diff options
Diffstat (limited to 'drivers/scsi/mpt3sas')
| -rw-r--r-- | drivers/scsi/mpt3sas/mpt3sas_base.c | 36 | ||||
| -rw-r--r-- | drivers/scsi/mpt3sas/mpt3sas_base.h | 15 | ||||
| -rw-r--r-- | drivers/scsi/mpt3sas/mpt3sas_ctl.c | 344 | ||||
| -rw-r--r-- | drivers/scsi/mpt3sas/mpt3sas_ctl.h | 9 | ||||
| -rw-r--r-- | drivers/scsi/mpt3sas/mpt3sas_scsih.c | 4 | ||||
| -rw-r--r-- | drivers/scsi/mpt3sas/mpt3sas_trigger_diag.c | 12 |
6 files changed, 359 insertions, 61 deletions
diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.c b/drivers/scsi/mpt3sas/mpt3sas_base.c index fea3cb6a090b..848fbec7bda6 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_base.c +++ b/drivers/scsi/mpt3sas/mpt3sas_base.c @@ -3044,11 +3044,11 @@ _base_alloc_irq_vectors(struct MPT3SAS_ADAPTER *ioc) descp = NULL; ioc_info(ioc, " %d %d\n", ioc->high_iops_queues, - ioc->msix_vector_count); + ioc->reply_queue_count); i = pci_alloc_irq_vectors_affinity(ioc->pdev, ioc->high_iops_queues, - ioc->msix_vector_count, irq_flags, descp); + ioc->reply_queue_count, irq_flags, descp); return i; } @@ -4242,10 +4242,12 @@ _base_display_OEMs_branding(struct MPT3SAS_ADAPTER *ioc) static int _base_display_fwpkg_version(struct MPT3SAS_ADAPTER *ioc) { - Mpi2FWImageHeader_t *FWImgHdr; + Mpi2FWImageHeader_t *fw_img_hdr; + Mpi26ComponentImageHeader_t *cmp_img_hdr; Mpi25FWUploadRequest_t *mpi_request; Mpi2FWUploadReply_t mpi_reply; int r = 0; + u32 package_version = 0; void *fwpkg_data = NULL; dma_addr_t fwpkg_data_dma; u16 smid, ioc_status; @@ -4302,14 +4304,26 @@ _base_display_fwpkg_version(struct MPT3SAS_ADAPTER *ioc) ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & MPI2_IOCSTATUS_MASK; if (ioc_status == MPI2_IOCSTATUS_SUCCESS) { - FWImgHdr = (Mpi2FWImageHeader_t *)fwpkg_data; - if (FWImgHdr->PackageVersion.Word) { - ioc_info(ioc, "FW Package Version (%02d.%02d.%02d.%02d)\n", - FWImgHdr->PackageVersion.Struct.Major, - FWImgHdr->PackageVersion.Struct.Minor, - FWImgHdr->PackageVersion.Struct.Unit, - FWImgHdr->PackageVersion.Struct.Dev); - } + fw_img_hdr = (Mpi2FWImageHeader_t *)fwpkg_data; + if (le32_to_cpu(fw_img_hdr->Signature) == + MPI26_IMAGE_HEADER_SIGNATURE0_MPI26) { + cmp_img_hdr = + (Mpi26ComponentImageHeader_t *) + (fwpkg_data); + package_version = + le32_to_cpu( + cmp_img_hdr->ApplicationSpecific); + } else + package_version = + le32_to_cpu( + fw_img_hdr->PackageVersion.Word); + if (package_version) + ioc_info(ioc, + "FW Package Ver(%02d.%02d.%02d.%02d)\n", + ((package_version) & 0xFF000000) >> 24, + ((package_version) & 0x00FF0000) >> 16, + ((package_version) & 0x0000FF00) >> 8, + (package_version) & 0x000000FF); } else { _debug_dump_mf(&mpi_reply, sizeof(Mpi2FWUploadReply_t)/4); diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.h b/drivers/scsi/mpt3sas/mpt3sas_base.h index faca0a5e71f8..4ebf81ea4d2f 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_base.h +++ b/drivers/scsi/mpt3sas/mpt3sas_base.h @@ -76,8 +76,8 @@ #define