, handle,
- le32_to_cpu(event_data->PreviousValue), state));
-
- switch (state) {
- case MPI2_RAID_VOL_STATE_MISSING:
- case MPI2_RAID_VOL_STATE_FAILED:
- _scsih_sas_volume_delete(ioc, handle);
- break;
-
- case MPI2_RAID_VOL_STATE_ONLINE:
- case MPI2_RAID_VOL_STATE_DEGRADED:
- case MPI2_RAID_VOL_STATE_OPTIMAL:
-
- spin_lock_irqsave(&ioc->raid_device_lock, flags);
- raid_device = _scsih_raid_device_find_by_handle(ioc, handle);
- spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
-
- if (raid_device)
- break;
-
- mpt2sas_config_get_volume_wwid(ioc, handle, &wwid);
- if (!wwid) {
- printk(MPT2SAS_ERR_FMT
- "failure at %s:%d/%s()!\n", ioc->name,
- __FILE__, __LINE__, __func__);
- break;
- }
-
- raid_device = kzalloc(sizeof(struct _raid_device), GFP_KERNEL);
- if (!raid_device) {
- printk(MPT2SAS_ERR_FMT
- "failure at %s:%d/%s()!\n", ioc->name,
- __FILE__, __LINE__, __func__);
- break;
- }
-
- raid_device->id = ioc->sas_id++;
- raid_device->channel = RAID_CHANNEL;
- raid_device->handle = handle;
- raid_device->wwid = wwid;
- _scsih_raid_device_add(ioc, raid_device);
- rc = scsi_add_device(ioc->shost, RAID_CHANNEL,
- raid_device->id, 0);
- if (rc)
- _scsih_raid_device_remove(ioc, raid_device);
- break;
-
- case MPI2_RAID_VOL_STATE_INITIALIZING:
- default:
- break;
- }
-}
-
-/**
- * _scsih_sas_ir_physical_disk_event - PD event
- * @ioc: per adapter object
- * @fw_event: The fw_event_work object
- * Context: user.
- *
- * Return nothing.
- */
-static void
-_scsih_sas_ir_physical_disk_event(struct MPT2SAS_ADAPTER *ioc,
- struct fw_event_work *fw_event)
-{
- u16 handle, parent_handle;
- u32 state;
- struct _sas_device *sas_device;
- unsigned long flags;
- Mpi2ConfigReply_t mpi_reply;
- Mpi2SasDevicePage0_t sas_device_pg0;
- u32 ioc_status;
- Mpi2EventDataIrPhysicalDisk_t *event_data =
- (Mpi2EventDataIrPhysicalDisk_t *)
- fw_event->event_data;
- u64 sas_address;
-
- if (ioc->shost_recovery)
- return;
-
- if (event_data->ReasonCode != MPI2_EVENT_IR_PHYSDISK_RC_STATE_CHANGED)
- return;
-
- handle = le16_to_cpu(event_data->PhysDiskDevHandle);
- state = le32_to_cpu(event_data->NewValue);
-
- if (!ioc->hide_ir_msg)
- dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: handle(0x%04x), "
- "old(0x%08x), new(0x%08x)\n", ioc->name, __func__, handle,
- le32_to_cpu(event_data->PreviousValue), state));
-
- switch (state) {
- case MPI2_RAID_PD_STATE_ONLINE:
- case MPI2_RAID_PD_STATE_DEGRADED:
- case MPI2_RAID_PD_STATE_REBUILDING:
- case MPI2_RAID_PD_STATE_OPTIMAL:
- case MPI2_RAID_PD_STATE_HOT_SPARE:
-
- if (!ioc->is_warpdrive)
- set_bit(handle, ioc->pd_handles);
-
- spin_lock_irqsave(&ioc->sas_device_lock, flags);
- sas_device = _scsih_sas_device_find_by_handle(ioc, handle);
- spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
-
- if (sas_device)
- return;
-
- if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply,
- &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE,
- handle))) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- return;
- }
-
- ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
- MPI2_IOCSTATUS_MASK;
- if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- return;
- }
-
- parent_handle = le16_to_cpu(sas_device_pg0.ParentDevHandle);
- if (!_scsih_get_sas_address(ioc, parent_handle, &sas_address))
- mpt2sas_transport_update_links(ioc, sas_address, handle,
- sas_device_pg0.PhyNum, MPI2_SAS_NEG_LINK_RATE_1_5);
-
- _scsih_add_device(ioc, handle, 0, 1);
-
- break;
-
- case MPI2_RAID_PD_STATE_OFFLINE:
- case MPI2_RAID_PD_STATE_NOT_CONFIGURED:
- case MPI2_RAID_PD_STATE_NOT_COMPATIBLE:
- default:
- break;
- }
-}
-
-#ifdef CONFIG_SCSI_MPT2SAS_LOGGING
-/**
- * _scsih_sas_ir_operation_status_event_debug - debug for IR op event
- * @ioc: per adapter object
- * @event_data: event data payload
- * Context: user.
- *
- * Return nothing.
- */
-static void
-_scsih_sas_ir_operation_status_event_debug(struct MPT2SAS_ADAPTER *ioc,
- Mpi2EventDataIrOperationStatus_t *event_data)
-{
- char *reason_str = NULL;
-
- switch (event_data->RAIDOperation) {
- case MPI2_EVENT_IR_RAIDOP_RESYNC:
- reason_str = "resync";
- break;
- case MPI2_EVENT_IR_RAIDOP_ONLINE_CAP_EXPANSION:
- reason_str = "online capacity expansion";
- break;
- case MPI2_EVENT_IR_RAIDOP_CONSISTENCY_CHECK:
- reason_str = "consistency check";
- break;
- case MPI2_EVENT_IR_RAIDOP_BACKGROUND_INIT:
- reason_str = "background init";
- break;
- case MPI2_EVENT_IR_RAIDOP_MAKE_DATA_CONSISTENT:
- reason_str = "make data consistent";
- break;
- }
-
- if (!reason_str)
- return;
-
- printk(MPT2SAS_INFO_FMT "raid operational status: (%s)"
- "\thandle(0x%04x), percent complete(%d)\n",
- ioc->name, reason_str,
- le16_to_cpu(event_data->VolDevHandle),
- event_data->PercentComplete);
-}
-#endif
-
-/**
- * _scsih_sas_ir_operation_status_event - handle RAID operation events
- * @ioc: per adapter object
- * @fw_event: The fw_event_work object
- * Context: user.
- *
- * Return nothing.
- */
-static void
-_scsih_sas_ir_operation_status_event(struct MPT2SAS_ADAPTER *ioc,
- struct fw_event_work *fw_event)
-{
- Mpi2EventDataIrOperationStatus_t *event_data =
- (Mpi2EventDataIrOperationStatus_t *)
- fw_event->event_data;
- static struct _raid_device *raid_device;
- unsigned long flags;
- u16 handle;
-
-#ifdef CONFIG_SCSI_MPT2SAS_LOGGING
- if ((ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK)
- && !ioc->hide_ir_msg)
- _scsih_sas_ir_operation_status_event_debug(ioc,
- event_data);
-#endif
-
- /* code added for raid transport support */
- if (event_data->RAIDOperation == MPI2_EVENT_IR_RAIDOP_RESYNC) {
-
- spin_lock_irqsave(&ioc->raid_device_lock, flags);
- handle = le16_to_cpu(event_data->VolDevHandle);
- raid_device = _scsih_raid_device_find_by_handle(ioc, handle);
- if (raid_device)
- raid_device->percent_complete =
- event_data->PercentComplete;
- spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
- }
-}
-
-/**
- * _scsih_prep_device_scan - initialize parameters prior to device scan
- * @ioc: per adapter object
- *
- * Set the deleted flag prior to device scan. If the device is found during
- * the scan, then we clear the deleted flag.
- */
-static void
-_scsih_prep_device_scan(struct MPT2SAS_ADAPTER *ioc)
-{
- struct MPT2SAS_DEVICE *sas_device_priv_data;
- struct scsi_device *sdev;
-
- shost_for_each_device(sdev, ioc->shost) {
- sas_device_priv_data = sdev->hostdata;
- if (sas_device_priv_data && sas_device_priv_data->sas_target)
- sas_device_priv_data->sas_target->deleted = 1;
- }
-}
-
-/**
- * _scsih_mark_responding_sas_device - mark a sas_devices as responding
- * @ioc: per adapter object
- * @sas_address: sas address
- * @slot: enclosure slot id
- * @handle: device handle
- *
- * After host reset, find out whether devices are still responding.
- * Used in _scsi_remove_unresponsive_sas_devices.
- *
- * Return nothing.
- */
-static void
-_scsih_mark_responding_sas_device(struct MPT2SAS_ADAPTER *ioc, u64 sas_address,
- u16 slot, u16 handle)
-{
- struct MPT2SAS_TARGET *sas_target_priv_data = NULL;
- struct scsi_target *starget;
- struct _sas_device *sas_device;
- unsigned long flags;
-
- spin_lock_irqsave(&ioc->sas_device_lock, flags);
- list_for_each_entry(sas_device, &ioc->sas_device_list, list) {
- if (sas_device->sas_address == sas_address &&
- sas_device->slot == slot) {
- sas_device->responding = 1;
- starget = sas_device->starget;
- if (starget && starget->hostdata) {
- sas_target_priv_data = starget->hostdata;
- sas_target_priv_data->tm_busy = 0;
- sas_target_priv_data->deleted = 0;
- } else
- sas_target_priv_data = NULL;
- if (starget)
- starget_printk(KERN_INFO, starget,
- "handle(0x%04x), sas_addr(0x%016llx), "
- "enclosure logical id(0x%016llx), "
- "slot(%d)\n", handle,
- (unsigned long long)sas_device->sas_address,
- (unsigned long long)
- sas_device->enclosure_logical_id,
- sas_device->slot);
- if (sas_device->handle == handle)
- goto out;
- printk(KERN_INFO "\thandle changed from(0x%04x)!!!\n",
- sas_device->handle);
- sas_device->handle = handle;
- if (sas_target_priv_data)
- sas_target_priv_data->handle = handle;
- goto out;
- }
- }
- out:
- spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
-}
-
-/**
- * _scsih_search_responding_sas_devices -
- * @ioc: per adapter object
- *
- * After host reset, find out whether devices are still responding.
