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- /*
- * This is the Fusion MPT base driver providing common API layer interface
- * for access to MPT (Message Passing Technology) firmware.
- *
- * This code is based on drivers/scsi/mpt3sas/mpt3sas_base.c
- * 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
- * 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/kdev_t.h>
- #include <linux/blkdev.h>
- #include <linux/delay.h>
- #include <linux/interrupt.h>
- #include <linux/dma-mapping.h>
- #include <linux/io.h>
- #include <linux/time.h>
- #include <linux/ktime.h>
- #include <linux/kthread.h>
- #include <linux/aer.h>
- #include "mpt3sas_base.h"
- static MPT_CALLBACK mpt_callbacks[MPT_MAX_CALLBACKS];
- #define FAULT_POLLING_INTERVAL 1000 /* in milliseconds */
- /* maximum controller queue depth */
- #define MAX_HBA_QUEUE_DEPTH 30000
- #define MAX_CHAIN_DEPTH 100000
- static int max_queue_depth = -1;
- module_param(max_queue_depth, int, 0);
- MODULE_PARM_DESC(max_queue_depth, " max controller queue depth ");
- static int max_sgl_entries = -1;
- module_param(max_sgl_entries, int, 0);
- MODULE_PARM_DESC(max_sgl_entries, " max sg entries ");
- static int msix_disable = -1;
- module_param(msix_disable, int, 0);
- MODULE_PARM_DESC(msix_disable, " disable msix routed interrupts (default=0)");
- static int smp_affinity_enable = 1;
- module_param(smp_affinity_enable, int, S_IRUGO);
- MODULE_PARM_DESC(smp_affinity_enable, "SMP affinity feature enable/disbale Default: enable(1)");
- static int max_msix_vectors = -1;
- module_param(max_msix_vectors, int, 0);
- MODULE_PARM_DESC(max_msix_vectors,
- " max msix vectors");
- static int mpt3sas_fwfault_debug;
- MODULE_PARM_DESC(mpt3sas_fwfault_debug,
- " enable detection of firmware fault and halt firmware - (default=0)");
- static int
- _base_get_ioc_facts(struct MPT3SAS_ADAPTER *ioc);
- /**
- * _scsih_set_fwfault_debug - global setting of ioc->fwfault_debug.
- *
- */
- static int
- _scsih_set_fwfault_debug(const char *val, struct kernel_param *kp)
- {
- int ret = param_set_int(val, kp);
- struct MPT3SAS_ADAPTER *ioc;
- if (ret)
- return ret;
- /* global ioc spinlock to protect controller list on list operations */
- pr_info("setting fwfault_debug(%d)\n", mpt3sas_fwfault_debug);
- spin_lock(&gioc_lock);
- list_for_each_entry(ioc, &mpt3sas_ioc_list, list)
- ioc->fwfault_debug = mpt3sas_fwfault_debug;
- spin_unlock(&gioc_lock);
- return 0;
- }
- module_param_call(mpt3sas_fwfault_debug, _scsih_set_fwfault_debug,
- param_get_int, &mpt3sas_fwfault_debug, 0644);
- /**
- * mpt3sas_remove_dead_ioc_func - kthread context to remove dead ioc
- * @arg: input argument, used to derive ioc
- *
- * Return 0 if controller is removed from pci subsystem.
- * Return -1 for other case.
- */
- static int mpt3sas_remove_dead_ioc_func(void *arg)
- {
- struct MPT3SAS_ADAPTER *ioc = (struct MPT3SAS_ADAPTER *)arg;
- struct pci_dev *pdev;
- if ((ioc == NULL))
- return -1;
- pdev = ioc->pdev;
- if ((pdev == NULL))
- return -1;
- pci_stop_and_remove_bus_device_locked(pdev);
- return 0;
- }
- /**
- * _base_fault_reset_work - workq handling ioc fault conditions
- * @work: input argument, used to derive ioc
- * Context: sleep.
- *
- * Return nothing.
- */
- static void
- _base_fault_reset_work(struct work_struct *work)
- {
- struct MPT3SAS_ADAPTER *ioc =
- container_of(work, struct MPT3SAS_ADAPTER, fault_reset_work.work);
- unsigned long flags;
- u32 doorbell;
- int rc;
- struct task_struct *p;
- spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags);
- if (ioc->shost_recovery || ioc->pci_error_recovery)
- goto rearm_timer;
- spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags);
- doorbell = mpt3sas_base_get_iocstate(ioc, 0);
- if ((doorbell & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_MASK) {
- pr_err(MPT3SAS_FMT "SAS host is non-operational !!!!\n",
- ioc->name);
- /* It may be possible that EEH recovery can resolve some of
- * pci bus failure issues rather removing the dead ioc function
- * by considering controller is in a non-operational state. So
- * here priority is given to the EEH recovery. If it doesn't
- * not resolve this issue, mpt3sas driver will consider this
- * controller to non-operational state and remove the dead ioc
- * function.
- */
- if (ioc->non_operational_loop++ < 5) {
- spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock,
- flags);
- goto rearm_timer;
- }
- /*
- * Call _scsih_flush_pending_cmds callback so that we flush all
- * pending commands back to OS. This call is required to aovid
- * deadlock at block layer. Dead IOC will fail to do diag reset,
- * and this call is safe since dead ioc will never return any
- * command back from HW.
- */
- ioc->schedule_dead_ioc_flush_running_cmds(ioc);
- /*
- * Set remove_host flag early since kernel thread will
- * take some time to execute.
- */
- ioc->remove_host = 1;
- /*Remove the Dead Host */
- p = kthread_run(mpt3sas_remove_dead_ioc_func, ioc,
- "%s_dead_ioc_%d", ioc->driver_name, ioc->id);
- if (IS_ERR(p))
- pr_err(MPT3SAS_FMT
- "%s: Running mpt3sas_dead_ioc thread failed !!!!\n",
- ioc->name, __func__);
- else
- pr_err(MPT3SAS_FMT
- "%s: Running mpt3sas_dead_ioc thread success !!!!\n",
- ioc->name, __func__);
- return; /* don't rearm timer */
- }
- ioc->non_operational_loop = 0;
- if ((doorbell & MPI2_IOC_STATE_MASK) != MPI2_IOC_STATE_OPERATIONAL) {
- rc = mpt3sas_base_hard_reset_handler(ioc, FORCE_BIG_HAMMER);
- pr_warn(MPT3SAS_FMT "%s: hard reset: %s\n", ioc->name,
- __func__, (rc == 0) ? "success" : "failed");
- doorbell = mpt3sas_base_get_iocstate(ioc, 0);
- if ((doorbell & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT)
- mpt3sas_base_fault_info(ioc, doorbell &
- MPI2_DOORBELL_DATA_MASK);
- if (rc && (doorbell & MPI2_IOC_STATE_MASK) !=
- MPI2_IOC_STATE_OPERATIONAL)
- return; /* don't rearm timer */
- }
- spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags);
- rearm_timer:
- if (ioc->fault_reset_work_q)
- queue_delayed_work(ioc->fault_reset_work_q,
- &ioc->fault_reset_work,
- msecs_to_jiffies(FAULT_POLLING_INTERVAL));
- spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags);
- }
- /**
- * mpt3sas_base_start_watchdog - start the fault_reset_work_q
- * @ioc: per adapter object
- * Context: sleep.
- *
- * Return nothing.
- */
- void
- mpt3sas_base_start_watchdog(struct MPT3SAS_ADAPTER *ioc)
- {
- unsigned long flags;
- if (ioc->fault_reset_work_q)
- return;
- /* initialize fault polling */
- INIT_DELAYED_WORK(&ioc->fault_reset_work, _base_fault_reset_work);
- snprintf(ioc->fault_reset_work_q_name,
- sizeof(ioc->fault_reset_work_q_name), "poll_%s%d_status",
- ioc->driver_name, ioc->id);
- ioc->fault_reset_work_q =
- create_singlethread_workqueue(ioc->fault_reset_work_q_name);
- if (!ioc->fault_reset_work_q) {
- pr_err(MPT3SAS_FMT "%s: failed (line=%d)\n",
- ioc->name, __func__, __LINE__);
- return;
- }
- spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags);
- if (ioc->fault_reset_work_q)
- queue_delayed_work(ioc->fault_reset_work_q,
- &ioc->fault_reset_work,
- msecs_to_jiffies(FAULT_POLLING_INTERVAL));
- spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags);
- }
- /**
- * mpt3sas_base_stop_watchdog - stop the fault_reset_work_q
- * @ioc: per adapter object
- * Context: sleep.
- *
- * Return nothing.
- */
- void
- mpt3sas_base_stop_watchdog(struct MPT3SAS_ADAPTER *ioc)
- {
- unsigned long flags;
- struct workqueue_struct *wq;
- spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags);
- wq = ioc->fault_reset_work_q;
- ioc->fault_reset_work_q = NULL;
- spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags);
- if (wq) {
- if (!cancel_delayed_work_sync(&ioc->fault_reset_work))
- flush_workqueue(wq);
- destroy_workqueue(wq);
- }
- }
- /**
- * mpt3sas_base_fault_info - verbose translation of firmware FAULT code
- * @ioc: per adapter object
- * @fault_code: fault code
- *
- * Return nothing.
- */
- void
- mpt3sas_base_fault_info(struct MPT3SAS_ADAPTER *ioc , u16 fault_code)
- {
- pr_err(MPT3SAS_FMT "fault_state(0x%04x)!\n",
- ioc->name, fault_code);
- }
- /**
- * mpt3sas_halt_firmware - halt's mpt controller firmware
- * @ioc: per adapter object
- *
- * For debugging timeout related issues. Writing 0xCOFFEE00
- * to the doorbell register will halt controller firmware. With
- * the purpose to stop both driver and firmware, the enduser can
- * obtain a ring buffer from controller UART.
