--- /dev/null
+/*
+ * linux/drivers/message/fusion/mptbase.h
+ * High performance SCSI + LAN / Fibre Channel device drivers.
+ * For use with PCI chip/adapter(s):
+ * LSIFC9xx/LSI409xx Fibre Channel
+ * running LSI Fusion MPT (Message Passing Technology) firmware.
+ *
+ * Copyright (c) 1999-2008 LSI Corporation
+ * (mailto:DL-MPTFusionLinux@lsi.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; version 2 of the License.
+
+ 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+*/
+
+#ifndef MPTBASE_H_INCLUDED
+#define MPTBASE_H_INCLUDED
+/*{-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
+
+#include <linux/kernel.h>
+#include <linux/pci.h>
+#include <linux/mutex.h>
+
+#include "lsi/mpi_type.h"
+#include "lsi/mpi.h" /* Fusion MPI(nterface) basic defs */
+#include "lsi/mpi_ioc.h" /* Fusion MPT IOC(ontroller) defs */
+#include "lsi/mpi_cnfg.h" /* IOC configuration support */
+#include "lsi/mpi_init.h" /* SCSI Host (initiator) protocol support */
+#include "lsi/mpi_lan.h" /* LAN over FC protocol support */
+#include "lsi/mpi_raid.h" /* Integrated Mirroring support */
+
+#include "lsi/mpi_fc.h" /* Fibre Channel (lowlevel) support */
+#include "lsi/mpi_targ.h" /* SCSI/FCP Target protcol support */
+#include "lsi/mpi_tool.h" /* Tools support */
+#include "lsi/mpi_sas.h" /* SAS support */
+
+/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
+
+#ifndef MODULEAUTHOR
+#define MODULEAUTHOR "LSI Corporation"
+#endif
+
+#ifndef COPYRIGHT
+#define COPYRIGHT "Copyright (c) 1999-2008 " MODULEAUTHOR
+#endif
+
+#define MPT_LINUX_VERSION_COMMON "3.04.20"
+#define MPT_LINUX_PACKAGE_NAME "@(#)mptlinux-3.04.20"
+#define WHAT_MAGIC_STRING "@" "(" "#" ")"
+
+#define show_mptmod_ver(s,ver) \
+ printk(KERN_INFO "%s %s\n", s, ver);
+
+/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
+/*
+ * Fusion MPT(linux) driver configurable stuff...
+ */
+#define MPT_MAX_ADAPTERS 18
+#define MPT_MAX_PROTOCOL_DRIVERS 16
+#define MPT_MAX_CALLBACKNAME_LEN 49
+#define MPT_MAX_BUS 1 /* Do not change */
+#define MPT_MAX_FC_DEVICES 255
+#define MPT_MAX_SCSI_DEVICES 16
+#define MPT_LAST_LUN 255
+#define MPT_SENSE_BUFFER_ALLOC 64
+ /* allow for 256 max sense alloc, but only 255 max request */
+#if MPT_SENSE_BUFFER_ALLOC >= 256
+# undef MPT_SENSE_BUFFER_ALLOC
+# define MPT_SENSE_BUFFER_ALLOC 256
+# define MPT_SENSE_BUFFER_SIZE 255
+#else
+# define MPT_SENSE_BUFFER_SIZE MPT_SENSE_BUFFER_ALLOC
+#endif
+
+#define MPT_NAME_LENGTH 32
+#define MPT_KOBJ_NAME_LEN 20
+
+#define MPT_PROCFS_MPTBASEDIR "mpt"
+ /* chg it to "driver/fusion" ? */
+#define MPT_PROCFS_SUMMARY_ALL_NODE MPT_PROCFS_MPTBASEDIR "/summary"
+#define MPT_PROCFS_SUMMARY_ALL_PATHNAME "/proc/" MPT_PROCFS_SUMMARY_ALL_NODE
+#define MPT_FW_REV_MAGIC_ID_STRING "FwRev="
+
+#define MPT_MAX_REQ_DEPTH 1023
+#define MPT_DEFAULT_REQ_DEPTH 256
+#define MPT_MIN_REQ_DEPTH 128
+
+#define MPT_MAX_REPLY_DEPTH MPT_MAX_REQ_DEPTH
+#define MPT_DEFAULT_REPLY_DEPTH 128
+#define MPT_MIN_REPLY_DEPTH 8
+#define MPT_MAX_REPLIES_PER_ISR 32
+
+#define MPT_MAX_FRAME_SIZE 128
+#define MPT_DEFAULT_FRAME_SIZE 128
+
+#define MPT_REPLY_FRAME_SIZE 0x50 /* Must be a multiple of 8 */
+
+#define MPT_SG_REQ_128_SCALE 1
+#define MPT_SG_REQ_96_SCALE 2
+#define MPT_SG_REQ_64_SCALE 4
+
+#define CAN_SLEEP 1
+#define NO_SLEEP 0
+
+#define MPT_COALESCING_TIMEOUT 0x10
+
+
+/*
+ * SCSI transfer rate defines.
+ */
+#define MPT_ULTRA320 0x08
+#define MPT_ULTRA160 0x09
+#define MPT_ULTRA2 0x0A
+#define MPT_ULTRA 0x0C
+#define MPT_FAST 0x19
+#define MPT_SCSI 0x32
+#define MPT_ASYNC 0xFF
+
+#define MPT_NARROW 0
+#define MPT_WIDE 1
+
+#define C0_1030 0x08
+#define XL_929 0x01
+
+
+/*
+ * Try to keep these at 2^N-1
+ */
+#define MPT_FC_CAN_QUEUE 1024
+#define MPT_SCSI_CAN_QUEUE 127
+#define MPT_SAS_CAN_QUEUE 127
+
+/*
+ * Set the MAX_SGE value based on user input.
