aachba.c
上传用户:jlfgdled
上传日期:2013-04-10
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文件大小:48k
- /*
- * 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/config.h>
- #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 <asm/semaphore.h>
- #include <asm/uaccess.h>
- #define MAJOR_NR SCSI_DISK0_MAJOR /* For DEVICE_NR() */
- #include <linux/blk.h>
- #include "scsi.h"
- #include "hosts.h"
- #include "sd.h"
- #include "aacraid.h"
- /* SCSI Commands */
- /* TODO: dmb - use the ones defined in include/scsi/scsi.h */
- #define SS_TEST 0x00 /* Test unit ready */
- #define SS_REZERO 0x01 /* Rezero unit */
- #define SS_REQSEN 0x03 /* Request Sense */
- #define SS_REASGN 0x07 /* Reassign blocks */
- #define SS_READ 0x08 /* Read 6 */
- #define SS_WRITE 0x0A /* Write 6 */
- #define SS_INQUIR 0x12 /* inquiry */
- #define SS_ST_SP 0x1B /* Start/Stop unit */
- #define SS_LOCK 0x1E /* prevent/allow medium removal */
- #define SS_RESERV 0x16 /* Reserve */
- #define SS_RELES 0x17 /* Release */
- #define SS_MODESEN 0x1A /* Mode Sense 6 */
- #define SS_RDCAP 0x25 /* Read Capacity */
- #define SM_READ 0x28 /* Read 10 */
- #define SM_WRITE 0x2A /* Write 10 */
- #define SS_SEEK 0x2B /* Seek */
- /* 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 TARGET_LUN_TO_CONTAINER(target, lun) (target)
- #define CONTAINER_TO_TARGET(cont) ((cont))
- #define CONTAINER_TO_LUN(cont) (0)
- #define MAX_FIB_DATA (sizeof(struct hw_fib) - sizeof(FIB_HEADER))
- #define MAX_DRIVER_SG_SEGMENT_COUNT 17
- /*
- * Sense keys
- */
- #define SENKEY_NO_SENSE 0x00
- #define SENKEY_UNDEFINED 0x01
- #define SENKEY_NOT_READY 0x02
- #define SENKEY_MEDIUM_ERR 0x03
- #define SENKEY_HW_ERR 0x04
- #define SENKEY_ILLEGAL 0x05
- #define SENKEY_ATTENTION 0x06
- #define SENKEY_PROTECTED 0x07
- #define SENKEY_BLANK 0x08
- #define SENKEY_V_UNIQUE 0x09
- #define SENKEY_CPY_ABORT 0x0A
- #define SENKEY_ABORT 0x0B
- #define SENKEY_EQUAL 0x0C
- #define SENKEY_VOL_OVERFLOW 0x0D
- #define SENKEY_MISCOMP 0x0E
- #define SENKEY_RESERVED 0x0F
- /*
- * 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 */
- };
- struct sense_data {
- u8 error_code; /* 70h (current errors), 71h(deferred errors) */
- u8 valid:1; /* A valid bit of one indicates that the information */
- /* field contains valid information as defined in the
- * SCSI-2 Standard.
- */
- u8 segment_number; /* Only used for COPY, COMPARE, or COPY AND VERIFY Commands */
- u8 sense_key:4; /* Sense Key */
- u8 reserved:1;
- u8 ILI:1; /* Incorrect Length Indicator */
- u8 EOM:1; /* End Of Medium - reserved for random access devices */
- u8 filemark:1; /* Filemark - reserved for random access devices */
- u8 information[4]; /* for direct-access devices, contains the unsigned
- * logical block address or residue associated with
- * the sense key
- */
- u8 add_sense_len; /* number of additional sense bytes to follow this field */
- u8 cmnd_info[4]; /* not used */
- u8 ASC; /* Additional Sense Code */
- u8 ASCQ; /* Additional Sense Code Qualifier */
- u8 FRUC; /* Field Replaceable Unit Code - not used */
- u8 bit_ptr:3; /* indicates which byte of the CDB or parameter data
- * was in error
- */
- u8 BPV:1; /* bit pointer valid (BPV): 1- indicates that
- * the bit_ptr field has valid value
- */
- u8 reserved2:2;
- u8 CD:1; /* command data bit: 1- illegal parameter in CDB.
- * 0- illegal parameter in data.
