--- /dev/null
+/*
+ * Adaptec AAC series RAID controller driver
+ * (c) Copyright 2001 Red Hat Inc.
+ *
+ * based on the old aacraid driver that is..
+ * Adaptec aacraid device driver for Linux.
+ *
+ * Copyright (c) 2000-2010 Adaptec, Inc.
+ * 2010 PMC-Sierra, Inc. (aacraid@pmc-sierra.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, 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; see the file COPYING. If not, write to
+ * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/types.h>
+#include <linux/pci.h>
+#include <linux/spinlock.h>
+#include <linux/slab.h>
+#include <linux/completion.h>
+#include <linux/blkdev.h>
+#include <asm/uaccess.h>
+#include <linux/highmem.h> /* For flush_kernel_dcache_page */
+#include <linux/module.h>
+
+#include <scsi/scsi.h>
+#include <scsi/scsi_cmnd.h>
+#include <scsi/scsi_device.h>
+#include <scsi/scsi_host.h>
+
+#include "aacraid.h"
+
+/* values for inqd_pdt: Peripheral device type in plain English */
+#define INQD_PDT_DA 0x00 /* Direct-access (DISK) device */
+#define INQD_PDT_PROC 0x03 /* Processor device */
+#define INQD_PDT_CHNGR 0x08 /* Changer (jukebox, scsi2) */
+#define INQD_PDT_COMM 0x09 /* Communication device (scsi2) */
+#define INQD_PDT_NOLUN2 0x1f /* Unknown Device (scsi2) */
+#define INQD_PDT_NOLUN 0x7f /* Logical Unit Not Present */
+
+#define INQD_PDT_DMASK 0x1F /* Peripheral Device Type Mask */
+#define INQD_PDT_QMASK 0xE0 /* Peripheral Device Qualifer Mask */
+
+/*
+ * Sense codes
+ */
+
+#define SENCODE_NO_SENSE 0x00
+#define SENCODE_END_OF_DATA 0x00
+#define SENCODE_BECOMING_READY 0x04
+#define SENCODE_INIT_CMD_REQUIRED 0x04
+#define SENCODE_PARAM_LIST_LENGTH_ERROR 0x1A
+#define SENCODE_INVALID_COMMAND 0x20
+#define SENCODE_LBA_OUT_OF_RANGE 0x21
+#define SENCODE_INVALID_CDB_FIELD 0x24
+#define SENCODE_LUN_NOT_SUPPORTED 0x25
+#define SENCODE_INVALID_PARAM_FIELD 0x26
+#define SENCODE_PARAM_NOT_SUPPORTED 0x26
+#define SENCODE_PARAM_VALUE_INVALID 0x26
+#define SENCODE_RESET_OCCURRED 0x29
+#define SENCODE_LUN_NOT_SELF_CONFIGURED_YET 0x3E
+#define SENCODE_INQUIRY_DATA_CHANGED 0x3F
+#define SENCODE_SAVING_PARAMS_NOT_SUPPORTED 0x39
+#define SENCODE_DIAGNOSTIC_FAILURE 0x40
+#define SENCODE_INTERNAL_TARGET_FAILURE 0x44
+#define SENCODE_INVALID_MESSAGE_ERROR 0x49
+#define SENCODE_LUN_FAILED_SELF_CONFIG 0x4c
+#define SENCODE_OVERLAPPED_COMMAND 0x4E
+
+/*
+ * Additional sense codes
+ */
+
+#define ASENCODE_NO_SENSE 0x00
+#define ASENCODE_END_OF_DATA 0x05
+#define ASENCODE_BECOMING_READY 0x01
+#define ASENCODE_INIT_CMD_REQUIRED 0x02
+#define ASENCODE_PARAM_LIST_LENGTH_ERROR 0x00
+#define ASENCODE_INVALID_COMMAND 0x00
+#define ASENCODE_LBA_OUT_OF_RANGE 0x00
+#define ASENCODE_INVALID_CDB_FIELD 0x00
+#define ASENCODE_LUN_NOT_SUPPORTED 0x00
+#define ASENCODE_INVALID_PARAM_FIELD 0x00
+#define ASENCODE_PARAM_NOT_SUPPORTED 0x01
+#define ASENCODE_PARAM_VALUE_INVALID 0x02
+#define ASENCODE_RESET_OCCURRED 0x00
+#define ASENCODE_LUN_NOT_SELF_CONFIGURED_YET 0x00
+#define ASENCODE_INQUIRY_DATA_CHANGED 0x03
+#define ASENCODE_SAVING_PARAMS_NOT_SUPPORTED 0x00
+#define ASENCODE_DIAGNOSTIC_FAILURE 0x80
+#define ASENCODE_INTERNAL_TARGET_FAILURE 0x00
+#define ASENCODE_INVALID_MESSAGE_ERROR 0x00
+#define ASENCODE_LUN_FAILED_SELF_CONFIG 0x00
+#define ASENCODE_OVERLAPPED_COMMAND 0x00
+
+#define BYTE0(x) (unsigned char)(x)
+#define BYTE1(x) (unsigned char)((x) >> 8)
+#define BYTE2(x) (unsigned char)((x) >> 16)
+#define BYTE3(x) (unsigned char)((x) >> 24)
+
+/* MODE_SENSE data format */
+typedef struct {
+ struct {
+ u8 data_length;
+ u8 med_type;
+ u8 dev_par;
+ u8 bd_length;
+ } __attribute__((packed)) hd;
+ struct {
+ u8 dens_code;
+ u8 block_count[3];
+ u8 reserved;
+ u8 block_length[3];
+ } __attribute__((packed)) bd;
+ u8 mpc_buf[3];
+} __attribute__((packed)) aac_modep_data;
+
+/* MODE_SENSE_10 data format */
+typedef struct {
+ struct {
+ u8 data_length[2];
+ u8 med_type;
+ u8 dev_par;
+ u8 rsrvd[2];
+ u8 bd_length[2];
+ } __attribute__((packed)) hd;
+ struct {
+ u8 dens_code;
+ u8 block_count[3];
+ u8 reserved;
+ u8 block_length[3];
+ } __attribute__((packed)) bd;
+ u8 mpc_buf[3];
+} __attribute__((packed)) aac_modep10_data;
+
+/*------------------------------------------------------------------------------
+ * S T R U C T S / T Y P E D E F S
+ *----------------------------------------------------------------------------*/
+/* SCSI inquiry data */
+struct inquiry_data {
+ u8 inqd_pdt; /* Peripheral qualifier | Peripheral Device Type */
+ u8 inqd_dtq; /* RMB | Device Type Qualifier */
+ u8 inqd_ver; /* ISO version | ECMA version | ANSI-approved version */
+ u8 inqd_rdf; /* AENC | TrmIOP | Response data format */
+ u8 inqd_len; /* Additional length (n-4) */
+ u8 inqd_pad1[2];/* Reserved - must be zero */
+ u8 inqd_pad2; /* RelAdr | WBus32 | WBus16 | Sync | Linked |Reserved| CmdQue | SftRe */
+ u8 inqd_vid[8]; /* Vendor ID */
+ u8 inqd_pid[16];/* Product ID */
+ u8 inqd_prl[4]; /* Product Revision Level */
+};
+
+/* Added for VPD 0x83 */
+typedef struct {
+ u8 CodeSet:4; /* VPD_CODE_SET */
+ u8 Reserved:4;
+ u8 IdentifierType:4; /* VPD_IDENTIFIER_TYPE */
+ u8 Reserved2:4;
+ u8 Reserved3;
+ u8 IdentifierLength;
+ u8 VendId[8];
+ u8 ProductId[16];
+ u8 SerialNumber[8]; /* SN in ASCII */
+
+} TVPD_ID_Descriptor_Type_1;
+
+typedef struct {
+ u8 CodeSet:4; /* VPD_CODE_SET */
+ u8 Reserved:4;
+ u8 IdentifierType:4; /* VPD_IDENTIFIER_TYPE */
+ u8 Reserved2:4;
+ u8 Reserved3;
+ u8 IdentifierLength;
+ struct TEU64Id {
+ u32 Serial;
+ /* The serial number supposed to be 40 bits,
+ * bit we only support 32, so make the last byte zero. */
+ u8 Reserved;
+ u8 VendId[3];
+ } EU64Id;
+
+} TVPD_ID_Descriptor_Type_2;
+
+typedef struct {
+ u8 DeviceType:5;
+ u8 DeviceTypeQualifier:3;
+ u8 PageCode;
+ u8 Reserved;
+ u8 PageLength;
+ TVPD_ID_Descriptor_Type_1 IdDescriptorType1;
+ TVPD_ID_Descriptor_Type_2 IdDescriptorType2;
+
+} TVPD_Page83;
+
+/*
+ * M O D U L E G L O B A L S
+ */
+
+static long aac_build_sg(struct scsi_cmnd *scsicmd, struct sgmap *sgmap);
+static long aac_build_sg64(struct scsi_cmnd *scsicmd, struct sgmap64 *psg);
+static long aac_build_sgraw(struct scsi_cmnd *scsicmd, struct sgmapraw *psg);
+static long aac_build_sgraw2(struct scsi_cmnd *scsicmd,
+ struct aac_raw_io2 *rio2, int sg_max);
+static int aac_convert_sgraw2(struct aac_raw_io2 *rio2,
+ int pages, int nseg, int nseg_new);
+static int aac_send_srb_fib(struct scsi_cmnd* scsicmd);
+#ifdef AAC_DETAILED_STATUS_INFO
+static char *aac_get_status_string(u32 status);
+#endif
+
+/*
+ * Non dasd selection is handled entirely in aachba now
+ */
+
+static int nondasd = -1;
+static int aac_cache = 2; /* WCE=0 to avoid performance problems */
+static int dacmode = -1;
+int aac_msi;
+int aac_commit = -1;
+int startup_timeout = 180;
+int aif_timeout = 120;
+int aac_sync_mode; /* Only Sync. transfer - disabled */
+int aac_convert_sgl = 1; /* convert non-conformable s/g list - enabled */
+
+module_param(aac_sync_mode, int, S_IRUGO|S_IWUSR);
+MODULE_PARM_DESC(aac_sync_mode, "Force sync. transfer mode"
+ " 0=off, 1=on");
+module_param(aac_convert_sgl, int, S_IRUGO|S_IWUSR);
+MODULE_PARM_DESC(aac_convert_sgl, "Convert non-conformable s/g list"
+ " 0=off, 1=on");
+module_param(nondasd, int, S_IRUGO|S_IWUSR);
+MODULE_PARM_DESC(nondasd, "Control scanning of hba for nondasd devices."
+ " 0=off, 1=on");
+module_param_named(cache, aac_cache, int, S_IRUGO|S_IWUSR);
+MODULE_PARM_DESC(cache, "Disable Queue Flush commands:\n"
+ "\tbit 0 - Disable FUA in WRITE SCSI commands\n"
+ "\tbit 1 - Disable SYNCHRONIZE_CACHE SCSI command\n"
+ "\tbit 2 - Disable only if Battery is protecting Cache");
+module_param(dacmode, int, S_IRUGO|S_IWUSR);
+MODULE_PARM_DESC(dacmode, "Control whether dma addressing is using 64 bit DAC."
+ " 0=off, 1=on");
+module_param_named(commit, aac_commit, int, S_IRUGO|S_IWUSR);
+MODULE_PARM_DESC(commit, "Control whether a COMMIT_CONFIG is issued to the"
+ " adapter for foreign arrays.\n"
+ "This is typically needed in systems that do not have a BIOS."
+ " 0=off, 1=on");
+module_param_named(msi, aac_msi, int, S_IRUGO|S_IWUSR);
+MODULE_PARM_DESC(msi, "IRQ handling."
+ " 0=PIC(default), 1=MSI, 2=MSI-X(unsupported, uses MSI)");
+module_param(startup_timeout, int, S_IRUGO|S_IWUSR);
+MODULE_PARM_DESC(startup_timeout, "The duration of time in seconds to wait for"
+ " adapter to have it's kernel up and\n"
+ "running. This is typically adjusted for large systems that do not"
+ " have a BIOS.");
+module_param(aif_timeout, int, S_IRUGO|S_IWUSR);
+MODULE_PARM_DESC(aif_timeout, "The duration of time in seconds to wait for"
+ " applications to pick up AIFs before\n"
+ "deregistering them. This is typically adjusted for heavily burdened"
+ " systems.");
+
+int numacb = -1;
+module_param(numacb, int, S_IRUGO|S_IWUSR);
+MODULE_PARM_DESC(numacb, "Request a limit to the number of adapter control"
+ " blocks (FIB) allocated. Valid values are 512 and down. Default is"
+ " to use suggestion from Firmware.");
+
+int acbsize = -1;
+module_param(acbsize, int, S_IRUGO|S_IWUSR);
+MODULE_PARM_DESC(acbsize, "Request a specific adapter control block (FIB)"
+ " size. Valid values are 512, 2048, 4096 and 8192. Default is to use"
+ " suggestion from Firmware.");
+
+int update_interval = 30 * 60;
+module_param(update_interval, int, S_IRUGO|S_IWUSR);
+MODULE_PARM_DESC(update_interval, "Interval in seconds between time sync"
+ " updates issued to adapter.");
+
+int check_interval = 24 * 60 * 60;
+module_param(check_interval, int, S_IRUGO|S_IWUSR);
+MODULE_PARM_DESC(check_interval, "Interval in seconds between adapter health"
+ " checks.");
+
+int aac_check_reset = 1;
+module_param_named(check_reset, aac_check_reset, int, S_IRUGO|S_IWUSR);
+MODULE_PARM_DESC(check_reset, "If adapter fails health check, reset the"
+ " adapter. a value of -1 forces the reset to adapters programmed to"
+ " ignore it.");
+
+int expose_physicals = -1;
+module_param(expose_physicals, int, S_IRUGO|S_IWUSR);
+MODULE_PARM_DESC(expose_physicals, "Expose physical components of the arrays."
+ " -1=protect 0=off, 1=on");
+
+int aac_reset_devices;
+module_param_named(reset_devices, aac_reset_devices, int, S_IRUGO|S_IWUSR);
+MODULE_PARM_DESC(reset_devices, "Force an adapter reset at initialization.");
+
+int aac_wwn = 1;
+module_param_named(wwn, aac_wwn, int, S_IRUGO|S_IWUSR);
+MODULE_PARM_DESC(wwn, "Select a WWN type for the arrays:\n"
+ "\t0 - Disable\n"
+ "\t1 - Array Meta Data Signature (default)\n"
+ "\t2 - Adapter Serial Number");
+
+
+static inline int aac_valid_context(struct scsi_cmnd *scsicmd,
+ struct fib *fibptr) {
+ struct scsi_device *device;
+
+ if (unlikely(!scsicmd || !scsicmd->scsi_done)) {
+ dprintk((KERN_WARNING "aac_valid_context: scsi command corrupt\n"));
+ aac_fib_complete(fibptr);
+ aac_fib_free(fibptr);
+ return 0;
+ }
+ scsicmd->SCp.phase = AAC_OWNER_MIDLEVEL;
+ device = scsicmd->device;
+ if (unlikely(!device || !scsi_device_online(device))) {
+ dprintk((KERN_WARNING "aac_valid_context: scsi device corrupt\n"));
+ aac_fib_complete(fibptr);
+ aac_fib_free(fibptr);
+ return 0;
+ }
+ return 1;
+}
+
+/**
+ * aac_get_config_status - check the adapter configuration
+ * @common: adapter to query
+ *
+ * Query config status, and commit the configuration if needed.
