diff --git a/drivers/scsi/smartpqi/smartpqi.h b/drivers/scsi/smartpqi/smartpqi.h index 023fbce04e7a..f493006bee9d 100644 --- a/drivers/scsi/smartpqi/smartpqi.h +++ b/drivers/scsi/smartpqi/smartpqi.h @@ -505,7 +505,7 @@ struct pqi_vendor_general_request { __le64 buffer_address; __le32 buffer_length; u8 reserved[40]; - } ofa_memory_allocation; + } host_memory_allocation; } data; }; @@ -517,21 +517,30 @@ struct pqi_vendor_general_response { u8 reserved[2]; }; -#define PQI_VENDOR_GENERAL_CONFIG_TABLE_UPDATE 0 -#define PQI_VENDOR_GENERAL_HOST_MEMORY_UPDATE 1 +#define PQI_VENDOR_GENERAL_CONFIG_TABLE_UPDATE 0 +#define PQI_VENDOR_GENERAL_OFA_MEMORY_UPDATE 1 +#define PQI_VENDOR_GENERAL_CTRL_LOG_MEMORY_UPDATE 2 #define PQI_OFA_VERSION 1 #define PQI_OFA_SIGNATURE "OFA_QRM" -#define PQI_OFA_MAX_SG_DESCRIPTORS 64 +#define PQI_CTRL_LOG_VERSION 1 +#define PQI_CTRL_LOG_SIGNATURE "FW_DATA" +#define PQI_HOST_MAX_SG_DESCRIPTORS 64 -struct pqi_ofa_memory { - __le64 signature; /* "OFA_QRM" */ +struct pqi_host_memory { + __le64 signature; /* "OFA_QRM", "FW_DATA", etc. */ __le16 version; /* version of this struct (1 = 1st version) */ u8 reserved[62]; __le32 bytes_allocated; /* total allocated memory in bytes */ __le16 num_memory_descriptors; u8 reserved1[2]; - struct pqi_sg_descriptor sg_descriptor[PQI_OFA_MAX_SG_DESCRIPTORS]; + struct pqi_sg_descriptor sg_descriptor[PQI_HOST_MAX_SG_DESCRIPTORS]; +}; + +struct pqi_host_memory_descriptor { + struct pqi_host_memory *host_memory; + dma_addr_t host_memory_dma_handle; + void **host_chunk_virt_address; }; struct pqi_aio_error_info { @@ -867,7 +876,8 @@ struct pqi_config_table_firmware_features { #define PQI_FIRMWARE_FEATURE_FW_TRIAGE 17 #define PQI_FIRMWARE_FEATURE_RPL_EXTENDED_FORMAT_4_5 18 #define PQI_FIRMWARE_FEATURE_MULTI_LUN_DEVICE_SUPPORT 21 -#define PQI_FIRMWARE_FEATURE_MAXIMUM 21 +#define PQI_FIRMWARE_FEATURE_CTRL_LOGGING 22 +#define PQI_FIRMWARE_FEATURE_MAXIMUM 22 struct pqi_config_table_debug { struct pqi_config_table_section_header header; @@ -1357,6 +1367,7 @@ struct pqi_ctrl_info { u8 firmware_triage_supported : 1; u8 rpl_extended_format_4_5_supported : 1; u8 multi_lun_device_supported : 1; + u8 ctrl_logging_supported : 1; u8 enable_r1_writes : 1; u8 enable_r5_writes : 1; u8 enable_r6_writes : 1; @@ -1398,13 +1409,12 @@ struct pqi_ctrl_info { wait_queue_head_t block_requests_wait; struct mutex ofa_mutex; - struct pqi_ofa_memory *pqi_ofa_mem_virt_addr; - dma_addr_t pqi_ofa_mem_dma_handle; - void **pqi_ofa_chunk_virt_addr; struct work_struct ofa_memory_alloc_work; struct work_struct ofa_quiesce_work; u32 ofa_bytes_requested; u16 ofa_cancel_reason; + struct pqi_host_memory_descriptor ofa_memory; + struct pqi_host_memory_descriptor ctrl_log_memory; enum pqi_ctrl_removal_state ctrl_removal_state; }; diff --git a/drivers/scsi/smartpqi/smartpqi_init.c b/drivers/scsi/smartpqi/smartpqi_init.c index b5396d722d52..54f7fe843445 100644 --- a/drivers/scsi/smartpqi/smartpqi_init.c +++ b/drivers/scsi/smartpqi/smartpqi_init.c @@ -92,9 +92,9 @@ static int pqi_aio_submit_r56_write_io(struct