| /* |
| * Adaptec AAC series RAID controller driver |
| * (c) Copyright 2001 Red Hat Inc. <alan@redhat.com> |
| * |
| * based on the old aacraid driver that is.. |
| * Adaptec aacraid device driver for Linux. |
| * |
| * Copyright (c) 2000 Adaptec, Inc. (aacraid@adaptec.com) |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2, or (at your option) |
| * any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; see the file COPYING. If not, write to |
| * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. |
| * |
| */ |
| |
| #include <linux/kernel.h> |
| #include <linux/init.h> |
| #include <linux/types.h> |
| #include <linux/sched.h> |
| #include <linux/pci.h> |
| #include <linux/spinlock.h> |
| #include <linux/slab.h> |
| #include <linux/completion.h> |
| #include <linux/blkdev.h> |
| #include <asm/semaphore.h> |
| #include <asm/uaccess.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 */ |
| |
| #define MAX_FIB_DATA (sizeof(struct hw_fib) - sizeof(FIB_HEADER)) |
| |
| #define MAX_DRIVER_SG_SEGMENT_COUNT 17 |
| |
| /* |
| * Sense codes |
| */ |
| |
| #define SENCODE_NO_SENSE 0x00 |
| #define SENCODE_END_OF_DATA 0x00 |
| #define SENCODE_BECOMING_READY 0x04 |
| #define SENCODE_INIT_CMD_REQUIRED 0x04 |
| #define SENCODE_PARAM_LIST_LENGTH_ERROR 0x1A |
| #define SENCODE_INVALID_COMMAND 0x20 |
| #define SENCODE_LBA_OUT_OF_RANGE 0x21 |
| #define SENCODE_INVALID_CDB_FIELD 0x24 |
| #define SENCODE_LUN_NOT_SUPPORTED 0x25 |
| #define SENCODE_INVALID_PARAM_FIELD 0x26 |
| #define SENCODE_PARAM_NOT_SUPPORTED 0x26 |
| #define SENCODE_PARAM_VALUE_INVALID 0x26 |
| #define SENCODE_RESET_OCCURRED 0x29 |
| #define SENCODE_LUN_NOT_SELF_CONFIGURED_YET 0x3E |
| #define SENCODE_INQUIRY_DATA_CHANGED 0x3F |
| #define SENCODE_SAVING_PARAMS_NOT_SUPPORTED 0x39 |
| #define SENCODE_DIAGNOSTIC_FAILURE 0x40 |
| #define SENCODE_INTERNAL_TARGET_FAILURE 0x44 |
| #define SENCODE_INVALID_MESSAGE_ERROR 0x49 |
| #define SENCODE_LUN_FAILED_SELF_CONFIG 0x4c |
| #define SENCODE_OVERLAPPED_COMMAND 0x4E |
| |
| /* |
| * Additional sense codes |
| */ |
| |
| #define ASENCODE_NO_SENSE 0x00 |
| #define ASENCODE_END_OF_DATA 0x05 |
| #define ASENCODE_BECOMING_READY 0x01 |
| #define ASENCODE_INIT_CMD_REQUIRED 0x02 |
| #define ASENCODE_PARAM_LIST_LENGTH_ERROR 0x00 |
| #define ASENCODE_INVALID_COMMAND 0x00 |
| #define ASENCODE_LBA_OUT_OF_RANGE 0x00 |
| #define ASENCODE_INVALID_CDB_FIELD 0x00 |
| #define ASENCODE_LUN_NOT_SUPPORTED 0x00 |
| #define ASENCODE_INVALID_PARAM_FIELD 0x00 |
| #define ASENCODE_PARAM_NOT_SUPPORTED 0x01 |
| #define ASENCODE_PARAM_VALUE_INVALID 0x02 |
| #define ASENCODE_RESET_OCCURRED 0x00 |
| #define ASENCODE_LUN_NOT_SELF_CONFIGURED_YET 0x00 |
| #define ASENCODE_INQUIRY_DATA_CHANGED 0x03 |
| #define ASENCODE_SAVING_PARAMS_NOT_SUPPORTED 0x00 |
| #define ASENCODE_DIAGNOSTIC_FAILURE 0x80 |
| #define ASENCODE_INTERNAL_TARGET_FAILURE 0x00 |
| #define ASENCODE_INVALID_MESSAGE_ERROR 0x00 |
| #define ASENCODE_LUN_FAILED_SELF_CONFIG 0x00 |
| #define ASENCODE_OVERLAPPED_COMMAND 0x00 |
| |
| #define BYTE0(x) (unsigned char)(x) |
| #define BYTE1(x) (unsigned char)((x) >> 8) |
| #define BYTE2(x) (unsigned char)((x) >> 16) |
| #define BYTE3(x) (unsigned char)((x) >> 24) |
| |
| /*------------------------------------------------------------------------------ |
| * 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 */ |
| }; |
| |
| /* |
| * M O D U L E G L O B A L S |
| */ |
| |
| static unsigned long aac_build_sg(struct scsi_cmnd* scsicmd, struct sgmap* sgmap); |
| static unsigned long aac_build_sg64(struct scsi_cmnd* scsicmd, struct sgmap64* psg); |
| static int aac_send_srb_fib(struct scsi_cmnd* scsicmd); |
| #ifdef AAC_DETAILED_STATUS_INFO |
| static char *aac_get_status_string(u32 status); |
| #endif |
| |
| /* |
| * Non dasd selection is handled entirely in aachba now |
| */ |
| |
| static int nondasd = -1; |
| static int dacmode = -1; |
| |
| static int commit = -1; |
| |
| module_param(nondasd, int, 0); |
| MODULE_PARM_DESC(nondasd, "Control scanning of hba for nondasd devices. 0=off, 1=on"); |
| module_param(dacmode, int, 0); |
| MODULE_PARM_DESC(dacmode, "Control whether dma addressing is using 64 bit DAC. 0=off, 1=on"); |
| module_param(commit, int, 0); |
| MODULE_PARM_DESC(commit, "Control whether a COMMIT_CONFIG is issued to the adapter for foreign arrays.\nThis is typically needed in systems that do not have a BIOS. 0=off, 1=on"); |
| |
| /** |
| * aac_get_config_status - check the adapter configuration |
| * @common: adapter to query |
| * |
| * Query config status, and commit the configuration if needed. |
| */ |
| int aac_get_config_status(struct aac_dev *dev) |
| { |
| int status = 0; |
| struct fib * fibptr; |
| |
| if (!(fibptr = fib_alloc(dev))) |
| return -ENOMEM; |
| |
| 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 = 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; |
| } |
| } |
| fib_complete(fibptr); |
| /* Send a CT_COMMIT_CONFIG to enable discovery of devices */ |
| if (status >= 0) { |
| if (commit == 1) { |
| struct aac_commit_config * dinfo; |
| 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 = fib_send(ContainerCommand, |
| fibptr, |
| sizeof (struct aac_commit_config), |
| FsaNormal, |
| 1, 1, |
| NULL, NULL); |
| fib_complete(fibptr); |
| } else if (commit == 0) { |
| printk(KERN_WARNING |
| "aac_get_config_status: Foreign device configurations are being ignored\n"); |
| } |
| } |
| fib_free(fibptr); |
| return status; |
| } |
| |
| /** |
| * aac_get_containers - list containers |
| * @common: adapter to probe |
| * |
| * Make a list of all containers on this controller |
| */ |
| int aac_get_containers(struct aac_dev *dev) |
| { |
| struct fsa_dev_info *fsa_dev_ptr; |
| u32 index; |
| int status = 0; |
| struct fib * fibptr; |
| unsigned instance; |
| struct aac_get_container_count *dinfo; |
| struct aac_get_container_count_resp *dresp; |
| int maximum_num_containers = MAXIMUM_NUM_CONTAINERS; |
| |
| instance = dev->scsi_host_ptr->unique_id; |
| |
| if (!(fibptr = fib_alloc(dev))) |
| return -ENOMEM; |
| |
| 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 = 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); |
| fib_complete(fibptr); |
| } |
| |
| if (maximum_num_containers < MAXIMUM_NUM_CONTAINERS) |
| maximum_num_containers = MAXIMUM_NUM_CONTAINERS; |
| |
| fsa_dev_ptr = (struct fsa_dev_info *) kmalloc( |
| sizeof(*fsa_dev_ptr) * maximum_num_containers, GFP_KERNEL); |
| if (!fsa_dev_ptr) { |
| fib_free(fibptr); |
| return -ENOMEM; |
| } |