+ */
+int aac_get_config_status(struct aac_dev *dev, int commit_flag)
+{
+ int status = 0;
+ struct fib * fibptr;
+
+ if (!(fibptr = aac_fib_alloc(dev)))
+ return -ENOMEM;
+
+ aac_fib_init(fibptr);
+ {
+ struct aac_get_config_status *dinfo;
+ dinfo = (struct aac_get_config_status *) fib_data(fibptr);
+
+ dinfo->command = cpu_to_le32(VM_ContainerConfig);
+ dinfo->type = cpu_to_le32(CT_GET_CONFIG_STATUS);
+ dinfo->count = cpu_to_le32(sizeof(((struct aac_get_config_status_resp *)NULL)->data));
+ }
+
+ status = aac_fib_send(ContainerCommand,
+ fibptr,
+ sizeof (struct aac_get_config_status),
+ FsaNormal,
+ 1, 1,
+ NULL, NULL);
+ if (status < 0) {
+ printk(KERN_WARNING "aac_get_config_status: SendFIB failed.\n");
+ } else {
+ struct aac_get_config_status_resp *reply
+ = (struct aac_get_config_status_resp *) fib_data(fibptr);
+ dprintk((KERN_WARNING
+ "aac_get_config_status: response=%d status=%d action=%d\n",
+ le32_to_cpu(reply->response),
+ le32_to_cpu(reply->status),
+ le32_to_cpu(reply->data.action)));
+ if ((le32_to_cpu(reply->response) != ST_OK) ||
+ (le32_to_cpu(reply->status) != CT_OK) ||
+ (le32_to_cpu(reply->data.action) > CFACT_PAUSE)) {
+ printk(KERN_WARNING "aac_get_config_status: Will not issue the Commit Configuration\n");
+ status = -EINVAL;
+ }
+ }
+ /* Do not set XferState to zero unless receives a response from F/W */
+ if (status >= 0)
+ aac_fib_complete(fibptr);
+
+ /* Send a CT_COMMIT_CONFIG to enable discovery of devices */
+ if (status >= 0) {
+ if ((aac_commit == 1) || commit_flag) {
+ struct aac_commit_config * dinfo;
+ aac_fib_init(fibptr);
+ dinfo = (struct aac_commit_config *) fib_data(fibptr);
+
+ dinfo->command = cpu_to_le32(VM_ContainerConfig);
+ dinfo->type = cpu_to_le32(CT_COMMIT_CONFIG);
+
+ status = aac_fib_send(ContainerCommand,
+ fibptr,
+ sizeof (struct aac_commit_config),
+ FsaNormal,
+ 1, 1,
+ NULL, NULL);
+ /* Do not set XferState to zero unless
+ * receives a response from F/W */
+ if (status >= 0)
+ aac_fib_complete(fibptr);
+ } else if (aac_commit == 0) {
+ printk(KERN_WARNING
+ "aac_get_config_status: Foreign device configurations are being ignored\n");
+ }
+ }
+ /* FIB should be freed only after getting the response from the F/W */
+ if (status != -ERESTARTSYS)
+ aac_fib_free(fibptr);
+ return status;
+}
+
+static void aac_expose_phy_device(struct scsi_cmnd *scsicmd)
+{
+ char inq_data;
+ scsi_sg_copy_to_buffer(scsicmd, &inq_data, sizeof(inq_data));
+ if ((inq_data & 0x20) && (inq_data & 0x1f) == TYPE_DISK) {
+ inq_data &= 0xdf;
+ scsi_sg_copy_from_buffer(scsicmd, &inq_data, sizeof(inq_data));
+ }
+}
+
+/**
+ * aac_get_containers - list containers
+ * @common: adapter to probe
+ *
+ * Make a list of all containers on this controller
+ */
+int aac_get_containers(struct aac_dev *dev)
+{
+ struct fsa_dev_info *fsa_dev_ptr;
+ u32 index;
+ int status = 0;
+ struct fib * fibptr;
+ struct aac_get_container_count *dinfo;
+ struct aac_get_container_count_resp *dresp;
+ int maximum_num_containers = MAXIMUM_NUM_CONTAINERS;
+
+ if (!(fibptr = aac_fib_alloc(dev)))
+ return -ENOMEM;
+
+ aac_fib_init(fibptr);
+ dinfo = (struct aac_get_container_count *) fib_data(fibptr);
+ dinfo->command = cpu_to_le32(VM_ContainerConfig);
+ dinfo->type = cpu_to_le32(CT_GET_CONTAINER_COUNT);
+
+ status = aac_fib_send(ContainerCommand,
+ fibptr,
+ sizeof (struct aac_get_container_count),
+ FsaNormal,
+ 1, 1,
+ NULL, NULL);
+ if (status >= 0) {
+ dresp = (struct aac_get_container_count_resp *)fib_data(fibptr);
+ maximum_num_containers = le32_to_cpu(dresp->ContainerSwitchEntries);
+ if (fibptr->dev->supplement_adapter_info.SupportedOptions2 &
+ AAC_OPTION_SUPPORTED_240_VOLUMES) {
+ maximum_num_containers =
+ le32_to_cpu(dresp->MaxSimpleVolumes);
+ }
+ aac_fib_complete(fibptr);
+ }
+ /* FIB should be freed only after getting the response from the F/W */
+ if (status != -ERESTARTSYS)
+ aac_fib_free(fibptr);
+
+ if (maximum_num_containers < MAXIMUM_NUM_CONTAINERS)
+ maximum_num_containers = MAXIMUM_NUM_CONTAINERS;
+ fsa_dev_ptr = kzalloc(sizeof(*fsa_dev_ptr) * maximum_num_containers,
+ GFP_KERNEL);
+ if (!fsa_dev_ptr)
+ return -ENOMEM;
+
+ dev->fsa_dev = fsa_dev_ptr;
+ dev->maximum_num_containers = maximum_num_containers;
+
+ for (index = 0; index < dev->maximum_num_containers; ) {
+ fsa_dev_ptr[index].devname[0] = '\0';
+
+ status = aac_probe_container(dev, index);
+
+ if (status < 0) {
+ printk(KERN_WARNING "aac_get_containers: SendFIB failed.\n");
+ break;
+ }
+
+ /*
+ * If there are no more containers, then stop asking.
+ */
+ if (++index >= status)
+ break;
+ }
+ return status;
+}
+
+static void get_container_name_callback(void *context, struct fib * fibptr)
+{
+ struct aac_get_name_resp * get_name_reply;
+ struct scsi_cmnd * scsicmd;
+
+ scsicmd = (struct scsi_cmnd *) context;
+
+ if (!aac_valid_context(scsicmd, fibptr))
+ return;
+
+ dprintk((KERN_DEBUG "get_container_name_callback[cpu %d]: t = %ld.\n", smp_processor_id(), jiffies));
+ BUG_ON(fibptr == NULL);
+
+ get_name_reply = (struct aac_get_name_resp *) fib_data(fibptr);
+ /* Failure is irrelevant, using default value instead */
+ if ((le32_to_cpu(get_name_reply->status) == CT_OK)
+ && (get_name_reply->data[0] != '\0')) {
+ char *sp = get_name_reply->data;
+ sp[sizeof(((struct aac_get_name_resp *)NULL)->data)] = '\0';
+ while (*sp == ' ')
+ ++sp;
+ if (*sp) {
+ struct inquiry_data inq;
+ char d[sizeof(((struct inquiry_data *)NULL)->inqd_pid)];
+ int count = sizeof(d);
+ char *dp = d;
+ do {
+ *dp++ = (*sp) ? *sp++ : ' ';
+ } while (--count > 0);
+
+ scsi_sg_copy_to_buffer(scsicmd, &inq, sizeof(inq));
+ memcpy(inq.inqd_pid, d, sizeof(d));
+ scsi_sg_copy_from_buffer(scsicmd, &inq, sizeof(inq));
+ }
+ }
+
+ scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
+
+ aac_fib_complete(fibptr);
+ aac_fib_free(fibptr);
+ scsicmd->scsi_done(scsicmd);
+}
+
+/**
+ * aac_get_container_name - get container name, none blocking.
+ */
+static int aac_get_container_name(struct scsi_cmnd * scsicmd)
+{
+ int status;
+ struct aac_get_name *dinfo;
+ struct fib * cmd_fibcontext;
+ struct aac_dev * dev;
+
+ dev = (struct aac_dev *)scsicmd->device->host->hostdata;
+
+ if (!(cmd_fibcontext = aac_fib_alloc(dev)))
+ return -ENOMEM;
+
+ aac_fib_init(cmd_fibcontext);
+ dinfo = (struct aac_get_name *) fib_data(cmd_fibcontext);
+
+ dinfo->command = cpu_to_le32(VM_ContainerConfig);
+ dinfo->type = cpu_to_le32(CT_READ_NAME);
+ dinfo->cid = cpu_to_le32(scmd_id(scsicmd));
+ dinfo->count = cpu_to_le32(sizeof(((struct aac_get_name_resp *)NULL)->data));
+
+ status = aac_fib_send(ContainerCommand,
+ cmd_fibcontext,
+ sizeof (struct aac_get_name),
+ FsaNormal,
+ 0, 1,
+ (fib_callback)get_container_name_callback,
+ (void *) scsicmd);
+
+ /*
+ * Check that the command queued to the controller
+ */
+ if (status == -EINPROGRESS) {
+ scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
+ return 0;
+ }
+
+ printk(KERN_WARNING "aac_get_container_name: aac_fib_send failed with status: %d.\n", status);
+ aac_fib_complete(cmd_fibcontext);
+ aac_fib_free(cmd_fibcontext);
+ return -1;
+}
+
+static int aac_probe_container_callback2(struct scsi_cmnd * scsicmd)
+{
+ struct fsa_dev_info *fsa_dev_ptr = ((struct aac_dev *)(scsicmd->device->host->hostdata))->fsa_dev;
+
+ if ((fsa_dev_ptr[scmd_id(scsicmd)].valid & 1))
+ return aac_scsi_cmd(scsicmd);
+
+ scsicmd->result = DID_NO_CONNECT << 16;
+ scsicmd->scsi_done(scsicmd);
+ return 0;
+}
+
+static void _aac_probe_container2(void * context, struct fib * fibptr)
+{
+ struct fsa_dev_info *fsa_dev_ptr;
+ int (*callback)(struct scsi_cmnd *);
+ struct scsi_cmnd * scsicmd = (struct scsi_cmnd *)context;
+
+
+ if (!aac_valid_context(scsicmd, fibptr))
+ return;
+
+ scsicmd->SCp.Status = 0;
+ fsa_dev_ptr = fibptr->dev->fsa_dev;
+ if (fsa_dev_ptr) {
+ struct aac_mount * dresp = (struct aac_mount *) fib_data(fibptr);
+ fsa_dev_ptr += scmd_id(scsicmd);
+
+ if ((le32_to_cpu(dresp->status) == ST_OK) &&
+ (le32_to_cpu(dresp->mnt[0].vol) != CT_NONE) &&
+ (le32_to_cpu(dresp->mnt[0].state) != FSCS_HIDDEN)) {
+ if (!(fibptr->dev->supplement_adapter_info.SupportedOptions2 &
+ AAC_OPTION_VARIABLE_BLOCK_SIZE)) {
+ dresp->mnt[0].fileinfo.bdevinfo.block_size = 0x200;
+ fsa_dev_ptr->block_size = 0x200;
+ } else {
+ fsa_dev_ptr->block_size =
+ le32_to_cpu(dresp->mnt[0].fileinfo.bdevinfo.block_size);
+ }
+ fsa_dev_ptr->valid = 1;
+ /* sense_key holds the current state of the spin-up */
+ if (dresp->mnt[0].state & cpu_to_le32(FSCS_NOT_READY))
+ fsa_dev_ptr->sense_data.sense_key = NOT_READY;
+ else if (fsa_dev_ptr->sense_data.sense_key == NOT_READY)
+ fsa_dev_ptr->sense_data.sense_key = NO_SENSE;
+ fsa_dev_ptr->type = le32_to_cpu(dresp->mnt[0].vol);
+ fsa_dev_ptr->size
+ = ((u64)le32_to_cpu(dresp->mnt[0].capacity)) +
+ (((u64)le32_to_cpu(dresp->mnt[0].capacityhigh)) << 32);
+ fsa_dev_ptr->ro = ((le32_to_cpu(dresp->mnt[0].state) & FSCS_READONLY) != 0);
+ }
+ if ((fsa_dev_ptr->valid & 1) == 0)
+ fsa_dev_ptr->valid = 0;
+ scsicmd->SCp.Status = le32_to_cpu(dresp->count);
+ }
+ aac_fib_complete(fibptr);
+ aac_fib_free(fibptr);
+ callback = (int (*)(struct scsi_cmnd *))(scsicmd->SCp.ptr);
+ scsicmd->SCp.ptr = NULL;
+ (*callback)(scsicmd);
+ return;
+}
+
+static void _aac_probe_container1(void * context, struct fib * fibptr)
+{
+ struct scsi_cmnd * scsicmd;
+ struct aac_mount * dresp;
+ struct aac_query_mount *dinfo;
+ int status;
+
+ dresp = (struct aac_mount *) fib_data(fibptr);
+ if (!(fibptr->dev->supplement_adapter_info.SupportedOptions2 &
+ AAC_OPTION_VARIABLE_BLOCK_SIZE))
+ dresp->mnt[0].capacityhigh = 0;
+ if ((le32_to_cpu(dresp->status) != ST_OK) ||
+ (le32_to_cpu(dresp->mnt[0].vol) != CT_NONE)) {
+ _aac_probe_container2(context, fibptr);
+ return;
+ }
+ scsicmd = (struct scsi_cmnd *) context;
+
+ if (!aac_valid_context(scsicmd, fibptr))
+ return;
+
+ aac_fib_init(fibptr);
+
+ dinfo = (struct aac_query_mount *)fib_data(fibptr);
+
+ if (fibptr->dev->supplement_adapter_info.SupportedOptions2 &
+ AAC_OPTION_VARIABLE_BLOCK_SIZE)
+ dinfo->command = cpu_to_le32(VM_NameServeAllBlk);
+ else
+ dinfo->command = cpu_to_le32(VM_NameServe64);
+
+ dinfo->count = cpu_to_le32(scmd_id(scsicmd));
+ dinfo->type = cpu_to_le32(FT_FILESYS);
+
+ status = aac_fib_send(ContainerCommand,
+ fibptr,
+ sizeof(struct aac_query_mount),
+ FsaNormal,
+ 0, 1,
+ _aac_probe_container2,
+ (void *) scsicmd);
+ /*
+ * Check that the command queued to the controller
+ */
+ if (status == -EINPROGRESS)
+ scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
+ else if (status < 0) {
+ /* Inherit results from VM_NameServe, if any */
+ dresp->status = cpu_to_le32(ST_OK);
+ _aac_probe_container2(context, fibptr);
+ }
+}
+
+static int _aac_probe_container(struct scsi_cmnd * scsicmd, int (*callback)(struct scsi_cmnd *))
+{
+ struct fib * fibptr;
+ int status = -ENOMEM;
+
+ if ((fibptr = aac_fib_alloc((struct aac_dev *)scsicmd->device->host->hostdata))) {
+ struct aac_query_mount *dinfo;
+
+ aac_fib_init(fibptr);
+
+ dinfo = (struct aac_query_mount *)fib_data(fibptr);
+
+ if (fibptr->dev->supplement_adapter_info.SupportedOptions2 &
+ AAC_OPTION_VARIABLE_BLOCK_SIZE)
+ dinfo->command = cpu_to_le32(VM_NameServeAllBlk);
+ else
+ dinfo->command = cpu_to_le32(VM_NameServe);
+
+ dinfo->count = cpu_to_le32(scmd_id(scsicmd));
+ dinfo->type = cpu_to_le32(FT_FILESYS);
+ scsicmd->SCp.ptr = (char *)callback;
+
+ status = aac_fib_send(ContainerCommand,
+ fibptr,
+ sizeof(struct aac_query_mount),
+ FsaNormal,
+ 0, 1,
+ _aac_probe_container1,
+ (void *) scsicmd);
+ /*
+ * Check that the command queued to the controller
+ */
+ if (status == -EINPROGRESS) {
+ scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
+ return 0;
+ }
+ if (status < 0) {
+ scsicmd->SCp.ptr = NULL;
+ aac_fib_complete(fibptr);
+ aac_fib_free(fibptr);
+ }
+ }
+ if (status < 0) {
+ struct fsa_dev_info *fsa_dev_ptr = ((struct aac_dev *)(scsicmd->device->host->hostdata))->fsa_dev;
+ if (fsa_dev_ptr) {
+ fsa_dev_ptr += scmd_id(scsicmd);
+ if ((fsa_dev_ptr->valid & 1) == 0) {
+ fsa_dev_ptr->valid = 0;
+ return (*callback)(scsicmd);
+ }
+ }
+ }
+ return status;
+}
+
+/**
+ * aac_probe_container - query a logical volume
+ * @dev: device to query
+ * @cid: container identifier
+ *
+ * Queries the controller about the given volume. The volume information
+ * is updated in the struct fsa_dev_info structure rather than returned.
+ */
+static int aac_probe_container_callback1(struct scsi_cmnd * scsicmd)
+{
+ scsicmd->device = NULL;
+ return 0;
+}
+
+int aac_probe_container(struct aac_dev *dev, int cid)
+{
+ struct scsi_cmnd *scsicmd = kmalloc(sizeof(*scsicmd), GFP_KERNEL);
+ struct scsi_device *scsidev = kmalloc(sizeof(*scsidev), GFP_KERNEL);
+ int status;
+
+ if (!scsicmd || !scsidev) {
+ kfree(scsicmd);
+ kfree(scsidev);
+ return -ENOMEM;
+ }
+ scsicmd->list.next = NULL;
+ scsicmd->scsi_done = (void (*)(struct scsi_cmnd*))aac_probe_container_callback1;
+
+ scsicmd->device = scsidev;
+ scsidev->sdev_state = 0;
+ scsidev->id = cid;
+ scsidev->host = dev->scsi_host_ptr;
+
+ if (_aac_probe_container(scsicmd, aac_probe_container_callback1) == 0)
+ while (scsicmd->device == scsidev)
+ schedule();
+ kfree(scsidev);
+ status = scsicmd->SCp.Status;
+ kfree(scsicmd);
+ return status;
+}
+
+/* Local Structure to set SCSI inquiry data strings */
+struct scsi_inq {
+ char vid[8]; /* Vendor ID */
+ char pid[16]; /* Product ID */
+ char prl[4]; /* Product Revision Level */
+};
+
+/**
+ * InqStrCopy - string merge
+ * @a: string to copy from
+ * @b: string to copy to
+ *
+ * Copy a String from one location to another
+ * without copying \0
+ */
+
+static void inqstrcpy(char *a, char *b)
+{
+
+ while (*a != (char)0)
+ *b++ = *a++;
+}
+
+static char *container_types[] = {
+ "None",
+ "Volume",
+ "Mirror",
+ "Stripe",
+ "RAID5",
+ "SSRW",
+ "SSRO",
+ "Morph",
+ "Legacy",
+ "RAID4",
+ "RAID10",
+ "RAID00",
+ "V-MIRRORS",
+ "PSEUDO R4",
+ "RAID50",
+ "RAID5D",
+ "RAID5D0",
+ "RAID1E",
+ "RAID6",
+ "RAID60",
+ "Unknown"
+};
+
+char * get_container_type(unsigned tindex)
+{
+ if (tindex >= ARRAY_SIZE(container_types))
+ tindex = ARRAY_SIZE(container_types) - 1;
+ return container_types[tindex];
+}
+
+/* Function: setinqstr
+ *
+ * Arguments: [1] pointer to void [1] int
+ *
+ * Purpose: Sets SCSI inquiry data strings for vendor, product
+ * and revision level. Allows strings to be set in platform dependent
+ * files instead of in OS dependent driver source.