pqi_ctrl_info *ctrl_info, static void pqi_ofa_ctrl_quiesce(struct pqi_ctrl_info *ctrl_info); static void pqi_ofa_ctrl_unquiesce(struct pqi_ctrl_info *ctrl_info); static int pqi_ofa_ctrl_restart(struct pqi_ctrl_info *ctrl_info, unsigned int delay_secs); -static void pqi_ofa_setup_host_buffer(struct pqi_ctrl_info *ctrl_info); -static void pqi_ofa_free_host_buffer(struct pqi_ctrl_info *ctrl_info); -static int pqi_ofa_host_memory_update(struct pqi_ctrl_info *ctrl_info); +static void pqi_host_setup_buffer(struct pqi_ctrl_info *ctrl_info, struct pqi_host_memory_descriptor *host_memory_descriptor, u32 total_size, u32 min_size); +static void pqi_host_free_buffer(struct pqi_ctrl_info *ctrl_info, struct pqi_host_memory_descriptor *host_memory_descriptor); +static int pqi_host_memory_update(struct pqi_ctrl_info *ctrl_info, struct pqi_host_memory_descriptor *host_memory_descriptor, u16 function_code); static int pqi_device_wait_for_pending_io(struct pqi_ctrl_info *ctrl_info, struct pqi_scsi_dev *device, u8 lun, unsigned long timeout_msecs); static void pqi_fail_all_outstanding_requests(struct pqi_ctrl_info *ctrl_info); @@ -3634,7 +3634,7 @@ static void pqi_process_soft_reset(struct pqi_ctrl_info *ctrl_info) ctrl_info->pqi_mode_enabled = false; pqi_save_ctrl_mode(ctrl_info, SIS_MODE); rc = pqi_ofa_ctrl_restart(ctrl_info, delay_secs); - pqi_ofa_free_host_buffer(ctrl_info); + pqi_host_free_buffer(ctrl_info, &ctrl_info->ofa_memory); pqi_ctrl_ofa_done(ctrl_info); dev_info(&ctrl_info->pci_dev->dev, "Online Firmware Activation: %s\n", @@ -3645,7 +3645,7 @@ static void pqi_process_soft_reset(struct pqi_ctrl_info *ctrl_info) "Online Firmware Activation ABORTED\n"); if (ctrl_info->soft_reset_handshake_supported) pqi_clear_soft_reset_status(ctrl_info); - pqi_ofa_free_host_buffer(ctrl_info); + pqi_host_free_buffer(ctrl_info, &ctrl_info->ofa_memory); pqi_ctrl_ofa_done(ctrl_info); pqi_ofa_ctrl_unquiesce(ctrl_info); break; @@ -3655,7 +3655,7 @@ static void pqi_process_soft_reset(struct pqi_ctrl_info *ctrl_info) dev_err(&ctrl_info->pci_dev->dev, "unexpected Online Firmware Activation reset status: 0x%x\n", reset_status); - pqi_ofa_free_host_buffer(ctrl_info); + pqi_host_free_buffer(ctrl_info, &ctrl_info->ofa_memory); pqi_ctrl_ofa_done(ctrl_info); pqi_ofa_ctrl_unquiesce(ctrl_info); pqi_take_ctrl_offline(ctrl_info, PQI_OFA_RESPONSE_TIMEOUT); @@ -3670,8 +3670,8 @@ static void pqi_ofa_memory_alloc_worker(struct work_struct *work) ctrl_info = container_of(work, struct pqi_ctrl_info, ofa_memory_alloc_work); pqi_ctrl_ofa_start(ctrl_info); - pqi_ofa_setup_host_buffer(ctrl_info); - pqi_ofa_host_memory_update(ctrl_info); + pqi_host_setup_buffer(ctrl_info, &ctrl_info->ofa_memory, ctrl_info->ofa_bytes_requested, ctrl_info->ofa_bytes_requested); + pqi_host_memory_update(ctrl_info, &ctrl_info->ofa_memory, PQI_VENDOR_GENERAL_OFA_MEMORY_UPDATE); } static void pqi_ofa_quiesce_worker(struct work_struct *work) @@ -3711,7 +3711,7 @@ static bool pqi_ofa_process_event(struct pqi_ctrl_info *ctrl_info, dev_info(&ctrl_info->pci_dev->dev, "received