- */
- u8 SKSV:1;
- u8 field_ptr[2]; /* byte of the CDB or parameter data in error */
- };
- /*
- * M O D U L E G L O B A L S
- */
-
- static struct fsa_scsi_hba *fsa_dev[MAXIMUM_NUM_ADAPTERS]; /* SCSI Device Instance Pointers */
- static struct sense_data sense_data[MAXIMUM_NUM_CONTAINERS];
- static void get_sd_devname(int disknum, char *buffer);
- static unsigned long aac_build_sg(Scsi_Cmnd* scsicmd, struct sgmap* sgmap);
- static unsigned long aac_build_sg64(Scsi_Cmnd* scsicmd, struct sgmap64* psg);
- static int aac_send_srb_fib(Scsi_Cmnd* scsicmd);
- #ifdef AAC_DETAILED_STATUS_INFO
- static char *aac_get_status_string(u32 status);
- #endif
- /**
- * 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_scsi_hba *fsa_dev_ptr;
- u32 index, status = 0;
- 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;
- for (index = 0; index < MAXIMUM_NUM_CONTAINERS; index++) {
- 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 "ProbeContainers: SendFIB failed.n");
- break;
- }
- dresp = (struct aac_mount *)fib_data(fibptr);
- if ((le32_to_cpu(dresp->status) == ST_OK) &&
- (le32_to_cpu(dresp->mnt[0].vol) != CT_NONE)) {
- fsa_dev_ptr->valid[index] = 1;
- fsa_dev_ptr->type[index] = le32_to_cpu(dresp->mnt[0].vol);
- fsa_dev_ptr->size[index] = le32_to_cpu(dresp->mnt[0].capacity);
- if (le32_to_cpu(dresp->mnt[0].state) & FSCS_READONLY)
- fsa_dev_ptr->ro[index] = 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);
- fsa_dev[instance] = fsa_dev_ptr;
- return status;
- }
- /**
- * 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_scsi_hba structure rather than returned.
- */
-
- static int probe_container(struct aac_dev *dev, int cid)
- {
- struct fsa_scsi_hba *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)) {
- fsa_dev_ptr->valid[cid] = 1;
- fsa_dev_ptr->type[cid] = le32_to_cpu(dresp->mnt[0].vol);
- fsa_dev_ptr->size[cid] = le32_to_cpu(dresp->mnt[0].capacity);
- if (le32_to_cpu(dresp->mnt[0].state) & FSCS_READONLY)
- fsa_dev_ptr->ro[cid] = 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
- */
- 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;
- char *findit;
- 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 */
- findit = str->pid;
- for ( ; *findit != ' '; findit++); /* walk till we find a space then incr by 1 */
- findit++;
-
- if (tindex < (sizeof(container_types)/sizeof(char *))){
- inqstrcpy (container_types[tindex], findit);
- }
- inqstrcpy ("V1.0", str->prl);
- }
- 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 == SENKEY_ILLEGAL)
- 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 == SENKEY_ILLEGAL) {
- 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 */
- }
- }
- static void aac_io_done(Scsi_Cmnd * scsicmd)
- {
- unsigned long cpu_flags;
- spin_lock_irqsave(&io_request_lock, cpu_flags);
- scsicmd->scsi_done(scsicmd);
- spin_unlock_irqrestore(&io_request_lock, cpu_flags);
- }
- static void __aac_io_done(Scsi_Cmnd * scsicmd)
- {
- scsicmd->scsi_done(scsicmd);
- }
- 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 = dev->adapter_info.kernelrev;
- printk(KERN_INFO "%s%d: kernel %d.%d.%d build %dn",
- dev->name, dev->id,
- tmp>>24,(tmp>>16)&0xff,(tmp>>8)&0xff,
- dev->adapter_info.kernelbuild);
- tmp = dev->adapter_info.monitorrev;
- printk(KERN_INFO "%s%d: monitor %d.%d.%d build %dn",
- dev->name, dev->id,
- tmp>>24,(tmp>>16)&0xff,(tmp>>8)&0xff,
- dev->adapter_info.monitorbuild);
- tmp = dev->adapter_info.biosrev;
- printk(KERN_INFO "%s%d: bios %d.%d.%d build %dn",
- dev->name, dev->id,
- tmp>>24,(tmp>>16)&0xff,(tmp>>8)&0xff,
- dev->adapter_info.biosbuild);
- printk(KERN_INFO "%s%d: serial %x%xn",
- dev->name, dev->id,
- dev->adapter_info.serial[0],
- dev->adapter_info.serial[1]);
- dev->pae_support = 0;
- dev->nondasd_support = 0;
- if( BITS_PER_LONG >= 64 &&
- (dev->adapter_info.options & AAC_OPT_SGMAP_HOST64)){