MPT3SAS_DRIVER_NAME "mpt3sas" #define MPT3SAS_AUTHOR "Avago Technologies <MPT-FusionLinux.pdl@avagotech.com>" #define MPT3SAS_DESCRIPTION "LSI MPT Fusion SAS 3.0 Device Driver" -#define MPT3SAS_DRIVER_VERSION "31.100.00.00" -#define MPT3SAS_MAJOR_VERSION 31 +#define MPT3SAS_DRIVER_VERSION "32.100.00.00" +#define MPT3SAS_MAJOR_VERSION 32 #define MPT3SAS_MINOR_VERSION 100 #define MPT3SAS_BUILD_VERSION 0 #define MPT3SAS_RELEASE_VERSION 00 @@ -303,6 +303,8 @@ struct mpt3sas_nvme_cmd { #define MPT3_DIAG_BUFFER_IS_REGISTERED (0x01) #define MPT3_DIAG_BUFFER_IS_RELEASED (0x02) #define MPT3_DIAG_BUFFER_IS_DIAG_RESET (0x04) +#define MPT3_DIAG_BUFFER_IS_DRIVER_ALLOCATED (0x08) +#define MPT3_DIAG_BUFFER_IS_APP_OWNED (0x10) /* * HP HBA branding @@ -391,9 +393,12 @@ struct Mpi2ManufacturingPage11_t { u8 Reserved6; /* 2Fh */ __le32 Reserved7[7]; /* 30h - 4Bh */ u8 NVMeAbortTO; /* 4Ch */ - u8 Reserved8; /* 4Dh */ - u16 Reserved9; /* 4Eh */ - __le32 Reserved10[4]; /* 50h - 60h */ + u8 NumPerDevEvents; /* 4Dh */ + u8 HostTraceBufferDecrementSizeKB; /* 4Eh */ + u8 HostTraceBufferFlags; /* 4Fh */ + u16 HostTraceBufferMaxSizeKB; /* 50h */ + u16 HostTraceBufferMinSizeKB; /* 52h */ + __le32 Reserved10[2]; /* 54h - 5Bh */ }; /** diff --git a/drivers/scsi/mpt3sas/mpt3sas_ctl.c b/drivers/scsi/mpt3sas/mpt3sas_ctl.c index 7d696952b376..6874cf017739 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_ctl.c +++ b/drivers/scsi/mpt3sas/mpt3sas_ctl.c @@ -466,6 +466,13 @@ void mpt3sas_ctl_pre_reset_handler(struct MPT3SAS_ADAPTER *ioc) if ((ioc->diag_buffer_status[i] & MPT3_DIAG_BUFFER_IS_RELEASED)) continue; + + /* + * add a log message to indicate the release + */ + ioc_info(ioc, + "%s: Releasing the trace buffer due to adapter reset.", + __func__); mpt3sas_send_diag_release(ioc, i, &issue_reset); } } @@ -778,6 +785,18 @@ _ctl_do_mpt_command(struct MPT3SAS_ADAPTER *ioc, struct mpt3_ioctl_command karg, case MPI2_FUNCTION_NVME_ENCAPSULATED: { nvme_encap_request = (Mpi26NVMeEncapsulatedRequest_t *)request; + if (!ioc->pcie_sg_lookup) { + dtmprintk(ioc, ioc_info(ioc, + "HBA doesn't support NVMe. Rejecting NVMe Encapsulated request.\n" + )); + + if (ioc->logging_level & MPT_DEBUG_TM) + _debug_dump_mf(nvme_encap_request, + ioc->request_sz/4); + mpt3sas_base_free_smid(ioc, smid); + ret = -EINVAL; + goto out; + } /* * Get the Physical Address of the sense buffer. * Use Error Response buffer address field to hold the sense @@ -1484,6 +1503,26 @@ _ctl_diag_capability(struct MPT3SAS_ADAPTER *ioc, u8 buffer_type) return rc; } +/** + * _ctl_diag_get_bufftype - return diag buffer type + * either TRACE, SNAPSHOT, or EXTENDED + * @ioc: per adapter object + * @unique_id: specifies the unique_id for the buffer + * + * returns MPT3_DIAG_UID_NOT_FOUND if the id not found + */ +static u8 +_ctl_diag_get_bufftype(struct MPT3SAS_ADAPTER *ioc, u32 unique_id) +{ + u8 index; + + for (index = 0; index < MPI2_DIAG_BUF_TYPE_COUNT; index++) { + if (ioc->unique_id[index] == unique_id) + return index; + } + + return MPT3_DIAG_UID_NOT_FOUND; +} /** * _ctl_diag_register_2 - wrapper for registering diag buffer support @@ -1531,11 +1570,88 @@ _ctl_diag_register_2(struct MPT3SAS_ADAPTER *ioc, return -EPERM; } + if (diag_register->unique_id == 0) { + ioc_err(ioc, + "%s: Invalid UID(0x%08x), buffer_type(0x%02x)\n", __func__, + diag_register->unique_id, buffer_type); + return -EINVAL; + } + + if ((ioc->diag_buffer_status[buffer_type] & + MPT3_DIAG_BUFFER_IS_APP_OWNED) && + !(ioc->diag_buffer_status[buffer_type] & + MPT3_DIAG_BUFFER_IS_RELEASED)) { + ioc_err(ioc, + "%s: buffer_type(0x%02x) is already registered by application with UID(0x%08x)\n", + __func__, buffer_type, ioc->unique_id[buffer_type]); + return -EINVAL; + } + if (ioc->diag_buffer_status[buffer_type] & MPT3_DIAG_BUFFER_IS_REGISTERED) { - ioc_err(ioc, "%s: already has a registered buffer for buffer_type(0x%02x)\n", - __func__, buffer_type); - return -EINVAL; + /* + * If driver posts buffer initially, then an application wants + * to Register that buffer (own it) without Releasing first, + * the application Register command MUST have the same buffer + * type and size in the Register command (obtained from the + * Query command). Otherwise that Register command will be + * failed. If the application has released the buffer but wants + * to re-register it, it should be allowed as long as the + * Unique-Id/Size match. + */ + + if (ioc->unique_id[buffer_type] == MPT3DIAGBUFFUNIQUEID && + ioc->diag_buffer_sz[buffer_type] == + diag_register->requested_buffer_size) { + + if (!(ioc->diag_buffer_status[buffer_type] & + MPT3_DIAG_BUFFER_IS_RELEASED)) { + dctlprintk(ioc, ioc_info(ioc, + "%s: diag_buffer (%d) ownership changed. old-ID(0x%08x), new-ID(0x%08x)\n", + __func__, buffer_type, + ioc->unique_id[buffer_type], + diag_register->unique_id)); + + /* + * Application wants to own the buffer with + * the same size. + */ + ioc->unique_id[buffer_type] = + diag_register->unique_id; + rc = 0; /* success */ + goto out; + } + } else if (ioc->unique_id[buffer_type] != + MPT3DIAGBUFFUNIQUEID) { + if (ioc->unique_id[buffer_type] != + diag_register->unique_id || + ioc->diag_buffer_sz[buffer_type] != + diag_register->requested_buffer_size || + !(ioc->diag_buffer_status[buffer_type] & + MPT3_DIAG_BUFFER_IS_RELEASED)) { + ioc_err(ioc, + "%s: already has a registered buffer for buffer_type(0x%02x)\n", + __func__, buffer_type); + return -EINVAL; + } + } else { + ioc_err(ioc, "%s: already has a registered buffer for buffer_type(0x%02x)\n", + __func__, buffer_type); + return -EINVAL; + } + } else if (ioc->diag_buffer_status[buffer_type] & + MPT3_DIAG_BUFFER_IS_DRIVER_ALLOCATED) { + + if (ioc->unique_id[buffer_type] != MPT3DIAGBUFFUNIQUEID || + ioc->diag_buffer_sz[buffer_type] != + diag_register->requested_buffer_size) { + + ioc_err(ioc, + "%s: already a buffer is allocated for buffer_type(0x%02x) of size %d bytes, so please try registering again