+ */
+
+static void setinqstr(struct aac_dev *dev, void *data, int tindex)
+{
+ struct scsi_inq *str;
+
+ str = (struct scsi_inq *)(data); /* cast data to scsi inq block */
+ memset(str, ' ', sizeof(*str));
+
+ if (dev->supplement_adapter_info.AdapterTypeText[0]) {
+ char * cp = dev->supplement_adapter_info.AdapterTypeText;
+ int c;
+ if ((cp[0] == 'A') && (cp[1] == 'O') && (cp[2] == 'C'))
+ inqstrcpy("SMC", str->vid);
+ else {
+ c = sizeof(str->vid);
+ while (*cp && *cp != ' ' && --c)
+ ++cp;
+ c = *cp;
+ *cp = '\0';
+ inqstrcpy (dev->supplement_adapter_info.AdapterTypeText,
+ str->vid);
+ *cp = c;
+ while (*cp && *cp != ' ')
+ ++cp;
+ }
+ while (*cp == ' ')
+ ++cp;
+ /* last six chars reserved for vol type */
+ c = 0;
+ if (strlen(cp) > sizeof(str->pid)) {
+ c = cp[sizeof(str->pid)];
+ cp[sizeof(str->pid)] = '\0';
+ }
+ inqstrcpy (cp, str->pid);
+ if (c)
+ cp[sizeof(str->pid)] = c;
+ } else {
+ struct aac_driver_ident *mp = aac_get_driver_ident(dev->cardtype);
+
+ inqstrcpy (mp->vname, str->vid);
+ /* last six chars reserved for vol type */
+ inqstrcpy (mp->model, str->pid);
+ }
+
+ if (tindex < ARRAY_SIZE(container_types)){
+ char *findit = str->pid;
+
+ for ( ; *findit != ' '; findit++); /* walk till we find a space */
+ /* RAID is superfluous in the context of a RAID device */
+ if (memcmp(findit-4, "RAID", 4) == 0)
+ *(findit -= 4) = ' ';
+ if (((findit - str->pid) + strlen(container_types[tindex]))
+ < (sizeof(str->pid) + sizeof(str->prl)))
+ inqstrcpy (container_types[tindex], findit + 1);
+ }
+ inqstrcpy ("V1.0", str->prl);
+}
+
+static void get_container_serial_callback(void *context, struct fib * fibptr)
+{
+ struct aac_get_serial_resp * get_serial_reply;
+ struct scsi_cmnd * scsicmd;
+
+ BUG_ON(fibptr == NULL);
+
+ scsicmd = (struct scsi_cmnd *) context;
+ if (!aac_valid_context(scsicmd, fibptr))
+ return;
+
+ get_serial_reply = (struct aac_get_serial_resp *) fib_data(fibptr);
+ /* Failure is irrelevant, using default value instead */
+ if (le32_to_cpu(get_serial_reply->status) == CT_OK) {
+ /*Check to see if it's for VPD 0x83 or 0x80 */
+ if (scsicmd->cmnd[2] == 0x83) {
+ /* vpd page 0x83 - Device Identification Page */
+ int i;
+ TVPD_Page83 VPDPage83Data;
+
+ memset(((u8 *)&VPDPage83Data), 0,
+ sizeof(VPDPage83Data));
+
+ /* DIRECT_ACCESS_DEVIC */
+ VPDPage83Data.DeviceType = 0;
+ /* DEVICE_CONNECTED */
+ VPDPage83Data.DeviceTypeQualifier = 0;
+ /* VPD_DEVICE_IDENTIFIERS */
+ VPDPage83Data.PageCode = 0x83;
+ VPDPage83Data.Reserved = 0;
+ VPDPage83Data.PageLength =
+ sizeof(VPDPage83Data.IdDescriptorType1) +
+ sizeof(VPDPage83Data.IdDescriptorType2);
+
+ /* T10 Vendor Identifier Field Format */
+ /* VpdCodeSetAscii */
+ VPDPage83Data.IdDescriptorType1.CodeSet = 2;
+ /* VpdIdentifierTypeVendorId */
+ VPDPage83Data.IdDescriptorType1.IdentifierType = 1;
+ VPDPage83Data.IdDescriptorType1.IdentifierLength =
+ sizeof(VPDPage83Data.IdDescriptorType1) - 4;
+
+ /* "ADAPTEC " for adaptec */
+ memcpy(VPDPage83Data.IdDescriptorType1.VendId,
+ "ADAPTEC ",
+ sizeof(VPDPage83Data.IdDescriptorType1.VendId));
+ memcpy(VPDPage83Data.IdDescriptorType1.ProductId,
+ "ARRAY ",
+ sizeof(
+ VPDPage83Data.IdDescriptorType1.ProductId));
+
+ /* Convert to ascii based serial number.
+ * The LSB is the the end.
+ */
+ for (i = 0; i < 8; i++) {
+ u8 temp =
+ (u8)((get_serial_reply->uid >> ((7 - i) * 4)) & 0xF);
+ if (temp > 0x9) {
+ VPDPage83Data.IdDescriptorType1.SerialNumber[i] =
+ 'A' + (temp - 0xA);
+ } else {
+ VPDPage83Data.IdDescriptorType1.SerialNumber[i] =
+ '0' + temp;
+ }
+ }
+
+ /* VpdCodeSetBinary */
+ VPDPage83Data.IdDescriptorType2.CodeSet = 1;
+ /* VpdIdentifierTypeEUI64 */
+ VPDPage83Data.IdDescriptorType2.IdentifierType = 2;
+ VPDPage83Data.IdDescriptorType2.IdentifierLength =
+ sizeof(VPDPage83Data.IdDescriptorType2) - 4;
+
+ VPDPage83Data.IdDescriptorType2.EU64Id.VendId[0] = 0xD0;
+ VPDPage83Data.IdDescriptorType2.EU64Id.VendId[1] = 0;
+ VPDPage83Data.IdDescriptorType2.EU64Id.VendId[2] = 0;
+
+ VPDPage83Data.IdDescriptorType2.EU64Id.Serial =
+ get_serial_reply->uid;
+ VPDPage83Data.IdDescriptorType2.EU64Id.Reserved = 0;
+
+ /* Move the inquiry data to the response buffer. */
+ scsi_sg_copy_from_buffer(scsicmd, &VPDPage83Data,
+ sizeof(VPDPage83Data));
+ } else {
+ /* It must be for VPD 0x80 */
+ char sp[13];
+ /* EVPD bit set */
+ sp[0] = INQD_PDT_DA;
+ sp[1] = scsicmd->cmnd[2];
+ sp[2] = 0;
+ sp[3] = snprintf(sp+4, sizeof(sp)-4, "%08X",
+ le32_to_cpu(get_serial_reply->uid));
+ scsi_sg_copy_from_buffer(scsicmd, sp,
+ sizeof(sp));
+ }
+ }
+
+ scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
+
+ aac_fib_complete(fibptr);
+ aac_fib_free(fibptr);
+ scsicmd->scsi_done(scsicmd);
+}
+
+/**
+ * aac_get_container_serial - get container serial, none blocking.
+ */
+static int aac_get_container_serial(struct scsi_cmnd * scsicmd)
+{
+ int status;
+ struct aac_get_serial *dinfo;
+ struct fib * cmd_fibcontext;
+ struct aac_dev * dev;
+
+ dev = (struct aac_dev *)scsicmd->device->host->hostdata;
+
+ if (!(cmd_fibcontext = aac_fib_alloc(dev)))
+ return -ENOMEM;
+
+ aac_fib_init(cmd_fibcontext);
+ dinfo = (struct aac_get_serial *) fib_data(cmd_fibcontext);
+
+ dinfo->command = cpu_to_le32(VM_ContainerConfig);
+ dinfo->type = cpu_to_le32(CT_CID_TO_32BITS_UID);
+ dinfo->cid = cpu_to_le32(scmd_id(scsicmd));
+
+ status = aac_fib_send(ContainerCommand,
+ cmd_fibcontext,
+ sizeof (struct aac_get_serial),
+ FsaNormal,
+ 0, 1,
+ (fib_callback) get_container_serial_callback,
+ (void *) scsicmd);
+
+ /*
+ * Check that the command queued to the controller
+ */
+ if (status == -EINPROGRESS) {
+ scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
+ return 0;
+ }
+
+ printk(KERN_WARNING "aac_get_container_serial: aac_fib_send failed with status: %d.\n", status);
+ aac_fib_complete(cmd_fibcontext);
+ aac_fib_free(cmd_fibcontext);
+ return -1;
+}
+
+/* Function: setinqserial
+ *
+ * Arguments: [1] pointer to void [1] int
+ *
+ * Purpose: Sets SCSI Unit Serial number.
+ * This is a fake. We should read a proper
+ * serial number from the container. <SuSE>But
+ * without docs it's quite hard to do it :-)
+ * So this will have to do in the meantime.</SuSE>
+ */
+
+static int setinqserial(struct aac_dev *dev, void *data, int cid)
+{
+ /*
+ * This breaks array migration.
+ */
+ return snprintf((char *)(data), sizeof(struct scsi_inq) - 4, "%08X%02X",
+ le32_to_cpu(dev->adapter_info.serial[0]), cid);
+}
+
+static inline void set_sense(struct sense_data *sense_data, u8 sense_key,
+ u8 sense_code, u8 a_sense_code, u8 bit_pointer, u16 field_pointer)
+{
+ u8 *sense_buf = (u8 *)sense_data;
+ /* Sense data valid, err code 70h */
+ sense_buf[0] = 0x70; /* No info field */
+ sense_buf[1] = 0; /* Segment number, always zero */
+
+ sense_buf[2] = sense_key; /* Sense key */
+
+ sense_buf[12] = sense_code; /* Additional sense code */
+ sense_buf[13] = a_sense_code; /* Additional sense code qualifier */
+
+ if (sense_key == ILLEGAL_REQUEST) {
+ sense_buf[7] = 10; /* Additional sense length */
+
+ sense_buf[15] = bit_pointer;
+ /* Illegal parameter is in the parameter block */
+ if (sense_code == SENCODE_INVALID_CDB_FIELD)
+ sense_buf[15] |= 0xc0;/* Std sense key specific field */
+ /* Illegal parameter is in the CDB block */
+ sense_buf[16] = field_pointer >> 8; /* MSB */
+ sense_buf[17] = field_pointer; /* LSB */
+ } else
+ sense_buf[7] = 6; /* Additional sense length */
+}
+
+static int aac_bounds_32(struct aac_dev * dev, struct scsi_cmnd * cmd, u64 lba)
+{
+ if (lba & 0xffffffff00000000LL) {
+ int cid = scmd_id(cmd);
+ dprintk((KERN_DEBUG "aacraid: Illegal lba\n"));
+ cmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
+ SAM_STAT_CHECK_CONDITION;
+ set_sense(&dev->fsa_dev[cid].sense_data,
+ HARDWARE_ERROR, SENCODE_INTERNAL_TARGET_FAILURE,
+ ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0);
+ memcpy(cmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
+ min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
+ SCSI_SENSE_BUFFERSIZE));
+ cmd->scsi_done(cmd);
+ return 1;
+ }
+ return 0;
+}
+
+static int aac_bounds_64(struct aac_dev * dev, struct scsi_cmnd * cmd, u64 lba)
+{
+ return 0;
+}
+
+static void io_callback(void *context, struct fib * fibptr);
+
+static int aac_read_raw_io(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
+{
+ struct aac_dev *dev = fib->dev;
+ u16 fibsize, command;
+ long ret;
+
+ aac_fib_init(fib);
+ if (dev->comm_interface == AAC_COMM_MESSAGE_TYPE2 && !dev->sync_mode) {
+ struct aac_raw_io2 *readcmd2;
+ readcmd2 = (struct aac_raw_io2 *) fib_data(fib);
+ memset(readcmd2, 0, sizeof(struct aac_raw_io2));
+ readcmd2->blockLow = cpu_to_le32((u32)(lba&0xffffffff));
+ readcmd2->blockHigh = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32));
+ readcmd2->byteCount = cpu_to_le32(count *
+ dev->fsa_dev[scmd_id(cmd)].block_size);
+ readcmd2->cid = cpu_to_le16(scmd_id(cmd));
+ readcmd2->flags = cpu_to_le16(RIO2_IO_TYPE_READ);
+ ret = aac_build_sgraw2(cmd, readcmd2,
+ dev->scsi_host_ptr->sg_tablesize);
+ if (ret < 0)
+ return ret;
+ command = ContainerRawIo2;
+ fibsize = sizeof(struct aac_raw_io2) +
+ ((le32_to_cpu(readcmd2->sgeCnt)-1) * sizeof(struct sge_ieee1212));
+ } else {
+ struct aac_raw_io *readcmd;
+ readcmd = (struct aac_raw_io *) fib_data(fib);
+ readcmd->block[0] = cpu_to_le32((u32)(lba&0xffffffff));
+ readcmd->block[1] = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32));
+ readcmd->count = cpu_to_le32(count *
+ dev->fsa_dev[scmd_id(cmd)].block_size);
+ readcmd->cid = cpu_to_le16(scmd_id(cmd));
+ readcmd->flags = cpu_to_le16(RIO_TYPE_READ);
+ readcmd->bpTotal = 0;
+ readcmd->bpComplete = 0;
+ ret = aac_build_sgraw(cmd, &readcmd->sg);
+ if (ret < 0)
+ return ret;
+ command = ContainerRawIo;
+ fibsize = sizeof(struct aac_raw_io) +
+ ((le32_to_cpu(readcmd->sg.count)-1) * sizeof(struct sgentryraw));
+ }
+
+ BUG_ON(fibsize > (fib->dev->max_fib_size - sizeof(struct aac_fibhdr)));
+ /*
+ * Now send the Fib to the adapter
+ */
+ return aac_fib_send(command,
+ fib,
+ fibsize,
+ FsaNormal,
+ 0, 1,
+ (fib_callback) io_callback,
+ (void *) cmd);
+}
+
+static int aac_read_block64(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
+{
+ u16 fibsize;
+ struct aac_read64 *readcmd;
+ long ret;
+
+ aac_fib_init(fib);
+ readcmd = (struct aac_read64 *) fib_data(fib);
+ readcmd->command = cpu_to_le32(VM_CtHostRead64);
+ readcmd->cid = cpu_to_le16(scmd_id(cmd));
+ readcmd->sector_count = cpu_to_le16(count);
+ readcmd->block = cpu_to_le32((u32)(lba&0xffffffff));
+ readcmd->pad = 0;
+ readcmd->flags = 0;
+
+ ret = aac_build_sg64(cmd, &readcmd->sg);
+ if (ret < 0)
+ return ret;
+ fibsize = sizeof(struct aac_read64) +
+ ((le32_to_cpu(readcmd->sg.count) - 1) *
+ sizeof (struct sgentry64));
+ BUG_ON (fibsize > (fib->dev->max_fib_size -
+ sizeof(struct aac_fibhdr)));
+ /*
+ * Now send the Fib to the adapter
+ */
+ return aac_fib_send(ContainerCommand64,
+ fib,
+ fibsize,
+ FsaNormal,
+ 0, 1,
+ (fib_callback) io_callback,
+ (void *) cmd);
+}
+
+static int aac_read_block(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
+{
+ u16 fibsize;
+ struct aac_read *readcmd;
+ struct aac_dev *dev = fib->dev;
+ long ret;
+
+ aac_fib_init(fib);
+ readcmd = (struct aac_read *) fib_data(fib);
+ readcmd->command = cpu_to_le32(VM_CtBlockRead);
+ readcmd->cid = cpu_to_le32(scmd_id(cmd));
+ readcmd->block = cpu_to_le32((u32)(lba&0xffffffff));
+ readcmd->count = cpu_to_le32(count *
+ dev->fsa_dev[scmd_id(cmd)].block_size);
+
+ ret = aac_build_sg(cmd, &readcmd->sg);
+ if (ret < 0)
+ return ret;
+ fibsize = sizeof(struct aac_read) +
+ ((le32_to_cpu(readcmd->sg.count) - 1) *
+ sizeof (struct sgentry));
+ BUG_ON (fibsize > (fib->dev->max_fib_size -
+ sizeof(struct aac_fibhdr)));
+ /*
+ * Now send the Fib to the adapter
+ */
+ return aac_fib_send(ContainerCommand,
+ fib,
+ fibsize,
+ FsaNormal,
+ 0, 1,
+ (fib_callback) io_callback,
+ (void *) cmd);
+}
+
+static int aac_write_raw_io(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count, int fua)
+{
+ struct aac_dev *dev = fib->dev;
+ u16 fibsize, command;
+ long ret;
+
+ aac_fib_init(fib);
+ if (dev->comm_interface == AAC_COMM_MESSAGE_TYPE2 && !dev->sync_mode) {
+ struct aac_raw_io2 *writecmd2;
+ writecmd2 = (struct aac_raw_io2 *) fib_data(fib);
+ memset(writecmd2, 0, sizeof(struct aac_raw_io2));
+ writecmd2->blockLow = cpu_to_le32((u32)(lba&0xffffffff));
+ writecmd2->blockHigh = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32));
+ writecmd2->byteCount = cpu_to_le32(count *
+ dev->fsa_dev[scmd_id(cmd)].block_size);
+ writecmd2->cid = cpu_to_le16(scmd_id(cmd));
+ writecmd2->flags = (fua && ((aac_cache & 5) != 1) &&
+ (((aac_cache & 5) != 5) || !fib->dev->cache_protected)) ?