- */
- void
- mpt3sas_halt_firmware(struct MPT3SAS_ADAPTER *ioc)
- {
- u32 doorbell;
- if (!ioc->fwfault_debug)
- return;
- dump_stack();
- doorbell = readl(&ioc->chip->Doorbell);
- if ((doorbell & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT)
- mpt3sas_base_fault_info(ioc , doorbell);
- else {
- writel(0xC0FFEE00, &ioc->chip->Doorbell);
- pr_err(MPT3SAS_FMT "Firmware is halted due to command timeout\n",
- ioc->name);
- }
- if (ioc->fwfault_debug == 2)
- for (;;)
- ;
- else
- panic("panic in %s\n", __func__);
- }
- /**
- * _base_sas_ioc_info - verbose translation of the ioc status
- * @ioc: per adapter object
- * @mpi_reply: reply mf payload returned from firmware
- * @request_hdr: request mf
- *
- * Return nothing.
- */
- static void
- _base_sas_ioc_info(struct MPT3SAS_ADAPTER *ioc, MPI2DefaultReply_t *mpi_reply,
- MPI2RequestHeader_t *request_hdr)
- {
- u16 ioc_status = le16_to_cpu(mpi_reply->IOCStatus) &
- MPI2_IOCSTATUS_MASK;
- char *desc = NULL;
- u16 frame_sz;
- char *func_str = NULL;
- /* SCSI_IO, RAID_PASS are handled from _scsih_scsi_ioc_info */
- if (request_hdr->Function == MPI2_FUNCTION_SCSI_IO_REQUEST ||
- request_hdr->Function == MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH ||
- request_hdr->Function == MPI2_FUNCTION_EVENT_NOTIFICATION)
- return;
- if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE)
- return;
- switch (ioc_status) {
- /****************************************************************************
- * Common IOCStatus values for all replies
- ****************************************************************************/
- case MPI2_IOCSTATUS_INVALID_FUNCTION:
- desc = "invalid function";
- break;
- case MPI2_IOCSTATUS_BUSY:
- desc = "busy";
- break;
- case MPI2_IOCSTATUS_INVALID_SGL:
- desc = "invalid sgl";
- break;
- case MPI2_IOCSTATUS_INTERNAL_ERROR:
- desc = "internal error";
- break;
- case MPI2_IOCSTATUS_INVALID_VPID:
- desc = "invalid vpid";
- break;
- case MPI2_IOCSTATUS_INSUFFICIENT_RESOURCES:
- desc = "insufficient resources";
- break;
- case MPI2_IOCSTATUS_INSUFFICIENT_POWER:
- desc = "insufficient power";
- break;
- case MPI2_IOCSTATUS_INVALID_FIELD:
- desc = "invalid field";
- break;
- case MPI2_IOCSTATUS_INVALID_STATE:
- desc = "invalid state";
- break;
- case MPI2_IOCSTATUS_OP_STATE_NOT_SUPPORTED:
- desc = "op state not supported";
- break;
- /****************************************************************************
- * Config IOCStatus values
- ****************************************************************************/
- case MPI2_IOCSTATUS_CONFIG_INVALID_ACTION:
- desc = "config invalid action";
- break;
- case MPI2_IOCSTATUS_CONFIG_INVALID_TYPE:
- desc = "config invalid type";
- break;
- case MPI2_IOCSTATUS_CONFIG_INVALID_PAGE:
- desc = "config invalid page";
- break;
- case MPI2_IOCSTATUS_CONFIG_INVALID_DATA:
- desc = "config invalid data";
- break;
- case MPI2_IOCSTATUS_CONFIG_NO_DEFAULTS:
- desc = "config no defaults";
- break;
- case MPI2_IOCSTATUS_CONFIG_CANT_COMMIT:
- desc = "config cant commit";
- break;
- /****************************************************************************
- * SCSI IO Reply
- ****************************************************************************/
- case MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR:
- case MPI2_IOCSTATUS_SCSI_INVALID_DEVHANDLE:
- case MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE:
- case MPI2_IOCSTATUS_SCSI_DATA_OVERRUN:
- case MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN:
- case MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR:
- case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR:
- case MPI2_IOCSTATUS_SCSI_TASK_TERMINATED:
- case MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH:
- case MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED:
- case MPI2_IOCSTATUS_SCSI_IOC_TERMINATED:
- case MPI2_IOCSTATUS_SCSI_EXT_TERMINATED:
- break;
- /****************************************************************************
- * For use by SCSI Initiator and SCSI Target end-to-end data protection
- ****************************************************************************/
- case MPI2_IOCSTATUS_EEDP_GUARD_ERROR:
- desc = "eedp guard error";
- break;
- case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR:
- desc = "eedp ref tag error";
- break;
- case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR:
- desc = "eedp app tag error";
- break;
- /****************************************************************************
- * SCSI Target values
- ****************************************************************************/
- case MPI2_IOCSTATUS_TARGET_INVALID_IO_INDEX:
- desc = "target invalid io index";
- break;
- case MPI2_IOCSTATUS_TARGET_ABORTED:
- desc = "target aborted";
- break;
- case MPI2_IOCSTATUS_TARGET_NO_CONN_RETRYABLE:
- desc = "target no conn retryable";
- break;
- case MPI2_IOCSTATUS_TARGET_NO_CONNECTION:
- desc = "target no connection";
- break;
- case MPI2_IOCSTATUS_TARGET_XFER_COUNT_MISMATCH:
- desc = "target xfer count mismatch";
- break;
- case MPI2_IOCSTATUS_TARGET_DATA_OFFSET_ERROR:
- desc = "target data offset error";
- break;
- case MPI2_IOCSTATUS_TARGET_TOO_MUCH_WRITE_DATA:
- desc = "target too much write data";
- break;
- case MPI2_IOCSTATUS_TARGET_IU_TOO_SHORT:
- desc = "target iu too short";
- break;
- case MPI2_IOCSTATUS_TARGET_ACK_NAK_TIMEOUT:
- desc = "target ack nak timeout";
- break;
- case MPI2_IOCSTATUS_TARGET_NAK_RECEIVED:
- desc = "target nak received";
- break;
- /****************************************************************************
- * Serial Attached SCSI values
- ****************************************************************************/
- case MPI2_IOCSTATUS_SAS_SMP_REQUEST_FAILED:
- desc = "smp request failed";
- break;
- case MPI2_IOCSTATUS_SAS_SMP_DATA_OVERRUN:
- desc = "smp data overrun";
- break;
- /****************************************************************************
- * Diagnostic Buffer Post / Diagnostic Release values
- ****************************************************************************/
- case MPI2_IOCSTATUS_DIAGNOSTIC_RELEASED:
- desc = "diagnostic released";
- break;
- default:
- break;
- }
- if (!desc)
- return;
- switch (request_hdr->Function) {
- case MPI2_FUNCTION_CONFIG:
- frame_sz = sizeof(Mpi2ConfigRequest_t) + ioc->sge_size;
- func_str = "config_page";
- break;
- case MPI2_FUNCTION_SCSI_TASK_MGMT:
- frame_sz = sizeof(Mpi2SCSITaskManagementRequest_t);
- func_str = "task_mgmt";
- break;
- case MPI2_FUNCTION_SAS_IO_UNIT_CONTROL:
- frame_sz = sizeof(Mpi2SasIoUnitControlRequest_t);
- func_str = "sas_iounit_ctl";
- break;
- case MPI2_FUNCTION_SCSI_ENCLOSURE_PROCESSOR:
- frame_sz = sizeof(Mpi2SepRequest_t);
- func_str = "enclosure";
- break;
- case MPI2_FUNCTION_IOC_INIT:
- frame_sz = sizeof(Mpi2IOCInitRequest_t);
- func_str = "ioc_init";
- break;
- case MPI2_FUNCTION_PORT_ENABLE:
- frame_sz = sizeof(Mpi2PortEnableRequest_t);
- func_str = "port_enable";
- break;
- case MPI2_FUNCTION_SMP_PASSTHROUGH:
- frame_sz = sizeof(Mpi2SmpPassthroughRequest_t) + ioc->sge_size;
- func_str = "smp_passthru";
- break;
- default:
- frame_sz = 32;
- func_str = "unknown";
- break;
- }
- pr_warn(MPT3SAS_FMT "ioc_status: %s(0x%04x), request(0x%p),(%s)\n",
- ioc->name, desc, ioc_status, request_hdr, func_str);
- _debug_dump_mf(request_hdr, frame_sz/4);
- }
- /**
- * _base_display_event_data - verbose translation of firmware asyn events
- * @ioc: per adapter object
- * @mpi_reply: reply mf payload returned from firmware
- *
- * Return nothing.
- */
- static void
- _base_display_event_data(struct MPT3SAS_ADAPTER *ioc,
- Mpi2EventNotificationReply_t *mpi_reply)
- {
- char *desc = NULL;
- u16 event;
- if (!(ioc->logging_level & MPT_DEBUG_EVENTS))
- return;
- event = le16_to_cpu(mpi_reply->Event);
- switch (event) {
- case MPI2_EVENT_LOG_DATA:
- desc = "Log Data";
- break;
- case MPI2_EVENT_STATE_CHANGE:
- desc = "Status Change";
- break;
- case MPI2_EVENT_HARD_RESET_RECEIVED:
- desc = "Hard Reset Received";
- break;
- case MPI2_EVENT_EVENT_CHANGE:
- desc = "Event Change";
- break;
- case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE:
- desc = "Device Status Change";
- break;
- case MPI2_EVENT_IR_OPERATION_STATUS:
- if (!ioc->hide_ir_msg)
- desc = "IR Operation Status";
- break;
- case MPI2_EVENT_SAS_DISCOVERY:
- {
- Mpi2EventDataSasDiscovery_t *event_data =
- (Mpi2EventDataSasDiscovery_t *)mpi_reply->EventData;
- pr_info(MPT3SAS_FMT "Discovery: (%s)", ioc->name,
- (event_data->ReasonCode == MPI2_EVENT_SAS_DISC_RC_STARTED) ?