- * If not remove.
- *
- * Return nothing.
- */
-static void
-_scsih_search_responding_sas_devices(struct MPT2SAS_ADAPTER *ioc)
-{
- Mpi2SasDevicePage0_t sas_device_pg0;
- Mpi2ConfigReply_t mpi_reply;
- u16 ioc_status;
- __le64 sas_address;
- u16 handle;
- u32 device_info;
- u16 slot;
-
- printk(MPT2SAS_INFO_FMT "search for end-devices: start\n", ioc->name);
-
- if (list_empty(&ioc->sas_device_list))
- goto out;
-
- handle = 0xFFFF;
- while (!(mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply,
- &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_GET_NEXT_HANDLE,
- handle))) {
- ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
- MPI2_IOCSTATUS_MASK;
- if (ioc_status != MPI2_IOCSTATUS_SUCCESS)
- break;
- handle = le16_to_cpu(sas_device_pg0.DevHandle);
- device_info = le32_to_cpu(sas_device_pg0.DeviceInfo);
- if (!(_scsih_is_end_device(device_info)))
- continue;
- sas_address = le64_to_cpu(sas_device_pg0.SASAddress);
- slot = le16_to_cpu(sas_device_pg0.Slot);
- _scsih_mark_responding_sas_device(ioc, sas_address, slot,
- handle);
- }
-out:
- printk(MPT2SAS_INFO_FMT "search for end-devices: complete\n",
- ioc->name);
-}
-
-/**
- * _scsih_mark_responding_raid_device - mark a raid_device as responding
- * @ioc: per adapter object
- * @wwid: world wide identifier for raid volume
- * @handle: device handle
- *
- * After host reset, find out whether devices are still responding.
- * Used in _scsi_remove_unresponsive_raid_devices.
- *
- * Return nothing.
- */
-static void
-_scsih_mark_responding_raid_device(struct MPT2SAS_ADAPTER *ioc, u64 wwid,
- u16 handle)
-{
- struct MPT2SAS_TARGET *sas_target_priv_data;
- struct scsi_target *starget;
- struct _raid_device *raid_device;
- unsigned long flags;
-
- spin_lock_irqsave(&ioc->raid_device_lock, flags);
- list_for_each_entry(raid_device, &ioc->raid_device_list, list) {
- if (raid_device->wwid == wwid && raid_device->starget) {
- starget = raid_device->starget;
- if (starget && starget->hostdata) {
- sas_target_priv_data = starget->hostdata;
- sas_target_priv_data->deleted = 0;
- } else
- sas_target_priv_data = NULL;
- raid_device->responding = 1;
- spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
- starget_printk(KERN_INFO, raid_device->starget,
- "handle(0x%04x), wwid(0x%016llx)\n", handle,
- (unsigned long long)raid_device->wwid);
- /*
- * WARPDRIVE: The handles of the PDs might have changed
- * across the host reset so re-initialize the
- * required data for Direct IO
- */
- _scsih_init_warpdrive_properties(ioc, raid_device);
- spin_lock_irqsave(&ioc->raid_device_lock, flags);
- if (raid_device->handle == handle) {
- spin_unlock_irqrestore(&ioc->raid_device_lock,
- flags);
- return;
- }
- printk(KERN_INFO "\thandle changed from(0x%04x)!!!\n",
- raid_device->handle);
- raid_device->handle = handle;
- if (sas_target_priv_data)
- sas_target_priv_data->handle = handle;
- spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
- return;
- }
- }
-
- spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
-}
-
-/**
- * _scsih_search_responding_raid_devices -
- * @ioc: per adapter object
- *
- * After host reset, find out whether devices are still responding.
- * If not remove.
- *
- * Return nothing.
- */
-static void
-_scsih_search_responding_raid_devices(struct MPT2SAS_ADAPTER *ioc)
-{
- Mpi2RaidVolPage1_t volume_pg1;
- Mpi2RaidVolPage0_t volume_pg0;
- Mpi2RaidPhysDiskPage0_t pd_pg0;
- Mpi2ConfigReply_t mpi_reply;
- u16 ioc_status;
- u16 handle;
- u8 phys_disk_num;
-
- if (!ioc->ir_firmware)
- return;
-
- printk(MPT2SAS_INFO_FMT "search for raid volumes: start\n",
- ioc->name);
-
- if (list_empty(&ioc->raid_device_list))
- goto out;
-
- handle = 0xFFFF;
- while (!(mpt2sas_config_get_raid_volume_pg1(ioc, &mpi_reply,
- &volume_pg1, MPI2_RAID_VOLUME_PGAD_FORM_GET_NEXT_HANDLE, handle))) {
- ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
- MPI2_IOCSTATUS_MASK;
- if (ioc_status != MPI2_IOCSTATUS_SUCCESS)
- break;
- handle = le16_to_cpu(volume_pg1.DevHandle);
-
- if (mpt2sas_config_get_raid_volume_pg0(ioc, &mpi_reply,
- &volume_pg0, MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, handle,
- sizeof(Mpi2RaidVolPage0_t)))
- continue;
-
- if (volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_OPTIMAL ||
- volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_ONLINE ||
- volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_DEGRADED)
- _scsih_mark_responding_raid_device(ioc,
- le64_to_cpu(volume_pg1.WWID), handle);
- }
-
- /* refresh the pd_handles */
- if (!ioc->is_warpdrive) {
- phys_disk_num = 0xFF;
- memset(ioc->pd_handles, 0, ioc->pd_handles_sz);
- while (!(mpt2sas_config_get_phys_disk_pg0(ioc, &mpi_reply,
- &pd_pg0, MPI2_PHYSDISK_PGAD_FORM_GET_NEXT_PHYSDISKNUM,
- phys_disk_num))) {
- ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
- MPI2_IOCSTATUS_MASK;
- if (ioc_status != MPI2_IOCSTATUS_SUCCESS)
- break;
- phys_disk_num = pd_pg0.PhysDiskNum;
- handle = le16_to_cpu(pd_pg0.DevHandle);
- set_bit(handle, ioc->pd_handles);
- }
- }
-out:
- printk(MPT2SAS_INFO_FMT "search for responding raid volumes: "
- "complete\n", ioc->name);
-}
-
-/**
- * _scsih_mark_responding_expander - mark a expander as responding
- * @ioc: per adapter object
- * @sas_address: sas address
- * @handle:
- *
- * After host reset, find out whether devices are still responding.
- * Used in _scsi_remove_unresponsive_expanders.
- *
- * Return nothing.
- */
-static void
-_scsih_mark_responding_expander(struct MPT2SAS_ADAPTER *ioc, u64 sas_address,
- u16 handle)
-{
- struct _sas_node *sas_expander;
- unsigned long flags;
- int i;
-
- spin_lock_irqsave(&ioc->sas_node_lock, flags);
- list_for_each_entry(sas_expander, &ioc->sas_expander_list, list) {
- if (sas_expander->sas_address != sas_address)
- continue;
- sas_expander->responding = 1;
- if (sas_expander->handle == handle)
- goto out;
- printk(KERN_INFO "\texpander(0x%016llx): handle changed"
- " from(0x%04x) to (0x%04x)!!!\n",
- (unsigned long long)sas_expander->sas_address,
- sas_expander->handle, handle);
- sas_expander->handle = handle;
- for (i = 0 ; i < sas_expander->num_phys ; i++)
- sas_expander->phy[i].handle = handle;
- goto out;
- }
- out:
- spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
-}
-
-/**
- * _scsih_search_responding_expanders -
- * @ioc: per adapter object
- *
- * After host reset, find out whether devices are still responding.
- * If not remove.
- *
- * Return nothing.
- */
-static void
-_scsih_search_responding_expanders(struct MPT2SAS_ADAPTER *ioc)
-{
- Mpi2ExpanderPage0_t expander_pg0;
- Mpi2ConfigReply_t mpi_reply;
- u16 ioc_status;
- u64 sas_address;
- u16 handle;
-
- printk(MPT2SAS_INFO_FMT "search for expanders: start\n", ioc->name);
-
- if (list_empty(&ioc->sas_expander_list))
- goto out;
-
- handle = 0xFFFF;
- while (!(mpt2sas_config_get_expander_pg0(ioc, &mpi_reply, &expander_pg0,
- MPI2_SAS_EXPAND_PGAD_FORM_GET_NEXT_HNDL, handle))) {
-
- ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
- MPI2_IOCSTATUS_MASK;
- if (ioc_status != MPI2_IOCSTATUS_SUCCESS)
- break;
-
- handle = le16_to_cpu(expander_pg0.DevHandle);
- sas_address = le64_to_cpu(expander_pg0.SASAddress);
- printk(KERN_INFO "\texpander present: handle(0x%04x), "
- "sas_addr(0x%016llx)\n", handle,
- (unsigned long long)sas_address);
- _scsih_mark_responding_expander(ioc, sas_address, handle);
- }
-
- out:
- printk(MPT2SAS_INFO_FMT "search for expanders: complete\n", ioc->name);
-}
-
-/**
- * _scsih_remove_unresponding_sas_devices - removing unresponding devices
- * @ioc: per adapter object
- *
- * Return nothing.