+ */
+#ifdef CONFIG_FUSION_MAX_SGE
+#if CONFIG_FUSION_MAX_SGE < 16
+#define MPT_SCSI_SG_DEPTH 16
+#elif CONFIG_FUSION_MAX_SGE > 128
+#define MPT_SCSI_SG_DEPTH 128
+#else
+#define MPT_SCSI_SG_DEPTH CONFIG_FUSION_MAX_SGE
+#endif
+#else
+#define MPT_SCSI_SG_DEPTH 40
+#endif
+
+#ifdef CONFIG_FUSION_MAX_FC_SGE
+#if CONFIG_FUSION_MAX_FC_SGE < 16
+#define MPT_SCSI_FC_SG_DEPTH 16
+#elif CONFIG_FUSION_MAX_FC_SGE > 256
+#define MPT_SCSI_FC_SG_DEPTH 256
+#else
+#define MPT_SCSI_FC_SG_DEPTH CONFIG_FUSION_MAX_FC_SGE
+#endif
+#else
+#define MPT_SCSI_FC_SG_DEPTH 40
+#endif
+
+/* debug print string length used for events and iocstatus */
+# define EVENT_DESCR_STR_SZ 100
+
+#define MPT_POLLING_INTERVAL 1000 /* in milliseconds */
+
+#ifdef __KERNEL__ /* { */
+/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
+
+#include <linux/proc_fs.h>
+
+/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
+/*
+ * Attempt semi-consistent error & warning msgs across
+ * MPT drivers. NOTE: Users of these macro defs must
+ * themselves define their own MYNAM.
+ */
+#define MYIOC_s_FMT MYNAM ": %s: "
+#define MYIOC_s_DEBUG_FMT KERN_DEBUG MYNAM ": %s: "
+#define MYIOC_s_INFO_FMT KERN_INFO MYNAM ": %s: "
+#define MYIOC_s_NOTE_FMT KERN_NOTICE MYNAM ": %s: "
+#define MYIOC_s_WARN_FMT KERN_WARNING MYNAM ": %s: WARNING - "
+#define MYIOC_s_ERR_FMT KERN_ERR MYNAM ": %s: ERROR - "
+
+/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
+/*
+ * ATTO UL4D associated structures and defines
+ */
+#define ATTOFLAG_DISC 0x0001
+#define ATTOFLAG_TAGGED 0x0002
+#define ATTOFLAG_WIDE_ENB 0x0008
+#define ATTOFLAG_ID_ENB 0x0010
+#define ATTOFLAG_LUN_ENB 0x0060
+
+typedef struct _ATTO_DEVICE_INFO
+{
+ u8 Offset; /* 00h */
+ u8 Period; /* 01h */
+ u16 ATTOFlags; /* 02h */
+} ATTO_DEVICE_INFO, MPI_POINTER PTR_ATTO_DEVICE_INFO,
+ ATTODeviceInfo_t, MPI_POINTER pATTODeviceInfo_t;
+
+typedef struct _ATTO_CONFIG_PAGE_SCSI_PORT_2
+{
+ CONFIG_PAGE_HEADER Header; /* 00h */
+ u16 PortFlags; /* 04h */
+ u16 Unused1; /* 06h */
+ u32 Unused2; /* 08h */
+ ATTO_DEVICE_INFO DeviceSettings[16]; /* 0Ch */
+} fATTO_CONFIG_PAGE_SCSI_PORT_2, MPI_POINTER PTR_ATTO_CONFIG_PAGE_SCSI_PORT_2,
+ ATTO_SCSIPortPage2_t, MPI_POINTER pATTO_SCSIPortPage2_t;
+
+
+/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
+/*
+ * MPT protocol driver defs...
+ */
+typedef enum {
+ MPTBASE_DRIVER, /* MPT base class */
+ MPTCTL_DRIVER, /* MPT ioctl class */
+ MPTSPI_DRIVER, /* MPT SPI host class */
+ MPTFC_DRIVER, /* MPT FC host class */
+ MPTSAS_DRIVER, /* MPT SAS host class */
+ MPTLAN_DRIVER, /* MPT LAN class */
+ MPTSTM_DRIVER, /* MPT SCSI target mode class */
+ MPTUNKNOWN_DRIVER
+} MPT_DRIVER_CLASS;
+
+struct mpt_pci_driver{
+ int (*probe) (struct pci_dev *dev, const struct pci_device_id *id);
+ void (*remove) (struct pci_dev *dev);
+};
+
+/*
+ * MPT adapter / port / bus / device info structures...
+ */
+
+typedef union _MPT_FRAME_TRACKER {
+ struct {
+ struct list_head list;
+ u32 arg1;
+ u32 pad;
+ void *argp1;
+ } linkage;
+ /*
+ * NOTE: When request frames are free, on the linkage structure
+ * contets are valid. All other values are invalid.
+ * In particular, do NOT reply on offset [2]
+ * (in words) being the * message context.
+ * The message context must be reset (computed via base address
+ * + an offset) prior to issuing any command.
+ *
+ * NOTE2: On non-32-bit systems, where pointers are LARGE,
+ * using the linkage pointers destroys our sacred MsgContext
+ * field contents. But we don't care anymore because these
+ * are now reset in mpt_put_msg_frame() just prior to sending
+ * a request off to the IOC.