+ cpu_to_le16(RIO2_IO_TYPE_WRITE|RIO2_IO_SUREWRITE) :
+ cpu_to_le16(RIO2_IO_TYPE_WRITE);
+ ret = aac_build_sgraw2(cmd, writecmd2,
+ dev->scsi_host_ptr->sg_tablesize);
+ if (ret < 0)
+ return ret;
+ command = ContainerRawIo2;
+ fibsize = sizeof(struct aac_raw_io2) +
+ ((le32_to_cpu(writecmd2->sgeCnt)-1) * sizeof(struct sge_ieee1212));
+ } else {
+ struct aac_raw_io *writecmd;
+ writecmd = (struct aac_raw_io *) fib_data(fib);
+ writecmd->block[0] = cpu_to_le32((u32)(lba&0xffffffff));
+ writecmd->block[1] = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32));
+ writecmd->count = cpu_to_le32(count *
+ dev->fsa_dev[scmd_id(cmd)].block_size);
+ writecmd->cid = cpu_to_le16(scmd_id(cmd));
+ writecmd->flags = (fua && ((aac_cache & 5) != 1) &&
+ (((aac_cache & 5) != 5) || !fib->dev->cache_protected)) ?
+ cpu_to_le16(RIO_TYPE_WRITE|RIO_SUREWRITE) :
+ cpu_to_le16(RIO_TYPE_WRITE);
+ writecmd->bpTotal = 0;
+ writecmd->bpComplete = 0;
+ ret = aac_build_sgraw(cmd, &writecmd->sg);
+ if (ret < 0)
+ return ret;
+ command = ContainerRawIo;
+ fibsize = sizeof(struct aac_raw_io) +
+ ((le32_to_cpu(writecmd->sg.count)-1) * sizeof (struct sgentryraw));
+ }
+
+ BUG_ON(fibsize > (fib->dev->max_fib_size - sizeof(struct aac_fibhdr)));
+ /*
+ * Now send the Fib to the adapter
+ */
+ return aac_fib_send(command,
+ fib,
+ fibsize,
+ FsaNormal,
+ 0, 1,
+ (fib_callback) io_callback,
+ (void *) cmd);
+}
+
+static int aac_write_block64(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count, int fua)
+{
+ u16 fibsize;
+ struct aac_write64 *writecmd;
+ long ret;
+
+ aac_fib_init(fib);
+ writecmd = (struct aac_write64 *) fib_data(fib);
+ writecmd->command = cpu_to_le32(VM_CtHostWrite64);
+ writecmd->cid = cpu_to_le16(scmd_id(cmd));
+ writecmd->sector_count = cpu_to_le16(count);
+ writecmd->block = cpu_to_le32((u32)(lba&0xffffffff));
+ writecmd->pad = 0;
+ writecmd->flags = 0;
+
+ ret = aac_build_sg64(cmd, &writecmd->sg);
+ if (ret < 0)
+ return ret;
+ fibsize = sizeof(struct aac_write64) +
+ ((le32_to_cpu(writecmd->sg.count) - 1) *
+ sizeof (struct sgentry64));
+ BUG_ON (fibsize > (fib->dev->max_fib_size -
+ sizeof(struct aac_fibhdr)));
+ /*
+ * Now send the Fib to the adapter
+ */
+ return aac_fib_send(ContainerCommand64,
+ fib,
+ fibsize,
+ FsaNormal,
+ 0, 1,
+ (fib_callback) io_callback,
+ (void *) cmd);
+}
+
+static int aac_write_block(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count, int fua)
+{
+ u16 fibsize;
+ struct aac_write *writecmd;
+ struct aac_dev *dev = fib->dev;
+ long ret;
+
+ aac_fib_init(fib);
+ writecmd = (struct aac_write *) fib_data(fib);
+ writecmd->command = cpu_to_le32(VM_CtBlockWrite);
+ writecmd->cid = cpu_to_le32(scmd_id(cmd));
+ writecmd->block = cpu_to_le32((u32)(lba&0xffffffff));
+ writecmd->count = cpu_to_le32(count *
+ dev->fsa_dev[scmd_id(cmd)].block_size);
+ writecmd->sg.count = cpu_to_le32(1);
+ /* ->stable is not used - it did mean which type of write */
+
+ ret = aac_build_sg(cmd, &writecmd->sg);
+ if (ret < 0)
+ return ret;
+ fibsize = sizeof(struct aac_write) +
+ ((le32_to_cpu(writecmd->sg.count) - 1) *
+ sizeof (struct sgentry));
+ BUG_ON (fibsize > (fib->dev->max_fib_size -
+ sizeof(struct aac_fibhdr)));
+ /*
+ * Now send the Fib to the adapter
+ */
+ return aac_fib_send(ContainerCommand,
+ fib,
+ fibsize,
+ FsaNormal,
+ 0, 1,
+ (fib_callback) io_callback,
+ (void *) cmd);
+}
+
+static struct aac_srb * aac_scsi_common(struct fib * fib, struct scsi_cmnd * cmd)
+{
+ struct aac_srb * srbcmd;
+ u32 flag;
+ u32 timeout;
+
+ aac_fib_init(fib);
+ switch(cmd->sc_data_direction){
+ case DMA_TO_DEVICE:
+ flag = SRB_DataOut;
+ break;
+ case DMA_BIDIRECTIONAL:
+ flag = SRB_DataIn | SRB_DataOut;
+ break;
+ case DMA_FROM_DEVICE:
+ flag = SRB_DataIn;
+ break;
+ case DMA_NONE:
+ default: /* shuts up some versions of gcc */
+ flag = SRB_NoDataXfer;
+ break;
+ }
+
+ srbcmd = (struct aac_srb*) fib_data(fib);
+ srbcmd->function = cpu_to_le32(SRBF_ExecuteScsi);
+ srbcmd->channel = cpu_to_le32(aac_logical_to_phys(scmd_channel(cmd)));
+ srbcmd->id = cpu_to_le32(scmd_id(cmd));
+ srbcmd->lun = cpu_to_le32(cmd->device->lun);
+ srbcmd->flags = cpu_to_le32(flag);
+ timeout = cmd->request->timeout/HZ;
+ if (timeout == 0)
+ timeout = 1;
+ srbcmd->timeout = cpu_to_le32(timeout); // timeout in seconds
+ srbcmd->retry_limit = 0; /* Obsolete parameter */
+ srbcmd->cdb_size = cpu_to_le32(cmd->cmd_len);
+ return srbcmd;
+}
+
+static void aac_srb_callback(void *context, struct fib * fibptr);
+
+static int aac_scsi_64(struct fib * fib, struct scsi_cmnd * cmd)
+{
+ u16 fibsize;
+ struct aac_srb * srbcmd = aac_scsi_common(fib, cmd);
+ long ret;
+
+ ret = aac_build_sg64(cmd, (struct sgmap64 *) &srbcmd->sg);
+ if (ret < 0)
+ return ret;
+ srbcmd->count = cpu_to_le32(scsi_bufflen(cmd));
+
+ memset(srbcmd->cdb, 0, sizeof(srbcmd->cdb));
+ memcpy(srbcmd->cdb, cmd->cmnd, cmd->cmd_len);
+ /*
+ * Build Scatter/Gather list
+ */
+ fibsize = sizeof (struct aac_srb) - sizeof (struct sgentry) +
+ ((le32_to_cpu(srbcmd->sg.count) & 0xff) *
+ sizeof (struct sgentry64));
+ BUG_ON (fibsize > (fib->dev->max_fib_size -
+ sizeof(struct aac_fibhdr)));
+
+ /*
+ * Now send the Fib to the adapter
+ */
+ return aac_fib_send(ScsiPortCommand64, fib,
+ fibsize, FsaNormal, 0, 1,
+ (fib_callback) aac_srb_callback,
+ (void *) cmd);
+}
+
+static int aac_scsi_32(struct fib * fib, struct scsi_cmnd * cmd)
+{
+ u16 fibsize;
+ struct aac_srb * srbcmd = aac_scsi_common(fib, cmd);
+ long ret;
+
+ ret = aac_build_sg(cmd, (struct sgmap *)&srbcmd->sg);
+ if (ret < 0)
+ return ret;
+ srbcmd->count = cpu_to_le32(scsi_bufflen(cmd));
+
+ memset(srbcmd->cdb, 0, sizeof(srbcmd->cdb));
+ memcpy(srbcmd->cdb, cmd->cmnd, cmd->cmd_len);
+ /*
+ * Build Scatter/Gather list
+ */
+ fibsize = sizeof (struct aac_srb) +
+ (((le32_to_cpu(srbcmd->sg.count) & 0xff) - 1) *
+ sizeof (struct sgentry));
+ BUG_ON (fibsize > (fib->dev->max_fib_size -
+ sizeof(struct aac_fibhdr)));
+
+ /*
+ * Now send the Fib to the adapter
+ */
+ return aac_fib_send(ScsiPortCommand, fib, fibsize, FsaNormal, 0, 1,
+ (fib_callback) aac_srb_callback, (void *) cmd);
+}
+
+static int aac_scsi_32_64(struct fib * fib, struct scsi_cmnd * cmd)
+{
+ if ((sizeof(dma_addr_t) > 4) && fib->dev->needs_dac &&
+ (fib->dev->adapter_info.options & AAC_OPT_SGMAP_HOST64))
+ return FAILED;
+ return aac_scsi_32(fib, cmd);
+}
+
+int aac_get_adapter_info(struct aac_dev* dev)
+{
+ struct fib* fibptr;
+ int rcode;
+ u32 tmp;
+ struct aac_adapter_info *info;
+ struct aac_bus_info *command;
+ struct aac_bus_info_response *bus_info;
+
+ if (!(fibptr = aac_fib_alloc(dev)))
+ return -ENOMEM;
+
+ aac_fib_init(fibptr);
+ info = (struct aac_adapter_info *) fib_data(fibptr);
+ memset(info,0,sizeof(*info));
+
+ rcode = aac_fib_send(RequestAdapterInfo,
+ fibptr,
+ sizeof(*info),
+ FsaNormal,
+ -1, 1, /* First `interrupt' command uses special wait */
+ NULL,
+ NULL);
+
+ if (rcode < 0) {
+ /* FIB should be freed only after
+ * getting the response from the F/W */
+ if (rcode != -ERESTARTSYS) {
+ aac_fib_complete(fibptr);
+ aac_fib_free(fibptr);
+ }
+ return rcode;
+ }
+ memcpy(&dev->adapter_info, info, sizeof(*info));
+
+ if (dev->adapter_info.options & AAC_OPT_SUPPLEMENT_ADAPTER_INFO) {
+ struct aac_supplement_adapter_info * sinfo;
+
+ aac_fib_init(fibptr);
+
+ sinfo = (struct aac_supplement_adapter_info *) fib_data(fibptr);
+
+ memset(sinfo,0,sizeof(*sinfo));
+
+ rcode = aac_fib_send(RequestSupplementAdapterInfo,
+ fibptr,
+ sizeof(*sinfo),
+ FsaNormal,
+ 1, 1,
+ NULL,
+ NULL);
+
+ if (rcode >= 0)
+ memcpy(&dev->supplement_adapter_info, sinfo, sizeof(*sinfo));
+ if (rcode == -ERESTARTSYS) {
+ fibptr = aac_fib_alloc(dev);
+ if (!fibptr)
+ return -ENOMEM;
+ }
+
+ }
+
+
+ /*
+ * GetBusInfo
+ */
+
+ aac_fib_init(fibptr);
+
+ bus_info = (struct aac_bus_info_response *) fib_data(fibptr);
+
+ memset(bus_info, 0, sizeof(*bus_info));
+
+ command = (struct aac_bus_info *)bus_info;
+
+ command->Command = cpu_to_le32(VM_Ioctl);
+ command->ObjType = cpu_to_le32(FT_DRIVE);
+ command->MethodId = cpu_to_le32(1);
+ command->CtlCmd = cpu_to_le32(GetBusInfo);
+
+ rcode = aac_fib_send(ContainerCommand,
+ fibptr,
+ sizeof (*bus_info),
+ FsaNormal,
+ 1, 1,
+ NULL, NULL);
+
+ /* reasoned default */
+ dev->maximum_num_physicals = 16;
+ if (rcode >= 0 && le32_to_cpu(bus_info->Status) == ST_OK) {
+ dev->maximum_num_physicals = le32_to_cpu(bus_info->TargetsPerBus);
+ dev->maximum_num_channels = le32_to_cpu(bus_info->BusCount);
+ }
+
+ if (!dev->in_reset) {
+ char buffer[16];
+ tmp = le32_to_cpu(dev->adapter_info.kernelrev);
+ printk(KERN_INFO "%s%d: kernel %d.%d-%d[%d] %.*s\n",
+ dev->name,
+ dev->id,
+ tmp>>24,
+ (tmp>>16)&0xff,
+ tmp&0xff,
+ le32_to_cpu(dev->adapter_info.kernelbuild),
+ (int)sizeof(dev->supplement_adapter_info.BuildDate),
+ dev->supplement_adapter_info.BuildDate);
+ tmp = le32_to_cpu(dev->adapter_info.monitorrev);
+ printk(KERN_INFO "%s%d: monitor %d.%d-%d[%d]\n",
+ dev->name, dev->id,
+ tmp>>24,(tmp>>16)&0xff,tmp&0xff,
+ le32_to_cpu(dev->adapter_info.monitorbuild));
+ tmp = le32_to_cpu(dev->adapter_info.biosrev);
+ printk(KERN_INFO "%s%d: bios %d.%d-%d[%d]\n",
+ dev->name, dev->id,
+ tmp>>24,(tmp>>16)&0xff,tmp&0xff,
+ le32_to_cpu(dev->adapter_info.biosbuild));
+ buffer[0] = '\0';
+ if (aac_get_serial_number(
+ shost_to_class(dev->scsi_host_ptr), buffer))
+ printk(KERN_INFO "%s%d: serial %s",
+ dev->name, dev->id, buffer);
+ if (dev->supplement_adapter_info.VpdInfo.Tsid[0]) {
+ printk(KERN_INFO "%s%d: TSID %.*s\n",
+ dev->name, dev->id,
+ (int)sizeof(dev->supplement_adapter_info.VpdInfo.Tsid),
+ dev->supplement_adapter_info.VpdInfo.Tsid);
+ }
+ if (!aac_check_reset || ((aac_check_reset == 1) &&
+ (dev->supplement_adapter_info.SupportedOptions2 &
+ AAC_OPTION_IGNORE_RESET))) {
+ printk(KERN_INFO "%s%d: Reset Adapter Ignored\n",
+ dev->name, dev->id);
+ }
+ }
+
+ dev->cache_protected = 0;
+ dev->jbod = ((dev->supplement_adapter_info.FeatureBits &
+ AAC_FEATURE_JBOD) != 0);
+ dev->nondasd_support = 0;
+ dev->raid_scsi_mode = 0;
+ if(dev->adapter_info.options & AAC_OPT_NONDASD)
+ dev->nondasd_support = 1;
+
+ /*
+ * If the firmware supports ROMB RAID/SCSI mode and we are currently
+ * in RAID/SCSI mode, set the flag. For now if in this mode we will
+ * force nondasd support on. If we decide to allow the non-dasd flag
+ * additional changes changes will have to be made to support
+ * RAID/SCSI. the function aac_scsi_cmd in this module will have to be
+ * changed to support the new dev->raid_scsi_mode flag instead of
+ * leaching off of the dev->nondasd_support flag. Also in linit.c the
+ * function aac_detect will have to be modified where it sets up the
+ * max number of channels based on the aac->nondasd_support flag only.
+ */
+ if ((dev->adapter_info.options & AAC_OPT_SCSI_MANAGED) &&
+ (dev->adapter_info.options & AAC_OPT_RAID_SCSI_MODE)) {
+ dev->nondasd_support = 1;
+ dev->raid_scsi_mode = 1;
+ }
+ if (dev->raid_scsi_mode != 0)
+ printk(KERN_INFO "%s%d: ROMB RAID/SCSI mode enabled\n",
+ dev->name, dev->id);
+
+ if (nondasd != -1)
+ dev->nondasd_support = (nondasd!=0);
+ if (dev->nondasd_support && !dev->in_reset)
+ printk(KERN_INFO "%s%d: Non-DASD support enabled.\n",dev->name, dev->id);
+
+ if (dma_get_required_mask(&dev->pdev->dev) > DMA_BIT_MASK(32))
+ dev->needs_dac = 1;
+ dev->dac_support = 0;
+ if ((sizeof(dma_addr_t) > 4) && dev->needs_dac &&
+ (dev->adapter_info.options & AAC_OPT_SGMAP_HOST64)) {
+ if (!dev->in_reset)
+ printk(KERN_INFO "%s%d: 64bit support enabled.\n",
+ dev->name, dev->id);
+ dev->dac_support = 1;
+ }
+
+ if(dacmode != -1) {
+ dev->dac_support = (dacmode!=0);
+ }
+
+ /* avoid problems with AAC_QUIRK_SCSI_32 controllers */
+ if (dev->dac_support && (aac_get_driver_ident(dev->cardtype)->quirks
+ & AAC_QUIRK_SCSI_32)) {
+ dev->nondasd_support = 0;
+ dev->jbod = 0;
+ expose_physicals = 0;
+ }
+
+ if(dev->dac_support != 0) {
+ if (!pci_set_dma_mask(dev->pdev, DMA_BIT_MASK(64)) &&
+ !pci_set_consistent_dma_mask(dev->pdev, DMA_BIT_MASK(64))) {
+ if (!dev->in_reset)
+ printk(KERN_INFO"%s%d: 64 Bit DAC enabled\n",
+ dev->name, dev->id);
+ } else if (!pci_set_dma_mask(dev->pdev, DMA_BIT_MASK(32)) &&
+ !pci_set_consistent_dma_mask(dev->pdev, DMA_BIT_MASK(32))) {
+ printk(KERN_INFO"%s%d: DMA mask set failed, 64 Bit DAC disabled\n",
+ dev->name, dev->id);
+ dev->dac_support = 0;
+ } else {
+ printk(KERN_WARNING"%s%d: No suitable DMA available.\n",
+ dev->name, dev->id);
+ rcode = -ENOMEM;
+ }
+ }
+ /*
+ * Deal with configuring for the individualized limits of each packet
+ * interface.