- */
-static void
-_scsih_remove_unresponding_sas_devices(struct MPT2SAS_ADAPTER *ioc)
-{
- struct _sas_device *sas_device, *sas_device_next;
- struct _sas_node *sas_expander, *sas_expander_next;
- struct _raid_device *raid_device, *raid_device_next;
- struct list_head tmp_list;
- unsigned long flags;
-
- printk(MPT2SAS_INFO_FMT "removing unresponding devices: start\n",
- ioc->name);
-
- /* removing unresponding end devices */
- printk(MPT2SAS_INFO_FMT "removing unresponding devices: end-devices\n",
- ioc->name);
- list_for_each_entry_safe(sas_device, sas_device_next,
- &ioc->sas_device_list, list) {
- if (!sas_device->responding)
- mpt2sas_device_remove_by_sas_address(ioc,
- sas_device->sas_address);
- else
- sas_device->responding = 0;
- }
-
- /* removing unresponding volumes */
- if (ioc->ir_firmware) {
- printk(MPT2SAS_INFO_FMT "removing unresponding devices: "
- "volumes\n", ioc->name);
- list_for_each_entry_safe(raid_device, raid_device_next,
- &ioc->raid_device_list, list) {
- if (!raid_device->responding)
- _scsih_sas_volume_delete(ioc,
- raid_device->handle);
- else
- raid_device->responding = 0;
- }
- }
- /* removing unresponding expanders */
- printk(MPT2SAS_INFO_FMT "removing unresponding devices: expanders\n",
- ioc->name);
- spin_lock_irqsave(&ioc->sas_node_lock, flags);
- INIT_LIST_HEAD(&tmp_list);
- list_for_each_entry_safe(sas_expander, sas_expander_next,
- &ioc->sas_expander_list, list) {
- if (!sas_expander->responding)
- list_move_tail(&sas_expander->list, &tmp_list);
- else
- sas_expander->responding = 0;
- }
- spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
- list_for_each_entry_safe(sas_expander, sas_expander_next, &tmp_list,
- list) {
- list_del(&sas_expander->list);
- _scsih_expander_node_remove(ioc, sas_expander);
- }
- printk(MPT2SAS_INFO_FMT "removing unresponding devices: complete\n",
- ioc->name);
- /* unblock devices */
- _scsih_ublock_io_all_device(ioc);
-}
-
-static void
-_scsih_refresh_expander_links(struct MPT2SAS_ADAPTER *ioc,
- struct _sas_node *sas_expander, u16 handle)
-{
- Mpi2ExpanderPage1_t expander_pg1;
- Mpi2ConfigReply_t mpi_reply;
- int i;
-
- for (i = 0 ; i < sas_expander->num_phys ; i++) {
- if ((mpt2sas_config_get_expander_pg1(ioc, &mpi_reply,
- &expander_pg1, i, handle))) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- return;
- }
-
- mpt2sas_transport_update_links(ioc, sas_expander->sas_address,
- le16_to_cpu(expander_pg1.AttachedDevHandle), i,
- expander_pg1.NegotiatedLinkRate >> 4);
- }
-}
-
-/**
- * _scsih_scan_for_devices_after_reset - scan for devices after host reset
- * @ioc: per adapter object
- *
- * Return nothing.
- */
-static void
-_scsih_scan_for_devices_after_reset(struct MPT2SAS_ADAPTER *ioc)
-{
- Mpi2ExpanderPage0_t expander_pg0;
- Mpi2SasDevicePage0_t sas_device_pg0;
- Mpi2RaidVolPage1_t volume_pg1;
- Mpi2RaidVolPage0_t volume_pg0;
- Mpi2RaidPhysDiskPage0_t pd_pg0;
- Mpi2EventIrConfigElement_t element;
- Mpi2ConfigReply_t mpi_reply;
- u8 phys_disk_num;
- u16 ioc_status;
- u16 handle, parent_handle;
- u64 sas_address;
- struct _sas_device *sas_device;
- struct _sas_node *expander_device;
- static struct _raid_device *raid_device;
- u8 retry_count;
- unsigned long flags;
-
- printk(MPT2SAS_INFO_FMT "scan devices: start\n", ioc->name);
-
- _scsih_sas_host_refresh(ioc);
-
- printk(MPT2SAS_INFO_FMT "\tscan devices: expanders start\n",
- ioc->name);
- /* expanders */
- handle = 0xFFFF;
- while (!(mpt2sas_config_get_expander_pg0(ioc, &mpi_reply, &expander_pg0,
- MPI2_SAS_EXPAND_PGAD_FORM_GET_NEXT_HNDL, handle))) {
- ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
- MPI2_IOCSTATUS_MASK;
- if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
- printk(MPT2SAS_INFO_FMT "\tbreak from expander scan: "
- "ioc_status(0x%04x), loginfo(0x%08x)\n",
- ioc->name, ioc_status,
- le32_to_cpu(mpi_reply.IOCLogInfo));
- break;
- }
- handle = le16_to_cpu(expander_pg0.DevHandle);
- spin_lock_irqsave(&ioc->sas_node_lock, flags);
- expander_device = mpt2sas_scsih_expander_find_by_sas_address(
- ioc, le64_to_cpu(expander_pg0.SASAddress));
- spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
- if (expander_device)
- _scsih_refresh_expander_links(ioc, expander_device,
- handle);
- else {
- printk(MPT2SAS_INFO_FMT "\tBEFORE adding expander: "
- "handle (0x%04x), sas_addr(0x%016llx)\n",
- ioc->name, handle, (unsigned long long)
- le64_to_cpu(expander_pg0.SASAddress));
- _scsih_expander_add(ioc, handle);
- printk(MPT2SAS_INFO_FMT "\tAFTER adding expander: "
- "handle (0x%04x), sas_addr(0x%016llx)\n",
- ioc->name, handle, (unsigned long long)
- le64_to_cpu(expander_pg0.SASAddress));
- }
- }
-
- printk(MPT2SAS_INFO_FMT "\tscan devices: expanders complete\n",
- ioc->name);
-
- if (!ioc->ir_firmware)
- goto skip_to_sas;
-
- printk(MPT2SAS_INFO_FMT "\tscan devices phys disk start\n", ioc->name);
- /* phys disk */
- phys_disk_num = 0xFF;
- while (!(mpt2sas_config_get_phys_disk_pg0(ioc, &mpi_reply,
- &pd_pg0, MPI2_PHYSDISK_PGAD_FORM_GET_NEXT_PHYSDISKNUM,
- phys_disk_num))) {
- ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
- MPI2_IOCSTATUS_MASK;
- if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
- printk(MPT2SAS_INFO_FMT "\tbreak from phys disk scan:"
- "ioc_status(0x%04x), loginfo(0x%08x)\n",
- ioc->name, ioc_status,
- le32_to_cpu(mpi_reply.IOCLogInfo));
- break;
- }
- phys_disk_num = pd_pg0.PhysDiskNum;
- handle = le16_to_cpu(pd_pg0.DevHandle);
- spin_lock_irqsave(&ioc->sas_device_lock, flags);
- sas_device = _scsih_sas_device_find_by_handle(ioc, handle);
- spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
- if (sas_device)
- continue;
- if (mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply,
- &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE,
- handle) != 0)
- continue;
- ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
- MPI2_IOCSTATUS_MASK;
- if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
- printk(MPT2SAS_INFO_FMT "\tbreak from phys disk scan "
- "ioc_status(0x%04x), loginfo(0x%08x)\n",
- ioc->name, ioc_status,
- le32_to_cpu(mpi_reply.IOCLogInfo));
- break;
- }
- parent_handle = le16_to_cpu(sas_device_pg0.ParentDevHandle);
- if (!_scsih_get_sas_address(ioc, parent_handle,
- &sas_address)) {
- printk(MPT2SAS_INFO_FMT "\tBEFORE adding phys disk: "
- " handle (0x%04x), sas_addr(0x%016llx)\n",
- ioc->name, handle, (unsigned long long)
- le64_to_cpu(sas_device_pg0.SASAddress));
- mpt2sas_transport_update_links(ioc, sas_address,
- handle, sas_device_pg0.PhyNum,
- MPI2_SAS_NEG_LINK_RATE_1_5);
- set_bit(handle, ioc->pd_handles);
- retry_count = 0;
- /* This will retry adding the end device.
