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4222 4223 4224 4225 4226 4227 4228 4229 4230 4231 4232 4233 4234 4235 4236 4237 4238 4239 4240 4241 4242 4243 4244 4245 4246 4247 4248 4249 4250 4251 4252 4253 4254 4255 4256 4257 4258 4259 4260 4261 4262 4263 4264 4265 4266 4267 4268 4269 4270 4271 4272 4273 4274 4275 4276 4277 4278 | // SPDX-License-Identifier: GPL-2.0-or-later /* * 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. * 2010-2015 PMC-Sierra, Inc. (aacraid@pmc-sierra.com) * 2016-2017 Microsemi Corp. (aacraid@microsemi.com) * * Module Name: * aachba.c * * Abstract: Contains Interfaces to manage IOs. */ #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 <linux/uaccess.h> #include <linux/highmem.h> /* For flush_kernel_dcache_page */ #include <linux/module.h> #include <asm/unaligned.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_UNRECOVERED_READ_ERROR 0x11 #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 */ struct tvpd_id_descriptor_type_1 { u8 codeset:4; /* VPD_CODE_SET */ u8 reserved:4; u8 identifiertype:4; /* VPD_IDENTIFIER_TYPE */ u8 reserved2:4; u8 reserved3; u8 identifierlength; u8 venid[8]; u8 productid[16]; u8 serialnumber[8]; /* SN in ASCII */ }; struct tvpd_id_descriptor_type_2 { 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 venid[3]; } eu64id; }; struct tvpd_id_descriptor_type_3 { u8 codeset : 4; /* VPD_CODE_SET */ u8 reserved : 4; u8 identifiertype : 4; /* VPD_IDENTIFIER_TYPE */ u8 reserved2 : 4; u8 reserved3; u8 identifierlength; u8 Identifier[16]; }; struct tvpd_page83 { u8 DeviceType:5; u8 DeviceTypeQualifier:3; u8 PageCode; u8 reserved; u8 PageLength; struct tvpd_id_descriptor_type_1 type1; struct tvpd_id_descriptor_type_2 type2; struct tvpd_id_descriptor_type_3 type3; }; /* * 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 long aac_build_sghba(struct scsi_cmnd *scsicmd, struct aac_hba_cmd_req *hbacmd, int sg_max, u64 sg_address); 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); static int aac_send_hba_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)"); 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 aac_fib_dump; module_param(aac_fib_dump, int, 0644); MODULE_PARM_DESC(aac_fib_dump, "Dump controller fibs prior to IOP_RESET 0=off, 1=on"); 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 = 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); return 0; } scsicmd->SCp.phase = AAC_OWNER_MIDLEVEL; device = scsicmd->device; if (unlikely(!device)) { dprintk((KERN_WARNING "aac_valid_context: scsi device corrupt\n")); aac_fib_complete(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.supported_options2 & 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; if (dev->fsa_dev == NULL || dev->maximum_num_containers != maximum_num_containers) { fsa_dev_ptr = dev->fsa_dev; dev->fsa_dev = kcalloc(maximum_num_containers, sizeof(*fsa_dev_ptr), GFP_KERNEL); kfree(fsa_dev_ptr); fsa_dev_ptr = NULL; if (!dev->fsa_dev) return -ENOMEM; dev->maximum_num_containers = maximum_num_containers; } for (index = 0; index < dev->maximum_num_containers; index++) { dev->fsa_dev[index].devname[0] = '\0'; dev->fsa_dev[index].valid = 0; status = aac_probe_container(dev, index); if (status < 0) { printk(KERN_WARNING "aac_get_containers: SendFIB failed.\n"); 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; int data_size = FIELD_SIZEOF(struct aac_get_name_resp, data); sp[data_size - 1] = '\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); 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; int data_size; struct aac_get_name *dinfo; struct fib * cmd_fibcontext; struct aac_dev * dev; dev = (struct aac_dev *)scsicmd->device->host->hostdata; data_size = FIELD_SIZEOF(struct aac_get_name_resp, data); cmd_fibcontext = aac_fib_alloc_tag(dev, scsicmd); aac_fib_init(cmd_fibcontext); dinfo = (struct aac_get_name *) fib_data(cmd_fibcontext); scsicmd->SCp.phase = AAC_OWNER_FIRMWARE; 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(data_size - 1); status = aac_fib_send(ContainerCommand, cmd_fibcontext, sizeof(struct aac_get_name_resp), FsaNormal, 0, 1, (fib_callback)get_container_name_callback, (void *) scsicmd); /* * Check that the command queued to the controller */ if (status == -EINPROGRESS) return 0; printk(KERN_WARNING "aac_get_container_name: aac_fib_send failed with status: %d.