diff options
| -rw-r--r-- | drivers/scsi/megaraid/megaraid_sas.h | 8 | ||||
| -rw-r--r-- | drivers/scsi/megaraid/megaraid_sas_base.c | 48 | ||||
| -rw-r--r-- | drivers/scsi/megaraid/megaraid_sas_fp.c | 7 | ||||
| -rw-r--r-- | drivers/scsi/megaraid/megaraid_sas_fusion.c | 16 | ||||
| -rw-r--r-- | drivers/scsi/megaraid/megaraid_sas_fusion.h | 2 |
5 files changed, 74 insertions, 7 deletions
diff --git a/drivers/scsi/megaraid/megaraid_sas.h b/drivers/scsi/megaraid/megaraid_sas.h index 6ddf994a25b7..0696903e28fd 100644 --- a/drivers/scsi/megaraid/megaraid_sas.h +++ b/drivers/scsi/megaraid/megaraid_sas.h @@ -1429,6 +1429,8 @@ enum FW_BOOT_CONTEXT { #define MFI_1068_FW_HANDSHAKE_OFFSET 0x64 #define MFI_1068_FW_READY 0xDDDD0000 +#define MEGASAS_RAID1_FAST_PATH_STATUS_CHECK_INTERVAL HZ + #define MR_MAX_REPLY_QUEUES_OFFSET 0X0000001F #define MR_MAX_REPLY_QUEUES_EXT_OFFSET 0X003FC000 #define MR_MAX_REPLY_QUEUES_EXT_OFFSET_SHIFT 14 @@ -2101,6 +2103,10 @@ struct megasas_instance { atomic_t ldio_outstanding; atomic_t fw_reset_no_pci_access; + atomic64_t bytes_wrote; /* used for raid1 fast path enable or disable */ + atomic_t r1_write_fp_capable; + + struct megasas_instance_template *instancet; struct tasklet_struct isr_tasklet; struct work_struct work_init; @@ -2142,6 +2148,7 @@ struct megasas_instance { long reset_flags; struct mutex reset_mutex; struct timer_list sriov_heartbeat_timer; + struct timer_list r1_fp_hold_timer; char skip_heartbeat_timer_del; u8 requestorId; char PlasmaFW111; @@ -2158,6 +2165,7 @@ struct megasas_instance { bool is_ventura; bool msix_combined; u16 max_raid_mapsize; + u64 pci_threshold_bandwidth; /* used to control the fp writes */ }; struct MR_LD_VF_MAP { u32 size; diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c index 19bc3501f28f..eba107898c7f 100644 --- a/drivers/scsi/megaraid/megaraid_sas_base.c +++ b/drivers/scsi/megaraid/megaraid_sas_base.c @@ -1940,6 +1940,9 @@ void megaraid_sas_kill_hba(struct megasas_instance *instance) } /* Complete outstanding ioctls when adapter is killed */ megasas_complete_outstanding_ioctls(instance); + if (instance->is_ventura) + del_timer_sync(&instance->r1_fp_hold_timer); + } /** @@ -2438,6 +2441,24 @@ void megasas_sriov_heartbeat_handler(unsigned long instance_addr) } } +/*Handler for disabling/enabling raid 1 fast paths*/ +void megasas_change_r1_fp_status(unsigned long instance_addr) +{ + struct megasas_instance *instance = + (struct megasas_instance *)instance_addr; + if (atomic64_read(&instance->bytes_wrote) >= + instance->pci_threshold_bandwidth) { + + atomic64_set(&instance->bytes_wrote, 0); + atomic_set(&instance->r1_write_fp_capable, 0); + } else { + atomic64_set(&instance->bytes_wrote, 0); + atomic_set(&instance->r1_write_fp_capable, 1); + } + mod_timer(&instance->r1_fp_hold_timer, + jiffies + MEGASAS_RAID1_FAST_PATH_STATUS_CHECK_INTERVAL); +} + /** * megasas_wait_for_outstanding - Wait for all outstanding cmds * @instance: Adapter soft state @@ -5362,6 +5383,17 @@ static int megasas_init_fw(struct megasas_instance *instance) instance->skip_heartbeat_timer_del = 1; } + if (instance->is_ventura) { + atomic64_set(&instance->bytes_wrote, 0); + atomic_set(&instance->r1_write_fp_capable, 1); + megasas_start_timer(instance, + &instance->r1_fp_hold_timer, + megasas_change_r1_fp_status, + MEGASAS_RAID1_FAST_PATH_STATUS_CHECK_INTERVAL); + dev_info(&instance->pdev->dev, "starting the raid 1 fp timer with interval %d\n", + MEGASAS_RAID1_FAST_PATH_STATUS_CHECK_INTERVAL); + } + return 0; fail_get_ld_pd_list: @@ -6152,6 +6184,9 @@ megasas_suspend(struct pci_dev *pdev, pm_message_t state) if (instance->requestorId && !instance->skip_heartbeat_timer_del) del_timer_sync(&instance->sriov_heartbeat_timer); + if (instance->is_ventura) + del_timer_sync(&instance->r1_fp_hold_timer); + megasas_flush_cache(instance); megasas_shutdown_controller(instance, MR_DCMD_HIBERNATE_SHUTDOWN); @@ -6278,6 +6313,16 @@ megasas_resume(struct pci_dev *pdev) megasas_setup_jbod_map(instance); instance->unload = 0; + if (instance->is_ventura) { + atomic64_set(&instance->bytes_wrote, 0); + atomic_set(&instance->r1_write_fp_capable, 