+ */
+ struct {
+ u32 __hdr[2];
+ /*
+ * The following _MUST_ match the location of the
+ * MsgContext field in the MPT message headers.
+ */
+ union {
+ u32 MsgContext;
+ struct {
+ u16 req_idx; /* Request index */
+ u8 cb_idx; /* callback function index */
+ u8 rsvd;
+ } fld;
+ } msgctxu;
+ } hwhdr;
+ /*
+ * Remark: 32 bit identifier:
+ * 31-24: reserved
+ * 23-16: call back index
+ * 15-0 : request index
+ */
+} MPT_FRAME_TRACKER;
+
+/*
+ * We might want to view/access a frame as:
+ * 1) generic request header
+ * 2) SCSIIORequest
+ * 3) SCSIIOReply
+ * 4) MPIDefaultReply
+ * 5) frame tracker
+ */
+typedef struct _MPT_FRAME_HDR {
+ union {
+ MPIHeader_t hdr;
+ SCSIIORequest_t scsireq;
+ SCSIIOReply_t sreply;
+ ConfigReply_t configreply;
+ MPIDefaultReply_t reply;
+ MPT_FRAME_TRACKER frame;
+ } u;
+} MPT_FRAME_HDR;
+
+#define MPT_REQ_MSGFLAGS_DROPME 0x80
+
+typedef struct _MPT_SGL_HDR {
+ SGESimple32_t sge[1];
+} MPT_SGL_HDR;
+
+typedef struct _MPT_SGL64_HDR {
+ SGESimple64_t sge[1];
+} MPT_SGL64_HDR;
+
+/*
+ * System interface register set
+ */
+
+typedef struct _SYSIF_REGS
+{
+ u32 Doorbell; /* 00 System<->IOC Doorbell reg */
+ u32 WriteSequence; /* 04 Write Sequence register */
+ u32 Diagnostic; /* 08 Diagnostic register */
+ u32 TestBase; /* 0C Test Base Address */
+ u32 DiagRwData; /* 10 Read Write Data (fw download) */
+ u32 DiagRwAddress; /* 14 Read Write Address (fw download)*/
+ u32 Reserved1[6]; /* 18-2F reserved for future use */
+ u32 IntStatus; /* 30 Interrupt Status */
+ u32 IntMask; /* 34 Interrupt Mask */
+ u32 Reserved2[2]; /* 38-3F reserved for future use */
+ u32 RequestFifo; /* 40 Request Post/Free FIFO */
+ u32 ReplyFifo; /* 44 Reply Post/Free FIFO */
+ u32 RequestHiPriFifo; /* 48 Hi Priority Request FIFO */
+ u32 Reserved3; /* 4C-4F reserved for future use */
+ u32 HostIndex; /* 50 Host Index register */
+ u32 Reserved4[15]; /* 54-8F */
+ u32 Fubar; /* 90 For Fubar usage */
+ u32 Reserved5[1050];/* 94-10F8 */
+ u32 Reset_1078; /* 10FC Reset 1078 */
+} SYSIF_REGS;
+
+/*
+ * NOTE: Use MPI_{DOORBELL,WRITESEQ,DIAG}_xxx defs in lsi/mpi.h
+ * in conjunction with SYSIF_REGS accesses!
+ */
+
+
+/*
+ * Dynamic Multi-Pathing specific stuff...
+ */
+
+/* VirtTarget negoFlags field */
+#define MPT_TARGET_NO_NEGO_WIDE 0x01
+#define MPT_TARGET_NO_NEGO_SYNC 0x02
+#define MPT_TARGET_NO_NEGO_QAS 0x04
+#define MPT_TAPE_NEGO_IDP 0x08
+
+/*
+ * VirtDevice - FC LUN device or SCSI target device
+ */
+typedef struct _VirtTarget {
+ struct scsi_target *starget;
+ u8 tflags;
+ u8 ioc_id;
+ u8 id;
+ u8 channel;
+ u8 minSyncFactor; /* 0xFF is async */
+ u8 maxOffset; /* 0 if async */
+ u8 maxWidth; /* 0 if narrow, 1 if wide */
+ u8 negoFlags; /* bit field, see above */
+ u8 raidVolume; /* set, if RAID Volume */
+ u8 type; /* byte 0 of Inquiry data */
+ u8 deleted; /* target in process of being removed */
+ u8 inDMD; /* currently in the device
+ removal delay timer */
+ u32 num_luns;
+} VirtTarget;
+
+typedef struct _VirtDevice {
+ VirtTarget *vtarget;
+ u8 configured_lun;
+ u64 lun;
+} VirtDevice;
+
+/*
+ * Fibre Channel (SCSI) target device and associated defines...
