diff options
Diffstat (limited to 'drivers/scsi/mpt2sas/mpt2sas_ctl.c')
| -rw-r--r-- | drivers/scsi/mpt2sas/mpt2sas_ctl.c | 3101 |
1 files changed, 0 insertions, 3101 deletions
diff --git a/drivers/scsi/mpt2sas/mpt2sas_ctl.c b/drivers/scsi/mpt2sas/mpt2sas_ctl.c deleted file mode 100644 index 3694b63bd993..000000000000 --- a/drivers/scsi/mpt2sas/mpt2sas_ctl.c +++ /dev/null @@ -1,3101 +0,0 @@ -/* - * Management Module Support for MPT (Message Passing Technology) based - * controllers - * - * This code is based on drivers/scsi/mpt2sas/mpt2_ctl.c - * Copyright (C) 2007-2014 LSI Corporation - * Copyright (C) 20013-2014 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 - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * NO WARRANTY - * THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR - * CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT - * LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT, - * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is - * solely responsible for determining the appropriateness of using and - * distributing the Program and assumes all risks associated with its - * exercise of rights under this Agreement, including but not limited to - * the risks and costs of program errors, damage to or loss of data, - * programs or equipment, and unavailability or interruption of operations. - - * DISCLAIMER OF LIABILITY - * NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY - * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND - * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR - * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE - * USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED - * HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES - - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, - * USA. - */ - -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/errno.h> -#include <linux/init.h> -#include <linux/slab.h> -#include <linux/types.h> -#include <linux/pci.h> -#include <linux/delay.h> -#include <linux/mutex.h> -#include <linux/compat.h> -#include <linux/poll.h> - -#include <linux/io.h> -#include <linux/uaccess.h> - -#include "mpt2sas_base.h" -#include "mpt2sas_ctl.h" - -static DEFINE_MUTEX(_ctl_mutex); -static struct fasync_struct *async_queue; -static DECLARE_WAIT_QUEUE_HEAD(ctl_poll_wait); - -static int _ctl_send_release(struct MPT2SAS_ADAPTER *ioc, u8 buffer_type, - u8 *issue_reset); - -/** - * enum block_state - blocking state - * @NON_BLOCKING: non blocking - * @BLOCKING: blocking - * - * These states are for ioctls that need to wait for a response - * from firmware, so they probably require sleep. - */ -enum block_state { - NON_BLOCKING, - BLOCKING, -}; - -#ifdef CONFIG_SCSI_MPT2SAS_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 MPT2SAS_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 - * @smid: system request message index - * @calling_function_name: string pass from calling function - * @mpi_reply: reply message frame - * Context: none. - * - * Function for displaying debug info helpful when debugging issues - * in this module. - */ -static void -_ctl_display_some_debug(struct MPT2SAS_ADAPTER *ioc, u16 smid, - char *calling_function_name, MPI2DefaultReply_t *mpi_reply) -{ - Mpi2ConfigRequest_t *mpi_request; - char *desc = NULL; - - if (!