Online Firmware Activation cancel request: reason: %u\n", ctrl_info->ofa_cancel_reason); - pqi_ofa_free_host_buffer(ctrl_info); + pqi_host_free_buffer(ctrl_info, &ctrl_info->ofa_memory); pqi_ctrl_ofa_done(ctrl_info); break; default: @@ -7883,6 +7883,9 @@ static void pqi_ctrl_update_feature_flags(struct pqi_ctrl_info *ctrl_info, case PQI_FIRMWARE_FEATURE_MULTI_LUN_DEVICE_SUPPORT: ctrl_info->multi_lun_device_supported = firmware_feature->enabled; break; + case PQI_FIRMWARE_FEATURE_CTRL_LOGGING: + ctrl_info->ctrl_logging_supported = firmware_feature->enabled; + break; } pqi_firmware_feature_status(ctrl_info, firmware_feature); @@ -7988,6 +7991,11 @@ static struct pqi_firmware_feature pqi_firmware_features[] = { .feature_bit = PQI_FIRMWARE_FEATURE_MULTI_LUN_DEVICE_SUPPORT, .feature_status = pqi_ctrl_update_feature_flags, }, + { + .feature_name = "Controller Data Logging", + .feature_bit = PQI_FIRMWARE_FEATURE_CTRL_LOGGING, + .feature_status = pqi_ctrl_update_feature_flags, + }, }; static void pqi_process_firmware_features( @@ -8090,6 +8098,7 @@ static void pqi_ctrl_reset_config(struct pqi_ctrl_info *ctrl_info) ctrl_info->firmware_triage_supported = false; ctrl_info->rpl_extended_format_4_5_supported = false; ctrl_info->multi_lun_device_supported = false; + ctrl_info->ctrl_logging_supported = false; } static int pqi_process_config_table(struct pqi_ctrl_info *ctrl_info) @@ -8230,6 +8239,9 @@ static void pqi_perform_lockup_action(void) } } +#define PQI_CTRL_LOG_TOTAL_SIZE (4 * 1024 * 1024) +#define PQI_CTRL_LOG_MIN_SIZE (PQI_CTRL_LOG_TOTAL_SIZE / PQI_HOST_MAX_SG_DESCRIPTORS) + static int pqi_ctrl_init(struct pqi_ctrl_info *ctrl_info) { int rc; @@ -8241,6 +8253,12 @@ static int pqi_ctrl_init(struct pqi_ctrl_info *ctrl_info) if (rc) return rc; } + if (sis_is_ctrl_logging_supported(ctrl_info)) { + sis_notify_kdump(ctrl_info); + rc = sis_wait_for_ctrl_logging_completion(ctrl_info); + if (rc) + return rc; + } sis_soft_reset(ctrl_info); ssleep(PQI_POST_RESET_DELAY_SECS); } else { @@ -8422,6 +8440,11 @@ static int pqi_ctrl_init(struct pqi_ctrl_info *ctrl_info) if (rc) return rc; + if (ctrl_info->ctrl_logging_supported && !reset_devices) { + pqi_host_setup_buffer(ctrl_info, &ctrl_info->ctrl_log_memory, PQI_CTRL_LOG_TOTAL_SIZE, PQI_CTRL_LOG_MIN_SIZE); + pqi_host_memory_update(ctrl_info, &ctrl_info->ctrl_log_memory, PQI_VENDOR_GENERAL_CTRL_LOG_MEMORY_UPDATE); + } + rc = pqi_get_ctrl_product_details(ctrl_info); if (rc) { dev_err(&ctrl_info->pci_dev->dev, @@ -8606,8 +8629,22 @@ static int pqi_ctrl_init_resume(struct pqi_ctrl_info *ctrl_info) return rc; } - if (pqi_ofa_in_progress(ctrl_info)) + if (pqi_ofa_in_progress(ctrl_info)) { pqi_ctrl_unblock_scan(ctrl_info); + if (ctrl_info->ctrl_logging_supported) { + if (!ctrl_info->ctrl_log_memory.host_memory) + pqi_host_setup_buffer(ctrl_info, + &ctrl_info->ctrl_log_memory, + PQI_CTRL_LOG_TOTAL_SIZE, + PQI_CTRL_LOG_MIN_SIZE); + pqi_host_memory_update(ctrl_info, + &ctrl_info->ctrl_log_memory, PQI_VENDOR_GENERAL_CTRL_LOG_MEMORY_UPDATE); + } else { + if (ctrl_info->ctrl_log_memory.host_memory) + pqi_host_free_buffer(ctrl_info, + &ctrl_info->ctrl_log_memory); + } + } pqi_scan_scsi_devices(ctrl_info); @@ -8797,6 +8834,7 @@ static void pqi_remove_ctrl(struct pqi_ctrl_info *ctrl_info) pqi_fail_all_outstanding_requests(ctrl_info); ctrl_info->pqi_mode_enabled = false; } + pqi_host_free_buffer(ctrl_info, &ctrl_info->ctrl_log_memory); pqi_unregister_scsi(ctrl_info); if (ctrl_info->pqi_mode_enabled) pqi_revert_to_sis_mode(ctrl_info); @@ -8822,170 +8860,6 @@ static void pqi_ofa_ctrl_unquiesce(struct pqi_ctrl_info *ctrl_info) pqi_ctrl_unblock_scan(ctrl_info); } -static int pqi_ofa_alloc_mem(struct pqi_ctrl_info *ctrl_info, u32 total_size, u32 chunk_size) -{ - int i; - u32 sg_count; - struct device *dev; - struct pqi_ofa_memory *ofap; - struct pqi_sg_descriptor *mem_descriptor; - dma_addr_t dma_handle; - - ofap = ctrl_info->pqi_ofa_mem_virt_addr; - - sg_count = DIV_ROUND_UP(total_size, chunk_size); - if (sg_count == 0 || sg_count > PQI_OFA_MAX_SG_DESCRIPTORS) - goto out; - - ctrl_info->pqi_ofa_chunk_virt_addr = kmalloc_array(sg_count, sizeof(void *), GFP_KERNEL); - if (!ctrl_info->pqi_ofa_chunk_virt_addr) - goto out; - - dev = &ctrl_info->pci_dev->dev; - - for (i = 0; i < sg_count; i++) { - ctrl_info->pqi_ofa_chunk_virt_addr[i] = - dma_alloc_coherent(dev, chunk_size, &dma_handle, GFP_KERNEL); - if (!ctrl_info->pqi_ofa_chunk_virt_addr[i]) - goto out_free_chunks; - mem_descriptor = &ofap->sg_descriptor[i]; - put_unaligned_le64((u64)dma_handle, &mem_descriptor->address); - put_unaligned_le32(chunk_size, &mem_descriptor->length); - } - - put_unaligned_le32(CISS_SG_LAST, &mem_descriptor->flags); - put_unaligned_le16(sg_count, &ofap->num_memory_descriptors); - put_unaligned_le32(sg_count * chunk_size, &ofap->bytes_allocated); - - return 0; - -out_free_chunks: - while (--i >= 0) { - mem_descriptor = &ofap->sg_descriptor[i]; - dma_free_coherent(dev, chunk_size, - ctrl_info->pqi_ofa_chunk_virt_addr[i], - get_unaligned_le64(&mem_descriptor->address)); - } - kfree(ctrl_info->pqi_ofa_chunk_virt_addr); - -out: - return -ENOMEM; -} - -static int pqi_ofa_alloc_host_buffer(struct pqi_ctrl_info *ctrl_info) -{ - u32 total_size; - u32 chunk_size; - u32 min_chunk_size; - - if (ctrl_info->ofa_bytes_requested == 0) - return 0; - - total_size = PAGE_ALIGN(ctrl_info->ofa_bytes_requested); - min_chunk_size = DIV_ROUND_UP(total_size, PQI_OFA_MAX_SG_DESCRIPTORS); - min_chunk_size = PAGE_ALIGN(min_chunk_size); - - for (chunk_size = total_size; chunk_size >= min_chunk_size;) { - if (pqi_ofa_alloc_mem(ctrl_info, total_size, chunk_size) == 0) - return 0; - chunk_size /= 2; - chunk_size = PAGE_ALIGN(chunk_size); - } - - return -ENOMEM; -} - -static void pqi_ofa_setup_host_buffer(struct pqi_ctrl_info *ctrl_info) -{ - struct device *dev; - struct pqi_ofa_memory *ofap; - - dev = &ctrl_info->pci_dev->dev; - - ofap = dma_alloc_coherent(dev, sizeof(*ofap), - &ctrl_info->pqi_ofa_mem_dma_handle, GFP_KERNEL); - if (!ofap) - return; - - ctrl_info->pqi_ofa_mem_virt_addr = ofap; - - if (pqi_ofa_alloc_host_buffer(ctrl_info) < 