- "start" : "stop");
- if (event_data->DiscoveryStatus)
- pr_info("discovery_status(0x%08x)",
- le32_to_cpu(event_data->DiscoveryStatus));
- pr_info("\n");
- return;
- }
- case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE:
- desc = "SAS Broadcast Primitive";
- break;
- case MPI2_EVENT_SAS_INIT_DEVICE_STATUS_CHANGE:
- desc = "SAS Init Device Status Change";
- break;
- case MPI2_EVENT_SAS_INIT_TABLE_OVERFLOW:
- desc = "SAS Init Table Overflow";
- break;
- case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST:
- desc = "SAS Topology Change List";
- break;
- case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE:
- desc = "SAS Enclosure Device Status Change";
- break;
- case MPI2_EVENT_IR_VOLUME:
- if (!ioc->hide_ir_msg)
- desc = "IR Volume";
- break;
- case MPI2_EVENT_IR_PHYSICAL_DISK:
- if (!ioc->hide_ir_msg)
- desc = "IR Physical Disk";
- break;
- case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST:
- if (!ioc->hide_ir_msg)
- desc = "IR Configuration Change List";
- break;
- case MPI2_EVENT_LOG_ENTRY_ADDED:
- if (!ioc->hide_ir_msg)
- desc = "Log Entry Added";
- break;
- case MPI2_EVENT_TEMP_THRESHOLD:
- desc = "Temperature Threshold";
- break;
- case MPI2_EVENT_ACTIVE_CABLE_EXCEPTION:
- desc = "Active cable exception";
- break;
- }
- if (!desc)
- return;
- pr_info(MPT3SAS_FMT "%s\n", ioc->name, desc);
- }
- /**
- * _base_sas_log_info - verbose translation of firmware log info
- * @ioc: per adapter object
- * @log_info: log info
- *
- * Return nothing.
- */
- static void
- _base_sas_log_info(struct MPT3SAS_ADAPTER *ioc , u32 log_info)
- {
- union loginfo_type {
- u32 loginfo;
- struct {
- u32 subcode:16;
- u32 code:8;
- u32 originator:4;
- u32 bus_type:4;
- } dw;
- };
- union loginfo_type sas_loginfo;
- char *originator_str = NULL;
- sas_loginfo.loginfo = log_info;
- if (sas_loginfo.dw.bus_type != 3 /*SAS*/)
- return;
- /* each nexus loss loginfo */
- if (log_info == 0x31170000)
- return;
- /* eat the loginfos associated with task aborts */
- if (ioc->ignore_loginfos && (log_info == 0x30050000 || log_info ==
- 0x31140000 || log_info == 0x31130000))
- return;
- switch (sas_loginfo.dw.originator) {
- case 0:
- originator_str = "IOP";
- break;
- case 1:
- originator_str = "PL";
- break;
- case 2:
- if (!ioc->hide_ir_msg)
- originator_str = "IR";
- else
- originator_str = "WarpDrive";
- break;
- }
- pr_warn(MPT3SAS_FMT
- "log_info(0x%08x): originator(%s), code(0x%02x), sub_code(0x%04x)\n",
- ioc->name, log_info,
- originator_str, sas_loginfo.dw.code,
- sas_loginfo.dw.subcode);
- }
- /**
- * _base_display_reply_info -
- * @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)
- *
- * Return nothing.
- */
- static void
- _base_display_reply_info(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
- u32 reply)
- {
- MPI2DefaultReply_t *mpi_reply;
- u16 ioc_status;
- u32 loginfo = 0;
- mpi_reply = mpt3sas_base_get_reply_virt_addr(ioc, reply);
- if (unlikely(!mpi_reply)) {
- pr_err(MPT3SAS_FMT "mpi_reply not valid at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- return;
- }
- ioc_status = le16_to_cpu(mpi_reply->IOCStatus);
- if ((ioc_status & MPI2_IOCSTATUS_MASK) &&
- (ioc->logging_level & MPT_DEBUG_REPLY)) {
- _base_sas_ioc_info(ioc , mpi_reply,
- mpt3sas_base_get_msg_frame(ioc, smid));
- }
- if (ioc_status & MPI2_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE) {
- loginfo = le32_to_cpu(mpi_reply->IOCLogInfo);
- _base_sas_log_info(ioc, loginfo);
- }
- if (ioc_status || loginfo) {
- ioc_status &= MPI2_IOCSTATUS_MASK;
- mpt3sas_trigger_mpi(ioc, ioc_status, loginfo);
- }
- }
- /**
- * mpt3sas_base_done - base internal command 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)
- *
- * Return 1 meaning mf should be freed from _base_interrupt
- * 0 means the mf is freed from this function.
- */
- u8
- mpt3sas_base_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
- u32 reply)
- {
- MPI2DefaultReply_t *mpi_reply;
- mpi_reply = mpt3sas_base_get_reply_virt_addr(ioc, reply);
- if (mpi_reply && mpi_reply->Function == MPI2_FUNCTION_EVENT_ACK)
- return mpt3sas_check_for_pending_internal_cmds(ioc, smid);
- if (ioc->base_cmds.status == MPT3_CMD_NOT_USED)
- return 1;
- ioc->base_cmds.status |= MPT3_CMD_COMPLETE;
- if (mpi_reply) {
- ioc->base_cmds.status |= MPT3_CMD_REPLY_VALID;
- memcpy(ioc->base_cmds.reply, mpi_reply, mpi_reply->MsgLength*4);
- }
- ioc->base_cmds.status &= ~MPT3_CMD_PENDING;
- complete(&ioc->base_cmds.done);
- return 1;
- }
- /**
- * _base_async_event - main callback handler for firmware asyn events
- * @ioc: per adapter object
- * @msix_index: MSIX table index supplied by the OS
- * @reply: reply message frame(lower 32bit addr)
- *
- * Return 1 meaning mf should be freed from _base_interrupt
- * 0 means the mf is freed from this function.
- */
- static u8
- _base_async_event(struct MPT3SAS_ADAPTER *ioc, u8 msix_index, u32 reply)
- {
- Mpi2EventNotificationReply_t *mpi_reply;
- Mpi2EventAckRequest_t *ack_request;
- u16 smid;
- struct _event_ack_list *delayed_event_ack;
- mpi_reply = mpt3sas_base_get_reply_virt_addr(ioc, reply);
- if (!mpi_reply)
- return 1;
- if (mpi_reply->Function != MPI2_FUNCTION_EVENT_NOTIFICATION)
- return 1;
- _base_display_event_data(ioc, mpi_reply);
- if (!(mpi_reply->AckRequired & MPI2_EVENT_NOTIFICATION_ACK_REQUIRED))
- goto out;
- smid = mpt3sas_base_get_smid(ioc, ioc->base_cb_idx);
- if (!smid) {
- delayed_event_ack = kzalloc(sizeof(*delayed_event_ack),
- GFP_ATOMIC);
- if (!delayed_event_ack)
- goto out;
- INIT_LIST_HEAD(&delayed_event_ack->list);
- delayed_event_ack->Event = mpi_reply->Event;
- delayed_event_ack->EventContext = mpi_reply->EventContext;
- list_add_tail(&delayed_event_ack->list,
- &ioc->delayed_event_ack_list);
- dewtprintk(ioc, pr_info(MPT3SAS_FMT
- "DELAYED: EVENT ACK: event (0x%04x)\n",
- ioc->name, le16_to_cpu(mpi_reply->Event)));
- goto out;
- }
- ack_request = mpt3sas_base_get_msg_frame(ioc, smid);
- memset(ack_request, 0, sizeof(Mpi2EventAckRequest_t));
- ack_request->Function = MPI2_FUNCTION_EVENT_ACK;
- ack_request->Event = mpi_reply->Event;
- ack_request->EventContext = mpi_reply->EventContext;
- ack_request->VF_ID = 0; /* TODO */
- ack_request->VP_ID = 0;
- mpt3sas_base_put_smid_default(ioc, smid);
- out:
- /* scsih callback handler */
- mpt3sas_scsih_event_callback(ioc, msix_index, reply);
- /* ctl callback handler */
- mpt3sas_ctl_event_callback(ioc, msix_index, reply);
- return 1;
- }
- /**
- * _base_get_cb_idx - obtain the callback index
- * @ioc: per adapter object
- * @smid: system request message index
- *
- * Return callback index.
- */
- static u8
- _base_get_cb_idx(struct MPT3SAS_ADAPTER *ioc, u16 smid)
- {
- int i;
- u8 cb_idx;
- if (smid < ioc->hi_priority_smid) {
- i = smid - 1;
- cb_idx = ioc->scsi_lookup[i].cb_idx;
- } else if (smid < ioc->internal_smid) {
- i = smid - ioc->hi_priority_smid;
- cb_idx = ioc->hpr_lookup[i].cb_idx;
- } else if (smid <= ioc->hba_queue_depth) {
- i = smid - ioc->internal_smid;
- cb_idx = ioc->internal_lookup[i].cb_idx;
- } else
- cb_idx = 0xFF;
- return cb_idx;
- }
- /**
- * _base_mask_interrupts - disable interrupts
- * @ioc: per adapter object
- *
- * Disabling ResetIRQ, Reply and Doorbell Interrupts
- *
- * Return nothing.