with same size\n", + __func__, buffer_type, + ioc->diag_buffer_sz[buffer_type]); + return -EINVAL; + } } if (diag_register->requested_buffer_size % 4) { @@ -1560,7 +1676,8 @@ _ctl_diag_register_2(struct MPT3SAS_ADAPTER *ioc, request_data = ioc->diag_buffer[buffer_type]; request_data_sz = diag_register->requested_buffer_size; ioc->unique_id[buffer_type] = diag_register->unique_id; - ioc->diag_buffer_status[buffer_type] = 0; + ioc->diag_buffer_status[buffer_type] &= + MPT3_DIAG_BUFFER_IS_DRIVER_ALLOCATED; memcpy(ioc->product_specific[buffer_type], diag_register->product_specific, MPT3_PRODUCT_SPECIFIC_DWORDS); ioc->diagnostic_flags[buffer_type] = diag_register->diagnostic_flags; @@ -1584,7 +1701,8 @@ _ctl_diag_register_2(struct MPT3SAS_ADAPTER *ioc, ioc_err(ioc, "%s: failed allocating memory for diag buffers, requested size(%d)\n", __func__, request_data_sz); mpt3sas_base_free_smid(ioc, smid); - return -ENOMEM; + rc = -ENOMEM; + goto out; } ioc->diag_buffer[buffer_type] = request_data; ioc->diag_buffer_sz[buffer_type] = request_data_sz; @@ -1649,9 +1767,12 @@ _ctl_diag_register_2(struct MPT3SAS_ADAPTER *ioc, out: - if (rc && request_data) + if (rc && request_data) { dma_free_coherent(&ioc->pdev->dev, request_data_sz, request_data, request_data_dma); + ioc->diag_buffer_status[buffer_type] &= + ~MPT3_DIAG_BUFFER_IS_DRIVER_ALLOCATED; + } ioc->ctl_cmds.status = MPT3_CMD_NOT_USED; return rc; @@ -1669,6 +1790,10 @@ void mpt3sas_enable_diag_buffer(struct MPT3SAS_ADAPTER *ioc, u8 bits_to_register) { struct mpt3_diag_register diag_register; + u32 ret_val; + u32 trace_buff_size = ioc->manu_pg11.HostTraceBufferMaxSizeKB<<10; + u32 min_trace_buff_size = 0; + u32 decr_trace_buff_size = 0; memset(&diag_register, 0, sizeof(struct mpt3_diag_register)); @@ -1677,10 +1802,68 @@ mpt3sas_enable_diag_buffer(struct MPT3SAS_ADAPTER *ioc, u8 bits_to_register) ioc->diag_trigger_master.MasterData = (MASTER_TRIGGER_FW_FAULT + MASTER_TRIGGER_ADAPTER_RESET); diag_register.buffer_type = MPI2_DIAG_BUF_TYPE_TRACE; - /* register for 2MB buffers */ - diag_register.requested_buffer_size = 2 * (1024 * 1024); - diag_register.unique_id = 0x7075900; - _ctl_diag_register_2(ioc, &diag_register); + diag_register.unique_id = + (ioc->hba_mpi_version_belonged == MPI2_VERSION) ? + (MPT2DIAGBUFFUNIQUEID):(MPT3DIAGBUFFUNIQUEID); + + if (trace_buff_size != 0) { + diag_register.requested_buffer_size = trace_buff_size; + min_trace_buff_size = + ioc->manu_pg11.HostTraceBufferMinSizeKB<<10; + decr_trace_buff_size = + ioc->manu_pg11.HostTraceBufferDecrementSizeKB<<10; + + if (min_trace_buff_size > trace_buff_size) { + /* The buff size is not set correctly */ + ioc_err(ioc, + "Min Trace Buff size (%d KB) greater than Max Trace Buff size (%d KB)\n", + min_trace_buff_size>>10, + trace_buff_size>>10); + ioc_err(ioc, + "Using zero Min Trace Buff Size\n"); + min_trace_buff_size = 0; + } + + if (decr_trace_buff_size == 0) { + /* + * retry the min size if decrement + * is not available. + */ + decr_trace_buff_size = + trace_buff_size - min_trace_buff_size; + } + } else { + /* register for 2MB buffers */ + diag_register.requested_buffer_size = 2 * (1024 * 1024); + } + + do { + ret_val = _ctl_diag_register_2(ioc, &diag_register); + + if (ret_val == -ENOMEM && min_trace_buff_size && + (trace_buff_size - decr_trace_buff_size) >= + min_trace_buff_size) { + /* adjust the buffer size */ + trace_buff_size -= decr_trace_buff_size; + diag_register.requested_buffer_size = + trace_buff_size; + } else + break; + } while (true); + + if (ret_val == -ENOMEM) + ioc_err(ioc, + "Cannot allocate trace buffer memory. Last memory tried = %d KB\n", + diag_register.requested_buffer_size>>10); + else if (ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] + & MPT3_DIAG_BUFFER_IS_REGISTERED) { + ioc_err(ioc, "Trace buffer memory %d KB allocated\n", + diag_register.requested_buffer_size>>10); + if (ioc->hba_mpi_version_belonged != MPI2_VERSION) + ioc->diag_buffer_status[ + MPI2_DIAG_BUF_TYPE_TRACE] |= + MPT3_DIAG_BUFFER_IS_DRIVER_ALLOCATED; + } } if (bits_to_register & 2) { @@ -1723,6 +1906,12 @@ _ctl_diag_register(struct MPT3SAS_ADAPTER *ioc, void __user *arg) } rc = _ctl_diag_register_2(ioc, &karg); + + if (!rc && (ioc->diag_buffer_status[karg.buffer_type] & + MPT3_DIAG_BUFFER_IS_REGISTERED)) + ioc->diag_buffer_status[karg.buffer_type] |= + MPT3_DIAG_BUFFER_IS_APP_OWNED; + return rc; } @@ -1752,7 +1941,13 @@ _ctl_diag_unregister(struct MPT3SAS_ADAPTER *ioc, void __user *arg) dctlprintk(ioc, ioc_info(ioc, "%s\n", __func__)); - buffer_type = karg.unique_id & 0x000000ff; + buffer_type = _ctl_diag_get_bufftype(ioc, karg.unique_id); + if (buffer_type == MPT3_DIAG_UID_NOT_FOUND) { + ioc_err(ioc, "%s: buffer with unique_id(0x%08x) not found\n", + __func__, karg.unique_id); + return -EINVAL; + } + if (!_ctl_diag_capability(ioc, buffer_type)) { ioc_err(ioc, "%s: doesn't have capability for buffer_type(0x%02x)\n", __func__, buffer_type); @@ -1785,12 +1980,21 @@ _ctl_diag_unregister(struct MPT3SAS_ADAPTER *ioc, void __user *arg) return -ENOMEM; } - request_data_sz = ioc->diag_buffer_sz[buffer_type]; - request_data_dma = ioc->diag_buffer_dma[buffer_type]; - dma_free_coherent(&ioc->pdev->dev, request_data_sz, - request_data, request_data_dma); - ioc->diag_buffer[buffer_type] = NULL; - ioc->diag_buffer_status[buffer_type] = 0; + if (ioc->diag_buffer_status[buffer_type] & + MPT3_DIAG_BUFFER_IS_DRIVER_ALLOCATED) { + ioc->unique_id[buffer_type] = MPT3DIAGBUFFUNIQUEID; + ioc->diag_buffer_status[buffer_type] &= + ~MPT3_DIAG_BUFFER_IS_APP_OWNED; + ioc->diag_buffer_status[buffer_type] &= + ~MPT3_DIAG_BUFFER_IS_REGISTERED; + } else { + request_data_sz = ioc->diag_buffer_sz[buffer_type]; + request_data_dma = ioc->diag_buffer_dma[buffer_type]; + dma_free_coherent(&ioc->pdev->dev, request_data_sz, + request_data, request_data_dma); + ioc->diag_buffer[buffer_type] = NULL; + ioc->diag_buffer_status[buffer_type] = 0; + } return 0; } @@ -1829,14 +2033,17 @@ _ctl_diag_query(struct MPT3SAS_ADAPTER *ioc, void __user *arg) return -EPERM; } - if ((ioc->diag_buffer_status[buffer_type] & - MPT3_DIAG_BUFFER_IS_REGISTERED) == 0) { - ioc_err(ioc, "%s: buffer_type(0x%02x) is not registered\n", - __func__, buffer_type); - return -EINVAL; + if (!