0) { - dev_err(dev, - "failed to allocate host buffer for Online Firmware Activation\n"); - dma_free_coherent(dev, sizeof(*ofap), ofap, ctrl_info->pqi_ofa_mem_dma_handle); - ctrl_info->pqi_ofa_mem_virt_addr = NULL; - return; - } - - put_unaligned_le16(PQI_OFA_VERSION, &ofap->version); - memcpy(&ofap->signature, PQI_OFA_SIGNATURE, sizeof(ofap->signature)); -} - -static void pqi_ofa_free_host_buffer(struct pqi_ctrl_info *ctrl_info) -{ - unsigned int i; - struct device *dev; - struct pqi_ofa_memory *ofap; - struct pqi_sg_descriptor *mem_descriptor; - unsigned int num_memory_descriptors; - - ofap = ctrl_info->pqi_ofa_mem_virt_addr; - if (!ofap) - return; - - dev = &ctrl_info->pci_dev->dev; - - if (get_unaligned_le32(&ofap->bytes_allocated) == 0) - goto out; - - mem_descriptor = ofap->sg_descriptor; - num_memory_descriptors = - get_unaligned_le16(&ofap->num_memory_descriptors); - - for (i = 0; i < num_memory_descriptors; i++) { - dma_free_coherent(dev, - get_unaligned_le32(&mem_descriptor[i].length), - ctrl_info->pqi_ofa_chunk_virt_addr[i], - get_unaligned_le64(&mem_descriptor[i].address)); - } - kfree(ctrl_info->pqi_ofa_chunk_virt_addr); - -out: - dma_free_coherent(dev, sizeof(*ofap), ofap, - ctrl_info->pqi_ofa_mem_dma_handle); - ctrl_info->pqi_ofa_mem_virt_addr = NULL; -} - -static int pqi_ofa_host_memory_update(struct pqi_ctrl_info *ctrl_info) -{ - u32 buffer_length; - struct pqi_vendor_general_request request; - struct pqi_ofa_memory *ofap; - - memset(&request, 0, sizeof(request)); - - request.header.iu_type = PQI_REQUEST_IU_VENDOR_GENERAL; - put_unaligned_le16(sizeof(request) - PQI_REQUEST_HEADER_LENGTH, - &request.header.iu_length); - put_unaligned_le16(PQI_VENDOR_GENERAL_HOST_MEMORY_UPDATE, - &request.function_code); - - ofap = ctrl_info->pqi_ofa_mem_virt_addr; - - if (ofap) { - buffer_length = offsetof(struct pqi_ofa_memory, sg_descriptor) + - get_unaligned_le16(&ofap->num_memory_descriptors) * - sizeof(struct pqi_sg_descriptor); - - put_unaligned_le64((u64)ctrl_info->pqi_ofa_mem_dma_handle, - &request.data.ofa_memory_allocation.buffer_address); - put_unaligned_le32(buffer_length, - &request.data.ofa_memory_allocation.buffer_length); - } - - return pqi_submit_raid_request_synchronous(ctrl_info, &request.header, 0, NULL); -} - static int pqi_ofa_ctrl_restart(struct pqi_ctrl_info *ctrl_info, unsigned int delay_secs) { ssleep(delay_secs); @@ -8993,6 +8867,180 @@ static int pqi_ofa_ctrl_restart(struct pqi_ctrl_info *ctrl_info, unsigned int de return pqi_ctrl_init_resume(ctrl_info); } +static int pqi_host_alloc_mem(struct pqi_ctrl_info *ctrl_info, + struct pqi_host_memory_descriptor *host_memory_descriptor, + u32 total_size, u32 chunk_size) +{ + int i; + u32 sg_count; + struct device *dev; + struct pqi_host_memory *host_memory; + struct pqi_sg_descriptor *mem_descriptor; + dma_addr_t dma_handle; + + sg_count = DIV_ROUND_UP(total_size, chunk_size); + if (sg_count == 0 || sg_count > PQI_HOST_MAX_SG_DESCRIPTORS) + goto out; + + host_memory_descriptor->host_chunk_virt_address = kmalloc(sg_count * sizeof(void *), GFP_KERNEL); + if (!host_memory_descriptor->host_chunk_virt_address) + goto out; + + dev = &ctrl_info->pci_dev->dev; + host_memory = host_memory_descriptor->host_memory; + + for (i = 0; i < sg_count; i++) { + host_memory_descriptor->host_chunk_virt_address[i] = dma_alloc_coherent(dev, chunk_size, &dma_handle, GFP_KERNEL); + if (!host_memory_descriptor->host_chunk_virt_address[i]) + goto out_free_chunks; + mem_descriptor = &host_memory->sg_descriptor[i]; + put_unaligned_le64((u64)dma_handle, &mem_descriptor->address); + put_unaligned_le32(chunk_size, &mem_descriptor->length); + } + + put_unaligned_le32(CISS_SG_LAST, &mem_descriptor->flags); + put_unaligned_le16(sg_count, &host_memory->num_memory_descriptors); + put_unaligned_le32(sg_count * chunk_size, &host_memory->bytes_allocated); + + return 0; + +out_free_chunks: + while (--i >= 0) { + mem_descriptor = &host_memory->sg_descriptor[i]; + dma_free_coherent(dev, chunk_size, + host_memory_descriptor->host_chunk_virt_address[i], + get_unaligned_le64(&mem_descriptor->address)); + } + kfree(host_memory_descriptor->host_chunk_virt_address); +out: + return -ENOMEM; +} + +static int pqi_host_alloc_buffer(struct pqi_ctrl_info *ctrl_info, + struct pqi_host_memory_descriptor *host_memory_descriptor, + u32 total_required_size, u32 min_required_size) +{ + u32 chunk_size; + u32 min_chunk_size; + + if (total_required_size == 0 || min_required_size == 0) + return 0; + + total_required_size = PAGE_ALIGN(total_required_size); + min_required_size = PAGE_ALIGN(min_required_size); + min_chunk_size = DIV_ROUND_UP(total_required_size, PQI_HOST_MAX_SG_DESCRIPTORS); + min_chunk_size = PAGE_ALIGN(min_chunk_size); + + while (total_required_size >= min_required_size) { + for (chunk_size = total_required_size; chunk_size >= min_chunk_size;) { + if (pqi_host_alloc_mem(ctrl_info, + host_memory_descriptor, total_required_size, + chunk_size) == 0) + return 0; + chunk_size /= 2; + chunk_size = PAGE_ALIGN(chunk_size); + } + total_required_size /= 2; + total_required_size = PAGE_ALIGN(total_required_size); + } + + return -ENOMEM; +} + +static void pqi_host_setup_buffer(struct pqi_ctrl_info *ctrl_info, + struct pqi_host_memory_descriptor *host_memory_descriptor, + u32 total_size, u32 min_size) +{ + struct device *dev; + struct pqi_host_memory *host_memory; + + dev = &ctrl_info->pci_dev->dev; + + host_memory = dma_alloc_coherent(dev, sizeof(*host_memory), + &host_memory_descriptor->host_memory_dma_handle, GFP_KERNEL); + if (!host_memory) + return; + + host_memory_descriptor->host_memory = host_memory; + + if (pqi_host_alloc_buffer(ctrl_info, host_memory_descriptor, + total_size, min_size) < 0) { + dev_err(dev, "failed to allocate firmware usable host buffer\n"); + dma_free_coherent(dev, sizeof(*host_memory), host_memory, + host_memory_descriptor->host_memory_dma_handle); + host_memory_descriptor->host_memory = NULL; + return; + } +} + +static void pqi_host_free_buffer(struct pqi_ctrl_info *ctrl_info, + struct pqi_host_memory_descriptor *host_memory_descriptor) +{ + unsigned int i; + struct