| // 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/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 void aac_probe_container_scsi_done(struct scsi_cmnd *scsi_cmnd); |
| 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 */ |
| static 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 its 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."); |
| |
| static 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."); |
| |
| static 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)) { |
| dprintk((KERN_WARNING "aac_valid_context: scsi command corrupt\n")); |
| aac_fib_complete(fibptr); |
| return 0; |
| } |
| aac_priv(scsicmd)->owner = 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 |
| * @dev: aac driver data |
| * @commit_flag: force sending CT_COMMIT_CONFIG |
| * |
| * 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 |
| * @dev: aac driver data |
| * |
| * 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 aac_scsi_done(struct scsi_cmnd *scmd) |
| { |
| if (scmd->device->request_queue) { |
| /* SCSI command has been submitted by the SCSI mid-layer. */ |
| scsi_done(scmd); |
| } else { |
| /* SCSI command has been submitted by aac_probe_container(). */ |
| aac_probe_container_scsi_done(scmd); |
| } |
| } |
| |
| 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 = sizeof_field(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 | SAM_STAT_GOOD; |
| |
| aac_fib_complete(fibptr); |
| aac_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 = sizeof_field(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); |
| aac_priv(scsicmd)->owner = 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; |
| aac_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 = context; |
| struct aac_cmd_priv *cmd_priv = aac_priv(scsicmd); |
| int i; |
| |
| |
| if (!aac_valid_context(scsicmd, fibptr)) |
| return; |
| |
| cmd_priv->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; |
| cmd_priv->status = le32_to_cpu(dresp->count); |
| } |
| aac_fib_complete(fibptr); |
| aac_fib_free(fibptr); |
| callback = cmd_priv->callback; |
| cmd_priv->callback = 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); |
| aac_priv(scsicmd)->owner = 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 aac_cmd_priv *cmd_priv = aac_priv(scsicmd); |
| 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); |
| cmd_priv->callback = callback; |
| cmd_priv->owner = 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) { |
| cmd_priv->callback = 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_callback1 - query a logical volume |
| * @scsicmd: the scsi command block |
| * |
| * 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; |
| } |
| |
| static void aac_probe_container_scsi_done(struct scsi_cmnd *scsi_cmnd) |
| { |
| aac_probe_container_callback1(scsi_cmnd); |
| } |
| |
| int aac_probe_container(struct aac_dev *dev, int cid) |
| { |
| struct aac_cmd_priv *cmd_priv; |
| struct scsi_cmnd *scsicmd = kzalloc(sizeof(*scsicmd) + sizeof(*cmd_priv), GFP_KERNEL); |
| struct scsi_device *scsidev = kzalloc(sizeof(*scsidev), GFP_KERNEL); |
| int status; |
| |
| if (!scsicmd || !scsidev) { |
| kfree(scsicmd); |
| kfree(scsidev); |
| return -ENOMEM; |
| } |
| |
| 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); |
| cmd_priv = aac_priv(scsicmd); |
| status = cmd_priv->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 */ |
| }; |
| |
| /** |
| * inqstrcpy - 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 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 | SAM_STAT_GOOD; |
| |
| aac_fib_complete(fibptr); |
| aac_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)); |
| aac_priv(scsicmd)->owner = 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 | 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_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 = struct_size(readcmd2, sge, |
| le32_to_cpu(readcmd2->sgeCnt)); |
| } 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 = struct_size(writecmd2, sge, |
| le32_to_cpu(writecmd2->sgeCnt)); |
| } 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; |
| struct aac_dev *dev = fib->dev; |
| |
| 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 = scsi_cmd_to_rq(cmd)->timeout / HZ; |
| if (timeout == 0) |
| timeout = (dev->sa_firmware ? AAC_SA_TIMEOUT : AAC_ARC_TIMEOUT); |
| 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 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 |
| * |
| * 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 (!dma_set_mask(&dev->pdev->dev, DMA_BIT_MASK(64))) { |
| if (!dev->in_reset) |
| dev_info(&dev->pdev->dev, "64 Bit DAC enabled\n"); |
| } else if (!dma_set_mask(&dev->pdev->dev, 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 | SAM_STAT_GOOD; |
| dev->fsa_dev[cid].sense_data.sense_key = NO_SENSE; |
| break; |
| case ST_NOT_READY: |
| scsicmd->result = DID_OK << 16 | 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 | 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 | SAM_STAT_CHECK_CONDITION; |
| set_sense(&dev->fsa_dev[cid].sense_data, |
| HARDWARE_ERROR, SENCODE_INTERNAL_TARGET_FAILURE, |
| ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0); |
| memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data, |
| min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data), |
| SCSI_SENSE_BUFFERSIZE)); |
| break; |
| } |
| aac_fib_complete(fibptr); |
| |
| aac_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 | SAM_STAT_CHECK_CONDITION; |
| set_sense(&dev->fsa_dev[cid].sense_data, |
| ILLEGAL_REQUEST, SENCODE_LBA_OUT_OF_RANGE, |
| 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)); |
| aac_scsi_done(scsicmd); |
| return 0; |
| } |
| |
| 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); |
| aac_priv(scsicmd)->owner = 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 | SAM_STAT_TASK_SET_FULL; |
| aac_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 | SAM_STAT_CHECK_CONDITION; |
| set_sense(&dev->fsa_dev[cid].sense_data, |
| ILLEGAL_REQUEST, SENCODE_LBA_OUT_OF_RANGE, |
| 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)); |
| aac_scsi_done(scsicmd); |
| return 0; |
| } |
| |