\n", status); aac_fib_complete(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; int i; 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); __le32 sup_options2; fsa_dev_ptr += scmd_id(scsicmd); sup_options2 = fibptr->dev->supplement_adapter_info.supported_options2; 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 (!(sup_options2 & 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); } for (i = 0; i < 16; i++) fsa_dev_ptr->identifier[i] = dresp->mnt[0].fileinfo.bdevinfo .identifier[i]; 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 (!aac_supports_2T(fibptr->dev)) { 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.supported_options2 & 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); scsicmd->SCp.phase = AAC_OWNER_FIRMWARE; 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 < 0 && status != -EINPROGRESS) { /* 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.supported_options2 & 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; scsicmd->SCp.phase = AAC_OWNER_FIRMWARE; 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) 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; struct aac_supplement_adapter_info *sup_adap_info; sup_adap_info = &dev->supplement_adapter_info; str = (struct scsi_inq *)(data); /* cast data to scsi inq block */ memset(str, ' ', sizeof(*str)); if (sup_adap_info->adapter_type_text[0]) { int c; char *cp; char *cname = kmemdup(sup_adap_info->adapter_type_text, sizeof(sup_adap_info->adapter_type_text), GFP_ATOMIC); if (!cname) return; cp = cname; 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(cname, str->vid); *cp = c; while (*cp && *cp != ' ') ++cp; } while (*cp == ' ') ++cp; /* last six chars reserved for vol type */ if (strlen(cp) > sizeof(str->pid)) cp[sizeof(str->pid)] = '\0'; inqstrcpy (cp, str->pid); kfree(cname); } 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 build_vpd83_type3(struct tvpd_page83 *vpdpage83data, struct aac_dev *dev, struct scsi_cmnd *scsicmd) { int container; vpdpage83data->type3.codeset = 1; vpdpage83data->type3.identifiertype = 3; vpdpage83data->type3.identifierlength = sizeof(vpdpage83data->type3) - 4; for (container = 0; container < dev->maximum_num_containers; container++) { if (scmd_id(scsicmd) == container) { memcpy(vpdpage83data->type3.Identifier, dev->fsa_dev[container].identifier, 16); break; } } } 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 */ struct aac_dev *dev; int i; struct tvpd_page83 vpdpage83data; dev = (struct aac_dev *)scsicmd->device->host->hostdata; 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.type1) + sizeof(vpdpage83data.type2); /* VPD 83 Type 3 is not supported for ARC */ if (dev->sa_firmware) vpdpage83data.PageLength += sizeof(vpdpage83data.type3); /* T10 Vendor Identifier Field Format */ /* VpdcodesetAscii */ vpdpage83data.type1.codeset = 2; /* VpdIdentifierTypeVendorId */ vpdpage83data.type1.identifiertype = 1; vpdpage83data.type1.identifierlength = sizeof(vpdpage83data.type1) - 4; /* "ADAPTEC " for adaptec */ memcpy(vpdpage83data.type1.venid, "ADAPTEC ", sizeof(vpdpage83data.type1.venid)); memcpy(vpdpage83data.type1.productid, "ARRAY ", sizeof( vpdpage83data.type1.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.type1.serialnumber[i] = 'A' + (temp - 0xA); } else { vpdpage83data.type1.serialnumber[i] = '0' + temp; } } /* VpdCodeSetBinary */ vpdpage83data.type2.codeset = 1; /* VpdidentifiertypeEUI64 */ vpdpage83data.type2.identifiertype = 2; vpdpage83data.type2.identifierlength = sizeof(vpdpage83data.type2) - 4; vpdpage83data.type2.eu64id.venid[0] = 0xD0; vpdpage83data.type2.eu64id.venid[1] = 0; vpdpage83data.type2.eu64id.venid[2] = 0; vpdpage83data.type2.eu64id.Serial = get_serial_reply->uid; vpdpage83data.type2.eu64id.reserved = 0; /* * VpdIdentifierTypeFCPHName * VPD 0x83 Type 3 not supported for ARC */ if (dev->sa_firmware) { build_vpd83_type3(&vpdpage83data, dev, scsicmd); } /* 