- */
- static void
- _base_mask_interrupts(struct MPT3SAS_ADAPTER *ioc)
- {
- u32 him_register;
- ioc->mask_interrupts = 1;
- him_register = readl(&ioc->chip->HostInterruptMask);
- him_register |= MPI2_HIM_DIM + MPI2_HIM_RIM + MPI2_HIM_RESET_IRQ_MASK;
- writel(him_register, &ioc->chip->HostInterruptMask);
- readl(&ioc->chip->HostInterruptMask);
- }
- /**
- * _base_unmask_interrupts - enable interrupts
- * @ioc: per adapter object
- *
- * Enabling only Reply Interrupts
- *
- * Return nothing.
- */
- static void
- _base_unmask_interrupts(struct MPT3SAS_ADAPTER *ioc)
- {
- u32 him_register;
- him_register = readl(&ioc->chip->HostInterruptMask);
- him_register &= ~MPI2_HIM_RIM;
- writel(him_register, &ioc->chip->HostInterruptMask);
- ioc->mask_interrupts = 0;
- }
- union reply_descriptor {
- u64 word;
- struct {
- u32 low;
- u32 high;
- } u;
- };
- /**
- * _base_interrupt - MPT adapter (IOC) specific interrupt handler.
- * @irq: irq number (not used)
- * @bus_id: bus identifier cookie == pointer to MPT_ADAPTER structure
- * @r: pt_regs pointer (not used)
- *
- * Return IRQ_HANDLE if processed, else IRQ_NONE.
- */
- static irqreturn_t
- _base_interrupt(int irq, void *bus_id)
- {
- struct adapter_reply_queue *reply_q = bus_id;
- union reply_descriptor rd;
- u32 completed_cmds;
- u8 request_desript_type;
- u16 smid;
- u8 cb_idx;
- u32 reply;
- u8 msix_index = reply_q->msix_index;
- struct MPT3SAS_ADAPTER *ioc = reply_q->ioc;
- Mpi2ReplyDescriptorsUnion_t *rpf;
- u8 rc;
- if (ioc->mask_interrupts)
- return IRQ_NONE;
- if (!atomic_add_unless(&reply_q->busy, 1, 1))
- return IRQ_NONE;
- rpf = &reply_q->reply_post_free[reply_q->reply_post_host_index];
- request_desript_type = rpf->Default.ReplyFlags
- & MPI2_RPY_DESCRIPT_FLAGS_TYPE_MASK;
- if (request_desript_type == MPI2_RPY_DESCRIPT_FLAGS_UNUSED) {
- atomic_dec(&reply_q->busy);
- return IRQ_NONE;
- }
- completed_cmds = 0;
- cb_idx = 0xFF;
- do {
- rd.word = le64_to_cpu(rpf->Words);
- if (rd.u.low == UINT_MAX || rd.u.high == UINT_MAX)
- goto out;
- reply = 0;
- smid = le16_to_cpu(rpf->Default.DescriptorTypeDependent1);
- if (request_desript_type ==
- MPI25_RPY_DESCRIPT_FLAGS_FAST_PATH_SCSI_IO_SUCCESS ||
- request_desript_type ==
- MPI2_RPY_DESCRIPT_FLAGS_SCSI_IO_SUCCESS) {
- cb_idx = _base_get_cb_idx(ioc, smid);
- if ((likely(cb_idx < MPT_MAX_CALLBACKS)) &&
- (likely(mpt_callbacks[cb_idx] != NULL))) {
- rc = mpt_callbacks[cb_idx](ioc, smid,
- msix_index, 0);
- if (rc)
- mpt3sas_base_free_smid(ioc, smid);
- }
- } else if (request_desript_type ==
- MPI2_RPY_DESCRIPT_FLAGS_ADDRESS_REPLY) {
- reply = le32_to_cpu(
- rpf->AddressReply.ReplyFrameAddress);
- if (reply > ioc->reply_dma_max_address ||
- reply < ioc->reply_dma_min_address)
- reply = 0;
- if (smid) {
- cb_idx = _base_get_cb_idx(ioc, smid);
- if ((likely(cb_idx < MPT_MAX_CALLBACKS)) &&
- (likely(mpt_callbacks[cb_idx] != NULL))) {
- rc = mpt_callbacks[cb_idx](ioc, smid,
- msix_index, reply);
- if (reply)
- _base_display_reply_info(ioc,
- smid, msix_index, reply);
- if (rc)
- mpt3sas_base_free_smid(ioc,
- smid);
- }
- } else {
- _base_async_event(ioc, msix_index, reply);
- }
- /* reply free queue handling */
- if (reply) {
- ioc->reply_free_host_index =
- (ioc->reply_free_host_index ==
- (ioc->reply_free_queue_depth - 1)) ?
- 0 : ioc->reply_free_host_index + 1;
- ioc->reply_free[ioc->reply_free_host_index] =
- cpu_to_le32(reply);
- wmb();
- writel(ioc->reply_free_host_index,
- &ioc->chip->ReplyFreeHostIndex);
- }
- }
- rpf->Words = cpu_to_le64(ULLONG_MAX);
- reply_q->reply_post_host_index =
- (reply_q->reply_post_host_index ==
- (ioc->reply_post_queue_depth - 1)) ? 0 :
- reply_q->reply_post_host_index + 1;
- request_desript_type =
- reply_q->reply_post_free[reply_q->reply_post_host_index].
- Default.ReplyFlags & MPI2_RPY_DESCRIPT_FLAGS_TYPE_MASK;
- completed_cmds++;
- if (request_desript_type == MPI2_RPY_DESCRIPT_FLAGS_UNUSED)
- goto out;
- if (!reply_q->reply_post_host_index)
- rpf = reply_q->reply_post_free;
- else
- rpf++;
- } while (1);
- out:
- if (!completed_cmds) {
- atomic_dec(&reply_q->busy);
- return IRQ_NONE;
- }
- wmb();
- if (ioc->is_warpdrive) {
- writel(reply_q->reply_post_host_index,
- ioc->reply_post_host_index[msix_index]);
- atomic_dec(&reply_q->busy);
- return IRQ_HANDLED;
- }
- /* Update Reply Post Host Index.
- * For those HBA's which support combined reply queue feature
- * 1. Get the correct Supplemental Reply Post Host Index Register.
- * i.e. (msix_index / 8)th entry from Supplemental Reply Post Host
- * Index Register address bank i.e replyPostRegisterIndex[],
- * 2. Then update this register with new reply host index value
- * in ReplyPostIndex field and the MSIxIndex field with
- * msix_index value reduced to a value between 0 and 7,
- * using a modulo 8 operation. Since each Supplemental Reply Post
- * Host Index Register supports 8 MSI-X vectors.
- *
- * For other HBA's just update the Reply Post Host Index register with
- * new reply host index value in ReplyPostIndex Field and msix_index
- * value in MSIxIndex field.
- */
- if (ioc->msix96_vector)
- writel(reply_q->reply_post_host_index | ((msix_index & 7) <<
- MPI2_RPHI_MSIX_INDEX_SHIFT),
- ioc->replyPostRegisterIndex[msix_index/8]);
- else
- writel(reply_q->reply_post_host_index | (msix_index <<
- MPI2_RPHI_MSIX_INDEX_SHIFT),
- &ioc->chip->ReplyPostHostIndex);
- atomic_dec(&reply_q->busy);
- return IRQ_HANDLED;
- }
- /**
- * _base_is_controller_msix_enabled - is controller support muli-reply queues
- * @ioc: per adapter object
- *
- */
- static inline int
- _base_is_controller_msix_enabled(struct MPT3SAS_ADAPTER *ioc)
- {
- return (ioc->facts.IOCCapabilities &
- MPI2_IOCFACTS_CAPABILITY_MSI_X_INDEX) && ioc->msix_enable;
- }
- /**
- * mpt3sas_base_sync_reply_irqs - flush pending MSIX interrupts
- * @ioc: per adapter object
- * Context: non ISR conext
- *
- * Called when a Task Management request has completed.
- *
- * Return nothing.
- */
- void
- mpt3sas_base_sync_reply_irqs(struct MPT3SAS_ADAPTER *ioc)
- {
- struct adapter_reply_queue *reply_q;
- /* If MSIX capability is turned off
- * then multi-queues are not enabled
- */
- if (!_base_is_controller_msix_enabled(ioc))
- return;
- list_for_each_entry(reply_q, &ioc->reply_queue_list, list) {
- if (ioc->shost_recovery || ioc->remove_host ||
- ioc->pci_error_recovery)
- return;
- /* TMs are on msix_index == 0 */
- if (reply_q->msix_index == 0)
- continue;
- synchronize_irq(reply_q->vector);
- }
- }
- /**
- * mpt3sas_base_release_callback_handler - clear interrupt callback handler
- * @cb_idx: callback index
- *
- * Return nothing.
- */
- void
- mpt3sas_base_release_callback_handler(u8 cb_idx)
- {
- mpt_callbacks[cb_idx] = NULL;
- }
- /**
- * mpt3sas_base_register_callback_handler - obtain index for the interrupt callback handler
- * @cb_func: callback function
- *
- * Returns cb_func.
- */
- u8
- mpt3sas_base_register_callback_handler(MPT_CALLBACK cb_func)
- {
- u8 cb_idx;
- for (cb_idx = MPT_MAX_CALLBACKS-1; cb_idx; cb_idx--)
- if (mpt_callbacks[cb_idx] == NULL)
- break;
- mpt_callbacks[cb_idx] = cb_func;
- return cb_idx;
- }
- /**
- * mpt3sas_base_initialize_callback_handler - initialize the interrupt callback handler
- *
- * Return nothing.