+ */
+ dev->a_ops.adapter_scsi = (dev->dac_support)
+ ? ((aac_get_driver_ident(dev->cardtype)->quirks & AAC_QUIRK_SCSI_32)
+ ? aac_scsi_32_64
+ : aac_scsi_64)
+ : aac_scsi_32;
+ if (dev->raw_io_interface) {
+ dev->a_ops.adapter_bounds = (dev->raw_io_64)
+ ? aac_bounds_64
+ : aac_bounds_32;
+ dev->a_ops.adapter_read = aac_read_raw_io;
+ dev->a_ops.adapter_write = aac_write_raw_io;
+ } else {
+ dev->a_ops.adapter_bounds = aac_bounds_32;
+ dev->scsi_host_ptr->sg_tablesize = (dev->max_fib_size -
+ sizeof(struct aac_fibhdr) -
+ sizeof(struct aac_write) + sizeof(struct sgentry)) /
+ sizeof(struct sgentry);
+ if (dev->dac_support) {
+ dev->a_ops.adapter_read = aac_read_block64;
+ dev->a_ops.adapter_write = aac_write_block64;
+ /*
+ * 38 scatter gather elements
+ */
+ dev->scsi_host_ptr->sg_tablesize =
+ (dev->max_fib_size -
+ sizeof(struct aac_fibhdr) -
+ sizeof(struct aac_write64) +
+ sizeof(struct sgentry64)) /
+ sizeof(struct sgentry64);
+ } else {
+ dev->a_ops.adapter_read = aac_read_block;
+ dev->a_ops.adapter_write = aac_write_block;
+ }
+ dev->scsi_host_ptr->max_sectors = AAC_MAX_32BIT_SGBCOUNT;
+ if (!(dev->adapter_info.options & AAC_OPT_NEW_COMM)) {
+ /*
+ * Worst case size that could cause sg overflow when
+ * we break up SG elements that are larger than 64KB.
+ * Would be nice if we could tell the SCSI layer what
+ * the maximum SG element size can be. Worst case is
+ * (sg_tablesize-1) 4KB elements with one 64KB
+ * element.
+ * 32bit -> 468 or 238KB 64bit -> 424 or 212KB
+ */
+ dev->scsi_host_ptr->max_sectors =
+ (dev->scsi_host_ptr->sg_tablesize * 8) + 112;
+ }
+ }
+ /* FIB should be freed only after getting the response from the F/W */
+ if (rcode != -ERESTARTSYS) {
+ aac_fib_complete(fibptr);
+ aac_fib_free(fibptr);
+ }
+
+ return rcode;
+}
+
+
+static void io_callback(void *context, struct fib * fibptr)
+{
+ struct aac_dev *dev;
+ struct aac_read_reply *readreply;
+ struct scsi_cmnd *scsicmd;
+ u32 cid;
+
+ scsicmd = (struct scsi_cmnd *) context;
+
+ if (!aac_valid_context(scsicmd, fibptr))
+ return;
+
+ dev = fibptr->dev;
+ cid = scmd_id(scsicmd);
+
+ if (nblank(dprintk(x))) {
+ u64 lba;
+ switch (scsicmd->cmnd[0]) {
+ case WRITE_6:
+ case READ_6:
+ lba = ((scsicmd->cmnd[1] & 0x1F) << 16) |
+ (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3];
+ break;
+ case WRITE_16:
+ case READ_16:
+ lba = ((u64)scsicmd->cmnd[2] << 56) |
+ ((u64)scsicmd->cmnd[3] << 48) |
+ ((u64)scsicmd->cmnd[4] << 40) |
+ ((u64)scsicmd->cmnd[5] << 32) |
+ ((u64)scsicmd->cmnd[6] << 24) |
+ (scsicmd->cmnd[7] << 16) |
+ (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
+ break;
+ case WRITE_12:
+ case READ_12:
+ lba = ((u64)scsicmd->cmnd[2] << 24) |
+ (scsicmd->cmnd[3] << 16) |
+ (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
+ break;
+ default:
+ lba = ((u64)scsicmd->cmnd[2] << 24) |
+ (scsicmd->cmnd[3] << 16) |
+ (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
+ break;
+ }
+ printk(KERN_DEBUG
+ "io_callback[cpu %d]: lba = %llu, t = %ld.\n",
+ smp_processor_id(), (unsigned long long)lba, jiffies);
+ }
+
+ BUG_ON(fibptr == NULL);
+
+ scsi_dma_unmap(scsicmd);
+
+ readreply = (struct aac_read_reply *)fib_data(fibptr);
+ switch (le32_to_cpu(readreply->status)) {
+ case ST_OK:
+ scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
+ SAM_STAT_GOOD;
+ dev->fsa_dev[cid].sense_data.sense_key = NO_SENSE;
+ break;
+ case ST_NOT_READY:
+ scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
+ SAM_STAT_CHECK_CONDITION;
+ set_sense(&dev->fsa_dev[cid].sense_data, NOT_READY,
+ SENCODE_BECOMING_READY, ASENCODE_BECOMING_READY, 0, 0);
+ memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
+ min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
+ SCSI_SENSE_BUFFERSIZE));
+ break;
+ default:
+#ifdef AAC_DETAILED_STATUS_INFO
+ printk(KERN_WARNING "io_callback: io failed, status = %d\n",
+ le32_to_cpu(readreply->status));
+#endif
+ scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
+ SAM_STAT_CHECK_CONDITION;
+ set_sense(&dev->fsa_dev[cid].sense_data,
+ HARDWARE_ERROR, SENCODE_INTERNAL_TARGET_FAILURE,
+ ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0);
+ memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
+ min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
+ SCSI_SENSE_BUFFERSIZE));
+ break;
+ }
+ aac_fib_complete(fibptr);
+ aac_fib_free(fibptr);
+
+ scsicmd->scsi_done(scsicmd);
+}
+
+static int aac_read(struct scsi_cmnd * scsicmd)
+{
+ u64 lba;
+ u32 count;
+ int status;
+ struct aac_dev *dev;
+ struct fib * cmd_fibcontext;
+ int cid;
+
+ dev = (struct aac_dev *)scsicmd->device->host->hostdata;
+ /*
+ * Get block address and transfer length
+ */
+ switch (scsicmd->cmnd[0]) {
+ case READ_6:
+ dprintk((KERN_DEBUG "aachba: received a read(6) command on id %d.\n", scmd_id(scsicmd)));
+
+ lba = ((scsicmd->cmnd[1] & 0x1F) << 16) |
+ (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3];
+ count = scsicmd->cmnd[4];
+
+ if (count == 0)
+ count = 256;
+ break;
+ case READ_16:
+ dprintk((KERN_DEBUG "aachba: received a read(16) command on id %d.\n", scmd_id(scsicmd)));
+
+ lba = ((u64)scsicmd->cmnd[2] << 56) |
+ ((u64)scsicmd->cmnd[3] << 48) |
+ ((u64)scsicmd->cmnd[4] << 40) |
+ ((u64)scsicmd->cmnd[5] << 32) |
+ ((u64)scsicmd->cmnd[6] << 24) |
+ (scsicmd->cmnd[7] << 16) |
+ (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
+ count = (scsicmd->cmnd[10] << 24) |
+ (scsicmd->cmnd[11] << 16) |
+ (scsicmd->cmnd[12] << 8) | scsicmd->cmnd[13];
+ break;
+ case READ_12:
+ dprintk((KERN_DEBUG "aachba: received a read(12) command on id %d.\n", scmd_id(scsicmd)));
+
+ lba = ((u64)scsicmd->cmnd[2] << 24) |
+ (scsicmd->cmnd[3] << 16) |
+ (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
+ count = (scsicmd->cmnd[6] << 24) |
+ (scsicmd->cmnd[7] << 16) |
+ (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
+ break;
+ default:
+ dprintk((KERN_DEBUG "aachba: received a read(10) command on id %d.\n", scmd_id(scsicmd)));
+
+ lba = ((u64)scsicmd->cmnd[2] << 24) |
+ (scsicmd->cmnd[3] << 16) |
+ (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
+ count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8];
+ break;
+ }
+
+ if ((lba + count) > (dev->fsa_dev[scmd_id(scsicmd)].size)) {
+ cid = scmd_id(scsicmd);
+ dprintk((KERN_DEBUG "aacraid: Illegal lba\n"));
+ scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
+ SAM_STAT_CHECK_CONDITION;
+ set_sense(&dev->fsa_dev[cid].sense_data,
+ HARDWARE_ERROR, SENCODE_INTERNAL_TARGET_FAILURE,
+ ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0);
+ memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
+ min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
+ SCSI_SENSE_BUFFERSIZE));
+ scsicmd->scsi_done(scsicmd);
+ return 1;
+ }
+
+ dprintk((KERN_DEBUG "aac_read[cpu %d]: lba = %llu, t = %ld.\n",
+ smp_processor_id(), (unsigned long long)lba, jiffies));
+ if (aac_adapter_bounds(dev,scsicmd,lba))
+ return 0;
+ /*
+ * Alocate and initialize a Fib
+ */
+ if (!(cmd_fibcontext = aac_fib_alloc(dev))) {
+ printk(KERN_WARNING "aac_read: fib allocation failed\n");
+ return -1;
+ }
+
+ status = aac_adapter_read(cmd_fibcontext, scsicmd, lba, count);
+
+ /*
+ * Check that the command queued to the controller
+ */
+ if (status == -EINPROGRESS) {
+ scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
+ return 0;
+ }
+
+ printk(KERN_WARNING "aac_read: aac_fib_send failed with status: %d.\n", status);
+ /*
+ * For some reason, the Fib didn't queue, return QUEUE_FULL
+ */
+ scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_TASK_SET_FULL;
+ scsicmd->scsi_done(scsicmd);
+ aac_fib_complete(cmd_fibcontext);
+ aac_fib_free(cmd_fibcontext);
+ return 0;
+}
+
+static int aac_write(struct scsi_cmnd * scsicmd)
+{
+ u64 lba;
+ u32 count;
+ int fua;
+ int status;
+ struct aac_dev *dev;
+ struct fib * cmd_fibcontext;
+ int cid;
+
+ dev = (struct aac_dev *)scsicmd->device->host->hostdata;
+ /*
+ * Get block address and transfer length
+ */
+ if (scsicmd->cmnd[0] == WRITE_6) /* 6 byte command */
+ {
+ lba = ((scsicmd->cmnd[1] & 0x1F) << 16) | (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3];
+ count = scsicmd->cmnd[4];
+ if (count == 0)
+ count = 256;
+ fua = 0;
+ } else if (scsicmd->cmnd[0] == WRITE_16) { /* 16 byte command */
+ dprintk((KERN_DEBUG "aachba: received a write(16) command on id %d.\n", scmd_id(scsicmd)));
+
+ lba = ((u64)scsicmd->cmnd[2] << 56) |
+ ((u64)scsicmd->cmnd[3] << 48) |
+ ((u64)scsicmd->cmnd[4] << 40) |
+ ((u64)scsicmd->cmnd[5] << 32) |
+ ((u64)scsicmd->cmnd[6] << 24) |
+ (scsicmd->cmnd[7] << 16) |
+ (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
+ count = (scsicmd->cmnd[10] << 24) | (scsicmd->cmnd[11] << 16) |
+ (scsicmd->cmnd[12] << 8) | scsicmd->cmnd[13];
+ fua = scsicmd->cmnd[1] & 0x8;
+ } else if (scsicmd->cmnd[0] == WRITE_12) { /* 12 byte command */
+ dprintk((KERN_DEBUG "aachba: received a write(12) command on id %d.\n", scmd_id(scsicmd)));
+
+ lba = ((u64)scsicmd->cmnd[2] << 24) | (scsicmd->cmnd[3] << 16)
+ | (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
+ count = (scsicmd->cmnd[6] << 24) | (scsicmd->cmnd[7] << 16)
+ | (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
+ fua = scsicmd->cmnd[1] & 0x8;
+ } else {
+ dprintk((KERN_DEBUG "aachba: received a write(10) command on id %d.\n", scmd_id(scsicmd)));
+ lba = ((u64)scsicmd->cmnd[2] << 24) | (scsicmd->cmnd[3] << 16) | (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
+ count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8];
+ fua = scsicmd->cmnd[1] & 0x8;
+ }
+
+ if ((lba + count) > (dev->fsa_dev[scmd_id(scsicmd)].size)) {
+ cid = scmd_id(scsicmd);
+ dprintk((KERN_DEBUG "aacraid: Illegal lba\n"));
+ scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
+ SAM_STAT_CHECK_CONDITION;
+ set_sense(&dev->fsa_dev[cid].sense_data,
+ HARDWARE_ERROR, SENCODE_INTERNAL_TARGET_FAILURE,
+ ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0);
+ memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
+ min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
+ SCSI_SENSE_BUFFERSIZE));
+ scsicmd->scsi_done(scsicmd);
+ return 1;
+ }
+
+ dprintk((KERN_DEBUG "aac_write[cpu %d]: lba = %llu, t = %ld.\n",
+ smp_processor_id(), (unsigned long long)lba, jiffies));
+ if (aac_adapter_bounds(dev,scsicmd,lba))
+ return 0;
+ /*
+ * Allocate and initialize a Fib then setup a BlockWrite command
+ */
+ if (!(cmd_fibcontext = aac_fib_alloc(dev))) {
+ /* FIB temporarily unavailable,not catastrophic failure */
+
+ /* scsicmd->result = DID_ERROR << 16;
+ * scsicmd->scsi_done(scsicmd);
+ * return 0;
+ */
+ printk(KERN_WARNING "aac_write: fib allocation failed\n");
+ return -1;
+ }
+
+ status = aac_adapter_write(cmd_fibcontext, scsicmd, lba, count, fua);
+
+ /*
+ * Check that the command queued to the controller
+ */
+ if (status == -EINPROGRESS) {
+ scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
+ return 0;
+ }
+
+ printk(KERN_WARNING "aac_write: aac_fib_send failed with status: %d\n", status);
+ /*
+ * For some reason, the Fib didn't queue, return QUEUE_FULL
+ */
+ scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_TASK_SET_FULL;
+ scsicmd->scsi_done(scsicmd);
+
+ aac_fib_complete(cmd_fibcontext);
+ aac_fib_free(cmd_fibcontext);
+ return 0;
+}
+
+static void synchronize_callback(void *context, struct fib *fibptr)
+{
+ struct aac_synchronize_reply *synchronizereply;
+ struct scsi_cmnd *cmd;
+
+ cmd = context;
+
+ if (!aac_valid_context(cmd, fibptr))
+ return;
+
+ dprintk((KERN_DEBUG "synchronize_callback[cpu %d]: t = %ld.\n",
+ smp_processor_id(), jiffies));
+ BUG_ON(fibptr == NULL);
+
+
+ synchronizereply = fib_data(fibptr);
+ if (le32_to_cpu(synchronizereply->status) == CT_OK)
+ cmd->result = DID_OK << 16 |
+ COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
+ else {
+ struct scsi_device *sdev = cmd->device;
+ struct aac_dev *dev = fibptr->dev;
+ u32 cid = sdev_id(sdev);
+ printk(KERN_WARNING
+ "synchronize_callback: synchronize failed, status = %d\n",
+ le32_to_cpu(synchronizereply->status));
+ cmd->result = DID_OK << 16 |
+ COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
+ set_sense(&dev->fsa_dev[cid].sense_data,
+ HARDWARE_ERROR, SENCODE_INTERNAL_TARGET_FAILURE,
+ ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0);
+ memcpy(cmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
+ min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
+ SCSI_SENSE_BUFFERSIZE));
+ }
+
+ aac_fib_complete(fibptr);
+ aac_fib_free(fibptr);
+ cmd->scsi_done(cmd);
+}
+
+static int aac_synchronize(struct scsi_cmnd *scsicmd)
+{
+ int status;
+ struct fib *cmd_fibcontext;
+ struct aac_synchronize *synchronizecmd;
+ struct scsi_cmnd *cmd;
+ struct scsi_device *sdev = scsicmd->device;
+ int active = 0;
+ struct aac_dev *aac;
+ u64 lba = ((u64)scsicmd->cmnd[2] << 24) | (scsicmd->cmnd[3] << 16) |
+ (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
+ u32 count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8];
+ unsigned long flags;
+
+ /*
+ * Wait for all outstanding queued commands to complete to this
+ * specific target (block).