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); 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; cmd_fibcontext = aac_fib_alloc_tag(dev, scsicmd); 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)); scsicmd->SCp.phase = AAC_OWNER_FIRMWARE; status = aac_fib_send(ContainerCommand, cmd_fibcontext, sizeof(struct aac_get_serial_resp), FsaNormal, 0, 1, (fib_callback) get_container_serial_callback, (void *) scsicmd); /* * Check that the command queued to the controller */ if (status == -EINPROGRESS) return 0; printk(KERN_WARNING "aac_get_container_serial: aac_fib_send failed with status: %d.\n", status); aac_fib_complete(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->comm_interface == AAC_COMM_MESSAGE_TYPE3) && !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->comm_interface == AAC_COMM_MESSAGE_TYPE3) && !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 struct aac_hba_cmd_req *aac_construct_hbacmd(struct fib *fib, struct scsi_cmnd *cmd) { struct aac_hba_cmd_req *hbacmd; struct aac_dev *dev; int bus, target; u64 address; dev = (struct aac_dev *)cmd->device->host->hostdata; hbacmd = (struct aac_hba_cmd_req *)fib->hw_fib_va; memset(hbacmd, 0, 96); /* sizeof(*hbacmd) is not necessary */ /* iu_type is a parameter of aac_hba_send */ switch (cmd->sc_data_direction) { case DMA_TO_DEVICE: hbacmd->byte1 = 2; break; case DMA_FROM_DEVICE: case DMA_BIDIRECTIONAL: hbacmd->byte1 = 1; break; case DMA_NONE: default: break; } hbacmd->lun[1] = cpu_to_le32(cmd->device->lun); bus = aac_logical_to_phys(scmd_channel(cmd)); target = scmd_id(cmd); hbacmd->it_nexus = dev->hba_map[bus][target].rmw_nexus; /* we fill in reply_qid later in aac_src_deliver_message */ /* we fill in iu_type, request_id later in aac_hba_send */ /* we fill in emb_data_desc_count later in aac_build_sghba */ memcpy(hbacmd->cdb, cmd->cmnd, cmd->cmd_len); hbacmd->data_length = cpu_to_le32(scsi_bufflen(cmd)); address = (u64)fib->hw_error_pa; hbacmd->error_ptr_hi = cpu_to_le32((u32)(address >> 32)); hbacmd->error_ptr_lo = cpu_to_le32((u32)(address & 0xffffffff)); hbacmd->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE); return hbacmd; } 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); } static int aac_adapter_hba(struct fib *fib, struct scsi_cmnd *cmd) { struct aac_hba_cmd_req *hbacmd = aac_construct_hbacmd(fib, cmd); struct aac_dev *dev; long ret; dev = (struct aac_dev *)cmd->device->host->hostdata; ret = aac_build_sghba(cmd, hbacmd, dev->scsi_host_ptr->sg_tablesize, (u64)fib->hw_sgl_pa); if (ret < 0) return ret; /* * Now send the HBA command to the adapter */ fib->hbacmd_size = 64 + le32_to_cpu(hbacmd->emb_data_desc_count) * sizeof(struct aac_hba_sgl); return aac_hba_send(HBA_IU_TYPE_SCSI_CMD_REQ, fib, (fib_callback) aac_hba_callback, (void *) cmd); } static int aac_send_safw_bmic_cmd(struct aac_dev *dev, struct aac_srb_unit *srbu, void *xfer_buf, int xfer_len) { struct fib *fibptr; dma_addr_t addr; int rcode; int fibsize; struct aac_srb *srb; struct aac_srb_reply *srb_reply; struct sgmap64 *sg64; u32 vbus; u32 vid; if (!dev->sa_firmware) return 0; /* allocate FIB */ fibptr = aac_fib_alloc(dev); if (!fibptr) return -ENOMEM; aac_fib_init(fibptr); fibptr->hw_fib_va->header.XferState &= ~cpu_to_le32(FastResponseCapable); fibsize = sizeof(struct aac_srb) - sizeof(struct sgentry) + sizeof(struct sgentry64); /* allocate DMA buffer for response */ addr = dma_map_single(&dev->pdev->dev, xfer_buf, xfer_len, DMA_BIDIRECTIONAL); if (dma_mapping_error(&dev->pdev->dev, addr)) { rcode = -ENOMEM; goto fib_error; } srb = fib_data(fibptr); memcpy(srb, &srbu->srb, sizeof(struct aac_srb)); vbus = (u32)le16_to_cpu( dev->supplement_adapter_info.virt_device_bus); vid = (u32)le16_to_cpu( dev->supplement_adapter_info.virt_device_target); /* set the common request fields */ srb->channel = cpu_to_le32(vbus); srb->id = cpu_to_le32(vid); srb->lun = 0; srb->function = cpu_to_le32(SRBF_ExecuteScsi); srb->timeout = 0; srb->retry_limit = 0; srb->cdb_size = cpu_to_le32(16); srb->count = cpu_to_le32(xfer_len); sg64 = (struct sgmap64 *)&srb->sg; sg64->count = cpu_to_le32(1); sg64->sg[0].addr[1] = cpu_to_le32(upper_32_bits(addr)); sg64->sg[0].addr[0] = cpu_to_le32(lower_32_bits(addr)); sg64->sg[0].count = cpu_to_le32(xfer_len); /* * Copy the updated data for other dumping or other usage if needed */ memcpy(&srbu->srb, srb, sizeof(struct aac_srb)); /* issue request to the controller */ rcode = aac_fib_send(ScsiPortCommand64, fibptr, fibsize, FsaNormal, 1, 1, NULL, NULL); if (rcode == -ERESTARTSYS) rcode = -ERESTART; if (unlikely(rcode < 0)) goto bmic_error; srb_reply = (struct aac_srb_reply *)fib_data(fibptr); memcpy(&srbu->srb_reply, srb_reply, sizeof(struct aac_srb_reply)); bmic_error: dma_unmap_single(&dev->pdev->dev, addr, xfer_len, DMA_BIDIRECTIONAL); fib_error: aac_fib_complete(fibptr); aac_fib_free(fibptr); return rcode; } static void aac_set_safw_target_qd(struct aac_dev *dev, int bus, int target) { struct aac_ciss_identify_pd *identify_resp; if (dev->hba_map[bus][target].devtype != AAC_DEVTYPE_NATIVE_RAW) return; identify_resp = dev->hba_map[bus][target].safw_identify_resp; if (identify_resp == NULL) { dev->hba_map[bus][target].qd_limit = 32; return; } if (identify_resp->current_queue_depth_limit <= 0 || identify_resp->current_queue_depth_limit > 255) dev->hba_map[bus][target].qd_limit = 32; else dev->hba_map[bus][target].qd_limit = identify_resp->current_queue_depth_limit; } static int aac_issue_safw_bmic_identify(struct aac_dev *dev, struct aac_ciss_identify_pd **identify_resp, u32 bus, u32 target) { int rcode = -ENOMEM; int datasize; struct aac_srb_unit srbu; struct aac_srb *srbcmd; struct aac_ciss_identify_pd *identify_reply; datasize = sizeof(struct aac_ciss_identify_pd); identify_reply = kmalloc(datasize, GFP_KERNEL); if (!identify_reply) goto out; memset(&srbu, 0, sizeof(struct aac_srb_unit)); srbcmd = &srbu.srb; srbcmd->flags = cpu_to_le32(SRB_DataIn); srbcmd->cdb[0] = 0x26; srbcmd->cdb[2] = (u8)((AAC_MAX_LUN + target) & 0x00FF); srbcmd->cdb[6] = CISS_IDENTIFY_PHYSICAL_DEVICE; rcode = aac_send_safw_bmic_cmd(dev, &srbu, identify_reply, datasize); if (unlikely(rcode < 0)) goto mem_free_all; *identify_resp = identify_reply; out: return rcode; mem_free_all: kfree(identify_reply); goto out; } static inline void aac_free_safw_ciss_luns(struct aac_dev *dev) { kfree(dev->safw_phys_luns); dev->safw_phys_luns = NULL; } /** * aac_get_safw_ciss_luns() Process topology change * @dev: aac_dev structure * * Execute a CISS REPORT PHYS LUNS and process the results into * the current hba_map. */ static int aac_get_safw_ciss_luns(struct aac_dev *dev) { int rcode = -ENOMEM; int datasize; struct aac_srb *srbcmd; struct aac_srb_unit srbu; struct aac_ciss_phys_luns_resp *phys_luns; datasize = sizeof(struct aac_ciss_phys_luns_resp) + (AAC_MAX_TARGETS - 1) * sizeof(struct _ciss_lun); phys_luns = kmalloc(datasize, GFP_KERNEL); if (phys_luns == NULL) goto out; memset(&srbu, 0, sizeof(struct aac_srb_unit)); srbcmd = &srbu.srb; srbcmd->flags = cpu_to_le32(SRB_DataIn); srbcmd->cdb[0] = CISS_REPORT_PHYSICAL_LUNS; srbcmd->cdb[1] = 2; /* extended reporting */ srbcmd->cdb[8] = (u8)(datasize >> 8); srbcmd->cdb[9] = (u8)(datasize); rcode = aac_send_safw_bmic_cmd(dev, &srbu, phys_luns, datasize); if (unlikely(rcode < 0)) goto mem_free_all; if (phys_luns->resp_flag != 2) { rcode = -ENOMSG; goto mem_free_all; } dev->safw_phys_luns = phys_luns; out: return rcode; mem_free_all: kfree(phys_luns); goto out; } static inline u32 aac_get_safw_phys_lun_count(struct aac_dev *dev) { return get_unaligned_be32(&dev->safw_phys_luns->list_length[0])/24; } static inline u32 aac_get_safw_phys_bus(struct aac_dev *dev, int lun) { return dev->safw_phys_luns->lun[lun].level2[1] & 0x3f; } static inline u32 aac_get_safw_phys_target(struct aac_dev *dev, int lun) { return dev->safw_phys_luns->lun[lun].level2[0]; } static inline u32 aac_get_safw_phys_expose_flag(struct aac_dev *dev, int lun) { return dev->safw_phys_luns->lun[lun].bus >> 6; } static inline u32 aac_get_safw_phys_attribs(struct aac_dev *dev, int lun) { return dev->safw_phys_luns->lun[lun].node_ident[9]; } static inline u32 aac_get_safw_phys_nexus(struct