diff options
Diffstat (limited to 'drivers/scsi/megaraid/megaraid_sas.c')
-rw-r--r-- | drivers/scsi/megaraid/megaraid_sas.c | 57 |
1 files changed, 22 insertions, 35 deletions
diff --git a/drivers/scsi/megaraid/megaraid_sas.c b/drivers/scsi/megaraid/megaraid_sas.c index 7de267e14458..39729460b00e 100644 --- a/drivers/scsi/megaraid/megaraid_sas.c +++ b/drivers/scsi/megaraid/megaraid_sas.c @@ -772,8 +772,6 @@ megasas_queue_command(struct scsi_cmnd *scmd, void (*done) (struct scsi_cmnd *)) goto out_return_cmd; cmd->scmd = scmd; - scmd->SCp.ptr = (char *)cmd; - scmd->SCp.sent_command = jiffies; /* * Issue the command to the FW @@ -793,6 +791,26 @@ megasas_queue_command(struct scsi_cmnd *scmd, void (*done) (struct scsi_cmnd *)) return 0; } +static int megasas_slave_configure(struct scsi_device *sdev) +{ + /* + * Don't export physical disk devices to the disk driver. + * + * FIXME: Currently we don't export them to the midlayer at all. + * That will be fixed once LSI engineers have audited the + * firmware for possible issues. + */ + if (sdev->channel < MEGASAS_MAX_PD_CHANNELS && sdev->type == TYPE_DISK) + return -ENXIO; + + /* + * The RAID firmware may require extended timeouts. + */ + if (sdev->channel >= MEGASAS_MAX_PD_CHANNELS) + sdev->timeout = 90 * HZ; + return 0; +} + /** * megasas_wait_for_outstanding - Wait for all outstanding cmds * @instance: Adapter soft state @@ -861,23 +879,6 @@ static int megasas_generic_reset(struct scsi_cmnd *scmd) return ret_val; } -static enum scsi_eh_timer_return megasas_reset_timer(struct scsi_cmnd *scmd) -{ - unsigned long seconds; - - if (scmd->SCp.ptr) { - seconds = (jiffies - scmd->SCp.sent_command) / HZ; - - if (seconds < 90) { - return EH_RESET_TIMER; - } else { - return EH_NOT_HANDLED; - } - } - - return EH_HANDLED; -} - /** * megasas_reset_device - Device reset handler entry point */ @@ -901,7 +902,7 @@ static int megasas_reset_bus_host(struct scsi_cmnd *scmd) int ret; /* - * Frist wait for all commands to complete + * First wait for all commands to complete */ ret = megasas_generic_reset(scmd); @@ -943,11 +944,11 @@ static struct scsi_host_template megasas_template = { .module = THIS_MODULE, .name = "LSI Logic SAS based MegaRAID driver", .proc_name = "megaraid_sas", + .slave_configure = megasas_slave_configure, .queuecommand = megasas_queue_command, .eh_device_reset_handler = megasas_reset_device, .eh_bus_reset_handler = megasas_reset_bus_host, .eh_host_reset_handler = megasas_reset_bus_host, - .eh_timed_out = megasas_reset_timer, .use_clustering = ENABLE_CLUSTERING, }; @@ -1071,20 +1072,6 @@ megasas_complete_cmd(struct megasas_instance *instance, struct megasas_cmd *cmd, break; } - /* - * Don't export physical disk devices to mid-layer. - */ - if (!MEGASAS_IS_LOGICAL(cmd->scmd) && - (hdr->cmd_status == MFI_STAT_OK) && - (cmd->scmd->cmnd[0] == INQUIRY)) { - - if (((*(u8 *) cmd->scmd->request_buffer) & 0x1F) == - TYPE_DISK) { - cmd->scmd->result = DID_BAD_TARGET << 16; - exception = 1; - } - } - case MFI_CMD_LD_READ: case MFI_CMD_LD_WRITE: |