+ */
+ spin_lock_irqsave(&sdev->list_lock, flags);
+ list_for_each_entry(cmd, &sdev->cmd_list, list)
+ if (cmd->SCp.phase == AAC_OWNER_FIRMWARE) {
+ u64 cmnd_lba;
+ u32 cmnd_count;
+
+ if (cmd->cmnd[0] == WRITE_6) {
+ cmnd_lba = ((cmd->cmnd[1] & 0x1F) << 16) |
+ (cmd->cmnd[2] << 8) |
+ cmd->cmnd[3];
+ cmnd_count = cmd->cmnd[4];
+ if (cmnd_count == 0)
+ cmnd_count = 256;
+ } else if (cmd->cmnd[0] == WRITE_16) {
+ cmnd_lba = ((u64)cmd->cmnd[2] << 56) |
+ ((u64)cmd->cmnd[3] << 48) |
+ ((u64)cmd->cmnd[4] << 40) |
+ ((u64)cmd->cmnd[5] << 32) |
+ ((u64)cmd->cmnd[6] << 24) |
+ (cmd->cmnd[7] << 16) |
+ (cmd->cmnd[8] << 8) |
+ cmd->cmnd[9];
+ cmnd_count = (cmd->cmnd[10] << 24) |
+ (cmd->cmnd[11] << 16) |
+ (cmd->cmnd[12] << 8) |
+ cmd->cmnd[13];
+ } else if (cmd->cmnd[0] == WRITE_12) {
+ cmnd_lba = ((u64)cmd->cmnd[2] << 24) |
+ (cmd->cmnd[3] << 16) |
+ (cmd->cmnd[4] << 8) |
+ cmd->cmnd[5];
+ cmnd_count = (cmd->cmnd[6] << 24) |
+ (cmd->cmnd[7] << 16) |
+ (cmd->cmnd[8] << 8) |
+ cmd->cmnd[9];
+ } else if (cmd->cmnd[0] == WRITE_10) {
+ cmnd_lba = ((u64)cmd->cmnd[2] << 24) |
+ (cmd->cmnd[3] << 16) |
+ (cmd->cmnd[4] << 8) |
+ cmd->cmnd[5];
+ cmnd_count = (cmd->cmnd[7] << 8) |
+ cmd->cmnd[8];
+ } else
+ continue;
+ if (((cmnd_lba + cmnd_count) < lba) ||
+ (count && ((lba + count) < cmnd_lba)))
+ continue;
+ ++active;
+ break;
+ }
+
+ spin_unlock_irqrestore(&sdev->list_lock, flags);
+
+ /*
+ * Yield the processor (requeue for later)
+ */
+ if (active)
+ return SCSI_MLQUEUE_DEVICE_BUSY;
+
+ aac = (struct aac_dev *)sdev->host->hostdata;
+ if (aac->in_reset)
+ return SCSI_MLQUEUE_HOST_BUSY;
+
+ /*
+ * Allocate and initialize a Fib
+ */
+ if (!(cmd_fibcontext = aac_fib_alloc(aac)))
+ return SCSI_MLQUEUE_HOST_BUSY;
+
+ aac_fib_init(cmd_fibcontext);
+
+ synchronizecmd = fib_data(cmd_fibcontext);
+ synchronizecmd->command = cpu_to_le32(VM_ContainerConfig);
+ synchronizecmd->type = cpu_to_le32(CT_FLUSH_CACHE);
+ synchronizecmd->cid = cpu_to_le32(scmd_id(scsicmd));
+ synchronizecmd->count =
+ cpu_to_le32(sizeof(((struct aac_synchronize_reply *)NULL)->data));
+
+ /*
+ * Now send the Fib to the adapter
+ */
+ status = aac_fib_send(ContainerCommand,
+ cmd_fibcontext,
+ sizeof(struct aac_synchronize),
+ FsaNormal,
+ 0, 1,
+ (fib_callback)synchronize_callback,
+ (void *)scsicmd);
+
+ /*
+ * Check that the command queued to the controller
+ */
+ if (status == -EINPROGRESS) {
+ scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
+ return 0;
+ }
+
+ printk(KERN_WARNING
+ "aac_synchronize: aac_fib_send failed with status: %d.\n", status);
+ aac_fib_complete(cmd_fibcontext);
+ aac_fib_free(cmd_fibcontext);
+ return SCSI_MLQUEUE_HOST_BUSY;
+}
+
+static void aac_start_stop_callback(void *context, struct fib *fibptr)
+{
+ struct scsi_cmnd *scsicmd = context;
+
+ if (!aac_valid_context(scsicmd, fibptr))
+ return;
+
+ BUG_ON(fibptr == NULL);
+
+ scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
+
+ aac_fib_complete(fibptr);
+ aac_fib_free(fibptr);
+ scsicmd->scsi_done(scsicmd);
+}
+
+static int aac_start_stop(struct scsi_cmnd *scsicmd)
+{
+ int status;
+ struct fib *cmd_fibcontext;
+ struct aac_power_management *pmcmd;
+ struct scsi_device *sdev = scsicmd->device;
+ struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata;
+
+ if (!(aac->supplement_adapter_info.SupportedOptions2 &
+ AAC_OPTION_POWER_MANAGEMENT)) {
+ scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
+ SAM_STAT_GOOD;
+ scsicmd->scsi_done(scsicmd);
+ return 0;
+ }
+
+ if (aac->in_reset)
+ return SCSI_MLQUEUE_HOST_BUSY;
+
+ /*
+ * Allocate and initialize a Fib
+ */
+ cmd_fibcontext = aac_fib_alloc(aac);
+ if (!cmd_fibcontext)
+ return SCSI_MLQUEUE_HOST_BUSY;
+
+ aac_fib_init(cmd_fibcontext);
+
+ pmcmd = fib_data(cmd_fibcontext);
+ pmcmd->command = cpu_to_le32(VM_ContainerConfig);
+ pmcmd->type = cpu_to_le32(CT_POWER_MANAGEMENT);
+ /* Eject bit ignored, not relevant */
+ pmcmd->sub = (scsicmd->cmnd[4] & 1) ?
+ cpu_to_le32(CT_PM_START_UNIT) : cpu_to_le32(CT_PM_STOP_UNIT);
+ pmcmd->cid = cpu_to_le32(sdev_id(sdev));
+ pmcmd->parm = (scsicmd->cmnd[1] & 1) ?
+ cpu_to_le32(CT_PM_UNIT_IMMEDIATE) : 0;
+
+ /*
+ * Now send the Fib to the adapter
+ */
+ status = aac_fib_send(ContainerCommand,
+ cmd_fibcontext,
+ sizeof(struct aac_power_management),
+ FsaNormal,
+ 0, 1,
+ (fib_callback)aac_start_stop_callback,
+ (void *)scsicmd);
+
+ /*
+ * Check that the command queued to the controller
+ */
+ if (status == -EINPROGRESS) {
+ scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
+ return 0;
+ }
+
+ aac_fib_complete(cmd_fibcontext);
+ aac_fib_free(cmd_fibcontext);
+ return SCSI_MLQUEUE_HOST_BUSY;
+}
+
+/**
+ * aac_scsi_cmd() - Process SCSI command
+ * @scsicmd: SCSI command block
+ *
+ * Emulate a SCSI command and queue the required request for the
+ * aacraid firmware.
+ */
+
+int aac_scsi_cmd(struct scsi_cmnd * scsicmd)
+{
+ u32 cid;
+ struct Scsi_Host *host = scsicmd->device->host;
+ struct aac_dev *dev = (struct aac_dev *)host->hostdata;
+ struct fsa_dev_info *fsa_dev_ptr = dev->fsa_dev;
+
+ if (fsa_dev_ptr == NULL)
+ return -1;
+ /*
+ * If the bus, id or lun is out of range, return fail
+ * Test does not apply to ID 16, the pseudo id for the controller
+ * itself.
+ */
+ cid = scmd_id(scsicmd);
+ if (cid != host->this_id) {
+ if (scmd_channel(scsicmd) == CONTAINER_CHANNEL) {
+ if((cid >= dev->maximum_num_containers) ||
+ (scsicmd->device->lun != 0)) {
+ scsicmd->result = DID_NO_CONNECT << 16;
+ scsicmd->scsi_done(scsicmd);
+ return 0;
+ }
+
+ /*
+ * If the target container doesn't exist, it may have
+ * been newly created
+ */
+ if (((fsa_dev_ptr[cid].valid & 1) == 0) ||
+ (fsa_dev_ptr[cid].sense_data.sense_key ==
+ NOT_READY)) {
+ switch (scsicmd->cmnd[0]) {
+ case SERVICE_ACTION_IN_16:
+ if (!(dev->raw_io_interface) ||
+ !(dev->raw_io_64) ||
+ ((scsicmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
+ break;
+ case INQUIRY:
+ case READ_CAPACITY:
+ case TEST_UNIT_READY:
+ if (dev->in_reset)
+ return -1;
+ return _aac_probe_container(scsicmd,
+ aac_probe_container_callback2);
+ default:
+ break;
+ }
+ }
+ } else { /* check for physical non-dasd devices */
+ if (dev->nondasd_support || expose_physicals ||
+ dev->jbod) {
+ if (dev->in_reset)
+ return -1;
+ return aac_send_srb_fib(scsicmd);
+ } else {
+ scsicmd->result = DID_NO_CONNECT << 16;
+ scsicmd->scsi_done(scsicmd);
+ return 0;
+ }
+ }
+ }
+ /*
+ * else Command for the controller itself
+ */
+ else if ((scsicmd->cmnd[0] != INQUIRY) && /* only INQUIRY & TUR cmnd supported for controller */
+ (scsicmd->cmnd[0] != TEST_UNIT_READY))
+ {
+ dprintk((KERN_WARNING "Only INQUIRY & TUR command supported for controller, rcvd = 0x%x.\n", scsicmd->cmnd[0]));
+ scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
+ set_sense(&dev->fsa_dev[cid].sense_data,
+ ILLEGAL_REQUEST, SENCODE_INVALID_COMMAND,
+ ASENCODE_INVALID_COMMAND, 0, 0);
+ memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
+ min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
+ SCSI_SENSE_BUFFERSIZE));
+ scsicmd->scsi_done(scsicmd);
+ return 0;
+ }
+
+
+ /* Handle commands here that don't really require going out to the adapter */
+ switch (scsicmd->cmnd[0]) {
+ case INQUIRY:
+ {
+ struct inquiry_data inq_data;
+
+ dprintk((KERN_DEBUG "INQUIRY command, ID: %d.\n", cid));
+ memset(&inq_data, 0, sizeof (struct inquiry_data));
+
+ if ((scsicmd->cmnd[1] & 0x1) && aac_wwn) {
+ char *arr = (char *)&inq_data;
+
+ /* EVPD bit set */
+ arr[0] = (scmd_id(scsicmd) == host->this_id) ?
+ INQD_PDT_PROC : INQD_PDT_DA;
+ if (scsicmd->cmnd[2] == 0) {
+ /* supported vital product data pages */
+ arr[3] = 3;
+ arr[4] = 0x0;
+ arr[5] = 0x80;
+ arr[6] = 0x83;
+ arr[1] = scsicmd->cmnd[2];
+ scsi_sg_copy_from_buffer(scsicmd, &inq_data,
+ sizeof(inq_data));
+ scsicmd->result = DID_OK << 16 |
+ COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
+ } else if (scsicmd->cmnd[2] == 0x80) {
+ /* unit serial number page */
+ arr[3] = setinqserial(dev, &arr[4],
+ scmd_id(scsicmd));
+ arr[1] = scsicmd->cmnd[2];
+ scsi_sg_copy_from_buffer(scsicmd, &inq_data,
+ sizeof(inq_data));
+ if (aac_wwn != 2)
+ return aac_get_container_serial(
+ scsicmd);
+ scsicmd->result = DID_OK << 16 |
+ COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
+ } else if (scsicmd->cmnd[2] == 0x83) {
+ /* vpd page 0x83 - Device Identification Page */
+ char *sno = (char *)&inq_data;
+ sno[3] = setinqserial(dev, &sno[4],
+ scmd_id(scsicmd));
+ if (aac_wwn != 2)
+ return aac_get_container_serial(
+ scsicmd);
+ scsicmd->result = DID_OK << 16 |
+ COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
+ } else {
+ /* vpd page not implemented */
+ scsicmd->result = DID_OK << 16 |
+ COMMAND_COMPLETE << 8 |
+ SAM_STAT_CHECK_CONDITION;
+ set_sense(&dev->fsa_dev[cid].sense_data,
+ ILLEGAL_REQUEST, SENCODE_INVALID_CDB_FIELD,
+ ASENCODE_NO_SENSE, 7, 2);
+ memcpy(scsicmd->sense_buffer,
+ &dev->fsa_dev[cid].sense_data,
+ min_t(size_t,
+ sizeof(dev->fsa_dev[cid].sense_data),
+ SCSI_SENSE_BUFFERSIZE));
+ }
+ scsicmd->scsi_done(scsicmd);
+ return 0;
+ }
+ inq_data.inqd_ver = 2; /* claim compliance to SCSI-2 */
+ inq_data.inqd_rdf = 2; /* A response data format value of two indicates that the data shall be in the format specified in SCSI-2 */
+ inq_data.inqd_len = 31;
+ /*Format for "pad2" is RelAdr | WBus32 | WBus16 | Sync | Linked |Reserved| CmdQue | SftRe */
+ inq_data.inqd_pad2= 0x32 ; /*WBus16|Sync|CmdQue */
+ /*
+ * Set the Vendor, Product, and Revision Level
+ * see: <vendor>.c i.e. aac.c
+ */
+ if (cid == host->this_id) {
+ setinqstr(dev, (void *) (inq_data.inqd_vid), ARRAY_SIZE(container_types));
+ inq_data.inqd_pdt = INQD_PDT_PROC; /* Processor device */
+ scsi_sg_copy_from_buffer(scsicmd, &inq_data,
+ sizeof(inq_data));
+ scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
+ scsicmd->scsi_done(scsicmd);
+ return 0;
+ }
+ if (dev->in_reset)
+ return -1;
+ setinqstr(dev, (void *) (inq_data.inqd_vid), fsa_dev_ptr[cid].type);
+ inq_data.inqd_pdt = INQD_PDT_DA; /* Direct/random access device */
+ scsi_sg_copy_from_buffer(scsicmd, &inq_data, sizeof(inq_data));
+ return aac_get_container_name(scsicmd);
+ }
+ case SERVICE_ACTION_IN_16:
+ if (!(dev->raw_io_interface) ||
+ !(dev->raw_io_64) ||
+ ((scsicmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
+ break;
+ {
+ u64 capacity;
+ char cp[13];
+ unsigned int alloc_len;
+
+ dprintk((KERN_DEBUG "READ CAPACITY_16 command.\n"));
+ capacity = fsa_dev_ptr[cid].size - 1;
+ cp[0] = (capacity >> 56) & 0xff;
+ cp[1] = (capacity >> 48) & 0xff;
+ cp[2] = (capacity >> 40) & 0xff;
+ cp[3] = (capacity >> 32) & 0xff;
+ cp[4] = (capacity >> 24) & 0xff;
+ cp[5] = (capacity >> 16) & 0xff;
+ cp[6] = (capacity >> 8) & 0xff;
+ cp[7] = (capacity >> 0) & 0xff;
+ cp[8] = (fsa_dev_ptr[cid].block_size >> 24) & 0xff;
+ cp[9] = (fsa_dev_ptr[cid].block_size >> 16) & 0xff;
+ cp[10] = (fsa_dev_ptr[cid].block_size >> 8) & 0xff;
+ cp[11] = (fsa_dev_ptr[cid].block_size) & 0xff;
+ cp[12] = 0;
+
+ alloc_len = ((scsicmd->cmnd[10] << 24)
+ + (scsicmd->cmnd[11] << 16)
+ + (scsicmd->cmnd[12] << 8) + scsicmd->cmnd[13]);
+
+ alloc_len = min_t(size_t, alloc_len, sizeof(cp));
+ scsi_sg_copy_from_buffer(scsicmd, cp, alloc_len);
+ if (alloc_len < scsi_bufflen(scsicmd))
+ scsi_set_resid(scsicmd,
+ scsi_bufflen(scsicmd) - alloc_len);
+
+ /* Do not cache partition table for arrays */
+ scsicmd->device->removable = 1;
+
+ scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
+ scsicmd->scsi_done(scsicmd);
+
+ return 0;
+ }
+
+ case READ_CAPACITY:
+ {
+ u32 capacity;
+ char cp[8];
+
+ dprintk((KERN_DEBUG "READ CAPACITY command.\n"));
+ if (fsa_dev_ptr[cid].size <= 0x100000000ULL)
+ capacity = fsa_dev_ptr[cid].size - 1;
+ else
+ capacity = (u32)-1;
+
+ cp[0] = (capacity >> 24) & 0xff;
+ cp[1] = (capacity >> 16) & 0xff;
+ cp[2] = (capacity >> 8) & 0xff;
+ cp[3] = (capacity >> 0) & 0xff;
+ cp[4] = (fsa_dev_ptr[cid].block_size >> 24) & 0xff;
+ cp[5] = (fsa_dev_ptr[cid].block_size >> 16) & 0xff;
+ cp[6] = (fsa_dev_ptr[cid].block_size >> 8) & 0xff;
+ cp[7] = (fsa_dev_ptr[cid].block_size) & 0xff;
+ scsi_sg_copy_from_buffer(scsicmd, cp, sizeof(cp));
+ /* Do not cache partition table for arrays */
+ scsicmd->device->removable = 1;
+ scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
+ SAM_STAT_GOOD;
+ scsicmd->scsi_done(scsicmd);
+
+ return 0;
+ }
+
+ case MODE_SENSE:
+ {
+ int mode_buf_length = 4;
+ u32 capacity;
+ aac_modep_data mpd;
+
+ if (fsa_dev_ptr[cid].size <= 0x100000000ULL)
+ capacity = fsa_dev_ptr[cid].size - 1;
+ else
+ capacity = (u32)-1;
+
+ dprintk((KERN_DEBUG "MODE SENSE command.\n"));
+ memset((char *)&mpd, 0, sizeof(aac_modep_data));
+
+ /* Mode data length */
+ mpd.hd.data_length = sizeof(mpd.hd) - 1;
+ /* Medium type - default */
+ mpd.hd.med_type = 0;
+ /* Device-specific param,
+ bit 8: 0/1 = write enabled/protected
+ bit 4: 0/1 = FUA enabled */
+ mpd.hd.dev_par = 0;
+
+ if (dev->raw_io_interface && ((aac_cache & 5) != 1))
+ mpd.hd.dev_par = 0x10;
+ if (scsicmd->cmnd[1] & 0x8)
+ mpd.hd.bd_length = 0; /* Block descriptor length */
+ else {
+ mpd.hd.bd_length = sizeof(mpd.bd);
+ mpd.hd.data_length += mpd.hd.bd_length;
+ mpd.bd.block_length[0] =
+ (fsa_dev_ptr[cid].block_size >> 16) & 0xff;
+ mpd.bd.block_length[1] =
+ (fsa_dev_ptr[cid].block_size >> 8) & 0xff;
+ mpd.bd.block_length[2] =
+ fsa_dev_ptr[cid].block_size & 0xff;
+
+ mpd.mpc_buf[0] = scsicmd->cmnd[2];
+ if (scsicmd->cmnd[2] == 0x1C) {
+ /* page length */
+ mpd.mpc_buf[1] = 0xa;
+ /* Mode data length */
+ mpd.hd.data_length = 23;
+ } else {
+ /* Mode data length */
+ mpd.hd.data_length = 15;
+ }
+
+ if (capacity > 0xffffff) {
+ mpd.bd.block_count[0] = 0xff;
+ mpd.bd.block_count[1] = 0xff;
+ mpd.bd.block_count[2] = 0xff;
+ } else {
+ mpd.bd.block_count[0] = (capacity >> 16) & 0xff;
+ mpd.bd.block_count[1] = (capacity >> 8) & 0xff;
+ mpd.bd.block_count[2] = capacity & 0xff;
+ }
+ }