| memset(fsa_dev_ptr, 0, sizeof(*fsa_dev_ptr) * maximum_num_containers); |
| |
| dev->fsa_dev = fsa_dev_ptr; |
| dev->maximum_num_containers = maximum_num_containers; |
| |
| for (index = 0; index < dev->maximum_num_containers; index++) { |
| struct aac_query_mount *dinfo; |
| struct aac_mount *dresp; |
| |
| fsa_dev_ptr[index].devname[0] = '\0'; |
| |
| fib_init(fibptr); |
| dinfo = (struct aac_query_mount *) fib_data(fibptr); |
| |
| dinfo->command = cpu_to_le32(VM_NameServe); |
| dinfo->count = cpu_to_le32(index); |
| dinfo->type = cpu_to_le32(FT_FILESYS); |
| |
| status = fib_send(ContainerCommand, |
| fibptr, |
| sizeof (struct aac_query_mount), |
| FsaNormal, |
| 1, 1, |
| NULL, NULL); |
| if (status < 0 ) { |
| printk(KERN_WARNING "aac_get_containers: SendFIB failed.\n"); |
| break; |
| } |
| dresp = (struct aac_mount *)fib_data(fibptr); |
| |
| dprintk ((KERN_DEBUG |
| "VM_NameServe cid=%d status=%d vol=%d state=%d cap=%u\n", |
| (int)index, (int)le32_to_cpu(dresp->status), |
| (int)le32_to_cpu(dresp->mnt[0].vol), |
| (int)le32_to_cpu(dresp->mnt[0].state), |
| (unsigned)le32_to_cpu(dresp->mnt[0].capacity))); |
| 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)) { |
| fsa_dev_ptr[index].valid = 1; |
| fsa_dev_ptr[index].type = le32_to_cpu(dresp->mnt[0].vol); |
| fsa_dev_ptr[index].size = le32_to_cpu(dresp->mnt[0].capacity); |
| if (le32_to_cpu(dresp->mnt[0].state) & FSCS_READONLY) |
| fsa_dev_ptr[index].ro = 1; |
| } |
| fib_complete(fibptr); |
| /* |
| * If there are no more containers, then stop asking. |
| */ |
| if ((index + 1) >= le32_to_cpu(dresp->count)){ |
| break; |
| } |
| } |
| fib_free(fibptr); |
| return status; |
| } |
| |
| static void aac_io_done(struct scsi_cmnd * scsicmd) |
| { |
| unsigned long cpu_flags; |
| struct Scsi_Host *host = scsicmd->device->host; |
| spin_lock_irqsave(host->host_lock, cpu_flags); |
| scsicmd->scsi_done(scsicmd); |
| spin_unlock_irqrestore(host->host_lock, cpu_flags); |
| } |
| |
| 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; |
| |
| dprintk((KERN_DEBUG "get_container_name_callback[cpu %d]: t = %ld.\n", smp_processor_id(), jiffies)); |
| if (fibptr == NULL) |
| BUG(); |
| |
| 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')) { |
| int count; |
| char * dp; |
| char * sp = get_name_reply->data; |
| sp[sizeof(((struct aac_get_name_resp *)NULL)->data)-1] = '\0'; |
| while (*sp == ' ') |
| ++sp; |
| count = sizeof(((struct inquiry_data *)NULL)->inqd_pid); |
| dp = ((struct inquiry_data *)scsicmd->request_buffer)->inqd_pid; |
| if (*sp) do { |
| *dp++ = (*sp) ? *sp++ : ' '; |
| } while (--count > 0); |
| } |
| scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; |
| |
| fib_complete(fibptr); |
| fib_free(fibptr); |
| aac_io_done(scsicmd); |
| } |
| |
| /** |
| * aac_get_container_name - get container name, none blocking. |
| */ |
| static int aac_get_container_name(struct scsi_cmnd * scsicmd, int cid) |
| { |
| int status; |
| struct aac_get_name *dinfo; |
| struct fib * cmd_fibcontext; |
| struct aac_dev * dev; |
| |
| dev = (struct aac_dev *)scsicmd->device->host->hostdata; |
| |
| if (!(cmd_fibcontext = fib_alloc(dev))) |
| return -ENOMEM; |
| |
| fib_init(cmd_fibcontext); |
| dinfo = (struct aac_get_name *) fib_data(cmd_fibcontext); |
| |
| dinfo->command = cpu_to_le32(VM_ContainerConfig); |
| dinfo->type = cpu_to_le32(CT_READ_NAME); |
| dinfo->cid = cpu_to_le32(cid); |
| dinfo->count = cpu_to_le32(sizeof(((struct aac_get_name_resp *)NULL)->data)); |
| |
| status = fib_send(ContainerCommand, |
| cmd_fibcontext, |
| sizeof (struct aac_get_name), |
| FsaNormal, |
| 0, 1, |
| (fib_callback) get_container_name_callback, |
| (void *) scsicmd); |
| |
| /* |
| * Check that the command queued to the controller |
| */ |
| if (status == -EINPROGRESS) |
| return 0; |
| |
| printk(KERN_WARNING "aac_get_container_name: fib_send failed with status: %d.\n", status); |
| fib_complete(cmd_fibcontext); |
| fib_free(cmd_fibcontext); |
| return -1; |
| } |
| |
| /** |
| * probe_container - query a logical volume |
| * @dev: device to query |
| * @cid: container identifier |
| * |
| * Queries the controller about the given volume. The volume information |
| * is updated in the struct fsa_dev_info structure rather than returned. |
| */ |
| |
| static int probe_container(struct aac_dev *dev, int cid) |
| { |
| struct fsa_dev_info *fsa_dev_ptr; |
| int status; |
| struct aac_query_mount *dinfo; |
| struct aac_mount *dresp; |
| struct fib * fibptr; |
| unsigned instance; |
| |
| fsa_dev_ptr = dev->fsa_dev; |
| instance = dev->scsi_host_ptr->unique_id; |
| |
| if (!(fibptr = fib_alloc(dev))) |
| return -ENOMEM; |
| |
| fib_init(fibptr); |
| |
| dinfo = (struct aac_query_mount *)fib_data(fibptr); |
| |
| dinfo->command = cpu_to_le32(VM_NameServe); |
| dinfo->count = cpu_to_le32(cid); |
| dinfo->type = cpu_to_le32(FT_FILESYS); |
| |
| status = fib_send(ContainerCommand, |
| fibptr, |
| sizeof(struct aac_query_mount), |
| FsaNormal, |
| 1, 1, |
| NULL, NULL); |
| if (status < 0) { |
| printk(KERN_WARNING "aacraid: probe_containers query failed.\n"); |
| goto error; |
| } |
| |
| dresp = (struct aac_mount *) fib_data(fibptr); |
| |
| 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)) { |
| fsa_dev_ptr[cid].valid = 1; |
| fsa_dev_ptr[cid].type = le32_to_cpu(dresp->mnt[0].vol); |
| fsa_dev_ptr[cid].size = le32_to_cpu(dresp->mnt[0].capacity); |
| if (le32_to_cpu(dresp->mnt[0].state) & FSCS_READONLY) |
| fsa_dev_ptr[cid].ro = 1; |
| } |
| |
| error: |
| fib_complete(fibptr); |
| fib_free(fibptr); |
| |
| return status; |
| } |
| |
| /* Local Structure to set SCSI inquiry data strings */ |
| struct scsi_inq { |
| char vid[8]; /* Vendor ID */ |
| char pid[16]; /* Product ID */ |
| char prl[4]; /* Product Revision Level */ |
| }; |
| |
| /** |
| * InqStrCopy - string merge |
| * @a: string to copy from |
| * @b: string to copy to |
| * |
| * Copy a String from one location to another |
| * without copying \0 |
| */ |
| |
| static void inqstrcpy(char *a, char *b) |
| { |
| |
| while(*a != (char)0) |
| *b++ = *a++; |
| } |
| |
| static char *container_types[] = { |
| "None", |
| "Volume", |
| "Mirror", |
| "Stripe", |
| "RAID5", |
| "SSRW", |
| "SSRO", |
| "Morph", |
| "Legacy", |
| "RAID4", |
| "RAID10", |
| "RAID00", |
| "V-MIRRORS", |
| "PSEUDO R4", |
| "RAID50", |
| "Unknown" |
| }; |
| |
| |
| |
| /* 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 dependant |
| * files instead of in OS dependant driver source. |
| */ |
| |