- * _scsih_add_device() will decide on retries and
- * return "1" when it should be retried
- */
- while (_scsih_add_device(ioc, handle, retry_count++,
- 1)) {
- ssleep(1);
- }
- printk(MPT2SAS_INFO_FMT "\tAFTER adding phys disk: "
- " handle (0x%04x), sas_addr(0x%016llx)\n",
- ioc->name, handle, (unsigned long long)
- le64_to_cpu(sas_device_pg0.SASAddress));
- }
- }
-
- printk(MPT2SAS_INFO_FMT "\tscan devices: phys disk complete\n",
- ioc->name);
-
- printk(MPT2SAS_INFO_FMT "\tscan devices: volumes start\n", ioc->name);
- /* volumes */
- handle = 0xFFFF;
- while (!(mpt2sas_config_get_raid_volume_pg1(ioc, &mpi_reply,
- &volume_pg1, MPI2_RAID_VOLUME_PGAD_FORM_GET_NEXT_HANDLE, handle))) {
- ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
- MPI2_IOCSTATUS_MASK;
- if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
- printk(MPT2SAS_INFO_FMT "\tbreak from volume scan: "
- "ioc_status(0x%04x), loginfo(0x%08x)\n",
- ioc->name, ioc_status,
- le32_to_cpu(mpi_reply.IOCLogInfo));
- break;
- }
- handle = le16_to_cpu(volume_pg1.DevHandle);
- spin_lock_irqsave(&ioc->raid_device_lock, flags);
- raid_device = _scsih_raid_device_find_by_wwid(ioc,
- le64_to_cpu(volume_pg1.WWID));
- spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
- if (raid_device)
- continue;
- if (mpt2sas_config_get_raid_volume_pg0(ioc, &mpi_reply,
- &volume_pg0, MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, handle,
- sizeof(Mpi2RaidVolPage0_t)))
- continue;
- ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
- MPI2_IOCSTATUS_MASK;
- if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
- printk(MPT2SAS_INFO_FMT "\tbreak from volume scan: "
- "ioc_status(0x%04x), loginfo(0x%08x)\n",
- ioc->name, ioc_status,
- le32_to_cpu(mpi_reply.IOCLogInfo));
- break;
- }
- if (volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_OPTIMAL ||
- volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_ONLINE ||
- volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_DEGRADED) {
- memset(&element, 0, sizeof(Mpi2EventIrConfigElement_t));
- element.ReasonCode = MPI2_EVENT_IR_CHANGE_RC_ADDED;
- element.VolDevHandle = volume_pg1.DevHandle;
- printk(MPT2SAS_INFO_FMT "\tBEFORE adding volume: "
- " handle (0x%04x)\n", ioc->name,
- volume_pg1.DevHandle);
- _scsih_sas_volume_add(ioc, &element);
- printk(MPT2SAS_INFO_FMT "\tAFTER adding volume: "
- " handle (0x%04x)\n", ioc->name,
- volume_pg1.DevHandle);
- }
- }
-
- printk(MPT2SAS_INFO_FMT "\tscan devices: volumes complete\n",
- ioc->name);
-
- skip_to_sas:
-
- printk(MPT2SAS_INFO_FMT "\tscan devices: end devices start\n",
- ioc->name);
- /* sas devices */
- handle = 0xFFFF;
- while (!(mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply,
- &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_GET_NEXT_HANDLE,
- handle))) {
- ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
- MPI2_IOCSTATUS_MASK;
- if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
- printk(MPT2SAS_INFO_FMT "\tbreak from end device scan:"
- " ioc_status(0x%04x), loginfo(0x%08x)\n",
- ioc->name, ioc_status,
- le32_to_cpu(mpi_reply.IOCLogInfo));
- break;
- }
- handle = le16_to_cpu(sas_device_pg0.DevHandle);
- if (!(_scsih_is_end_device(
- le32_to_cpu(sas_device_pg0.DeviceInfo))))
- continue;
- spin_lock_irqsave(&ioc->sas_device_lock, flags);
- sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc,
- le64_to_cpu(sas_device_pg0.SASAddress));
- spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
- if (sas_device)
- continue;
- parent_handle = le16_to_cpu(sas_device_pg0.ParentDevHandle);
- if (!_scsih_get_sas_address(ioc, parent_handle, &sas_address)) {
- printk(MPT2SAS_INFO_FMT "\tBEFORE adding end device: "
- "handle (0x%04x), sas_addr(0x%016llx)\n",
- ioc->name, handle, (unsigned long long)
- le64_to_cpu(sas_device_pg0.SASAddress));
- mpt2sas_transport_update_links(ioc, sas_address, handle,
- sas_device_pg0.PhyNum, MPI2_SAS_NEG_LINK_RATE_1_5);
- retry_count = 0;
- /* This will retry adding the end device.
- * _scsih_add_device() will decide on retries and
- * return "1" when it should be retried
- */
- while (_scsih_add_device(ioc, handle, retry_count++,
- 0)) {
- ssleep(1);
- }
- printk(MPT2SAS_INFO_FMT "\tAFTER adding end device: "
- "handle (0x%04x), sas_addr(0x%016llx)\n",
- ioc->name, handle, (unsigned long long)
- le64_to_cpu(sas_device_pg0.SASAddress));
- }
- }
-
- printk(MPT2SAS_INFO_FMT "\tscan devices: end devices complete\n",
- ioc->name);
-
- printk(MPT2SAS_INFO_FMT "scan devices: complete\n", ioc->name);
-}
-
-
-/**
- * mpt2sas_scsih_reset_handler - reset callback handler (for scsih)
- * @ioc: per adapter object
- * @reset_phase: phase
- *
- * The handler for doing any required cleanup or initialization.
- *
- * The reset phase can be MPT2_IOC_PRE_RESET, MPT2_IOC_AFTER_RESET,
- * MPT2_IOC_DONE_RESET
- *
- * Return nothing.
- */
-void
-mpt2sas_scsih_reset_handler(struct MPT2SAS_ADAPTER *ioc, int reset_phase)
-{
- switch (reset_phase) {
- case MPT2_IOC_PRE_RESET:
- dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: "
- "MPT2_IOC_PRE_RESET\n", ioc->name, __func__));
- break;
- case MPT2_IOC_AFTER_RESET:
- dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: "
- "MPT2_IOC_AFTER_RESET\n", ioc->name, __func__));
- if (ioc->scsih_cmds.status & MPT2_CMD_PENDING) {
- ioc->scsih_cmds.status |= MPT2_CMD_RESET;
- mpt2sas_base_free_smid(ioc, ioc->scsih_cmds.smid);
- complete(&ioc->scsih_cmds.done);
- }
- if (ioc->tm_cmds.status & MPT2_CMD_PENDING) {
- ioc->tm_cmds.status |= MPT2_CMD_RESET;
- mpt2sas_base_free_smid(ioc, ioc->tm_cmds.smid);
- complete(&ioc->tm_cmds.done);
- }
- _scsih_fw_event_cleanup_queue(ioc);
- _scsih_flush_running_cmds(ioc);
- break;
- case MPT2_IOC_DONE_RESET:
- dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: "
- "MPT2_IOC_DONE_RESET\n", ioc->name, __func__));
- _scsih_sas_host_refresh(ioc);
- _scsih_prep_device_scan(ioc);
- _scsih_search_responding_sas_devices(ioc);
- _scsih_search_responding_raid_devices(ioc);
- _scsih_search_responding_expanders(ioc);
- if ((!ioc->is_driver_loading) && !(disable_discovery > 0 &&
- !ioc->sas_hba.num_phys)) {
- _scsih_prep_device_scan(ioc);
- _scsih_search_responding_sas_devices(ioc);
- _scsih_search_responding_raid_devices(ioc);
- _scsih_search_responding_expanders(ioc);
- _scsih_error_recovery_delete_devices(ioc);
- }
- break;
- }
-}
-
-/**
- * _firmware_event_work - delayed task for processing firmware events
- * @ioc: per adapter object
- * @work: equal to the fw_event_work object
- * Context: user.
- *
- * Return nothing.
- */
-static void
-_firmware_event_work(struct work_struct *work)
-{
- struct fw_event_work *fw_event = container_of(work,
- struct fw_event_work, delayed_work.work);
- struct MPT2SAS_ADAPTER *ioc = fw_event->ioc;
-
- /* the queue is being flushed so ignore this event */
- if (ioc->remove_host ||
- ioc->pci_error_recovery) {
- _scsih_fw_event_free(ioc, fw_event);
- return;
- }
-
- switch (fw_event->event) {
- case MPT2SAS_REMOVE_UNRESPONDING_DEVICES:
- while (scsi_host_in_recovery(ioc->shost) || ioc->shost_recovery)
- ssleep(1);
- _scsih_remove_unresponding_sas_devices(ioc);
- _scsih_scan_for_devices_after_reset(ioc);
- break;
- case MPT2SAS_PORT_ENABLE_COMPLETE:
- ioc->start_scan = 0;
-
- if (missing_delay[0] != -1 && missing_delay[1] != -1)
- mpt2sas_base_update_missing_delay(ioc, missing_delay[0],
- missing_delay[1]);
-
- dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "port enable: complete "
- "from worker thread\n", ioc->name));
- break;
- case MPT2SAS_TURN_ON_PFA_LED:
- _scsih_turn_on_pfa_led(ioc, fw_event->device_handle);
- break;
- case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST:
- _scsih_sas_topology_change_event(ioc, fw_event);
- break;
- case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE:
- _scsih_sas_device_status_change_event(ioc,
- fw_event);
- break;
- case MPI2_EVENT_SAS_DISCOVERY:
- _scsih_sas_discovery_event(ioc,
- fw_event);
- break;
- case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE:
- _scsih_sas_broadcast_primitive_event(ioc,
- fw_event);
- break;
- case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE:
- _scsih_sas_enclosure_dev_status_change_event(ioc,
- fw_event);
- break;
- case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST:
- _scsih_sas_ir_config_change_event(ioc, fw_event);
- break;
- case MPI2_EVENT_IR_VOLUME:
- _scsih_sas_ir_volume_event(ioc, fw_event);
- break;
- case MPI2_EVENT_IR_PHYSICAL_DISK:
- _scsih_sas_ir_physical_disk_event(ioc, fw_event);
- break;
- case MPI2_EVENT_IR_OPERATION_STATUS:
- _scsih_sas_ir_operation_status_event(ioc, fw_event);
- break;
- }
- _scsih_fw_event_free(ioc, fw_event);
-}
-
-/**
- * mpt2sas_scsih_event_callback - firmware event handler (called at ISR time)
- * @ioc: per adapter object
- * @msix_index: MSIX table index supplied by the OS
- * @reply: reply message frame(lower 32bit addr)
- * Context: interrupt.
- *
- * This function merely adds a new work task into ioc->firmware_event_thread.
- * The tasks are worked from _firmware_event_work in user context.
- *
- * Returns void.