(ioc->diag_buffer_status[buffer_type] & + MPT3_DIAG_BUFFER_IS_DRIVER_ALLOCATED)) { + if ((ioc->diag_buffer_status[buffer_type] & + MPT3_DIAG_BUFFER_IS_REGISTERED) == 0) { + ioc_err(ioc, "%s: buffer_type(0x%02x) is not registered\n", + __func__, buffer_type); + return -EINVAL; + } } - if (karg.unique_id & 0xffffff00) { + if (karg.unique_id) { if (karg.unique_id != ioc->unique_id[buffer_type]) { ioc_err(ioc, "%s: unique_id(0x%08x) is not registered\n", __func__, karg.unique_id); @@ -1851,13 +2058,21 @@ _ctl_diag_query(struct MPT3SAS_ADAPTER *ioc, void __user *arg) return -ENOMEM; } - if (ioc->diag_buffer_status[buffer_type] & MPT3_DIAG_BUFFER_IS_RELEASED) - karg.application_flags = (MPT3_APP_FLAGS_APP_OWNED | - MPT3_APP_FLAGS_BUFFER_VALID); - else - karg.application_flags = (MPT3_APP_FLAGS_APP_OWNED | - MPT3_APP_FLAGS_BUFFER_VALID | - MPT3_APP_FLAGS_FW_BUFFER_ACCESS); + if ((ioc->diag_buffer_status[buffer_type] & + MPT3_DIAG_BUFFER_IS_REGISTERED)) + karg.application_flags |= MPT3_APP_FLAGS_BUFFER_VALID; + + if (!(ioc->diag_buffer_status[buffer_type] & + MPT3_DIAG_BUFFER_IS_RELEASED)) + karg.application_flags |= MPT3_APP_FLAGS_FW_BUFFER_ACCESS; + + if (!(ioc->diag_buffer_status[buffer_type] & + MPT3_DIAG_BUFFER_IS_DRIVER_ALLOCATED)) + karg.application_flags |= MPT3_APP_FLAGS_DYNAMIC_BUFFER_ALLOC; + + if ((ioc->diag_buffer_status[buffer_type] & + MPT3_DIAG_BUFFER_IS_APP_OWNED)) + karg.application_flags |= MPT3_APP_FLAGS_APP_OWNED; for (i = 0; i < MPT3_PRODUCT_SPECIFIC_DWORDS; i++) karg.product_specific[i] = @@ -2002,7 +2217,13 @@ _ctl_diag_release(struct MPT3SAS_ADAPTER *ioc, void __user *arg) dctlprintk(ioc, ioc_info(ioc, "%s\n", __func__)); - buffer_type = karg.unique_id & 0x000000ff; + buffer_type = _ctl_diag_get_bufftype(ioc, karg.unique_id); + if (buffer_type == MPT3_DIAG_UID_NOT_FOUND) { + ioc_err(ioc, "%s: buffer with unique_id(0x%08x) not found\n", + __func__, karg.unique_id); + return -EINVAL; + } + if (!_ctl_diag_capability(ioc, buffer_type)) { ioc_err(ioc, "%s: doesn't have capability for buffer_type(0x%02x)\n", __func__, buffer_type); @@ -2026,7 +2247,7 @@ _ctl_diag_release(struct MPT3SAS_ADAPTER *ioc, void __user *arg) MPT3_DIAG_BUFFER_IS_RELEASED) { ioc_err(ioc, "%s: buffer_type(0x%02x) is already released\n", __func__, buffer_type); - return 0; + return -EINVAL; } request_data = ioc->diag_buffer[buffer_type]; @@ -2086,7 +2307,13 @@ _ctl_diag_read_buffer(struct MPT3SAS_ADAPTER *ioc, void __user *arg) dctlprintk(ioc, ioc_info(ioc, "%s\n", __func__)); - buffer_type = karg.unique_id & 0x000000ff; + buffer_type = _ctl_diag_get_bufftype(ioc, karg.unique_id); + if (buffer_type == MPT3_DIAG_UID_NOT_FOUND) { + ioc_err(ioc, "%s: buffer with unique_id(0x%08x) not found\n", + __func__, karg.unique_id); + return -EINVAL; + } + if (!