aac_dev *dev, int lun) { return *((u32 *)&dev->safw_phys_luns->lun[lun].node_ident[12]); } static inline u32 aac_get_safw_phys_device_type(struct aac_dev *dev, int lun) { return dev->safw_phys_luns->lun[lun].node_ident[8]; } static inline void aac_free_safw_identify_resp(struct aac_dev *dev, int bus, int target) { kfree(dev->hba_map[bus][target].safw_identify_resp); dev->hba_map[bus][target].safw_identify_resp = NULL; } static inline void aac_free_safw_all_identify_resp(struct aac_dev *dev, int lun_count) { int luns; int i; u32 bus; u32 target; luns = aac_get_safw_phys_lun_count(dev); if (luns < lun_count) lun_count = luns; else if (lun_count < 0) lun_count = luns; for (i = 0; i < lun_count; i++) { bus = aac_get_safw_phys_bus(dev, i); target = aac_get_safw_phys_target(dev, i); aac_free_safw_identify_resp(dev, bus, target); } } static int aac_get_safw_attr_all_targets(struct aac_dev *dev) { int i; int rcode = 0; u32 lun_count; u32 bus; u32 target; struct aac_ciss_identify_pd *identify_resp = NULL; lun_count = aac_get_safw_phys_lun_count(dev); for (i = 0; i < lun_count; ++i) { bus = aac_get_safw_phys_bus(dev, i); target = aac_get_safw_phys_target(dev, i); rcode = aac_issue_safw_bmic_identify(dev, &identify_resp, bus, target); if (unlikely(rcode < 0)) goto free_identify_resp; dev->hba_map[bus][target].safw_identify_resp = identify_resp; } out: return rcode; free_identify_resp: aac_free_safw_all_identify_resp(dev, i); goto out; } /** * aac_set_safw_attr_all_targets- update current hba map with data from FW * @dev: aac_dev structure * @phys_luns: FW information from report phys luns * @rescan: Indicates scan type * * Update our hba map with the information gathered from the FW */ static void aac_set_safw_attr_all_targets(struct aac_dev *dev) { /* ok and extended reporting */ u32 lun_count, nexus; u32 i, bus, target; u8 expose_flag, attribs; lun_count = aac_get_safw_phys_lun_count(dev); dev->scan_counter++; for (i = 0; i < lun_count; ++i) { bus = aac_get_safw_phys_bus(dev, i); target = aac_get_safw_phys_target(dev, i); expose_flag = aac_get_safw_phys_expose_flag(dev, i); attribs = aac_get_safw_phys_attribs(dev, i); nexus = aac_get_safw_phys_nexus(dev, i); if (bus >= AAC_MAX_BUSES || target >= AAC_MAX_TARGETS) continue; if (expose_flag != 0) { dev->hba_map[bus][target].devtype = AAC_DEVTYPE_RAID_MEMBER; continue; } if (nexus != 0 && (attribs & 8)) { dev->hba_map[bus][target].devtype = AAC_DEVTYPE_NATIVE_RAW; dev->hba_map[bus][target].rmw_nexus = nexus; } else dev->hba_map[bus][target].devtype = AAC_DEVTYPE_ARC_RAW; dev->hba_map[bus][target].scan_counter = dev->scan_counter; aac_set_safw_target_qd(dev, bus, target); } } static int aac_setup_safw_targets(struct aac_dev *dev) { int rcode = 0; rcode = aac_get_containers(dev); if (unlikely(rcode < 0)) goto out; rcode = aac_get_safw_ciss_luns(dev); if (unlikely(rcode < 0)) goto out; rcode = aac_get_safw_attr_all_targets(dev); if (unlikely(rcode < 0)) goto free_ciss_luns; aac_set_safw_attr_all_targets(dev); aac_free_safw_all_identify_resp(dev, -1); free_ciss_luns: aac_free_safw_ciss_luns(dev); out: return rcode; } int aac_setup_safw_adapter(struct aac_dev *dev) { return aac_setup_safw_targets(dev); } int aac_get_adapter_info(struct aac_dev* dev) { struct fib* fibptr; int rcode; u32 tmp, bus, target; 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)); dev->supplement_adapter_info.virt_device_bus = 0xffff; 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; } } /* reset all previous mapped devices (i.e. for init. after IOP_RESET) */ for (bus = 0; bus < AAC_MAX_BUSES; bus++) { for (target = 0; target < AAC_MAX_TARGETS; target++) { dev->hba_map[bus][target].devtype = 0; dev->hba_map[bus][target].qd_limit = 0; } } /* * 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.build_date), dev->supplement_adapter_info.build_date); 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.vpd_info.tsid[0]) { printk(KERN_INFO "%s%d: TSID %.