- */
-void
-mpt2sas_scsih_event_callback(struct MPT2SAS_ADAPTER *ioc, u8 msix_index,
- u32 reply)
-{
- struct fw_event_work *fw_event;
- Mpi2EventNotificationReply_t *mpi_reply;
- u16 event;
- u16 sz;
-
- /* events turned off due to host reset or driver unloading */
- if (ioc->remove_host || ioc->pci_error_recovery)
- return;
-
- mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply);
-
- if (unlikely(!mpi_reply)) {
- printk(MPT2SAS_ERR_FMT "mpi_reply not valid at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- return;
- }
-
- event = le16_to_cpu(mpi_reply->Event);
-
- switch (event) {
- /* handle these */
- case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE:
- {
- Mpi2EventDataSasBroadcastPrimitive_t *baen_data =
- (Mpi2EventDataSasBroadcastPrimitive_t *)
- mpi_reply->EventData;
-
- if (baen_data->Primitive !=
- MPI2_EVENT_PRIMITIVE_ASYNCHRONOUS_EVENT)
- return;
-
- if (ioc->broadcast_aen_busy) {
- ioc->broadcast_aen_pending++;
- return;
- } else
- ioc->broadcast_aen_busy = 1;
- break;
- }
-
- case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST:
- _scsih_check_topo_delete_events(ioc,
- (Mpi2EventDataSasTopologyChangeList_t *)
- mpi_reply->EventData);
- break;
- case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST:
- _scsih_check_ir_config_unhide_events(ioc,
- (Mpi2EventDataIrConfigChangeList_t *)
- mpi_reply->EventData);
- break;
- case MPI2_EVENT_IR_VOLUME:
- _scsih_check_volume_delete_events(ioc,
- (Mpi2EventDataIrVolume_t *)
- mpi_reply->EventData);
- break;
- case MPI2_EVENT_LOG_ENTRY_ADDED:
- {
- Mpi2EventDataLogEntryAdded_t *log_entry;
- __le32 *log_code;
-
- if (!ioc->is_warpdrive)
- break;
-
- log_entry = (Mpi2EventDataLogEntryAdded_t *)
- mpi_reply->EventData;
- log_code = (__le32 *)log_entry->LogData;
-
- if (le16_to_cpu(log_entry->LogEntryQualifier)
- != MPT2_WARPDRIVE_LOGENTRY)
- break;
-
- switch (le32_to_cpu(*log_code)) {
- case MPT2_WARPDRIVE_LC_SSDT:
- printk(MPT2SAS_WARN_FMT "WarpDrive Warning: "
- "IO Throttling has occurred in the WarpDrive "
- "subsystem. Check WarpDrive documentation for "
- "additional details.\n", ioc->name);
- break;
- case MPT2_WARPDRIVE_LC_SSDLW:
- printk(MPT2SAS_WARN_FMT "WarpDrive Warning: "
- "Program/Erase Cycles for the WarpDrive subsystem "
- "in degraded range. Check WarpDrive documentation "
- "for additional details.\n", ioc->name);
- break;
- case MPT2_WARPDRIVE_LC_SSDLF:
- printk(MPT2SAS_ERR_FMT "WarpDrive Fatal Error: "
- "There are no Program/Erase Cycles for the "
- "WarpDrive subsystem. The storage device will be "
- "in read-only mode. Check WarpDrive documentation "
- "for additional details.\n", ioc->name);
- break;
- case MPT2_WARPDRIVE_LC_BRMF:
- printk(MPT2SAS_ERR_FMT "WarpDrive Fatal Error: "
- "The Backup Rail Monitor has failed on the "
- "WarpDrive subsystem. Check WarpDrive "
- "documentation for additional details.\n",
- ioc->name);
- break;
- }
-
- break;
- }
- case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE:
- case MPI2_EVENT_IR_OPERATION_STATUS:
- case MPI2_EVENT_SAS_DISCOVERY:
- case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE:
- case MPI2_EVENT_IR_PHYSICAL_DISK:
- break;
-
- case MPI2_EVENT_TEMP_THRESHOLD:
- _scsih_temp_threshold_events(ioc,
- (Mpi2EventDataTemperature_t *)
- mpi_reply->EventData);
- break;
-
- default: /* ignore the rest */
- return;
- }
-
- sz = le16_to_cpu(mpi_reply->EventDataLength) * 4;
- fw_event = kzalloc(sizeof(*fw_event) + sz, GFP_ATOMIC);
- if (!fw_event) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- return;
- }
-
- memcpy(fw_event->event_data, mpi_reply->EventData, sz);
- fw_event->ioc = ioc;
- fw_event->VF_ID = mpi_reply->VF_ID;
- fw_event->VP_ID = mpi_reply->VP_ID;
- fw_event->event = event;
- _scsih_fw_event_add(ioc, fw_event);
- return;
-}
-
-/* shost template */
-static struct scsi_host_template scsih_driver_template = {
- .module = THIS_MODULE,
- .name = "Fusion MPT SAS Host",
- .proc_name = MPT2SAS_DRIVER_NAME,
- .queuecommand = _scsih_qcmd,
- .target_alloc = _scsih_target_alloc,
- .slave_alloc = _scsih_slave_alloc,
- .slave_configure = _scsih_slave_configure,
- .target_destroy = _scsih_target_destroy,
- .slave_destroy = _scsih_slave_destroy,
- .scan_finished = _scsih_scan_finished,
- .scan_start = _scsih_scan_start,
- .change_queue_depth = _scsih_change_queue_depth,
- .eh_abort_handler = _scsih_abort,
- .eh_device_reset_handler = _scsih_dev_reset,
- .eh_target_reset_handler = _scsih_target_reset,
- .eh_host_reset_handler = _scsih_host_reset,
- .bios_param = _scsih_bios_param,
- .can_queue = 1,
- .this_id = -1,
- .sg_tablesize = MPT2SAS_SG_DEPTH,
- .max_sectors = 32767,
- .cmd_per_lun = 7,
- .use_clustering = ENABLE_CLUSTERING,
- .shost_attrs = mpt2sas_host_attrs,
- .sdev_attrs = mpt2sas_dev_attrs,
- .track_queue_depth = 1,
-};
-
-/**
- * _scsih_expander_node_remove - removing expander device from list.
- * @ioc: per adapter object
- * @sas_expander: the sas_device object
- * Context: Calling function should acquire ioc->sas_node_lock.
- *
- * Removing object and freeing associated memory from the
- * ioc->sas_expander_list.
- *
- * Return nothing.
- */
-static void
-_scsih_expander_node_remove(struct MPT2SAS_ADAPTER *ioc,
- struct _sas_node *sas_expander)
-{
- struct _sas_port *mpt2sas_port, *next;
-
- /* remove sibling ports attached to this expander */
- list_for_each_entry_safe(mpt2sas_port, next,
- &sas_expander->sas_port_list, port_list) {
- if (ioc->shost_recovery)
- return;
- if (mpt2sas_port->remote_identify.device_type ==
- SAS_END_DEVICE)
- mpt2sas_device_remove_by_sas_address(ioc,
- mpt2sas_port->remote_identify.sas_address);
- else if (mpt2sas_port->remote_identify.device_type ==
- SAS_EDGE_EXPANDER_DEVICE ||
- mpt2sas_port->remote_identify.device_type ==
- SAS_FANOUT_EXPANDER_DEVICE)
- mpt2sas_expander_remove(ioc,
- mpt2sas_port->remote_identify.sas_address);
- }
-
- mpt2sas_transport_port_remove(ioc, sas_expander->sas_address,
- sas_expander->sas_address_parent);
-
- printk(MPT2SAS_INFO_FMT "expander_remove: handle"
- "(0x%04x), sas_addr(0x%016llx)\n", ioc->name,
- sas_expander->handle, (unsigned long long)
- sas_expander->sas_address);
-
- kfree(sas_expander->phy);
- kfree(sas_expander);
-}
-
-/**
- * _scsih_ir_shutdown - IR shutdown notification
- * @ioc: per adapter object
- *
- * Sending RAID Action to alert the Integrated RAID subsystem of the IOC that
- * the host system is shutting down.
- *
- * Return nothing.
- */
-static void
-_scsih_ir_shutdown(struct MPT2SAS_ADAPTER *ioc)
-{
- Mpi2RaidActionRequest_t *mpi_request;
- Mpi2RaidActionReply_t *mpi_reply;
- u16 smid;
-
- /* is IR firmware build loaded ? */
- if (!ioc->ir_firmware)
- return;
-
- mutex_lock(&ioc->scsih_cmds.mutex);
-
- if (ioc->scsih_cmds.status != MPT2_CMD_NOT_USED) {
- printk(MPT2SAS_ERR_FMT "%s: scsih_cmd in use\n",
- ioc->name, __func__);
- goto out;
- }
- ioc->scsih_cmds.status = MPT2_CMD_PENDING;
-
- smid = mpt2sas_base_get_smid(ioc, ioc->scsih_cb_idx);
- if (!smid) {
- printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n",
- ioc->name, __func__);
- ioc->scsih_cmds.status = MPT2_CMD_NOT_USED;
- goto out;
- }
-
- mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
- ioc->scsih_cmds.smid = smid;
- memset(mpi_request, 0, sizeof(Mpi2RaidActionRequest_t));
-
- mpi_request->Function = MPI2_FUNCTION_RAID_ACTION;
- mpi_request->Action = MPI2_RAID_ACTION_SYSTEM_SHUTDOWN_INITIATED;
-
- if (!ioc->hide_ir_msg)
- printk(MPT2SAS_INFO_FMT "IR shutdown (sending)\n", ioc->name);
- init_completion(&ioc->scsih_cmds.done);
- mpt2sas_base_put_smid_default(ioc, smid);
- wait_for_completion_timeout(&ioc->scsih_cmds.done, 10*HZ);
-
- if (!(ioc->scsih_cmds.status & MPT2_CMD_COMPLETE)) {
- printk(MPT2SAS_ERR_FMT "%s: timeout\n",
- ioc->name, __func__);
- goto out;
- }
-
- if (ioc->scsih_cmds.status & MPT2_CMD_REPLY_VALID) {
- mpi_reply = ioc->scsih_cmds.reply;
-
- if (!ioc->hide_ir_msg)
- printk(MPT2SAS_INFO_FMT "IR shutdown (complete): "
- "ioc_status(0x%04x), loginfo(0x%08x)\n",
- ioc->name, le16_to_cpu(mpi_reply->IOCStatus),
- le32_to_cpu(mpi_reply->IOCLogInfo));
- }
-
- out:
- ioc->scsih_cmds.status = MPT2_CMD_NOT_USED;
- mutex_unlock(&ioc->scsih_cmds.mutex);
-}
-
-/**
- * _scsih_shutdown - routine call during system shutdown
- * @pdev: PCI device struct
- *
- * Return nothing.