+ */
+#define MPT_TARGET_DEFAULT_DV_STATUS 0x00
+#define MPT_TARGET_FLAGS_VALID_NEGO 0x01
+#define MPT_TARGET_FLAGS_VALID_INQUIRY 0x02
+#define MPT_TARGET_FLAGS_Q_YES 0x08
+#define MPT_TARGET_FLAGS_VALID_56 0x10
+#define MPT_TARGET_FLAGS_SAF_TE_ISSUED 0x20
+#define MPT_TARGET_FLAGS_RAID_COMPONENT 0x40
+#define MPT_TARGET_FLAGS_LED_ON 0x80
+
+/*
+ * IOCTL structure and associated defines
+ */
+
+#define MPTCTL_RESET_OK 0x01 /* Issue Bus Reset */
+
+#define MPT_MGMT_STATUS_RF_VALID 0x01 /* The Reply Frame is VALID */
+#define MPT_MGMT_STATUS_COMMAND_GOOD 0x02 /* Command Status GOOD */
+#define MPT_MGMT_STATUS_PENDING 0x04 /* command is pending */
+#define MPT_MGMT_STATUS_DID_IOCRESET 0x08 /* IOC Reset occurred
+ on the current*/
+#define MPT_MGMT_STATUS_SENSE_VALID 0x10 /* valid sense info */
+#define MPT_MGMT_STATUS_TIMER_ACTIVE 0x20 /* obsolete */
+#define MPT_MGMT_STATUS_FREE_MF 0x40 /* free the mf from
+ complete routine */
+
+#define INITIALIZE_MGMT_STATUS(status) \
+ status = MPT_MGMT_STATUS_PENDING;
+#define CLEAR_MGMT_STATUS(status) \
+ status = 0;
+#define CLEAR_MGMT_PENDING_STATUS(status) \
+ status &= ~MPT_MGMT_STATUS_PENDING;
+#define SET_MGMT_MSG_CONTEXT(msg_context, value) \
+ msg_context = value;
+
+typedef struct _MPT_MGMT {
+ struct mutex mutex;
+ struct completion done;
+ u8 reply[MPT_DEFAULT_FRAME_SIZE]; /* reply frame data */
+ u8 sense[MPT_SENSE_BUFFER_ALLOC];
+ u8 status; /* current command status */
+ int completion_code;
+ u32 msg_context;
+} MPT_MGMT;
+
+/*
+ * Event Structure and define
+ */
+#define MPTCTL_EVENT_LOG_SIZE (0x000000032)
+typedef struct _mpt_ioctl_events {
+ u32 event; /* Specified by define above */
+ u32 eventContext; /* Index or counter */
+ u32 data[2]; /* First 8 bytes of Event Data */
+} MPT_IOCTL_EVENTS;
+
+/*
+ * CONFIGPARM status defines
+ */
+#define MPT_CONFIG_GOOD MPI_IOCSTATUS_SUCCESS
+#define MPT_CONFIG_ERROR 0x002F
+
+/*
+ * Substructure to store SCSI specific configuration page data
+ */
+ /* dvStatus defines: */
+#define MPT_SCSICFG_USE_NVRAM 0x01 /* WriteSDP1 using NVRAM */
+#define MPT_SCSICFG_ALL_IDS 0x02 /* WriteSDP1 to all IDS */
+/* #define MPT_SCSICFG_BLK_NEGO 0x10 WriteSDP1 with WDTR and SDTR disabled */
+
+typedef struct _SpiCfgData {
+ u32 PortFlags;
+ int *nvram; /* table of device NVRAM values */
+ IOCPage4_t *pIocPg4; /* SEP devices addressing */
+ dma_addr_t IocPg4_dma; /* Phys Addr of IOCPage4 data */
+ int IocPg4Sz; /* IOCPage4 size */
+ u8 minSyncFactor; /* 0xFF if async */
+ u8 maxSyncOffset; /* 0 if async */
+ u8 maxBusWidth; /* 0 if narrow, 1 if wide */
+ u8 busType; /* SE, LVD, HD */
+ u8 sdp1version; /* SDP1 version */
+ u8 sdp1length; /* SDP1 length */
+ u8 sdp0version; /* SDP0 version */
+ u8 sdp0length; /* SDP0 length */
+ u8 dvScheduled; /* 1 if scheduled */
+ u8 noQas; /* Disable QAS for this adapter */
+ u8 Saf_Te; /* 1 to force all Processors as
+ * SAF-TE if Inquiry data length
+ * is too short to check for SAF-TE
+ */
+ u8 bus_reset; /* 1 to allow bus reset */
+ u8 rsvd[1];
+}SpiCfgData;
+
+typedef struct _SasCfgData {
+ u8 ptClear; /* 1 to automatically clear the
+ * persistent table.
+ * 0 to disable
+ * automatic clearing.
+ */
+}SasCfgData;
+
+/*
+ * Inactive volume link list of raid component data
+ * @inactive_list
+ */
+struct inactive_raid_component_info {
+ struct list_head list;
+ u8 volumeID; /* volume target id */
+ u8 volumeBus; /* volume channel */
+ IOC_3_PHYS_DISK d; /* phys disk info */
+};
+
+typedef struct _RaidCfgData {
+ IOCPage2_t *pIocPg2; /* table of Raid Volumes */
+ IOCPage3_t *pIocPg3; /* table of physical disks */
+ struct mutex inactive_list_mutex;
+ struct list_head inactive_list; /* link list for physical
+ disk that belong in
+ inactive volumes */
+}RaidCfgData;
+
+typedef struct _FcCfgData {
+ /* will ultimately hold fc_port_page0 also */
+ struct {
+ FCPortPage1_t *data;
+ dma_addr_t dma;
+ int pg_sz;
+ } fc_port_page1[2];
+} FcCfgData;
+
+#define MPT_RPORT_INFO_FLAGS_REGISTERED 0x01 /* rport registered */
+#define MPT_RPORT_INFO_FLAGS_MISSING 0x02 /* missing from DevPage0 scan */
+
+/*
+ * data allocated for each fc rport device
+ */
+struct mptfc_rport_info
+{
+ struct list_head list;
+ struct fc_rport *rport;
+ struct scsi_target *starget;
+ FCDevicePage0_t pg0;
+ u8 flags;
+};
+
+/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
+
+/*
+ * MPT_SCSI_HOST defines - Used by the IOCTL and the SCSI drivers
+ * Private to the driver.