| static void setinqstr(int devtype, void *data, int tindex) |
| { |
| struct scsi_inq *str; |
| struct aac_driver_ident *mp; |
| |
| mp = aac_get_driver_ident(devtype); |
| |
| str = (struct scsi_inq *)(data); /* cast data to scsi inq block */ |
| |
| inqstrcpy (mp->vname, str->vid); |
| inqstrcpy (mp->model, str->pid); /* last six chars reserved for vol type */ |
| |
| if (tindex < (sizeof(container_types)/sizeof(char *))){ |
| 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) = ' '; |
| inqstrcpy (container_types[tindex], findit + 1); |
| } |
| inqstrcpy ("V1.0", str->prl); |
| } |
| |
| static void set_sense(u8 *sense_buf, u8 sense_key, u8 sense_code, |
| u8 a_sense_code, u8 incorrect_length, |
| u8 bit_pointer, u16 field_pointer, |
| u32 residue) |
| { |
| sense_buf[0] = 0xF0; /* Sense data valid, err code 70h (current error) */ |
| sense_buf[1] = 0; /* Segment number, always zero */ |
| |
| if (incorrect_length) { |
| sense_buf[2] = sense_key | 0x20;/* Set ILI bit | sense key */ |
| sense_buf[3] = BYTE3(residue); |
| sense_buf[4] = BYTE2(residue); |
| sense_buf[5] = BYTE1(residue); |
| sense_buf[6] = BYTE0(residue); |
| } else |
| sense_buf[2] = sense_key; /* Sense key */ |
| |
| if (sense_key == ILLEGAL_REQUEST) |
| sense_buf[7] = 10; /* Additional sense length */ |
| else |
| sense_buf[7] = 6; /* Additional sense length */ |
| |
| 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[15] = 0; |
| |
| if (sense_code == SENCODE_INVALID_PARAM_FIELD) |
| sense_buf[15] = 0x80;/* Std sense key specific field */ |
| /* 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[15] |= bit_pointer; |
| sense_buf[16] = field_pointer >> 8; /* MSB */ |
| sense_buf[17] = field_pointer; /* LSB */ |
| } |
| } |
| |
| int aac_get_adapter_info(struct aac_dev* dev) |
| { |
| struct fib* fibptr; |
| struct aac_adapter_info* info; |
| int rcode; |
| u32 tmp; |
| if (!(fibptr = fib_alloc(dev))) |
| return -ENOMEM; |
| |
| fib_init(fibptr); |
| info = (struct aac_adapter_info*) fib_data(fibptr); |
| |
| memset(info,0,sizeof(struct aac_adapter_info)); |
| |
| rcode = fib_send(RequestAdapterInfo, |
| fibptr, |
| sizeof(struct aac_adapter_info), |
| FsaNormal, |
| 1, 1, |
| NULL, |
| NULL); |
| |
| memcpy(&dev->adapter_info, info, sizeof(struct aac_adapter_info)); |
| |
| tmp = le32_to_cpu(dev->adapter_info.kernelrev); |
| printk(KERN_INFO "%s%d: kernel %d.%d-%d[%d]\n", |
| dev->name, |
| dev->id, |
| tmp>>24, |
| (tmp>>16)&0xff, |
| tmp&0xff, |
| le32_to_cpu(dev->adapter_info.kernelbuild)); |
| 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)); |
| if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0) |
| printk(KERN_INFO "%s%d: serial %x\n", |
| dev->name, dev->id, |
| le32_to_cpu(dev->adapter_info.serial[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 != 0){ |
| printk(KERN_INFO "%s%d: Non-DASD support enabled.\n",dev->name, dev->id); |
| } |
| |
| dev->dac_support = 0; |
| if( (sizeof(dma_addr_t) > 4) && (dev->adapter_info.options & AAC_OPT_SGMAP_HOST64)){ |
| 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); |
| } |
| if(dev->dac_support != 0) { |
| if (!pci_set_dma_mask(dev->pdev, 0xFFFFFFFFFFFFFFFFULL) && |
| !pci_set_consistent_dma_mask(dev->pdev, 0xFFFFFFFFFFFFFFFFULL)) { |
| printk(KERN_INFO"%s%d: 64 Bit DAC enabled\n", |
| dev->name, dev->id); |
| } else if (!pci_set_dma_mask(dev->pdev, 0xFFFFFFFFULL) && |
| !pci_set_consistent_dma_mask(dev->pdev, 0xFFFFFFFFULL)) { |
| printk(KERN_INFO"%s%d: DMA mask set failed, 64 Bit DAC disabled\n", |
| dev->name, dev->id); |
| dev->dac_support = 0; |
| } else { |
| printk(KERN_WARNING"%s%d: No suitable DMA available.\n", |
| dev->name, dev->id); |
| rcode = -ENOMEM; |
| } |
| } |
| |
| fib_complete(fibptr); |
| fib_free(fibptr); |
| |
| return rcode; |
| } |
| |
| |
| static void read_callback(void *context, struct fib * fibptr) |
| { |
| struct aac_dev *dev; |
| struct aac_read_reply *readreply; |
| struct scsi_cmnd *scsicmd; |
| u32 lba; |
| u32 cid; |
| |
| scsicmd = (struct scsi_cmnd *) context; |
| |
| dev = (struct aac_dev *)scsicmd->device->host->hostdata; |
| cid = ID_LUN_TO_CONTAINER(scsicmd->device->id, scsicmd->device->lun); |
| |
| lba = ((scsicmd->cmnd[1] & 0x1F) << 16) | (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3]; |
| dprintk((KERN_DEBUG "read_callback[cpu %d]: lba = %u, t = %ld.\n", smp_processor_id(), lba, jiffies)); |
| |
| if (fibptr == NULL) |
| BUG(); |
| |
| if(scsicmd->use_sg) |
| pci_unmap_sg(dev->pdev, |
| (struct scatterlist *)scsicmd->buffer, |
| scsicmd->use_sg, |
| scsicmd->sc_data_direction); |
| else if(scsicmd->request_bufflen) |
| pci_unmap_single(dev->pdev, scsicmd->SCp.dma_handle, |
| scsicmd->request_bufflen, |
| scsicmd->sc_data_direction); |
| readreply = (struct aac_read_reply *)fib_data(fibptr); |
| if (le32_to_cpu(readreply->status) == ST_OK) |
| scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; |
| else { |
| printk(KERN_WARNING "read_callback: read failed, status = %d\n", |
| le32_to_cpu(readreply->status)); |
| scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION; |
| set_sense((u8 *) &dev->fsa_dev[cid].sense_data, |
| HARDWARE_ERROR, |
| SENCODE_INTERNAL_TARGET_FAILURE, |
| ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0, |
| 0, 0); |
| memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data, |
| (sizeof(dev->fsa_dev[cid].sense_data) > sizeof(scsicmd->sense_buffer)) |
| ? sizeof(scsicmd->sense_buffer) |
| : sizeof(dev->fsa_dev[cid].sense_data)); |
| } |
| fib_complete(fibptr); |
| fib_free(fibptr); |
| |
| aac_io_done(scsicmd); |
| } |
| |
| static void write_callback(void *context, struct fib * fibptr) |
| { |
| struct aac_dev *dev; |
| struct aac_write_reply *writereply; |
| struct scsi_cmnd *scsicmd; |
| u32 lba; |
| u32 cid; |
| |
| scsicmd = (struct scsi_cmnd *) context; |
| dev = (struct aac_dev *)scsicmd->device->host->hostdata; |
| cid = ID_LUN_TO_CONTAINER(scsicmd->device->id, scsicmd->device->lun); |
| |
| lba = ((scsicmd->cmnd[1] & 0x1F) << 16) | (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3]; |
| dprintk((KERN_DEBUG "write_callback[cpu %d]: lba = %u, t = %ld.\n", smp_processor_id(), lba, jiffies)); |
| if (fibptr == NULL) |
| BUG(); |
| |
| if(scsicmd->use_sg) |
| pci_unmap_sg(dev->pdev, |
| (struct scatterlist *)scsicmd->buffer, |
| scsicmd->use_sg, |
| scsicmd->sc_data_direction); |
| else if(scsicmd->request_bufflen) |
| pci_unmap_single(dev->pdev, scsicmd->SCp.dma_handle, |
| scsicmd->request_bufflen, |
| scsicmd->sc_data_direction); |