(ioc->logging_level & MPT_DEBUG_IOCTL)) - return; - - mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); - switch (mpi_request->Function) { - case MPI2_FUNCTION_SCSI_IO_REQUEST: - { - Mpi2SCSIIORequest_t *scsi_request = - (Mpi2SCSIIORequest_t *)mpi_request; - - snprintf(ioc->tmp_string, MPT_STRING_LENGTH, - "scsi_io, cmd(0x%02x), cdb_len(%d)", - scsi_request->CDB.CDB32[0], - le16_to_cpu(scsi_request->IoFlags) & 0xF); - desc = ioc->tmp_string; - break; - } - case MPI2_FUNCTION_SCSI_TASK_MGMT: - desc = "task_mgmt"; - break; - case MPI2_FUNCTION_IOC_INIT: - desc = "ioc_init"; - break; - case MPI2_FUNCTION_IOC_FACTS: - desc = "ioc_facts"; - break; - case MPI2_FUNCTION_CONFIG: - { - Mpi2ConfigRequest_t *config_request = - (Mpi2ConfigRequest_t *)mpi_request; - - snprintf(ioc->tmp_string, MPT_STRING_LENGTH, - "config, type(0x%02x), ext_type(0x%02x), number(%d)", - (config_request->Header.PageType & - MPI2_CONFIG_PAGETYPE_MASK), config_request->ExtPageType, - config_request->Header.PageNumber); - desc = ioc->tmp_string; - break; - } - case MPI2_FUNCTION_PORT_FACTS: - desc = "port_facts"; - break; - case MPI2_FUNCTION_PORT_ENABLE: - desc = "port_enable"; - break; - case MPI2_FUNCTION_EVENT_NOTIFICATION: - desc = "event_notification"; - break; - case MPI2_FUNCTION_FW_DOWNLOAD: - desc = "fw_download"; - break; - case MPI2_FUNCTION_FW_UPLOAD: - desc = "fw_upload"; - break; - case MPI2_FUNCTION_RAID_ACTION: - desc = "raid_action"; - break; - case MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH: - { - Mpi2SCSIIORequest_t *scsi_request = - (Mpi2SCSIIORequest_t *)mpi_request; - - snprintf(ioc->tmp_string, MPT_STRING_LENGTH, - "raid_pass, cmd(0x%02x), cdb_len(%d)", - scsi_request->CDB.CDB32[0], - le16_to_cpu(scsi_request->IoFlags) & 0xF); - desc = ioc->tmp_string; - break; - } - case MPI2_FUNCTION_SAS_IO_UNIT_CONTROL: - desc = "sas_iounit_cntl"; - break; - case MPI2_FUNCTION_SATA_PASSTHROUGH: - desc = "sata_pass"; - break; - case MPI2_FUNCTION_DIAG_BUFFER_POST: - desc = "diag_buffer_post"; - break; - case MPI2_FUNCTION_DIAG_RELEASE: - desc = "diag_release"; - break; - case MPI2_FUNCTION_SMP_PASSTHROUGH: - desc = "smp_passthrough"; - break; - } - - if (!desc) - return; - - printk(MPT2SAS_INFO_FMT "%s: %s, smid(%d)\n", - ioc->name, calling_function_name, desc, smid); - - if (!mpi_reply) - return; - - if (mpi_reply->IOCStatus || mpi_reply->IOCLogInfo) - printk(MPT2SAS_INFO_FMT - "\tiocstatus(0x%04x), loginfo(0x%08x)\n", - ioc->name, le16_to_cpu(mpi_reply->IOCStatus), - le32_to_cpu(mpi_reply->IOCLogInfo)); - - if (mpi_request->Function == MPI2_FUNCTION_SCSI_IO_REQUEST || - mpi_request->Function == - MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH) { - Mpi2SCSIIOReply_t *scsi_reply = - (Mpi2SCSIIOReply_t *)mpi_reply; - struct _sas_device *sas_device = NULL; - unsigned long flags; - - spin_lock_irqsave(&ioc->sas_device_lock, flags); - sas_device = _ctl_sas_device_find_by_handle(ioc, - le16_to_cpu(scsi_reply->DevHandle)); - if (sas_device) { - printk(MPT2SAS_WARN_FMT "\tsas_address(0x%016llx), " - "phy(%d)\n", ioc->name, (unsigned long long) - sas_device->sas_address, sas_device->phy); - printk(MPT2SAS_WARN_FMT - "\tenclosure_logical_id(0x%016llx), slot(%d)\n", - ioc->name, sas_device->enclosure_logical_id, - sas_device->slot); - } - spin_unlock_irqrestore(&ioc->sas_device_lock, flags); - if (scsi_reply->SCSIState || scsi_reply->SCSIStatus) - printk(MPT2SAS_INFO_FMT - "\tscsi_state(0x%02x), scsi_status" - "(0x%02x)\n", ioc->name, - scsi_reply->SCSIState, - scsi_reply->SCSIStatus); - } -} -#endif - -/** - * mpt2sas_ctl_done - ctl module completion routine - * @ioc: per adapter object - * @smid: system request message index - * @msix_index: MSIX table index supplied by the OS - * @reply: reply message frame(lower 32bit addr) - * Context: none. - * - * 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. - */ -u8 -mpt2sas_ctl_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, - u32 