+ if (((scsicmd->cmnd[2] & 0x3f) == 8) ||
+ ((scsicmd->cmnd[2] & 0x3f) == 0x3f)) {
+ mpd.hd.data_length += 3;
+ mpd.mpc_buf[0] = 8;
+ mpd.mpc_buf[1] = 1;
+ mpd.mpc_buf[2] = ((aac_cache & 6) == 2)
+ ? 0 : 0x04; /* WCE */
+ mode_buf_length = sizeof(mpd);
+ }
+
+ if (mode_buf_length > scsicmd->cmnd[4])
+ mode_buf_length = scsicmd->cmnd[4];
+ else
+ mode_buf_length = sizeof(mpd);
+ scsi_sg_copy_from_buffer(scsicmd,
+ (char *)&mpd,
+ mode_buf_length);
+ scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
+ scsicmd->scsi_done(scsicmd);
+
+ return 0;
+ }
+ case MODE_SENSE_10:
+ {
+ u32 capacity;
+ int mode_buf_length = 8;
+ aac_modep10_data mpd10;
+
+ if (fsa_dev_ptr[cid].size <= 0x100000000ULL)
+ capacity = fsa_dev_ptr[cid].size - 1;
+ else
+ capacity = (u32)-1;
+
+ dprintk((KERN_DEBUG "MODE SENSE 10 byte command.\n"));
+ memset((char *)&mpd10, 0, sizeof(aac_modep10_data));
+ /* Mode data length (MSB) */
+ mpd10.hd.data_length[0] = 0;
+ /* Mode data length (LSB) */
+ mpd10.hd.data_length[1] = sizeof(mpd10.hd) - 1;
+ /* Medium type - default */
+ mpd10.hd.med_type = 0;
+ /* Device-specific param,
+ bit 8: 0/1 = write enabled/protected
+ bit 4: 0/1 = FUA enabled */
+ mpd10.hd.dev_par = 0;
+
+ if (dev->raw_io_interface && ((aac_cache & 5) != 1))
+ mpd10.hd.dev_par = 0x10;
+ mpd10.hd.rsrvd[0] = 0; /* reserved */
+ mpd10.hd.rsrvd[1] = 0; /* reserved */
+ if (scsicmd->cmnd[1] & 0x8) {
+ /* Block descriptor length (MSB) */
+ mpd10.hd.bd_length[0] = 0;
+ /* Block descriptor length (LSB) */
+ mpd10.hd.bd_length[1] = 0;
+ } else {
+ mpd10.hd.bd_length[0] = 0;
+ mpd10.hd.bd_length[1] = sizeof(mpd10.bd);
+
+ mpd10.hd.data_length[1] += mpd10.hd.bd_length[1];
+
+ mpd10.bd.block_length[0] =
+ (fsa_dev_ptr[cid].block_size >> 16) & 0xff;
+ mpd10.bd.block_length[1] =
+ (fsa_dev_ptr[cid].block_size >> 8) & 0xff;
+ mpd10.bd.block_length[2] =
+ fsa_dev_ptr[cid].block_size & 0xff;
+
+ if (capacity > 0xffffff) {
+ mpd10.bd.block_count[0] = 0xff;
+ mpd10.bd.block_count[1] = 0xff;
+ mpd10.bd.block_count[2] = 0xff;
+ } else {
+ mpd10.bd.block_count[0] =
+ (capacity >> 16) & 0xff;
+ mpd10.bd.block_count[1] =
+ (capacity >> 8) & 0xff;
+ mpd10.bd.block_count[2] =
+ capacity & 0xff;
+ }
+ }
+ if (((scsicmd->cmnd[2] & 0x3f) == 8) ||
+ ((scsicmd->cmnd[2] & 0x3f) == 0x3f)) {
+ mpd10.hd.data_length[1] += 3;
+ mpd10.mpc_buf[0] = 8;
+ mpd10.mpc_buf[1] = 1;
+ mpd10.mpc_buf[2] = ((aac_cache & 6) == 2)
+ ? 0 : 0x04; /* WCE */
+ mode_buf_length = sizeof(mpd10);
+ if (mode_buf_length > scsicmd->cmnd[8])
+ mode_buf_length = scsicmd->cmnd[8];
+ }
+ scsi_sg_copy_from_buffer(scsicmd,
+ (char *)&mpd10,
+ mode_buf_length);
+
+ scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
+ scsicmd->scsi_done(scsicmd);
+
+ return 0;
+ }
+ case REQUEST_SENSE:
+ dprintk((KERN_DEBUG "REQUEST SENSE command.\n"));
+ memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data, sizeof (struct sense_data));
+ memset(&dev->fsa_dev[cid].sense_data, 0, sizeof (struct sense_data));
+ scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
+ scsicmd->scsi_done(scsicmd);
+ return 0;
+
+ case ALLOW_MEDIUM_REMOVAL:
+ dprintk((KERN_DEBUG "LOCK command.\n"));
+ if (scsicmd->cmnd[4])
+ fsa_dev_ptr[cid].locked = 1;
+ else
+ fsa_dev_ptr[cid].locked = 0;
+
+ scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
+ scsicmd->scsi_done(scsicmd);
+ return 0;
+ /*
+ * These commands are all No-Ops
+ */
+ case TEST_UNIT_READY:
+ if (fsa_dev_ptr[cid].sense_data.sense_key == NOT_READY) {
+ scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
+ SAM_STAT_CHECK_CONDITION;
+ set_sense(&dev->fsa_dev[cid].sense_data,
+ NOT_READY, SENCODE_BECOMING_READY,
+ ASENCODE_BECOMING_READY, 0, 0);
+ memcpy(scsicmd->sense_buffer,
+ &dev->fsa_dev[cid].sense_data,
+ min_t(size_t,
+ sizeof(dev->fsa_dev[cid].sense_data),
+ SCSI_SENSE_BUFFERSIZE));
+ scsicmd->scsi_done(scsicmd);
+ return 0;
+ }
+ /* FALLTHRU */
+ case RESERVE:
+ case RELEASE:
+ case REZERO_UNIT:
+ case REASSIGN_BLOCKS:
+ case SEEK_10:
+ scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
+ scsicmd->scsi_done(scsicmd);
+ return 0;
+
+ case START_STOP:
+ return aac_start_stop(scsicmd);
+ }
+
+ switch (scsicmd->cmnd[0])
+ {
+ case READ_6:
+ case READ_10:
+ case READ_12:
+ case READ_16:
+ if (dev->in_reset)
+ return -1;
+ /*
+ * Hack to keep track of ordinal number of the device that
+ * corresponds to a container. Needed to convert
+ * containers to /dev/sd device names
+ */
+
+ if (scsicmd->request->rq_disk)
+ strlcpy(fsa_dev_ptr[cid].devname,
+ scsicmd->request->rq_disk->disk_name,
+ min(sizeof(fsa_dev_ptr[cid].devname),
+ sizeof(scsicmd->request->rq_disk->disk_name) + 1));
+
+ return aac_read(scsicmd);
+
+ case WRITE_6:
+ case WRITE_10:
+ case WRITE_12:
+ case WRITE_16:
+ if (dev->in_reset)
+ return -1;
+ return aac_write(scsicmd);
+
+ case SYNCHRONIZE_CACHE:
+ if (((aac_cache & 6) == 6) && dev->cache_protected) {
+ scsicmd->result = DID_OK << 16 |
+ COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
+ scsicmd->scsi_done(scsicmd);
+ return 0;
+ }
+ /* Issue FIB to tell Firmware to flush it's cache */
+ if ((aac_cache & 6) != 2)
+ return aac_synchronize(scsicmd);
+ /* FALLTHRU */
+ default:
+ /*
+ * Unhandled commands
+ */
+ dprintk((KERN_WARNING "Unhandled SCSI Command: 0x%x.\n", scsicmd->cmnd[0]));
+ scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
+ set_sense(&dev->fsa_dev[cid].sense_data,
+ ILLEGAL_REQUEST, SENCODE_INVALID_COMMAND,
+ ASENCODE_INVALID_COMMAND, 0, 0);
+ memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
+ min_t(size_t,
+ sizeof(dev->fsa_dev[cid].sense_data),
+ SCSI_SENSE_BUFFERSIZE));
+ scsicmd->scsi_done(scsicmd);
+ return 0;
+ }
+}
+
+static int query_disk(struct aac_dev *dev, void __user *arg)
+{
+ struct aac_query_disk qd;
+ struct fsa_dev_info *fsa_dev_ptr;
+
+ fsa_dev_ptr = dev->fsa_dev;
+ if (!fsa_dev_ptr)
+ return -EBUSY;
+ if (copy_from_user(&qd, arg, sizeof (struct aac_query_disk)))
+ return -EFAULT;
+ if (qd.cnum == -1)
+ qd.cnum = qd.id;
+ else if ((qd.bus == -1) && (qd.id == -1) && (qd.lun == -1))
+ {
+ if (qd.cnum < 0 || qd.cnum >= dev->maximum_num_containers)
+ return -EINVAL;
+ qd.instance = dev->scsi_host_ptr->host_no;
+ qd.bus = 0;
+ qd.id = CONTAINER_TO_ID(qd.cnum);
+ qd.lun = CONTAINER_TO_LUN(qd.cnum);
+ }
+ else return -EINVAL;
+
+ qd.valid = fsa_dev_ptr[qd.cnum].valid != 0;
+ qd.locked = fsa_dev_ptr[qd.cnum].locked;
+ qd.deleted = fsa_dev_ptr[qd.cnum].deleted;
+
+ if (fsa_dev_ptr[qd.cnum].devname[0] == '\0')
+ qd.unmapped = 1;
+ else
+ qd.unmapped = 0;
+
+ strlcpy(qd.name, fsa_dev_ptr[qd.cnum].devname,
+ min(sizeof(qd.name), sizeof(fsa_dev_ptr[qd.cnum].devname) + 1));
+
+ if (copy_to_user(arg, &qd, sizeof (struct aac_query_disk)))
+ return -EFAULT;
+ return 0;
+}
+
+static int force_delete_disk(struct aac_dev *dev, void __user *arg)
+{
+ struct aac_delete_disk dd;
+ struct fsa_dev_info *fsa_dev_ptr;
+
+ fsa_dev_ptr = dev->fsa_dev;
+ if (!fsa_dev_ptr)
+ return -EBUSY;
+
+ if (copy_from_user(&dd, arg, sizeof (struct aac_delete_disk)))
+ return -EFAULT;
+
+ if (dd.cnum >= dev->maximum_num_containers)
+ return -EINVAL;
+ /*
+ * Mark this container as being deleted.
+ */
+ fsa_dev_ptr[dd.cnum].deleted = 1;
+ /*
+ * Mark the container as no longer valid
+ */
+ fsa_dev_ptr[dd.cnum].valid = 0;
+ return 0;
+}
+
+static int delete_disk(struct aac_dev *dev, void __user *arg)
+{
+ struct aac_delete_disk dd;
+ struct fsa_dev_info *fsa_dev_ptr;
+
+ fsa_dev_ptr = dev->fsa_dev;
+ if (!fsa_dev_ptr)
+ return -EBUSY;
+
+ if (copy_from_user(&dd, arg, sizeof (struct aac_delete_disk)))
+ return -EFAULT;
+
+ if (dd.cnum >= dev->maximum_num_containers)
+ return -EINVAL;
+ /*
+ * If the container is locked, it can not be deleted by the API.
+ */
+ if (fsa_dev_ptr[dd.cnum].locked)
+ return -EBUSY;
+ else {
+ /*
+ * Mark the container as no longer being valid.
+ */
+ fsa_dev_ptr[dd.cnum].valid = 0;
+ fsa_dev_ptr[dd.cnum].devname[0] = '\0';
+ return 0;
+ }
+}
+
+int aac_dev_ioctl(struct aac_dev *dev, int cmd, void __user *arg)
+{
+ switch (cmd) {
+ case FSACTL_QUERY_DISK:
+ return query_disk(dev, arg);
+ case FSACTL_DELETE_DISK:
+ return delete_disk(dev, arg);
+ case FSACTL_FORCE_DELETE_DISK:
+ return force_delete_disk(dev, arg);
+ case FSACTL_GET_CONTAINERS:
+ return aac_get_containers(dev);
+ default:
+ return -ENOTTY;
+ }
+}
+
+/**
+ *
+ * aac_srb_callback
+ * @context: the context set in the fib - here it is scsi cmd
+ * @fibptr: pointer to the fib
+ *
+ * Handles the completion of a scsi command to a non dasd device
+ *
+ */
+
+static void aac_srb_callback(void *context, struct fib * fibptr)
+{
+ struct aac_dev *dev;
+ struct aac_srb_reply *srbreply;
+ struct scsi_cmnd *scsicmd;
+
+ scsicmd = (struct scsi_cmnd *) context;
+
+ if (!aac_valid_context(scsicmd, fibptr))
+ return;
+
+ BUG_ON(fibptr == NULL);
+
+ dev = fibptr->dev;
+
+ srbreply = (struct aac_srb_reply *) fib_data(fibptr);
+
+ scsicmd->sense_buffer[0] = '\0'; /* Initialize sense valid flag to false */
+
+ if (fibptr->flags & FIB_CONTEXT_FLAG_FASTRESP) {
+ /* fast response */
+ srbreply->srb_status = cpu_to_le32(SRB_STATUS_SUCCESS);
+ srbreply->scsi_status = cpu_to_le32(SAM_STAT_GOOD);
+ } else {
+ /*
+ * Calculate resid for sg
+ */
+ scsi_set_resid(scsicmd, scsi_bufflen(scsicmd)
+ - le32_to_cpu(srbreply->data_xfer_length));
+ }
+
+ scsi_dma_unmap(scsicmd);
+
+ /* expose physical device if expose_physicald flag is on */
+ if (scsicmd->cmnd[0] == INQUIRY && !(scsicmd->cmnd[1] & 0x01)
+ && expose_physicals > 0)
+ aac_expose_phy_device(scsicmd);
+
+ /*
+ * First check the fib status
+ */
+
+ if (le32_to_cpu(srbreply->status) != ST_OK){
+ int len;
+ printk(KERN_WARNING "aac_srb_callback: srb failed, status = %d\n", le32_to_cpu(srbreply->status));
+ len = min_t(u32, le32_to_cpu(srbreply->sense_data_size),
+ SCSI_SENSE_BUFFERSIZE);
+ scsicmd->result = DID_ERROR << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
+ memcpy(scsicmd->sense_buffer, srbreply->sense_data, len);
+ }
+
+ /*
+ * Next check the srb status
+ */
+ switch( (le32_to_cpu(srbreply->srb_status))&0x3f){
+ case SRB_STATUS_ERROR_RECOVERY:
+ case SRB_STATUS_PENDING:
+ case SRB_STATUS_SUCCESS:
+ scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8;
+ break;
+ case SRB_STATUS_DATA_OVERRUN:
+ switch(scsicmd->cmnd[0]){
+ case READ_6:
+ case WRITE_6:
+ case READ_10:
+ case WRITE_10:
+ case READ_12:
+ case WRITE_12:
+ case READ_16:
+ case WRITE_16:
+ if (le32_to_cpu(srbreply->data_xfer_length) < scsicmd->underflow) {
+ printk(KERN_WARNING"aacraid: SCSI CMD underflow\n");
+ } else {
+ printk(KERN_WARNING"aacraid: SCSI CMD Data Overrun\n");
+ }
+ scsicmd->result = DID_ERROR << 16 | COMMAND_COMPLETE << 8;
+ break;
+ case INQUIRY: {
+ scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8;
+ break;
+ }
+ default:
+ scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8;
+ break;
+ }
+ break;
+ case SRB_STATUS_ABORTED:
+ scsicmd->result = DID_ABORT << 16 | ABORT << 8;
+ break;
+ case SRB_STATUS_ABORT_FAILED:
+ // Not sure about this one - but assuming the hba was trying to abort for some reason
+ scsicmd->result = DID_ERROR << 16 | ABORT << 8;
+ break;
+ case SRB_STATUS_PARITY_ERROR:
+ scsicmd->result = DID_PARITY << 16 | MSG_PARITY_ERROR << 8;
+ break;
+ case SRB_STATUS_NO_DEVICE:
+ case SRB_STATUS_INVALID_PATH_ID:
+ case SRB_STATUS_INVALID_TARGET_ID:
+ case SRB_STATUS_INVALID_LUN:
+ case SRB_STATUS_SELECTION_TIMEOUT:
+ scsicmd->result = DID_NO_CONNECT << 16 | COMMAND_COMPLETE << 8;
+ break;
+
+ case SRB_STATUS_COMMAND_TIMEOUT:
+ case SRB_STATUS_TIMEOUT:
+ scsicmd->result = DID_TIME_OUT << 16 | COMMAND_COMPLETE << 8;
+ break;
+
+ case SRB_STATUS_BUSY:
+ scsicmd->result = DID_BUS_BUSY << 16 | COMMAND_COMPLETE << 8;
+ break;
+
+ case SRB_STATUS_BUS_RESET:
+ scsicmd->result = DID_RESET << 16 | COMMAND_COMPLETE << 8;
+ break;
+
+ case SRB_STATUS_MESSAGE_REJECTED:
+ scsicmd->result = DID_ERROR << 16 | MESSAGE_REJECT << 8;
+ break;
+ case SRB_STATUS_REQUEST_FLUSHED:
+ case SRB_STATUS_ERROR:
+ case SRB_STATUS_INVALID_REQUEST:
+ case SRB_STATUS_REQUEST_SENSE_FAILED:
+ case SRB_STATUS_NO_HBA:
+ case SRB_STATUS_UNEXPECTED_BUS_FREE:
+ case SRB_STATUS_PHASE_SEQUENCE_FAILURE:
+ case SRB_STATUS_BAD_SRB_BLOCK_LENGTH:
+ case SRB_STATUS_DELAYED_RETRY:
+ case SRB_STATUS_BAD_FUNCTION:
+ case SRB_STATUS_NOT_STARTED:
+ case SRB_STATUS_NOT_IN_USE:
+ case SRB_STATUS_FORCE_ABORT:
+ case SRB_STATUS_DOMAIN_VALIDATION_FAIL:
+ default:
+#ifdef AAC_DETAILED_STATUS_INFO
+ printk("aacraid: SRB ERROR(%u) %s scsi cmd 0x%x - scsi status 0x%x\n",
+ le32_to_cpu(srbreply->srb_status) & 0x3F,
+ aac_get_status_string(
+ le32_to_cpu(srbreply->srb_status) & 0x3F),
+ scsicmd->cmnd[0],
+ le32_to_cpu(srbreply->scsi_status));
+#endif
+ if ((scsicmd->cmnd[0] == ATA_12)
+ || (scsicmd->cmnd[0] == ATA_16)) {
+ if (scsicmd->cmnd[2] & (0x01 << 5)) {
+ scsicmd->result = DID_OK << 16
+ | COMMAND_COMPLETE << 8;
+ break;
+ } else {
+ scsicmd->result = DID_ERROR << 16
+ | COMMAND_COMPLETE << 8;
+ break;
+ }
+ } else {
+ scsicmd->result = DID_ERROR << 16
+ | COMMAND_COMPLETE << 8;
+ break;
+ }
+ }
+ if (le32_to_cpu(srbreply->scsi_status) == SAM_STAT_CHECK_CONDITION) {
+ int len;
+ scsicmd->result |= SAM_STAT_CHECK_CONDITION;
+ len = min_t(u32, le32_to_cpu(srbreply->sense_data_size),
+ SCSI_SENSE_BUFFERSIZE);
+#ifdef AAC_DETAILED_STATUS_INFO
+ printk(KERN_WARNING "aac_srb_callback: check condition, status = %d len=%d\n",
+ le32_to_cpu(srbreply->status), len);
+#endif
+ memcpy(scsicmd->sense_buffer, srbreply->sense_data, len);
+ }
+ /*
+ * OR in the scsi status (already shifted up a bit)
+ */
+ scsicmd->result |= le32_to_cpu(srbreply->scsi_status);
+
+ aac_fib_complete(fibptr);
+ aac_fib_free(fibptr);
+ scsicmd->scsi_done(scsicmd);
+}
+
+/**
+ *
+ * aac_send_scb_fib
+ * @scsicmd: the scsi command block
+ *
+ * This routine will form a FIB and fill in the aac_srb from the
+ * scsicmd passed in.