- */
-static void
-_scsih_shutdown(struct pci_dev *pdev)
-{
- struct Scsi_Host *shost = pci_get_drvdata(pdev);
- struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
- struct workqueue_struct *wq;
- unsigned long flags;
-
- ioc->remove_host = 1;
- _scsih_fw_event_cleanup_queue(ioc);
-
- spin_lock_irqsave(&ioc->fw_event_lock, flags);
- wq = ioc->firmware_event_thread;
- ioc->firmware_event_thread = NULL;
- spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
- if (wq)
- destroy_workqueue(wq);
-
- _scsih_ir_shutdown(ioc);
- mpt2sas_base_detach(ioc);
-}
-
-/**
- * _scsih_remove - detach and remove add host
- * @pdev: PCI device struct
- *
- * Routine called when unloading the driver.
- * Return nothing.
- */
-static void
-_scsih_remove(struct pci_dev *pdev)
-{
- struct Scsi_Host *shost = pci_get_drvdata(pdev);
- struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
- struct _sas_port *mpt2sas_port, *next_port;
- struct _raid_device *raid_device, *next;
- struct MPT2SAS_TARGET *sas_target_priv_data;
- struct workqueue_struct *wq;
- unsigned long flags;
-
- ioc->remove_host = 1;
- _scsih_fw_event_cleanup_queue(ioc);
-
- spin_lock_irqsave(&ioc->fw_event_lock, flags);
- wq = ioc->firmware_event_thread;
- ioc->firmware_event_thread = NULL;
- spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
- if (wq)
- destroy_workqueue(wq);
-
- /* release all the volumes */
- _scsih_ir_shutdown(ioc);
- list_for_each_entry_safe(raid_device, next, &ioc->raid_device_list,
- list) {
- if (raid_device->starget) {
- sas_target_priv_data =
- raid_device->starget->hostdata;
- sas_target_priv_data->deleted = 1;
- scsi_remove_target(&raid_device->starget->dev);
- }
- printk(MPT2SAS_INFO_FMT "removing handle(0x%04x), wwid"
- "(0x%016llx)\n", ioc->name, raid_device->handle,
- (unsigned long long) raid_device->wwid);
- _scsih_raid_device_remove(ioc, raid_device);
- }
-
- /* free ports attached to the sas_host */
- list_for_each_entry_safe(mpt2sas_port, next_port,
- &ioc->sas_hba.sas_port_list, port_list) {
- if (mpt2sas_port->remote_identify.device_type ==
- SAS_END_DEVICE)
- mpt2sas_device_remove_by_sas_address(ioc,
- mpt2sas_port->remote_identify.sas_address);
- else if (mpt2sas_port->remote_identify.device_type ==
- SAS_EDGE_EXPANDER_DEVICE ||
- mpt2sas_port->remote_identify.device_type ==
- SAS_FANOUT_EXPANDER_DEVICE)
- mpt2sas_expander_remove(ioc,
- mpt2sas_port->remote_identify.sas_address);
- }
-
- /* free phys attached to the sas_host */
- if (ioc->sas_hba.num_phys) {
- kfree(ioc->sas_hba.phy);
- ioc->sas_hba.phy = NULL;
- ioc->sas_hba.num_phys = 0;
- }
-
- sas_remove_host(shost);
- scsi_remove_host(shost);
- mpt2sas_base_detach(ioc);
- list_del(&ioc->list);
- scsi_host_put(shost);
-}
-
-/**
- * _scsih_probe_boot_devices - reports 1st device
- * @ioc: per adapter object
- *
- * If specified in bios page 2, this routine reports the 1st
- * device scsi-ml or sas transport for persistent boot device
- * purposes. Please refer to function _scsih_determine_boot_device()
- */
-static void
-_scsih_probe_boot_devices(struct MPT2SAS_ADAPTER *ioc)
-{
- u8 is_raid;
- void *device;
- struct _sas_device *sas_device;
- struct _raid_device *raid_device;
- u16 handle;
- u64 sas_address_parent;
- u64 sas_address;
- unsigned long flags;
- int rc;
-
- /* no Bios, return immediately */
- if (!ioc->bios_pg3.BiosVersion)
- return;
-
- device = NULL;
- is_raid = 0;
- if (ioc->req_boot_device.device) {
- device = ioc->req_boot_device.device;
- is_raid = ioc->req_boot_device.is_raid;
- } else if (ioc->req_alt_boot_device.device) {
- device = ioc->req_alt_boot_device.device;
- is_raid = ioc->req_alt_boot_device.is_raid;
- } else if (ioc->current_boot_device.device) {
- device = ioc->current_boot_device.device;
- is_raid = ioc->current_boot_device.is_raid;
- }
-
- if (!device)
- return;
-
- if (is_raid) {
- raid_device = device;
- rc = scsi_add_device(ioc->shost, RAID_CHANNEL,
- raid_device->id, 0);
- if (rc)
- _scsih_raid_device_remove(ioc, raid_device);
- } else {
- spin_lock_irqsave(&ioc->sas_device_lock, flags);
- sas_device = device;
- handle = sas_device->handle;
- sas_address_parent = sas_device->sas_address_parent;
- sas_address = sas_device->sas_address;
- list_move_tail(&sas_device->list, &ioc->sas_device_list);
- spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
-
- if (ioc->hide_drives)
- return;
- if (!mpt2sas_transport_port_add(ioc, sas_device->handle,
- sas_device->sas_address_parent)) {
- _scsih_sas_device_remove(ioc, sas_device);
- } else if (!sas_device->starget) {
- if (!ioc->is_driver_loading) {
- mpt2sas_transport_port_remove(ioc,
- sas_address,
- sas_address_parent);
- _scsih_sas_device_remove(ioc, sas_device);
- }
- }
- }
-}
-
-/**
- * _scsih_probe_raid - reporting raid volumes to scsi-ml
- * @ioc: per adapter object
- *
- * Called during initial loading of the driver.
- */
-static void
-_scsih_probe_raid(struct MPT2SAS_ADAPTER *ioc)
-{
- struct _raid_device *raid_device, *raid_next;
- int rc;
-
- list_for_each_entry_safe(raid_device, raid_next,
- &ioc->raid_device_list, list) {
- if (raid_device->starget)
- continue;
- rc = scsi_add_device(ioc->shost, RAID_CHANNEL,
- raid_device->id, 0);
- if (rc)
- _scsih_raid_device_remove(ioc, raid_device);
- }
-}
-
-/**
- * _scsih_probe_sas - reporting sas devices to sas transport
- * @ioc: per adapter object
- *
- * Called during initial loading of the driver.
- */
-static void
-_scsih_probe_sas(struct MPT2SAS_ADAPTER *ioc)
-{
- struct _sas_device *sas_device, *next;
- unsigned long flags;
-
- /* SAS Device List */
- list_for_each_entry_safe(sas_device, next, &ioc->sas_device_init_list,
- list) {
-
- if (ioc->hide_drives)
- continue;
-
- if (!mpt2sas_transport_port_add(ioc, sas_device->handle,
- sas_device->sas_address_parent)) {
- list_del(&sas_device->list);
- kfree(sas_device);
- continue;
- } else if (!sas_device->starget) {
- if (!ioc->is_driver_loading) {
- mpt2sas_transport_port_remove(ioc,
- sas_device->sas_address,
- sas_device->sas_address_parent);
- list_del(&sas_device->list);
- kfree(sas_device);
- continue;
- }
- }
- spin_lock_irqsave(&ioc->sas_device_lock, flags);
- list_move_tail(&sas_device->list, &ioc->sas_device_list);
- spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
- }
-}
-
-/**
- * _scsih_probe_devices - probing for devices
- * @ioc: per adapter object
- *
- * Called during initial loading of the driver.
- */
-static void
-_scsih_probe_devices(struct MPT2SAS_ADAPTER *ioc)
-{
- u16 volume_mapping_flags;
-
- if (!(ioc->facts.ProtocolFlags & MPI2_IOCFACTS_PROTOCOL_SCSI_INITIATOR))
- return; /* return when IOC doesn't support initiator mode */
-
- _scsih_probe_boot_devices(ioc);
-
- if (ioc->ir_firmware) {
- volume_mapping_flags =
- le16_to_cpu(ioc->ioc_pg8.IRVolumeMappingFlags) &
- MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE;
- if (volume_mapping_flags ==
- MPI2_IOCPAGE8_IRFLAGS_LOW_VOLUME_MAPPING) {
- _scsih_probe_raid(ioc);
- _scsih_probe_sas(ioc);
- } else {
- _scsih_probe_sas(ioc);
- _scsih_probe_raid(ioc);
- }
- } else
- _scsih_probe_sas(ioc);
-}
-
-
-/**
- * _scsih_scan_start - scsi lld callback for .scan_start
- * @shost: SCSI host pointer
- *
- * The shost has the ability to discover targets on its own instead
- * of scanning the entire bus. In our implemention, we will kick off
- * firmware discovery.