*s\n", dev->name, dev->id, (int)sizeof(dev->supplement_adapter_info .vpd_info.tsid), dev->supplement_adapter_info.vpd_info.tsid); } if (!aac_check_reset || ((aac_check_reset == 1) && (dev->supplement_adapter_info.supported_options2 & 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.feature_bits & 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) { if (!pci_set_dma_mask(dev->pdev, DMA_BIT_MASK(64))) { if (!dev->in_reset) dev_info(&dev->pdev->dev, "64 Bit DAC enabled\n"); } else if (!pci_set_dma_mask(dev->pdev, DMA_BIT_MASK(32))) { dev_info(&dev->pdev->dev, "DMA mask set failed, 64 Bit DAC disabled\n"); dev->dac_support = 0; } else { dev_info(&dev->pdev->dev, "No suitable DMA available\n"); 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; } } if (!dev->sync_mode && dev->sa_firmware && dev->scsi_host_ptr->sg_tablesize > HBA_MAX_SG_SEPARATE) dev->scsi_host_ptr->sg_tablesize = dev->sg_tablesize = HBA_MAX_SG_SEPARATE; /* 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; case ST_MEDERR: scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION; set_sense(&dev->fsa_dev[cid].sense_data, MEDIUM_ERROR, SENCODE_UNRECOVERED_READ_ERROR, ASENCODE_NO_SENSE, 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); 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 */ cmd_fibcontext = aac_fib_alloc_tag(dev, scsicmd); scsicmd->SCp.phase = AAC_OWNER_FIRMWARE; status = aac_adapter_read(cmd_fibcontext, scsicmd, lba, count); /* * Check that the command queued to the controller */ if (status == -EINPROGRESS) 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 */ cmd_fibcontext = aac_fib_alloc_tag(dev, scsicmd); scsicmd->SCp.phase = AAC_OWNER_FIRMWARE; status = aac_adapter_write(cmd_fibcontext, scsicmd, lba, count, fua); /* * Check that the command queued to the controller */ if (status == -EINPROGRESS) 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)); scsicmd->SCp.phase = AAC_OWNER_FIRMWARE; /* * 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) 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.supported_options2 & 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_tag(aac, scsicmd); 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; scsicmd->SCp.phase = AAC_OWNER_FIRMWARE; /* * 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) 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, bus; 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; goto scsi_done_ret; } /* * 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; /* fall through */ 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 */ bus = aac_logical_to_phys(scmd_channel(scsicmd)); if (bus < AAC_MAX_BUSES && cid < AAC_MAX_TARGETS && dev->hba_map[bus][cid].devtype == AAC_DEVTYPE_NATIVE_RAW) { if (dev->in_reset) return -1; return aac_send_hba_fib(scsicmd); } else 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; goto scsi_done_ret; } } } /* * 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)); goto scsi_done_ret; } switch (scsicmd->cmnd[0]) { case READ_6: case READ_10: case READ_12: case READ_16: if (dev->in_reset) return -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; break; } /* Issue FIB to tell Firmware to flush it's cache */ if ((aac_cache & 6) != 2) return aac_synchronize(scsicmd); /* fall through */ 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)); } break; } 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; break; } 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; break; } 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; break; } 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; break; } 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; break; } 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; break; 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; break; /* * 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)); break; } /* fall through */ case RESERVE: case RELEASE: case REZERO_UNIT: case REASSIGN_BLOCKS: case SEEK_10: scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; break; case START_STOP: return aac_start_stop(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)); } scsi_done_ret: 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) { if (qd.id < 0 || qd.id >= dev->maximum_num_containers) return -EINVAL; 