- */
- void
- mpt3sas_base_initialize_callback_handler(void)
- {
- u8 cb_idx;
- for (cb_idx = 0; cb_idx < MPT_MAX_CALLBACKS; cb_idx++)
- mpt3sas_base_release_callback_handler(cb_idx);
- }
- /**
- * _base_build_zero_len_sge - build zero length sg entry
- * @ioc: per adapter object
- * @paddr: virtual address for SGE
- *
- * Create a zero length scatter gather entry to insure the IOCs hardware has
- * something to use if the target device goes brain dead and tries
- * to send data even when none is asked for.
- *
- * Return nothing.
- */
- static void
- _base_build_zero_len_sge(struct MPT3SAS_ADAPTER *ioc, void *paddr)
- {
- u32 flags_length = (u32)((MPI2_SGE_FLAGS_LAST_ELEMENT |
- MPI2_SGE_FLAGS_END_OF_BUFFER | MPI2_SGE_FLAGS_END_OF_LIST |
- MPI2_SGE_FLAGS_SIMPLE_ELEMENT) <<
- MPI2_SGE_FLAGS_SHIFT);
- ioc->base_add_sg_single(paddr, flags_length, -1);
- }
- /**
- * _base_add_sg_single_32 - Place a simple 32 bit SGE at address pAddr.
- * @paddr: virtual address for SGE
- * @flags_length: SGE flags and data transfer length
- * @dma_addr: Physical address
- *
- * Return nothing.
- */
- static void
- _base_add_sg_single_32(void *paddr, u32 flags_length, dma_addr_t dma_addr)
- {
- Mpi2SGESimple32_t *sgel = paddr;
- flags_length |= (MPI2_SGE_FLAGS_32_BIT_ADDRESSING |
- MPI2_SGE_FLAGS_SYSTEM_ADDRESS) << MPI2_SGE_FLAGS_SHIFT;
- sgel->FlagsLength = cpu_to_le32(flags_length);
- sgel->Address = cpu_to_le32(dma_addr);
- }
- /**
- * _base_add_sg_single_64 - Place a simple 64 bit SGE at address pAddr.
- * @paddr: virtual address for SGE
- * @flags_length: SGE flags and data transfer length
- * @dma_addr: Physical address
- *
- * Return nothing.
- */
- static void
- _base_add_sg_single_64(void *paddr, u32 flags_length, dma_addr_t dma_addr)
- {
- Mpi2SGESimple64_t *sgel = paddr;
- flags_length |= (MPI2_SGE_FLAGS_64_BIT_ADDRESSING |
- MPI2_SGE_FLAGS_SYSTEM_ADDRESS) << MPI2_SGE_FLAGS_SHIFT;
- sgel->FlagsLength = cpu_to_le32(flags_length);
- sgel->Address = cpu_to_le64(dma_addr);
- }
- /**
- * _base_get_chain_buffer_tracker - obtain chain tracker
- * @ioc: per adapter object
- * @smid: smid associated to an IO request
- *
- * Returns chain tracker(from ioc->free_chain_list)
- */
- static struct chain_tracker *
- _base_get_chain_buffer_tracker(struct MPT3SAS_ADAPTER *ioc, u16 smid)
- {
- struct chain_tracker *chain_req;
- unsigned long flags;
- spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
- if (list_empty(&ioc->free_chain_list)) {
- spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
- dfailprintk(ioc, pr_warn(MPT3SAS_FMT
- "chain buffers not available\n", ioc->name));
- return NULL;
- }
- chain_req = list_entry(ioc->free_chain_list.next,
- struct chain_tracker, tracker_list);
- list_del_init(&chain_req->tracker_list);
- list_add_tail(&chain_req->tracker_list,
- &ioc->scsi_lookup[smid - 1].chain_list);
- spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
- return chain_req;
- }
- /**
- * _base_build_sg - build generic sg
- * @ioc: per adapter object
- * @psge: virtual address for SGE
- * @data_out_dma: physical address for WRITES
- * @data_out_sz: data xfer size for WRITES
- * @data_in_dma: physical address for READS
- * @data_in_sz: data xfer size for READS
- *
- * Return nothing.
- */
- static void
- _base_build_sg(struct MPT3SAS_ADAPTER *ioc, void *psge,
- dma_addr_t data_out_dma, size_t data_out_sz, dma_addr_t data_in_dma,
- size_t data_in_sz)
- {
- u32 sgl_flags;
- if (!data_out_sz && !data_in_sz) {
- _base_build_zero_len_sge(ioc, psge);
- return;
- }
- 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);
- }
- }
- /* IEEE format sgls */
- /**
- * _base_add_sg_single_ieee - add sg element for IEEE format
- * @paddr: virtual address for SGE
- * @flags: SGE flags
- * @chain_offset: number of 128 byte elements from start of segment
- * @length: data transfer length
- * @dma_addr: Physical address
- *
- * Return nothing.
- */
- static void
- _base_add_sg_single_ieee(void *paddr, u8 flags, u8 chain_offset, u32 length,
- dma_addr_t dma_addr)
- {
- Mpi25IeeeSgeChain64_t *sgel = paddr;
- sgel->Flags = flags;
- sgel->NextChainOffset = chain_offset;
- sgel->Length = cpu_to_le32(length);
- sgel->Address = cpu_to_le64(dma_addr);
- }
- /**
- * _base_build_zero_len_sge_ieee - build zero length sg entry for IEEE format
- * @ioc: per adapter object
- * @paddr: virtual address for SGE
- *
- * Create a zero length scatter gather entry to insure the IOCs hardware has
- * something to use if the target device goes brain dead and tries
- * to send data even when none is asked for.
- *
- * Return nothing.
- */
- static void
- _base_build_zero_len_sge_ieee(struct MPT3SAS_ADAPTER *ioc, void *paddr)
- {
- u8 sgl_flags = (MPI2_IEEE_SGE_FLAGS_SIMPLE_ELEMENT |
- MPI2_IEEE_SGE_FLAGS_SYSTEM_ADDR |
- MPI25_IEEE_SGE_FLAGS_END_OF_LIST);
- _base_add_sg_single_ieee(paddr, sgl_flags, 0, 0, -1);
- }
- /**
- * _base_build_sg_scmd - main sg creation routine
- * @ioc: per adapter object
- * @scmd: scsi command
- * @smid: system request message index
- * Context: none.
- *
- * The main routine that builds scatter gather table from a given
- * scsi request sent via the .queuecommand main handler.
- *
- * Returns 0 success, anything else error
- */
- static int
- _base_build_sg_scmd(struct MPT3SAS_ADAPTER *ioc,
- struct scsi_cmnd *scmd, u16 smid)
- {
- Mpi2SCSIIORequest_t *mpi_request;
- dma_addr_t chain_dma;
- struct scatterlist *sg_scmd;
- void *sg_local, *chain;
- u32 chain_offset;
- u32 chain_length;
- u32 chain_flags;
- int sges_left;
- u32 sges_in_segment;
- u32 sgl_flags;
- u32 sgl_flags_last_element;
- u32 sgl_flags_end_buffer;
- struct chain_tracker *chain_req;
- mpi_request = mpt3sas_base_get_msg_frame(ioc, smid);
- /* init scatter gather flags */
- sgl_flags = MPI2_SGE_FLAGS_SIMPLE_ELEMENT;
- if (scmd->sc_data_direction == DMA_TO_DEVICE)
- sgl_flags |= MPI2_SGE_FLAGS_HOST_TO_IOC;
- sgl_flags_last_element = (sgl_flags | MPI2_SGE_FLAGS_LAST_ELEMENT)
- << MPI2_SGE_FLAGS_SHIFT;
- sgl_flags_end_buffer = (sgl_flags | MPI2_SGE_FLAGS_LAST_ELEMENT |
- MPI2_SGE_FLAGS_END_OF_BUFFER | MPI2_SGE_FLAGS_END_OF_LIST)
- << MPI2_SGE_FLAGS_SHIFT;
- sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT;
- sg_scmd = scsi_sglist(scmd);
- sges_left = scsi_dma_map(scmd);
- if (sges_left < 0) {
- sdev_printk(KERN_ERR, scmd->device,
- "pci_map_sg failed: request for %d bytes!\n",
- scsi_bufflen(scmd));
- return -ENOMEM;
- }
- sg_local = &mpi_request->SGL;
- sges_in_segment = ioc->max_sges_in_main_message;
- if (sges_left <= sges_in_segment)
- goto fill_in_last_segment;
- mpi_request->ChainOffset = (offsetof(Mpi2SCSIIORequest_t, SGL) +
- (sges_in_segment * ioc->sge_size))/4;
- /* fill in main message segment when there is a chain following */
- while (sges_in_segment) {
- if (sges_in_segment == 1)
- ioc->base_add_sg_single(sg_local,
- sgl_flags_last_element | sg_dma_len(sg_scmd),
- sg_dma_address(sg_scmd));
- else
- ioc->base_add_sg_single(sg_local, sgl_flags |
- sg_dma_len(sg_scmd), sg_dma_address(sg_scmd));
- sg_scmd = sg_next(sg_scmd);
- sg_local += ioc->sge_size;
- sges_left--;
- sges_in_segment--;
- }
- /* initializing the chain flags and pointers */
- chain_flags = MPI2_SGE_FLAGS_CHAIN_ELEMENT << MPI2_SGE_FLAGS_SHIFT;
- chain_req = _base_get_chain_buffer_tracker(ioc, smid);
- if (!chain_req)
- return -1;
- chain = chain_req->chain_buffer;
- chain_dma = chain_req->chain_buffer_dma;
- do {
- sges_in_segment = (sges_left <=
- ioc->max_sges_in_chain_message) ? sges_left :
- ioc->max_sges_in_chain_message;
- chain_offset = (sges_left == sges_in_segment) ?