1); + megasas_start_timer(instance, + &instance->r1_fp_hold_timer, + megasas_change_r1_fp_status, + MEGASAS_RAID1_FAST_PATH_STATUS_CHECK_INTERVAL); + } + + /* * Initiate AEN (Asynchronous Event Notification) */ @@ -6366,6 +6411,9 @@ static void megasas_detach_one(struct pci_dev *pdev) if (instance->requestorId && !instance->skip_heartbeat_timer_del) del_timer_sync(&instance->sriov_heartbeat_timer); + if (instance->is_ventura) + del_timer_sync(&instance->r1_fp_hold_timer); + if (instance->fw_crash_state != UNAVAILABLE) megasas_free_host_crash_buffer(instance); scsi_remove_host(instance->host); diff --git a/drivers/scsi/megaraid/megaraid_sas_fp.c b/drivers/scsi/megaraid/megaraid_sas_fp.c index f1384b01b3d3..322a72b593e3 100644 --- a/drivers/scsi/megaraid/megaraid_sas_fp.c +++ b/drivers/scsi/megaraid/megaraid_sas_fp.c @@ -197,6 +197,9 @@ void MR_PopulateDrvRaidMap(struct megasas_instance *instance) if (instance->max_raid_mapsize) { fw_map_dyn = fusion->ld_map[(instance->map_id & 1)]; + if (fw_map_dyn->pci_threshold_bandwidth) + instance->pci_threshold_bandwidth = + le64_to_cpu(fw_map_dyn->pci_threshold_bandwidth); #if VD_EXT_DEBUG dev_dbg(&instance->pdev->dev, "raidMapSize 0x%x fw_map_dyn->descTableOffset 0x%x\n", le32_to_cpu(fw_map_dyn->raid_map_size), @@ -204,6 +207,8 @@ void MR_PopulateDrvRaidMap(struct megasas_instance *instance) dev_dbg(&instance->pdev->dev, "descTableSize 0x%x descTableNumElements 0x%x\n", le32_to_cpu(fw_map_dyn->desc_table_size), le32_to_cpu(fw_map_dyn->desc_table_num_elements)); + dev_dbg(&instance->pdev->dev, "PCIThreasholdBandwidth %llu\n", + instance->pci_threshold_bandwidth); dev_dbg(&instance->pdev->dev, "drv map %p ldCount %d\n", drv_map, fw_map_dyn->ld_count); #endif @@ -434,6 +439,8 @@ void MR_PopulateDrvRaidMap(struct megasas_instance *instance) sizeof(struct MR_DEV_HANDLE_INFO) * MAX_RAIDMAP_PHYSICAL_DEVICES); } + if (instance->is_ventura && !instance->pci_threshold_bandwidth) + instance->pci_threshold_bandwidth = ULLONG_MAX; } /* diff --git a/drivers/scsi/megaraid/megaraid_sas_fusion.c b/drivers/scsi/megaraid/megaraid_sas_fusion.c index ac424ba59ceb..4d655e456709 100644 --- a/drivers/scsi/megaraid/megaraid_sas_fusion.c +++ b/drivers/scsi/megaraid/megaraid_sas_fusion.c @@ -95,6 +95,7 @@ extern unsigned int resetwaittime; extern unsigned int dual_qdepth_disable; static void megasas_free_rdpq_fusion(struct megasas_instance *instance); static void megasas_free_reply_fusion(struct megasas_instance *instance); +void megasas_change_r1_fp_status(unsigned long instance_addr); @@ -2628,8 +2629,9 @@ megasas_build_and_issue_cmd_fusion(struct megasas_instance *instance, * to get new command */ if (cmd->is_raid_1_fp_write && - atomic_inc_return(&instance->fw_outstanding) > - (instance->host->can_queue)) { + (atomic_inc_return(&instance->fw_outstanding) > + (instance->host->can_queue) || + (!atomic_read(&instance->r1_write_fp_capable)))) { megasas_fpio_to_ldio(instance, cmd, cmd->scmd); atomic_dec(&instance->fw_outstanding); } else if (cmd->is_raid_1_fp_write) { @@ -2638,17 +2640,19 @@ megasas_build_and_issue_cmd_fusion(struct megasas_instance *instance, megasas_prepare_secondRaid1_IO(instance, cmd, r1_cmd); } - /* * Issue the command to the FW */ + if (scmd->sc_data_direction == PCI_DMA_TODEVICE && instance->is_ventura) + atomic64_add(scsi_bufflen(scmd), &instance->bytes_wrote); megasas_fire_cmd_fusion(instance, req_desc, instance->is_ventura); - if (r1_cmd) + if (r1_cmd) { + atomic64_add(scsi_bufflen(scmd), &instance->bytes_wrote); megasas_fire_cmd_fusion(instance, r1_cmd->request_desc, - instance->is_ventura); - + instance->is_ventura); + } return 0; } diff --git a/drivers/scsi/megaraid/megaraid_sas_fusion.h b/drivers/scsi/megaraid/megaraid_sas_fusion.h index a9bc9c0a1cb9..391aae6e27a4 100644 --- a/drivers/scsi/megaraid/megaraid_sas_fusion.h +++ b/drivers/scsi/megaraid/megaraid_sas_fusion.h @@ -977,7 +977,7 @@ struct MR_FW_RAID_MAP_DYNAMIC { u32 desc_table_size; /* Total Size of desc table */ /* Total Number of elements in the desc table */ u32 desc_table_num_elements; - u64 reserved1; + u64 pci_threshold_bandwidth; u32 reserved2[3]; /*future use */ /* timeout value used by driver in FP IOs */ u8 fp_pd_io_timeout_sec; |