- printk(KERN_INFO "%s%d: 64 Bit PAE enabledn", dev->name, dev->id);
- dev->pae_support = 1;
- }
- /* TODO - dmb temporary until fw can set this bit */
- dev->pae_support = (BITS_PER_LONG >= 64);
- if(dev->pae_support != 0) {
- printk(KERN_INFO "%s%d: 64 Bit PAE enabledn", dev->name, dev->id);
- }
- if(dev->adapter_info.options & AAC_OPT_NONDASD){
- dev->nondasd_support = 1;
- }
- return rcode;
- }
- static void read_callback(void *context, struct fib * fibptr)
- {
- struct aac_dev *dev;
- struct aac_read_reply *readreply;
- Scsi_Cmnd *scsicmd;
- u32 lba;
- u32 cid;
- scsicmd = (Scsi_Cmnd *) context;
- dev = (struct aac_dev *)scsicmd->host->hostdata;
- cid =TARGET_LUN_TO_CONTAINER(scsicmd->target, scsicmd->lun);
- lba = ((scsicmd->cmnd[1] & 0x1F) << 16) | (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3];
- dprintk((KERN_DEBUG "read_callback[cpu %d]: lba = %d, 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,
- scsi_to_pci_dma_dir(scsicmd->sc_data_direction));
- else if(scsicmd->request_bufflen)
- pci_unmap_single(dev->pdev, (dma_addr_t)(unsigned long)scsicmd->SCp.ptr,
- scsicmd->request_bufflen,
- scsi_to_pci_dma_dir(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 | GOOD;
- else {
- printk(KERN_WARNING "read_callback: read failed, status = %dn", readreply->status);
- scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | CHECK_CONDITION;
- set_sense((u8 *) &sense_data[cid],
- SENKEY_HW_ERR,
- SENCODE_INTERNAL_TARGET_FAILURE,
- ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0,
- 0, 0);
- }
- 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;
- Scsi_Cmnd *scsicmd;
- u32 lba;
- u32 cid;
- scsicmd = (Scsi_Cmnd *) context;
- dev = (struct aac_dev *)scsicmd->host->hostdata;
- cid = TARGET_LUN_TO_CONTAINER(scsicmd->target, scsicmd->lun);
- lba = ((scsicmd->cmnd[1] & 0x1F) << 16) | (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3];
- dprintk((KERN_DEBUG "write_callback[cpu %d]: lba = %d, 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,
- scsi_to_pci_dma_dir(scsicmd->sc_data_direction));
- else if(scsicmd->request_bufflen)
- pci_unmap_single(dev->pdev, (dma_addr_t)(unsigned long)scsicmd->SCp.ptr,
- scsicmd->request_bufflen,
- scsi_to_pci_dma_dir(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 | GOOD;
- else {
- printk(KERN_WARNING "write_callback: write failed, status = %dn", writereply->status);
- scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | CHECK_CONDITION;
- set_sense((u8 *) &sense_data[cid],
- SENKEY_HW_ERR,
- SENCODE_INTERNAL_TARGET_FAILURE,
- ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0,
- 0, 0);
- }
- fib_complete(fibptr);
- fib_free(fibptr);
- aac_io_done(scsicmd);
- }
- int aac_read(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->host->hostdata;
- /*
- * Get block address and transfer length
- */
- if (scsicmd->cmnd[0] == SS_READ) /* 6 byte command */
- {
- dprintk((KERN_DEBUG "aachba: received a read(6) command on target %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 target %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))) {
- scsicmd->result = DID_ERROR << 16;
- aac_io_done(scsicmd);
- return (-1);
- }
- fib_init(cmd_fibcontext);
- if(dev->pae_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 = cpu_to_le16(0);
- readcmd->flags = cpu_to_le16(0);
-
- aac_build_sg64(scsicmd, &readcmd->sg);
- if(readcmd->sg.count > MAX_DRIVER_SG_SEGMENT_COUNT)
- BUG();
- fibsize = sizeof(struct aac_read64) + ((readcmd->sg.count - 1) * sizeof (struct sgentry64));
- /*
- * 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);
- if(readcmd->sg.count > MAX_DRIVER_SG_SEGMENT_COUNT)
- BUG();
- fibsize = sizeof(struct aac_read) + ((readcmd->sg.count - 1) * sizeof (struct sgentry));
- /*
- * 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 | QUEUE_FULL;