device *dev; + struct pqi_host_memory *host_memory; + struct pqi_sg_descriptor *mem_descriptor; + unsigned int num_memory_descriptors; + + host_memory = host_memory_descriptor->host_memory; + if (!host_memory) + return; + + dev = &ctrl_info->pci_dev->dev; + + if (get_unaligned_le32(&host_memory->bytes_allocated) == 0) + goto out; + + mem_descriptor = host_memory->sg_descriptor; + num_memory_descriptors = get_unaligned_le16(&host_memory->num_memory_descriptors); + + for (i = 0; i < num_memory_descriptors; i++) { + dma_free_coherent(dev, + get_unaligned_le32(&mem_descriptor[i].length), + host_memory_descriptor->host_chunk_virt_address[i], + get_unaligned_le64(&mem_descriptor[i].address)); + } + kfree(host_memory_descriptor->host_chunk_virt_address); + +out: + dma_free_coherent(dev, sizeof(*host_memory), host_memory, + host_memory_descriptor->host_memory_dma_handle); + host_memory_descriptor->host_memory = NULL; +} + +static int pqi_host_memory_update(struct pqi_ctrl_info *ctrl_info, + struct pqi_host_memory_descriptor *host_memory_descriptor, + u16 function_code) +{ + u32 buffer_length; + struct pqi_vendor_general_request request; + struct pqi_host_memory *host_memory; + + memset(&request, 0, sizeof(request)); + + request.header.iu_type = PQI_REQUEST_IU_VENDOR_GENERAL; + put_unaligned_le16(sizeof(request) - PQI_REQUEST_HEADER_LENGTH, &request.header.iu_length); + put_unaligned_le16(function_code, &request.function_code); + + host_memory = host_memory_descriptor->host_memory; + + if (host_memory) { + buffer_length = offsetof(struct pqi_host_memory, sg_descriptor) + get_unaligned_le16(&host_memory->num_memory_descriptors) * sizeof(struct pqi_sg_descriptor); + put_unaligned_le64((u64)host_memory_descriptor->host_memory_dma_handle, &request.data.host_memory_allocation.buffer_address); + put_unaligned_le32(buffer_length, &request.data.host_memory_allocation.buffer_length); + + if (function_code == PQI_VENDOR_GENERAL_OFA_MEMORY_UPDATE) { + put_unaligned_le16(PQI_OFA_VERSION, &host_memory->version); + memcpy(&host_memory->signature, PQI_OFA_SIGNATURE, sizeof(host_memory->signature)); + } else if (function_code == PQI_VENDOR_GENERAL_CTRL_LOG_MEMORY_UPDATE) { + put_unaligned_le16(PQI_CTRL_LOG_VERSION, &host_memory->version); + memcpy(&host_memory->signature, PQI_CTRL_LOG_SIGNATURE, sizeof(host_memory->signature)); + } + } + + return pqi_submit_raid_request_synchronous(ctrl_info, &request.header, 0, NULL); +} + static struct pqi_raid_error_info pqi_ctrl_offline_raid_error_info = { .data_out_result = PQI_DATA_IN_OUT_HARDWARE_ERROR, .status = SAM_STAT_CHECK_CONDITION, diff --git a/drivers/scsi/smartpqi/smartpqi_sis.c b/drivers/scsi/smartpqi/smartpqi_sis.c index 673437c7152b..ca1df36b83f7 100644 --- a/drivers/scsi/smartpqi/smartpqi_sis.c +++ b/drivers/scsi/smartpqi/smartpqi_sis.c @@ -29,6 +29,7 @@ #define SIS_ENABLE_INTX 0x80 #define SIS_SOFT_RESET 0x100 #define SIS_CMD_READY 0x200 +#define SIS_NOTIFY_KDUMP 0x400 #define SIS_TRIGGER_SHUTDOWN 0x800000 #define SIS_PQI_RESET_QUIESCE 0x1000000 @@ -52,6 +53,8 @@ #define