| |
| writereply = (struct aac_write_reply *) fib_data(fibptr); |
| if (le32_to_cpu(writereply->status) == ST_OK) |
| scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; |
| else { |
| printk(KERN_WARNING "write_callback: write failed, status = %d\n", writereply->status); |
| scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION; |
| set_sense((u8 *) &dev->fsa_dev[cid].sense_data, |
| HARDWARE_ERROR, |
| SENCODE_INTERNAL_TARGET_FAILURE, |
| ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0, |
| 0, 0); |
| memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data, |
| sizeof(struct sense_data)); |
| } |
| |
| fib_complete(fibptr); |
| fib_free(fibptr); |
| aac_io_done(scsicmd); |
| } |
| |
| static int aac_read(struct scsi_cmnd * scsicmd, int cid) |
| { |
| u32 lba; |
| u32 count; |
| int status; |
| |
| u16 fibsize; |
| struct aac_dev *dev; |
| struct fib * cmd_fibcontext; |
| |
| dev = (struct aac_dev *)scsicmd->device->host->hostdata; |
| /* |
| * Get block address and transfer length |
| */ |
| if (scsicmd->cmnd[0] == READ_6) /* 6 byte command */ |
| { |
| dprintk((KERN_DEBUG "aachba: received a read(6) command on id %d.\n", cid)); |
| |
| lba = ((scsicmd->cmnd[1] & 0x1F) << 16) | (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3]; |
| count = scsicmd->cmnd[4]; |
| |
| if (count == 0) |
| count = 256; |
| } else { |
| dprintk((KERN_DEBUG "aachba: received a read(10) command on id %d.\n", cid)); |
| |
| lba = (scsicmd->cmnd[2] << 24) | (scsicmd->cmnd[3] << 16) | (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5]; |
| count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8]; |
| } |
| dprintk((KERN_DEBUG "aac_read[cpu %d]: lba = %u, t = %ld.\n", smp_processor_id(), lba, jiffies)); |
| /* |
| * Alocate and initialize a Fib |
| */ |
| if (!(cmd_fibcontext = fib_alloc(dev))) { |
| return -1; |
| } |
| |
| fib_init(cmd_fibcontext); |
| |
| if(dev->dac_support == 1) { |
| struct aac_read64 *readcmd; |
| readcmd = (struct aac_read64 *) fib_data(cmd_fibcontext); |
| readcmd->command = cpu_to_le32(VM_CtHostRead64); |
| readcmd->cid = cpu_to_le16(cid); |
| readcmd->sector_count = cpu_to_le16(count); |
| readcmd->block = cpu_to_le32(lba); |
| readcmd->pad = 0; |
| readcmd->flags = 0; |
| |
| aac_build_sg64(scsicmd, &readcmd->sg); |
| fibsize = sizeof(struct aac_read64) + |
| ((le32_to_cpu(readcmd->sg.count) - 1) * |
| sizeof (struct sgentry64)); |
| BUG_ON (fibsize > (sizeof(struct hw_fib) - |
| sizeof(struct aac_fibhdr))); |
| /* |
| * Now send the Fib to the adapter |
| */ |
| status = fib_send(ContainerCommand64, |
| cmd_fibcontext, |
| fibsize, |
| FsaNormal, |
| 0, 1, |
| (fib_callback) read_callback, |
| (void *) scsicmd); |
| } else { |
| struct aac_read *readcmd; |
| readcmd = (struct aac_read *) fib_data(cmd_fibcontext); |
| readcmd->command = cpu_to_le32(VM_CtBlockRead); |
| readcmd->cid = cpu_to_le32(cid); |
| readcmd->block = cpu_to_le32(lba); |
| readcmd->count = cpu_to_le32(count * 512); |
| |
| if (count * 512 > (64 * 1024)) |
| BUG(); |
| |
| aac_build_sg(scsicmd, &readcmd->sg); |
| fibsize = sizeof(struct aac_read) + |
| ((le32_to_cpu(readcmd->sg.count) - 1) * |
| sizeof (struct sgentry)); |
| BUG_ON (fibsize > (sizeof(struct hw_fib) - |
| sizeof(struct aac_fibhdr))); |
| /* |
| * Now send the Fib to the adapter |
| */ |
| status = fib_send(ContainerCommand, |
| cmd_fibcontext, |
| fibsize, |
| FsaNormal, |
| 0, 1, |
| (fib_callback) read_callback, |
| (void *) scsicmd); |
| } |
| |
| |
| |
| /* |
| * Check that the command queued to the controller |
| */ |
| if (status == -EINPROGRESS) |
| return 0; |
| |
| printk(KERN_WARNING "aac_read: fib_send failed with status: %d.\n", status); |
| /* |
| * For some reason, the Fib didn't queue, return QUEUE_FULL |
| */ |
| scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_TASK_SET_FULL; |
| aac_io_done(scsicmd); |
| fib_complete(cmd_fibcontext); |
| fib_free(cmd_fibcontext); |
| return 0; |
| } |
| |
| static int aac_write(struct scsi_cmnd * scsicmd, int cid) |
| { |
| u32 lba; |
| u32 count; |
| int status; |
| u16 fibsize; |
| struct aac_dev *dev; |
| struct fib * cmd_fibcontext; |
| |
| 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; |
| } else { |
| dprintk((KERN_DEBUG "aachba: received a write(10) command on id %d.\n", cid)); |
| lba = (scsicmd->cmnd[2] << 24) | (scsicmd->cmnd[3] << 16) | (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5]; |
| count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8]; |
| } |
| dprintk((KERN_DEBUG "aac_write[cpu %d]: lba = %u, t = %ld.\n", |
| smp_processor_id(), (unsigned long long)lba, jiffies)); |
| /* |
| * Allocate and initialize a Fib then setup a BlockWrite command |
| */ |
| if (!(cmd_fibcontext = fib_alloc(dev))) { |
| scsicmd->result = DID_ERROR << 16; |
| aac_io_done(scsicmd); |
| return 0; |
| } |
| fib_init(cmd_fibcontext); |
| |
| if(dev->dac_support == 1) { |
| struct aac_write64 *writecmd; |
| writecmd = (struct aac_write64 *) fib_data(cmd_fibcontext); |
| writecmd->command = cpu_to_le32(VM_CtHostWrite64); |
| writecmd->cid = cpu_to_le16(cid); |
| writecmd->sector_count = cpu_to_le16(count); |
| writecmd->block = cpu_to_le32(lba); |
| writecmd->pad = 0; |
| writecmd->flags = 0; |
| |
| aac_build_sg64(scsicmd, &writecmd->sg); |
| fibsize = sizeof(struct aac_write64) + |
| ((le32_to_cpu(writecmd->sg.count) - 1) * |
| sizeof (struct sgentry64)); |
| BUG_ON (fibsize > (sizeof(struct hw_fib) - |
| sizeof(struct aac_fibhdr))); |
| /* |
| * Now send the Fib to the adapter |
| */ |
| status = fib_send(ContainerCommand64, |
| cmd_fibcontext, |
| fibsize, |
| FsaNormal, |
| 0, 1, |
| (fib_callback) write_callback, |
| (void *) scsicmd); |
| } else { |
| struct aac_write *writecmd; |
| writecmd = (struct aac_write *) fib_data(cmd_fibcontext); |
| writecmd->command = cpu_to_le32(VM_CtBlockWrite); |
| writecmd->cid = cpu_to_le32(cid); |
| writecmd->block = cpu_to_le32(lba); |
| writecmd->count = cpu_to_le32(count * 512); |
| writecmd->sg.count = cpu_to_le32(1); |
| /* ->stable is not used - it did mean which type of write */ |
| |
| if (count * 512 > (64 * 1024)) { |
| BUG(); |
| } |
| |
| aac_build_sg(scsicmd, &writecmd->sg); |
| fibsize = sizeof(struct aac_write) + |
| ((le32_to_cpu(writecmd->sg.count) - 1) * |
| sizeof (struct sgentry)); |
| BUG_ON (fibsize > (sizeof(struct hw_fib) - |
| sizeof(struct aac_fibhdr))); |
| /* |
| * Now send the Fib to the adapter |
| */ |
| status = fib_send(ContainerCommand, |
| cmd_fibcontext, |