+ */
+
+#define MPT_HOST_BUS_UNKNOWN (0xFF)
+#define MPT_HOST_TOO_MANY_TM (0x05)
+#define MPT_HOST_NVRAM_INVALID (0xFFFFFFFF)
+#define MPT_HOST_NO_CHAIN (0xFFFFFFFF)
+#define MPT_NVRAM_MASK_TIMEOUT (0x000000FF)
+#define MPT_NVRAM_SYNC_MASK (0x0000FF00)
+#define MPT_NVRAM_SYNC_SHIFT (8)
+#define MPT_NVRAM_DISCONNECT_ENABLE (0x00010000)
+#define MPT_NVRAM_ID_SCAN_ENABLE (0x00020000)
+#define MPT_NVRAM_LUN_SCAN_ENABLE (0x00040000)
+#define MPT_NVRAM_TAG_QUEUE_ENABLE (0x00080000)
+#define MPT_NVRAM_WIDE_DISABLE (0x00100000)
+#define MPT_NVRAM_BOOT_CHOICE (0x00200000)
+
+typedef enum {
+ FC,
+ SPI,
+ SAS
+} BUS_TYPE;
+
+typedef struct _MPT_SCSI_HOST {
+ struct _MPT_ADAPTER *ioc;
+ ushort sel_timeout[MPT_MAX_FC_DEVICES];
+ char *info_kbuf;
+ long last_queue_full;
+ u16 spi_pending;
+ struct list_head target_reset_list;
+} MPT_SCSI_HOST;
+
+typedef void (*MPT_ADD_SGE)(void *pAddr, u32 flagslength, dma_addr_t dma_addr);
+typedef void (*MPT_ADD_CHAIN)(void *pAddr, u8 next, u16 length,
+ dma_addr_t dma_addr);
+typedef void (*MPT_SCHEDULE_TARGET_RESET)(void *ioc);
+typedef void (*MPT_FLUSH_RUNNING_CMDS)(MPT_SCSI_HOST *hd);
+
+/*
+ * Adapter Structure - pci_dev specific. Maximum: MPT_MAX_ADAPTERS
+ */
+typedef struct _MPT_ADAPTER
+{
+ int id; /* Unique adapter id N {0,1,2,...} */
+ int pci_irq; /* This irq */
+ char name[MPT_NAME_LENGTH]; /* "iocN" */
+ const char *prod_name; /* "LSIFC9x9" */
+#ifdef CONFIG_FUSION_LOGGING
+ /* used in mpt_display_event_info */
+ char evStr[EVENT_DESCR_STR_SZ];
+#endif
+ char board_name[16];
+ char board_assembly[16];
+ char board_tracer[16];
+ u16 nvdata_version_persistent;
+ u16 nvdata_version_default;
+ int debug_level;
+ u8 io_missing_delay;
+ u16 device_missing_delay;
+ SYSIF_REGS __iomem *chip; /* == c8817000 (mmap) */
+ SYSIF_REGS __iomem *pio_chip; /* Programmed IO (downloadboot) */
+ u8 bus_type;
+ u32 mem_phys; /* == f4020000 (mmap) */
+ u32 pio_mem_phys; /* Programmed IO (downloadboot) */
+ int mem_size; /* mmap memory size */
+ int number_of_buses;
+ int devices_per_bus;
+ int alloc_total;
+ u32 last_state;
+ int active;
+ u8 *alloc; /* frames alloc ptr */
+ dma_addr_t alloc_dma;
+ u32 alloc_sz;
+ MPT_FRAME_HDR *reply_frames; /* Reply msg frames - rounded up! */
+ u32 reply_frames_low_dma;
+ int reply_depth; /* Num Allocated reply frames */
+ int reply_sz; /* Reply frame size */
+ int num_chain; /* Number of chain buffers */
+ MPT_ADD_SGE add_sge; /* Pointer to add_sge
+ function */
+ MPT_ADD_CHAIN add_chain; /* Pointer to add_chain
+ function */
+ /* Pool of buffers for chaining. ReqToChain
+ * and ChainToChain track index of chain buffers.
+ * ChainBuffer (DMA) virt/phys addresses.
+ * FreeChainQ (lock) locking mechanisms.
+ */
+ int *ReqToChain;
+ int *RequestNB;
+ int *ChainToChain;
+ u8 *ChainBuffer;
+ dma_addr_t ChainBufferDMA;
+ struct list_head FreeChainQ;
+ spinlock_t FreeChainQlock;
+ /* We (host driver) get to manage our own RequestQueue! */
+ dma_addr_t req_frames_dma;
+ MPT_FRAME_HDR *req_frames; /* Request msg frames - rounded up! */
+ u32 req_frames_low_dma;
+ int req_depth; /* Number of request frames */
+ int req_sz; /* Request frame size (bytes) */
+ spinlock_t FreeQlock;
+ struct list_head FreeQ;
+ /* Pool of SCSI sense buffers for commands coming from
+ * the SCSI mid-layer. We have one 256 byte sense buffer
+ * for each REQ entry.