SIS_BASE_STRUCT_ALIGNMENT 16 #define SIS_CTRL_KERNEL_FW_TRIAGE 0x3 +#define SIS_CTRL_KERNEL_CTRL_LOGGING 0x4 +#define SIS_CTRL_KERNEL_CTRL_LOGGING_STATUS 0x18 #define SIS_CTRL_KERNEL_UP 0x80 #define SIS_CTRL_KERNEL_PANIC 0x100 #define SIS_CTRL_READY_TIMEOUT_SECS 180 @@ -65,6 +68,13 @@ enum sis_fw_triage_status { FW_TRIAGE_COMPLETED }; +enum sis_ctrl_logging_status { + CTRL_LOGGING_NOT_STARTED = 0, + CTRL_LOGGING_STARTED, + CTRL_LOGGING_COND_INVALID, + CTRL_LOGGING_COMPLETED +}; + #pragma pack(1) /* for use with SIS_CMD_INIT_BASE_STRUCT_ADDRESS command */ @@ -442,6 +452,21 @@ static inline enum sis_fw_triage_status SIS_CTRL_KERNEL_FW_TRIAGE)); } +bool sis_is_ctrl_logging_supported(struct pqi_ctrl_info *ctrl_info) +{ + return readl(&ctrl_info->registers->sis_firmware_status) & SIS_CTRL_KERNEL_CTRL_LOGGING; +} + +void sis_notify_kdump(struct pqi_ctrl_info *ctrl_info) +{ + sis_set_doorbell_bit(ctrl_info, SIS_NOTIFY_KDUMP); +} + +static inline enum sis_ctrl_logging_status sis_read_ctrl_logging_status(struct pqi_ctrl_info *ctrl_info) +{ + return ((enum sis_ctrl_logging_status)((readl(&ctrl_info->registers->sis_firmware_status) & SIS_CTRL_KERNEL_CTRL_LOGGING_STATUS) >> 3)); +} + void sis_soft_reset(struct pqi_ctrl_info *ctrl_info) { writel(SIS_SOFT_RESET, @@ -484,6 +509,41 @@ int sis_wait_for_fw_triage_completion(struct pqi_ctrl_info *ctrl_info) return rc; } +#define SIS_CTRL_LOGGING_STATUS_TIMEOUT_SECS 180 +#define SIS_CTRL_LOGGING_STATUS_POLL_INTERVAL_SECS 1 + +int sis_wait_for_ctrl_logging_completion(struct pqi_ctrl_info *ctrl_info) +{ + int rc; + enum sis_ctrl_logging_status status; + unsigned long timeout; + + timeout = (SIS_CTRL_LOGGING_STATUS_TIMEOUT_SECS * HZ) + jiffies; + while (1) { + status = sis_read_ctrl_logging_status(ctrl_info); + if (status == CTRL_LOGGING_COND_INVALID) { + dev_err(&ctrl_info->pci_dev->dev, + "controller data logging condition invalid\n"); + rc = -EINVAL; + break; + } else if (status == CTRL_LOGGING_COMPLETED) { + rc = 0; + break; + } + + if (time_after(jiffies, timeout)) { + dev_err(&ctrl_info->pci_dev->dev, + "timed out waiting for controller data logging status\n"); + rc = -ETIMEDOUT; + break; + } + + ssleep(SIS_CTRL_LOGGING_STATUS_POLL_INTERVAL_SECS); + } + + return rc; +} + void sis_verify_structures(void) { BUILD_BUG_ON(offsetof(struct sis_base_struct, diff --git a/drivers/scsi/smartpqi/smartpqi_sis.h b/drivers/scsi/smartpqi/smartpqi_sis.h index 0c97626d87d4..7e0eac3d07de 100644 --- a/drivers/scsi/smartpqi/smartpqi_sis.h +++ b/drivers/scsi/smartpqi/smartpqi_sis.h @@ -31,6 +31,9 @@ u32 sis_read_driver_scratch(struct pqi_ctrl_info *ctrl_info); void sis_soft_reset(struct pqi_ctrl_info *ctrl_info); u32 sis_get_product_id(struct pqi_ctrl_info *ctrl_info); int sis_wait_for_fw_triage_completion(struct pqi_ctrl_info *ctrl_info); +bool sis_is_ctrl_logging_supported(struct pqi_ctrl_info *ctrl_info); +void sis_notify_kdump(struct pqi_ctrl_info *ctrl_info); +int sis_wait_for_ctrl_logging_completion(struct pqi_ctrl_info *ctrl_info); extern unsigned int sis_ctrl_ready_timeout_secs;