- aac_io_done(scsicmd);
- fib_complete(cmd_fibcontext);
- fib_free(cmd_fibcontext);
- return -1;
- }
- static int aac_write(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->host->hostdata;
- /*
- * Get block address and transfer length
- */
- if (scsicmd->cmnd[0] == SS_WRITE) /* 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 target %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 = %lu, t = %ld.n", smp_processor_id(), 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 -1;
- }
- fib_init(cmd_fibcontext);
- if(dev->pae_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 = cpu_to_le16(0);
- writecmd->flags = cpu_to_le16(0);
- aac_build_sg64(scsicmd, &writecmd->sg);
- if(writecmd->sg.count > MAX_DRIVER_SG_SEGMENT_COUNT)
- BUG();
- fibsize = sizeof(struct aac_write64) + ((writecmd->sg.count - 1) * sizeof (struct sgentry64));
- /*
- * 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);
- if(writecmd->sg.count > MAX_DRIVER_SG_SEGMENT_COUNT)
- BUG();
- fibsize = sizeof(struct aac_write) + ((writecmd->sg.count - 1) * sizeof (struct sgentry));
- /*
- * 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)
- return 0;
- printk(KERN_WARNING "aac_write: fib_send failed with status: %dn", status);
- /*
- * For some reason, the Fib didn't queue, return QUEUE_FULL
- */
- scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | QUEUE_FULL;
- aac_io_done(scsicmd);
- fib_complete(cmd_fibcontext);
- fib_free(cmd_fibcontext);
- return -1;
- }
- /**
- * aac_scsi_cmd() - Process SCSI command
- * @scsicmd: SCSI command block
- * @wait: 1 if the user wants to await completion
- *
- * Emulate a SCSI command and queue the required request for the
- * aacraid firmware.
- */
-
- int aac_scsi_cmd(Scsi_Cmnd * scsicmd)
- {
- u32 cid = 0;
- struct fsa_scsi_hba *fsa_dev_ptr;
- int cardtype;
- int ret;
- struct aac_dev *dev = (struct aac_dev *)scsicmd->host->hostdata;
-
- cardtype = dev->cardtype;
- fsa_dev_ptr = fsa_dev[scsicmd->host->unique_id];
- /*
- * If the bus, target or lun is out of range, return fail
- * Test does not apply to ID 16, the pseudo id for the controller
- * itself.
- */
- if (scsicmd->target != scsicmd->host->this_id) {
- if ((scsicmd->channel == 0) ){
- if( (scsicmd->target >= AAC_MAX_TARGET) || (scsicmd->lun != 0)){
- scsicmd->result = DID_NO_CONNECT << 16;
- __aac_io_done(scsicmd);
- return 0;
- }
- cid = TARGET_LUN_TO_CONTAINER(scsicmd->target, scsicmd->lun);
- /*
- * If the target container doesn't exist, it may have
- * been newly created
- */
- if (fsa_dev_ptr->valid[cid] == 0) {
- switch (scsicmd->cmnd[0]) {
- case SS_INQUIR:
- case SS_RDCAP:
- case SS_TEST:
- spin_unlock_irq(&io_request_lock);
- probe_container(dev, cid);
- spin_lock_irq(&io_request_lock);
- if (fsa_dev_ptr->valid[cid] == 0) {
- scsicmd->result = DID_NO_CONNECT << 16;
- __aac_io_done(scsicmd);
- return 0;
- }
- default:
- break;
- }
- }
- /*
- * If the target container still doesn't exist,
- * return failure
- */
- if (fsa_dev_ptr->valid[cid] == 0) {
- scsicmd->result = DID_BAD_TARGET << 16;
- __aac_io_done(scsicmd);
- return -1;
- }
- } 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;
- __aac_io_done(scsicmd);
- return 0;
- }
- }
- }
- /*
- * else Command for the controller itself
- */
- else if ((scsicmd->cmnd[0] != SS_INQUIR) && /* only INQUIRY & TUR cmnd supported for controller */
- (scsicmd->cmnd[0] != SS_TEST))
- {
- 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 | CHECK_CONDITION;
- set_sense((u8 *) &sense_data[cid],
- SENKEY_ILLEGAL,
- SENCODE_INVALID_COMMAND,
- ASENCODE_INVALID_COMMAND, 0, 0, 0, 0);
- __aac_io_done(scsicmd);
- return -1;
- }
- /* Handle commands here that don't really require going out to the adapter */
- switch (scsicmd->cmnd[0]) {
- case SS_INQUIR:
- {
- struct inquiry_data *inq_data_ptr;
