diff options
Diffstat (limited to 'drivers/scsi/mpt3sas/mpt3sas_ctl.c')
| -rw-r--r-- | drivers/scsi/mpt3sas/mpt3sas_ctl.c | 2796 |
1 files changed, 2018 insertions, 778 deletions
diff --git a/drivers/scsi/mpt3sas/mpt3sas_ctl.c b/drivers/scsi/mpt3sas/mpt3sas_ctl.c index 9b89de14a0a3..3b951589feeb 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_ctl.c +++ b/drivers/scsi/mpt3sas/mpt3sas_ctl.c @@ -3,8 +3,9 @@ * controllers * * This code is based on drivers/scsi/mpt3sas/mpt3sas_ctl.c - * Copyright (C) 2012-2013 LSI Corporation - * (mailto:DL-MPTFusionLinux@lsi.com) + * Copyright (C) 2012-2014 LSI Corporation + * Copyright (C) 2013-2014 Avago Technologies + * (mailto: MPT-FusionLinux.pdl@avagotech.com) * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License @@ -77,33 +78,6 @@ enum block_state { BLOCKING, }; -#ifdef CONFIG_SCSI_MPT3SAS_LOGGING -/** - * _ctl_sas_device_find_by_handle - sas device search - * @ioc: per adapter object - * @handle: sas device handle (assigned by firmware) - * Context: Calling function should acquire ioc->sas_device_lock - * - * This searches for sas_device based on sas_address, then return sas_device - * object. - */ -static struct _sas_device * -_ctl_sas_device_find_by_handle(struct MPT3SAS_ADAPTER *ioc, u16 handle) -{ - struct _sas_device *sas_device, *r; - - r = NULL; - list_for_each_entry(sas_device, &ioc->sas_device_list, list) { - if (sas_device->handle != handle) - continue; - r = sas_device; - goto out; - } - - out: - return r; -} - /** * _ctl_display_some_debug - debug routine * @ioc: per adapter object @@ -206,22 +180,29 @@ _ctl_display_some_debug(struct MPT3SAS_ADAPTER *ioc, u16 smid, case MPI2_FUNCTION_SMP_PASSTHROUGH: desc = "smp_passthrough"; break; + case MPI2_FUNCTION_TOOLBOX: + desc = "toolbox"; + break; + case MPI2_FUNCTION_NVME_ENCAPSULATED: + desc = "nvme_encapsulated"; + break; + case MPI2_FUNCTION_MCTP_PASSTHROUGH: + desc = "mctp_passthrough"; + break; } if (!desc) return; - pr_info(MPT3SAS_FMT "%s: %s, smid(%d)\n", - ioc->name, calling_function_name, desc, smid); + ioc_info(ioc, "%s: %s, smid(%d)\n", calling_function_name, desc, smid); if (!mpi_reply) return; if (mpi_reply->IOCStatus || mpi_reply->IOCLogInfo) - pr_info(MPT3SAS_FMT - "\tiocstatus(0x%04x), loginfo(0x%08x)\n", - ioc->name, le16_to_cpu(mpi_reply->IOCStatus), - le32_to_cpu(mpi_reply->IOCLogInfo)); + ioc_info(ioc, "\tiocstatus(0x%04x), loginfo(0x%08x)\n", + le16_to_cpu(mpi_reply->IOCStatus), + le32_to_cpu(mpi_reply->IOCLogInfo)); if (mpi_request->Function == MPI2_FUNCTION_SCSI_IO_REQUEST || mpi_request->Function == @@ -229,32 +210,40 @@ _ctl_display_some_debug(struct MPT3SAS_ADAPTER *ioc, u16 smid, Mpi2SCSIIOReply_t *scsi_reply = (Mpi2SCSIIOReply_t *)mpi_reply; struct _sas_device *sas_device = NULL; - unsigned long flags; + struct _pcie_device *pcie_device = NULL; - spin_lock_irqsave(&ioc->sas_device_lock, flags); - sas_device = _ctl_sas_device_find_by_handle(ioc, + sas_device = mpt3sas_get_sdev_by_handle(ioc, le16_to_cpu(scsi_reply->DevHandle)); if (sas_device) { - pr_warn(MPT3SAS_FMT "\tsas_address(0x%016llx), phy(%d)\n", - ioc->name, (unsigned long long) - sas_device->sas_address, sas_device->phy); - pr_warn(MPT3SAS_FMT - "\tenclosure_logical_id(0x%016llx), slot(%d)\n", - ioc->name, (unsigned long long) - sas_device->enclosure_logical_id, sas_device->slot); + ioc_warn(ioc, "\tsas_address(0x%016llx), phy(%d)\n", + (u64)sas_device->sas_address, + sas_device->phy); + ioc_warn(ioc, "\tenclosure_logical_id(0x%016llx), slot(%d)\n", + (u64)sas_device->enclosure_logical_id, + sas_device->slot); + sas_device_put(sas_device); + } + if (!sas_device) { + pcie_device = mpt3sas_get_pdev_by_handle(ioc, + le16_to_cpu(scsi_reply->DevHandle)); + if (pcie_device) { + ioc_warn(ioc, "\tWWID(0x%016llx), port(%d)\n", + (unsigned long long)pcie_device->wwid, + pcie_device->port_num); + if (pcie_device->enclosure_handle != 0) + ioc_warn(ioc, "\tenclosure_logical_id(0x%016llx), slot(%d)\n", + (u64)pcie_device->enclosure_logical_id, + pcie_device->slot); + pcie_device_put(pcie_device); + } } - spin_unlock_irqrestore(&ioc->sas_device_lock, flags); if (scsi_reply->SCSIState || scsi_reply->SCSIStatus) - pr_info(MPT3SAS_FMT - "\tscsi_state(0x%02x), scsi_status" - "(0x%02x)\n", ioc->name, - scsi_reply->SCSIState, - scsi_reply->SCSIStatus); + ioc_info(ioc, "\tscsi_state(0x%02x), scsi_status(0x%02x)\n", + scsi_reply->SCSIState, + scsi_reply->SCSIStatus); } } -#endif - /** * mpt3sas_ctl_done - ctl module completion routine * @ioc: per adapter object @@ -265,8 +254,8 @@ _ctl_display_some_debug(struct MPT3SAS_ADAPTER *ioc, u16 smid, * * The callback handler when using ioc->ctl_cb_idx. * - * Return 1 meaning mf should be freed from _base_interrupt - * 0 means the mf is freed from this function. + * Return: 1 meaning mf should be freed from _base_interrupt + * 0 means the mf is freed from this function. */ u8 mpt3sas_ctl_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index, @@ -274,6 +263,7 @@ mpt3sas_ctl_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index, { MPI2DefaultReply_t *mpi_reply; Mpi2SCSIIOReply_t *scsiio_reply; + Mpi26NVMeEncapsulatedErrorReply_t *nvme_error_reply; const void *sense_data; u32 sz; @@ -300,10 +290,21 @@ mpt3sas_ctl_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index, memcpy(ioc->ctl_cmds.sense, sense_data, sz); } } + /* + * Get Error Response data for NVMe device. The ctl_cmds.sense + * buffer is used to store the Error Response data. + */ + if (mpi_reply->Function == MPI2_FUNCTION_NVME_ENCAPSULATED) { + nvme_error_reply = + (Mpi26NVMeEncapsulatedErrorReply_t *)mpi_reply; + sz = min_t(u32, NVME_ERROR_RESPONSE_SIZE, + le16_to_cpu(nvme_error_reply->ErrorResponseCount)); + sense_data = mpt3sas_base_get_sense_buffer(ioc, smid); + memcpy(ioc->ctl_cmds.sense, sense_data, sz); + } } -#ifdef CONFIG_SCSI_MPT3SAS_LOGGING + _ctl_display_some_debug(ioc, smid, "ctl_done", mpi_reply); -#endif ioc->ctl_cmds.status &= ~MPT3_CMD_PENDING; complete(&ioc->ctl_cmds.done); return 1; @@ -317,7 +318,7 @@ mpt3sas_ctl_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index, * The bitmask in ioc->event_type[] indicates which events should be * be saved in the driver event_log. This bitmask is set by application. * - * Returns 1 when event should be captured, or zero means no match. + * Return: 1 when event should be captured, or zero means no match. */ static int _ctl_check_event_type(struct MPT3SAS_ADAPTER *ioc, u16 event) @@ -339,8 +340,6 @@ _ctl_check_event_type(struct MPT3SAS_ADAPTER *ioc, u16 event) * mpt3sas_ctl_add_to_event_log - add event * @ioc: per adapter object * @mpi_reply: reply message frame - * - * Return nothing. */ void mpt3sas_ctl_add_to_event_log(struct MPT3SAS_ADAPTER *ioc, @@ -395,8 +394,8 @@ mpt3sas_ctl_add_to_event_log(struct MPT3SAS_ADAPTER *ioc, * This function merely adds a new work task into ioc->firmware_event_thread. * The tasks are worked from _firmware_event_work in user context. * - * Return 1 meaning mf should be freed from _base_interrupt - * 0 means the mf is freed from this function. + * Return: 1 meaning mf should be freed from _base_interrupt + * 0 means the mf is freed from this function. */ u8 mpt3sas_ctl_event_callback(struct MPT3SAS_ADAPTER *ioc, u8 msix_index, @@ -405,94 +404,136 @@ mpt3sas_ctl_event_callback(struct MPT3SAS_ADAPTER *ioc, u8 msix_index, Mpi2EventNotificationReply_t *mpi_reply; mpi_reply = mpt3sas_base_get_reply_virt_addr(ioc, reply); - mpt3sas_ctl_add_to_event_log(ioc, mpi_reply); + if (mpi_reply) + mpt3sas_ctl_add_to_event_log(ioc, mpi_reply); return 1; } /** * _ctl_verify_adapter - validates ioc_number passed from application - * @ioc: per adapter object + * @ioc_number: ? * @iocpp: The ioc pointer is returned in this. + * @mpi_version: will be MPI2_VERSION for mpt2ctl ioctl device & + * MPI25_VERSION | MPI26_VERSION for mpt3ctl ioctl device. * - * Return (-1) means error, else ioc_number. + * Return: (-1) means error, else ioc_number. */ static int -_ctl_verify_adapter(int ioc_number, struct MPT3SAS_ADAPTER **iocpp) +_ctl_verify_adapter(int ioc_number, struct MPT3SAS_ADAPTER **iocpp, + int mpi_version) { struct MPT3SAS_ADAPTER *ioc; - + int version = 0; + /* global ioc lock to protect controller on list operations */ + spin_lock(&gioc_lock); list_for_each_entry(ioc, &mpt3sas_ioc_list, list) { if (ioc->id != ioc_number) continue; + /* Check whether this ioctl command is from right + * ioctl device or not, if not continue the search. + */ + version = ioc->hba_mpi_version_belonged; + /* MPI25_VERSION and MPI26_VERSION uses same ioctl + * device. + */ + if (mpi_version == (MPI25_VERSION | MPI26_VERSION)) { + if ((version == MPI25_VERSION) || + (version == MPI26_VERSION)) + goto out; + else + continue; + } else { + if (version != mpi_version) + continue; + } +out: + spin_unlock(&gioc_lock); *iocpp = ioc; return ioc_number; } + spin_unlock(&gioc_lock); *iocpp = NULL; return -1; } /** - * mpt3sas_ctl_reset_handler - reset callback handler (for ctl) + * mpt3sas_ctl_pre_reset_handler - reset callback handler (for ctl) * @ioc: per adapter object - * @reset_phase: phase * * The handler for doing any required cleanup or initialization. - * - * The reset phase can be MPT3_IOC_PRE_RESET, MPT3_IOC_AFTER_RESET, - * MPT3_IOC_DONE_RESET */ -void -mpt3sas_ctl_reset_handler(struct MPT3SAS_ADAPTER *ioc, int reset_phase) +void mpt3sas_ctl_pre_reset_handler(struct MPT3SAS_ADAPTER *ioc) { int i; u8 issue_reset; - switch (reset_phase) { - case MPT3_IOC_PRE_RESET: - dtmprintk(ioc, pr_info(MPT3SAS_FMT - "%s: MPT3_IOC_PRE_RESET\n", ioc->name, __func__)); - for (i = 0; i < MPI2_DIAG_BUF_TYPE_COUNT; i++) { - if (!(ioc->diag_buffer_status[i] & - MPT3_DIAG_BUFFER_IS_REGISTERED)) - continue; - if ((ioc->diag_buffer_status[i] & - MPT3_DIAG_BUFFER_IS_RELEASED)) - continue; - mpt3sas_send_diag_release(ioc, i, &issue_reset); - } - break; - case MPT3_IOC_AFTER_RESET: - dtmprintk(ioc, pr_info(MPT3SAS_FMT - "%s: MPT3_IOC_AFTER_RESET\n", ioc->name, __func__)); - if (ioc->ctl_cmds.status & MPT3_CMD_PENDING) { - ioc->ctl_cmds.status |= MPT3_CMD_RESET; - mpt3sas_base_free_smid(ioc, ioc->ctl_cmds.smid); - complete(&ioc->ctl_cmds.done); - } - break; - case MPT3_IOC_DONE_RESET: - dtmprintk(ioc, pr_info(MPT3SAS_FMT - "%s: MPT3_IOC_DONE_RESET\n", ioc->name, __func__)); + dtmprintk(ioc, ioc_info(ioc, "%s: MPT3_IOC_PRE_RESET\n", __func__)); + for (i = 0; i < MPI2_DIAG_BUF_TYPE_COUNT; i++) { + if (!(ioc->diag_buffer_status[i] & + MPT3_DIAG_BUFFER_IS_REGISTERED)) + continue; + if ((ioc->diag_buffer_status[i] & + MPT3_DIAG_BUFFER_IS_RELEASED)) + continue; - for (i = 0; i < MPI2_DIAG_BUF_TYPE_COUNT; i++) { - if (!(ioc->diag_buffer_status[i] & - MPT3_DIAG_BUFFER_IS_REGISTERED)) - continue; - if ((ioc->diag_buffer_status[i] & - MPT3_DIAG_BUFFER_IS_RELEASED)) - continue; - ioc->diag_buffer_status[i] |= - MPT3_DIAG_BUFFER_IS_DIAG_RESET; - } - break; + /* + * add a log message to indicate the release + */ + ioc_info(ioc, + "%s: Releasing the trace buffer due to adapter reset.", + __func__); + ioc->htb_rel.buffer_rel_condition = + MPT3_DIAG_BUFFER_REL_TRIGGER; + mpt3sas_send_diag_release(ioc, i, &issue_reset); + } +} + +/** + * mpt3sas_ctl_clear_outstanding_ioctls - clears outstanding ioctl cmd. + * @ioc: per adapter object + * + * The handler for doing any required cleanup or initialization. + */ +void mpt3sas_ctl_clear_outstanding_ioctls(struct MPT3SAS_ADAPTER *ioc) +{ + dtmprintk(ioc, + ioc_info(ioc, "%s: clear outstanding ioctl cmd\n", __func__)); + if (ioc->ctl_cmds.status & MPT3_CMD_PENDING) { + ioc->ctl_cmds.status |= MPT3_CMD_RESET; + mpt3sas_base_free_smid(ioc, ioc->ctl_cmds.smid); + complete(&ioc->ctl_cmds.done); + } +} + +/** + * mpt3sas_ctl_reset_done_handler - reset callback handler (for ctl) + * @ioc: per adapter object + * + * The handler for doing any required cleanup or initialization. + */ +void mpt3sas_ctl_reset_done_handler(struct MPT3SAS_ADAPTER *ioc) +{ + int i; + + dtmprintk(ioc, ioc_info(ioc, "%s: MPT3_IOC_DONE_RESET\n", __func__)); + + for (i = 0; i < MPI2_DIAG_BUF_TYPE_COUNT; i++) { + if (!(ioc->diag_buffer_status[i] & + MPT3_DIAG_BUFFER_IS_REGISTERED)) + continue; + if ((ioc->diag_buffer_status[i] & + MPT3_DIAG_BUFFER_IS_RELEASED)) + continue; + ioc->diag_buffer_status[i] |= + MPT3_DIAG_BUFFER_IS_DIAG_RESET; } } /** * _ctl_fasync - - * @fd - - * @filep - - * @mode - + * @fd: ? + * @filep: ? + * @mode: ? * * Called when application request fasyn callback handler. */ @@ -504,43 +545,47 @@ _ctl_fasync(int fd, struct file *filep, int mode) /** * _ctl_poll - - * @file - - * @wait - + * @filep: ? + * @wait: ? * */ -static unsigned int +static __poll_t _ctl_poll(struct file *filep, poll_table *wait) { struct MPT3SAS_ADAPTER *ioc; poll_wait(filep, &ctl_poll_wait, wait); + /* global ioc lock to protect controller on list operations */ + spin_lock(&gioc_lock); list_for_each_entry(ioc, &mpt3sas_ioc_list, list) { - if (ioc->aen_event_read_flag) - return POLLIN | POLLRDNORM; + if (ioc->aen_event_read_flag) { + spin_unlock(&gioc_lock); + return EPOLLIN | EPOLLRDNORM; + } } + spin_unlock(&gioc_lock); return 0; } /** * _ctl_set_task_mid - assign an active smid to tm request * @ioc: per adapter object - * @karg - (struct mpt3_ioctl_command) - * @tm_request - pointer to mf from user space + * @karg: (struct mpt3_ioctl_command) + * @tm_request: pointer to mf from user space * - * Returns 0 when an smid if found, else fail. + * Return: 0 when an smid if found, else fail. * during failure, the reply frame is filled. */ static int _ctl_set_task_mid(struct MPT3SAS_ADAPTER *ioc, struct mpt3_ioctl_command *karg, Mpi2SCSITaskManagementRequest_t *tm_request) { - u8 found = 0; - u16 i; + bool found = false; + u16 smid; u16 handle; struct scsi_cmnd *scmd; struct MPT3SAS_DEVICE *priv_data; - unsigned long flags; Mpi2SCSITaskManagementReply_t *tm_reply; u32 sz; u32 lun; @@ -556,11 +601,12 @@ _ctl_set_task_mid(struct MPT3SAS_ADAPTER *ioc, struct mpt3_ioctl_command *karg, lun = scsilun_to_int((struct scsi_lun *)tm_request->LUN); handle = le16_to_cpu(tm_request->DevHandle); - spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); - for (i = ioc->scsiio_depth; i && !found; i--) { - scmd = ioc->scsi_lookup[i - 1].scmd; - if (scmd == NULL || scmd->device == NULL || - scmd->device->hostdata == NULL) + for (smid = ioc->scsiio_depth; smid && !found; smid--) { + struct scsiio_tracker *st; + __le16 task_mid; + + scmd = mpt3sas_scsih_scsi_lookup_get(ioc, smid); + if (!scmd) continue; if (lun != scmd->device->lun) continue; @@ -569,16 +615,24 @@ _ctl_set_task_mid(struct MPT3SAS_ADAPTER *ioc, struct mpt3_ioctl_command *karg, continue; if (priv_data->sas_target->handle != handle) continue; - tm_request->TaskMID = cpu_to_le16(ioc->scsi_lookup[i - 1].smid); - found = 1; + st = scsi_cmd_priv(scmd); + + /* + * If the given TaskMID from the user space is zero, then the + * first outstanding smid will be picked up. Otherwise, + * targeted smid will be the one. + */ + task_mid = cpu_to_le16(st->smid); + if (!tm_request->TaskMID) + tm_request->TaskMID = task_mid; + found = tm_request->TaskMID == task_mid; } - spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); if (!found) { - dctlprintk(ioc, pr_info(MPT3SAS_FMT - "%s: handle(0x%04x), lun(%d), no active mid!!\n", - ioc->name, - desc, le16_to_cpu(tm_request->DevHandle), lun)); + dctlprintk(ioc, + ioc_info(ioc, "%s: handle(0x%04x), lun(%d), no active mid!!