diff options
Diffstat (limited to 'drivers/scsi/aacraid/aachba.c')
| -rw-r--r-- | drivers/scsi/aacraid/aachba.c | 138 |
1 files changed, 138 insertions, 0 deletions
diff --git a/drivers/scsi/aacraid/aachba.c b/drivers/scsi/aacraid/aachba.c index 80d42070edf0..a26baab09dbf 100644 --- a/drivers/scsi/aacraid/aachba.c +++ b/drivers/scsi/aacraid/aachba.c @@ -751,6 +751,101 @@ static void setinqstr(struct aac_dev *dev, void *data, int tindex) inqstrcpy ("V1.0", str->prl); } +static void get_container_serial_callback(void *context, struct fib * fibptr) +{ + struct aac_get_serial_resp * get_serial_reply; + struct scsi_cmnd * scsicmd; + + BUG_ON(fibptr == NULL); + + scsicmd = (struct scsi_cmnd *) context; + if (!aac_valid_context(scsicmd, fibptr)) + return; + + get_serial_reply = (struct aac_get_serial_resp *) fib_data(fibptr); + /* Failure is irrelevant, using default value instead */ + if (le32_to_cpu(get_serial_reply->status) == CT_OK) { + char sp[13]; + /* EVPD bit set */ + sp[0] = INQD_PDT_DA; + sp[1] = scsicmd->cmnd[2]; + sp[2] = 0; + sp[3] = snprintf(sp+4, sizeof(sp)-4, "%08X", + le32_to_cpu(get_serial_reply->uid)); + aac_internal_transfer(scsicmd, sp, 0, sizeof(sp)); + } + + scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; + + aac_fib_complete(fibptr); + aac_fib_free(fibptr); + scsicmd->scsi_done(scsicmd); +} + +/** + * aac_get_container_serial - get container serial, none blocking. + */ +static int aac_get_container_serial(struct scsi_cmnd * scsicmd) +{ + int status; + struct aac_get_serial *dinfo; + struct fib * cmd_fibcontext; + struct aac_dev * dev; + + dev = (struct aac_dev *)scsicmd->device->host->hostdata; + + if (!(cmd_fibcontext = aac_fib_alloc(dev))) + return -ENOMEM; + + aac_fib_init(cmd_fibcontext); + dinfo = (struct aac_get_serial *) fib_data(cmd_fibcontext); + + dinfo->command = cpu_to_le32(VM_ContainerConfig); + dinfo->type = cpu_to_le32(CT_CID_TO_32BITS_UID); + dinfo->cid = cpu_to_le32(scmd_id(scsicmd)); + + status = aac_fib_send(ContainerCommand, + cmd_fibcontext, + sizeof (struct aac_get_serial), + FsaNormal, + 0, 1, + (fib_callback) get_container_serial_callback, + (void *) scsicmd); + + /* + * Check that the command queued to the controller + */ + if (status == -EINPROGRESS) { + scsicmd->SCp.phase = AAC_OWNER_FIRMWARE; + return 0; + } + + printk(KERN_WARNING "aac_get_container_serial: aac_fib_send failed with status: %d.\n", status); + aac_fib_complete(cmd_fibcontext); + aac_fib_free(cmd_fibcontext); + return -1; +} + +/* Function: setinqserial + * + * Arguments: [1] pointer to void [1] int + * + * Purpose: Sets SCSI Unit Serial number. + * This is a fake. We should read a proper + * serial number from the container. <SuSE>But + * without docs it's quite hard to do it :-) + * So this will have to do in the meantime.</SuSE> + */ + +static int setinqserial(struct aac_dev *dev, void *data, int cid) +{ + /* + * This breaks array migration. + */ + return snprintf((char *)(data), sizeof(struct scsi_inq) - 4, "%08X%02X", + le32_to_cpu(dev->adapter_info.serial[0]), cid); +} + static 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, @@ -1798,6 +1893,49 @@ int aac_scsi_cmd(struct scsi_cmnd * scsicmd) dprintk((KERN_DEBUG "INQUIRY command, ID: %d.\n", cid)); memset(&inq_data, 0, sizeof (struct inquiry_data)); + if (scsicmd->cmnd[1] & 0x1 ) { + char *arr = (char *)&inq_data; + + /* EVPD bit set */ + arr[0] = (scmd_id(scsicmd) == host->this_id) ? + INQD_PDT_PROC : INQD_PDT_DA; + if (scsicmd->cmnd[2] == 0) { + /* supported vital product data pages */ + arr[3] = 2; + arr[4] = 0x0; + arr[5] = 0x80; + arr[1] = scsicmd->cmnd[2]; + aac_internal_transfer(scsicmd, &inq_data, 0, + sizeof(inq_data)); + scsicmd->result = DID_OK << 16 | + COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; + } else if (scsicmd->cmnd[2] == 0x80) { + /* unit serial number page */ + arr[3] = setinqserial(dev, &arr[4], + scmd_id(scsicmd)); + arr[1] = scsicmd->cmnd[2]; + aac_internal_transfer(scsicmd, &inq_data, 0, + sizeof(inq_data)); + return aac_get_container_serial(scsicmd); + } else { + /* vpd page not implemented */ + 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_CDB_FIELD, + ASENCODE_NO_SENSE, 0, 7, 2, 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; + } inq_data.inqd_ver = 2; /* claim compliance to SCSI-2 */ inq_data.inqd_rdf = 2; /* A response data format value of two indicates that the data shall be in the format specified in SCSI-2 */ inq_data.inqd_len = 31; |