- dprintk((KERN_DEBUG "INQUIRY command, ID: %d.n", scsicmd->target));
- 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
- */
- setinqstr(cardtype, (void *) (inq_data_ptr->inqd_vid), fsa_dev_ptr->type[cid]);
- if (scsicmd->target == scsicmd->host->this_id)
- inq_data_ptr->inqd_pdt = INQD_PDT_PROC; /* Processor device */
- else
- inq_data_ptr->inqd_pdt = INQD_PDT_DA; /* Direct/random access device */
- scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | GOOD;
- __aac_io_done(scsicmd);
- return 0;
- }
- case SS_RDCAP:
- {
- int capacity;
- char *cp;
- dprintk((KERN_DEBUG "READ CAPACITY command.n"));
- capacity = fsa_dev_ptr->size[cid] - 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 | GOOD;
- __aac_io_done(scsicmd);
- return 0;
- }
- case SS_MODESEN:
- {
- char *mode_buf;
- dprintk((KERN_DEBUG "MODE SENSE 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 | GOOD;
- __aac_io_done(scsicmd);
- return 0;
- }
- case SS_REQSEN:
- dprintk((KERN_DEBUG "REQUEST SENSE command.n"));
- memcpy(scsicmd->sense_buffer, &sense_data[cid], sizeof (struct sense_data));
- memset(&sense_data[cid], 0, sizeof (struct sense_data));
- scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | GOOD;
- __aac_io_done(scsicmd);
- return (0);
- case SS_LOCK:
- dprintk((KERN_DEBUG "LOCK command.n"));
- if (scsicmd->cmnd[4])
- fsa_dev_ptr->locked[cid] = 1;
- else
- fsa_dev_ptr->locked[cid] = 0;
- scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | GOOD;
- __aac_io_done(scsicmd);
- return 0;
- /*
- * These commands are all No-Ops
- */
- case SS_TEST:
- case SS_RESERV:
- case SS_RELES:
- case SS_REZERO:
- case SS_REASGN:
- case SS_SEEK:
- case SS_ST_SP:
- scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | GOOD;
- __aac_io_done(scsicmd);
- return (0);
- }
- switch (scsicmd->cmnd[0])
- {
- case SS_READ:
- case SM_READ:
- /*
- * 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(&io_request_lock);
- fsa_dev_ptr->devno[cid] = DEVICE_NR(scsicmd->request.rq_dev);
- ret = aac_read(scsicmd, cid);
- spin_lock_irq(&io_request_lock);
- return ret;
- case SS_WRITE:
- case SM_WRITE:
- spin_unlock_irq(&io_request_lock);
- ret = aac_write(scsicmd, cid);
- spin_lock_irq(&io_request_lock);
- return ret;
- default:
- /*
- * Unhandled commands
- */
- printk(KERN_WARNING "Unhandled SCSI Command: 0x%x.n", scsicmd->cmnd[0]);
- scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | CHECK_CONDITION;
- set_sense((u8 *) &sense_data[cid],
- SENKEY_ILLEGAL, SENCODE_INVALID_COMMAND,
- ASENCODE_INVALID_COMMAND, 0, 0, 0, 0);
- __aac_io_done(scsicmd);
- return -1;
- }
- }
- static int query_disk(struct aac_dev *dev, void *arg)
- {
- struct aac_query_disk qd;
- struct fsa_scsi_hba *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 = TARGET_LUN_TO_CONTAINER(qd.target, qd.lun);
- else if ((qd.bus == -1) && (qd.target == -1) && (qd.lun == -1))
- {
- if (qd.cnum < 0 || qd.cnum > MAXIMUM_NUM_CONTAINERS)
- return -EINVAL;
- qd.instance = dev->scsi_host_ptr->host_no;
- qd.bus = 0;
- qd.target = CONTAINER_TO_TARGET(qd.cnum);
- qd.lun = CONTAINER_TO_LUN(qd.cnum);
- }
- else return -EINVAL;
- qd.valid = fsa_dev_ptr->valid[qd.cnum];
- qd.locked = fsa_dev_ptr->locked[qd.cnum];
- qd.deleted = fsa_dev_ptr->deleted[qd.cnum];
- if (fsa_dev_ptr->devno[qd.cnum] == -1)
- qd.unmapped = 1;
- else
- qd.unmapped = 0;
- get_sd_devname(fsa_dev_ptr->devno[qd.cnum], qd.name);
- if (copy_to_user(arg, &qd, sizeof (struct aac_query_disk)))
- return -EFAULT;
- return 0;
- }
- static void get_sd_devname(int disknum, char *buffer)
- {
- if (disknum < 0) {
- sprintf(buffer, "%s", "");
- return;
- }
- if (disknum < 26)
- sprintf(buffer, "sd%c", 'a' + disknum);
- else {
- unsigned int min1;
- unsigned int min2;
- /*
- * For larger numbers of disks, we need to go to a new
- * naming scheme.
