diff options
Diffstat (limited to 'drivers/scsi/mpt2sas/mpt2sas_ctl.c')
| -rw-r--r-- | drivers/scsi/mpt2sas/mpt2sas_ctl.c | 197 |
1 files changed, 150 insertions, 47 deletions
diff --git a/drivers/scsi/mpt2sas/mpt2sas_ctl.c b/drivers/scsi/mpt2sas/mpt2sas_ctl.c index 57d724633906..84a124f8e21f 100644 --- a/drivers/scsi/mpt2sas/mpt2sas_ctl.c +++ b/drivers/scsi/mpt2sas/mpt2sas_ctl.c @@ -740,7 +740,7 @@ _ctl_do_mpt_command(struct MPT2SAS_ADAPTER *ioc, Mpi2SCSIIORequest_t *scsiio_request = (Mpi2SCSIIORequest_t *)mpi_request; scsiio_request->SenseBufferLowAddress = - (u32)mpt2sas_base_get_sense_buffer_dma(ioc, smid); + mpt2sas_base_get_sense_buffer_dma(ioc, smid); priv_sense = mpt2sas_base_get_sense_buffer(ioc, smid); memset(priv_sense, 0, SCSI_SENSE_BUFFERSIZE); mpt2sas_base_put_smid_scsi_io(ioc, smid, @@ -848,8 +848,9 @@ _ctl_do_mpt_command(struct MPT2SAS_ADAPTER *ioc, printk(MPT2SAS_DEBUG_FMT "TASK_MGMT: " "IOCStatus(0x%04x), IOCLogInfo(0x%08x), " "TerminationCount(0x%08x)\n", ioc->name, - tm_reply->IOCStatus, tm_reply->IOCLogInfo, - tm_reply->TerminationCount); + le16_to_cpu(tm_reply->IOCStatus), + le32_to_cpu(tm_reply->IOCLogInfo), + le32_to_cpu(tm_reply->TerminationCount)); } #endif /* copy out xdata to user */ @@ -896,6 +897,7 @@ _ctl_do_mpt_command(struct MPT2SAS_ADAPTER *ioc, printk(MPT2SAS_INFO_FMT "issue target reset: handle " "= (0x%04x)\n", ioc->name, mpi_request->FunctionDependent1); + mpt2sas_halt_firmware(ioc); mutex_lock(&ioc->tm_cmds.mutex); mpt2sas_scsih_issue_tm(ioc, mpi_request->FunctionDependent1, 0, @@ -1229,7 +1231,7 @@ _ctl_btdh_mapping(void __user *arg) /** * _ctl_diag_capability - return diag buffer capability * @ioc: per adapter object - * @buffer_type: specifies either TRACE or SNAPSHOT + * @buffer_type: specifies either TRACE, SNAPSHOT, or EXTENDED * * returns 1 when diag buffer support is enabled in firmware */ @@ -1249,24 +1251,25 @@ _ctl_diag_capability(struct MPT2SAS_ADAPTER *ioc, u8 buffer_type) MPI2_IOCFACTS_CAPABILITY_SNAPSHOT_BUFFER) rc = 1; break; + case MPI2_DIAG_BUF_TYPE_EXTENDED: + if (ioc->facts.IOCCapabilities & + MPI2_IOCFACTS_CAPABILITY_EXTENDED_BUFFER) + rc = 1; } return rc; } /** - * _ctl_diag_register - application register with driver - * @arg - user space buffer containing ioctl content - * @state - NON_BLOCKING or BLOCKING + * _ctl_diag_register_2 - wrapper for registering diag buffer support + * @ioc: per adapter object + * @diag_register: the diag_register struct passed in from user space * - * This will allow the driver to setup any required buffers that will be - * needed by firmware to communicate with the driver. */ static long -_ctl_diag_register(void __user *arg, enum block_state state) +_ctl_diag_register_2(struct MPT2SAS_ADAPTER *ioc, + struct mpt2_diag_register *diag_register) { - struct mpt2_diag_register karg; - struct MPT2SAS_ADAPTER *ioc; int rc, i; void *request_data = NULL; dma_addr_t request_data_dma; @@ -1279,18 +1282,17 @@ _ctl_diag_register(void __user *arg, enum block_state state) u16 ioc_status; u8 issue_reset = 0; - if (copy_from_user(&karg, arg, sizeof(karg))) { - printk(KERN_ERR "failure at %s:%d/%s()!\n", - __FILE__, __LINE__, __func__); - return -EFAULT; - } - if (_ctl_verify_adapter(karg.hdr.ioc_number, &ioc) == -1 || !ioc) - return -ENODEV; - dctlprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s\n", ioc->name, __func__)); - buffer_type = karg.buffer_type; + if (ioc->ctl_cmds.status != MPT2_CMD_NOT_USED) { + printk(MPT2SAS_ERR_FMT "%s: ctl_cmd in use\n", + ioc->name, __func__); + rc = -EAGAIN; + goto out; + } + + buffer_type = diag_register->buffer_type; if (!