- */
-static void
-_scsih_scan_start(struct Scsi_Host *shost)
-{
- struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
- int rc;
-
- if (diag_buffer_enable != -1 && diag_buffer_enable != 0)
- mpt2sas_enable_diag_buffer(ioc, diag_buffer_enable);
-
- if (disable_discovery > 0)
- return;
-
- ioc->start_scan = 1;
- rc = mpt2sas_port_enable(ioc);
-
- if (rc != 0)
- printk(MPT2SAS_INFO_FMT "port enable: FAILED\n", ioc->name);
-}
-
-/**
- * _scsih_scan_finished - scsi lld callback for .scan_finished
- * @shost: SCSI host pointer
- * @time: elapsed time of the scan in jiffies
- *
- * This function will be called periodically until it returns 1 with the
- * scsi_host and the elapsed time of the scan in jiffies. In our implemention,
- * we wait for firmware discovery to complete, then return 1.
- */
-static int
-_scsih_scan_finished(struct Scsi_Host *shost, unsigned long time)
-{
- struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
-
- if (disable_discovery > 0) {
- ioc->is_driver_loading = 0;
- ioc->wait_for_discovery_to_complete = 0;
- return 1;
- }
-
- if (time >= (300 * HZ)) {
- ioc->base_cmds.status = MPT2_CMD_NOT_USED;
- printk(MPT2SAS_INFO_FMT "port enable: FAILED with timeout "
- "(timeout=300s)\n", ioc->name);
- ioc->is_driver_loading = 0;
- return 1;
- }
-
- if (ioc->start_scan)
- return 0;
-
- if (ioc->start_scan_failed) {
- printk(MPT2SAS_INFO_FMT "port enable: FAILED with "
- "(ioc_status=0x%08x)\n", ioc->name, ioc->start_scan_failed);
- ioc->is_driver_loading = 0;
- ioc->wait_for_discovery_to_complete = 0;
- ioc->remove_host = 1;
- return 1;
- }
-
- printk(MPT2SAS_INFO_FMT "port enable: SUCCESS\n", ioc->name);
- ioc->base_cmds.status = MPT2_CMD_NOT_USED;
-
- if (ioc->wait_for_discovery_to_complete) {
- ioc->wait_for_discovery_to_complete = 0;
- _scsih_probe_devices(ioc);
- }
- mpt2sas_base_start_watchdog(ioc);
- ioc->is_driver_loading = 0;
- return 1;
-}
-
-
-/**
- * _scsih_probe - attach and add scsi host
- * @pdev: PCI device struct
- * @id: pci device id
- *
- * Returns 0 success, anything else error.
- */
-static int
-_scsih_probe(struct pci_dev *pdev, const struct pci_device_id *id)
-{
- struct MPT2SAS_ADAPTER *ioc;
- struct Scsi_Host *shost;
- int rv;
-
- shost = scsi_host_alloc(&scsih_driver_template,
- sizeof(struct MPT2SAS_ADAPTER));
- if (!shost)
- return -ENODEV;
-
- /* init local params */
- ioc = shost_priv(shost);
- memset(ioc, 0, sizeof(struct MPT2SAS_ADAPTER));
- INIT_LIST_HEAD(&ioc->list);
- list_add_tail(&ioc->list, &mpt2sas_ioc_list);
- ioc->shost = shost;
- ioc->id = mpt_ids++;
- sprintf(ioc->name, "%s%d", MPT2SAS_DRIVER_NAME, ioc->id);
- ioc->pdev = pdev;
- if (id->device == MPI2_MFGPAGE_DEVID_SSS6200) {
- ioc->is_warpdrive = 1;
- ioc->hide_ir_msg = 1;
- } else
- ioc->mfg_pg10_hide_flag = MFG_PAGE10_EXPOSE_ALL_DISKS;
- ioc->scsi_io_cb_idx = scsi_io_cb_idx;
- ioc->tm_cb_idx = tm_cb_idx;
- ioc->ctl_cb_idx = ctl_cb_idx;
- ioc->base_cb_idx = base_cb_idx;
- ioc->port_enable_cb_idx = port_enable_cb_idx;
- ioc->transport_cb_idx = transport_cb_idx;
- ioc->scsih_cb_idx = scsih_cb_idx;
- ioc->config_cb_idx = config_cb_idx;
- ioc->tm_tr_cb_idx = tm_tr_cb_idx;
- ioc->tm_tr_volume_cb_idx = tm_tr_volume_cb_idx;
- ioc->tm_sas_control_cb_idx = tm_sas_control_cb_idx;
- ioc->logging_level = logging_level;
- ioc->schedule_dead_ioc_flush_running_cmds = &_scsih_flush_running_cmds;
- /* misc semaphores and spin locks */
- mutex_init(&ioc->reset_in_progress_mutex);
- spin_lock_init(&ioc->ioc_reset_in_progress_lock);
- spin_lock_init(&ioc->scsi_lookup_lock);
- spin_lock_init(&ioc->sas_device_lock);
- spin_lock_init(&ioc->sas_node_lock);
- spin_lock_init(&ioc->fw_event_lock);
- spin_lock_init(&ioc->raid_device_lock);
-
- INIT_LIST_HEAD(&ioc->sas_device_list);
- INIT_LIST_HEAD(&ioc->sas_device_init_list);
- INIT_LIST_HEAD(&ioc->sas_expander_list);
- INIT_LIST_HEAD(&ioc->fw_event_list);
- INIT_LIST_HEAD(&ioc->raid_device_list);
- INIT_LIST_HEAD(&ioc->sas_hba.sas_port_list);
- INIT_LIST_HEAD(&ioc->delayed_tr_list);
- INIT_LIST_HEAD(&ioc->delayed_tr_volume_list);
- INIT_LIST_HEAD(&ioc->reply_queue_list);
-
- /* init shost parameters */
- shost->max_cmd_len = 32;
- shost->max_lun = max_lun;
- shost->transportt = mpt2sas_transport_template;
- shost->unique_id = ioc->id;
-
- if (max_sectors != 0xFFFF) {
- if (max_sectors < 64) {
- shost->max_sectors = 64;
- printk(MPT2SAS_WARN_FMT "Invalid value %d passed "
- "for max_sectors, range is 64 to 32767. Assigning "
- "value of 64.\n", ioc->name, max_sectors);
- } else if (max_sectors > 32767) {
- shost->max_sectors = 32767;
- printk(MPT2SAS_WARN_FMT "Invalid value %d passed "
- "for max_sectors, range is 64 to 8192. Assigning "
- "default value of 32767.\n", ioc->name,
- max_sectors);
- } else {
- shost->max_sectors = max_sectors & 0xFFFE;
- printk(MPT2SAS_INFO_FMT "The max_sectors value is "
- "set to %d\n", ioc->name, shost->max_sectors);
- }
- }
-
- /* register EEDP capabilities with SCSI layer */
- if (prot_mask)
- scsi_host_set_prot(shost, prot_mask);
- else
- scsi_host_set_prot(shost, SHOST_DIF_TYPE1_PROTECTION
- | SHOST_DIF_TYPE2_PROTECTION
- | SHOST_DIF_TYPE3_PROTECTION);
-
- scsi_host_set_guard(shost, SHOST_DIX_GUARD_CRC);
-
- /* event thread */
- snprintf(ioc->firmware_event_name, sizeof(ioc->firmware_event_name),
- "fw_event%d", ioc->id);
- ioc->firmware_event_thread = create_singlethread_workqueue(
- ioc->firmware_event_name);
- if (!ioc->firmware_event_thread) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- rv = -ENODEV;
- goto out_thread_fail;
- }
-
- ioc->is_driver_loading = 1;
- if ((mpt2sas_base_attach(ioc))) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- rv = -ENODEV;
- goto out_attach_fail;
- }
-
- if (ioc->is_warpdrive) {
- if (ioc->mfg_pg10_hide_flag == MFG_PAGE10_EXPOSE_ALL_DISKS)
- ioc->hide_drives = 0;
- else if (ioc->mfg_pg10_hide_flag == MFG_PAGE10_HIDE_ALL_DISKS)
- ioc->hide_drives = 1;
- else {
- if (_scsih_get_num_volumes(ioc))
- ioc->hide_drives = 1;
- else
- ioc->hide_drives = 0;
- }
- } else
- ioc->hide_drives = 0;
-
- rv = scsi_add_host(shost, &pdev->dev);
- if (rv) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- goto out_add_shost_fail;
- }
-
- scsi_scan_host(shost);
-
- return 0;
-
- out_add_shost_fail:
- mpt2sas_base_detach(ioc);
- out_attach_fail:
- destroy_workqueue(ioc->firmware_event_thread);
- out_thread_fail:
- list_del(&ioc->list);
- scsi_host_put(shost);
- return rv;
-}
-
-#ifdef CONFIG_PM
-/**
- * _scsih_suspend - power management suspend main entry point
- * @pdev: PCI device struct
- * @state: PM state change to (usually PCI_D3)
- *
- * Returns 0 success, anything else error.
- */
-static int
-_scsih_suspend(struct pci_dev *pdev, pm_message_t state)
-{
- struct Scsi_Host *shost = pci_get_drvdata(pdev);
- struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
- pci_power_t device_state;
-
- mpt2sas_base_stop_watchdog(ioc);
- scsi_block_requests(shost);
- _scsih_ir_shutdown(ioc);
- device_state = pci_choose_state(pdev, state);
- printk(MPT2SAS_INFO_FMT "pdev=0x%p, slot=%s, entering "
- "operating state [D%d]\n", ioc->name, pdev,
- pci_name(pdev), device_state);
-
- mpt2sas_base_free_resources(ioc);
- pci_save_state(pdev);
- pci_set_power_state(pdev, device_state);
- return 0;
-}
-
-/**
- * _scsih_resume - power management resume main entry point
- * @pdev: PCI device struct
- *
- * Returns 0 success, anything else error.