_ctl_diag_capability(ioc, buffer_type)) { ioc_err(ioc, "%s: doesn't have capability for buffer_type(0x%02x)\n", __func__, buffer_type); @@ -2210,6 +2437,8 @@ _ctl_diag_read_buffer(struct MPT3SAS_ADAPTER *ioc, void __user *arg) if (ioc_status == MPI2_IOCSTATUS_SUCCESS) { ioc->diag_buffer_status[buffer_type] |= MPT3_DIAG_BUFFER_IS_REGISTERED; + ioc->diag_buffer_status[buffer_type] &= + ~MPT3_DIAG_BUFFER_IS_RELEASED; dctlprintk(ioc, ioc_info(ioc, "%s: success\n", __func__)); } else { ioc_info(ioc, "%s: ioc_status(0x%04x) log_info(0x%08x)\n", @@ -3130,10 +3359,49 @@ host_trace_buffer_enable_store(struct device *cdev, memset(&diag_register, 0, sizeof(struct mpt3_diag_register)); ioc_info(ioc, "posting host trace buffers\n"); diag_register.buffer_type = MPI2_DIAG_BUF_TYPE_TRACE; - diag_register.requested_buffer_size = (1024 * 1024); - diag_register.unique_id = 0x7075900; + + if (ioc->manu_pg11.HostTraceBufferMaxSizeKB != 0 && + ioc->diag_buffer_sz[MPI2_DIAG_BUF_TYPE_TRACE] != 0) { + /* post the same buffer allocated previously */ + diag_register.requested_buffer_size = + ioc->diag_buffer_sz[MPI2_DIAG_BUF_TYPE_TRACE]; + } else { + /* + * Free the diag buffer memory which was previously + * allocated by an application. + */ + if ((ioc->diag_buffer_sz[MPI2_DIAG_BUF_TYPE_TRACE] != 0) + && + (ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] & + MPT3_DIAG_BUFFER_IS_APP_OWNED)) { + pci_free_consistent(ioc->pdev, + ioc->diag_buffer_sz[ + MPI2_DIAG_BUF_TYPE_TRACE], + ioc->diag_buffer[MPI2_DIAG_BUF_TYPE_TRACE], + ioc->diag_buffer_dma[ + MPI2_DIAG_BUF_TYPE_TRACE]); + ioc->diag_buffer[MPI2_DIAG_BUF_TYPE_TRACE] = + NULL; + } + + diag_register.requested_buffer_size = (1024 * 1024); + } + + diag_register.unique_id = + (ioc->hba_mpi_version_belonged == MPI2_VERSION) ? + (MPT2DIAGBUFFUNIQUEID):(MPT3DIAGBUFFUNIQUEID); ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] = 0; _ctl_diag_register_2(ioc, &diag_register); + if (ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] & + MPT3_DIAG_BUFFER_IS_REGISTERED) { + ioc_info(ioc, + "Trace buffer %d KB allocated through sysfs\n", + diag_register.requested_buffer_size>>10); + if (ioc->hba_mpi_version_belonged != MPI2_VERSION) + ioc->diag_buffer_status[ + MPI2_DIAG_BUF_TYPE_TRACE] |= + MPT3_DIAG_BUFFER_IS_DRIVER_ALLOCATED; + } } else if (!strcmp(str, "release")) { /* exit out if host buffers are already released */ if (!ioc->diag_buffer[MPI2_DIAG_BUF_TYPE_TRACE]) @@ -3702,12 +3970,6 @@ mpt3sas_ctl_exit(ushort hbas_to_enumerate) for (i = 0; i < MPI2_DIAG_BUF_TYPE_COUNT; i++) { if (!ioc->diag_buffer[i]) continue; - if (!