- 0 : (sges_in_segment * ioc->sge_size)/4;
- chain_length = sges_in_segment * ioc->sge_size;
- if (chain_offset) {
- chain_offset = chain_offset <<
- MPI2_SGE_CHAIN_OFFSET_SHIFT;
- chain_length += ioc->sge_size;
- }
- ioc->base_add_sg_single(sg_local, chain_flags | chain_offset |
- chain_length, chain_dma);
- sg_local = chain;
- if (!chain_offset)
- goto fill_in_last_segment;
- /* fill in chain segments */
- while (sges_in_segment) {
- if (sges_in_segment == 1)
- ioc->base_add_sg_single(sg_local,
- sgl_flags_last_element |
- sg_dma_len(sg_scmd),
- sg_dma_address(sg_scmd));
- else
- ioc->base_add_sg_single(sg_local, sgl_flags |
- sg_dma_len(sg_scmd),
- sg_dma_address(sg_scmd));
- sg_scmd = sg_next(sg_scmd);
- sg_local += ioc->sge_size;
- sges_left--;
- sges_in_segment--;
- }
- chain_req = _base_get_chain_buffer_tracker(ioc, smid);
- if (!chain_req)
- return -1;
- chain = chain_req->chain_buffer;
- chain_dma = chain_req->chain_buffer_dma;
- } while (1);
- fill_in_last_segment:
- /* fill the last segment */
- while (sges_left) {
- if (sges_left == 1)
- ioc->base_add_sg_single(sg_local, sgl_flags_end_buffer |
- sg_dma_len(sg_scmd), sg_dma_address(sg_scmd));
- else
- ioc->base_add_sg_single(sg_local, sgl_flags |
- sg_dma_len(sg_scmd), sg_dma_address(sg_scmd));
- sg_scmd = sg_next(sg_scmd);
- sg_local += ioc->sge_size;
- sges_left--;
- }
- return 0;
- }
- /**
- * _base_build_sg_scmd_ieee - main sg creation routine for IEEE format
- * @ioc: per adapter object
- * @scmd: scsi command
- * @smid: system request message index
- * Context: none.
- *
- * The main routine that builds scatter gather table from a given
- * scsi request sent via the .queuecommand main handler.
- *
- * Returns 0 success, anything else error
- */
- static int
- _base_build_sg_scmd_ieee(struct MPT3SAS_ADAPTER *ioc,
- struct scsi_cmnd *scmd, u16 smid)
- {
- Mpi2SCSIIORequest_t *mpi_request;
- dma_addr_t chain_dma;
- struct scatterlist *sg_scmd;
- void *sg_local, *chain;
- u32 chain_offset;
- u32 chain_length;
- int sges_left;
- u32 sges_in_segment;
- u8 simple_sgl_flags;
- u8 simple_sgl_flags_last;
- u8 chain_sgl_flags;
- struct chain_tracker *chain_req;
- mpi_request = mpt3sas_base_get_msg_frame(ioc, smid);
- /* init scatter gather flags */
- simple_sgl_flags = MPI2_IEEE_SGE_FLAGS_SIMPLE_ELEMENT |
- MPI2_IEEE_SGE_FLAGS_SYSTEM_ADDR;
- simple_sgl_flags_last = simple_sgl_flags |
- MPI25_IEEE_SGE_FLAGS_END_OF_LIST;
- chain_sgl_flags = MPI2_IEEE_SGE_FLAGS_CHAIN_ELEMENT |
- MPI2_IEEE_SGE_FLAGS_SYSTEM_ADDR;
- sg_scmd = scsi_sglist(scmd);
- sges_left = scsi_dma_map(scmd);
- if (sges_left < 0) {
- sdev_printk(KERN_ERR, scmd->device,
- "pci_map_sg failed: request for %d bytes!\n",
- scsi_bufflen(scmd));
- return -ENOMEM;
- }
- sg_local = &mpi_request->SGL;
- sges_in_segment = (ioc->request_sz -
- offsetof(Mpi2SCSIIORequest_t, SGL))/ioc->sge_size_ieee;
- if (sges_left <= sges_in_segment)
- goto fill_in_last_segment;
- mpi_request->ChainOffset = (sges_in_segment - 1 /* chain element */) +
- (offsetof(Mpi2SCSIIORequest_t, SGL)/ioc->sge_size_ieee);
- /* fill in main message segment when there is a chain following */
- while (sges_in_segment > 1) {
- _base_add_sg_single_ieee(sg_local, simple_sgl_flags, 0,
- sg_dma_len(sg_scmd), sg_dma_address(sg_scmd));
- sg_scmd = sg_next(sg_scmd);
- sg_local += ioc->sge_size_ieee;
- sges_left--;
- sges_in_segment--;
- }
- /* initializing the pointers */
- chain_req = _base_get_chain_buffer_tracker(ioc, smid);
- if (!chain_req)
- return -1;
- chain = chain_req->chain_buffer;
- chain_dma = chain_req->chain_buffer_dma;
- do {
- sges_in_segment = (sges_left <=
- ioc->max_sges_in_chain_message) ? sges_left :
- ioc->max_sges_in_chain_message;
- chain_offset = (sges_left == sges_in_segment) ?
- 0 : sges_in_segment;
- chain_length = sges_in_segment * ioc->sge_size_ieee;
- if (chain_offset)
- chain_length += ioc->sge_size_ieee;
- _base_add_sg_single_ieee(sg_local, chain_sgl_flags,
- chain_offset, chain_length, chain_dma);
- sg_local = chain;
- if (!chain_offset)
- goto fill_in_last_segment;
- /* fill in chain segments */
- while (sges_in_segment) {
- _base_add_sg_single_ieee(sg_local, simple_sgl_flags, 0,
- sg_dma_len(sg_scmd), sg_dma_address(sg_scmd));
- sg_scmd = sg_next(sg_scmd);
- sg_local += ioc->sge_size_ieee;
- sges_left--;
- sges_in_segment--;
- }
- chain_req = _base_get_chain_buffer_tracker(ioc, smid);
- if (!chain_req)
- return -1;
- chain = chain_req->chain_buffer;
- chain_dma = chain_req->chain_buffer_dma;
- } while (1);
- fill_in_last_segment:
- /* fill the last segment */
- while (sges_left > 0) {
- if (sges_left == 1)
- _base_add_sg_single_ieee(sg_local,
- simple_sgl_flags_last, 0, sg_dma_len(sg_scmd),
- sg_dma_address(sg_scmd));
- else
- _base_add_sg_single_ieee(sg_local, simple_sgl_flags, 0,
- sg_dma_len(sg_scmd), sg_dma_address(sg_scmd));
- sg_scmd = sg_next(sg_scmd);
- sg_local += ioc->sge_size_ieee;
- sges_left--;
- }
- return 0;
- }
- /**
- * _base_build_sg_ieee - build generic sg for IEEE format
- * @ioc: per adapter object
- * @psge: virtual address for SGE
- * @data_out_dma: physical address for WRITES
- * @data_out_sz: data xfer size for WRITES
- * @data_in_dma: physical address for READS
- * @data_in_sz: data xfer size for READS
- *
- * Return nothing.
- */
- static void
- _base_build_sg_ieee(struct MPT3SAS_ADAPTER *ioc, void *psge,
- dma_addr_t data_out_dma, size_t data_out_sz, dma_addr_t data_in_dma,
- size_t data_in_sz)
- {
- u8 sgl_flags;
- if (!data_out_sz && !data_in_sz) {
- _base_build_zero_len_sge_ieee(ioc, psge);
- return;
- }
- if (data_out_sz && data_in_sz) {
- /* WRITE sgel first */
- sgl_flags = MPI2_IEEE_SGE_FLAGS_SIMPLE_ELEMENT |
- MPI2_IEEE_SGE_FLAGS_SYSTEM_ADDR;
- _base_add_sg_single_ieee(psge, sgl_flags, 0, data_out_sz,
- data_out_dma);
- /* incr sgel */
- psge += ioc->sge_size_ieee;
- /* READ sgel last */
- sgl_flags |= MPI25_IEEE_SGE_FLAGS_END_OF_LIST;
- _base_add_sg_single_ieee(psge, sgl_flags, 0, data_in_sz,
- data_in_dma);
- } else if (data_out_sz) /* WRITE */ {
- sgl_flags = MPI2_IEEE_SGE_FLAGS_SIMPLE_ELEMENT |
- MPI25_IEEE_SGE_FLAGS_END_OF_LIST |
- MPI2_IEEE_SGE_FLAGS_SYSTEM_ADDR;
- _base_add_sg_single_ieee(psge, sgl_flags, 0, data_out_sz,
- data_out_dma);
- } else if (data_in_sz) /* READ */ {
- sgl_flags = MPI2_IEEE_SGE_FLAGS_SIMPLE_ELEMENT |
- MPI25_IEEE_SGE_FLAGS_END_OF_LIST |
- MPI2_IEEE_SGE_FLAGS_SYSTEM_ADDR;
- _base_add_sg_single_ieee(psge, sgl_flags, 0, data_in_sz,
- data_in_dma);
- }
- }
- #define convert_to_kb(x) ((x) << (PAGE_SHIFT - 10))
- /**
- * _base_config_dma_addressing - set dma addressing
- * @ioc: per adapter object
- * @pdev: PCI device struct
- *
- * Returns 0 for success, non-zero for failure.