- */
-static int
-_scsih_resume(struct pci_dev *pdev)
-{
- struct Scsi_Host *shost = pci_get_drvdata(pdev);
- struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
- pci_power_t device_state = pdev->current_state;
- int r;
-
- printk(MPT2SAS_INFO_FMT "pdev=0x%p, slot=%s, previous "
- "operating state [D%d]\n", ioc->name, pdev,
- pci_name(pdev), device_state);
-
- pci_set_power_state(pdev, PCI_D0);
- pci_enable_wake(pdev, PCI_D0, 0);
- pci_restore_state(pdev);
- ioc->pdev = pdev;
- r = mpt2sas_base_map_resources(ioc);
- if (r)
- return r;
-
- mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, SOFT_RESET);
- scsi_unblock_requests(shost);
- mpt2sas_base_start_watchdog(ioc);
- return 0;
-}
-#endif /* CONFIG_PM */
-
-/**
- * _scsih_pci_error_detected - Called when a PCI error is detected.
- * @pdev: PCI device struct
- * @state: PCI channel state
- *
- * Description: Called when a PCI error is detected.
- *
- * Return value:
- * PCI_ERS_RESULT_NEED_RESET or PCI_ERS_RESULT_DISCONNECT
- */
-static pci_ers_result_t
-_scsih_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
-{
- struct Scsi_Host *shost = pci_get_drvdata(pdev);
- struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
-
- printk(MPT2SAS_INFO_FMT "PCI error: detected callback, state(%d)!!\n",
- ioc->name, state);
-
- switch (state) {
- case pci_channel_io_normal:
- return PCI_ERS_RESULT_CAN_RECOVER;
- case pci_channel_io_frozen:
- /* Fatal error, prepare for slot reset */
- ioc->pci_error_recovery = 1;
- scsi_block_requests(ioc->shost);
- mpt2sas_base_stop_watchdog(ioc);
- mpt2sas_base_free_resources(ioc);
- return PCI_ERS_RESULT_NEED_RESET;
- case pci_channel_io_perm_failure:
- /* Permanent error, prepare for device removal */
- ioc->pci_error_recovery = 1;
- mpt2sas_base_stop_watchdog(ioc);
- _scsih_flush_running_cmds(ioc);
- return PCI_ERS_RESULT_DISCONNECT;
- }
- return PCI_ERS_RESULT_NEED_RESET;
-}
-
-/**
- * _scsih_pci_slot_reset - Called when PCI slot has been reset.
- * @pdev: PCI device struct
- *
- * Description: This routine is called by the pci error recovery
- * code after the PCI slot has been reset, just before we
- * should resume normal operations.
- */
-static pci_ers_result_t
-_scsih_pci_slot_reset(struct pci_dev *pdev)
-{
- struct Scsi_Host *shost = pci_get_drvdata(pdev);
- struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
- int rc;
-
- printk(MPT2SAS_INFO_FMT "PCI error: slot reset callback!!\n",
- ioc->name);
-
- ioc->pci_error_recovery = 0;
- ioc->pdev = pdev;
- pci_restore_state(pdev);
- rc = mpt2sas_base_map_resources(ioc);
- if (rc)
- return PCI_ERS_RESULT_DISCONNECT;
-
-
- rc = mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP,
- FORCE_BIG_HAMMER);
-
- printk(MPT2SAS_WARN_FMT "hard reset: %s\n", ioc->name,
- (rc == 0) ? "success" : "failed");
-
- if (!rc)
- return PCI_ERS_RESULT_RECOVERED;
- else
- return PCI_ERS_RESULT_DISCONNECT;
-}
-
-/**
- * _scsih_pci_resume() - resume normal ops after PCI reset
- * @pdev: pointer to PCI device
- *
- * Called when the error recovery driver tells us that its
- * OK to resume normal operation. Use completion to allow
- * halted scsi ops to resume.
- */
-static void
-_scsih_pci_resume(struct pci_dev *pdev)
-{
- struct Scsi_Host *shost = pci_get_drvdata(pdev);
- struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
-
- printk(MPT2SAS_INFO_FMT "PCI error: resume callback!!\n", ioc->name);
-
- pci_cleanup_aer_uncorrect_error_status(pdev);
- mpt2sas_base_start_watchdog(ioc);
- scsi_unblock_requests(ioc->shost);
-}
-
-/**
- * _scsih_pci_mmio_enabled - Enable MMIO and dump debug registers
- * @pdev: pointer to PCI device
- */
-static pci_ers_result_t
-_scsih_pci_mmio_enabled(struct pci_dev *pdev)
-{
- struct Scsi_Host *shost = pci_get_drvdata(pdev);
- struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
-
- printk(MPT2SAS_INFO_FMT "PCI error: mmio enabled callback!!\n",
- ioc->name);
-
- /* TODO - dump whatever for debugging purposes */
-
- /* Request a slot reset. */
- return PCI_ERS_RESULT_NEED_RESET;
-}
-
-static const struct pci_error_handlers _scsih_err_handler = {
- .error_detected = _scsih_pci_error_detected,
- .mmio_enabled = _scsih_pci_mmio_enabled,
- .slot_reset = _scsih_pci_slot_reset,
- .resume = _scsih_pci_resume,
-};
-
-static struct pci_driver scsih_driver = {
- .name = MPT2SAS_DRIVER_NAME,
- .id_table = scsih_pci_table,
- .probe = _scsih_probe,
- .remove = _scsih_remove,
- .shutdown = _scsih_shutdown,
- .err_handler = &_scsih_err_handler,
-#ifdef CONFIG_PM
- .suspend = _scsih_suspend,
- .resume = _scsih_resume,
-#endif
-};
-
-/* raid transport support */
-static struct raid_function_template mpt2sas_raid_functions = {
- .cookie = &scsih_driver_template,
- .is_raid = _scsih_is_raid,
- .get_resync = _scsih_get_resync,
- .get_state = _scsih_get_state,
-};
-
-/**
- * _scsih_init - main entry point for this driver.
- *
- * Returns 0 success, anything else error.
- */
-static int __init
-_scsih_init(void)
-{
- int error;
-
- mpt_ids = 0;
- printk(KERN_INFO "%s version %s loaded\n", MPT2SAS_DRIVER_NAME,
- MPT2SAS_DRIVER_VERSION);
-
- mpt2sas_transport_template =
- sas_attach_transport(&mpt2sas_transport_functions);
- if (!mpt2sas_transport_template)
- return -ENODEV;
- /* raid transport support */
- mpt2sas_raid_template = raid_class_attach(&mpt2sas_raid_functions);
- if (!mpt2sas_raid_template) {
- sas_release_transport(mpt2sas_transport_template);
- return -ENODEV;
- }
-
- mpt2sas_base_initialize_callback_handler();
-
- /* queuecommand callback hander */
- scsi_io_cb_idx = mpt2sas_base_register_callback_handler(_scsih_io_done);
-
- /* task management callback handler */
- tm_cb_idx = mpt2sas_base_register_callback_handler(_scsih_tm_done);
-
- /* base internal commands callback handler */
- base_cb_idx = mpt2sas_base_register_callback_handler(mpt2sas_base_done);
- port_enable_cb_idx = mpt2sas_base_register_callback_handler(
- mpt2sas_port_enable_done);
-
- /* transport internal commands callback handler */
- transport_cb_idx = mpt2sas_base_register_callback_handler(
- mpt2sas_transport_done);
-
- /* scsih internal commands callback handler */
- scsih_cb_idx = mpt2sas_base_register_callback_handler(_scsih_done);
-
- /* configuration page API internal commands callback handler */
- config_cb_idx = mpt2sas_base_register_callback_handler(
- mpt2sas_config_done);
-
- /* ctl module callback handler */
- ctl_cb_idx = mpt2sas_base_register_callback_handler(mpt2sas_ctl_done);
-
- tm_tr_cb_idx = mpt2sas_base_register_callback_handler(
- _scsih_tm_tr_complete);
-
- tm_tr_volume_cb_idx = mpt2sas_base_register_callback_handler(
- _scsih_tm_volume_tr_complete);
-
- tm_sas_control_cb_idx = mpt2sas_base_register_callback_handler(
- _scsih_sas_control_complete);
-
- mpt2sas_ctl_init();
-
- error = pci_register_driver(&scsih_driver);
- if (error) {
- /* raid transport support */
- raid_class_release(mpt2sas_raid_template);
- sas_release_transport(mpt2sas_transport_template);
- }
-
- return error;
-}
-
-/**
- * _scsih_exit - exit point for this driver (when it is a module).
- *
- * Returns 0 success, anything else error.
- */
-static void __exit
-_scsih_exit(void)
-{
- printk(KERN_INFO "mpt2sas version %s unloading\n",
- MPT2SAS_DRIVER_VERSION);
-
- pci_unregister_driver(&scsih_driver);
-
- mpt2sas_ctl_exit();
-
- mpt2sas_base_release_callback_handler(scsi_io_cb_idx);
- mpt2sas_base_release_callback_handler(tm_cb_idx);
- mpt2sas_base_release_callback_handler(base_cb_idx);
- mpt2sas_base_release_callback_handler(port_enable_cb_idx);
- mpt2sas_base_release_callback_handler(transport_cb_idx);
- mpt2sas_base_release_callback_handler(scsih_cb_idx);
- mpt2sas_base_release_callback_handler(config_cb_idx);
- mpt2sas_base_release_callback_handler(ctl_cb_idx);
-
- mpt2sas_base_release_callback_handler(tm_tr_cb_idx);
- mpt2sas_base_release_callback_handler(tm_tr_volume_cb_idx);
- mpt2sas_base_release_callback_handler(tm_sas_control_cb_idx);
-
- /* raid transport support */
- raid_class_release(mpt2sas_raid_template);
- sas_release_transport(mpt2sas_transport_template);
-
-}
-
-module_init(_scsih_init);
-module_exit(_scsih_exit);
Code Review / kvmfornfv.git / blobdiff