| fibsize, |
| FsaNormal, |
| 0, 1, |
| (fib_callback) write_callback, |
| (void *) scsicmd); |
| } |
| |
| /* |
| * Check that the command queued to the controller |
| */ |
| if (status == -EINPROGRESS) |
| { |
| dprintk("write queued.\n"); |
| return 0; |
| } |
| |
| printk(KERN_WARNING "aac_write: fib_send failed with status: %d\n", status); |
| /* |
| * For some reason, the Fib didn't queue, return QUEUE_FULL |
| */ |
| scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_TASK_SET_FULL; |
| aac_io_done(scsicmd); |
| |
| fib_complete(cmd_fibcontext); |
| fib_free(cmd_fibcontext); |
| return 0; |
| } |
| |
| static void synchronize_callback(void *context, struct fib *fibptr) |
| { |
| struct aac_synchronize_reply *synchronizereply; |
| struct scsi_cmnd *cmd; |
| |
| cmd = context; |
| |
| dprintk((KERN_DEBUG "synchronize_callback[cpu %d]: t = %ld.\n", |
| smp_processor_id(), jiffies)); |
| BUG_ON(fibptr == NULL); |
| |
| |
| synchronizereply = fib_data(fibptr); |
| if (le32_to_cpu(synchronizereply->status) == CT_OK) |
| cmd->result = DID_OK << 16 | |
| COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; |
| else { |
| struct scsi_device *sdev = cmd->device; |
| struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata; |
| u32 cid = ID_LUN_TO_CONTAINER(sdev->id, sdev->lun); |
| printk(KERN_WARNING |
| "synchronize_callback: synchronize failed, status = %d\n", |
| le32_to_cpu(synchronizereply->status)); |
| cmd->result = DID_OK << 16 | |
| COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION; |
| set_sense((u8 *)&dev->fsa_dev[cid].sense_data, |
| HARDWARE_ERROR, |
| SENCODE_INTERNAL_TARGET_FAILURE, |
| ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0, |
| 0, 0); |
| memcpy(cmd->sense_buffer, &dev->fsa_dev[cid].sense_data, |
| min(sizeof(dev->fsa_dev[cid].sense_data), |
| sizeof(cmd->sense_buffer))); |
| } |
| |
| fib_complete(fibptr); |
| fib_free(fibptr); |
| aac_io_done(cmd); |
| } |
| |
| static int aac_synchronize(struct scsi_cmnd *scsicmd, int cid) |
| { |
| int status; |
| struct fib *cmd_fibcontext; |
| struct aac_synchronize *synchronizecmd; |
| struct scsi_cmnd *cmd; |
| struct scsi_device *sdev = scsicmd->device; |
| int active = 0; |
| unsigned long flags; |
| |
| /* |
| * Wait for all commands to complete to this specific |
| * target (block). |
| */ |
| spin_lock_irqsave(&sdev->list_lock, flags); |
| list_for_each_entry(cmd, &sdev->cmd_list, list) |
| if (cmd != scsicmd && cmd->serial_number != 0) { |
| ++active; |
| break; |
| } |
| |
| spin_unlock_irqrestore(&sdev->list_lock, flags); |
| |
| /* |
| * Yield the processor (requeue for later) |
| */ |
| if (active) |
| return SCSI_MLQUEUE_DEVICE_BUSY; |
| |
| /* |
| * Alocate and initialize a Fib |
| */ |
| if (!(cmd_fibcontext = |
| fib_alloc((struct aac_dev *)scsicmd->device->host->hostdata))) |
| return SCSI_MLQUEUE_HOST_BUSY; |
| |
| 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(cid); |
| synchronizecmd->count = |
| cpu_to_le32(sizeof(((struct aac_synchronize_reply *)NULL)->data)); |
| |
| /* |
| * Now send the Fib to the adapter |
| */ |
| status = 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: fib_send failed with status: %d.\n", status); |
| fib_complete(cmd_fibcontext); |
| 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 = 0; |
| 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; |
| int cardtype = dev->cardtype; |
| int ret; |
| |
| /* |
| * 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. |
| */ |
| if (scsicmd->device->id != host->this_id) { |
| if ((scsicmd->device->channel == 0) ){ |
| if( (scsicmd->device->id >= dev->maximum_num_containers) || (scsicmd->device->lun != 0)){ |
| scsicmd->result = DID_NO_CONNECT << 16; |
| scsicmd->scsi_done(scsicmd); |
| return 0; |
| } |
| cid = ID_LUN_TO_CONTAINER(scsicmd->device->id, scsicmd->device->lun); |
| |
| /* |
| * If the target container doesn't exist, it may have |
| * been newly created |
| */ |
| if ((fsa_dev_ptr[cid].valid & 1) == 0) { |
| switch (scsicmd->cmnd[0]) { |
| case INQUIRY: |
| case READ_CAPACITY: |
| case TEST_UNIT_READY: |
| spin_unlock_irq(host->host_lock); |
| probe_container(dev, cid); |
| spin_lock_irq(host->host_lock); |
| if (fsa_dev_ptr[cid].valid == 0) { |
| scsicmd->result = DID_NO_CONNECT << 16; |
| scsicmd->scsi_done(scsicmd); |
| return 0; |
| } |
| default: |
| break; |
| } |
| } |
| /* |
| * If the target container still doesn't exist, |
| * return failure |
| */ |
| if (fsa_dev_ptr[cid].valid == 0) { |
| scsicmd->result = DID_BAD_TARGET << 16; |
| scsicmd->scsi_done(scsicmd); |
| return 0; |
| } |
| } else { /* check for physical non-dasd devices */ |
| if(dev->nondasd_support == 1){ |
| return aac_send_srb_fib(scsicmd); |
| } else { |
| scsicmd->result = DID_NO_CONNECT << 16; |
| scsicmd->scsi_done(scsicmd); |
| return 0; |
| } |
| } |
| } |
| /* |
| * else Command for the controller itself |
| */ |
| else if ((scsicmd->cmnd[0] != INQUIRY) && /* only INQUIRY & TUR cmnd supported for controller */ |
| (scsicmd->cmnd[0] != TEST_UNIT_READY)) |
| { |
| dprintk((KERN_WARNING "Only INQUIRY & TUR command supported for controller, rcvd = 0x%x.\n", scsicmd->cmnd[0])); |
| scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION; |
| set_sense((u8 *) &dev->fsa_dev[cid].sense_data, |
| ILLEGAL_REQUEST, |
| SENCODE_INVALID_COMMAND, |
| ASENCODE_INVALID_COMMAND, 0, 0, 0, 0); |
| memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data, |
| (sizeof(dev->fsa_dev[cid].sense_data) > sizeof(scsicmd->sense_buffer)) |
| ? sizeof(scsicmd->sense_buffer) |
| : sizeof(dev->fsa_dev[cid].sense_data)); |
| scsicmd->scsi_done(scsicmd); |
| return 0; |
| } |
| |
| |
| /* Handle commands here that don't really require going out to the adapter */ |
| switch (scsicmd->cmnd[0]) { |
| case INQUIRY: |
| { |
| struct inquiry_data *inq_data_ptr; |
| |
| dprintk((KERN_DEBUG "INQUIRY command, ID: %d.\n", scsicmd->device->id)); |
| inq_data_ptr = (struct inquiry_data *)scsicmd->request_buffer; |
| memset(inq_data_ptr, 0, sizeof (struct inquiry_data)); |
| |
| inq_data_ptr->inqd_ver = 2; /* claim compliance to SCSI-2 */ |
| inq_data_ptr->inqd_dtq = 0x80; /* set RMB bit to one indicating that the medium is removable */ |
| inq_data_ptr->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_ptr->inqd_len = 31; |
| /*Format for "pad2" is RelAdr | WBus32 | WBus16 | Sync | Linked |Reserved| CmdQue | SftRe */ |
| inq_data_ptr->inqd_pad2= 0x32 ; /*WBus16|Sync|CmdQue */ |
| /* |
| * Set the Vendor, Product, and Revision Level |