\n", + desc, le16_to_cpu(tm_request->DevHandle), + lun)); tm_reply = ioc->ctl_cmds.reply; tm_reply->DevHandle = tm_request->DevHandle; tm_reply->Function = MPI2_FUNCTION_SCSI_TASK_MGMT; @@ -594,18 +648,52 @@ _ctl_set_task_mid(struct MPT3SAS_ADAPTER *ioc, struct mpt3_ioctl_command *karg, return 1; } - dctlprintk(ioc, pr_info(MPT3SAS_FMT - "%s: handle(0x%04x), lun(%d), task_mid(%d)\n", ioc->name, - desc, le16_to_cpu(tm_request->DevHandle), lun, - le16_to_cpu(tm_request->TaskMID))); + dctlprintk(ioc, + ioc_info(ioc, "%s: handle(0x%04x), lun(%d), task_mid(%d)\n", + desc, le16_to_cpu(tm_request->DevHandle), lun, + le16_to_cpu(tm_request->TaskMID))); return 0; } /** + * _ctl_send_mctp_passthru_req - Send an MCTP passthru request + * @ioc: per adapter object + * @mctp_passthru_req: MPI mctp passhthru request from caller + * @psge: pointer to the H2DSGL + * @data_out_dma: DMA buffer for H2D SGL + * @data_out_sz: H2D length + * @data_in_dma: DMA buffer for D2H SGL + * @data_in_sz: D2H length + * @smid: SMID to submit the request + * + */ +static void +_ctl_send_mctp_passthru_req( + struct MPT3SAS_ADAPTER *ioc, + Mpi26MctpPassthroughRequest_t *mctp_passthru_req, void *psge, + dma_addr_t data_out_dma, int data_out_sz, + dma_addr_t data_in_dma, int data_in_sz, + u16 smid) +{ + mctp_passthru_req->H2DLength = data_out_sz; + mctp_passthru_req->D2HLength = data_in_sz; + + /* Build the H2D SGL from the data out buffer */ + ioc->build_sg(ioc, psge, data_out_dma, data_out_sz, 0, 0); + + psge += ioc->sge_size_ieee; + + /* Build the D2H SGL for the data in buffer */ + ioc->build_sg(ioc, psge, 0, 0, data_in_dma, data_in_sz); + + ioc->put_smid_default(ioc, smid); +} + +/** * _ctl_do_mpt_command - main handler for MPT3COMMAND opcode * @ioc: per adapter object - * @karg - (struct mpt3_ioctl_command) - * @mf - pointer to mf in user space + * @karg: (struct mpt3_ioctl_command) + * @mf: pointer to mf in user space */ static long _ctl_do_mpt_command(struct MPT3SAS_ADAPTER *ioc, struct mpt3_ioctl_command karg, @@ -613,12 +701,12 @@ _ctl_do_mpt_command(struct MPT3SAS_ADAPTER *ioc, struct mpt3_ioctl_command karg, { MPI2RequestHeader_t *mpi_request = NULL, *request; MPI2DefaultReply_t *mpi_reply; - u32 ioc_state; - u16 ioc_status; + Mpi26NVMeEncapsulatedRequest_t *nvme_encap_request = NULL; + struct _pcie_device *pcie_device = NULL; u16 smid; - unsigned long timeout, timeleft; + unsigned long timeout; u8 issue_reset; - u32 sz; + u32 sz, sz_arg; void *psge; void *data_out = NULL; dma_addr_t data_out_dma = 0; @@ -627,43 +715,25 @@ _ctl_do_mpt_command(struct MPT3SAS_ADAPTER *ioc, struct mpt3_ioctl_command karg, dma_addr_t data_in_dma = 0; size_t data_in_sz = 0; long ret; - u16 wait_state_count; + u16 device_handle = MPT3SAS_INVALID_DEVICE_HANDLE; + int tm_ret; issue_reset = 0; if (ioc->ctl_cmds.status != MPT3_CMD_NOT_USED) { - pr_err(MPT3SAS_FMT "%s: ctl_cmd in use\n", - ioc->name, __func__); + ioc_err(ioc, "%s: ctl_cmd in use\n", __func__); ret = -EAGAIN; goto out; } - wait_state_count = 0; - ioc_state = mpt3sas_base_get_iocstate(ioc, 1); - while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) { - if (wait_state_count++ == 10) { - pr_err(MPT3SAS_FMT - "%s: failed due to ioc not operational\n", - ioc->name, __func__); - ret = -EFAULT; - goto out; - } - ssleep(1); - ioc_state = mpt3sas_base_get_iocstate(ioc, 1); - pr_info(MPT3SAS_FMT - "%s: waiting for operational state(count=%d)\n", - ioc->name, - __func__, wait_state_count); - } - if (wait_state_count) - pr_info(MPT3SAS_FMT "%s: ioc is operational\n", - ioc->name, __func__); + ret = mpt3sas_wait_for_ioc(ioc, IOC_OPERATIONAL_WAIT_COUNT); + if (ret) + goto out; mpi_request = kzalloc(ioc->request_sz, GFP_KERNEL); if (!mpi_request) { - pr_err(MPT3SAS_FMT - "%s: failed obtaining a memory for mpi_request\n", - ioc->name, __func__); + ioc_err(ioc, "%s: failed obtaining a memory for mpi_request\n", + __func__); ret = -ENOMEM; goto out; } @@ -686,36 +756,34 @@ _ctl_do_mpt_command(struct MPT3SAS_ADAPTER *ioc, struct mpt3_ioctl_command karg, if (mpi_request->Function == MPI2_FUNCTION_SCSI_TASK_MGMT) { smid = mpt3sas_base_get_smid_hpr(ioc, ioc->ctl_cb_idx); if (!smid) { - pr_err(MPT3SAS_FMT "%s: failed obtaining a smid\n", - ioc->name, __func__); + ioc_err(ioc, "%s: failed obtaining a smid\n", __func__); ret = -EAGAIN; goto out; } } else { - - smid = mpt3sas_base_get_smid_scsiio(ioc, ioc->ctl_cb_idx, NULL); - if (!smid) { - pr_err(MPT3SAS_FMT "%s: failed obtaining a smid\n", - ioc->name, __func__); - ret = -EAGAIN; - goto out; - } + /* Use first reserved smid for passthrough ioctls */ + smid = ioc->scsiio_depth - INTERNAL_SCSIIO_CMDS_COUNT + 1; } ret = 0; ioc->ctl_cmds.status = MPT3_CMD_PENDING; memset(ioc->ctl_cmds.reply, 0, ioc->reply_sz); request = mpt3sas_base_get_msg_frame(ioc, smid); + memset(request, 0, ioc->request_sz); memcpy(request, mpi_request, karg.data_sge_offset*4); ioc->ctl_cmds.smid = smid; data_out_sz = karg.data_out_size; data_in_sz = karg.data_in_size; if (mpi_request->Function == MPI2_FUNCTION_SCSI_IO_REQUEST || - mpi_request->Function == MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH) { - if (!le16_to_cpu(mpi_request->FunctionDependent1) || - le16_to_cpu(mpi_request->FunctionDependent1) > - ioc->facts.MaxDevHandle) { + mpi_request->Function == MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH || + mpi_request->Function == MPI2_FUNCTION_SCSI_TASK_MGMT || + mpi_request->Function == MPI2_FUNCTION_SATA_PASSTHROUGH || + mpi_request->Function == MPI2_FUNCTION_NVME_ENCAPSULATED) { + + device_handle = le16_to_cpu(mpi_request->FunctionDependent1); + if (!device_handle || (device_handle > + ioc->facts.MaxDevHandle)) { ret = -EINVAL; mpt3sas_base_free_smid(ioc, smid); goto out; @@ -724,8 +792,8 @@ _ctl_do_mpt_command(struct MPT3SAS_ADAPTER *ioc, struct mpt3_ioctl_command karg, /* obtain dma-able memory for data transfer */ if (data_out_sz) /* WRITE */ { - data_out = pci_alloc_consistent(ioc->pdev, data_out_sz, - &data_out_dma); + data_out = dma_alloc_coherent(&ioc->pdev->dev, data_out_sz, + &data_out_dma, GFP_KERNEL); if (!data_out) { pr_err("failure at %s:%d/%s()!\n", __FILE__, __LINE__, __func__); @@ -744,8 +812,8 @@ _ctl_do_mpt_command(struct MPT3SAS_ADAPTER *ioc, struct mpt3_ioctl_command karg, } if (data_in_sz) /* READ */ { - data_in = pci_alloc_consistent(ioc->pdev, data_in_sz, - &data_in_dma); + data_in = dma_alloc_coherent(&ioc->pdev->dev, data_in_sz, + &data_in_dma, GFP_KERNEL); if (!data_in) { pr_err("failure at %s:%d/%s()!\n", __FILE__, __LINE__, __func__); @@ -758,12 +826,72 @@ _ctl_do_mpt_command(struct MPT3SAS_ADAPTER *ioc, struct mpt3_ioctl_command karg, psge = (void *)request + (karg.data_sge_offset*4); /* send command to firmware */ -#ifdef CONFIG_SCSI_MPT3SAS_LOGGING _ctl_display_some_debug(ioc, smid, "ctl_request", NULL); -#endif init_completion(&ioc->ctl_cmds.done); switch (mpi_request->Function) { + case MPI2_FUNCTION_MCTP_PASSTHROUGH: + { + Mpi26MctpPassthroughRequest_t *mctp_passthru_req = + (Mpi26MctpPassthroughRequest_t *)request; + + if (!(ioc->facts.IOCCapabilities & MPI26_IOCFACTS_CAPABILITY_MCTP_PASSTHRU)) { + ioc_err(ioc, "%s: MCTP Passthrough request not supported\n", + __func__); + mpt3sas_base_free_smid(ioc, smid); + ret = -EINVAL; + goto out; + } + + _ctl_send_mctp_passthru_req(ioc, mctp_passthru_req, psge, data_out_dma, + data_out_sz, data_in_dma, data_in_sz, smid); + break; + } + 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 + * buffer address. + * Clear the internal sense buffer, which will potentially hold + * the Completion Queue Entry on return, or 0 if no Entry. + * Build the PRPs and set direction bits. + * Send the request. + */ + nvme_encap_request->ErrorResponseBaseAddress = + cpu_to_le64(ioc->sense_dma & 0xFFFFFFFF00000000UL); + nvme_encap_request->ErrorResponseBaseAddress |= + cpu_to_le64(le32_to_cpu( + mpt3sas_base_get_sense_buffer_dma(ioc, smid))); + nvme_encap_request->ErrorResponseAllocationLength = + cpu_to_le16(NVME_ERROR_RESPONSE_SIZE); + memset(ioc->ctl_cmds.sense, 0, NVME_ERROR_RESPONSE_SIZE); + ioc->build_nvme_prp(ioc, smid, nvme_encap_request, + data_out_dma, data_out_sz, data_in_dma, data_in_sz); + if (test_bit(device_handle, ioc->device_remove_in_progress)) { + dtmprintk(ioc, + ioc_info(ioc, "handle(0x%04x): ioctl failed due to device removal in progress\n", + device_handle)); + mpt3sas_base_free_smid(ioc, smid); + ret = -EINVAL; + goto out; + } + mpt3sas_base_put_smid_nvme_encap(ioc, smid); + break; + } case MPI2_FUNCTION_SCSI_IO_REQUEST: case MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH: { @@ -773,14 +901,20 @@ _ctl_do_mpt_command(struct MPT3SAS_ADAPTER *ioc, struct mpt3_ioctl_command karg, scsiio_request->SenseBufferLowAddress = mpt3sas_base_get_sense_buffer_dma(ioc, smid); memset(ioc->ctl_cmds.sense, 0, SCSI_SENSE_BUFFERSIZE); + if (test_bit(device_handle, ioc->device_remove_in_progress)) { + dtmprintk(ioc, + ioc_info(ioc, "handle(0x%04x) :ioctl failed due to device removal in progress\n", + device_handle)); + mpt3sas_base_free_smid(ioc, smid); + ret = -EINVAL; + goto out; + } ioc->build_sg(ioc, psge, data_out_dma, data_out_sz, data_in_dma, data_in_sz); - if (mpi_request->Function == MPI2_FUNCTION_SCSI_IO_REQUEST) - mpt3sas_base_put_smid_scsi_io(ioc, smid, - le16_to_cpu(mpi_request->FunctionDependent1)); + ioc->put_smid_scsi_io(ioc, smid, device_handle); else - mpt3sas_base_put_smid_default(ioc, smid); + ioc->put_smid_default(ioc, smid); break; } case MPI2_FUNCTION_SCSI_TASK_MGMT: @@ -788,26 +922,36 @@ _ctl_do_mpt_command(struct MPT3SAS_ADAPTER *ioc, struct mpt3_ioctl_command karg, Mpi2SCSITaskManagementRequest_t *tm_request = (Mpi2SCSITaskManagementRequest_t *)request; - dtmprintk(ioc, pr_info(MPT3SAS_FMT - "TASK_MGMT: handle(0x%04x), task_type(0x%02x)\n", - ioc->name, - le16_to_cpu(tm_request->DevHandle), tm_request->TaskType)); - + dtmprintk(ioc, + ioc_info(ioc, "TASK_MGMT: handle(0x%04x), task_type(0x%02x)\n", + le16_to_cpu(tm_request->DevHandle), + tm_request->TaskType)); + ioc->got_task_abort_from_ioctl = 1; if (tm_request->TaskType == MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK || tm_request->TaskType == MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK) { if (_ctl_set_task_mid(ioc, &karg, tm_request)) { mpt3sas_base_free_smid(ioc, smid); + ioc->got_task_abort_from_ioctl = 0; goto out; } } + ioc->got_task_abort_from_ioctl = 0; + if (test_bit(device_handle, ioc->device_remove_in_progress)) { + dtmprintk(ioc, + ioc_info(ioc, "handle(0x%04x) :ioctl failed due to device removal in progress\n", + device_handle)); + mpt3sas_base_free_smid(ioc, smid); + ret = -EINVAL; + goto out; + } mpt3sas_scsih_set_tm_flag(ioc, le16_to_cpu( tm_request->DevHandle)); ioc->build_sg_mpi(ioc, psge, data_out_dma, data_out_sz, data_in_dma, data_in_sz); - mpt3sas_base_put_smid_hi_priority(ioc, smid); + ioc->put_smid_hi_priority(ioc, smid, 0); break; } case MPI2_FUNCTION_SMP_PASSTHROUGH: @@ -816,8 +960,10 @@ _ctl_do_mpt_command(struct MPT3SAS_ADAPTER *ioc, struct mpt3_ioctl_command karg, (Mpi2SmpPassthroughRequest_t *)mpi_request; u8 *data; - /* ioc determines which port to use */ - smp_request->PhysicalPort = 0xFF; + if (!ioc->multipath_on_hba) { + /* ioc determines which port to use */ + smp_request->PhysicalPort = 0xFF; + } if (smp_request->PassthroughFlags & MPI2_SMP_PT_REQ_PT_FLAGS_IMMEDIATE) data = (u8 *)&smp_request->SGL; @@ -838,16 +984,38 @@ _ctl_do_mpt_command(struct MPT3SAS_ADAPTER *ioc, struct mpt3_ioctl_command karg, } ioc->build_sg(ioc, psge, data_out_dma, data_out_sz, data_in_dma, data_in_sz); - mpt3sas_base_put_smid_default(ioc, smid); + ioc->put_smid_default(ioc, smid); break; } case MPI2_FUNCTION_SATA_PASSTHROUGH: + { + if (test_bit(device_handle, ioc->device_remove_in_progress)) { + dtmprintk(ioc, + ioc_info(ioc, "handle(0x%04x) :ioctl failed due to device removal in progress\n", + device_handle)); + mpt3sas_base_free_smid(ioc, smid); + ret = -EINVAL; + goto out; + } + ioc->build_sg(ioc, psge, data_out_dma, data_out_sz, data_in_dma, + data_in_sz); + ioc->put_smid_default(ioc, smid); + break; + } case MPI2_FUNCTION_FW_DOWNLOAD: + { + if (ioc->pdev->vendor == MPI2_MFGPAGE_VENDORID_ATTO) { + ioc_info(ioc, "Firmware download not supported for ATTO HBA.\n"); + ret = -EPERM; + break; + } + fallthrough; + } case MPI2_FUNCTION_FW_UPLOAD: { ioc->build_sg(ioc, psge, data_out_dma, data_out_sz, data_in_dma, data_in_sz); - mpt3sas_base_put_smid_default(ioc, smid); + ioc->put_smid_default(ioc, smid); break; } case MPI2_FUNCTION_TOOLBOX: @@ -855,14 +1023,38 @@ _ctl_do_mpt_command(struct MPT3SAS_ADAPTER *ioc, struct mpt3_ioctl_command karg, Mpi2ToolboxCleanRequest_t *toolbox_request = (Mpi2ToolboxCleanRequest_t *)mpi_request; - if (toolbox_request->Tool == MPI2_TOOLBOX_DIAGNOSTIC_CLI_TOOL) { + if ((toolbox_request->Tool == MPI2_TOOLBOX_DIAGNOSTIC_CLI_TOOL) + || (toolbox_request->Tool == + MPI26_TOOLBOX_BACKEND_PCIE_LANE_MARGIN)) ioc->build_sg(ioc, psge, data_out_dma, data_out_sz, data_in_dma, data_in_sz); - } else { + else if (toolbox_request->Tool == + MPI2_TOOLBOX_MEMORY_MOVE_TOOL) { + Mpi2ToolboxMemMoveRequest_t *mem_move_request = + (Mpi2ToolboxMemMoveRequest_t *)request; + Mpi2SGESimple64_t tmp, *src = NULL, *dst = NULL; + + ioc->build_sg_mpi(ioc, psge, data_out_dma, + data_out_sz, data_in_dma, data_in_sz); + if (data_out_sz && !data_in_sz) { + dst = + (Mpi2SGESimple64_t *)&mem_move_request->SGL; + src = (void *)dst + ioc->sge_size; + + memcpy(&tmp, src, ioc->sge_size); + memcpy(src, dst, ioc->sge_size); + memcpy(dst, &tmp, ioc->sge_size); + } + if (ioc->logging_level & MPT_DEBUG_TM) { + ioc_info(ioc, + "Mpi2ToolboxMemMoveRequest_t request msg\n"); + _debug_dump_mf(mem_move_request, + ioc->request_sz/4); + } + } else ioc->build_sg_mpi(ioc, psge, data_out_dma, data_out_sz, - data_in_dma, data_in_sz); - } - mpt3sas_base_put_smid_default(ioc, smid); + data_in_dma, data_in_sz); + ioc->put_smid_default(ioc, smid); break; } case MPI2_FUNCTION_SAS_IO_UNIT_CONTROL: @@ -878,10 +1070,11 @@ _ctl_do_mpt_command(struct MPT3SAS_ADAPTER *ioc, struct mpt3_ioctl_command karg, } /* drop to default case for posting the request */ } + fallthrough; default: ioc->build_sg_mpi(ioc, psge, data_out_dma, data_out_sz, data_in_dma, data_in_sz); - mpt3sas_base_put_smid_default(ioc, smid); + ioc->put_smid_default(ioc, smid); break; } @@ -889,8 +1082,7 @@ _ctl_do_mpt_command(struct MPT3SAS_ADAPTER *ioc, struct mpt3_ioctl_command karg, timeout = MPT3_IOCTL_DEFAULT_TIMEOUT; else timeout = karg.timeout; - timeleft = wait_for_completion_timeout(&ioc->ctl_cmds.done, - timeout*HZ); + wait_for_completion_timeout(&ioc->ctl_cmds.done, timeout*HZ); if (mpi_request->Function == MPI2_FUNCTION_SCSI_TASK_MGMT) { Mpi2SCSITaskManagementRequest_t *tm_request = (Mpi2SCSITaskManagementRequest_t *)mpi_request; @@ -904,31 +1096,25 @@ _ctl_do_mpt_command(struct MPT3SAS_ADAPTER *ioc, struct mpt3_ioctl_command karg, ioc->ignore_loginfos = 0; } if (!(ioc->ctl_cmds.status & MPT3_CMD_COMPLETE)) { - pr_err(MPT3SAS_FMT "%s: timeout\n", ioc->name, - __func__); - _debug_dump_mf(mpi_request, karg.data_sge_offset); - if (!