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, unsigned 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_srb_reply *srbreply; struct scsi_cmnd *scsicmd; scsicmd = (struct scsi_cmnd *) context; if (!aac_valid_context(scsicmd, fibptr)) return; BUG_ON(fibptr == NULL); 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; pr_warn("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) pr_warn("aacraid: SCSI CMD underflow\n"); else pr_warn("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 pr_info("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 /* * When the CC bit is SET by the host in ATA pass thru CDB, * driver is supposed to return DID_OK * * When the CC bit is RESET by the host, driver should * return DID_ERROR */ 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 pr_warn("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); scsicmd->scsi_done(scsicmd); } static void hba_resp_task_complete(struct aac_dev *dev, struct scsi_cmnd *scsicmd, struct aac_hba_resp *err) { scsicmd->result = err->status; /* set residual count */ scsi_set_resid(scsicmd, le32_to_cpu(err->residual_count)); switch (err->status) { case SAM_STAT_GOOD: scsicmd->result |= DID_OK << 16 | COMMAND_COMPLETE << 8; break; case SAM_STAT_CHECK_CONDITION: { int len; len = min_t(u8, err->sense_response_data_len, SCSI_SENSE_BUFFERSIZE); if (len) memcpy(scsicmd->sense_buffer, err->sense_response_buf, len); scsicmd->result |= DID_OK << 16 | COMMAND_COMPLETE << 8; break; } case SAM_STAT_BUSY: scsicmd->result |= DID_BUS_BUSY << 16 | COMMAND_COMPLETE << 8; break; case SAM_STAT_TASK_ABORTED: scsicmd->result |= DID_ABORT << 16 | ABORT << 8; break; case SAM_STAT_RESERVATION_CONFLICT: case SAM_STAT_TASK_SET_FULL: default: scsicmd->result |= DID_ERROR << 16 | COMMAND_COMPLETE << 8; break; } } static void hba_resp_task_failure(struct aac_dev *dev, struct scsi_cmnd *scsicmd, struct aac_hba_resp *err) { switch (err->status) { case HBA_RESP_STAT_HBAMODE_DISABLED: { u32 bus, cid; bus = aac_logical_to_phys(scmd_channel(scsicmd)); cid = scmd_id(scsicmd); if (dev->hba_map[bus][cid].devtype == AAC_DEVTYPE_NATIVE_RAW) { dev->hba_map[bus][cid].devtype = AAC_DEVTYPE_ARC_RAW; dev->hba_map[bus][cid].rmw_nexus = 0xffffffff; } scsicmd->result = DID_NO_CONNECT << 16 | COMMAND_COMPLETE << 8; break; } case HBA_RESP_STAT_IO_ERROR: case HBA_RESP_STAT_NO_PATH_TO_DEVICE: scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_BUSY; break; case HBA_RESP_STAT_IO_ABORTED: scsicmd->result = DID_ABORT << 16 | ABORT << 8; break; case HBA_RESP_STAT_INVALID_DEVICE: scsicmd->result = DID_NO_CONNECT << 16 | COMMAND_COMPLETE << 8; break; case HBA_RESP_STAT_UNDERRUN: /* UNDERRUN is OK */ scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8; break; case HBA_RESP_STAT_OVERRUN: default: scsicmd->result = DID_ERROR << 16 | COMMAND_COMPLETE << 8; break; } } /** * * aac_hba_callback * @context: the context set in the fib - here it is scsi cmd * @fibptr: pointer to the fib * * Handles the completion of a native HBA scsi command * */ void aac_hba_callback(void *context, struct fib *fibptr) { struct aac_dev *dev; struct scsi_cmnd *scsicmd; struct aac_hba_resp *err = &((struct aac_native_hba *)fibptr->hw_fib_va)->resp.err; scsicmd = (struct scsi_cmnd *) context; if (!aac_valid_context(scsicmd, fibptr)) return; WARN_ON(fibptr == NULL); dev = fibptr->dev; if (!(fibptr->flags & FIB_CONTEXT_FLAG_NATIVE_HBA_TMF)) scsi_dma_unmap(scsicmd); if (fibptr->flags & FIB_CONTEXT_FLAG_FASTRESP) { /* fast response */ scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8; goto out; } switch (err->service_response) { case HBA_RESP_SVCRES_TASK_COMPLETE: hba_resp_task_complete(dev, scsicmd, err); break; case HBA_RESP_SVCRES_FAILURE: hba_resp_task_failure(dev, scsicmd, err); break; case HBA_RESP_SVCRES_TMF_REJECTED: scsicmd->result = DID_ERROR << 16 | MESSAGE_REJECT << 8; break; case HBA_RESP_SVCRES_TMF_LUN_INVALID: scsicmd->result = DID_NO_CONNECT << 16 | COMMAND_COMPLETE << 8; break; case HBA_RESP_SVCRES_TMF_COMPLETE: case HBA_RESP_SVCRES_TMF_SUCCEEDED: scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8; break; default: scsicmd->result = DID_ERROR << 16 | COMMAND_COMPLETE << 8; break; } out: aac_fib_complete(fibptr); if (fibptr->flags & FIB_CONTEXT_FLAG_NATIVE_HBA_TMF) scsicmd->SCp.sent_command = 1; else scsicmd->scsi_done(scsicmd); } /** * * aac_send_srb_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 */ cmd_fibcontext = aac_fib_alloc_tag(dev, scsicmd); scsicmd->SCp.phase = AAC_OWNER_FIRMWARE; status = aac_adapter_scsi(cmd_fibcontext, scsicmd); /* * Check that the command queued to the controller */ if (status == -EINPROGRESS) 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; } /** * * aac_send_hba_fib * @scsicmd: the scsi command block * * This routine will form a FIB and fill in the aac_hba_cmd_req from the * scsicmd passed in. */ static int aac_send_hba_fib(struct scsi_cmnd *scsicmd) { struct fib *cmd_fibcontext; struct aac_dev *dev; int status; dev = shost_priv(scsicmd->device->host); if (scmd_id(scsicmd) >= dev->maximum_num_physicals || scsicmd->device->lun > AAC_MAX_LUN - 1) { scsicmd->result = DID_NO_CONNECT << 16; scsicmd->scsi_done(scsicmd); return 0; } /* * Allocate and initialize a Fib then setup a BlockWrite command */ cmd_fibcontext = aac_fib_alloc_tag(dev, scsicmd); if (!cmd_fibcontext) return -1; scsicmd->SCp.phase = AAC_OWNER_FIRMWARE; status = aac_adapter_hba(cmd_fibcontext, scsicmd); /* * Check that the command queued to the controller */ if (status == -EINPROGRESS) return 0; pr_warn("aac_hba_cmd_req: 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) { unsigned long byte_count = 0; int nseg; struct scatterlist *sg; int i; // 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; 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) { unsigned long byte_count = 0; u64 addr; int nseg; struct scatterlist *sg; int i; // 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; 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; struct scatterlist *sg; int i; // 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; 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; struct scatterlist *sg; int i, conformable = 0; u32 min_size = PAGE_SIZE, cur_size; nseg = scsi_dma_map(scsicmd); if (nseg <= 0) return nseg; 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) { int ret = aac_convert_sgraw2(rio2, i, nseg, nseg_new); if (ret < 0) return ret; } } 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_array(nseg_new, sizeof(struct sge_ieee1212), GFP_ATOMIC); if (sge == NULL) return -ENOMEM; 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; } static long aac_build_sghba(struct scsi_cmnd *scsicmd, struct aac_hba_cmd_req *hbacmd, int sg_max, u64 sg_address) { unsigned long byte_count = 0; int nseg; struct scatterlist *sg; int i; u32 cur_size; struct aac_hba_sgl *sge; nseg = scsi_dma_map(scsicmd); if (nseg <= 0) { byte_count = nseg; goto out; } if (nseg > HBA_MAX_SG_EMBEDDED) sge = &hbacmd->sge[2]; else sge = &hbacmd->sge[0]; scsi_for_each_sg(scsicmd, sg, nseg, i) { int count = sg_dma_len(sg); u64 addr = sg_dma_address(sg); WARN_ON(i >= sg_max); sge->addr_hi = cpu_to_le32((u32)(addr>>32)); sge->addr_lo = cpu_to_le32((u32)(addr & 0xffffffff)); cur_size = cpu_to_le32(count); sge->len = cur_size; sge->flags = 0; byte_count += count; sge++; } sge--; /* hba wants the size to be exact */ if (byte_count > scsi_bufflen(scsicmd)) { u32 temp; temp = le32_to_cpu(sge->len) - byte_count - scsi_bufflen(scsicmd); sge->len = cpu_to_le32(temp); byte_count = scsi_bufflen(scsicmd); } if (nseg <= HBA_MAX_SG_EMBEDDED) { hbacmd->emb_data_desc_count = cpu_to_le32(nseg); sge->flags = cpu_to_le32(0x40000000); } else { /* not embedded */ hbacmd->sge[0].flags = cpu_to_le32(0x80000000); hbacmd->emb_data_desc_count = (u8)cpu_to_le32(1); hbacmd->sge[0].addr_hi = (u32)cpu_to_le32(sg_address >> 32); hbacmd->sge[0].addr_lo = cpu_to_le32((u32)(sg_address & 0xffffffff)); } /* Check for command underflow */ if (scsicmd->underflow && (byte_count < scsicmd->underflow)) { pr_warn("aacraid: cmd len %08lX cmd underflow %08X\n", byte_count, scsicmd->underflow); } out: return byte_count; } #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 |