| * see: <vendor>.c i.e. aac.c |
| */ |
| if (scsicmd->device->id == host->this_id) { |
| setinqstr(cardtype, (void *) (inq_data_ptr->inqd_vid), (sizeof(container_types)/sizeof(char *))); |
| inq_data_ptr->inqd_pdt = INQD_PDT_PROC; /* Processor device */ |
| scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; |
| scsicmd->scsi_done(scsicmd); |
| return 0; |
| } |
| setinqstr(cardtype, (void *) (inq_data_ptr->inqd_vid), fsa_dev_ptr[cid].type); |
| inq_data_ptr->inqd_pdt = INQD_PDT_DA; /* Direct/random access device */ |
| return aac_get_container_name(scsicmd, cid); |
| } |
| case READ_CAPACITY: |
| { |
| u32 capacity; |
| char *cp; |
| |
| dprintk((KERN_DEBUG "READ CAPACITY command.\n")); |
| if (fsa_dev_ptr[cid].size <= 0x100000000LL) |
| capacity = fsa_dev_ptr[cid].size - 1; |
| else |
| capacity = (u32)-1; |
| cp = scsicmd->request_buffer; |
| cp[0] = (capacity >> 24) & 0xff; |
| cp[1] = (capacity >> 16) & 0xff; |
| cp[2] = (capacity >> 8) & 0xff; |
| cp[3] = (capacity >> 0) & 0xff; |
| cp[4] = 0; |
| cp[5] = 0; |
| cp[6] = 2; |
| cp[7] = 0; |
| |
| scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; |
| scsicmd->scsi_done(scsicmd); |
| |
| return 0; |
| } |
| |
| case MODE_SENSE: |
| { |
| char *mode_buf; |
| |
| dprintk((KERN_DEBUG "MODE SENSE command.\n")); |
| mode_buf = scsicmd->request_buffer; |
| mode_buf[0] = 3; /* Mode data length */ |
| mode_buf[1] = 0; /* Medium type - default */ |
| mode_buf[2] = 0; /* Device-specific param, bit 8: 0/1 = write enabled/protected */ |
| mode_buf[3] = 0; /* Block descriptor length */ |
| |
| scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; |
| scsicmd->scsi_done(scsicmd); |
| |
| return 0; |
| } |
| case MODE_SENSE_10: |
| { |
| char *mode_buf; |
| |
| dprintk((KERN_DEBUG "MODE SENSE 10 byte command.\n")); |
| mode_buf = scsicmd->request_buffer; |
| mode_buf[0] = 0; /* Mode data length (MSB) */ |
| mode_buf[1] = 6; /* Mode data length (LSB) */ |
| mode_buf[2] = 0; /* Medium type - default */ |
| mode_buf[3] = 0; /* Device-specific param, bit 8: 0/1 = write enabled/protected */ |
| mode_buf[4] = 0; /* reserved */ |
| mode_buf[5] = 0; /* reserved */ |
| mode_buf[6] = 0; /* Block descriptor length (MSB) */ |
| mode_buf[7] = 0; /* Block descriptor length (LSB) */ |
| |
| scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; |
| scsicmd->scsi_done(scsicmd); |
| |
| return 0; |
| } |
| case REQUEST_SENSE: |
| dprintk((KERN_DEBUG "REQUEST SENSE command.\n")); |
| memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data, sizeof (struct sense_data)); |
| memset(&dev->fsa_dev[cid].sense_data, 0, sizeof (struct sense_data)); |
| scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; |
| scsicmd->scsi_done(scsicmd); |
| return 0; |
| |
| case ALLOW_MEDIUM_REMOVAL: |
| dprintk((KERN_DEBUG "LOCK command.\n")); |
| if (scsicmd->cmnd[4]) |
| fsa_dev_ptr[cid].locked = 1; |
| else |
| fsa_dev_ptr[cid].locked = 0; |
| |
| scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; |
| scsicmd->scsi_done(scsicmd); |
| return 0; |
| /* |
| * These commands are all No-Ops |
| */ |
| case TEST_UNIT_READY: |
| case RESERVE: |
| case RELEASE: |
| case REZERO_UNIT: |
| case REASSIGN_BLOCKS: |
| case SEEK_10: |
| case START_STOP: |
| scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; |
| scsicmd->scsi_done(scsicmd); |
| return 0; |
| } |
| |
| switch (scsicmd->cmnd[0]) |
| { |
| case READ_6: |
| case READ_10: |
| /* |
| * Hack to keep track of ordinal number of the device that |
| * corresponds to a container. Needed to convert |
| * containers to /dev/sd device names |
| */ |
| |
| spin_unlock_irq(host->host_lock); |
| if (scsicmd->request->rq_disk) |
| memcpy(fsa_dev_ptr[cid].devname, |
| scsicmd->request->rq_disk->disk_name, |
| 8); |
| |
| ret = aac_read(scsicmd, cid); |
| spin_lock_irq(host->host_lock); |
| return ret; |
| |
| case WRITE_6: |
| case WRITE_10: |
| spin_unlock_irq(host->host_lock); |
| ret = aac_write(scsicmd, cid); |
| spin_lock_irq(host->host_lock); |
| return ret; |
| |
| case SYNCHRONIZE_CACHE: |
| /* Issue FIB to tell Firmware to flush it's cache */ |
| return aac_synchronize(scsicmd, cid); |
| |
| default: |
| /* |
| * Unhandled commands |
| */ |
| printk(KERN_WARNING "Unhandled SCSI Command: 0x%x.\n", scsicmd->cmnd[0]); |
| scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION; |
| set_sense((u8 *) &dev->fsa_dev[cid].sense_data, |
| ILLEGAL_REQUEST, SENCODE_INVALID_COMMAND, |
| ASENCODE_INVALID_COMMAND, 0, 0, 0, 0); |
| memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data, |
| (sizeof(dev->fsa_dev[cid].sense_data) > sizeof(scsicmd->sense_buffer)) |
| ? sizeof(scsicmd->sense_buffer) |
| : sizeof(dev->fsa_dev[cid].sense_data)); |
| scsicmd->scsi_done(scsicmd); |
| return 0; |
| } |
| } |
| |
| static int query_disk(struct aac_dev *dev, void __user *arg) |
| { |
| struct aac_query_disk qd; |
| struct fsa_dev_info *fsa_dev_ptr; |
| |
| fsa_dev_ptr = dev->fsa_dev; |
| if (copy_from_user(&qd, arg, sizeof (struct aac_query_disk))) |
| return -EFAULT; |
| if (qd.cnum == -1) |
| qd.cnum = ID_LUN_TO_CONTAINER(qd.id, qd.lun); |
| 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; |
| 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 (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 (copy_from_user(&dd, arg, sizeof (struct aac_delete_disk))) |
| return -EFAULT; |
| |
| if (dd.cnum >= dev->maximum_num_containers) |
| return -EINVAL; |
| /* |
| * If the container is locked, it can not be deleted by the API. |
| */ |
| if (fsa_dev_ptr[dd.cnum].locked) |
| return -EBUSY; |
| else { |
| /* |
| * Mark the container as no longer being valid. |
| */ |
| fsa_dev_ptr[dd.cnum].valid = 0; |
| fsa_dev_ptr[dd.cnum].devname[0] = '\0'; |
| return 0; |
| } |
| } |
| |
| int aac_dev_ioctl(struct aac_dev *dev, int cmd, void __user *arg) |
| { |
| switch (cmd) { |
| case FSACTL_QUERY_DISK: |
| return query_disk(dev, arg); |
| case FSACTL_DELETE_DISK: |
| return delete_disk(dev, arg); |
| case FSACTL_FORCE_DELETE_DISK: |
| return force_delete_disk(dev, arg); |
| case FSACTL_GET_CONTAINERS: |
| return aac_get_containers(dev); |
| default: |
| return -ENOTTY; |
| } |
| } |
| |
| /** |
| * |
| * aac_srb_callback |
| * @context: the context set in the fib - here it is scsi cmd |
| * @fibptr: pointer to the fib |
| * |
| * Handles the completion of a scsi command to a non dasd device |
| * |
| */ |
| |
| static void aac_srb_callback(void *context, struct fib * fibptr) |
| { |
| struct aac_dev *dev; |