(ioc->ctl_cmds.status & MPT3_CMD_RESET)) - issue_reset = 1; + mpt3sas_check_cmd_timeout(ioc, + ioc->ctl_cmds.status, mpi_request, + karg.data_sge_offset, issue_reset); goto issue_host_reset; } mpi_reply = ioc->ctl_cmds.reply; - ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & MPI2_IOCSTATUS_MASK; -#ifdef CONFIG_SCSI_MPT3SAS_LOGGING if (mpi_reply->Function == MPI2_FUNCTION_SCSI_TASK_MGMT && (ioc->logging_level & MPT_DEBUG_TM)) { Mpi2SCSITaskManagementReply_t *tm_reply = (Mpi2SCSITaskManagementReply_t *)mpi_reply; - pr_info(MPT3SAS_FMT "TASK_MGMT: " \ - "IOCStatus(0x%04x), IOCLogInfo(0x%08x), " - "TerminationCount(0x%08x)\n", ioc->name, - le16_to_cpu(tm_reply->IOCStatus), - le32_to_cpu(tm_reply->IOCLogInfo), - le32_to_cpu(tm_reply->TerminationCount)); + ioc_info(ioc, "TASK_MGMT: IOCStatus(0x%04x), IOCLogInfo(0x%08x), TerminationCount(0x%08x)\n", + le16_to_cpu(tm_reply->IOCStatus), + le32_to_cpu(tm_reply->IOCLogInfo), + le32_to_cpu(tm_reply->TerminationCount)); } -#endif + /* copy out xdata to user */ if (data_in_sz) { if (copy_to_user(karg.data_in_buf_ptr, data_in, @@ -952,15 +1138,23 @@ _ctl_do_mpt_command(struct MPT3SAS_ADAPTER *ioc, struct mpt3_ioctl_command karg, } } - /* copy out sense to user */ + /* copy out sense/NVMe Error Response to user */ if (karg.max_sense_bytes && (mpi_request->Function == MPI2_FUNCTION_SCSI_IO_REQUEST || mpi_request->Function == - MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH)) { - sz = min_t(u32, karg.max_sense_bytes, SCSI_SENSE_BUFFERSIZE); + MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH || mpi_request->Function == + MPI2_FUNCTION_NVME_ENCAPSULATED)) { + if (karg.sense_data_ptr == NULL) { + ioc_info(ioc, "Response buffer provided by application is NULL; Response data will not be returned\n"); + goto out; + } + sz_arg = (mpi_request->Function == + MPI2_FUNCTION_NVME_ENCAPSULATED) ? NVME_ERROR_RESPONSE_SIZE : + SCSI_SENSE_BUFFERSIZE; + sz = min_t(u32, karg.max_sense_bytes, sz_arg); if (copy_to_user(karg.sense_data_ptr, ioc->ctl_cmds.sense, sz)) { pr_err("failure at %s:%d/%s()!\n", __FILE__, - __LINE__, __func__); + __LINE__, __func__); ret = -ENODATA; goto out; } @@ -973,28 +1167,48 @@ _ctl_do_mpt_command(struct MPT3SAS_ADAPTER *ioc, struct mpt3_ioctl_command karg, mpi_request->Function == MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH || mpi_request->Function == MPI2_FUNCTION_SATA_PASSTHROUGH)) { - pr_info(MPT3SAS_FMT "issue target reset: handle = (0x%04x)\n", - ioc->name, - le16_to_cpu(mpi_request->FunctionDependent1)); + ioc_info(ioc, "issue target reset: handle = (0x%04x)\n", + le16_to_cpu(mpi_request->FunctionDependent1)); mpt3sas_halt_firmware(ioc); - mpt3sas_scsih_issue_tm(ioc, - le16_to_cpu(mpi_request->FunctionDependent1), 0, 0, - 0, MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET, 0, 30, - 0, TM_MUTEX_ON); + pcie_device = mpt3sas_get_pdev_by_handle(ioc, + le16_to_cpu(mpi_request->FunctionDependent1)); + if (pcie_device && (!ioc->tm_custom_handling) && + (!(mpt3sas_scsih_is_pcie_scsi_device( + pcie_device->device_info)))) + tm_ret = mpt3sas_scsih_issue_locked_tm(ioc, + le16_to_cpu(mpi_request->FunctionDependent1), + 0, 0, 0, + MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET, 0, + 0, pcie_device->reset_timeout, + MPI26_SCSITASKMGMT_MSGFLAGS_PROTOCOL_LVL_RST_PCIE); + else + tm_ret = mpt3sas_scsih_issue_locked_tm(ioc, + le16_to_cpu(mpi_request->FunctionDependent1), + 0, 0, 0, + MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET, 0, + 0, 30, MPI2_SCSITASKMGMT_MSGFLAGS_LINK_RESET); + + if (tm_ret != SUCCESS) { + ioc_info(ioc, + "target reset failed, issue hard reset: handle (0x%04x)\n", + le16_to_cpu(mpi_request->FunctionDependent1)); + mpt3sas_base_hard_reset_handler(ioc, FORCE_BIG_HAMMER); + } } else - mpt3sas_base_hard_reset_handler(ioc, CAN_SLEEP, - FORCE_BIG_HAMMER); + mpt3sas_base_hard_reset_handler(ioc, FORCE_BIG_HAMMER); } out: + if (pcie_device) + pcie_device_put(pcie_device); /* free memory associated with sg buffers */ if (data_in) - pci_free_consistent(ioc->pdev, data_in_sz, data_in, + dma_free_coherent(&ioc->pdev->dev, data_in_sz, data_in, data_in_dma); if (data_out) - pci_free_consistent(ioc->pdev, data_out_sz, data_out, + dma_free_coherent(&ioc->pdev->dev, data_out_sz, data_out, data_out_dma); kfree(mpi_request); @@ -1005,24 +1219,17 @@ _ctl_do_mpt_command(struct MPT3SAS_ADAPTER *ioc, struct mpt3_ioctl_command karg, /** * _ctl_getiocinfo - main handler for MPT3IOCINFO opcode * @ioc: per adapter object - * @arg - user space buffer containing ioctl content + * @arg: user space buffer containing ioctl content */ static long _ctl_getiocinfo(struct MPT3SAS_ADAPTER *ioc, void __user *arg) { struct mpt3_ioctl_iocinfo karg; - if (copy_from_user(&karg, arg, sizeof(karg))) { - pr_err("failure at %s:%d/%s()!\n", - __FILE__, __LINE__, __func__); - return -EFAULT; - } - - dctlprintk(ioc, pr_info(MPT3SAS_FMT "%s: enter\n", ioc->name, - __func__)); + dctlprintk(ioc, ioc_info(ioc, "%s: enter\n", + __func__)); memset(&karg, 0 , sizeof(karg)); - karg.adapter_type = MPT3_IOCTL_INTERFACE_SAS3; if (ioc->pfacts) karg.port_number = ioc->pfacts[0].PortNumber; karg.hw_rev = ioc->pdev->revision; @@ -1034,11 +1241,29 @@ _ctl_getiocinfo(struct MPT3SAS_ADAPTER *ioc, void __user *arg) karg.pci_information.u.bits.function = PCI_FUNC(ioc->pdev->devfn); karg.pci_information.segment_id = pci_domain_nr(ioc->pdev->bus); karg.firmware_version = ioc->facts.FWVersion.Word; - strcpy(karg.driver_version, MPT3SAS_DRIVER_NAME); + strcpy(karg.driver_version, ioc->driver_name); strcat(karg.driver_version, "-"); - strcat(karg.driver_version, MPT3SAS_DRIVER_VERSION); + switch (ioc->hba_mpi_version_belonged) { + case MPI2_VERSION: + if (ioc->is_warpdrive) + karg.adapter_type = MPT2_IOCTL_INTERFACE_SAS2_SSS6200; + else + karg.adapter_type = MPT2_IOCTL_INTERFACE_SAS2; + strcat(karg.driver_version, MPT2SAS_DRIVER_VERSION); + break; + case MPI25_VERSION: + case MPI26_VERSION: + if (ioc->is_gen35_ioc) + karg.adapter_type = MPT3_IOCTL_INTERFACE_SAS35; + else + karg.adapter_type = MPT3_IOCTL_INTERFACE_SAS3; + strcat(karg.driver_version, MPT3SAS_DRIVER_VERSION); + break; + } karg.bios_version = le32_to_cpu(ioc->bios_pg3.BiosVersion); + karg.driver_capability |= MPT3_IOCTL_IOCINFO_DRIVER_CAP_MCTP_PASSTHRU; + if (copy_to_user(arg, &karg, sizeof(karg))) { pr_err("failure at %s:%d/%s()!\n", __FILE__, __LINE__, __func__); @@ -1050,7 +1275,7 @@ _ctl_getiocinfo(struct MPT3SAS_ADAPTER *ioc, void __user *arg) /** * _ctl_eventquery - main handler for MPT3EVENTQUERY opcode * @ioc: per adapter object - * @arg - user space buffer containing ioctl content + * @arg: user space buffer containing ioctl content */ static long _ctl_eventquery(struct MPT3SAS_ADAPTER *ioc, void __user *arg) @@ -1063,8 +1288,8 @@ _ctl_eventquery(struct MPT3SAS_ADAPTER *ioc, void __user *arg) return -EFAULT; } - dctlprintk(ioc, pr_info(MPT3SAS_FMT "%s: enter\n", ioc->name, - __func__)); + dctlprintk(ioc, ioc_info(ioc, "%s: enter\n", + __func__)); karg.event_entries = MPT3SAS_CTL_EVENT_LOG_SIZE; memcpy(karg.event_types, ioc->event_type, @@ -1081,7 +1306,7 @@ _ctl_eventquery(struct MPT3SAS_ADAPTER *ioc, void __user *arg) /** * _ctl_eventenable - main handler for MPT3EVENTENABLE opcode * @ioc: per adapter object - * @arg - user space buffer containing ioctl content + * @arg: user space buffer containing ioctl content */ static long _ctl_eventenable(struct MPT3SAS_ADAPTER *ioc, void __user *arg) @@ -1094,8 +1319,8 @@ _ctl_eventenable(struct MPT3SAS_ADAPTER *ioc, void __user *arg) return -EFAULT; } - dctlprintk(ioc, pr_info(MPT3SAS_FMT "%s: enter\n", ioc->name, - __func__)); + dctlprintk(ioc, ioc_info(ioc, "%s: enter\n", + __func__)); memcpy(ioc->event_type, karg.event_types, MPI2_EVENT_NOTIFY_EVENTMASK_WORDS * sizeof(u32)); @@ -1119,7 +1344,7 @@ _ctl_eventenable(struct MPT3SAS_ADAPTER *ioc, void __user *arg) /** * _ctl_eventreport - main handler for MPT3EVENTREPORT opcode * @ioc: per adapter object - * @arg - user space buffer containing ioctl content + * @arg: user space buffer containing ioctl content */ static long _ctl_eventreport(struct MPT3SAS_ADAPTER *ioc, void __user *arg) @@ -1134,8 +1359,8 @@ _ctl_eventreport(struct MPT3SAS_ADAPTER *ioc, void __user *arg) return -EFAULT; } - dctlprintk(ioc, pr_info(MPT3SAS_FMT "%s: enter\n", ioc->name, - __func__)); + dctlprintk(ioc, ioc_info(ioc, "%s: enter\n", + __func__)); number_bytes = karg.hdr.max_data_size - sizeof(struct mpt3_ioctl_header); @@ -1163,7 +1388,7 @@ _ctl_eventreport(struct MPT3SAS_ADAPTER *ioc, void __user *arg) /** * _ctl_do_reset - main handler for MPT3HARDRESET opcode * @ioc: per adapter object - * @arg - user space buffer containing ioctl content + * @arg: user space buffer containing ioctl content */ static long _ctl_do_reset(struct MPT3SAS_ADAPTER *ioc, void __user *arg) @@ -1181,13 +1406,13 @@ _ctl_do_reset(struct MPT3SAS_ADAPTER *ioc, void __user *arg) ioc->is_driver_loading) return -EAGAIN; - dctlprintk(ioc, pr_info(MPT3SAS_FMT "%s: enter\n", ioc->name, - __func__)); + dctlprintk(ioc, ioc_info(ioc, "%s: enter\n", + __func__)); - retval = mpt3sas_base_hard_reset_handler(ioc, CAN_SLEEP, - FORCE_BIG_HAMMER); - pr_info(MPT3SAS_FMT "host reset: %s\n", - ioc->name, ((!retval) ? "SUCCESS" : "FAILED")); + ioc->reset_from_user = 1; + retval = mpt3sas_base_hard_reset_handler(ioc, FORCE_BIG_HAMMER); + ioc_info(ioc, + "Ioctl: host reset: %s\n", ((!retval) ? "SUCCESS" : "FAILED")); return 0; } @@ -1228,6 +1453,42 @@ _ctl_btdh_search_sas_device(struct MPT3SAS_ADAPTER *ioc, } /** + * _ctl_btdh_search_pcie_device - searching for pcie device + * @ioc: per adapter object + * @btdh: btdh ioctl payload + */ +static int +_ctl_btdh_search_pcie_device(struct MPT3SAS_ADAPTER *ioc, + struct mpt3_ioctl_btdh_mapping *btdh) +{ + struct _pcie_device *pcie_device; + unsigned long flags; + int rc = 0; + + if (list_empty(&ioc->pcie_device_list)) + return rc; + + spin_lock_irqsave(&ioc->pcie_device_lock, flags); + list_for_each_entry(pcie_device, &ioc->pcie_device_list, list) { + if (btdh->bus == 0xFFFFFFFF && btdh->id == 0xFFFFFFFF && + btdh->handle == pcie_device->handle) { + btdh->bus = pcie_device->channel; + btdh->id = pcie_device->id; + rc = 1; + goto out; + } else if (btdh->bus == pcie_device->channel && btdh->id == + pcie_device->id && btdh->handle == 0xFFFF) { + btdh->handle = pcie_device->handle; + rc = 1; + goto out; + } + } + out: + spin_unlock_irqrestore(&ioc->pcie_device_lock, flags); + return rc; +} + +/** * _ctl_btdh_search_raid_device - searching for raid device * @ioc: per adapter object * @btdh: btdh ioctl payload @@ -1266,7 +1527,7 @@ _ctl_btdh_search_raid_device(struct MPT3SAS_ADAPTER *ioc, /** * _ctl_btdh_mapping - main handler for MPT3BTDHMAPPING opcode * @ioc: per adapter object - * @arg - user space buffer containing ioctl content + * @arg: user space buffer containing ioctl content */ static long _ctl_btdh_mapping(struct MPT3SAS_ADAPTER *ioc, void __user *arg) @@ -1280,11 +1541,13 @@ _ctl_btdh_mapping(struct MPT3SAS_ADAPTER *ioc, void __user *arg) return -EFAULT; } - dctlprintk(ioc, pr_info(MPT3SAS_FMT "%s\n", ioc->name, - __func__)); + dctlprintk(ioc, ioc_info(ioc, "%s\n", + __func__)); rc = _ctl_btdh_search_sas_device(ioc, &karg); if (!rc) + rc = _ctl_btdh_search_pcie_device(ioc, &karg); + if (!rc) _ctl_btdh_search_raid_device(ioc, &karg); if (copy_to_user(arg, &karg, sizeof(karg))) { @@ -1327,6 +1590,26 @@ _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 @@ -1345,59 +1628,128 @@ _ctl_diag_register_2(struct MPT3SAS_ADAPTER *ioc, Mpi2DiagBufferPostRequest_t *mpi_request; Mpi2DiagBufferPostReply_t *mpi_reply; u8 buffer_type; - unsigned long timeleft; u16 smid; u16 ioc_status; u32 ioc_state; u8 issue_reset = 0; - dctlprintk(ioc, pr_info(MPT3SAS_FMT "%s\n", ioc->name, - __func__)); + dctlprintk(ioc, ioc_info(ioc, "%s\n", + __func__)); ioc_state = mpt3sas_base_get_iocstate(ioc, 1); if (ioc_state != MPI2_IOC_STATE_OPERATIONAL) { - pr_err(MPT3SAS_FMT - "%s: failed due to ioc not operational\n", - ioc->name, __func__); + ioc_err(ioc, "%s: failed due to ioc not operational\n", + __func__); rc = -EAGAIN; goto out; } if (ioc->ctl_cmds.status != MPT3_CMD_NOT_USED) { - pr_err(MPT3SAS_FMT "%s: ctl_cmd in use\n", - ioc->name, __func__); + ioc_err(ioc, "%s: ctl_cmd in use\n", __func__); rc = -EAGAIN; goto out; } buffer_type = diag_register->buffer_type; if (!_ctl_diag_capability(ioc, buffer_type)) { - pr_err(MPT3SAS_FMT - "%s: doesn't have capability for buffer_type(0x%02x)\n", - ioc->name, __func__, buffer_type); + ioc_err(ioc, "%s: doesn't have capability for buffer_type(0x%02x)\n", + __func__, buffer_type); 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) { - pr_err(MPT3SAS_FMT - "%s: already has a registered buffer for buffer_type(0x%02x)\n", - ioc->name, __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) { - pr_err(MPT3SAS_FMT - "%s: the requested_buffer_size is not 4 byte aligned\n", - ioc->name, __func__); + ioc_err(ioc, "%s: the requested_buffer_size is not 4 byte aligned\n", + __func__); return -EINVAL; } smid = mpt3sas_base_get_smid(ioc, ioc->ctl_cb_idx); if (!smid) { - pr_err(MPT3SAS_FMT "%s: failed obtaining a smid\n", - ioc->name, __func__); + ioc_err(ioc, "%s: failed obtaining a smid\n", __func__); rc = -EAGAIN; goto out; } @@ -1406,12 +1758,17 @@ _ctl_diag_register_2(struct MPT3SAS_ADAPTER *ioc, ioc->ctl_cmds.status = MPT3_CMD_PENDING; memset(ioc->ctl_cmds.reply, 0, ioc->reply_sz); mpi_request = mpt3sas_base_get_msg_frame(ioc, smid); + memset(mpi_request, 0, ioc->request_sz); ioc->ctl_cmds.smid = smid; 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; + /* Reset ioc variables used for additional query commands */ + ioc->reset_from_user = 0; + memset(&ioc->htb_rel, 0, sizeof(struct htb_rel_query)); + 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; @@ -1419,9 +1776,9 @@ _ctl_diag_register_2(struct MPT3SAS_ADAPTER *ioc, if (request_data) { request_data_dma = ioc->diag_buffer_dma[buffer_type]; if (request_data_sz != ioc->diag_buffer_sz[buffer_type]) { - pci_free_consistent(ioc->pdev, - ioc->diag_buffer_sz[buffer_type], - request_data, request_data_dma); + dma_free_coherent(&ioc->pdev->dev, + ioc->diag_buffer_sz[buffer_type], + request_data, request_data_dma); request_data = NULL; } } @@ -1429,14 +1786,14 @@ _ctl_diag_register_2(struct MPT3SAS_ADAPTER *ioc, if (request_data == NULL) { ioc->diag_buffer_sz[buffer_type] = 0; ioc->diag_buffer_dma[buffer_type] = 0; - request_data = pci_alloc_consistent( - ioc->pdev, request_data_sz, &request_data_dma); + request_data = dma_alloc_coherent(&ioc->pdev->dev, + request_data_sz, &request_data_dma, GFP_KERNEL); if (request_data == NULL) { - pr_err(MPT3SAS_FMT "%s: failed allocating memory" \ - " for diag buffers, requested size(%d)\n", - ioc->name, __func__, request_data_sz); + 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; @@ -1451,35 +1808,31 @@ _ctl_diag_register_2(struct MPT3SAS_ADAPTER *ioc, mpi_request->VF_ID = 0; /* TODO */ mpi_request->VP_ID = 0; - dctlprintk(ioc, pr_info(MPT3SAS_FMT - "%s: diag_buffer(0x%p), dma(0x%llx), sz(%d)\n", - ioc->name, __func__, request_data, - (unsigned long long)request_data_dma, - le32_to_cpu(mpi_request->BufferLength))); + dctlprintk(ioc, + ioc_info(ioc, "%s: diag_buffer(0x%p), dma(0x%llx), sz(%d)\n", + __func__, request_data, + (unsigned long long)request_data_dma, + le32_to_cpu(mpi_request->BufferLength))); for (i = 0; i < MPT3_PRODUCT_SPECIFIC_DWORDS; i++) mpi_request->ProductSpecific[i] = cpu_to_le32(ioc->product_specific[buffer_type][i]); init_completion(&ioc->ctl_cmds.done); - mpt3sas_base_put_smid_default(ioc, smid); - timeleft = wait_for_completion_timeout(&ioc->ctl_cmds.done, + ioc->put_smid_default(ioc, smid); + wait_for_completion_timeout(&ioc->ctl_cmds.done, MPT3_IOCTL_DEFAULT_TIMEOUT*HZ); if (!(ioc->ctl_cmds.status & MPT3_CMD_COMPLETE)) { - pr_err(MPT3SAS_FMT "%s: timeout\n", ioc->name, - __func__); - _debug_dump_mf(mpi_request, - sizeof(Mpi2DiagBufferPostRequest_t)/4); - if (!