- */
- min1 = disknum / 26;
- min2 = disknum % 26;
- sprintf(buffer, "sd%c%c", 'a' + min1 - 1, 'a' + min2);
- }
- }
- static int force_delete_disk(struct aac_dev *dev, void *arg)
- {
- struct aac_delete_disk dd;
- struct fsa_scsi_hba *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 > MAXIMUM_NUM_CONTAINERS)
- return -EINVAL;
- /*
- * Mark this container as being deleted.
- */
- fsa_dev_ptr->deleted[dd.cnum] = 1;
- /*
- * Mark the container as no longer valid
- */
- fsa_dev_ptr->valid[dd.cnum] = 0;
- return 0;
- }
- static int delete_disk(struct aac_dev *dev, void *arg)
- {
- struct aac_delete_disk dd;
- struct fsa_scsi_hba *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 > MAXIMUM_NUM_CONTAINERS)
- return -EINVAL;
- /*
- * If the container is locked, it can not be deleted by the API.
- */
- if (fsa_dev_ptr->locked[dd.cnum])
- return -EBUSY;
- else {
- /*
- * Mark the container as no longer being valid.
- */
- fsa_dev_ptr->valid[dd.cnum] = 0;
- fsa_dev_ptr->devno[dd.cnum] = -1;
- return 0;
- }
- }
- int aac_dev_ioctl(struct aac_dev *dev, int cmd, void *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 2131:
- 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;
- Scsi_Cmnd *scsicmd;
- scsicmd = (Scsi_Cmnd *) context;
- dev = (struct aac_dev *)scsicmd->host->hostdata;
- if (fibptr == NULL)
- BUG();
- srbreply = (struct aac_srb_reply *) fib_data(fibptr);
- scsicmd->sense_buffer[0] = ''; // initialize sense valid flag to false
- // calculate resid for sg
- scsicmd->resid = scsicmd->request_bufflen - srbreply->data_xfer_length;
- if(scsicmd->use_sg)
- pci_unmap_sg(dev->pdev,
- (struct scatterlist *)scsicmd->buffer,
- scsicmd->use_sg,
- scsi_to_pci_dma_dir(scsicmd->sc_data_direction));
- else if(scsicmd->request_bufflen)
- pci_unmap_single(dev->pdev, (ulong)scsicmd->SCp.ptr, scsicmd->request_bufflen,
- scsi_to_pci_dma_dir(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 = %dn", le32_to_cpu(srbreply->status));
- len = (srbreply->sense_data_size > sizeof(scsicmd->sense_buffer))?