- */
- static int
- _base_config_dma_addressing(struct MPT3SAS_ADAPTER *ioc, struct pci_dev *pdev)
- {
- struct sysinfo s;
- u64 consistent_dma_mask;
- if (ioc->dma_mask)
- consistent_dma_mask = DMA_BIT_MASK(64);
- else
- consistent_dma_mask = DMA_BIT_MASK(32);
- if (sizeof(dma_addr_t) > 4) {
- const uint64_t required_mask =
- dma_get_required_mask(&pdev->dev);
- if ((required_mask > DMA_BIT_MASK(32)) &&
- !pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) &&
- !pci_set_consistent_dma_mask(pdev, consistent_dma_mask)) {
- ioc->base_add_sg_single = &_base_add_sg_single_64;
- ioc->sge_size = sizeof(Mpi2SGESimple64_t);
- ioc->dma_mask = 64;
- goto out;
- }
- }
- if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32))
- && !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32))) {
- ioc->base_add_sg_single = &_base_add_sg_single_32;
- ioc->sge_size = sizeof(Mpi2SGESimple32_t);
- ioc->dma_mask = 32;
- } else
- return -ENODEV;
- out:
- si_meminfo(&s);
- pr_info(MPT3SAS_FMT
- "%d BIT PCI BUS DMA ADDRESSING SUPPORTED, total mem (%ld kB)\n",
- ioc->name, ioc->dma_mask, convert_to_kb(s.totalram));
- return 0;
- }
- static int
- _base_change_consistent_dma_mask(struct MPT3SAS_ADAPTER *ioc,
- struct pci_dev *pdev)
- {
- if (pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64))) {
- if (pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)))
- return -ENODEV;
- }
- return 0;
- }
- /**
- * _base_check_enable_msix - checks MSIX capabable.
- * @ioc: per adapter object
- *
- * Check to see if card is capable of MSIX, and set number
- * of available msix vectors
- */
- static int
- _base_check_enable_msix(struct MPT3SAS_ADAPTER *ioc)
- {
- int base;
- u16 message_control;
- /* Check whether controller SAS2008 B0 controller,
- * if it is SAS2008 B0 controller use IO-APIC instead of MSIX
- */
- if (ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2008 &&
- ioc->pdev->revision == SAS2_PCI_DEVICE_B0_REVISION) {
- return -EINVAL;
- }
- base = pci_find_capability(ioc->pdev, PCI_CAP_ID_MSIX);
- if (!base) {
- dfailprintk(ioc, pr_info(MPT3SAS_FMT "msix not supported\n",
- ioc->name));
- return -EINVAL;
- }
- /* get msix vector count */
- /* NUMA_IO not supported for older controllers */
- if (ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2004 ||
- ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2008 ||
- ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2108_1 ||
- ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2108_2 ||
- ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2108_3 ||
- ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2116_1 ||
- ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2116_2)
- ioc->msix_vector_count = 1;
- else {
- pci_read_config_word(ioc->pdev, base + 2, &message_control);
- ioc->msix_vector_count = (message_control & 0x3FF) + 1;
- }
- dinitprintk(ioc, pr_info(MPT3SAS_FMT
- "msix is supported, vector_count(%d)\n",
- ioc->name, ioc->msix_vector_count));
- return 0;
- }
- /**
- * _base_free_irq - free irq
- * @ioc: per adapter object
- *
- * Freeing respective reply_queue from the list.
- */
- static void
- _base_free_irq(struct MPT3SAS_ADAPTER *ioc)
- {
- struct adapter_reply_queue *reply_q, *next;
- if (list_empty(&ioc->reply_queue_list))
- return;
- list_for_each_entry_safe(reply_q, next, &ioc->reply_queue_list, list) {
- list_del(&reply_q->list);
- if (smp_affinity_enable) {
- irq_set_affinity_hint(reply_q->vector, NULL);
- free_cpumask_var(reply_q->affinity_hint);
- }
- free_irq(reply_q->vector, reply_q);
- kfree(reply_q);
- }
- }
- /**
- * _base_request_irq - request irq
- * @ioc: per adapter object
- * @index: msix index into vector table
- * @vector: irq vector
- *
- * Inserting respective reply_queue into the list.
- */
- static int
- _base_request_irq(struct MPT3SAS_ADAPTER *ioc, u8 index, u32 vector)
- {
- struct adapter_reply_queue *reply_q;
- int r;
- reply_q = kzalloc(sizeof(struct adapter_reply_queue), GFP_KERNEL);
- if (!reply_q) {
- pr_err(MPT3SAS_FMT "unable to allocate memory %d!\n",
- ioc->name, (int)sizeof(struct adapter_reply_queue));
- return -ENOMEM;
- }
- reply_q->ioc = ioc;
- reply_q->msix_index = index;
- reply_q->vector = vector;
- if (smp_affinity_enable) {
- if (!zalloc_cpumask_var(&reply_q->affinity_hint, GFP_KERNEL)) {
- kfree(reply_q);
- return -ENOMEM;
- }
- }
- atomic_set(&reply_q->busy, 0);
- if (ioc->msix_enable)
- snprintf(reply_q->name, MPT_NAME_LENGTH, "%s%d-msix%d",
- ioc->driver_name, ioc->id, index);
- else
- snprintf(reply_q->name, MPT_NAME_LENGTH, "%s%d",
- ioc->driver_name, ioc->id);
- r = request_irq(vector, _base_interrupt, IRQF_SHARED, reply_q->name,
- reply_q);
- if (r) {
- pr_err(MPT3SAS_FMT "unable to allocate interrupt %d!\n",
- reply_q->name, vector);
- free_cpumask_var(reply_q->affinity_hint);
- kfree(reply_q);
- return -EBUSY;
- }
- INIT_LIST_HEAD(&reply_q->list);
- list_add_tail(&reply_q->list, &ioc->reply_queue_list);
- return 0;
- }
- /**
- * _base_assign_reply_queues - assigning msix index for each cpu
- * @ioc: per adapter object
- *
- * The enduser would need to set the affinity via /proc/irq/#/smp_affinity
- *
- * It would nice if we could call irq_set_affinity, however it is not
- * an exported symbol
- */
- static void
- _base_assign_reply_queues(struct MPT3SAS_ADAPTER *ioc)
- {
- unsigned int cpu, nr_cpus, nr_msix, index = 0;
- struct adapter_reply_queue *reply_q;
- if (!_base_is_controller_msix_enabled(ioc))
- return;
- memset(ioc->cpu_msix_table, 0, ioc->cpu_msix_table_sz);
- nr_cpus = num_online_cpus();
- nr_msix = ioc->reply_queue_count = min(ioc->reply_queue_count,
- ioc->facts.MaxMSIxVectors);
- if (!nr_msix)
- return;
- cpu = cpumask_first(cpu_online_mask);
- list_for_each_entry(reply_q, &ioc->reply_queue_list, list) {
- unsigned int i, group = nr_cpus / nr_msix;
- if (cpu >= nr_cpus)
- break;
- if (index < nr_cpus % nr_msix)
- group++;
- for (i = 0 ; i < group ; i++) {
- ioc->cpu_msix_table[cpu] = index;
- if (smp_affinity_enable)
- cpumask_or(reply_q->affinity_hint,
- reply_q->affinity_hint, get_cpu_mask(cpu));
- cpu = cpumask_next(cpu, cpu_online_mask);
- }
- if (smp_affinity_enable)
- if (irq_set_affinity_hint(reply_q->vector,
- reply_q->affinity_hint))
- dinitprintk(ioc, pr_info(MPT3SAS_FMT
- "Err setting affinity hint to irq vector %d\n",
- ioc->name, reply_q->vector));
- index++;
- }
- }
- /**
- * _base_disable_msix - disables msix
- * @ioc: per adapter object
- *
- */
- static void
- _base_disable_msix(struct MPT3SAS_ADAPTER *ioc)
- {
- if (!ioc->msix_enable)
- return;
- pci_disable_msix(ioc->pdev);
- ioc->msix_enable = 0;
- }
- /**
- * _base_enable_msix - enables msix, failback to io_apic
- * @ioc: per adapter object
- *
- */
- static int
- _base_enable_msix(struct MPT3SAS_ADAPTER *ioc)
- {
- struct msix_entry *entries, *a;
- int r;
- int i;
- u8 try_msix = 0;
- if (msix_disable == -1 || msix_disable == 0)
- try_msix = 1;
- if (!try_msix)
- goto try_ioapic;
- if (_base_check_enable_msix(ioc) != 0)
- goto try_ioapic;
- ioc->reply_queue_count = min_t(int, ioc->cpu_count,
- ioc->msix_vector_count);
- printk(MPT3SAS_FMT "MSI-X vectors supported: %d, no of cores"
- ": %d, max_msix_vectors: %d\n", ioc->name, ioc->msix_vector_count,
- ioc->cpu_count, max_msix_vectors);
- if (!ioc->rdpq_array_enable && max_msix_vectors == -1)
- max_msix_vectors = 8;
- if (max_msix_vectors > 0) {
- ioc->reply_queue_count = min_t(int, max_msix_vectors,
- ioc->reply_queue_count);
- ioc->msix_vector_count = ioc->reply_queue_count;
- } else if (max_msix_vectors == 0)
- goto try_ioapic;
- if (ioc->msix_vector_count < ioc->cpu_count)
- smp_affinity_enable = 0;
- entries = kcalloc(ioc->reply_queue_count, sizeof(struct msix_entry),
- GFP_KERNEL);
- if (!entries) {
- dfailprintk(ioc, pr_info(MPT3SAS_FMT
- "kcalloc failed @ at %s:%d/%s() !!!\n",
- ioc->name, __FILE__, __LINE__, __func__));
- goto try_ioapic;
- }
- for (i = 0, a = entries; i < ioc->reply_queue_count; i++, a++)
- a->entry = i;
- r = pci_enable_msix_exact(ioc->pdev, entries, ioc->reply_queue_count);
- if (r) {
- dfailprintk(ioc, pr_info(MPT3SAS_FMT
- "pci_enable_msix_exact failed (r=%d) !!!\n",
- ioc->name, r));
- kfree(entries);
- goto try_ioapic;
- }
- ioc->msix_enable = 1;
- for (i = 0, a = entries; i < ioc->reply_queue_count; i++, a++) {
- r = _base_request_irq(ioc, i, a->vector);
- if (r) {
- _base_free_irq(ioc);
- _base_disable_msix(ioc);
- kfree(entries);
- goto try_ioapic;
- }
- }
- kfree(entries);
- return 0;
- /* failback to io_apic interrupt routing */
- try_ioapic:
- ioc->reply_queue_count = 1;
- r = _base_request_irq(ioc, 0, ioc->pdev->irq);
- return r;
- }
- /**
- * mpt3sas_base_unmap_resources - free controller resources
- * @ioc: per adapter object
- */
- static void
- mpt3sas_base_unmap_resources(struct MPT3SAS_ADAPTER *ioc)
- {
- struct pci_dev *pdev = ioc->pdev;
- dexitprintk(ioc, printk(MPT3SAS_FMT "%s\n",
- ioc->name, __func__));
- _base_free_irq(ioc);
- _base_disable_msix(ioc);
- if (ioc->msix96_vector) {
- kfree(ioc->replyPostRegisterIndex);
- ioc->replyPostRegisterIndex = NULL;
- }
- if (ioc->chip_phys) {
- iounmap(ioc->chip);
- ioc->chip_phys = 0;
- }
- if (pci_is_enabled(pdev)) {
- pci_release_selected_regions(ioc->pdev, ioc->bars);
- pci_disable_pcie_error_reporting(pdev);
- pci_disable_device(pdev);
- }
- }
- /**
- * mpt3sas_base_map_resources - map in controller resources (io/irq/memap)
- * @ioc: per adapter object
- *
- * Returns 0 for success, non-zero for failure.