(ioc->ctl_cmds.status & MPT3_CMD_RESET)) - issue_reset = 1; + mpt3sas_check_cmd_timeout(ioc, + ioc->ctl_cmds.status, mpi_request, + sizeof(Mpi2DiagBufferPostRequest_t)/4, issue_reset); goto issue_host_reset; } /* process the completed Reply Message Frame */ if ((ioc->ctl_cmds.status & MPT3_CMD_REPLY_VALID) == 0) { - pr_err(MPT3SAS_FMT "%s: no reply message\n", - ioc->name, __func__); + ioc_err(ioc, "%s: no reply message\n", __func__); rc = -EFAULT; goto out; } @@ -1490,26 +1843,27 @@ _ctl_diag_register_2(struct MPT3SAS_ADAPTER *ioc, if (ioc_status == MPI2_IOCSTATUS_SUCCESS) { ioc->diag_buffer_status[buffer_type] |= MPT3_DIAG_BUFFER_IS_REGISTERED; - dctlprintk(ioc, pr_info(MPT3SAS_FMT "%s: success\n", - ioc->name, __func__)); + dctlprintk(ioc, ioc_info(ioc, "%s: success\n", __func__)); } else { - pr_info(MPT3SAS_FMT - "%s: ioc_status(0x%04x) log_info(0x%08x)\n", - ioc->name, __func__, - ioc_status, le32_to_cpu(mpi_reply->IOCLogInfo)); + ioc_info(ioc, "%s: ioc_status(0x%04x) log_info(0x%08x)\n", + __func__, + ioc_status, le32_to_cpu(mpi_reply->IOCLogInfo)); rc = -EFAULT; } issue_host_reset: if (issue_reset) - mpt3sas_base_hard_reset_handler(ioc, CAN_SLEEP, - FORCE_BIG_HAMMER); + mpt3sas_base_hard_reset_handler(ioc, FORCE_BIG_HAMMER); out: - if (rc && request_data) - pci_free_consistent(ioc->pdev, request_data_sz, + if (rc && request_data) { + 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] &= + ~MPT3_DIAG_BUFFER_IS_DRIVER_ALLOCATED; + } ioc->ctl_cmds.status = MPT3_CMD_NOT_USED; return rc; @@ -1527,24 +1881,84 @@ 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)); if (bits_to_register & 1) { - pr_info(MPT3SAS_FMT "registering trace buffer support\n", - ioc->name); + ioc_info(ioc, "registering trace buffer support\n"); 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_info(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) { - pr_info(MPT3SAS_FMT "registering snapshot buffer support\n", - ioc->name); + ioc_info(ioc, "registering snapshot buffer support\n"); diag_register.buffer_type = MPI2_DIAG_BUF_TYPE_SNAPSHOT; /* register for 2MB buffers */ diag_register.requested_buffer_size = 2 * (1024 * 1024); @@ -1553,8 +1967,7 @@ mpt3sas_enable_diag_buffer(struct MPT3SAS_ADAPTER *ioc, u8 bits_to_register) } if (bits_to_register & 4) { - pr_info(MPT3SAS_FMT "registering extended buffer support\n", - ioc->name); + ioc_info(ioc, "registering extended buffer support\n"); diag_register.buffer_type = MPI2_DIAG_BUF_TYPE_EXTENDED; /* register for 2MB buffers */ diag_register.requested_buffer_size = 2 * (1024 * 1024); @@ -1566,7 +1979,7 @@ mpt3sas_enable_diag_buffer(struct MPT3SAS_ADAPTER *ioc, u8 bits_to_register) /** * _ctl_diag_register - application register with driver * @ioc: per adapter object - * @arg - user space buffer containing ioctl content + * @arg: user space buffer containing ioctl content * * This will allow the driver to setup any required buffers that will be * needed by firmware to communicate with the driver. @@ -1584,13 +1997,19 @@ _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; } /** * _ctl_diag_unregister - application unregister with driver * @ioc: per adapter object - * @arg - user space buffer containing ioctl content + * @arg: user space buffer containing ioctl content * * This will allow the driver to cleanup any memory allocated for diag * messages and to free up any resources. @@ -1610,60 +2029,70 @@ _ctl_diag_unregister(struct MPT3SAS_ADAPTER *ioc, void __user *arg) return -EFAULT; } - dctlprintk(ioc, pr_info(MPT3SAS_FMT "%s\n", ioc->name, - __func__)); + dctlprintk(ioc, ioc_info(ioc, "%s\n", + __func__)); + + 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; + } - buffer_type = karg.unique_id & 0x000000ff; if (!_ctl_diag_capability(ioc, buffer_type)) { - pr_err(MPT3SAS_FMT - "%s: doesn't have capability for buffer_type(0x%02x)\n", - ioc->name, __func__, buffer_type); + ioc_err(ioc, "%s: doesn't have capability for buffer_type(0x%02x)\n", + __func__, buffer_type); return -EPERM; } if ((ioc->diag_buffer_status[buffer_type] & MPT3_DIAG_BUFFER_IS_REGISTERED) == 0) { - pr_err(MPT3SAS_FMT - "%s: buffer_type(0x%02x) is not registered\n", - ioc->name, __func__, buffer_type); + 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_RELEASED) == 0) { - pr_err(MPT3SAS_FMT - "%s: buffer_type(0x%02x) has not been released\n", - ioc->name, __func__, buffer_type); + ioc_err(ioc, "%s: buffer_type(0x%02x) has not been released\n", + __func__, buffer_type); return -EINVAL; } if (karg.unique_id != ioc->unique_id[buffer_type]) { - pr_err(MPT3SAS_FMT - "%s: unique_id(0x%08x) is not registered\n", - ioc->name, __func__, karg.unique_id); + ioc_err(ioc, "%s: unique_id(0x%08x) is not registered\n", + __func__, karg.unique_id); return -EINVAL; } request_data = ioc->diag_buffer[buffer_type]; if (!request_data) { - pr_err(MPT3SAS_FMT - "%s: doesn't have memory allocated for buffer_type(0x%02x)\n", - ioc->name, __func__, buffer_type); + ioc_err(ioc, "%s: doesn't have memory allocated for buffer_type(0x%02x)\n", + __func__, buffer_type); return -ENOMEM; } - request_data_sz = ioc->diag_buffer_sz[buffer_type]; - request_data_dma = ioc->diag_buffer_dma[buffer_type]; - pci_free_consistent(ioc->pdev, 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; } /** * _ctl_diag_query - query relevant info associated with diag buffers * @ioc: per adapter object - * @arg - user space buffer containing ioctl content + * @arg: user space buffer containing ioctl content * * The application will send only buffer_type and unique_id. Driver will * inspect unique_id first, if valid, fill in all the info. If unique_id is @@ -1683,51 +2112,58 @@ _ctl_diag_query(struct MPT3SAS_ADAPTER *ioc, void __user *arg) return -EFAULT; } - dctlprintk(ioc, pr_info(MPT3SAS_FMT "%s\n", ioc->name, - __func__)); + dctlprintk(ioc, ioc_info(ioc, "%s\n", + __func__)); karg.application_flags = 0; buffer_type = karg.buffer_type; if (!_ctl_diag_capability(ioc, buffer_type)) { - pr_err(MPT3SAS_FMT - "%s: doesn't have capability for buffer_type(0x%02x)\n", - ioc->name, __func__, buffer_type); + ioc_err(ioc, "%s: doesn't have capability for buffer_type(0x%02x)\n", + __func__, buffer_type); return -EPERM; } - if ((ioc->diag_buffer_status[buffer_type] & - MPT3_DIAG_BUFFER_IS_REGISTERED) == 0) { - pr_err(MPT3SAS_FMT - "%s: buffer_type(0x%02x) is not registered\n", - ioc->name, __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]) { - pr_err(MPT3SAS_FMT - "%s: unique_id(0x%08x) is not registered\n", - ioc->name, __func__, karg.unique_id); + ioc_err(ioc, "%s: unique_id(0x%08x) is not registered\n", + __func__, karg.unique_id); return -EINVAL; } } request_data = ioc->diag_buffer[buffer_type]; if (!request_data) { - pr_err(MPT3SAS_FMT - "%s: doesn't have buffer for buffer_type(0x%02x)\n", - ioc->name, __func__, buffer_type); + ioc_err(ioc, "%s: doesn't have buffer for buffer_type(0x%02x)\n", + __func__, buffer_type); 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] = @@ -1739,9 +2175,8 @@ _ctl_diag_query(struct MPT3SAS_ADAPTER *ioc, void __user *arg) karg.diagnostic_flags = ioc->diagnostic_flags[buffer_type]; if (copy_to_user(arg, &karg, sizeof(struct mpt3_diag_query))) { - pr_err(MPT3SAS_FMT - "%s: unable to write mpt3_diag_query data @ %p\n", - ioc->name, __func__, arg); + ioc_err(ioc, "%s: unable to write mpt3_diag_query data @ %p\n", + __func__, arg); return -EFAULT; } return 0; @@ -1750,8 +2185,8 @@ _ctl_diag_query(struct MPT3SAS_ADAPTER *ioc, void __user *arg) /** * mpt3sas_send_diag_release - Diag Release Message * @ioc: per adapter object - * @buffer_type - specifies either TRACE, SNAPSHOT, or EXTENDED - * @issue_reset - specifies whether host reset is required. + * @buffer_type: specifies either TRACE, SNAPSHOT, or EXTENDED + * @issue_reset: specifies whether host reset is required. * */ int @@ -1764,38 +2199,37 @@ mpt3sas_send_diag_release(struct MPT3SAS_ADAPTER *ioc, u8 buffer_type, u16 ioc_status; u32 ioc_state; int rc; - unsigned long timeleft; + u8 reset_needed = 0; - dctlprintk(ioc, pr_info(MPT3SAS_FMT "%s\n", ioc->name, - __func__)); + dctlprintk(ioc, ioc_info(ioc, "%s\n", + __func__)); rc = 0; *issue_reset = 0; + ioc_state = mpt3sas_base_get_iocstate(ioc, 1); if (ioc_state != MPI2_IOC_STATE_OPERATIONAL) { if (ioc->diag_buffer_status[buffer_type] & MPT3_DIAG_BUFFER_IS_REGISTERED) ioc->diag_buffer_status[buffer_type] |= MPT3_DIAG_BUFFER_IS_RELEASED; - dctlprintk(ioc, pr_info(MPT3SAS_FMT - "%s: skipping due to FAULT state\n", ioc->name, - __func__)); + dctlprintk(ioc, + ioc_info(ioc, "%s: skipping due to FAULT state\n", + __func__)); rc = -EAGAIN; goto out; } if (ioc->ctl_cmds.status != MPT3_CMD_NOT_USED) { - pr_err(MPT3SAS_FMT "%s: ctl_cmd in use\n", - ioc->name, __func__); + ioc_err(ioc, "%s: ctl_cmd in use\n", __func__); rc = -EAGAIN; goto out; } smid = mpt3sas_base_get_smid(ioc, ioc->ctl_cb_idx); if (!smid) { - pr_err(MPT3SAS_FMT "%s: failed obtaining a smid\n", - ioc->name, __func__); + ioc_err(ioc, "%s: failed obtaining a smid\n", __func__); rc = -EAGAIN; goto out; } @@ -1803,6 +2237,7 @@ mpt3sas_send_diag_release(struct MPT3SAS_ADAPTER *ioc, u8 buffer_type, ioc->ctl_cmds.status = MPT3_CMD_PENDING; memset(ioc->ctl_cmds.reply, 0, ioc->reply_sz); mpi_request = mpt3sas_base_get_msg_frame(ioc, smid); + memset(mpi_request, 0, ioc->request_sz); ioc->ctl_cmds.smid = smid; mpi_request->Function = MPI2_FUNCTION_DIAG_RELEASE; @@ -1811,25 +2246,22 @@ mpt3sas_send_diag_release(struct MPT3SAS_ADAPTER *ioc, u8 buffer_type, mpi_request->VP_ID = 0; init_completion(&ioc->ctl_cmds.done); - mpt3sas_base_put_smid_default(ioc, smid); - timeleft = wait_for_completion_timeout(&ioc->ctl_cmds.done, + ioc->put_smid_default(ioc, smid); + wait_for_completion_timeout(&ioc->ctl_cmds.done, MPT3_IOCTL_DEFAULT_TIMEOUT*HZ); if (!(ioc->ctl_cmds.status & MPT3_CMD_COMPLETE)) { - pr_err(MPT3SAS_FMT "%s: timeout\n", ioc->name, - __func__); - _debug_dump_mf(mpi_request, - sizeof(Mpi2DiagReleaseRequest_t)/4); - if (!(ioc->ctl_cmds.status & MPT3_CMD_RESET)) - *issue_reset = 1; + mpt3sas_check_cmd_timeout(ioc, + ioc->ctl_cmds.status, mpi_request, + sizeof(Mpi2DiagReleaseRequest_t)/4, reset_needed); + *issue_reset = reset_needed; rc = -EFAULT; goto out; } /* process the completed Reply Message Frame */ if ((ioc->ctl_cmds.status & MPT3_CMD_REPLY_VALID) == 0) { - pr_err(MPT3SAS_FMT "%s: no reply message\n", - ioc->name, __func__); + ioc_err(ioc, "%s: no reply message\n", __func__); rc = -EFAULT; goto out; } @@ -1840,13 +2272,11 @@ mpt3sas_send_diag_release(struct MPT3SAS_ADAPTER *ioc, u8 buffer_type, if (ioc_status == MPI2_IOCSTATUS_SUCCESS) { ioc->diag_buffer_status[buffer_type] |= MPT3_DIAG_BUFFER_IS_RELEASED; - dctlprintk(ioc, pr_info(MPT3SAS_FMT "%s: success\n", - ioc->name, __func__)); + dctlprintk(ioc, ioc_info(ioc, "%s: success\n", __func__)); } else { - pr_info(MPT3SAS_FMT - "%s: ioc_status(0x%04x) log_info(0x%08x)\n", - ioc->name, __func__, - ioc_status, le32_to_cpu(mpi_reply->IOCLogInfo)); + ioc_info(ioc, "%s: ioc_status(0x%04x) log_info(0x%08x)\n", + __func__, + ioc_status, le32_to_cpu(mpi_reply->IOCLogInfo)); rc = -EFAULT; } @@ -1857,11 +2287,12 @@ mpt3sas_send_diag_release(struct MPT3SAS_ADAPTER *ioc, u8 buffer_type, /** * _ctl_diag_release - request to send Diag Release Message to firmware - * @arg - user space buffer containing ioctl content + * @ioc: ? + * @arg: user space buffer containing ioctl content * * This allows ownership of the specified buffer to returned to the driver, * allowing an application to read the buffer without fear that firmware is - * overwritting information in the buffer. + * overwriting information in the buffer. */ static long _ctl_diag_release(struct MPT3SAS_ADAPTER *ioc, void __user *arg) @@ -1878,47 +2309,47 @@ _ctl_diag_release(struct MPT3SAS_ADAPTER *ioc, void __user *arg) return -EFAULT; } - dctlprintk(ioc, pr_info(MPT3SAS_FMT "%s\n", ioc->name, - __func__)); + dctlprintk(ioc, ioc_info(ioc, "%s\n", + __func__)); + + 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; + } - buffer_type = karg.unique_id & 0x000000ff; if (!_ctl_diag_capability(ioc, buffer_type)) { - pr_err(MPT3SAS_FMT - "%s: doesn't have capability for buffer_type(0x%02x)\n", - ioc->name, __func__, buffer_type); + ioc_err(ioc, "%s: doesn't have capability for buffer_type(0x%02x)\n", + __func__, buffer_type); return -EPERM; } if ((ioc->diag_buffer_status[buffer_type] & MPT3_DIAG_BUFFER_IS_REGISTERED) == 0) { - pr_err(MPT3SAS_FMT - "%s: buffer_type(0x%02x) is not registered\n", - ioc->name, __func__, buffer_type); + ioc_err(ioc, "%s: buffer_type(0x%02x) is not registered\n", + __func__, buffer_type); return -EINVAL; } if (karg.unique_id != ioc->unique_id[buffer_type]) { - pr_err(MPT3SAS_FMT - "%s: unique_id(0x%08x) is not registered\n", - ioc->name, __func__, karg.unique_id); + ioc_err(ioc, "%s: unique_id(0x%08x) is not registered\n", + __func__, karg.unique_id); return -EINVAL; } if (ioc->diag_buffer_status[buffer_type] & MPT3_DIAG_BUFFER_IS_RELEASED) { - pr_err(MPT3SAS_FMT - "%s: buffer_type(0x%02x) is already released\n", - ioc->name, __func__, - buffer_type); - return 0; + ioc_err(ioc, "%s: buffer_type(0x%02x) is already released\n", + __func__, buffer_type); + return -EINVAL; } request_data = ioc->diag_buffer[buffer_type]; if (!request_data) { - pr_err(MPT3SAS_FMT - "%s: doesn't have memory allocated for buffer_type(0x%02x)\n", - ioc->name, __func__, buffer_type); + ioc_err(ioc, "%s: doesn't have memory allocated for buffer_type(0x%02x)\n", + __func__, buffer_type); return -ENOMEM; } @@ -1929,17 +2360,15 @@ _ctl_diag_release(struct MPT3SAS_ADAPTER *ioc, void __user *arg) MPT3_DIAG_BUFFER_IS_RELEASED; ioc->diag_buffer_status[buffer_type] &= ~MPT3_DIAG_BUFFER_IS_DIAG_RESET; - pr_err(MPT3SAS_FMT - "%s: buffer_type(0x%02x) was released due to host reset\n", - ioc->name, __func__, buffer_type); + ioc_err(ioc, "%s: buffer_type(0x%02x) was released due to host reset\n", + __func__, buffer_type); return 0; } rc = mpt3sas_send_diag_release(ioc, buffer_type, &issue_reset); if (issue_reset) - mpt3sas_base_hard_reset_handler(ioc, CAN_SLEEP, - FORCE_BIG_HAMMER); + mpt3sas_base_hard_reset_handler(ioc, FORCE_BIG_HAMMER); return rc; } @@ -1947,7 +2376,7 @@ _ctl_diag_release(struct MPT3SAS_ADAPTER *ioc, void __user *arg) /** * _ctl_diag_read_buffer - request for copy of the diag buffer * @ioc: per adapter object - * @arg - user space buffer containing ioctl content + * @arg: user space buffer containing ioctl content */ static long _ctl_diag_read_buffer(struct MPT3SAS_ADAPTER *ioc, void __user *arg) @@ -1959,7 +2388,7 @@ _ctl_diag_read_buffer(struct MPT3SAS_ADAPTER *ioc, void __user *arg) Mpi2DiagBufferPostReply_t *mpi_reply; int rc, i; u8 buffer_type; - unsigned long timeleft, request_size, copy_size; + unsigned long request_size, copy_size; u16 smid; u16 ioc_status; u8 issue_reset = 0; @@ -1970,38 +2399,40 @@ _ctl_diag_read_buffer(struct MPT3SAS_ADAPTER *ioc, void __user *arg) return -EFAULT; } - dctlprintk(ioc, pr_info(MPT3SAS_FMT "%s\n", ioc->name, - __func__)); + dctlprintk(ioc, ioc_info(ioc, "%s\n", + __func__)); + + 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; + } - buffer_type = karg.unique_id & 0x000000ff; if (!