| struct aac_srb_reply *srbreply; |
| struct scsi_cmnd *scsicmd; |
| |
| scsicmd = (struct scsi_cmnd *) context; |
| dev = (struct aac_dev *)scsicmd->device->host->hostdata; |
| |
| if (fibptr == NULL) |
| BUG(); |
| |
| srbreply = (struct aac_srb_reply *) fib_data(fibptr); |
| |
| scsicmd->sense_buffer[0] = '\0'; /* Initialize sense valid flag to false */ |
| /* |
| * Calculate resid for sg |
| */ |
| |
| scsicmd->resid = scsicmd->request_bufflen - |
| le32_to_cpu(srbreply->data_xfer_length); |
| |
| if(scsicmd->use_sg) |
| pci_unmap_sg(dev->pdev, |
| (struct scatterlist *)scsicmd->buffer, |
| scsicmd->use_sg, |
| scsicmd->sc_data_direction); |
| else if(scsicmd->request_bufflen) |
| pci_unmap_single(dev->pdev, scsicmd->SCp.dma_handle, scsicmd->request_bufflen, |
| scsicmd->sc_data_direction); |
| |
| /* |
| * First check the fib status |
| */ |
| |
| if (le32_to_cpu(srbreply->status) != ST_OK){ |
| int len; |
| printk(KERN_WARNING "aac_srb_callback: srb failed, status = %d\n", le32_to_cpu(srbreply->status)); |
| len = (le32_to_cpu(srbreply->sense_data_size) > |
| sizeof(scsicmd->sense_buffer)) ? |
| sizeof(scsicmd->sense_buffer) : |
| le32_to_cpu(srbreply->sense_data_size); |
| scsicmd->result = DID_ERROR << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION; |
| memcpy(scsicmd->sense_buffer, srbreply->sense_data, len); |
| } |
| |
| /* |
| * Next check the srb status |
| */ |
| switch( (le32_to_cpu(srbreply->srb_status))&0x3f){ |
| case SRB_STATUS_ERROR_RECOVERY: |
| case SRB_STATUS_PENDING: |
| case SRB_STATUS_SUCCESS: |
| if(scsicmd->cmnd[0] == INQUIRY ){ |
| u8 b; |
| u8 b1; |
| /* We can't expose disk devices because we can't tell whether they |
| * are the raw container drives or stand alone drives. If they have |
| * the removable bit set then we should expose them though. |
| */ |
| b = (*(u8*)scsicmd->buffer)&0x1f; |
| b1 = ((u8*)scsicmd->buffer)[1]; |
| if( b==TYPE_TAPE || b==TYPE_WORM || b==TYPE_ROM || b==TYPE_MOD|| b==TYPE_MEDIUM_CHANGER |
| || (b==TYPE_DISK && (b1&0x80)) ){ |
| scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8; |
| /* |
| * We will allow disk devices if in RAID/SCSI mode and |
| * the channel is 2 |
| */ |
| } else if ((dev->raid_scsi_mode) && |
| (scsicmd->device->channel == 2)) { |
| scsicmd->result = DID_OK << 16 | |
| COMMAND_COMPLETE << 8; |
| } else { |
| scsicmd->result = DID_NO_CONNECT << 16 | |
| COMMAND_COMPLETE << 8; |
| } |
| } else { |
| scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8; |
| } |
| break; |
| case SRB_STATUS_DATA_OVERRUN: |
| switch(scsicmd->cmnd[0]){ |
| case READ_6: |
| case WRITE_6: |
| case READ_10: |
| case WRITE_10: |
| case READ_12: |
| case WRITE_12: |
| if(le32_to_cpu(srbreply->data_xfer_length) < scsicmd->underflow ) { |
| printk(KERN_WARNING"aacraid: SCSI CMD underflow\n"); |
| } else { |
| printk(KERN_WARNING"aacraid: SCSI CMD Data Overrun\n"); |
| } |
| scsicmd->result = DID_ERROR << 16 | COMMAND_COMPLETE << 8; |
| break; |
| case INQUIRY: { |
| u8 b; |
| u8 b1; |
| /* We can't expose disk devices because we can't tell whether they |
| * are the raw container drives or stand alone drives |
| */ |
| b = (*(u8*)scsicmd->buffer)&0x0f; |
| b1 = ((u8*)scsicmd->buffer)[1]; |
| if( b==TYPE_TAPE || b==TYPE_WORM || b==TYPE_ROM || b==TYPE_MOD|| b==TYPE_MEDIUM_CHANGER |
| || (b==TYPE_DISK && (b1&0x80)) ){ |
| scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8; |
| /* |
| * We will allow disk devices if in RAID/SCSI mode and |
| * the channel is 2 |
| */ |
| } else if ((dev->raid_scsi_mode) && |
| (scsicmd->device->channel == 2)) { |
| scsicmd->result = DID_OK << 16 | |
| COMMAND_COMPLETE << 8; |
| } else { |
| scsicmd->result = DID_NO_CONNECT << 16 | |
| COMMAND_COMPLETE << 8; |
| } |
| break; |
| } |
| default: |
| scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8; |
| break; |
| } |
| break; |
| case SRB_STATUS_ABORTED: |
| scsicmd->result = DID_ABORT << 16 | ABORT << 8; |
| break; |
| case SRB_STATUS_ABORT_FAILED: |
| // Not sure about this one - but assuming the hba was trying to abort for some reason |
| scsicmd->result = DID_ERROR << 16 | ABORT << 8; |
| break; |
| case SRB_STATUS_PARITY_ERROR: |
| scsicmd->result = DID_PARITY << 16 | MSG_PARITY_ERROR << 8; |
| break; |
| case SRB_STATUS_NO_DEVICE: |
| case SRB_STATUS_INVALID_PATH_ID: |
| case SRB_STATUS_INVALID_TARGET_ID: |
| case SRB_STATUS_INVALID_LUN: |
| case SRB_STATUS_SELECTION_TIMEOUT: |
| scsicmd->result = DID_NO_CONNECT << 16 | COMMAND_COMPLETE << 8; |
| break; |
| |
| case SRB_STATUS_COMMAND_TIMEOUT: |
| case SRB_STATUS_TIMEOUT: |
| scsicmd->result = DID_TIME_OUT << 16 | COMMAND_COMPLETE << 8; |
| break; |
| |
| case SRB_STATUS_BUSY: |
| scsicmd->result = DID_NO_CONNECT << 16 | COMMAND_COMPLETE << 8; |
| break; |
| |
| case SRB_STATUS_BUS_RESET: |
| scsicmd->result = DID_RESET << 16 | COMMAND_COMPLETE << 8; |
| break; |
| |
| case SRB_STATUS_MESSAGE_REJECTED: |
| scsicmd->result = DID_ERROR << 16 | MESSAGE_REJECT << 8; |
| break; |
| case SRB_STATUS_REQUEST_FLUSHED: |
| case SRB_STATUS_ERROR: |
| case SRB_STATUS_INVALID_REQUEST: |
| case SRB_STATUS_REQUEST_SENSE_FAILED: |
| case SRB_STATUS_NO_HBA: |
| case SRB_STATUS_UNEXPECTED_BUS_FREE: |
| case SRB_STATUS_PHASE_SEQUENCE_FAILURE: |
| case SRB_STATUS_BAD_SRB_BLOCK_LENGTH: |
| case SRB_STATUS_DELAYED_RETRY: |
| case SRB_STATUS_BAD_FUNCTION: |
| case SRB_STATUS_NOT_STARTED: |
| case SRB_STATUS_NOT_IN_USE: |
| case SRB_STATUS_FORCE_ABORT: |
| case SRB_STATUS_DOMAIN_VALIDATION_FAIL: |
| default: |
| #ifdef AAC_DETAILED_STATUS_INFO |
| printk("aacraid: SRB ERROR(%u) %s scsi cmd 0x%x - scsi status 0x%x\n", |
| le32_to_cpu(srbreply->srb_status) & 0x3F, |
| aac_get_status_string( |
| le32_to_cpu(srbreply->srb_status) & 0x3F), |
| scsicmd->cmnd[0], |
| le32_to_cpu(srbreply->scsi_status)); |
| #endif |
| scsicmd->result = DID_ERROR << 16 | COMMAND_COMPLETE << 8; |
| break; |
| } |
| if (le32_to_cpu(srbreply->scsi_status) == 0x02 ){ // Check Condition |
| int len; |
| scsicmd->result |= SAM_STAT_CHECK_CONDITION; |
| len = (le32_to_cpu(srbreply->sense_data_size) > |
| sizeof(scsicmd->sense_buffer)) ? |
| sizeof(scsicmd->sense_buffer) : |
| le32_to_cpu(srbreply->sense_data_size); |
| #ifdef AAC_DETAILED_STATUS_INFO |
| dprintk((KERN_WARNING "aac_srb_callback: check condition, status = %d len=%d\n", |
| le32_to_cpu(srbreply->status), len)); |
| #endif |
| memcpy(scsicmd->sense_buffer, srbreply->sense_data, len); |
| |
| } |
| /* |
| * OR in the scsi status (already shifted up a bit) |
| */ |