- sizeof(scsicmd->sense_buffer):srbreply->sense_data_size;
- scsicmd->result = DID_ERROR << 16 | COMMAND_COMPLETE << 8 | CHECK_CONDITION;
- memcpy(scsicmd->sense_buffer, srbreply->sense_data, len);
- }
- /*
- * Next check the srb status
- */
- switch(le32_to_cpu(srbreply->srb_status)){
- case SRB_STATUS_ERROR_RECOVERY:
- case SRB_STATUS_PENDING:
- case SRB_STATUS_SUCCESS:
- if(scsicmd->cmnd[0] == INQUIRY ){
- u8 b;
- /* 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;
- if( (b & 0x0f) == TYPE_DISK ){
- 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 underflown");
- } else {
- printk(KERN_WARNING"aacraid: SCSI CMD Data Overrunn");
- }
- scsicmd->result = DID_ERROR << 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 (%s)n",aac_get_status_string(le32_to_cpu(srbreply->srb_status)));
- #endif
- scsicmd->result = DID_ERROR << 16 | COMMAND_COMPLETE << 8;
- break;
- }
- if (le32_to_cpu(srbreply->scsi_status) == 0x02 ){ // Check Condition
- int len;
- len = (srbreply->sense_data_size > sizeof(scsicmd->sense_buffer))?
- sizeof(scsicmd->sense_buffer):srbreply->sense_data_size;
- printk(KERN_WARNING "aac_srb_callback: check condition, status = %d len=%dn", le32_to_cpu(srbreply->status), len);
- 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(Scsi_Cmnd* scsicmd)
- {
- struct fib* cmd_fibcontext;
- struct aac_dev* dev;
- int status;
- struct aac_srb *srbcmd;
- u16 fibsize;
- u32 flag;
- if( scsicmd->target > 15 || scsicmd->lun > 7) {
- scsicmd->result = DID_NO_CONNECT << 16;
- __aac_io_done(scsicmd);
- return 0;
- }
- dev = (struct aac_dev *)scsicmd->host->hostdata;
- switch(scsicmd->sc_data_direction){
- case SCSI_DATA_WRITE:
- flag = SRB_DataOut;
- break;
- case SCSI_DATA_UNKNOWN:
- flag = SRB_DataIn | SRB_DataOut;
- break;
- case SCSI_DATA_READ:
- flag = SRB_DataIn;
- break;
- case SCSI_DATA_NONE:
- default:
- flag = SRB_NoDataXfer;
- break;
- }
- /*
- * 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 -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->channel));
- srbcmd->target = cpu_to_le32(scsicmd->target);
- srbcmd->lun = cpu_to_le32(scsicmd->lun);
- srbcmd->flags = cpu_to_le32(flag);
- srbcmd->timeout = cpu_to_le32(0); // timeout not used
- srbcmd->retry_limit =cpu_to_le32(0); // Obsolete parameter
- srbcmd->cdb_size = cpu_to_le32(scsicmd->cmd_len);
-
- if( dev->pae_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) + (((srbcmd->sg.count & 0xff) - 1) * sizeof (struct sgentry64));
- /*
- * 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) + (((srbcmd->sg.count & 0xff) - 1) * sizeof (struct sgentry));
- /*
- * 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: %dn", status);
- /*
- * For some reason, the Fib didn't queue, return QUEUE_FULL
- */
- scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | QUEUE_FULL;
- __aac_io_done(scsicmd);
- fib_complete(cmd_fibcontext);
- fib_free(cmd_fibcontext);
- return -1;
- }
- static unsigned long aac_build_sg(Scsi_Cmnd* scsicmd, struct sgmap* psg)
- {
- struct aac_dev *dev;
- unsigned long byte_count = 0;
- dev = (struct aac_dev *)scsicmd->host->hostdata;
- // Get rid of old data
- psg->count = cpu_to_le32(0);
- psg->sg[0].addr = cpu_to_le32(NULL);
- psg->sg[0].count = cpu_to_le32(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,
- scsi_to_pci_dma_dir(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 %08Xn",
- 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,
- scsi_to_pci_dma_dir(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.ptr = (void *)addr;
- byte_count = scsicmd->request_bufflen;
- }
- return byte_count;
- }
- static unsigned long aac_build_sg64(Scsi_Cmnd* scsicmd, struct sgmap64* psg)
- {
- struct aac_dev *dev;
- unsigned long byte_count = 0;
- u64 le_addr;
- dev = (struct aac_dev *)scsicmd->host->hostdata;
- // Get rid of old data
- psg->count = cpu_to_le32(0);
- psg->sg[0].addr[0] = cpu_to_le32(NULL);
- psg->sg[0].addr[1] = cpu_to_le32(NULL);
- psg->sg[0].count = cpu_to_le32(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,
- scsi_to_pci_dma_dir(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 %08Xn",
- 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,
- scsi_to_pci_dma_dir(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.ptr = (void *)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