_ctl_diag_capability(ioc, buffer_type)) { - pr_err(MPT3SAS_FMT - "%s: doesn't have capability for buffer_type(0x%02x)\n", - ioc->name, __func__, buffer_type); + ioc_err(ioc, "%s: doesn't have capability for buffer_type(0x%02x)\n", + __func__, buffer_type); return -EPERM; } if (karg.unique_id != ioc->unique_id[buffer_type]) { - pr_err(MPT3SAS_FMT - "%s: unique_id(0x%08x) is not registered\n", - ioc->name, __func__, karg.unique_id); + ioc_err(ioc, "%s: unique_id(0x%08x) is not registered\n", + __func__, karg.unique_id); return -EINVAL; } request_data = ioc->diag_buffer[buffer_type]; if (!request_data) { - pr_err(MPT3SAS_FMT - "%s: doesn't have buffer for buffer_type(0x%02x)\n", - ioc->name, __func__, buffer_type); + ioc_err(ioc, "%s: doesn't have buffer for buffer_type(0x%02x)\n", + __func__, buffer_type); return -ENOMEM; } request_size = ioc->diag_buffer_sz[buffer_type]; if ((karg.starting_offset % 4) || (karg.bytes_to_read % 4)) { - pr_err(MPT3SAS_FMT "%s: either the starting_offset " \ - "or bytes_to_read are not 4 byte aligned\n", ioc->name, - __func__); + ioc_err(ioc, "%s: either the starting_offset or bytes_to_read are not 4 byte aligned\n", + __func__); return -EINVAL; } @@ -2009,10 +2440,10 @@ _ctl_diag_read_buffer(struct MPT3SAS_ADAPTER *ioc, void __user *arg) return -EINVAL; diag_data = (void *)(request_data + karg.starting_offset); - dctlprintk(ioc, pr_info(MPT3SAS_FMT - "%s: diag_buffer(%p), offset(%d), sz(%d)\n", - ioc->name, __func__, - diag_data, karg.starting_offset, karg.bytes_to_read)); + dctlprintk(ioc, + ioc_info(ioc, "%s: diag_buffer(%p), offset(%d), sz(%d)\n", + __func__, diag_data, karg.starting_offset, + karg.bytes_to_read)); /* Truncate data on requests that are too large */ if ((diag_data + karg.bytes_to_read < diag_data) || @@ -2023,39 +2454,36 @@ _ctl_diag_read_buffer(struct MPT3SAS_ADAPTER *ioc, void __user *arg) if (copy_to_user((void __user *)uarg->diagnostic_data, diag_data, copy_size)) { - pr_err(MPT3SAS_FMT - "%s: Unable to write mpt_diag_read_buffer_t data @ %p\n", - ioc->name, __func__, diag_data); + ioc_err(ioc, "%s: Unable to write mpt_diag_read_buffer_t data @ %p\n", + __func__, diag_data); return -EFAULT; } if ((karg.flags & MPT3_FLAGS_REREGISTER) == 0) return 0; - dctlprintk(ioc, pr_info(MPT3SAS_FMT - "%s: Reregister buffer_type(0x%02x)\n", - ioc->name, __func__, buffer_type)); + dctlprintk(ioc, + ioc_info(ioc, "%s: Reregister buffer_type(0x%02x)\n", + __func__, buffer_type)); if ((ioc->diag_buffer_status[buffer_type] & MPT3_DIAG_BUFFER_IS_RELEASED) == 0) { - dctlprintk(ioc, pr_info(MPT3SAS_FMT - "%s: buffer_type(0x%02x) is still registered\n", - ioc->name, __func__, buffer_type)); + dctlprintk(ioc, + ioc_info(ioc, "%s: buffer_type(0x%02x) is still registered\n", + __func__, buffer_type)); return 0; } /* Get a free request frame and save the message context. */ if (ioc->ctl_cmds.status != MPT3_CMD_NOT_USED) { - pr_err(MPT3SAS_FMT "%s: ctl_cmd in use\n", - ioc->name, __func__); + ioc_err(ioc, "%s: ctl_cmd in use\n", __func__); rc = -EAGAIN; goto out; } smid = mpt3sas_base_get_smid(ioc, ioc->ctl_cb_idx); if (!smid) { - pr_err(MPT3SAS_FMT "%s: failed obtaining a smid\n", - ioc->name, __func__); + ioc_err(ioc, "%s: failed obtaining a smid\n", __func__); rc = -EAGAIN; goto out; } @@ -2064,6 +2492,7 @@ _ctl_diag_read_buffer(struct MPT3SAS_ADAPTER *ioc, void __user *arg) ioc->ctl_cmds.status = MPT3_CMD_PENDING; memset(ioc->ctl_cmds.reply, 0, ioc->reply_sz); mpi_request = mpt3sas_base_get_msg_frame(ioc, smid); + memset(mpi_request, 0, ioc->request_sz); ioc->ctl_cmds.smid = smid; mpi_request->Function = MPI2_FUNCTION_DIAG_BUFFER_POST; @@ -2079,24 +2508,20 @@ _ctl_diag_read_buffer(struct MPT3SAS_ADAPTER *ioc, void __user *arg) mpi_request->VP_ID = 0; init_completion(&ioc->ctl_cmds.done); - mpt3sas_base_put_smid_default(ioc, smid); - timeleft = wait_for_completion_timeout(&ioc->ctl_cmds.done, + ioc->put_smid_default(ioc, smid); + wait_for_completion_timeout(&ioc->ctl_cmds.done, MPT3_IOCTL_DEFAULT_TIMEOUT*HZ); if (!(ioc->ctl_cmds.status & MPT3_CMD_COMPLETE)) { - pr_err(MPT3SAS_FMT "%s: timeout\n", ioc->name, - __func__); - _debug_dump_mf(mpi_request, - sizeof(Mpi2DiagBufferPostRequest_t)/4); - if (!(ioc->ctl_cmds.status & MPT3_CMD_RESET)) - issue_reset = 1; + mpt3sas_check_cmd_timeout(ioc, + ioc->ctl_cmds.status, mpi_request, + sizeof(Mpi2DiagBufferPostRequest_t)/4, issue_reset); goto issue_host_reset; } /* process the completed Reply Message Frame */ if ((ioc->ctl_cmds.status & MPT3_CMD_REPLY_VALID) == 0) { - pr_err(MPT3SAS_FMT "%s: no reply message\n", - ioc->name, __func__); + ioc_err(ioc, "%s: no reply message\n", __func__); rc = -EFAULT; goto out; } @@ -2107,20 +2532,19 @@ _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; - dctlprintk(ioc, pr_info(MPT3SAS_FMT "%s: success\n", - ioc->name, __func__)); + ioc->diag_buffer_status[buffer_type] &= + ~MPT3_DIAG_BUFFER_IS_RELEASED; + dctlprintk(ioc, ioc_info(ioc, "%s: success\n", __func__)); } else { - pr_info(MPT3SAS_FMT - "%s: ioc_status(0x%04x) log_info(0x%08x)\n", - ioc->name, __func__, - ioc_status, le32_to_cpu(mpi_reply->IOCLogInfo)); + ioc_info(ioc, "%s: ioc_status(0x%04x) log_info(0x%08x)\n", + __func__, ioc_status, + le32_to_cpu(mpi_reply->IOCLogInfo)); rc = -EFAULT; } issue_host_reset: if (issue_reset) - mpt3sas_base_hard_reset_handler(ioc, CAN_SLEEP, - FORCE_BIG_HAMMER); + mpt3sas_base_hard_reset_handler(ioc, FORCE_BIG_HAMMER); out: @@ -2128,14 +2552,117 @@ _ctl_diag_read_buffer(struct MPT3SAS_ADAPTER *ioc, void __user *arg) return rc; } +/** + * _ctl_addnl_diag_query - query relevant info associated with diag buffers + * @ioc: per adapter object + * @arg: user space buffer containing ioctl content + * + * The application will send only unique_id. Driver will + * inspect unique_id first, if valid, fill the details related to cause + * for diag buffer release. + */ +static long +_ctl_addnl_diag_query(struct MPT3SAS_ADAPTER *ioc, void __user *arg) +{ + struct mpt3_addnl_diag_query karg; + u32 buffer_type = 0; + if (copy_from_user(&karg, arg, sizeof(karg))) { + pr_err("%s: failure at %s:%d/%s()!\n", + ioc->name, __FILE__, __LINE__, __func__); + return -EFAULT; + } + dctlprintk(ioc, ioc_info(ioc, "%s\n", __func__)); + if (karg.unique_id == 0) { + ioc_err(ioc, "%s: unique_id is(0x%08x)\n", + __func__, karg.unique_id); + return -EPERM; + } + 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 -EPERM; + } + memset(&karg.rel_query, 0, sizeof(karg.rel_query)); + if ((ioc->diag_buffer_status[buffer_type] & + MPT3_DIAG_BUFFER_IS_REGISTERED) == 0) { + ioc_info(ioc, "%s: buffer_type(0x%02x) is not registered\n", + __func__, buffer_type); + goto out; + } + if ((ioc->diag_buffer_status[buffer_type] & + MPT3_DIAG_BUFFER_IS_RELEASED) == 0) { + ioc_err(ioc, "%s: buffer_type(0x%02x) is not released\n", + __func__, buffer_type); + return -EPERM; + } + memcpy(&karg.rel_query, &ioc->htb_rel, sizeof(karg.rel_query)); +out: + if (copy_to_user(arg, &karg, sizeof(struct mpt3_addnl_diag_query))) { + ioc_err(ioc, "%s: unable to write mpt3_addnl_diag_query data @ %p\n", + __func__, arg); + return -EFAULT; + } + return 0; +} + +/** + * _ctl_enable_diag_sbr_reload - enable sbr reload bit + * @ioc: per adapter object + * @arg: user space buffer containing ioctl content + * + * Enable the SBR reload bit + */ +static int +_ctl_enable_diag_sbr_reload(struct MPT3SAS_ADAPTER *ioc, void __user *arg) +{ + u32 ioc_state, host_diagnostic; + + if (ioc->shost_recovery || + ioc->pci_error_recovery || ioc->is_driver_loading || + ioc->remove_host) + return -EAGAIN; + + ioc_state = mpt3sas_base_get_iocstate(ioc, 1); + + if (ioc_state != MPI2_IOC_STATE_OPERATIONAL) + return -EFAULT; + + host_diagnostic = ioc->base_readl(&ioc->chip->HostDiagnostic); + + if (host_diagnostic & MPI2_DIAG_SBR_RELOAD) + return 0; + + if (mutex_trylock(&ioc->hostdiag_unlock_mutex)) { + if (mpt3sas_base_unlock_and_get_host_diagnostic(ioc, &host_diagnostic)) { + mutex_unlock(&ioc->hostdiag_unlock_mutex); + return -EFAULT; + } + } else + return -EAGAIN; + + host_diagnostic |= MPI2_DIAG_SBR_RELOAD; + writel(host_diagnostic, &ioc->chip->HostDiagnostic); + host_diagnostic = ioc->base_readl(&ioc->chip->HostDiagnostic); + mpt3sas_base_lock_host_diagnostic(ioc); + mutex_unlock(&ioc->hostdiag_unlock_mutex); + + if (!(host_diagnostic & MPI2_DIAG_SBR_RELOAD)) { + ioc_err(ioc, "%s: Failed to set Diag SBR Reload Bit\n", __func__); + return -EFAULT; + } + + ioc_info(ioc, "%s: Successfully set the Diag SBR Reload Bit\n", __func__); + return 0; +} #ifdef CONFIG_COMPAT /** * _ctl_compat_mpt_command - convert 32bit pointers to 64bit. * @ioc: per adapter object - * @cmd - ioctl opcode - * @arg - (struct mpt3_ioctl_command32) + * @cmd: ioctl opcode + * @arg: (struct mpt3_ioctl_command32) * * MPT3COMMAND32 - Handle 32bit applications running on 64bit os. */ @@ -2178,19 +2705,21 @@ _ctl_compat_mpt_command(struct MPT3SAS_ADAPTER *ioc, unsigned cmd, /** * _ctl_ioctl_main - main ioctl entry point - * @file - (struct file) - * @cmd - ioctl opcode - * @arg - - * compat - handles 32 bit applications in 64bit os + * @file: (struct file) + * @cmd: ioctl opcode + * @arg: user space data buffer + * @compat: handles 32 bit applications in 64bit os + * @mpi_version: will be MPI2_VERSION for mpt2ctl ioctl device & + * MPI25_VERSION | MPI26_VERSION for mpt3ctl ioctl device. */ static long _ctl_ioctl_main(struct file *file, unsigned int cmd, void __user *arg, - u8 compat) + u8 compat, u16 mpi_version) { struct MPT3SAS_ADAPTER *ioc; struct mpt3_ioctl_header ioctl_header; enum block_state state; - long ret = -EINVAL; + long ret = -ENOIOCTLCMD; /* get IOCTL header */ if (copy_from_user(&ioctl_header, (char __user *)arg, @@ -2200,19 +2729,29 @@ _ctl_ioctl_main(struct file *file, unsigned int cmd, void __user *arg, return -EFAULT; } - if (_ctl_verify_adapter(ioctl_header.ioc_number, &ioc) == -1 || !ioc) + if (_ctl_verify_adapter(ioctl_header.ioc_number, + &ioc, mpi_version) == -1 || !ioc) return -ENODEV; + /* pci_access_mutex lock acquired by ioctl path */ + mutex_lock(&ioc->pci_access_mutex); + if (ioc->shost_recovery || ioc->pci_error_recovery || - ioc->is_driver_loading) - return -EAGAIN; + ioc->is_driver_loading || ioc->remove_host) { + ret = -EAGAIN; + goto out_unlock_pciaccess; + } state = (file->f_flags & O_NONBLOCK) ? NON_BLOCKING : BLOCKING; if (state == NON_BLOCKING) { - if (!mutex_trylock(&ioc->ctl_cmds.mutex)) - return -EAGAIN; - } else if (mutex_lock_interruptible(&ioc->ctl_cmds.mutex)) - return -ERESTARTSYS; + if (!mutex_trylock(&ioc->ctl_cmds.mutex)) { + ret = -EAGAIN; + goto out_unlock_pciaccess; + } + } else if (mutex_lock_interruptible(&ioc->ctl_cmds.mutex)) { + ret = -ERESTARTSYS; + goto out_unlock_pciaccess; + } switch (cmd) { @@ -2241,6 +2780,10 @@ _ctl_ioctl_main(struct file *file, unsigned int cmd, void __user *arg, break; } + if (karg.hdr.ioc_number != ioctl_header.ioc_number) { + ret = -EINVAL; + break; + } if (_IOC_SIZE(cmd) == sizeof(struct mpt3_ioctl_command)) { uarg = arg; ret = _ctl_do_mpt_command(ioc, karg, &uarg->mf); @@ -2286,37 +2829,279 @@ _ctl_ioctl_main(struct file *file, unsigned int cmd, void __user *arg, if (_IOC_SIZE(cmd) == sizeof(struct mpt3_diag_read_buffer)) ret = _ctl_diag_read_buffer(ioc, arg); break; + case MPT3ADDNLDIAGQUERY: + if (_IOC_SIZE(cmd) == sizeof(struct mpt3_addnl_diag_query)) + ret = _ctl_addnl_diag_query(ioc, arg); + break; + case MPT3ENABLEDIAGSBRRELOAD: + if (_IOC_SIZE(cmd) == sizeof(struct mpt3_enable_diag_sbr_reload)) + ret = _ctl_enable_diag_sbr_reload(ioc, arg); + break; default: - dctlprintk(ioc, pr_info(MPT3SAS_FMT - "unsupported ioctl opcode(0x%08x)\n", ioc->name, cmd)); + dctlprintk(ioc, + ioc_info(ioc, "unsupported ioctl opcode(0x%08x)\n", + cmd)); break; } mutex_unlock(&ioc->ctl_cmds.mutex); +out_unlock_pciaccess: + mutex_unlock(&ioc->pci_access_mutex); return ret; } /** - * _ctl_ioctl - main ioctl entry point (unlocked) - * @file - (struct file) - * @cmd - ioctl opcode - * @arg - + * _ctl_get_mpt_mctp_passthru_adapter - Traverse the IOC list and return the IOC at + * dev_index positionthat support MCTP passhtru + * @dev_index: position in the mpt3sas_ioc_list to search for + * Return pointer to the IOC on success + * NULL if device not found error + */ +static struct MPT3SAS_ADAPTER * +_ctl_get_mpt_mctp_passthru_adapter(int dev_index) +{ + struct MPT3SAS_ADAPTER *ioc = NULL; + int count = 0; + + spin_lock(&gioc_lock); + /* Traverse ioc list and return number of IOC that support MCTP passthru */ + list_for_each_entry(ioc, &mpt3sas_ioc_list, list) { + if (ioc->facts.IOCCapabilities & MPI26_IOCFACTS_CAPABILITY_MCTP_PASSTHRU) { + if (count == dev_index) { + spin_unlock(&gioc_lock); + return ioc; + } + count++; + } + } + spin_unlock(&gioc_lock); + + return NULL; +} + +/** + * mpt3sas_get_device_count - Retrieve the count of MCTP passthrough + * capable devices managed by the driver. + * + * Returns number of devices that support MCTP passthrough. + */ +int +mpt3sas_get_device_count(void) +{ + int count = 0; + struct MPT3SAS_ADAPTER *ioc = NULL; + + spin_lock(&gioc_lock); + /* Traverse ioc list and return number of IOC that support MCTP passthru */ + list_for_each_entry(ioc, &mpt3sas_ioc_list, list) + if (ioc->facts.IOCCapabilities & MPI26_IOCFACTS_CAPABILITY_MCTP_PASSTHRU) + count++; + + spin_unlock(&gioc_lock); + + return count; +} +EXPORT_SYMBOL(mpt3sas_get_device_count); + +/** + * mpt3sas_send_passthru_cmd - Send an MPI MCTP passthrough command to + * firmware + * @command: The MPI MCTP passthrough command to send to firmware + * + * Returns 0 on success, anything else is error. + */ +int mpt3sas_send_mctp_passthru_req(struct mpt3_passthru_command *command) +{ + struct MPT3SAS_ADAPTER *ioc; + MPI2RequestHeader_t *mpi_request = NULL, *request; + Mpi26MctpPassthroughRequest_t *mctp_passthru_req; + u16 smid; + unsigned long timeout; + u8 issue_reset = 0; + u32 sz; + void *psge; + void *data_out = NULL; + dma_addr_t data_out_dma = 0; + size_t data_out_sz = 0; + void *data_in = NULL; + dma_addr_t data_in_dma = 0; + size_t data_in_sz = 0; + long ret; + + /* Retrieve ioc from dev_index */ + ioc = _ctl_get_mpt_mctp_passthru_adapter(command->dev_index); + if (!ioc) + return -ENODEV; + + mutex_lock(&ioc->pci_access_mutex); + if (ioc->shost_recovery || + ioc->pci_error_recovery || ioc->is_driver_loading || + ioc->remove_host) { + ret = -EAGAIN; + goto unlock_pci_access; + } + + /* Lock the ctl_cmds mutex to ensure a single ctl cmd is pending */ + if (mutex_lock_interruptible(&ioc->ctl_cmds.mutex)) { + ret = -ERESTARTSYS; + goto unlock_pci_access; + } + + if (ioc->ctl_cmds.status != MPT3_CMD_NOT_USED) { + ioc_err(ioc, "%s: ctl_cmd in use\n", __func__); + ret = -EAGAIN; + goto unlock_ctl_cmds; + } + + ret = mpt3sas_wait_for_ioc(ioc, IOC_OPERATIONAL_WAIT_COUNT); + if (ret) + goto unlock_ctl_cmds; + + mpi_request = (MPI2RequestHeader_t *)command->mpi_request; + if (mpi_request->Function != MPI2_FUNCTION_MCTP_PASSTHROUGH) { + ioc_err(ioc, "%s: Invalid request received, Function 0x%x\n", + __func__, mpi_request->Function); + ret = -EINVAL; + goto unlock_ctl_cmds; + } + + /* Use first reserved smid for passthrough commands */ + smid = ioc->scsiio_depth - INTERNAL_SCSIIO_CMDS_COUNT + 1; + ret = 0; + ioc->ctl_cmds.status = MPT3_CMD_PENDING; + memset(ioc->ctl_cmds.reply, 0, ioc->reply_sz); + request = mpt3sas_base_get_msg_frame(ioc, smid); + memset(request, 0, ioc->request_sz); + memcpy(request, command->mpi_request, sizeof(Mpi26MctpPassthroughRequest_t)); + ioc->ctl_cmds.smid = smid; + data_out_sz = command->data_out_size; + data_in_sz = command->data_in_size; + + /* obtain dma-able memory for data transfer */ + if (data_out_sz) /* WRITE */ { + data_out = dma_alloc_coherent(&ioc->pdev->dev, data_out_sz, + &data_out_dma, GFP_ATOMIC); + if (!data_out) { + ret = -ENOMEM; + mpt3sas_base_free_smid(ioc, smid); + goto out; + } + memcpy(data_out, command->data_out_buf_ptr, data_out_sz); + + } + + if (data_in_sz) /* READ */ { + data_in = dma_alloc_coherent(&ioc->pdev->dev, data_in_sz, + &data_in_dma, GFP_ATOMIC); + if (!data_in) { + ret = -ENOMEM; + mpt3sas_base_free_smid(ioc, smid); + goto out; + } + } + + psge = &((Mpi26MctpPassthroughRequest_t *)request)->H2DSGL; + + init_completion(&ioc->ctl_cmds.done); + + mctp_passthru_req = (Mpi26MctpPassthroughRequest_t *)request; + + _ctl_send_mctp_passthru_req(ioc, mctp_passthru_req, psge, data_out_dma, + data_out_sz, data_in_dma, data_in_sz, smid); + + timeout = command->timeout; + if (timeout < MPT3_IOCTL_DEFAULT_TIMEOUT) + timeout = MPT3_IOCTL_DEFAULT_TIMEOUT; + + wait_for_completion_timeout(&ioc->ctl_cmds.done, timeout*HZ); + if (!