diff options
| -rw-r--r-- | drivers/scsi/mpt2sas/mpt2sas_transport.c | 242 |
1 files changed, 233 insertions, 9 deletions
diff --git a/drivers/scsi/mpt2sas/mpt2sas_transport.c b/drivers/scsi/mpt2sas/mpt2sas_transport.c index 778e149f9637..a96501fdba0c 100644 --- a/drivers/scsi/mpt2sas/mpt2sas_transport.c +++ b/drivers/scsi/mpt2sas/mpt2sas_transport.c @@ -951,11 +951,229 @@ _transport_find_local_phy(struct MPT2SAS_ADAPTER *ioc, struct sas_phy *phy) return NULL; } +/* report phy error log structure */ +struct phy_error_log_request{ + u8 smp_frame_type; /* 0x40 */ + u8 function; /* 0x11 */ + u8 allocated_response_length; + u8 request_length; /* 02 */ + u8 reserved_1[5]; + u8 phy_identifier; + u8 reserved_2[2]; +}; + +/* report phy error log reply structure */ +struct phy_error_log_reply{ + u8 smp_frame_type; /* 0x41 */ + u8 function; /* 0x11 */ + u8 function_result; + u8 response_length; + u16 expander_change_count; + u8 reserved_1[3]; + u8 phy_identifier; + u8 reserved_2[2]; + u32 invalid_dword; + u32 running_disparity_error; + u32 loss_of_dword_sync; + u32 phy_reset_problem; +}; + /** - * _transport_get_linkerrors - + * _transport_get_expander_phy_error_log - return expander counters + * @ioc: per adapter object + * @phy: The sas phy object + * + * Returns 0 for success, non-zero for failure. + * + */ +static int +_transport_get_expander_phy_error_log(struct MPT2SAS_ADAPTER *ioc, + struct sas_phy *phy) +{ + Mpi2SmpPassthroughRequest_t *mpi_request; + Mpi2SmpPassthroughReply_t *mpi_reply; + struct phy_error_log_request *phy_error_log_request; + struct phy_error_log_reply *phy_error_log_reply; + int rc; + u16 smid; + u32 ioc_state; + unsigned long timeleft; + void *psge; + u32 sgl_flags; + u8 issue_reset = 0; + void *data_out = NULL; + dma_addr_t data_out_dma; + u32 sz; + u64 *sas_address_le; + u16 wait_state_count; + + if (ioc->shost_recovery) { + printk(MPT2SAS_INFO_FMT "%s: host reset in progress!\n", + __func__, ioc->name); + return -EFAULT; + } + + mutex_lock(&ioc->transport_cmds.mutex); + + if (ioc->transport_cmds.status != MPT2_CMD_NOT_USED) { + printk(MPT2SAS_ERR_FMT "%s: transport_cmds in use\n", + ioc->name, __func__); + rc = -EAGAIN; + goto out; + } + ioc->transport_cmds.status = MPT2_CMD_PENDING; + + wait_state_count = 0; + ioc_state = mpt2sas_base_get_iocstate(ioc, 1); + while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) { + if (wait_state_count++ == 10) { + printk(MPT2SAS_ERR_FMT + "%s: failed due to ioc not operational\n", + ioc->name, __func__); + rc = -EFAULT; + goto out; + } + ssleep(1); + ioc_state = mpt2sas_base_get_iocstate(ioc, 1); + printk(MPT2SAS_INFO_FMT "%s: waiting for " + "operational state(count=%d)\n", ioc->name, + __func__, wait_state_count); + } + if (wait_state_count) + printk(MPT2SAS_INFO_FMT "%s: ioc is operational\n", + ioc->name, __func__); + + smid = mpt2sas_base_get_smid(ioc, ioc->transport_cb_idx); + if (!smid) { + printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", + ioc->name, __func__); + rc = -EAGAIN; + goto out; + } + + mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); + ioc->transport_cmds.smid = smid; + + sz = sizeof(struct phy_error_log_request) + + sizeof(struct phy_error_log_reply); + data_out = pci_alloc_consistent(ioc->pdev, sz, &data_out_dma); + if (!data_out) { + printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__, + __LINE__, __func__); + rc = -ENOMEM; + mpt2sas_base_free_smid(ioc, smid); + goto out; + } + + rc = -EINVAL; + memset(data_out, 0, sz); + phy_error_log_request = data_out; + phy_error_log_request->smp_frame_type = 0x40; + phy_error_log_request->function = 0x11; + phy_error_log_request->request_length = 2; + phy_error_log_request->allocated_response_length = 0; + phy_error_log_request->phy_identifier = phy->number; + + memset(mpi_request, 0, sizeof(Mpi2SmpPassthroughRequest_t)); + mpi_request->Function = MPI2_FUNCTION_SMP_PASSTHROUGH; + mpi_request->PhysicalPort = 0xFF; + mpi_request->VF_ID = 0; /* TODO */ + mpi_request->VP_ID = 0; + sas_address_le = (u64 *)&mpi_request->SASAddress; + *sas_address_le = cpu_to_le64(phy->identify.sas_address); + mpi_request->RequestDataLength = + cpu_to_le16(sizeof(struct phy_error_log_request)); + psge = &mpi_request->SGL; + + /* WRITE sgel first */ + sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT | + MPI2_SGE_FLAGS_END_OF_BUFFER | MPI2_SGE_FLAGS_HOST_TO_IOC); + sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT; + ioc->base_add_sg_single(psge, sgl_flags | + sizeof(struct phy_error_log_request), data_out_dma); + + /* incr sgel */ + psge += ioc->sge_size; + + /* READ sgel last */ + sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT | + MPI2_SGE_FLAGS_LAST_ELEMENT | MPI2_SGE_FLAGS_END_OF_BUFFER | + MPI2_SGE_FLAGS_END_OF_LIST); + sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT; + ioc->base_add_sg_single(psge, sgl_flags | + sizeof(struct phy_error_log_reply), data_out_dma + + sizeof(struct phy_error_log_request)); + + dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT "phy_error_log - " + "send to sas_addr(0x%016llx), phy(%d)\n", ioc->name, + (unsigned long long)phy->identify.sas_address, phy->number)); + mpt2sas_base_put_smid_default(ioc, smid); + init_completion(&ioc->transport_cmds.done); + timeleft = wait_for_completion_timeout(&ioc->transport_cmds.done, + 10*HZ); + + if (!(ioc->transport_cmds.status & MPT2_CMD_COMPLETE)) { + printk(MPT2SAS_ERR_FMT "%s: timeout\n", + ioc->name, __func__); + _debug_dump_mf(mpi_request, + sizeof(Mpi2SmpPassthroughRequest_t)/4); + if (!(ioc->transport_cmds.status & MPT2_CMD_RESET)) + issue_reset = 1; + goto issue_host_reset; + } + + dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT "phy_error_log - " + "complete\n", ioc->name)); + + if (ioc->transport_cmds.status & MPT2_CMD_REPLY_VALID) { + + mpi_reply = ioc->transport_cmds.reply; + + dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT + "phy_error_log - reply data transfer size(%d)\n", + ioc->name, le16_to_cpu(mpi_reply->ResponseDataLength))); + + if (le16_to_cpu(mpi_reply->ResponseDataLength) != + sizeof(struct phy_error_log_reply)) + goto out; + + phy_error_log_reply = data_out + + sizeof(struct phy_error_log_request); + + dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT + "phy_error_log - function_result(%d)\n", + ioc->name, phy_error_log_reply->function_result)); + + phy->invalid_dword_count = + be32_to_cpu(phy_error_log_reply->invalid_dword); + phy->running_disparity_error_count = + be32_to_cpu(phy_error_log_reply->running_disparity_error); + phy->loss_of_dword_sync_count = + be32_to_cpu(phy_error_log_reply->loss_of_dword_sync); + phy->phy_reset_problem_count = + be32_to_cpu(phy_error_log_reply->phy_reset_problem); + rc = 0; + } else + dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT + "phy_error_log - no reply\n", ioc->name)); + + issue_host_reset: + if (issue_reset) + mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, + FORCE_BIG_HAMMER); + out: + ioc->transport_cmds.status = MPT2_CMD_NOT_USED; + if (data_out) + pci_free_consistent(ioc->pdev, sz, data_out, data_out_dma); + + mutex_unlock(&ioc->transport_cmds.mutex); + return rc; +} + +/** + * _transport_get_linkerrors - return phy counters for both hba and expanders * @phy: The sas phy object * - * Only support sas_host direct attached phys. * Returns 0 for success, non-zero for failure. * */ @@ -963,17 +1181,24 @@ static int _transport_get_linkerrors(struct sas_phy *phy) { struct MPT2SAS_ADAPTER *ioc = phy_to_ioc(phy); - struct _sas_phy *mpt2sas_phy; + unsigned long flags; Mpi2ConfigReply_t mpi_reply; Mpi2SasPhyPage1_t phy_pg1; - mpt2sas_phy = _transport_find_local_phy(ioc, phy); - - if (!mpt2sas_phy) /* this phy not on sas_host */ + spin_lock_irqsave(&ioc->sas_node_lock, flags); + if (_transport_sas_node_find_by_sas_address(ioc, + phy->identify.sas_address) == NULL) { + spin_unlock_irqrestore(&ioc->sas_node_lock, flags); return -EINVAL; + } + spin_unlock_irqrestore(&ioc->sas_node_lock, flags); + + if (phy->identify.sas_address != ioc->sas_hba.sas_address) + return _transport_get_expander_phy_error_log(ioc, phy); + /* get hba phy error logs */ if ((mpt2sas_config_get_phy_pg1(ioc, &mpi_reply, &phy_pg1, - mpt2sas_phy->phy_id))) { + phy->number))) { printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", ioc->name, __FILE__, __LINE__, __func__); return -ENXIO; @@ -982,8 +1207,7 @@ _transport_get_linkerrors(struct sas_phy *phy) if (mpi_reply.IOCStatus || mpi_reply.IOCLogInfo) printk(MPT2SAS_INFO_FMT "phy(%d), ioc_status" "(0x%04x), loginfo(0x%08x)\n", ioc->name, - mpt2sas_phy->phy_id, - le16_to_cpu(mpi_reply.IOCStatus), + phy->number, le16_to_cpu(mpi_reply.IOCStatus), le32_to_cpu(mpi_reply.IOCLogInfo)); phy->invalid_dword_count = le32_to_cpu(phy_pg1.InvalidDwordCount); 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