| scsicmd->result |= le32_to_cpu(srbreply->scsi_status); |
| |
| fib_complete(fibptr); |
| fib_free(fibptr); |
| aac_io_done(scsicmd); |
| } |
| |
| /** |
| * |
| * aac_send_scb_fib |
| * @scsicmd: the scsi command block |
| * |
| * This routine will form a FIB and fill in the aac_srb from the |
| * scsicmd passed in. |
| */ |
| |
| static int aac_send_srb_fib(struct scsi_cmnd* scsicmd) |
| { |
| struct fib* cmd_fibcontext; |
| struct aac_dev* dev; |
| int status; |
| struct aac_srb *srbcmd; |
| u16 fibsize; |
| u32 flag; |
| u32 timeout; |
| |
| if( scsicmd->device->id > 15 || scsicmd->device->lun > 7) { |
| scsicmd->result = DID_NO_CONNECT << 16; |
| scsicmd->scsi_done(scsicmd); |
| return 0; |
| } |
| |
| dev = (struct aac_dev *)scsicmd->device->host->hostdata; |
| switch(scsicmd->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; |
| } |
| |
| |
| /* |
| * Allocate and initialize a Fib then setup a BlockWrite command |
| */ |
| if (!(cmd_fibcontext = fib_alloc(dev))) { |
| return -1; |
| } |
| fib_init(cmd_fibcontext); |
| |
| srbcmd = (struct aac_srb*) fib_data(cmd_fibcontext); |
| srbcmd->function = cpu_to_le32(SRBF_ExecuteScsi); |
| srbcmd->channel = cpu_to_le32(aac_logical_to_phys(scsicmd->device->channel)); |
| srbcmd->id = cpu_to_le32(scsicmd->device->id); |
| srbcmd->lun = cpu_to_le32(scsicmd->device->lun); |
| srbcmd->flags = cpu_to_le32(flag); |
| timeout = (scsicmd->timeout-jiffies)/HZ; |
| if(timeout == 0){ |
| timeout = 1; |
| } |
| srbcmd->timeout = cpu_to_le32(timeout); // timeout in seconds |
| srbcmd->retry_limit = 0; /* Obsolete parameter */ |
| srbcmd->cdb_size = cpu_to_le32(scsicmd->cmd_len); |
| |
| if( dev->dac_support == 1 ) { |
| aac_build_sg64(scsicmd, (struct sgmap64*) &srbcmd->sg); |
| srbcmd->count = cpu_to_le32(scsicmd->request_bufflen); |
| |
| memset(srbcmd->cdb, 0, sizeof(srbcmd->cdb)); |
| memcpy(srbcmd->cdb, scsicmd->cmnd, scsicmd->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 > (sizeof(struct hw_fib) - |
| sizeof(struct aac_fibhdr))); |
| |
| /* |
| * Now send the Fib to the adapter |
| */ |
| status = fib_send(ScsiPortCommand64, cmd_fibcontext, |
| fibsize, FsaNormal, 0, 1, |
| (fib_callback) aac_srb_callback, |
| (void *) scsicmd); |
| } else { |
| aac_build_sg(scsicmd, (struct sgmap*)&srbcmd->sg); |
| srbcmd->count = cpu_to_le32(scsicmd->request_bufflen); |
| |
| memset(srbcmd->cdb, 0, sizeof(srbcmd->cdb)); |
| memcpy(srbcmd->cdb, scsicmd->cmnd, scsicmd->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 > (sizeof(struct hw_fib) - |
| sizeof(struct aac_fibhdr))); |
| |
| /* |
| * Now send the Fib to the adapter |
| */ |
| status = fib_send(ScsiPortCommand, cmd_fibcontext, fibsize, FsaNormal, 0, 1, |
| (fib_callback) aac_srb_callback, (void *) scsicmd); |
| } |
| /* |
| * Check that the command queued to the controller |
| */ |
| if (status == -EINPROGRESS){ |
| return 0; |
| } |
| |
| printk(KERN_WARNING "aac_srb: fib_send failed with status: %d\n", status); |
| fib_complete(cmd_fibcontext); |
| fib_free(cmd_fibcontext); |
| |
| return -1; |
| } |
| |
| static unsigned long aac_build_sg(struct scsi_cmnd* scsicmd, struct sgmap* psg) |
| { |
| struct aac_dev *dev; |
| unsigned long byte_count = 0; |
| |
| dev = (struct aac_dev *)scsicmd->device->host->hostdata; |
| // Get rid of old data |
| psg->count = 0; |
| psg->sg[0].addr = 0; |
| psg->sg[0].count = 0; |
| if (scsicmd->use_sg) { |
| struct scatterlist *sg; |
| int i; |
| int sg_count; |
| sg = (struct scatterlist *) scsicmd->request_buffer; |
| |
| sg_count = pci_map_sg(dev->pdev, sg, scsicmd->use_sg, |
| scsicmd->sc_data_direction); |
| psg->count = cpu_to_le32(sg_count); |
| |
| byte_count = 0; |
| |
| for (i = 0; i < sg_count; 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); |
| sg++; |
| } |
| /* hba wants the size to be exact */ |
| if(byte_count > scsicmd->request_bufflen){ |
| psg->sg[i-1].count -= (byte_count - scsicmd->request_bufflen); |
| byte_count = scsicmd->request_bufflen; |
| } |
| /* 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); |
| } |
| } |
| else if(scsicmd->request_bufflen) { |
| dma_addr_t addr; |
| addr = pci_map_single(dev->pdev, |
| scsicmd->request_buffer, |
| scsicmd->request_bufflen, |
| scsicmd->sc_data_direction); |
| psg->count = cpu_to_le32(1); |
| psg->sg[0].addr = cpu_to_le32(addr); |
| psg->sg[0].count = cpu_to_le32(scsicmd->request_bufflen); |
| scsicmd->SCp.dma_handle = addr; |
| byte_count = scsicmd->request_bufflen; |
| } |
| return byte_count; |
| } |
| |
| |
| static unsigned long aac_build_sg64(struct scsi_cmnd* scsicmd, struct sgmap64* psg) |
| { |
| struct aac_dev *dev; |
| unsigned long byte_count = 0; |
| u64 le_addr; |
| |
| dev = (struct aac_dev *)scsicmd->device->host->hostdata; |
| // Get rid of old data |
| psg->count = 0; |
| psg->sg[0].addr[0] = 0; |
| psg->sg[0].addr[1] = 0; |
| psg->sg[0].count = 0; |
| if (scsicmd->use_sg) { |
| struct scatterlist *sg; |
| int i; |
| int sg_count; |
| sg = (struct scatterlist *) scsicmd->request_buffer; |
| |
| sg_count = pci_map_sg(dev->pdev, sg, scsicmd->use_sg, |
| scsicmd->sc_data_direction); |
| psg->count = cpu_to_le32(sg_count); |
| |
| byte_count = 0; |
| |
| for (i = 0; i < sg_count; i++) { |
| le_addr = cpu_to_le64(sg_dma_address(sg)); |
| psg->sg[i].addr[1] = (u32)(le_addr>>32); |
| psg->sg[i].addr[0] = (u32)(le_addr & 0xffffffff); |
| psg->sg[i].count = cpu_to_le32(sg_dma_len(sg)); |
| byte_count += sg_dma_len(sg); |
| sg++; |
| } |
| /* hba wants the size to be exact */ |
| if(byte_count > scsicmd->request_bufflen){ |
| psg->sg[i-1].count -= (byte_count - scsicmd->request_bufflen); |
| byte_count = scsicmd->request_bufflen; |
| } |
| /* 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); |
| } |
| } |
| else if(scsicmd->request_bufflen) { |
| dma_addr_t addr; |
| addr = pci_map_single(dev->pdev, |
| scsicmd->request_buffer, |
| scsicmd->request_bufflen, |
| scsicmd->sc_data_direction); |
| psg->count = cpu_to_le32(1); |
| le_addr = cpu_to_le64(addr); |
| psg->sg[0].addr[1] = (u32)(le_addr>>32); |
| psg->sg[0].addr[0] = (u32)(le_addr & 0xffffffff); |
| psg->sg[0].count = cpu_to_le32(scsicmd->request_bufflen); |
| scsicmd->SCp.dma_handle = addr; |
| byte_count = scsicmd->request_bufflen; |
| } |
| 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 < (sizeof(srb_status_info)/sizeof(struct aac_srb_status_info)); i++ ){ |
| if(srb_status_info[i].status == status){ |
| return srb_status_info[i].str; |
| } |
| } |
| |
| return "Bad Status Code"; |
| } |
| |
| #endif |