diff options
| -rw-r--r-- | drivers/scsi/megaraid/megaraid_sas.c | 66 | ||||
| -rw-r--r-- | drivers/scsi/megaraid/megaraid_sas.h | 1 |
2 files changed, 45 insertions, 22 deletions
diff --git a/drivers/scsi/megaraid/megaraid_sas.c b/drivers/scsi/megaraid/megaraid_sas.c index 0791d62b167..c730bb14543 100644 --- a/drivers/scsi/megaraid/megaraid_sas.c +++ b/drivers/scsi/megaraid/megaraid_sas.c @@ -1271,11 +1271,6 @@ megasas_complete_cmd(struct megasas_instance *instance, struct megasas_cmd *cmd, static int megasas_deplete_reply_queue(struct megasas_instance *instance, u8 alt_status) { - u32 producer; - u32 consumer; - u32 context; - struct megasas_cmd *cmd; - /* * Check if it is our interrupt * Clear the interrupt @@ -1283,23 +1278,10 @@ megasas_deplete_reply_queue(struct megasas_instance *instance, u8 alt_status) if(instance->instancet->clear_intr(instance->reg_set)) return IRQ_NONE; - producer = *instance->producer; - consumer = *instance->consumer; - - while (consumer != producer) { - context = instance->reply_queue[consumer]; - - cmd = instance->cmd_list[context]; - - megasas_complete_cmd(instance, cmd, alt_status); - - consumer++; - if (consumer == (instance->max_fw_cmds + 1)) { - consumer = 0; - } - } - - *instance->consumer = producer; + /* + * Schedule the tasklet for cmd completion + */ + tasklet_schedule(&instance->isr_tasklet); return IRQ_HANDLED; } @@ -1742,6 +1724,39 @@ megasas_get_ctrl_info(struct megasas_instance *instance, } /** + * megasas_complete_cmd_dpc - Returns FW's controller structure + * @instance_addr: Address of adapter soft state + * + * Tasklet to complete cmds + */ +void megasas_complete_cmd_dpc(unsigned long instance_addr) +{ + u32 producer; + u32 consumer; + u32 context; + struct megasas_cmd *cmd; + struct megasas_instance *instance = (struct megasas_instance *)instance_addr; + + producer = *instance->producer; + consumer = *instance->consumer; + + while (consumer != producer) { + context = instance->reply_queue[consumer]; + + cmd = instance->cmd_list[context]; + + megasas_complete_cmd(instance, cmd, DID_OK); + + consumer++; + if (consumer == (instance->max_fw_cmds + 1)) { + consumer = 0; + } + } + + *instance->consumer = producer; +} + +/** * megasas_init_mfi - Initializes the FW * @instance: Adapter soft state * @@ -1911,6 +1926,12 @@ static int megasas_init_mfi(struct megasas_instance *instance) kfree(ctrl_info); + /* + * Setup tasklet for cmd completion + */ + + tasklet_init(&instance->isr_tasklet, megasas_complete_cmd_dpc, + (unsigned long)instance); return 0; fail_fw_init: @@ -2470,6 +2491,7 @@ static void megasas_detach_one(struct pci_dev *pdev) scsi_remove_host(instance->host); megasas_flush_cache(instance); megasas_shutdown_controller(instance); + tasklet_kill(&instance->isr_tasklet); /* * Take the instance off the instance array. Note that we will not diff --git a/drivers/scsi/megaraid/megaraid_sas.h b/drivers/scsi/megaraid/megaraid_sas.h index ad7ef744406..c79e55aa916 100644 --- a/drivers/scsi/megaraid/megaraid_sas.h +++ b/drivers/scsi/megaraid/megaraid_sas.h @@ -1102,6 +1102,7 @@ struct megasas_instance { u32 hw_crit_error; struct megasas_instance_template *instancet; + struct tasklet_struct isr_tasklet; }; #define MEGASAS_IS_LOGICAL(scp) \ |