| 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); |
| aac_priv(scsicmd)->owner = 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 | SAM_STAT_TASK_SET_FULL; |
| aac_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 = 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 | 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 | 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); |
| aac_scsi_done(cmd); |
| } |
| |
| static int aac_synchronize(struct scsi_cmnd *scsicmd) |
| { |
| int status; |
| struct fib *cmd_fibcontext; |
| struct aac_synchronize *synchronizecmd; |
| struct scsi_device *sdev = scsicmd->device; |
| struct aac_dev *aac; |
| |
| aac = (struct aac_dev *)sdev->host->hostdata; |
| 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); |
| |
| 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)); |
| aac_priv(scsicmd)->owner = 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 | SAM_STAT_GOOD; |
| |
| aac_fib_complete(fibptr); |
| aac_fib_free(fibptr); |
| aac_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 | SAM_STAT_GOOD; |
| aac_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; |
| aac_priv(scsicmd)->owner = 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; |
| fallthrough; |
| 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 | 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 | SAM_STAT_GOOD; |
| break; |
| } |
| /* Issue FIB to tell Firmware to flush it's cache */ |
| if ((aac_cache & 6) != 2) |
| return aac_synchronize(scsicmd); |
| fallthrough; |
| 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 | 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 | 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 | SAM_STAT_GOOD; |
| } else { |
| /* vpd page not implemented */ |
| scsicmd->result = DID_OK << 16 | 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 | 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 | 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 | 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 | 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 | 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 | 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 | 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 | 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; |
| } |
| fallthrough; |
| case RESERVE: |
| case RELEASE: |
| case REZERO_UNIT: |
| case REASSIGN_BLOCKS: |
| case SEEK_10: |
| scsicmd->result = DID_OK << 16 | SAM_STAT_GOOD; |
| break; |
| |
| case START_STOP: |
| return aac_start_stop(scsicmd); |
| |
| default: |
| /* |
| * Unhandled commands |
| */ |
| dprintk((KERN_WARNING "Unhandled SCSI Command: 0x%x.\n", |
| scsicmd->cmnd[0])); |
| scsicmd->result = DID_OK << 16 | 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: |
| |
| aac_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 | 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; |
| 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; |
| break; |
| case INQUIRY: |
| scsicmd->result = DID_OK << 16; |
| break; |
| default: |
| scsicmd->result = DID_OK << 16; |
| break; |
| } |
| break; |
| case SRB_STATUS_ABORTED: |
| scsicmd->result = DID_ABORT << 16; |
| 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; |
| break; |
| case SRB_STATUS_PARITY_ERROR: |
| scsicmd->result = DID_PARITY << 16; |
| 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; |
| break; |
| |
| case SRB_STATUS_COMMAND_TIMEOUT: |
| case SRB_STATUS_TIMEOUT: |
| scsicmd->result = DID_TIME_OUT << 16; |
| break; |
| |
| case SRB_STATUS_BUSY: |
| scsicmd->result = DID_BUS_BUSY << 16; |
| break; |
| |
| case SRB_STATUS_BUS_RESET: |
| scsicmd->result = DID_RESET << 16; |
| break; |
| |
| case SRB_STATUS_MESSAGE_REJECTED: |
| scsicmd->result = DID_ERROR << 16; |
| 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; |
| } else { |
| scsicmd->result = DID_ERROR << 16; |
| } |
| } else { |
| scsicmd->result = DID_ERROR << 16; |
| } |
| 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); |
| aac_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; |
| 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; |
| break; |
| } |
| case SAM_STAT_BUSY: |
| scsicmd->result |= DID_BUS_BUSY << 16; |
| break; |
| case SAM_STAT_TASK_ABORTED: |
| scsicmd->result |= DID_ABORT << 16; |
| break; |
| case SAM_STAT_RESERVATION_CONFLICT: |
| case SAM_STAT_TASK_SET_FULL: |
| default: |
| scsicmd->result |= DID_ERROR << 16; |
| 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; |
| break; |
| } |
| case HBA_RESP_STAT_IO_ERROR: |
| case HBA_RESP_STAT_NO_PATH_TO_DEVICE: |
| scsicmd->result = DID_OK << 16 | SAM_STAT_BUSY; |
| break; |
| case HBA_RESP_STAT_IO_ABORTED: |
| scsicmd->result = DID_ABORT << 16; |
| break; |
| case HBA_RESP_STAT_INVALID_DEVICE: |
| scsicmd->result = DID_NO_CONNECT << 16; |
| break; |
| case HBA_RESP_STAT_UNDERRUN: |
| /* UNDERRUN is OK */ |
| scsicmd->result = DID_OK << 16; |
| break; |
| case HBA_RESP_STAT_OVERRUN: |
| default: |
| scsicmd->result = DID_ERROR << 16; |
| 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; |
| 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; |
| break; |
| case HBA_RESP_SVCRES_TMF_LUN_INVALID: |
| scsicmd->result = DID_NO_CONNECT << 16; |
| break; |
| case HBA_RESP_SVCRES_TMF_COMPLETE: |
| case HBA_RESP_SVCRES_TMF_SUCCEEDED: |
| scsicmd->result = DID_OK << 16; |
| break; |
| default: |
| scsicmd->result = DID_ERROR << 16; |
| break; |
| } |
| |
| out: |
| aac_fib_complete(fibptr); |
| |
| if (fibptr->flags & FIB_CONTEXT_FLAG_NATIVE_HBA_TMF) |
| aac_priv(scsicmd)->sent_command = 1; |
| else |
| aac_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; |
| aac_scsi_done(scsicmd); |
| return 0; |
| } |
| |
| /* |
| * Allocate and initialize a Fib then setup a BlockWrite command |
| */ |
| cmd_fibcontext = aac_fib_alloc_tag(dev, scsicmd); |
| aac_priv(scsicmd)->owner = 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; |
| aac_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; |
| |
| aac_priv(scsicmd)->owner = 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(*sge), 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 |