reply) -{ - MPI2DefaultReply_t *mpi_reply; - Mpi2SCSIIOReply_t *scsiio_reply; - const void *sense_data; - u32 sz; - - if (ioc->ctl_cmds.status == MPT2_CMD_NOT_USED) - return 1; - if (ioc->ctl_cmds.smid != smid) - return 1; - ioc->ctl_cmds.status |= MPT2_CMD_COMPLETE; - mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply); - if (mpi_reply) { - memcpy(ioc->ctl_cmds.reply, mpi_reply, mpi_reply->MsgLength*4); - ioc->ctl_cmds.status |= MPT2_CMD_REPLY_VALID; - /* get sense data */ - if (mpi_reply->Function == MPI2_FUNCTION_SCSI_IO_REQUEST || - mpi_reply->Function == - MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH) { - scsiio_reply = (Mpi2SCSIIOReply_t *)mpi_reply; - if (scsiio_reply->SCSIState & - MPI2_SCSI_STATE_AUTOSENSE_VALID) { - sz = min_t(u32, SCSI_SENSE_BUFFERSIZE, - le32_to_cpu(scsiio_reply->SenseCount)); - sense_data = mpt2sas_base_get_sense_buffer(ioc, - smid); - memcpy(ioc->ctl_cmds.sense, sense_data, sz); - } - } - } -#ifdef CONFIG_SCSI_MPT2SAS_LOGGING - _ctl_display_some_debug(ioc, smid, "ctl_done", mpi_reply); -#endif - ioc->ctl_cmds.status &= ~MPT2_CMD_PENDING; - complete(&ioc->ctl_cmds.done); - return 1; -} - -/** - * _ctl_check_event_type - determines when an event needs logging - * @ioc: per adapter object - * @event: firmware event - * - * 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. - */ -static int -_ctl_check_event_type(struct MPT2SAS_ADAPTER *ioc, u16 event) -{ - u16 i; - u32 desired_event; - - if (event >= 128 || !event || !ioc->event_log) - return 0; - - desired_event = (1 << (event % 32)); - if (!desired_event) - desired_event = 1; - i = event / 32; - return desired_event & ioc->event_type[i]; -} - -/** - * mpt2sas_ctl_add_to_event_log - add event - * @ioc: per adapter object - * @mpi_reply: reply message frame - * - * Return nothing. - */ -void -mpt2sas_ctl_add_to_event_log(struct MPT2SAS_ADAPTER *ioc, - Mpi2EventNotificationReply_t *mpi_reply) -{ - struct MPT2_IOCTL_EVENTS *event_log; - u16 event; - int i; - u32 sz, event_data_sz; - u8 send_aen = 0; - - if (!ioc->event_log) - return; - - event = le16_to_cpu(mpi_reply->Event); - - if (_ctl_check_event_type(ioc, event)) { - - /* insert entry into circular event_log */ - i = ioc->event_context % MPT2SAS_CTL_EVENT_LOG_SIZE; - event_log = ioc->event_log; - event_log[i].event = event; - event_log[i].context = ioc->event_context++; - - event_data_sz = le16_to_cpu(mpi_reply->EventDataLength)*4; - sz = min_t(u32, event_data_sz, MPT2_EVENT_DATA_SIZE); - memset(event_log[i].data, 0, MPT2_EVENT_DATA_SIZE); - memcpy(event_log[i].data, mpi_reply->EventData, sz); - send_aen = 1; - } - - /* This aen_event_read_flag flag is set until the - * application has read the event log. - * For MPI2_EVENT_LOG_ENTRY_ADDED, we always notify. - */ - if (event == MPI2_EVENT_LOG_ENTRY_ADDED || - (send_aen && !ioc->aen_event_read_flag)) { - ioc->aen_event_read_flag = 1; - wake_up_interruptible(&ctl_poll_wait); - if (async_queue) - kill_fasync(&async_queue, SIGIO, POLL_IN); - } -} - -/** - * mpt2sas_ctl_event_callback - firmware event handler (called at ISR time) - * @ioc: per adapter object - * @msix_index: MSIX table index supplied by the OS - * @reply: reply message frame(lower 32bit addr) - * Context: interrupt. - * - * This function merely adds a new work task into ioc->firmware_event_thread. - * The tasks are worked from _firmware_event_work in user context. - * - * Returns void. - */ -void -mpt2sas_ctl_event_callback(struct MPT2SAS_ADAPTER *ioc, u8 msix_index, - u32 reply) -{ - Mpi2EventNotificationReply_t *mpi_reply; - - mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply); - if (unlikely(!mpi_reply)) { - printk(MPT2SAS_ERR_FMT "mpi_reply not valid at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - return; - } - mpt2sas_ctl_add_to_event_log(ioc, mpi_reply); - return; -} - -/** - * _ctl_verify_adapter - validates ioc_number passed from application - * @ioc: per adapter object - * @iocpp: The ioc pointer is returned in this. - * - * Return (-1) means error, else ioc_number. - */ -static int -_ctl_verify_adapter(int ioc_number, struct MPT2SAS_ADAPTER **iocpp) -{ - struct MPT2SAS_ADAPTER *ioc; - /* global ioc lock to protect controller on list operations */ - spin_lock(&gioc_lock); - list_for_each_entry(ioc, &mpt2sas_ioc_list, list) { - if (ioc->id != ioc_number) - continue; - spin_unlock(&gioc_lock); - *iocpp = ioc; - return ioc_number; - } - spin_unlock(&gioc_lock); - *iocpp = NULL; - return -1; -} - -/** - * mpt2sas_ctl_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 MPT2_IOC_PRE_RESET, MPT2_IOC_AFTER_RESET, - * MPT2_IOC_DONE_RESET - */ -void -mpt2sas_ctl_reset_handler(struct MPT2SAS_ADAPTER *ioc, int reset_phase) -{ - int i; - u8 issue_reset; - - switch (reset_phase) { - case MPT2_IOC_PRE_RESET: - dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: " - "MPT2_IOC_PRE_RESET\n", ioc->name, __func__)); - for (i = 0; i < MPI2_DIAG_BUF_TYPE_COUNT; i++) { - if (!(ioc->diag_buffer_status[i] & - MPT2_DIAG_BUFFER_IS_REGISTERED)) - continue; - if ((ioc->diag_buffer_status[i] & - MPT2_DIAG_BUFFER_IS_RELEASED)) - continue; - _ctl_send_release(ioc, i, &issue_reset); - } - break; - case MPT2_IOC_AFTER_RESET: - dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: " - "MPT2_IOC_AFTER_RESET\n", ioc->name, __func__)); - if (ioc->ctl_cmds.status & MPT2_CMD_PENDING) { - ioc->ctl_cmds.status |= MPT2_CMD_RESET; - mpt2sas_base_free_smid(ioc, ioc->ctl_cmds.smid); - complete(&ioc->ctl_cmds.done); - } - break; - case MPT2_IOC_DONE_RESET: - dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: " - "MPT2_IOC_DONE_RESET\n", ioc->name, __func__)); - - for (i = 0; i < MPI2_DIAG_BUF_TYPE_COUNT; i++) { - if (!(ioc->diag_buffer_status[i] & - MPT2_DIAG_BUFFER_IS_REGISTERED)) - continue; - if ((ioc->diag_buffer_status[i] & - MPT2_DIAG_BUFFER_IS_RELEASED)) - continue; - ioc->diag_buffer_status[i] |= - MPT2_DIAG_BUFFER_IS_DIAG_RESET; - } - break; - } -} - -/** - * _ctl_fasync - - * @fd - - * @filep - - * @mode - - * - * Called when application request fasyn callback handler. - */ -static int -_ctl_fasync(int fd, struct file *filep, int mode) -{ - return fasync_helper(fd, filep, mode, &async_queue); -} - -/** - * _ctl_poll - - * @file - - * @wait - - * - */ -static unsigned int -_ctl_poll(struct file *filep, poll_table *wait) -{ - struct MPT2SAS_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, &mpt2sas_ioc_list, list) { - if (ioc->aen_event_read_flag) { - spin_unlock(&gioc_lock); - return POLLIN | POLLRDNORM; - } - } - spin_unlock(&gioc_lock); - return 0; -} - -/** - * _ctl_set_task_mid - assign an active smid to tm request - * @ioc: per adapter object - * @karg - (struct mpt2_ioctl_command) - * @tm_request - pointer to mf from user space - * - * Returns 0 when an smid if found, else fail. - * during failure, the reply frame is filled. - */ -static int -_ctl_set_task_mid(struct MPT2SAS_ADAPTER *ioc, struct mpt2_ioctl_command *karg, - Mpi2SCSITaskManagementRequest_t *tm_request) -{ - u8 found = 0; - u16 i; - u16 handle; - struct scsi_cmnd *scmd; - struct MPT2SAS_DEVICE *priv_data; - unsigned long flags; - Mpi2SCSITaskManagementReply_t *tm_reply; - u32 sz; - u32 lun; - char *desc = NULL; - - if (tm_request->TaskType == MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK) - desc = "abort_task"; - else if (tm_request->TaskType == MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK) - desc = "query_task"; - else - return 0; - - 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) - continue; - if (lun != scmd->device->lun) - continue; - priv_data = scmd->device->hostdata; - if (priv_data->sas_target == NULL) - continue; - if (priv_data->sas_target->handle != handle) - continue; - tm_request->TaskMID = cpu_to_le16(ioc->scsi_lookup[i - 1].smid); - found = 1; - } - spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); - - if (!found) { - dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: " - "handle(0x%04x), lun(%d), no active mid!!\n", ioc->name, - 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; - tm_reply->TaskType = tm_request->TaskType; - tm_reply->MsgLength = sizeof(Mpi2SCSITaskManagementReply_t)/4; - tm_reply->VP_ID = tm_request->VP_ID; - tm_reply->VF_ID = tm_request->VF_ID; - sz = min_t(u32, karg->max_reply_bytes, ioc->reply_sz); - if (copy_to_user(karg->reply_frame_buf_ptr, ioc->ctl_cmds.reply, - sz)) - printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__, - __LINE__, __func__); - return 1; - } - - dctlprintk(ioc, printk(MPT2SAS_INFO_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))); - return 0; -} - -/** - * _ctl_do_mpt_command - main handler for MPT2COMMAND opcode - * @ioc: per adapter object - * @karg - (struct mpt2_ioctl_command) - * @mf - pointer to mf in user space - */ -static long -_ctl_do_mpt_command(struct MPT2SAS_ADAPTER *ioc, struct mpt2_ioctl_command karg, - void __user *mf) -{ - MPI2RequestHeader_t *mpi_request = NULL, *request; - MPI2DefaultReply_t *mpi_reply; - u32 ioc_state; - u16 ioc_status; - u16 smid; - unsigned long timeout, timeleft; - u8 issue_reset; - u32 sz; - void *psge; - void *data_out = NULL; - dma_addr_t data_out_dma; - size_t data_out_sz = 0; - void *data_in = NULL; - dma_addr_t data_in_dma; - size_t data_in_sz = 0; - u32 sgl_flags; - long ret; - u16 wait_state_count; - - issue_reset = 0; - - if (ioc->ctl_cmds.status != MPT2_CMD_NOT_USED) { - printk(MPT2SAS_ERR_FMT "%s: ctl_cmd in use\n", - ioc->name, __func__); - ret = -EAGAIN; - goto out; - } - - wait_state_count = 0; - ioc_state = mpt2sas_base_get_iocstate(ioc, 1); - while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) { - if (wait_state_count++ == 10) { - printk(MPT2SAS_ERR_FMT - "%s: failed due to ioc not operational\n", - ioc->name, __func__); - ret = -EFAULT; - goto out; - } - ssleep(1); - ioc_state = mpt2sas_base_get_iocstate(ioc, 1); - printk(MPT2SAS_INFO_FMT "%s: waiting for " - "operational state(count=%d)\n", ioc->name, - __func__, wait_state_count); - } - if (wait_state_count) - printk(MPT2SAS_INFO_FMT "%s: ioc is operational\n", - ioc->name, __func__); - - mpi_request = kzalloc(ioc->request_sz, GFP_KERNEL); - if (!mpi_request) { - printk(MPT2SAS_ERR_FMT "%s: failed obtaining a memory for " - "mpi_request\n", ioc->name, __func__); - ret = -ENOMEM; - goto out; - } - - /* Check for overflow and wraparound */ - if (karg.data_sge_offset * 4 > ioc->request_sz || - karg.data_sge_offset > (UINT_MAX / 4)) { - ret = -EINVAL; - goto out; - } - - /* copy in request message frame from user */ - if (copy_from_user(mpi_request, mf, karg.data_sge_offset*4)) { - printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__, __LINE__, - __func__); - ret = -EFAULT; - goto out; - } - - if (mpi_request->Function == MPI2_FUNCTION_SCSI_TASK_MGMT) { - smid = mpt2sas_base_get_smid_hpr(ioc, ioc->ctl_cb_idx); - if (!smid) { - printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", - ioc->name, __func__); - ret = -EAGAIN; - goto out; - } - } else { - - smid = mpt2sas_base_get_smid_scsiio(ioc, ioc->ctl_cb_idx, NULL); - if (!smid) { - printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", - ioc->name, __func__); - ret = -EAGAIN; - goto out; - } - } - - ret = 0; - ioc->ctl_cmds.status = MPT2_CMD_PENDING; - memset(ioc->ctl_cmds.reply, 0, ioc->reply_sz); - request = mpt2sas_base_get_msg_frame(ioc, smid); - 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) { - ret = -EINVAL; - mpt2sas_base_free_smid(ioc, smid); - goto out; - } - } - - /* 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); - if (!data_out) { - printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__, - __LINE__, __func__); - ret = -ENOMEM; - mpt2sas_base_free_smid(ioc, smid); - goto out; - } - if (copy_from_user(data_out, karg.data_out_buf_ptr, - data_out_sz)) { - printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__, - __LINE__, __func__); - ret = -EFAULT; - mpt2sas_base_free_smid(ioc, smid); - goto out; - } - } - - if (data_in_sz) /* READ */ { - data_in = pci_alloc_consistent(ioc->pdev, data_in_sz, - &data_in_dma); - if (!data_in) { - printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__, - __LINE__, __func__); - ret = -ENOMEM; - mpt2sas_base_free_smid(ioc, smid); - goto out; - } - } - - /* add scatter gather elements */ - psge = (void *)request + (karg.data_sge_offset*4); - - if (!data_out_sz && !data_in_sz) { - mpt2sas_base_build_zero_len_sge(ioc, psge); - } else if (data_out_sz && data_in_sz) { - /* WRITE sgel first */ - sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT | - MPI2_SGE_FLAGS_END_OF_BUFFER | MPI2_SGE_FLAGS_HOST_TO_IOC); - sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT; - ioc->base_add_sg_single(psge, sgl_flags | - data_out_sz, data_out_dma); - - /* incr sgel */ - psge += ioc->sge_size; - - /* READ sgel last */ - sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT | - MPI2_SGE_FLAGS_LAST_ELEMENT | MPI2_SGE_FLAGS_END_OF_BUFFER | - MPI2_SGE_FLAGS_END_OF_LIST); - sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT; - ioc->base_add_sg_single(psge, sgl_flags | - data_in_sz, data_in_dma); - } else if (data_out_sz) /* WRITE */ { - sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT | - MPI2_SGE_FLAGS_LAST_ELEMENT | MPI2_SGE_FLAGS_END_OF_BUFFER | - MPI2_SGE_FLAGS_END_OF_LIST | MPI2_SGE_FLAGS_HOST_TO_IOC); - sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT; - ioc->base_add_sg_single(psge, sgl_flags | - data_out_sz, data_out_dma); - } else if (data_in_sz) /* READ */ { - sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT | - MPI2_SGE_FLAGS_LAST_ELEMENT | MPI2_SGE_FLAGS_END_OF_BUFFER | - MPI2_SGE_FLAGS_END_OF_LIST); - sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT; - ioc->base_add_sg_single(psge, sgl_flags | - data_in_sz, data_in_dma); - } - - /* send command to firmware */ -#ifdef CONFIG_SCSI_MPT2SAS_LOGGING - _ctl_display_some_debug(ioc, smid, "ctl_request", NULL); -#endif - - init_completion(&ioc->ctl_cmds.done); - switch (mpi_request->Function) { - case MPI2_FUNCTION_SCSI_IO_REQUEST: - case MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH: - { - Mpi2SCSIIORequest_t *scsiio_request = - (Mpi2SCSIIORequest_t *)request; - scsiio_request->SenseBufferLength = SCSI_SENSE_BUFFERSIZE; - scsiio_request->SenseBufferLowAddress = - mpt2sas_base_get_sense_buffer_dma(ioc, smid); - memset(ioc->ctl_cmds.sense, 0, SCSI_SENSE_BUFFERSIZE); - if (mpi_request->Function == MPI2_FUNCTION_SCSI_IO_REQUEST) - mpt2sas_base_put_smid_scsi_io(ioc, smid, - le16_to_cpu(mpi_request->FunctionDependent1)); - else - mpt2sas_base_put_smid_default(ioc, smid); - break; - } - case MPI2_FUNCTION_SCSI_TASK_MGMT: - { - Mpi2SCSITaskManagementRequest_t *tm_request = - (Mpi2SCSITaskManagementRequest_t *)request; - - dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "TASK_MGMT: " - "handle(0x%04x), task_type(0x%02x)\n", ioc->name, - le16_to_cpu(tm_request->DevHandle), tm_request->TaskType)); - - 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)) { - mpt2sas_base_free_smid(ioc, smid); - goto out; - } - } - - mpt2sas_scsih_set_tm_flag(ioc, le16_to_cpu( - tm_request->DevHandle)); - mpt2sas_base_put_smid_hi_priority(ioc, smid); - break; - } - case MPI2_FUNCTION_SMP_PASSTHROUGH: - { - Mpi2SmpPassthroughRequest_t *smp_request = - (Mpi2SmpPassthroughRequest_t *)mpi_request; - u8 *data; - - /* 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; - else { - if (unlikely(data_out == NULL)) { - printk(KERN_ERR "failure at %s:%d/%s()!\n", - __FILE__, __LINE__, __func__); - mpt2sas_base_free_smid(ioc, smid); - ret = -EINVAL; - goto out; - } - data = data_out; - } - - if (data[1] == 0x91 && (data[10] == 1 || data[10] == 2)) { - ioc->ioc_link_reset_in_progress = 1; - ioc->ignore_loginfos = 1; - } - mpt2sas_base_put_smid_default(ioc, smid); - break; - } - case MPI2_FUNCTION_SAS_IO_UNIT_CONTROL: - { - Mpi2SasIoUnitControlRequest_t *sasiounit_request = - (Mpi2SasIoUnitControlRequest_t *)mpi_request; - - if (sasiounit_request->Operation == MPI2_SAS_OP_PHY_HARD_RESET - || sasiounit_request->Operation == - MPI2_SAS_OP_PHY_LINK_RESET) { - ioc->ioc_link_reset_in_progress = 1; - ioc->ignore_loginfos = 1; - } - mpt2sas_base_put_smid_default(ioc, smid); - break; - } - default: - mpt2sas_base_put_smid_default(ioc, smid); - break; - } - - if (karg.timeout < MPT2_IOCTL_DEFAULT_TIMEOUT) - timeout = MPT2_IOCTL_DEFAULT_TIMEOUT; - else - timeout = karg.timeout; - timeleft = 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; - mpt2sas_scsih_clear_tm_flag(ioc, le16_to_cpu( - tm_request->DevHandle)); - } else if ((mpi_request->Function == MPI2_FUNCTION_SMP_PASSTHROUGH || - mpi_request->Function == MPI2_FUNCTION_SAS_IO_UNIT_CONTROL) && - ioc->ioc_link_reset_in_progress) { - ioc->ioc_link_reset_in_progress = 0; - ioc->ignore_loginfos = 0; - } - if (!(ioc->ctl_cmds.status & MPT2_CMD_COMPLETE)) { - printk(MPT2SAS_ERR_FMT "%s: timeout\n", ioc->name, - __func__); - _debug_dump_mf(mpi_request, karg.data_sge_offset); - if (!(ioc->ctl_cmds.status & MPT2_CMD_RESET)) - issue_reset = 1; - goto issue_host_reset; - } - - mpi_reply = ioc->ctl_cmds.reply; - ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & MPI2_IOCSTATUS_MASK; - -#ifdef CONFIG_SCSI_MPT2SAS_LOGGING - if (mpi_reply->Function == MPI2_FUNCTION_SCSI_TASK_MGMT && - (ioc->logging_level & MPT_DEBUG_TM)) { - Mpi2SCSITaskManagementReply_t *tm_reply = - (Mpi2SCSITaskManagementReply_t *)mpi_reply; - - printk(MPT2SAS_INFO_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)); - } -#endif - /* copy out xdata to user */ - if (data_in_sz) { - if (copy_to_user(karg.data_in_buf_ptr, data_in, - data_in_sz)) { - printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__, - __LINE__, __func__); - ret = -ENODATA; - goto out; - } - } - - /* copy out reply message frame to user */ - if (karg.max_reply_bytes) { - sz = min_t(u32, karg.max_reply_bytes, ioc->reply_sz); - if (copy_to_user(karg.reply_frame_buf_ptr, ioc->ctl_cmds.reply, - sz)) { - printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__, - __LINE__, __func__); - ret = -ENODATA; - goto out; - } - } - - /* copy out sense 