(ioc->ctl_cmds.status & MPT3_CMD_COMPLETE)) { + mpt3sas_check_cmd_timeout(ioc, + ioc->ctl_cmds.status, mpi_request, + sizeof(Mpi26MctpPassthroughRequest_t) / 4, issue_reset); + goto issue_host_reset; + } + + /* copy out xdata to user */ + if (data_in_sz) + memcpy(command->data_in_buf_ptr, data_in, data_in_sz); + + /* copy out reply message frame to user */ + if (command->max_reply_bytes) { + sz = min_t(u32, command->max_reply_bytes, ioc->reply_sz); + memcpy(command->reply_frame_buf_ptr, ioc->ctl_cmds.reply, sz); + } + +issue_host_reset: + if (issue_reset) { + ret = -ENODATA; + mpt3sas_base_hard_reset_handler(ioc, FORCE_BIG_HAMMER); + } + +out: + /* free memory associated with sg buffers */ + if (data_in) + dma_free_coherent(&ioc->pdev->dev, data_in_sz, data_in, + data_in_dma); + + if (data_out) + dma_free_coherent(&ioc->pdev->dev, data_out_sz, data_out, + data_out_dma); + + ioc->ctl_cmds.status = MPT3_CMD_NOT_USED; + +unlock_ctl_cmds: + mutex_unlock(&ioc->ctl_cmds.mutex); + +unlock_pci_access: + mutex_unlock(&ioc->pci_access_mutex); + return ret; + +} +EXPORT_SYMBOL(mpt3sas_send_mctp_passthru_req); + +/** + * _ctl_ioctl - mpt3ctl main ioctl entry point (unlocked) + * @file: (struct file) + * @cmd: ioctl opcode + * @arg: ? */ static long _ctl_ioctl(struct file *file, unsigned int cmd, unsigned long arg) { long ret; - ret = _ctl_ioctl_main(file, cmd, (void __user *)arg, 0); + /* pass MPI25_VERSION | MPI26_VERSION value, + * to indicate that this ioctl cmd + * came from mpt3ctl ioctl device. + */ + ret = _ctl_ioctl_main(file, cmd, (void __user *)arg, 0, + MPI25_VERSION | MPI26_VERSION); return ret; } +/** + * _ctl_mpt2_ioctl - mpt2ctl main ioctl entry point (unlocked) + * @file: (struct file) + * @cmd: ioctl opcode + * @arg: ? + */ +static long +_ctl_mpt2_ioctl(struct file *file, unsigned int cmd, unsigned long arg) +{ + long ret; + + /* pass MPI2_VERSION value, to indicate that this ioctl cmd + * came from mpt2ctl ioctl device. + */ + ret = _ctl_ioctl_main(file, cmd, (void __user *)arg, 0, MPI2_VERSION); + return ret; +} #ifdef CONFIG_COMPAT /** * _ctl_ioctl_compat - main ioctl entry point (compat) - * @file - - * @cmd - - * @arg - + * @file: ? + * @cmd: ? + * @arg: ? * * This routine handles 32 bit applications in 64bit os. */ @@ -2325,21 +3110,40 @@ _ctl_ioctl_compat(struct file *file, unsigned cmd, unsigned long arg) { long ret; - ret = _ctl_ioctl_main(file, cmd, (void __user *)arg, 1); + ret = _ctl_ioctl_main(file, cmd, (void __user *)arg, 1, + MPI25_VERSION | MPI26_VERSION); + return ret; +} + +/** + * _ctl_mpt2_ioctl_compat - main ioctl entry point (compat) + * @file: ? + * @cmd: ? + * @arg: ? + * + * This routine handles 32 bit applications in 64bit os. + */ +static long +_ctl_mpt2_ioctl_compat(struct file *file, unsigned cmd, unsigned long arg) +{ + long ret; + + ret = _ctl_ioctl_main(file, cmd, (void __user *)arg, 1, MPI2_VERSION); return ret; } #endif /* scsi host attributes */ /** - * _ctl_version_fw_show - firmware version - * @cdev - pointer to embedded class device - * @buf - the buffer returned + * version_fw_show - firmware version + * @cdev: pointer to embedded class device + * @attr: ? + * @buf: the buffer returned * * A sysfs 'read-only' shost attribute. */ static ssize_t -_ctl_version_fw_show(struct device *cdev, struct device_attribute *attr, +version_fw_show(struct device *cdev, struct device_attribute *attr, char *buf) { struct Scsi_Host *shost = class_to_shost(cdev); @@ -2351,17 +3155,18 @@ _ctl_version_fw_show(struct device *cdev, struct device_attribute *attr, (ioc->facts.FWVersion.Word & 0x0000FF00) >> 8, ioc->facts.FWVersion.Word & 0x000000FF); } -static DEVICE_ATTR(version_fw, S_IRUGO, _ctl_version_fw_show, NULL); +static DEVICE_ATTR_RO(version_fw); /** - * _ctl_version_bios_show - bios version - * @cdev - pointer to embedded class device - * @buf - the buffer returned + * version_bios_show - bios version + * @cdev: pointer to embedded class device + * @attr: ? + * @buf: the buffer returned * * A sysfs 'read-only' shost attribute. */ static ssize_t -_ctl_version_bios_show(struct device *cdev, struct device_attribute *attr, +version_bios_show(struct device *cdev, struct device_attribute *attr, char *buf) { struct Scsi_Host *shost = class_to_shost(cdev); @@ -2375,17 +3180,18 @@ _ctl_version_bios_show(struct device *cdev, struct device_attribute *attr, (version & 0x0000FF00) >> 8, version & 0x000000FF); } -static DEVICE_ATTR(version_bios, S_IRUGO, _ctl_version_bios_show, NULL); +static DEVICE_ATTR_RO(version_bios); /** - * _ctl_version_mpi_show - MPI (message passing interface) version - * @cdev - pointer to embedded class device - * @buf - the buffer returned + * version_mpi_show - MPI (message passing interface) version + * @cdev: pointer to embedded class device + * @attr: ? + * @buf: the buffer returned * * A sysfs 'read-only' shost attribute. */ static ssize_t -_ctl_version_mpi_show(struct device *cdev, struct device_attribute *attr, +version_mpi_show(struct device *cdev, struct device_attribute *attr, char *buf) { struct Scsi_Host *shost = class_to_shost(cdev); @@ -2394,17 +3200,18 @@ _ctl_version_mpi_show(struct device *cdev, struct device_attribute *attr, return snprintf(buf, PAGE_SIZE, "%03x.%02x\n", ioc->facts.MsgVersion, ioc->facts.HeaderVersion >> 8); } -static DEVICE_ATTR(version_mpi, S_IRUGO, _ctl_version_mpi_show, NULL); +static DEVICE_ATTR_RO(version_mpi); /** - * _ctl_version_product_show - product name - * @cdev - pointer to embedded class device - * @buf - the buffer returned + * version_product_show - product name + * @cdev: pointer to embedded class device + * @attr: ? + * @buf: the buffer returned * * A sysfs 'read-only' shost attribute. */ static ssize_t -_ctl_version_product_show(struct device *cdev, struct device_attribute *attr, +version_product_show(struct device *cdev, struct device_attribute *attr, char *buf) { struct Scsi_Host *shost = class_to_shost(cdev); @@ -2412,17 +3219,18 @@ _ctl_version_product_show(struct device *cdev, struct device_attribute *attr, return snprintf(buf, 16, "%s\n", ioc->manu_pg0.ChipName); } -static DEVICE_ATTR(version_product, S_IRUGO, _ctl_version_product_show, NULL); +static DEVICE_ATTR_RO(version_product); /** - * _ctl_version_nvdata_persistent_show - ndvata persistent version - * @cdev - pointer to embedded class device - * @buf - the buffer returned + * version_nvdata_persistent_show - ndvata persistent version + * @cdev: pointer to embedded class device + * @attr: ? + * @buf: the buffer returned * * A sysfs 'read-only' shost attribute. */ static ssize_t -_ctl_version_nvdata_persistent_show(struct device *cdev, +version_nvdata_persistent_show(struct device *cdev, struct device_attribute *attr, char *buf) { struct Scsi_Host *shost = class_to_shost(cdev); @@ -2431,18 +3239,18 @@ _ctl_version_nvdata_persistent_show(struct device *cdev, return snprintf(buf, PAGE_SIZE, "%08xh\n", le32_to_cpu(ioc->iounit_pg0.NvdataVersionPersistent.Word)); } -static DEVICE_ATTR(version_nvdata_persistent, S_IRUGO, - _ctl_version_nvdata_persistent_show, NULL); +static DEVICE_ATTR_RO(version_nvdata_persistent); /** - * _ctl_version_nvdata_default_show - nvdata default version - * @cdev - pointer to embedded class device - * @buf - the buffer returned + * version_nvdata_default_show - nvdata default version + * @cdev: pointer to embedded class device + * @attr: ? + * @buf: the buffer returned * * A sysfs 'read-only' shost attribute. */ static ssize_t -_ctl_version_nvdata_default_show(struct device *cdev, struct device_attribute +version_nvdata_default_show(struct device *cdev, struct device_attribute *attr, char *buf) { struct Scsi_Host *shost = class_to_shost(cdev); @@ -2451,18 +3259,18 @@ _ctl_version_nvdata_default_show(struct device *cdev, struct device_attribute return snprintf(buf, PAGE_SIZE, "%08xh\n", le32_to_cpu(ioc->iounit_pg0.NvdataVersionDefault.Word)); } -static DEVICE_ATTR(version_nvdata_default, S_IRUGO, - _ctl_version_nvdata_default_show, NULL); +static DEVICE_ATTR_RO(version_nvdata_default); /** - * _ctl_board_name_show - board name - * @cdev - pointer to embedded class device - * @buf - the buffer returned + * board_name_show - board name + * @cdev: pointer to embedded class device + * @attr: ? + * @buf: the buffer returned * * A sysfs 'read-only' shost attribute. */ static ssize_t -_ctl_board_name_show(struct device *cdev, struct device_attribute *attr, +board_name_show(struct device *cdev, struct device_attribute *attr, char *buf) { struct Scsi_Host *shost = class_to_shost(cdev); @@ -2470,17 +3278,18 @@ _ctl_board_name_show(struct device *cdev, struct device_attribute *attr, return snprintf(buf, 16, "%s\n", ioc->manu_pg0.BoardName); } -static DEVICE_ATTR(board_name, S_IRUGO, _ctl_board_name_show, NULL); +static DEVICE_ATTR_RO(board_name); /** - * _ctl_board_assembly_show - board assembly name - * @cdev - pointer to embedded class device - * @buf - the buffer returned + * board_assembly_show - board assembly name + * @cdev: pointer to embedded class device + * @attr: ? + * @buf: the buffer returned * * A sysfs 'read-only' shost attribute. */ static ssize_t -_ctl_board_assembly_show(struct device *cdev, struct device_attribute *attr, +board_assembly_show(struct device *cdev, struct device_attribute *attr, char *buf) { struct Scsi_Host *shost = class_to_shost(cdev); @@ -2488,17 +3297,18 @@ _ctl_board_assembly_show(struct device *cdev, struct device_attribute *attr, return snprintf(buf, 16, "%s\n", ioc->manu_pg0.BoardAssembly); } -static DEVICE_ATTR(board_assembly, S_IRUGO, _ctl_board_assembly_show, NULL); +static DEVICE_ATTR_RO(board_assembly); /** - * _ctl_board_tracer_show - board tracer number - * @cdev - pointer to embedded class device - * @buf - the buffer returned + * board_tracer_show - board tracer number + * @cdev: pointer to embedded class device + * @attr: ? + * @buf: the buffer returned * * A sysfs 'read-only' shost attribute. */ static ssize_t -_ctl_board_tracer_show(struct device *cdev, struct device_attribute *attr, +board_tracer_show(struct device *cdev, struct device_attribute *attr, char *buf) { struct Scsi_Host *shost = class_to_shost(cdev); @@ -2506,12 +3316,13 @@ _ctl_board_tracer_show(struct device *cdev, struct device_attribute *attr, return snprintf(buf, 16, "%s\n", ioc->manu_pg0.BoardTracerNumber); } -static DEVICE_ATTR(board_tracer, S_IRUGO, _ctl_board_tracer_show, NULL); +static DEVICE_ATTR_RO(board_tracer); /** - * _ctl_io_delay_show - io missing delay - * @cdev - pointer to embedded class device - * @buf - the buffer returned + * io_delay_show - io missing delay + * @cdev: pointer to embedded class device + * @attr: ? + * @buf: the buffer returned * * This is for firmware implemention for deboucing device * removal events. @@ -2519,7 +3330,7 @@ static DEVICE_ATTR(board_tracer, S_IRUGO, _ctl_board_tracer_show, NULL); * A sysfs 'read-only' shost attribute. */ static ssize_t -_ctl_io_delay_show(struct device *cdev, struct device_attribute *attr, +io_delay_show(struct device *cdev, struct device_attribute *attr, char *buf) { struct Scsi_Host *shost = class_to_shost(cdev); @@ -2527,12 +3338,13 @@ _ctl_io_delay_show(struct device *cdev, struct device_attribute *attr, return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->io_missing_delay); } -static DEVICE_ATTR(io_delay, S_IRUGO, _ctl_io_delay_show, NULL); +static DEVICE_ATTR_RO(io_delay); /** - * _ctl_device_delay_show - device missing delay - * @cdev - pointer to embedded class device - * @buf - the buffer returned + * device_delay_show - device missing delay + * @cdev: pointer to embedded class device + * @attr: ? + * @buf: the buffer returned * * This is for firmware implemention for deboucing device * removal events. @@ -2540,7 +3352,7 @@ static DEVICE_ATTR(io_delay, S_IRUGO, _ctl_io_delay_show, NULL); * A sysfs 'read-only' shost attribute. */ static ssize_t -_ctl_device_delay_show(struct device *cdev, struct device_attribute *attr, +device_delay_show(struct device *cdev, struct device_attribute *attr, char *buf) { struct Scsi_Host *shost = class_to_shost(cdev); @@ -2548,19 +3360,20 @@ _ctl_device_delay_show(struct device *cdev, struct device_attribute *attr, return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->device_missing_delay); } -static DEVICE_ATTR(device_delay, S_IRUGO, _ctl_device_delay_show, NULL); +static DEVICE_ATTR_RO(device_delay); /** - * _ctl_fw_queue_depth_show - global credits - * @cdev - pointer to embedded class device - * @buf - the buffer returned + * fw_queue_depth_show - global credits + * @cdev: pointer to embedded class device + * @attr: ? + * @buf: the buffer returned * * This is firmware queue depth limit * * A sysfs 'read-only' shost attribute. */ static ssize_t -_ctl_fw_queue_depth_show(struct device *cdev, struct device_attribute *attr, +fw_queue_depth_show(struct device *cdev, struct device_attribute *attr, char *buf) { struct Scsi_Host *shost = class_to_shost(cdev); @@ -2568,19 +3381,20 @@ _ctl_fw_queue_depth_show(struct device *cdev, struct device_attribute *attr, return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->facts.RequestCredit); } -static DEVICE_ATTR(fw_queue_depth, S_IRUGO, _ctl_fw_queue_depth_show, NULL); +static DEVICE_ATTR_RO(fw_queue_depth); /** - * _ctl_sas_address_show - sas address - * @cdev - pointer to embedded class device - * @buf - the buffer returned + * host_sas_address_show - sas address + * @cdev: pointer to embedded class device + * @attr: ? + * @buf: the buffer returned * * This is the controller sas address * * A sysfs 'read-only' shost attribute. */ static ssize_t -_ctl_host_sas_address_show(struct device *cdev, struct device_attribute *attr, +host_sas_address_show(struct device *cdev, struct device_attribute *attr, char *buf) { @@ -2590,18 +3404,18 @@ _ctl_host_sas_address_show(struct device *cdev, struct device_attribute *attr, return snprintf(buf, PAGE_SIZE, "0x%016llx\n", (unsigned long long)ioc->sas_hba.sas_address); } -static DEVICE_ATTR(host_sas_address, S_IRUGO, - _ctl_host_sas_address_show, NULL); +static DEVICE_ATTR_RO(host_sas_address); /** - * _ctl_logging_level_show - logging level - * @cdev - pointer to embedded class device - * @buf - the buffer returned + * logging_level_show - logging level + * @cdev: pointer to embedded class device + * @attr: ? + * @buf: the buffer returned * * A sysfs 'read/write' shost attribute. */ static ssize_t -_ctl_logging_level_show(struct device *cdev, struct device_attribute *attr, +logging_level_show(struct device *cdev, struct device_attribute *attr, char *buf) { struct Scsi_Host *shost = class_to_shost(cdev); @@ -2610,7 +3424,7 @@ _ctl_logging_level_show(struct device *cdev, struct device_attribute *attr, return snprintf(buf, PAGE_SIZE, "%08xh\n", ioc->logging_level); } static ssize_t -_ctl_logging_level_store(struct device *cdev, struct device_attribute *attr, +logging_level_store(struct device *cdev, struct device_attribute *attr, const char *buf, size_t count) { struct Scsi_Host *shost = class_to_shost(cdev); @@ -2621,23 +3435,23 @@ _ctl_logging_level_store(struct device *cdev, struct device_attribute *attr, return -EINVAL; ioc->logging_level = val; - pr_info(MPT3SAS_FMT "logging_level=%08xh\n", ioc->name, - ioc->logging_level); + ioc_info(ioc, "logging_level=%08xh\n", + ioc->logging_level); return strlen(buf); } -static DEVICE_ATTR(logging_level, S_IRUGO | S_IWUSR, _ctl_logging_level_show, - _ctl_logging_level_store); +static DEVICE_ATTR_RW(logging_level); /** - * _ctl_fwfault_debug_show - show/store fwfault_debug - * @cdev - pointer to embedded class device - * @buf - the buffer returned + * fwfault_debug_show - show/store fwfault_debug + * @cdev: pointer to embedded class device + * @attr: ? + * @buf: the buffer returned * * mpt3sas_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, +fwfault_debug_show(struct device *cdev, struct device_attribute *attr, char *buf) { struct Scsi_Host *shost = class_to_shost(cdev); @@ -2646,7 +3460,7 @@ _ctl_fwfault_debug_show(struct device *cdev, struct device_attribute *attr, return snprintf(buf, PAGE_SIZE, "%d\n", ioc->fwfault_debug); } static ssize_t -_ctl_fwfault_debug_store(struct device *cdev, struct device_attribute *attr, +fwfault_debug_store(struct device *cdev, struct device_attribute *attr, const char *buf, size_t count) { struct Scsi_Host *shost = class_to_shost(cdev); @@ -2657,24 +3471,24 @@ _ctl_fwfault_debug_store(struct device *cdev, struct device_attribute *attr, return -EINVAL; ioc->fwfault_debug = val; - pr_info(MPT3SAS_FMT "fwfault_debug=%d\n", ioc->name, - ioc->fwfault_debug); + ioc_info(ioc, "fwfault_debug=%d\n", + ioc->fwfault_debug); return strlen(buf); } -static DEVICE_ATTR(fwfault_debug, S_IRUGO | S_IWUSR, - _ctl_fwfault_debug_show, _ctl_fwfault_debug_store); +static DEVICE_ATTR_RW(fwfault_debug); /** - * _ctl_ioc_reset_count_show - ioc reset count - * @cdev - pointer to embedded class device - * @buf - the buffer returned + * ioc_reset_count_show - ioc reset count + * @cdev: pointer to embedded class device + * @attr: ? + * @buf: the buffer returned * * This is firmware queue depth limit * * A sysfs 'read-only' shost attribute. */ static ssize_t -_ctl_ioc_reset_count_show(struct device *cdev, struct device_attribute *attr, +ioc_reset_count_show(struct device *cdev, struct device_attribute *attr, char *buf) { struct Scsi_Host *shost = class_to_shost(cdev); @@ -2682,19 +3496,20 @@ _ctl_ioc_reset_count_show(struct device *cdev, struct device_attribute *attr, return snprintf(buf, PAGE_SIZE, "%d\n", ioc->ioc_reset_count); } -static DEVICE_ATTR(ioc_reset_count, S_IRUGO, _ctl_ioc_reset_count_show, NULL); +static DEVICE_ATTR_RO(ioc_reset_count); /** - * _ctl_ioc_reply_queue_count_show - number of reply queues - * @cdev - pointer to embedded class device - * @buf - the buffer returned + * reply_queue_count_show - number of reply queues + * @cdev: pointer to embedded class device + * @attr: ? + * @buf: the buffer returned * * This is number of reply queues * * A sysfs 'read-only' shost attribute. */ static ssize_t -_ctl_ioc_reply_queue_count_show(struct device *cdev, +reply_queue_count_show(struct device *cdev, struct device_attribute *attr, char *buf) { u8 reply_queue_count; @@ -2709,8 +3524,76 @@ _ctl_ioc_reply_queue_count_show(struct device *cdev, return snprintf(buf, PAGE_SIZE, "%d\n", reply_queue_count); } -static DEVICE_ATTR(reply_queue_count, S_IRUGO, _ctl_ioc_reply_queue_count_show, - NULL); +static DEVICE_ATTR_RO(reply_queue_count); + +/** + * BRM_status_show - Backup Rail Monitor Status + * @cdev: pointer to embedded class device + * @attr: ? + * @buf: the buffer returned + * + * This is number of reply queues + * + * A sysfs 'read-only' shost attribute. + */ +static ssize_t +BRM_status_show(struct device *cdev, struct device_attribute *attr, + char *buf) +{ + struct Scsi_Host *shost = class_to_shost(cdev); + struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); + Mpi2IOUnitPage3_t io_unit_pg3; + Mpi2ConfigReply_t mpi_reply; + u16 backup_rail_monitor_status = 0; + u16 ioc_status; + int sz; + ssize_t rc = 0; + + if (!ioc->is_warpdrive) { + ioc_err(ioc, "%s: BRM attribute is only for warpdrive\n", + __func__); + return 0; + } + /* pci_access_mutex lock acquired by sysfs show path */ + mutex_lock(&ioc->pci_access_mutex); + if (ioc->pci_error_recovery || ioc->remove_host) + goto out; + + sz = sizeof(io_unit_pg3); + memset(&io_unit_pg3, 0, sz); + + if (mpt3sas_config_get_iounit_pg3(ioc, &mpi_reply, &io_unit_pg3, sz) != + 0) { + ioc_err(ioc, "%s: failed reading iounit_pg3\n", + __func__); + rc = -EINVAL; + goto out; + } + + ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & MPI2_IOCSTATUS_MASK; + if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { + ioc_err(ioc, "%s: iounit_pg3 failed with ioc_status(0x%04x)\n", + __func__, ioc_status); + rc = -EINVAL; + goto out; + } + + if (io_unit_pg3.GPIOCount < 25) { + ioc_err(ioc, "%s: iounit_pg3.GPIOCount less than 25 entries, detected (%d) entries\n", + __func__, io_unit_pg3.GPIOCount); + rc = -EINVAL; + goto out; + } + + /* BRM status is in bit zero of GPIOVal[24] */ + backup_rail_monitor_status = le16_to_cpu(io_unit_pg3.GPIOVal[24]); + rc = snprintf(buf, PAGE_SIZE, "%d\n", (backup_rail_monitor_status & 1)); + + out: + mutex_unlock(&ioc->pci_access_mutex); + return rc; +} +static DEVICE_ATTR_RO(BRM_status); struct DIAG_BUFFER_START { __le32 Size; @@ -2723,14 +3606,15 @@ struct DIAG_BUFFER_START { }; /** - * _ctl_host_trace_buffer_size_show - host buffer size (trace only) - * @cdev - pointer to embedded class device - * @buf - the buffer returned + * host_trace_buffer_size_show - host buffer size (trace only) + * @cdev: pointer to embedded class device + * @attr: ? + * @buf: the buffer returned * * A sysfs 'read-only' shost attribute. */ static ssize_t -_ctl_host_trace_buffer_size_show(struct device *cdev, +host_trace_buffer_size_show(struct device *cdev, struct device_attribute *attr, char *buf) { struct Scsi_Host *shost = class_to_shost(cdev); @@ -2739,17 +3623,15 @@ _ctl_host_trace_buffer_size_show(struct device *cdev, struct DIAG_BUFFER_START *request_data; if (!ioc->diag_buffer[MPI2_DIAG_BUF_TYPE_TRACE]) { - pr_err(MPT3SAS_FMT - "%s: host_trace_buffer is not registered\n", - ioc->name, __func__); + ioc_err(ioc, "%s: host_trace_buffer is not registered\n", + __func__); return 0; } if ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] & MPT3_DIAG_BUFFER_IS_REGISTERED) == 0) { - pr_err(MPT3SAS_FMT - "%s: host_trace_buffer is not registered\n", - ioc->name, __func__); + ioc_err(ioc, "%s: host_trace_buffer is not registered\n", + __func__); return 0; } @@ -2764,13 +3646,13 @@ _ctl_host_trace_buffer_size_show(struct device *cdev, ioc->ring_buffer_sz = size; return snprintf(buf, PAGE_SIZE, "%d\n", size); } -static DEVICE_ATTR(host_trace_buffer_size, S_IRUGO, - _ctl_host_trace_buffer_size_show, NULL); +static DEVICE_ATTR_RO(host_trace_buffer_size); /** - * _ctl_host_trace_buffer_show - firmware ring buffer (trace only) - * @cdev - pointer to embedded class device - * @buf - the buffer returned + * host_trace_buffer_show - firmware ring buffer (trace only) + * @cdev: pointer to embedded class device + * @attr: ? + * @buf: the buffer returned * * A sysfs 'read/write' shost attribute. * @@ -2779,7 +3661,7 @@ static DEVICE_ATTR(host_trace_buffer_size, S_IRUGO, * offset to the same attribute, it will move the pointer. */ static ssize_t -_ctl_host_trace_buffer_show(struct device *cdev, struct device_attribute *attr, +host_trace_buffer_show(struct device *cdev, struct device_attribute *attr, char *buf) { struct Scsi_Host *shost = class_to_shost(cdev); @@ -2788,17 +3670,15 @@ _ctl_host_trace_buffer_show(struct device *cdev, struct device_attribute *attr, u32 size; if (!ioc->diag_buffer[MPI2_DIAG_BUF_TYPE_TRACE]) { - pr_err(MPT3SAS_FMT - "%s: host_trace_buffer is not registered\n", - ioc->name, __func__); + ioc_err(ioc, "%s: host_trace_buffer is not registered\n", + __func__); return 0; } if ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] & MPT3_DIAG_BUFFER_IS_REGISTERED) == 0) { - pr_err(MPT3SAS_FMT - "%s: host_trace_buffer is not registered\n", - ioc->name, __func__); + ioc_err(ioc, "%s: host_trace_buffer is not registered\n", + __func__); return 0; } @@ -2813,7 +3693,7 @@ _ctl_host_trace_buffer_show(struct device *cdev, struct device_attribute *attr, } static ssize_t -_ctl_host_trace_buffer_store(struct device *cdev, struct device_attribute *attr, +host_trace_buffer_store(struct device *cdev, struct device_attribute *attr, const char *buf, size_t count) { struct Scsi_Host *shost = class_to_shost(cdev); @@ -2826,23 +3706,23 @@ _ctl_host_trace_buffer_store(struct device *cdev, struct device_attribute *attr, ioc->ring_buffer_offset = val; return strlen(buf); } -static DEVICE_ATTR(host_trace_buffer, S_IRUGO | S_IWUSR, - _ctl_host_trace_buffer_show, _ctl_host_trace_buffer_store); +static DEVICE_ATTR_RW(host_trace_buffer); /*****************************************/ /** - * _ctl_host_trace_buffer_enable_show - firmware ring buffer (trace only) - * @cdev - pointer to embedded class device - * @buf - the buffer returned + * host_trace_buffer_enable_show - firmware ring buffer (trace only) + * @cdev: pointer to embedded class device + * @attr: ? + * @buf: the buffer returned * * A sysfs 'read/write' shost attribute. * * This is a mechnism to post/release host_trace_buffers */ static ssize_t -_ctl_host_trace_buffer_enable_show(struct device *cdev, +host_trace_buffer_enable_show(struct device *cdev, struct device_attribute *attr, char *buf) { struct Scsi_Host *shost = class_to_shost(cdev); @@ -2860,7 +3740,7 @@ _ctl_host_trace_buffer_enable_show(struct device *cdev, } static ssize_t -_ctl_host_trace_buffer_enable_store(struct device *cdev, +host_trace_buffer_enable_store(struct device *cdev, struct device_attribute *attr, const char *buf, size_t count) { struct Scsi_Host *shost = class_to_shost(cdev); @@ -2886,13 +3766,49 @@ _ctl_host_trace_buffer_enable_store(struct device *cdev, MPT3_DIAG_BUFFER_IS_RELEASED) == 0)) goto out; memset(&diag_register, 0, sizeof(struct mpt3_diag_register)); - pr_info(MPT3SAS_FMT "posting host trace buffers\n", - ioc->name); + 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)) { + dma_free_coherent(&ioc->pdev->dev, + 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]) @@ -2903,8 +3819,8 @@ _ctl_host_trace_buffer_enable_store(struct device *cdev, if ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] & MPT3_DIAG_BUFFER_IS_RELEASED)) goto out; - pr_info(MPT3SAS_FMT "releasing host trace buffer\n", - ioc->name); + ioc_info(ioc, "releasing host trace buffer\n"); + ioc->htb_rel.buffer_rel_condition = MPT3_DIAG_BUFFER_REL_SYSFS; mpt3sas_send_diag_release(ioc, MPI2_DIAG_BUF_TYPE_TRACE, &issue_reset); } @@ -2912,21 +3828,20 @@ _ctl_host_trace_buffer_enable_store(struct device *cdev, out: return strlen(buf); } -static DEVICE_ATTR(host_trace_buffer_enable, S_IRUGO | S_IWUSR, - _ctl_host_trace_buffer_enable_show, - _ctl_host_trace_buffer_enable_store); +static DEVICE_ATTR_RW(host_trace_buffer_enable); /*********** diagnostic trigger suppport *********************************/ /** - * _ctl_diag_trigger_master_show - show the diag_trigger_master attribute - * @cdev - pointer to embedded class device - * @buf - the buffer returned + * diag_trigger_master_show - show the diag_trigger_master attribute + * @cdev: pointer to embedded class device + * @attr: ? + * @buf: the buffer returned * * A sysfs 'read/write' shost attribute. */ static ssize_t -_ctl_diag_trigger_master_show(struct device *cdev, +diag_trigger_master_show(struct device *cdev, struct device_attribute *attr, char *buf) { @@ -2943,24 +3858,46 @@ _ctl_diag_trigger_master_show(struct device *cdev, } /** - * _ctl_diag_trigger_master_store - store the diag_trigger_master attribute - * @cdev - pointer to embedded class device - * @buf - the buffer returned + * diag_trigger_master_store - store the diag_trigger_master attribute + * @cdev: pointer to embedded class device + * @attr: ? + * @buf: the buffer returned + * @count: ? * * A sysfs 'read/write' shost attribute. */ static ssize_t -_ctl_diag_trigger_master_store(struct device *cdev, +diag_trigger_master_store(struct device *cdev, struct device_attribute *attr, const char *buf, size_t count) { struct Scsi_Host *shost = class_to_shost(cdev); struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); + struct SL_WH_MASTER_TRIGGER_T *master_tg; unsigned long flags; ssize_t rc; + bool set = 1; - spin_lock_irqsave(&ioc->diag_trigger_lock, flags); rc = min(sizeof(struct SL_WH_MASTER_TRIGGER_T), count); + + if (ioc->supports_trigger_pages) { + master_tg = kzalloc(sizeof(struct SL_WH_MASTER_TRIGGER_T), + GFP_KERNEL); + if (!master_tg) + return -ENOMEM; + + memcpy(master_tg, buf, rc); + if (!master_tg->MasterData) + set = 0; + if (mpt3sas_config_update_driver_trigger_pg1(ioc, master_tg, + set)) { + kfree(master_tg); + return -EFAULT; + } + kfree(master_tg); + } + + spin_lock_irqsave(&ioc->diag_trigger_lock, flags); memset(&ioc->diag_trigger_master, 0, sizeof(struct SL_WH_MASTER_TRIGGER_T)); memcpy(&ioc->diag_trigger_master, buf, rc); @@ -2969,19 +3906,19 @@ _ctl_diag_trigger_master_store(struct device *cdev, spin_unlock_irqrestore(&ioc->diag_trigger_lock, flags); return rc; } -static DEVICE_ATTR(diag_trigger_master, S_IRUGO | S_IWUSR, - _ctl_diag_trigger_master_show, _ctl_diag_trigger_master_store); +static DEVICE_ATTR_RW(diag_trigger_master); /** - * _ctl_diag_trigger_event_show - show the diag_trigger_event attribute - * @cdev - pointer to embedded class device - * @buf - the buffer returned + * diag_trigger_event_show - show the diag_trigger_event attribute + * @cdev: pointer to embedded class device + * @attr: ? + * @buf: the buffer returned * * A sysfs 'read/write' shost attribute. */ static ssize_t -_ctl_diag_trigger_event_show(struct device *cdev, +diag_trigger_event_show(struct device *cdev, struct device_attribute *attr, char *buf) { struct Scsi_Host *shost = class_to_shost(cdev); @@ -2997,24 +3934,46 @@ _ctl_diag_trigger_event_show(struct device *cdev, } /** - * _ctl_diag_trigger_event_store - store the diag_trigger_event attribute - * @cdev - pointer to embedded class device - * @buf - the buffer returned + * diag_trigger_event_store - store the diag_trigger_event attribute + * @cdev: pointer to embedded class device + * @attr: ? + * @buf: the buffer returned + * @count: ? * * A sysfs 'read/write' shost attribute. */ static ssize_t -_ctl_diag_trigger_event_store(struct device *cdev, +diag_trigger_event_store(struct device *cdev, struct device_attribute *attr, const char *buf, size_t count) { struct Scsi_Host *shost = class_to_shost(cdev); struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); + struct SL_WH_EVENT_TRIGGERS_T *event_tg; unsigned long flags; ssize_t sz; + bool set = 1; - spin_lock_irqsave(&ioc->diag_trigger_lock, flags); sz = min(sizeof(struct SL_WH_EVENT_TRIGGERS_T), count); + if (ioc->supports_trigger_pages) { + event_tg = kzalloc(sizeof(struct SL_WH_EVENT_TRIGGERS_T), + GFP_KERNEL); + if (!event_tg) + return -ENOMEM; + + memcpy(event_tg, buf, sz); + if (!event_tg->ValidEntries) + set = 0; + if (mpt3sas_config_update_driver_trigger_pg2(ioc, event_tg, + set)) { + kfree(event_tg); + return -EFAULT; + } + kfree(event_tg); + } + + spin_lock_irqsave(&ioc->diag_trigger_lock, flags); + memset(&ioc->diag_trigger_event, 0, sizeof(struct SL_WH_EVENT_TRIGGERS_T)); memcpy(&ioc->diag_trigger_event, buf, sz); @@ -3023,19 +3982,19 @@ _ctl_diag_trigger_event_store(struct device *cdev, spin_unlock_irqrestore(&ioc->diag_trigger_lock, flags); return sz; } -static DEVICE_ATTR(diag_trigger_event, S_IRUGO | S_IWUSR, - _ctl_diag_trigger_event_show, _ctl_diag_trigger_event_store); +static DEVICE_ATTR_RW(diag_trigger_event); /** - * _ctl_diag_trigger_scsi_show - show the diag_trigger_scsi attribute - * @cdev - pointer to embedded class device - * @buf - the buffer returned + * diag_trigger_scsi_show - show the diag_trigger_scsi attribute + * @cdev: pointer to embedded class device + * @attr: ? + * @buf: the buffer returned * * A sysfs 'read/write' shost attribute. */ static ssize_t -_ctl_diag_trigger_scsi_show(struct device *cdev, +diag_trigger_scsi_show(struct device *cdev, struct device_attribute *attr, char *buf) { struct Scsi_Host *shost = class_to_shost(cdev); @@ -3051,44 +4010,65 @@ _ctl_diag_trigger_scsi_show(struct device *cdev, } /** - * _ctl_diag_trigger_scsi_store - store the diag_trigger_scsi attribute - * @cdev - pointer to embedded class device - * @buf - the buffer returned + * diag_trigger_scsi_store - store the diag_trigger_scsi attribute + * @cdev: pointer to embedded class device + * @attr: ? + * @buf: the buffer returned + * @count: ? * * A sysfs 'read/write' shost attribute. */ static ssize_t -_ctl_diag_trigger_scsi_store(struct device *cdev, +diag_trigger_scsi_store(struct device *cdev, struct device_attribute *attr, const char *buf, size_t count) { struct Scsi_Host *shost = class_to_shost(cdev); struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); + struct SL_WH_SCSI_TRIGGERS_T *scsi_tg; unsigned long flags; ssize_t sz; + bool set = 1; - spin_lock_irqsave(&ioc->diag_trigger_lock, flags); sz = min(sizeof(struct SL_WH_SCSI_TRIGGERS_T), count); - memset(&ioc->diag_trigger_scsi, 0, - sizeof(struct SL_WH_EVENT_TRIGGERS_T)); + if (ioc->supports_trigger_pages) { + scsi_tg = kzalloc(sizeof(struct SL_WH_SCSI_TRIGGERS_T), + GFP_KERNEL); + if (!scsi_tg) + return -ENOMEM; + + memcpy(scsi_tg, buf, sz); + if (!scsi_tg->ValidEntries) + set = 0; + if (mpt3sas_config_update_driver_trigger_pg3(ioc, scsi_tg, + set)) { + kfree(scsi_tg); + return -EFAULT; + } + kfree(scsi_tg); + } + + spin_lock_irqsave(&ioc->diag_trigger_lock, flags); + + memset(&ioc->diag_trigger_scsi, 0, sizeof(ioc->diag_trigger_scsi)); memcpy(&ioc->diag_trigger_scsi, buf, sz); if (ioc->diag_trigger_scsi.ValidEntries > NUM_VALID_ENTRIES) ioc->diag_trigger_scsi.ValidEntries = NUM_VALID_ENTRIES; spin_unlock_irqrestore(&ioc->diag_trigger_lock, flags); return sz; } -static DEVICE_ATTR(diag_trigger_scsi, S_IRUGO | S_IWUSR, - _ctl_diag_trigger_scsi_show, _ctl_diag_trigger_scsi_store); +static DEVICE_ATTR_RW(diag_trigger_scsi); /** - * _ctl_diag_trigger_scsi_show - show the diag_trigger_mpi attribute - * @cdev - pointer to embedded class device - * @buf - the buffer returned + * diag_trigger_mpi_show - show the diag_trigger_mpi attribute + * @cdev: pointer to embedded class device + * @attr: ? + * @buf: the buffer returned * * A sysfs 'read/write' shost attribute. */ static ssize_t -_ctl_diag_trigger_mpi_show(struct device *cdev, +diag_trigger_mpi_show(struct device *cdev, struct device_attribute *attr, char *buf) { struct Scsi_Host *shost = class_to_shost(cdev); @@ -3104,23 +4084,44 @@ _ctl_diag_trigger_mpi_show(struct device *cdev, } /** - * _ctl_diag_trigger_mpi_store - store the diag_trigger_mpi attribute - * @cdev - pointer to embedded class device - * @buf - the buffer returned + * diag_trigger_mpi_store - store the diag_trigger_mpi attribute + * @cdev: pointer to embedded class device + * @attr: ? + * @buf: the buffer returned + * @count: ? * * A sysfs 'read/write' shost attribute. */ static ssize_t -_ctl_diag_trigger_mpi_store(struct device *cdev, +diag_trigger_mpi_store(struct device *cdev, struct device_attribute *attr, const char *buf, size_t count) { struct Scsi_Host *shost = class_to_shost(cdev); struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); + struct SL_WH_MPI_TRIGGERS_T *mpi_tg; unsigned long flags; ssize_t sz; + bool set = 1; - spin_lock_irqsave(&ioc->diag_trigger_lock, flags); sz = min(sizeof(struct SL_WH_MPI_TRIGGERS_T), count); + if (ioc->supports_trigger_pages) { + mpi_tg = kzalloc(sizeof(struct SL_WH_MPI_TRIGGERS_T), + GFP_KERNEL); + if (!mpi_tg) + return -ENOMEM; + + memcpy(mpi_tg, buf, sz); + if (!mpi_tg->ValidEntries) + set = 0; + if (mpt3sas_config_update_driver_trigger_pg4(ioc, mpi_tg, + set)) { + kfree(mpi_tg); + return -EFAULT; + } + kfree(mpi_tg); + } + + spin_lock_irqsave(&ioc->diag_trigger_lock, flags); memset(&ioc->diag_trigger_mpi, 0, sizeof(ioc->diag_trigger_mpi)); memcpy(&ioc->diag_trigger_mpi, buf, sz); @@ -3130,56 +4131,190 @@ _ctl_diag_trigger_mpi_store(struct device *cdev, return sz; } -static DEVICE_ATTR(diag_trigger_mpi, S_IRUGO | S_IWUSR, - _ctl_diag_trigger_mpi_show, _ctl_diag_trigger_mpi_store); +static DEVICE_ATTR_RW(diag_trigger_mpi); /*********** diagnostic trigger suppport *** END ****************************/ +/*****************************************/ +/** + * drv_support_bitmap_show - driver supported feature bitmap + * @cdev: pointer to embedded class device + * @attr: unused + * @buf: the buffer returned + * + * A sysfs 'read-only' shost attribute. + */ +static ssize_t +drv_support_bitmap_show(struct device *cdev, + struct device_attribute *attr, char *buf) +{ + struct Scsi_Host *shost = class_to_shost(cdev); + struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); -/*****************************************/ + return snprintf(buf, PAGE_SIZE, "0x%08x\n", ioc->drv_support_bitmap); +} +static DEVICE_ATTR_RO(drv_support_bitmap); + +/** + * enable_sdev_max_qd_show - display whether sdev max qd is enabled/disabled + * @cdev: pointer to embedded class device + * @attr: unused + * @buf: the buffer returned + * + * A sysfs read/write shost attribute. This attribute is used to set the + * targets queue depth to HBA IO queue depth if this attribute is enabled. + */ +static ssize_t +enable_sdev_max_qd_show(struct device *cdev, + struct device_attribute *attr, char *buf) +{ + struct Scsi_Host *shost = class_to_shost(cdev); + struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); + + return snprintf(buf, PAGE_SIZE, "%d\n", ioc->enable_sdev_max_qd); +} + +/** + * enable_sdev_max_qd_store - Enable/disable sdev max qd + * @cdev: pointer to embedded class device + * @attr: unused + * @buf: the buffer returned + * @count: unused + * + * A sysfs read/write shost attribute. This attribute is used to set the + * targets queue depth to HBA IO queue depth if this attribute is enabled. + * If this attribute is disabled then targets will have corresponding default + * queue depth. + */ +static ssize_t +enable_sdev_max_qd_store(struct device *cdev, + struct device_attribute *attr, const char *buf, size_t count) +{ + struct Scsi_Host *shost = class_to_shost(cdev); + struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); + struct MPT3SAS_DEVICE *sas_device_priv_data; + struct MPT3SAS_TARGET *sas_target_priv_data; + int val = 0; + struct scsi_device *sdev; + struct _raid_device *raid_device; + int qdepth; + + if (kstrtoint(buf, 0, &val) != 0) + return -EINVAL; + + switch (val) { + case 0: + ioc->enable_sdev_max_qd = 0; + shost_for_each_device(sdev, ioc->shost) { + sas_device_priv_data = sdev->hostdata; + if (!sas_device_priv_data) + continue; + sas_target_priv_data = sas_device_priv_data->sas_target; + if (!sas_target_priv_data) + continue; -struct device_attribute *mpt3sas_host_attrs[] = { - &dev_attr_version_fw, - &dev_attr_version_bios, - &dev_attr_version_mpi, - &dev_attr_version_product, - &dev_attr_version_nvdata_persistent, - &dev_attr_version_nvdata_default, - &dev_attr_board_name, - &dev_attr_board_assembly, - &dev_attr_board_tracer, - &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, - &dev_attr_ioc_reset_count, - &dev_attr_host_trace_buffer_size, - &dev_attr_host_trace_buffer, - &dev_attr_host_trace_buffer_enable, - &dev_attr_reply_queue_count, - &dev_attr_diag_trigger_master, - &dev_attr_diag_trigger_event, - &dev_attr_diag_trigger_scsi, - &dev_attr_diag_trigger_mpi, + if (sas_target_priv_data->flags & + MPT_TARGET_FLAGS_VOLUME) { + raid_device = + mpt3sas_raid_device_find_by_handle(ioc, + sas_target_priv_data->handle); + + switch (raid_device->volume_type) { + case MPI2_RAID_VOL_TYPE_RAID0: + if (raid_device->device_info & + MPI2_SAS_DEVICE_INFO_SSP_TARGET) + qdepth = + MPT3SAS_SAS_QUEUE_DEPTH; + else + qdepth = + MPT3SAS_SATA_QUEUE_DEPTH; + break; + case MPI2_RAID_VOL_TYPE_RAID1E: + case MPI2_RAID_VOL_TYPE_RAID1: + case MPI2_RAID_VOL_TYPE_RAID10: + case MPI2_RAID_VOL_TYPE_UNKNOWN: + default: + qdepth = MPT3SAS_RAID_QUEUE_DEPTH; + } + } else if (sas_target_priv_data->flags & + MPT_TARGET_FLAGS_PCIE_DEVICE) + qdepth = ioc->max_nvme_qd; + else + qdepth = (sas_target_priv_data->sas_dev->port_type > 1) ? + ioc->max_wideport_qd : ioc->max_narrowport_qd; + + mpt3sas_scsih_change_queue_depth(sdev, qdepth); + } + break; + case 1: + ioc->enable_sdev_max_qd = 1; + shost_for_each_device(sdev, ioc->shost) + mpt3sas_scsih_change_queue_depth(sdev, + shost->can_queue); + break; + default: + return -EINVAL; + } + + return strlen(buf); +} +static DEVICE_ATTR_RW(enable_sdev_max_qd); + +static struct attribute *mpt3sas_host_attrs[] = { + &dev_attr_version_fw.attr, + &dev_attr_version_bios.attr, + &dev_attr_version_mpi.attr, + &dev_attr_version_product.attr, + &dev_attr_version_nvdata_persistent.attr, + &dev_attr_version_nvdata_default.attr, + &dev_attr_board_name.attr, + &dev_attr_board_assembly.attr, + &dev_attr_board_tracer.attr, + &dev_attr_io_delay.attr, + &dev_attr_device_delay.attr, + &dev_attr_logging_level.attr, + &dev_attr_fwfault_debug.attr, + &dev_attr_fw_queue_depth.attr, + &dev_attr_host_sas_address.attr, + &dev_attr_ioc_reset_count.attr, + &dev_attr_host_trace_buffer_size.attr, + &dev_attr_host_trace_buffer.attr, + &dev_attr_host_trace_buffer_enable.attr, + &dev_attr_reply_queue_count.attr, + &dev_attr_diag_trigger_master.attr, + &dev_attr_diag_trigger_event.attr, + &dev_attr_diag_trigger_scsi.attr, + &dev_attr_diag_trigger_mpi.attr, + &dev_attr_drv_support_bitmap.attr, + &dev_attr_BRM_status.attr, + &dev_attr_enable_sdev_max_qd.attr, NULL, }; +static const struct attribute_group mpt3sas_host_attr_group = { + .attrs = mpt3sas_host_attrs +}; + +const struct attribute_group *mpt3sas_host_groups[] = { + &mpt3sas_host_attr_group, + NULL +}; + /* device attributes */ /** - * _ctl_device_sas_address_show - sas address - * @cdev - pointer to embedded class device - * @buf - the buffer returned + * sas_address_show - sas address + * @dev: pointer to embedded class device + * @attr: ? + * @buf: the buffer returned * * This is the sas address for the target * * A sysfs 'read-only' shost attribute. */ static ssize_t -_ctl_device_sas_address_show(struct device *dev, struct device_attribute *attr, +sas_address_show(struct device *dev, struct device_attribute *attr, char *buf) { struct scsi_device *sdev = to_scsi_device(dev); @@ -3188,19 +4323,20 @@ _ctl_device_sas_address_show(struct device *dev, struct device_attribute *attr, return snprintf(buf, PAGE_SIZE, "0x%016llx\n", (unsigned long long)sas_device_priv_data->sas_target->sas_address); } -static DEVICE_ATTR(sas_address, S_IRUGO, _ctl_device_sas_address_show, NULL); +static DEVICE_ATTR_RO(sas_address); /** - * _ctl_device_handle_show - device handle - * @cdev - pointer to embedded class device - * @buf - the buffer returned + * sas_device_handle_show - device handle + * @dev: pointer to embedded class device + * @attr: ? + * @buf: the buffer returned * * This is the firmware assigned device handle * * A sysfs 'read-only' shost attribute. */ static ssize_t -_ctl_device_handle_show(struct device *dev, struct device_attribute *attr, +sas_device_handle_show(struct device *dev, struct device_attribute *attr, char *buf) { struct scsi_device *sdev = to_scsi_device(dev); @@ -3209,14 +4345,83 @@ _ctl_device_handle_show(struct device *dev, struct device_attribute *attr, return snprintf(buf, PAGE_SIZE, "0x%04x\n", sas_device_priv_data->sas_target->handle); } -static DEVICE_ATTR(sas_device_handle, S_IRUGO, _ctl_device_handle_show, NULL); +static DEVICE_ATTR_RO(sas_device_handle); + +/** + * sas_ncq_prio_supported_show - Indicate if device supports NCQ priority + * @dev: pointer to embedded device + * @attr: sas_ncq_prio_supported attribute descriptor + * @buf: the buffer returned + * + * A sysfs 'read-only' sdev attribute, only works with SATA + */ +static ssize_t +sas_ncq_prio_supported_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct scsi_device *sdev = to_scsi_device(dev); + + return sysfs_emit(buf, "%d\n", sas_ata_ncq_prio_supported(sdev)); +} +static DEVICE_ATTR_RO(sas_ncq_prio_supported); + +/** + * sas_ncq_prio_enable_show - send prioritized io commands to device + * @dev: pointer to embedded device + * @attr: ? + * @buf: the buffer returned + * + * A sysfs 'read/write' sdev attribute, only works with SATA + */ +static ssize_t +sas_ncq_prio_enable_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct scsi_device *sdev = to_scsi_device(dev); + struct MPT3SAS_DEVICE *sas_device_priv_data = sdev->hostdata; -struct device_attribute *mpt3sas_dev_attrs[] = { - &dev_attr_sas_address, - &dev_attr_sas_device_handle, + return snprintf(buf, PAGE_SIZE, "%d\n", + sas_device_priv_data->ncq_prio_enable); +} + +static ssize_t +sas_ncq_prio_enable_store(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct scsi_device *sdev = to_scsi_device(dev); + struct MPT3SAS_DEVICE *sas_device_priv_data = sdev->hostdata; + bool ncq_prio_enable = 0; + + if (kstrtobool(buf, &ncq_prio_enable)) + return -EINVAL; + + if (!sas_ata_ncq_prio_supported(sdev)) + return -EINVAL; + + sas_device_priv_data->ncq_prio_enable = ncq_prio_enable; + return strlen(buf); +} +static DEVICE_ATTR_RW(sas_ncq_prio_enable); + +static struct attribute *mpt3sas_dev_attrs[] = { + &dev_attr_sas_address.attr, + &dev_attr_sas_device_handle.attr, + &dev_attr_sas_ncq_prio_supported.attr, + &dev_attr_sas_ncq_prio_enable.attr, NULL, }; +static const struct attribute_group mpt3sas_dev_attr_group = { + .attrs = mpt3sas_dev_attrs +}; + +const struct attribute_group *mpt3sas_dev_groups[] = { + &mpt3sas_dev_attr_group, + NULL +}; + +/* file operations table for mpt3ctl device */ static const struct file_operations ctl_fops = { .owner = THIS_MODULE, .unlocked_ioctl = _ctl_ioctl, @@ -3227,56 +4432,91 @@ static const struct file_operations ctl_fops = { #endif }; +/* file operations table for mpt2ctl device */ +static const struct file_operations ctl_gen2_fops = { + .owner = THIS_MODULE, + .unlocked_ioctl = _ctl_mpt2_ioctl, + .poll = _ctl_poll, + .fasync = _ctl_fasync, +#ifdef CONFIG_COMPAT + .compat_ioctl = _ctl_mpt2_ioctl_compat, +#endif +}; + static struct miscdevice ctl_dev = { .minor = MPT3SAS_MINOR, .name = MPT3SAS_DEV_NAME, .fops = &ctl_fops, }; +static struct miscdevice gen2_ctl_dev = { + .minor = MPT2SAS_MINOR, + .name = MPT2SAS_DEV_NAME, + .fops = &ctl_gen2_fops, +}; + /** * mpt3sas_ctl_init - main entry point for ctl. - * + * @hbas_to_enumerate: ? */ void -mpt3sas_ctl_init(void) +mpt3sas_ctl_init(ushort hbas_to_enumerate) { async_queue = NULL; - if (misc_register(&ctl_dev) < 0) - pr_err("%s can't register misc device [minor=%d]\n", - MPT3SAS_DRIVER_NAME, MPT3SAS_MINOR); + + /* Don't register mpt3ctl ioctl device if + * hbas_to_enumarate is one. + */ + if (hbas_to_enumerate != 1) + if (misc_register(&ctl_dev) < 0) + pr_err("%s can't register misc device [minor=%d]\n", + MPT3SAS_DRIVER_NAME, MPT3SAS_MINOR); + + /* Don't register mpt3ctl ioctl device if + * hbas_to_enumarate is two. + */ + if (hbas_to_enumerate != 2) + if (misc_register(&gen2_ctl_dev) < 0) + pr_err("%s can't register misc device [minor=%d]\n", + MPT2SAS_DRIVER_NAME, MPT2SAS_MINOR); init_waitqueue_head(&ctl_poll_wait); } /** - * mpt3sas_ctl_exit - exit point for ctl - * + * mpt3sas_ctl_release - release dma for ctl + * @ioc: per adapter object */ void -mpt3sas_ctl_exit(void) +mpt3sas_ctl_release(struct MPT3SAS_ADAPTER *ioc) { - struct MPT3SAS_ADAPTER *ioc; int i; - list_for_each_entry(ioc, &mpt3sas_ioc_list, list) { + /* free memory associated to diag buffers */ + for (i = 0; i < MPI2_DIAG_BUF_TYPE_COUNT; i++) { + if (!ioc->diag_buffer[i]) + continue; + dma_free_coherent(&ioc->pdev->dev, + ioc->diag_buffer_sz[i], + ioc->diag_buffer[i], + ioc->diag_buffer_dma[i]); + ioc->diag_buffer[i] = NULL; + ioc->diag_buffer_status[i] = 0; + } - /* free memory associated to diag buffers */ - 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; - pci_free_consistent(ioc->pdev, ioc->diag_buffer_sz[i], - ioc->diag_buffer[i], ioc->diag_buffer_dma[i]); - ioc->diag_buffer[i] = NULL; - ioc->diag_buffer_status[i] = 0; - } + kfree(ioc->event_log); +} - kfree(ioc->event_log); - } - misc_deregister(&ctl_dev); +/** + * mpt3sas_ctl_exit - exit point for ctl + * @hbas_to_enumerate: ? + */ +void +mpt3sas_ctl_exit(ushort hbas_to_enumerate) +{ + + if (hbas_to_enumerate != 1) + misc_deregister(&ctl_dev); + if (hbas_to_enumerate != 2) + misc_deregister(&gen2_ctl_dev); } |