(ioc->diag_buffer_status[i] & - MPT3_DIAG_BUFFER_IS_REGISTERED)) - continue; - if ((ioc->diag_buffer_status[i] & - MPT3_DIAG_BUFFER_IS_RELEASED)) - continue; dma_free_coherent(&ioc->pdev->dev, ioc->diag_buffer_sz[i], ioc->diag_buffer[i], diff --git a/drivers/scsi/mpt3sas/mpt3sas_ctl.h b/drivers/scsi/mpt3sas/mpt3sas_ctl.h index 18b46faef6f1..0f7aa4ddade0 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_ctl.h +++ b/drivers/scsi/mpt3sas/mpt3sas_ctl.h @@ -95,6 +95,14 @@ #define MPT3DIAGREADBUFFER _IOWR(MPT3_MAGIC_NUMBER, 30, \ struct mpt3_diag_read_buffer) +/* Trace Buffer default UniqueId */ +#define MPT2DIAGBUFFUNIQUEID (0x07075900) +#define MPT3DIAGBUFFUNIQUEID (0x4252434D) + +/* UID not found */ +#define MPT3_DIAG_UID_NOT_FOUND (0xFF) + + /** * struct mpt3_ioctl_header - main header structure * @ioc_number - IOC unit number @@ -310,6 +318,7 @@ struct mpt3_ioctl_btdh_mapping { #define MPT3_APP_FLAGS_APP_OWNED (0x0001) #define MPT3_APP_FLAGS_BUFFER_VALID (0x0002) #define MPT3_APP_FLAGS_FW_BUFFER_ACCESS (0x0004) +#define MPT3_APP_FLAGS_DYNAMIC_BUFFER_ALLOC (0x0008) /* flags for mpt3_diag_read_buffer */ #define MPT3_FLAGS_REREGISTER (0x0001) diff --git a/drivers/scsi/mpt3sas/mpt3sas_scsih.c b/drivers/scsi/mpt3sas/mpt3sas_scsih.c index c8e512ba6d39..a038be8a0e90 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_scsih.c +++ b/drivers/scsi/mpt3sas/mpt3sas_scsih.c @@ -5161,7 +5161,7 @@ _scsih_smart_predicted_fault(struct MPT3SAS_ADAPTER *ioc, u16 handle) /* insert into event log */ sz = offsetof(Mpi2EventNotificationReply_t, EventData) + sizeof(Mpi2EventDataSasDeviceStatusChange_t); - event_reply = kzalloc(sz, GFP_KERNEL); + event_reply = kzalloc(sz, GFP_ATOMIC); if (!event_reply) { ioc_err(ioc, "failure at %s:%d/%s()!\n", __FILE__, __LINE__, __func__); @@ -10193,6 +10193,8 @@ scsih_scan_start(struct Scsi_Host *shost) int rc; if (diag_buffer_enable != -1 && diag_buffer_enable != 0) mpt3sas_enable_diag_buffer(ioc, diag_buffer_enable); + else if (ioc->manu_pg11.HostTraceBufferMaxSizeKB != 0) + mpt3sas_enable_diag_buffer(ioc, 1); if (disable_discovery > 0) return; diff --git a/drivers/scsi/mpt3sas/mpt3sas_trigger_diag.c b/drivers/scsi/mpt3sas/mpt3sas_trigger_diag.c index 6ac453fd5937..8ec9bab20ec4 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_trigger_diag.c +++ b/drivers/scsi/mpt3sas/mpt3sas_trigger_diag.c @@ -113,15 +113,21 @@ mpt3sas_process_trigger_data(struct MPT3SAS_ADAPTER *ioc, struct SL_WH_TRIGGERS_EVENT_DATA_T *event_data) { u8 issue_reset = 0; + u32 *trig_data = (u32 *)&event_data->u.master; dTriggerDiagPrintk(ioc, ioc_info(ioc, "%s: enter\n", __func__)); /* release the diag buffer trace */ if ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] & MPT3_DIAG_BUFFER_IS_RELEASED) == 0) { - dTriggerDiagPrintk(ioc, - ioc_info(ioc, "%s: release trace diag buffer\n", - __func__)); + /* + * add a log message so that user knows which event caused + * the release + */ + ioc_info(ioc, + "%s: Releasing the trace buffer. Trigger_Type 0x%08x, Data[0] 0x%08x, Data[1] 0x%08x\n", + __func__, event_data->trigger_type, + trig_data[0], trig_data[1]); mpt3sas_send_diag_release(ioc, MPI2_DIAG_BUF_TYPE_TRACE, &issue_reset); } |