+ */
+ u8 *sense_buf_pool;
+ dma_addr_t sense_buf_pool_dma;
+ u32 sense_buf_low_dma;
+ u8 *HostPageBuffer; /* SAS - host page buffer support */
+ u32 HostPageBuffer_sz;
+ dma_addr_t HostPageBuffer_dma;
+ int mtrr_reg;
+ struct pci_dev *pcidev; /* struct pci_dev pointer */
+ int bars; /* bitmask of BAR's that must be configured */
+ int msi_enable;
+ u8 __iomem *memmap; /* mmap address */
+ struct Scsi_Host *sh; /* Scsi Host pointer */
+ SpiCfgData spi_data; /* Scsi config. data */
+ RaidCfgData raid_data; /* Raid config. data */
+ SasCfgData sas_data; /* Sas config. data */
+ FcCfgData fc_data; /* Fc config. data */
+ struct proc_dir_entry *ioc_dentry;
+ struct _MPT_ADAPTER *alt_ioc; /* ptr to 929 bound adapter port */
+ u32 biosVersion; /* BIOS version from IO Unit Page 2 */
+ int eventTypes; /* Event logging parameters */
+ int eventContext; /* Next event context */
+ int eventLogSize; /* Max number of cached events */
+ struct _mpt_ioctl_events *events; /* pointer to event log */
+ u8 *cached_fw; /* Pointer to FW */
+ dma_addr_t cached_fw_dma;
+ int hs_reply_idx;
+#ifndef MFCNT
+ u32 pad0;
+#else
+ u32 mfcnt;
+#endif
+ u32 NB_for_64_byte_frame;
+ u32 hs_req[MPT_MAX_FRAME_SIZE/sizeof(u32)];
+ u16 hs_reply[MPT_MAX_FRAME_SIZE/sizeof(u16)];
+ IOCFactsReply_t facts;
+ PortFactsReply_t pfacts[2];
+ FCPortPage0_t fc_port_page0[2];
+ LANPage0_t lan_cnfg_page0;
+ LANPage1_t lan_cnfg_page1;
+
+ u8 ir_firmware; /* =1 if IR firmware detected */
+ /*
+ * Description: errata_flag_1064
+ * If a PCIX read occurs within 1 or 2 cycles after the chip receives
+ * a split completion for a read data, an internal address pointer incorrectly
+ * increments by 32 bytes
+ */
+ int errata_flag_1064;
+ int aen_event_read_flag; /* flag to indicate event log was read*/
+ u8 FirstWhoInit;
+ u8 upload_fw; /* If set, do a fw upload */
+ u8 NBShiftFactor; /* NB Shift Factor based on Block Size (Facts) */
+ u8 pad1[4];
+ u8 DoneCtx;
+ u8 TaskCtx;
+ u8 InternalCtx;
+ struct list_head list;
+ struct net_device *netdev;
+ struct list_head sas_topology;
+ struct mutex sas_topology_mutex;
+
+ struct workqueue_struct *fw_event_q;
+ struct list_head fw_event_list;
+ spinlock_t fw_event_lock;
+ u8 fw_events_off; /* if '1', then ignore events */
+ char fw_event_q_name[MPT_KOBJ_NAME_LEN];
+
+ struct mutex sas_discovery_mutex;
+ u8 sas_discovery_runtime;
+ u8 sas_discovery_ignore_events;
+
+ /* port_info object for the host */
+ struct mptsas_portinfo *hba_port_info;
+ u64 hba_port_sas_addr;
+ u16 hba_port_num_phy;
+ struct list_head sas_device_info_list;
+ struct mutex sas_device_info_mutex;
+ u8 old_sas_discovery_protocal;
+ u8 sas_discovery_quiesce_io;
+ int sas_index; /* index refrencing */
+ MPT_MGMT sas_mgmt;
+ MPT_MGMT mptbase_cmds; /* for sending config pages */
+ MPT_MGMT internal_cmds;
+ MPT_MGMT taskmgmt_cmds;
+ MPT_MGMT ioctl_cmds;
+ spinlock_t taskmgmt_lock; /* diagnostic reset lock */
+ int taskmgmt_in_progress;
+ u8 taskmgmt_quiesce_io;
+ u8 ioc_reset_in_progress;
+ u8 reset_status;
+ u8 wait_on_reset_completion;
+ MPT_SCHEDULE_TARGET_RESET schedule_target_reset;
+ MPT_FLUSH_RUNNING_CMDS schedule_dead_ioc_flush_running_cmds;
+ struct work_struct sas_persist_task;
+
+ struct work_struct fc_setup_reset_work;
+ struct list_head fc_rports;
+ struct work_struct fc_lsc_work;
+ u8 fc_link_speed[2];
+ spinlock_t fc_rescan_work_lock;
+ struct work_struct fc_rescan_work;
+ char fc_rescan_work_q_name[MPT_KOBJ_NAME_LEN];
+ struct workqueue_struct *fc_rescan_work_q;
+
+ /* driver forced bus resets count */
+ unsigned long hard_resets;
+ /* fw/external bus resets count */
+ unsigned long soft_resets;
+ /* cmd timeouts */
+ unsigned long timeouts;
+
+ struct scsi_cmnd **ScsiLookup;
+ spinlock_t scsi_lookup_lock;
+ u64 dma_mask;
+ u32 broadcast_aen_busy;
+ char reset_work_q_name[MPT_KOBJ_NAME_LEN];
+ struct workqueue_struct *reset_work_q;
+ struct delayed_work fault_reset_work;
+
+ u8 sg_addr_size;
+ u8 in_rescan;
+ u8 SGE_size;
+
+} MPT_ADAPTER;
+
+/*
+ * New return value convention:
+ * 1 = Ok to free associated request frame
+ * 0 = not Ok ...