+ */
+
+static int aac_send_srb_fib(struct scsi_cmnd* scsicmd)
+{
+ struct fib* cmd_fibcontext;
+ struct aac_dev* dev;
+ int status;
+
+ dev = (struct aac_dev *)scsicmd->device->host->hostdata;
+ if (scmd_id(scsicmd) >= dev->maximum_num_physicals ||
+ scsicmd->device->lun > 7) {
+ scsicmd->result = DID_NO_CONNECT << 16;
+ scsicmd->scsi_done(scsicmd);
+ return 0;
+ }
+
+ /*
+ * Allocate and initialize a Fib then setup a BlockWrite command
+ */
+ if (!(cmd_fibcontext = aac_fib_alloc(dev))) {
+ return -1;
+ }
+ status = aac_adapter_scsi(cmd_fibcontext, scsicmd);
+
+ /*
+ * Check that the command queued to the controller
+ */
+ if (status == -EINPROGRESS) {
+ scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
+ return 0;
+ }
+
+ printk(KERN_WARNING "aac_srb: aac_fib_send failed with status: %d\n", status);
+ aac_fib_complete(cmd_fibcontext);
+ aac_fib_free(cmd_fibcontext);
+
+ return -1;
+}
+
+static long aac_build_sg(struct scsi_cmnd *scsicmd, struct sgmap *psg)
+{
+ struct aac_dev *dev;
+ unsigned long byte_count = 0;
+ int nseg;
+
+ dev = (struct aac_dev *)scsicmd->device->host->hostdata;
+ // Get rid of old data
+ psg->count = 0;
+ psg->sg[0].addr = 0;
+ psg->sg[0].count = 0;
+
+ nseg = scsi_dma_map(scsicmd);
+ if (nseg < 0)
+ return nseg;
+ if (nseg) {
+ struct scatterlist *sg;
+ int i;
+
+ psg->count = cpu_to_le32(nseg);
+
+ scsi_for_each_sg(scsicmd, sg, nseg, i) {
+ psg->sg[i].addr = cpu_to_le32(sg_dma_address(sg));
+ psg->sg[i].count = cpu_to_le32(sg_dma_len(sg));
+ byte_count += sg_dma_len(sg);
+ }
+ /* hba wants the size to be exact */
+ if (byte_count > scsi_bufflen(scsicmd)) {
+ u32 temp = le32_to_cpu(psg->sg[i-1].count) -
+ (byte_count - scsi_bufflen(scsicmd));
+ psg->sg[i-1].count = cpu_to_le32(temp);
+ byte_count = scsi_bufflen(scsicmd);
+ }
+ /* Check for command underflow */
+ if(scsicmd->underflow && (byte_count < scsicmd->underflow)){
+ printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
+ byte_count, scsicmd->underflow);
+ }
+ }
+ return byte_count;
+}
+
+
+static long aac_build_sg64(struct scsi_cmnd *scsicmd, struct sgmap64 *psg)
+{
+ struct aac_dev *dev;
+ unsigned long byte_count = 0;
+ u64 addr;
+ int nseg;
+
+ dev = (struct aac_dev *)scsicmd->device->host->hostdata;
+ // Get rid of old data
+ psg->count = 0;
+ psg->sg[0].addr[0] = 0;
+ psg->sg[0].addr[1] = 0;
+ psg->sg[0].count = 0;
+
+ nseg = scsi_dma_map(scsicmd);
+ if (nseg < 0)
+ return nseg;
+ if (nseg) {
+ struct scatterlist *sg;
+ int i;
+
+ scsi_for_each_sg(scsicmd, sg, nseg, i) {
+ int count = sg_dma_len(sg);
+ addr = sg_dma_address(sg);
+ psg->sg[i].addr[0] = cpu_to_le32(addr & 0xffffffff);
+ psg->sg[i].addr[1] = cpu_to_le32(addr>>32);
+ psg->sg[i].count = cpu_to_le32(count);
+ byte_count += count;
+ }
+ psg->count = cpu_to_le32(nseg);
+ /* hba wants the size to be exact */
+ if (byte_count > scsi_bufflen(scsicmd)) {
+ u32 temp = le32_to_cpu(psg->sg[i-1].count) -
+ (byte_count - scsi_bufflen(scsicmd));
+ psg->sg[i-1].count = cpu_to_le32(temp);
+ byte_count = scsi_bufflen(scsicmd);
+ }
+ /* Check for command underflow */
+ if(scsicmd->underflow && (byte_count < scsicmd->underflow)){
+ printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
+ byte_count, scsicmd->underflow);
+ }
+ }
+ return byte_count;
+}
+
+static long aac_build_sgraw(struct scsi_cmnd *scsicmd, struct sgmapraw *psg)
+{
+ unsigned long byte_count = 0;
+ int nseg;
+
+ // Get rid of old data
+ psg->count = 0;
+ psg->sg[0].next = 0;
+ psg->sg[0].prev = 0;
+ psg->sg[0].addr[0] = 0;
+ psg->sg[0].addr[1] = 0;
+ psg->sg[0].count = 0;
+ psg->sg[0].flags = 0;
+
+ nseg = scsi_dma_map(scsicmd);
+ if (nseg < 0)
+ return nseg;
+ if (nseg) {
+ struct scatterlist *sg;
+ int i;
+
+ scsi_for_each_sg(scsicmd, sg, nseg, i) {
+ int count = sg_dma_len(sg);
+ u64 addr = sg_dma_address(sg);
+ psg->sg[i].next = 0;
+ psg->sg[i].prev = 0;
+ psg->sg[i].addr[1] = cpu_to_le32((u32)(addr>>32));
+ psg->sg[i].addr[0] = cpu_to_le32((u32)(addr & 0xffffffff));
+ psg->sg[i].count = cpu_to_le32(count);
+ psg->sg[i].flags = 0;
+ byte_count += count;
+ }
+ psg->count = cpu_to_le32(nseg);
+ /* hba wants the size to be exact */
+ if (byte_count > scsi_bufflen(scsicmd)) {
+ u32 temp = le32_to_cpu(psg->sg[i-1].count) -
+ (byte_count - scsi_bufflen(scsicmd));
+ psg->sg[i-1].count = cpu_to_le32(temp);
+ byte_count = scsi_bufflen(scsicmd);
+ }
+ /* Check for command underflow */
+ if(scsicmd->underflow && (byte_count < scsicmd->underflow)){
+ printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
+ byte_count, scsicmd->underflow);
+ }
+ }
+ return byte_count;
+}
+
+static long aac_build_sgraw2(struct scsi_cmnd *scsicmd,
+ struct aac_raw_io2 *rio2, int sg_max)
+{
+ unsigned long byte_count = 0;
+ int nseg;
+
+ nseg = scsi_dma_map(scsicmd);
+ if (nseg < 0)
+ return nseg;
+ if (nseg) {
+ struct scatterlist *sg;
+ int i, conformable = 0;
+ u32 min_size = PAGE_SIZE, cur_size;
+
+ scsi_for_each_sg(scsicmd, sg, nseg, i) {
+ int count = sg_dma_len(sg);
+ u64 addr = sg_dma_address(sg);
+
+ BUG_ON(i >= sg_max);
+ rio2->sge[i].addrHigh = cpu_to_le32((u32)(addr>>32));
+ rio2->sge[i].addrLow = cpu_to_le32((u32)(addr & 0xffffffff));
+ cur_size = cpu_to_le32(count);
+ rio2->sge[i].length = cur_size;
+ rio2->sge[i].flags = 0;
+ if (i == 0) {
+ conformable = 1;
+ rio2->sgeFirstSize = cur_size;
+ } else if (i == 1) {
+ rio2->sgeNominalSize = cur_size;
+ min_size = cur_size;
+ } else if ((i+1) < nseg && cur_size != rio2->sgeNominalSize) {
+ conformable = 0;
+ if (cur_size < min_size)
+ min_size = cur_size;
+ }
+ byte_count += count;
+ }
+
+ /* hba wants the size to be exact */
+ if (byte_count > scsi_bufflen(scsicmd)) {
+ u32 temp = le32_to_cpu(rio2->sge[i-1].length) -
+ (byte_count - scsi_bufflen(scsicmd));
+ rio2->sge[i-1].length = cpu_to_le32(temp);
+ byte_count = scsi_bufflen(scsicmd);
+ }
+
+ rio2->sgeCnt = cpu_to_le32(nseg);
+ rio2->flags |= cpu_to_le16(RIO2_SG_FORMAT_IEEE1212);
+ /* not conformable: evaluate required sg elements */
+ if (!conformable) {
+ int j, nseg_new = nseg, err_found;
+ for (i = min_size / PAGE_SIZE; i >= 1; --i) {
+ err_found = 0;
+ nseg_new = 2;
+ for (j = 1; j < nseg - 1; ++j) {
+ if (rio2->sge[j].length % (i*PAGE_SIZE)) {
+ err_found = 1;
+ break;
+ }
+ nseg_new += (rio2->sge[j].length / (i*PAGE_SIZE));
+ }
+ if (!err_found)
+ break;
+ }
+ if (i > 0 && nseg_new <= sg_max)
+ aac_convert_sgraw2(rio2, i, nseg, nseg_new);
+ } else
+ rio2->flags |= cpu_to_le16(RIO2_SGL_CONFORMANT);
+
+ /* Check for command underflow */
+ if (scsicmd->underflow && (byte_count < scsicmd->underflow)) {
+ printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
+ byte_count, scsicmd->underflow);
+ }
+ }
+
+ return byte_count;
+}
+
+static int aac_convert_sgraw2(struct aac_raw_io2 *rio2, int pages, int nseg, int nseg_new)
+{
+ struct sge_ieee1212 *sge;
+ int i, j, pos;
+ u32 addr_low;
+
+ if (aac_convert_sgl == 0)
+ return 0;
+
+ sge = kmalloc(nseg_new * sizeof(struct sge_ieee1212), GFP_ATOMIC);
+ if (sge == NULL)
+ return -1;
+
+ for (i = 1, pos = 1; i < nseg-1; ++i) {
+ for (j = 0; j < rio2->sge[i].length / (pages * PAGE_SIZE); ++j) {
+ addr_low = rio2->sge[i].addrLow + j * pages * PAGE_SIZE;
+ sge[pos].addrLow = addr_low;
+ sge[pos].addrHigh = rio2->sge[i].addrHigh;
+ if (addr_low < rio2->sge[i].addrLow)
+ sge[pos].addrHigh++;
+ sge[pos].length = pages * PAGE_SIZE;
+ sge[pos].flags = 0;
+ pos++;
+ }
+ }
+ sge[pos] = rio2->sge[nseg-1];
+ memcpy(&rio2->sge[1], &sge[1], (nseg_new-1)*sizeof(struct sge_ieee1212));
+
+ kfree(sge);
+ rio2->sgeCnt = cpu_to_le32(nseg_new);
+ rio2->flags |= cpu_to_le16(RIO2_SGL_CONFORMANT);
+ rio2->sgeNominalSize = pages * PAGE_SIZE;
+ return 0;
+}
+
+#ifdef AAC_DETAILED_STATUS_INFO
+
+struct aac_srb_status_info {
+ u32 status;
+ char *str;
+};
+
+
+static struct aac_srb_status_info srb_status_info[] = {
+ { SRB_STATUS_PENDING, "Pending Status"},
+ { SRB_STATUS_SUCCESS, "Success"},
+ { SRB_STATUS_ABORTED, "Aborted Command"},
+ { SRB_STATUS_ABORT_FAILED, "Abort Failed"},
+ { SRB_STATUS_ERROR, "Error Event"},
+ { SRB_STATUS_BUSY, "Device Busy"},
+ { SRB_STATUS_INVALID_REQUEST, "Invalid Request"},
+ { SRB_STATUS_INVALID_PATH_ID, "Invalid Path ID"},
+ { SRB_STATUS_NO_DEVICE, "No Device"},
+ { SRB_STATUS_TIMEOUT, "Timeout"},
+ { SRB_STATUS_SELECTION_TIMEOUT, "Selection Timeout"},
+ { SRB_STATUS_COMMAND_TIMEOUT, "Command Timeout"},
+ { SRB_STATUS_MESSAGE_REJECTED, "Message Rejected"},
+ { SRB_STATUS_BUS_RESET, "Bus Reset"},
+ { SRB_STATUS_PARITY_ERROR, "Parity Error"},
+ { SRB_STATUS_REQUEST_SENSE_FAILED,"Request Sense Failed"},
+ { SRB_STATUS_NO_HBA, "No HBA"},
+ { SRB_STATUS_DATA_OVERRUN, "Data Overrun/Data Underrun"},
+ { SRB_STATUS_UNEXPECTED_BUS_FREE,"Unexpected Bus Free"},
+ { SRB_STATUS_PHASE_SEQUENCE_FAILURE,"Phase Error"},
+ { SRB_STATUS_BAD_SRB_BLOCK_LENGTH,"Bad Srb Block Length"},
+ { SRB_STATUS_REQUEST_FLUSHED, "Request Flushed"},
+ { SRB_STATUS_DELAYED_RETRY, "Delayed Retry"},
+ { SRB_STATUS_INVALID_LUN, "Invalid LUN"},
+ { SRB_STATUS_INVALID_TARGET_ID, "Invalid TARGET ID"},
+ { SRB_STATUS_BAD_FUNCTION, "Bad Function"},
+ { SRB_STATUS_ERROR_RECOVERY, "Error Recovery"},
+ { SRB_STATUS_NOT_STARTED, "Not Started"},
+ { SRB_STATUS_NOT_IN_USE, "Not In Use"},
+ { SRB_STATUS_FORCE_ABORT, "Force Abort"},
+ { SRB_STATUS_DOMAIN_VALIDATION_FAIL,"Domain Validation Failure"},
+ { 0xff, "Unknown Error"}
+};
+
+char *aac_get_status_string(u32 status)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(srb_status_info); i++)
+ if (srb_status_info[i].status == status)
+ return srb_status_info[i].str;
+
+ return "Bad Status Code";
+}
+
+#endif
Code Review / kvmfornfv.git / blobdiff