_ctl_diag_capability(ioc, buffer_type)) { printk(MPT2SAS_ERR_FMT "%s: doesn't have capability for " "buffer_type(0x%02x)\n", ioc->name, __func__, buffer_type); @@ -1305,24 +1307,12 @@ _ctl_diag_register(void __user *arg, enum block_state state) return -EINVAL; } - if (karg.requested_buffer_size % 4) { + if (diag_register->requested_buffer_size % 4) { printk(MPT2SAS_ERR_FMT "%s: the requested_buffer_size " "is not 4 byte aligned\n", ioc->name, __func__); return -EINVAL; } - if (state == NON_BLOCKING && !mutex_trylock(&ioc->ctl_cmds.mutex)) - return -EAGAIN; - else if (mutex_lock_interruptible(&ioc->ctl_cmds.mutex)) - return -ERESTARTSYS; - - if (ioc->ctl_cmds.status != MPT2_CMD_NOT_USED) { - printk(MPT2SAS_ERR_FMT "%s: ctl_cmd in use\n", - ioc->name, __func__); - rc = -EAGAIN; - goto out; - } - smid = mpt2sas_base_get_smid(ioc, ioc->ctl_cb_idx); if (!smid) { printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", @@ -1338,12 +1328,12 @@ _ctl_diag_register(void __user *arg, enum block_state state) ioc->ctl_cmds.smid = smid; request_data = ioc->diag_buffer[buffer_type]; - request_data_sz = karg.requested_buffer_size; - ioc->unique_id[buffer_type] = karg.unique_id; + request_data_sz = diag_register->requested_buffer_size; + ioc->unique_id[buffer_type] = diag_register->unique_id; ioc->diag_buffer_status[buffer_type] = 0; - memcpy(ioc->product_specific[buffer_type], karg.product_specific, - MPT2_PRODUCT_SPECIFIC_DWORDS); - ioc->diagnostic_flags[buffer_type] = karg.diagnostic_flags; + memcpy(ioc->product_specific[buffer_type], + diag_register->product_specific, MPT2_PRODUCT_SPECIFIC_DWORDS); + ioc->diagnostic_flags[buffer_type] = diag_register->diagnostic_flags; if (request_data) { request_data_dma = ioc->diag_buffer_dma[buffer_type]; @@ -1373,8 +1363,8 @@ _ctl_diag_register(void __user *arg, enum block_state state) } mpi_request->Function = MPI2_FUNCTION_DIAG_BUFFER_POST; - mpi_request->BufferType = karg.buffer_type; - mpi_request->Flags = cpu_to_le32(karg.diagnostic_flags); + mpi_request->BufferType = diag_register->buffer_type; + mpi_request->Flags = cpu_to_le32(diag_register->diagnostic_flags); mpi_request->BufferAddress = cpu_to_le64(request_data_dma); mpi_request->BufferLength = cpu_to_le32(request_data_sz); mpi_request->VF_ID = 0; /* TODO */ @@ -1422,7 +1412,7 @@ _ctl_diag_register(void __user *arg, enum block_state state) } else { printk(MPT2SAS_DEBUG_FMT "%s: ioc_status(0x%04x) " "log_info(0x%08x)\n", ioc->name, __func__, - ioc_status, mpi_reply->IOCLogInfo); + ioc_status, le32_to_cpu(mpi_reply->IOCLogInfo)); rc = -EFAULT; } @@ -1438,6 +1428,83 @@ _ctl_diag_register(void __user *arg, enum block_state state) request_data, request_data_dma); ioc->ctl_cmds.status = MPT2_CMD_NOT_USED; + return rc; +} + +/** + * mpt2sas_enable_diag_buffer - enabling diag_buffers support driver load time + * @ioc: per adapter object + * @bits_to_register: bitwise field where trace is bit 0, and snapshot is bit 1 + * + * This is called when command line option diag_buffer_enable is enabled + * at driver load time. + */ +void +mpt2sas_enable_diag_buffer(struct MPT2SAS_ADAPTER *ioc, u8 bits_to_register) +{ + struct mpt2_diag_register diag_register; + + memset(&diag_register, 0, sizeof(struct mpt2_diag_register)); + + if (bits_to_register & 1) { + printk(MPT2SAS_INFO_FMT "registering trace buffer support\n", + ioc->name); + diag_register.buffer_type = MPI2_DIAG_BUF_TYPE_TRACE; + /* register for 1MB buffers */ + diag_register.requested_buffer_size = (1024 * 1024); + diag_register.unique_id = 0x7075900; + _ctl_diag_register_2(ioc, &diag_register); + } + + if (bits_to_register & 2) { + printk(MPT2SAS_INFO_FMT "registering snapshot buffer support\n", + ioc->name); + diag_register.buffer_type = MPI2_DIAG_BUF_TYPE_SNAPSHOT; + /* register for 2MB buffers */ + diag_register.requested_buffer_size = 2 * (1024 * 1024); + diag_register.unique_id = 0x7075901; + _ctl_diag_register_2(ioc, &diag_register); + } + + if (bits_to_register & 4) { + printk(MPT2SAS_INFO_FMT "registering extended buffer support\n", + ioc->name); + diag_register.buffer_type = MPI2_DIAG_BUF_TYPE_EXTENDED; + /* register for 2MB buffers */ + diag_register.requested_buffer_size = 2 * (1024 * 1024); + diag_register.unique_id = 0x7075901; + _ctl_diag_register_2(ioc, &diag_register); + } +} + +/** + * _ctl_diag_register - application register with driver + * @arg - user space buffer containing ioctl content + * @state - NON_BLOCKING or BLOCKING + * + * This will allow the driver to setup any required buffers that will be + * needed by firmware to communicate with the driver. + */ +static long +_ctl_diag_register(void __user *arg, enum block_state state) +{ + struct mpt2_diag_register karg; + struct MPT2SAS_ADAPTER *ioc; + long rc; + + if (copy_from_user(&karg, arg, sizeof(karg))) { + printk(KERN_ERR "failure at %s:%d/%s()!\n", + __FILE__, __LINE__, __func__); + return -EFAULT; + } + if (_ctl_verify_adapter(karg.hdr.ioc_number, &ioc) == -1 || !ioc) + return -ENODEV; + + if (state == NON_BLOCKING && !mutex_trylock(&ioc->ctl_cmds.mutex)) + return -EAGAIN; + else if (mutex_lock_interruptible(&ioc->ctl_cmds.mutex)) + return -ERESTARTSYS; + rc = _ctl_diag_register_2(ioc, &karg); mutex_unlock(&ioc->ctl_cmds.mutex); return rc; } @@ -1600,7 +1667,7 @@ _ctl_diag_query(void __user *arg) /** * _ctl_send_release - Diag Release Message * @ioc: per adapter object - * @buffer_type - specifies either TRACE or SNAPSHOT + * @buffer_type - specifies either TRACE, SNAPSHOT, or EXTENDED * @issue_reset - specifies whether host reset is required. * */ @@ -1690,7 +1757,7 @@ _ctl_send_release(struct MPT2SAS_ADAPTER *ioc, u8 buffer_type, u8 *issue_reset) } else { printk(MPT2SAS_DEBUG_FMT "%s: ioc_status(0x%04x) " "log_info(0x%08x)\n", ioc->name, __func__, - ioc_status, mpi_reply->IOCLogInfo); + ioc_status, le32_to_cpu(mpi_reply->IOCLogInfo)); rc = -EFAULT; } @@ -1951,7 +2018,7 @@ _ctl_diag_read_buffer(void __user *arg, enum block_state state) } else { printk(MPT2SAS_DEBUG_FMT "%s: ioc_status(0x%04x) " "log_info(0x%08x)\n", ioc->name, __func__, - ioc_status, mpi_reply->IOCLogInfo); + ioc_status, le32_to_cpu(mpi_reply->IOCLogInfo)); rc = -EFAULT; } @@ -2474,6 +2541,43 @@ _ctl_logging_level_store(struct device *cdev, struct device_attribute *attr, static DEVICE_ATTR(logging_level, S_IRUGO | S_IWUSR, _ctl_logging_level_show, _ctl_logging_level_store); +/* device attributes */ +/* + * _ctl_fwfault_debug_show - show/store fwfault_debug + * @cdev - pointer to embedded class device + * @buf - the buffer returned + * + * mpt2sas_fwfault_debug is command line option + * A sysfs 'read/write' shost attribute. + */ +static ssize_t +_ctl_fwfault_debug_show(struct device *cdev, + struct device_attribute *attr, char *buf) +{ + struct Scsi_Host *shost = class_to_shost(cdev); + struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); + + return snprintf(buf, PAGE_SIZE, "%d\n", ioc->fwfault_debug); +} +static ssize_t +_ctl_fwfault_debug_store(struct device *cdev, + struct device_attribute *attr, const char *buf, size_t count) +{ + struct Scsi_Host *shost = class_to_shost(cdev); + struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); + int val = 0; + + if (sscanf(buf, "%d", &val) != 1) + return -EINVAL; + + ioc->fwfault_debug = val; + printk(MPT2SAS_INFO_FMT "fwfault_debug=%d\n", ioc->name, + ioc->fwfault_debug); + return strlen(buf); +} +static DEVICE_ATTR(fwfault_debug, S_IRUGO | S_IWUSR, + _ctl_fwfault_debug_show, _ctl_fwfault_debug_store); + struct device_attribute *mpt2sas_host_attrs[] = { &dev_attr_version_fw, &dev_attr_version_bios, @@ -2487,13 +2591,12 @@ struct device_attribute *mpt2sas_host_attrs[] = { &dev_attr_io_delay, &dev_attr_device_delay, &dev_attr_logging_level, + &dev_attr_fwfault_debug, &dev_attr_fw_queue_depth, &dev_attr_host_sas_address, NULL, }; -/* device attributes */ - /** * _ctl_device_sas_address_show - sas address * @cdev - pointer to embedded class device |