+ */
+typedef int (*MPT_CALLBACK)(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req, MPT_FRAME_HDR *reply);
+typedef int (*MPT_EVHANDLER)(MPT_ADAPTER *ioc, EventNotificationReply_t *evReply);
+typedef int (*MPT_RESETHANDLER)(MPT_ADAPTER *ioc, int reset_phase);
+/* reset_phase defs */
+#define MPT_IOC_PRE_RESET 0
+#define MPT_IOC_POST_RESET 1
+#define MPT_IOC_SETUP_RESET 2
+
+/*
+ * Invent MPT host event (super-set of MPI Events)
+ * Fitted to 1030's 64-byte [max] request frame size
+ */
+typedef struct _MPT_HOST_EVENT {
+ EventNotificationReply_t MpiEvent; /* 8 32-bit words! */
+ u32 pad[6];
+ void *next;
+} MPT_HOST_EVENT;
+
+#define MPT_HOSTEVENT_IOC_BRINGUP 0x91
+#define MPT_HOSTEVENT_IOC_RECOVER 0x92
+
+/* Define the generic types based on the size
+ * of the dma_addr_t type.
+ */
+typedef struct _mpt_sge {
+ u32 FlagsLength;
+ dma_addr_t Address;
+} MptSge_t;
+
+
+#define mpt_msg_flags(ioc) \
+ (ioc->sg_addr_size == sizeof(u64)) ? \
+ MPI_SCSIIO_MSGFLGS_SENSE_WIDTH_64 : \
+ MPI_SCSIIO_MSGFLGS_SENSE_WIDTH_32
+
+#define MPT_SGE_FLAGS_64_BIT_ADDRESSING \
+ (MPI_SGE_FLAGS_64_BIT_ADDRESSING << MPI_SGE_FLAGS_SHIFT)
+
+/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
+/*
+ * Funky (private) macros...
+ */
+#include "mptdebug.h"
+
+#define MPT_INDEX_2_MFPTR(ioc,idx) \
+ (MPT_FRAME_HDR*)( (u8*)(ioc)->req_frames + (ioc)->req_sz * (idx) )
+
+#define MFPTR_2_MPT_INDEX(ioc,mf) \
+ (int)( ((u8*)mf - (u8*)(ioc)->req_frames) / (ioc)->req_sz )
+
+#define MPT_INDEX_2_RFPTR(ioc,idx) \
+ (MPT_FRAME_HDR*)( (u8*)(ioc)->reply_frames + (ioc)->req_sz * (idx) )
+
+/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
+
+#define SCSI_STD_SENSE_BYTES 18
+#define SCSI_STD_INQUIRY_BYTES 36
+#define SCSI_MAX_INQUIRY_BYTES 96
+
+/*
+ * MPT_SCSI_HOST defines - Used by the IOCTL and the SCSI drivers
+ * Private to the driver.
+ */
+/* LOCAL structure and fields used when processing
+ * internally generated commands. These include:
+ * bus scan, dv and config requests.
+ */
+typedef struct _MPT_LOCAL_REPLY {
+ ConfigPageHeader_t header;
+ int completion;
+ u8 sense[SCSI_STD_SENSE_BYTES];
+ u8 scsiStatus;
+ u8 skip;
+ u32 pad;
+} MPT_LOCAL_REPLY;
+
+
+/* The TM_STATE variable is used to provide strict single threading of TM
+ * requests as well as communicate TM error conditions.
+ */
+#define TM_STATE_NONE (0)
+#define TM_STATE_IN_PROGRESS (1)
+#define TM_STATE_ERROR (2)
+
+/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
+/*
+ * More Dynamic Multi-Pathing stuff...
+ */
+
+/* Forward decl, a strange C thing, to prevent gcc compiler warnings */
+struct scsi_cmnd;
+
+/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
+/*
+ * Generic structure passed to the base mpt_config function.
+ */
+typedef struct _x_config_parms {
+ union {
+ ConfigExtendedPageHeader_t *ehdr;
+ ConfigPageHeader_t *hdr;
+ } cfghdr;
+ dma_addr_t physAddr;
+ u32 pageAddr; /* properly formatted */
+ u16 status;
+ u8 action;
+ u8 dir;
+ u8 timeout; /* seconds */
+} CONFIGPARMS;
+
+/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
+/*
+ * Public entry points...