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); - if (copy_to_user(karg.sense_data_ptr, - ioc->ctl_cmds.sense, sz)) { - printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__, - __LINE__, __func__); - ret = -ENODATA; - goto out; - } - } - - issue_host_reset: - if (issue_reset) { - ret = -ENODATA; - if ((mpi_request->Function == MPI2_FUNCTION_SCSI_IO_REQUEST || - mpi_request->Function == - MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH || - mpi_request->Function == MPI2_FUNCTION_SATA_PASSTHROUGH)) { - printk(MPT2SAS_INFO_FMT "issue target reset: handle " - "= (0x%04x)\n", ioc->name, - le16_to_cpu(mpi_request->FunctionDependent1)); - mpt2sas_halt_firmware(ioc); - mpt2sas_scsih_issue_tm(ioc, - le16_to_cpu(mpi_request->FunctionDependent1), 0, 0, - 0, MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET, 0, 10, - TM_MUTEX_ON); - ioc->tm_cmds.status = MPT2_CMD_NOT_USED; - } else - mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, - FORCE_BIG_HAMMER); - } - - out: - - /* free memory associated with sg buffers */ - if (data_in) - pci_free_consistent(ioc->pdev, data_in_sz, data_in, - data_in_dma); - - if (data_out) - pci_free_consistent(ioc->pdev, data_out_sz, data_out, - data_out_dma); - - kfree(mpi_request); - ioc->ctl_cmds.status = MPT2_CMD_NOT_USED; - return ret; -} - -/** - * _ctl_getiocinfo - main handler for MPT2IOCINFO opcode - * @ioc: per adapter object - * @arg - user space buffer containing ioctl content - */ -static long -_ctl_getiocinfo(struct MPT2SAS_ADAPTER *ioc, void __user *arg) -{ - struct mpt2_ioctl_iocinfo karg; - - if (copy_from_user(&karg, arg, sizeof(karg))) { - printk(KERN_ERR "failure at %s:%d/%s()!\n", - __FILE__, __LINE__, __func__); - return -EFAULT; - } - - dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: enter\n", ioc->name, - __func__)); - - memset(&karg, 0 , sizeof(karg)); - if (ioc->is_warpdrive) - karg.adapter_type = MPT2_IOCTL_INTERFACE_SAS2_SSS6200; - else - karg.adapter_type = MPT2_IOCTL_INTERFACE_SAS2; - if (ioc->pfacts) - karg.port_number = ioc->pfacts[0].PortNumber; - karg.hw_rev = ioc->pdev->revision; - karg.pci_id = ioc->pdev->device; - karg.subsystem_device = ioc->pdev->subsystem_device; - karg.subsystem_vendor = ioc->pdev->subsystem_vendor; - karg.pci_information.u.bits.bus = ioc->pdev->bus->number; - karg.pci_information.u.bits.device = PCI_SLOT(ioc->pdev->devfn); - 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, MPT2SAS_DRIVER_NAME); - strcat(karg.driver_version, "-"); - strcat(karg.driver_version, MPT2SAS_DRIVER_VERSION); - karg.bios_version = le32_to_cpu(ioc->bios_pg3.BiosVersion); - - if (copy_to_user(arg, &karg, sizeof(karg))) { - printk(KERN_ERR "failure at %s:%d/%s()!\n", - __FILE__, __LINE__, __func__); - return -EFAULT; - } - return 0; -} - -/** - * _ctl_eventquery - main handler for MPT2EVENTQUERY opcode - * @ioc: per adapter object - * @arg - user space buffer containing ioctl content - */ -static long -_ctl_eventquery(struct MPT2SAS_ADAPTER *ioc, void __user *arg) -{ - struct mpt2_ioctl_eventquery karg; - - if (copy_from_user(&karg, arg, sizeof(karg))) { - printk(KERN_ERR "failure at %s:%d/%s()!\n", - __FILE__, __LINE__, __func__); - return -EFAULT; - } - - dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: enter\n", ioc->name, - __func__)); - - karg.event_entries = MPT2SAS_CTL_EVENT_LOG_SIZE; - memcpy(karg.event_types, ioc->event_type, - MPI2_EVENT_NOTIFY_EVENTMASK_WORDS * sizeof(u32)); - - if (copy_to_user(arg, &karg, sizeof(karg))) { - printk(KERN_ERR "failure at %s:%d/%s()!\n", - __FILE__, __LINE__, __func__); - return -EFAULT; - } - return 0; -} - -/** - * _ctl_eventenable |