+ */
+extern int mpt_attach(struct pci_dev *pdev, const struct pci_device_id *id);
+extern void mpt_detach(struct pci_dev *pdev);
+#ifdef CONFIG_PM
+extern int mpt_suspend(struct pci_dev *pdev, pm_message_t state);
+extern int mpt_resume(struct pci_dev *pdev);
+#endif
+extern u8 mpt_register(MPT_CALLBACK cbfunc, MPT_DRIVER_CLASS dclass,
+ char *func_name);
+extern void mpt_deregister(u8 cb_idx);
+extern int mpt_event_register(u8 cb_idx, MPT_EVHANDLER ev_cbfunc);
+extern void mpt_event_deregister(u8 cb_idx);
+extern int mpt_reset_register(u8 cb_idx, MPT_RESETHANDLER reset_func);
+extern void mpt_reset_deregister(u8 cb_idx);
+extern int mpt_device_driver_register(struct mpt_pci_driver * dd_cbfunc, u8 cb_idx);
+extern void mpt_device_driver_deregister(u8 cb_idx);
+extern MPT_FRAME_HDR *mpt_get_msg_frame(u8 cb_idx, MPT_ADAPTER *ioc);
+extern void mpt_free_msg_frame(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf);
+extern void mpt_put_msg_frame(u8 cb_idx, MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf);
+extern void mpt_put_msg_frame_hi_pri(u8 cb_idx, MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf);
+
+extern int mpt_send_handshake_request(u8 cb_idx, MPT_ADAPTER *ioc, int reqBytes, u32 *req, int sleepFlag);
+extern int mpt_verify_adapter(int iocid, MPT_ADAPTER **iocpp);
+extern u32 mpt_GetIocState(MPT_ADAPTER *ioc, int cooked);
+extern void mpt_print_ioc_summary(MPT_ADAPTER *ioc, char *buf, int *size, int len, int showlan);
+extern int mpt_HardResetHandler(MPT_ADAPTER *ioc, int sleepFlag);
+extern int mpt_Soft_Hard_ResetHandler(MPT_ADAPTER *ioc, int sleepFlag);
+extern int mpt_config(MPT_ADAPTER *ioc, CONFIGPARMS *cfg);
+extern int mpt_alloc_fw_memory(MPT_ADAPTER *ioc, int size);
+extern void mpt_free_fw_memory(MPT_ADAPTER *ioc);
+extern int mpt_findImVolumes(MPT_ADAPTER *ioc);
+extern int mptbase_sas_persist_operation(MPT_ADAPTER *ioc, u8 persist_opcode);
+extern int mpt_raid_phys_disk_pg0(MPT_ADAPTER *ioc, u8 phys_disk_num, pRaidPhysDiskPage0_t phys_disk);
+extern int mpt_raid_phys_disk_pg1(MPT_ADAPTER *ioc, u8 phys_disk_num,
+ pRaidPhysDiskPage1_t phys_disk);
+extern int mpt_raid_phys_disk_get_num_paths(MPT_ADAPTER *ioc,
+ u8 phys_disk_num);
+extern int mpt_set_taskmgmt_in_progress_flag(MPT_ADAPTER *ioc);
+extern void mpt_clear_taskmgmt_in_progress_flag(MPT_ADAPTER *ioc);
+extern void mpt_halt_firmware(MPT_ADAPTER *ioc);
+
+
+/*
+ * Public data decl's...
+ */
+extern struct list_head ioc_list;
+extern int mpt_fwfault_debug;
+
+/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
+#endif /* } __KERNEL__ */
+
+#ifdef CONFIG_64BIT
+#define CAST_U32_TO_PTR(x) ((void *)(u64)x)
+#define CAST_PTR_TO_U32(x) ((u32)(u64)x)
+#else
+#define CAST_U32_TO_PTR(x) ((void *)x)
+#define CAST_PTR_TO_U32(x) ((u32)x)
+#endif
+
+#define MPT_PROTOCOL_FLAGS_c_c_c_c(pflags) \
+ ((pflags) & MPI_PORTFACTS_PROTOCOL_INITIATOR) ? 'I' : 'i', \
+ ((pflags) & MPI_PORTFACTS_PROTOCOL_TARGET) ? 'T' : 't', \
+ ((pflags) & MPI_PORTFACTS_PROTOCOL_LAN) ? 'L' : 'l', \
+ ((pflags) & MPI_PORTFACTS_PROTOCOL_LOGBUSADDR) ? 'B' : 'b'
+
+/*
+ * Shifted SGE Defines - Use in SGE with FlagsLength member.
+ * Otherwise, use MPI_xxx defines (refer to "lsi/mpi.h" header).
+ * Defaults: 32 bit SGE, SYSTEM_ADDRESS if direction bit is 0, read
+ */
+#define MPT_TRANSFER_IOC_TO_HOST (0x00000000)
+#define MPT_TRANSFER_HOST_TO_IOC (0x04000000)
+#define MPT_SGE_FLAGS_LAST_ELEMENT (0x80000000)
+#define MPT_SGE_FLAGS_END_OF_BUFFER (0x40000000)
+#define MPT_SGE_FLAGS_LOCAL_ADDRESS (0x08000000)
+#define MPT_SGE_FLAGS_DIRECTION (0x04000000)
+#define MPT_SGE_FLAGS_END_OF_LIST (0x01000000)
+
+#define MPT_SGE_FLAGS_TRANSACTION_ELEMENT (0x00000000)
+#define MPT_SGE_FLAGS_SIMPLE_ELEMENT (0x10000000)
+#define MPT_SGE_FLAGS_CHAIN_ELEMENT (0x30000000)
+#define MPT_SGE_FLAGS_ELEMENT_MASK (0x30000000)
+
+#define MPT_SGE_FLAGS_SSIMPLE_READ \
+ (MPT_SGE_FLAGS_LAST_ELEMENT | \
+ MPT_SGE_FLAGS_END_OF_BUFFER | \
+ MPT_SGE_FLAGS_END_OF_LIST | \
+ MPT_SGE_FLAGS_SIMPLE_ELEMENT | \
+ MPT_TRANSFER_IOC_TO_HOST)
+#define MPT_SGE_FLAGS_SSIMPLE_WRITE \
+ (MPT_SGE_FLAGS_LAST_ELEMENT | \
+ MPT_SGE_FLAGS_END_OF_BUFFER | \
+ MPT_SGE_FLAGS_END_OF_LIST | \
+ MPT_SGE_FLAGS_SIMPLE_ELEMENT | \
+ MPT_TRANSFER_HOST_TO_IOC)
+
+/*}-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
+#endif
+
Code Review / kvmfornfv.git / blobdiff