- */
- int
- mpt3sas_base_map_resources(struct MPT3SAS_ADAPTER *ioc)
- {
- struct pci_dev *pdev = ioc->pdev;
- u32 memap_sz;
- u32 pio_sz;
- int i, r = 0;
- u64 pio_chip = 0;
- u64 chip_phys = 0;
- struct adapter_reply_queue *reply_q;
- dinitprintk(ioc, pr_info(MPT3SAS_FMT "%s\n",
- ioc->name, __func__));
- ioc->bars = pci_select_bars(pdev, IORESOURCE_MEM);
- if (pci_enable_device_mem(pdev)) {
- pr_warn(MPT3SAS_FMT "pci_enable_device_mem: failed\n",
- ioc->name);
- ioc->bars = 0;
- return -ENODEV;
- }
- if (pci_request_selected_regions(pdev, ioc->bars,
- ioc->driver_name)) {
- pr_warn(MPT3SAS_FMT "pci_request_selected_regions: failed\n",
- ioc->name);
- ioc->bars = 0;
- r = -ENODEV;
- goto out_fail;
- }
- /* AER (Advanced Error Reporting) hooks */
- pci_enable_pcie_error_reporting(pdev);
- pci_set_master(pdev);
- if (_base_config_dma_addressing(ioc, pdev) != 0) {
- pr_warn(MPT3SAS_FMT "no suitable DMA mask for %s\n",
- ioc->name, pci_name(pdev));
- r = -ENODEV;
- goto out_fail;
- }
- for (i = 0, memap_sz = 0, pio_sz = 0; (i < DEVICE_COUNT_RESOURCE) &&
- (!memap_sz || !pio_sz); i++) {
- if (pci_resource_flags(pdev, i) & IORESOURCE_IO) {
- if (pio_sz)
- continue;
- pio_chip = (u64)pci_resource_start(pdev, i);
- pio_sz = pci_resource_len(pdev, i);
- } else if (pci_resource_flags(pdev, i) & IORESOURCE_MEM) {
- if (memap_sz)
- continue;
- ioc->chip_phys = pci_resource_start(pdev, i);
- chip_phys = (u64)ioc->chip_phys;
- memap_sz = pci_resource_len(pdev, i);
- ioc->chip = ioremap(ioc->chip_phys, memap_sz);
- }
- }
- if (ioc->chip == NULL) {
- pr_err(MPT3SAS_FMT "unable to map adapter memory! "
- " or resource not found\n", ioc->name);
- r = -EINVAL;
- goto out_fail;
- }
- _base_mask_interrupts(ioc);
- r = _base_get_ioc_facts(ioc);
- if (r)
- goto out_fail;
- if (!ioc->rdpq_array_enable_assigned) {
- ioc->rdpq_array_enable = ioc->rdpq_array_capable;
- ioc->rdpq_array_enable_assigned = 1;
- }
- r = _base_enable_msix(ioc);
- if (r)
- goto out_fail;
- /* Use the Combined reply queue feature only for SAS3 C0 & higher
- * revision HBAs and also only when reply queue count is greater than 8
- */
- if (ioc->msix96_vector && ioc->reply_queue_count > 8) {
- /* Determine the Supplemental Reply Post Host Index Registers
- * Addresse. Supplemental Reply Post Host Index Registers
- * starts at offset MPI25_SUP_REPLY_POST_HOST_INDEX_OFFSET and
- * each register is at offset bytes of
- * MPT3_SUP_REPLY_POST_HOST_INDEX_REG_OFFSET from previous one.
- */
- ioc->replyPostRegisterIndex = kcalloc(
- MPT3_SUP_REPLY_POST_HOST_INDEX_REG_COUNT,
- sizeof(resource_size_t *), GFP_KERNEL);
- if (!ioc->replyPostRegisterIndex) {
- dfailprintk(ioc, printk(MPT3SAS_FMT
- "allocation for reply Post Register Index failed!!!\n",
- ioc->name));
- r = -ENOMEM;
- goto out_fail;
- }
- for (i = 0; i < MPT3_SUP_REPLY_POST_HOST_INDEX_REG_COUNT; i++) {
- ioc->replyPostRegisterIndex[i] = (resource_size_t *)
- ((u8 *)&ioc->chip->Doorbell +
- MPI25_SUP_REPLY_POST_HOST_INDEX_OFFSET +
- (i * MPT3_SUP_REPLY_POST_HOST_INDEX_REG_OFFSET));
- }
- } else
- ioc->msix96_vector = 0;
- if (ioc->is_warpdrive) {
- ioc->reply_post_host_index[0] = (resource_size_t __iomem *)
- &ioc->chip->ReplyPostHostIndex;
- for (i = 1; i < ioc->cpu_msix_table_sz; i++)
- ioc->reply_post_host_index[i] =
- (resource_size_t __iomem *)
- ((u8 __iomem *)&ioc->chip->Doorbell + (0x4000 + ((i - 1)
- * 4)));
- }
- list_for_each_entry(reply_q, &ioc->reply_queue_list, list)
- pr_info(MPT3SAS_FMT "%s: IRQ %d\n",
- reply_q->name, ((ioc->msix_enable) ? "PCI-MSI-X enabled" :
- "IO-APIC enabled"), reply_q->vector);
- pr_info(MPT3SAS_FMT "iomem(0x%016llx), mapped(0x%p), size(%d)\n",
- ioc->name, (unsigned long long)chip_phys, ioc->chip, memap_sz);
- pr_info(MPT3SAS_FMT "ioport(0x%016llx), size(%d)\n",
- ioc->name, (unsigned long long)pio_chip, pio_sz);
- /* Save PCI configuration state for recovery from PCI AER/EEH errors */
- pci_save_state(pdev);
- return 0;
- out_fail:
- mpt3sas_base_unmap_resources(ioc);
- return r;
- }
- /**
- * mpt3sas_base_get_msg_frame - obtain request mf pointer
- * @ioc: per adapter object
- * @smid: system request message index(smid zero is invalid)
- *
- * Returns virt pointer to message frame.
- */
- void *
- mpt3sas_base_get_msg_frame(struct MPT3SAS_ADAPTER *ioc, u16 smid)
- {
- return (void *)(ioc->request + (smid * ioc->request_sz));
- }
- /**
- * mpt3sas_base_get_sense_buffer - obtain a sense buffer virt addr
- * @ioc: per adapter object
- * @smid: system request message index
- *
- * Returns virt pointer to sense buffer.
- */
- void *
- mpt3sas_base_get_sense_buffer(struct MPT3SAS_ADAPTER *ioc, u16 smid)
- {
- return (void *)(ioc->sense + ((smid - 1) * SCSI_SENSE_BUFFERSIZE));
- }
- /**
- * mpt3sas_base_get_sense_buffer_dma - obtain a sense buffer dma addr
- * @ioc: per adapter object
- * @smid: system request message index
- *
- * Returns phys pointer to the low 32bit address of the sense buffer.
- */
- __le32
- mpt3sas_base_get_sense_buffer_dma(struct MPT3SAS_ADAPTER *ioc, u16 smid)
- {
- return cpu_to_le32(ioc->sense_dma + ((smid - 1) *
- SCSI_SENSE_BUFFERSIZE));
- }
- /**
- * mpt3sas_base_get_reply_virt_addr - obtain reply frames virt address
- * @ioc: per adapter object
- * @phys_addr: lower 32 physical addr of the reply
- *
- * Converts 32bit lower physical addr into a virt address.
- */
- void *
- mpt3sas_base_get_reply_virt_addr(struct MPT3SAS_ADAPTER *ioc, u32 phys_addr)
- {
- if (!phys_addr)
- return NULL;
- return ioc->reply + (phys_addr - (u32)ioc->reply_dma);
- }
- static inline u8
- _base_get_msix_index(struct MPT3SAS_ADAPTER *ioc)
- {
- return ioc->cpu_msix_table[raw_smp_processor_id()];
- }
- /**
- * mpt3sas_base_get_smid - obtain a free smid from internal queue
- * @ioc: per adapter object
- * @cb_idx: callback index
- *
- * Returns smid (zero is invalid)
- */
- u16
- mpt3sas_base_get_smid(struct MPT3SAS_ADAPTER *ioc, u8 cb_idx)
- {
- unsigned long flags;
- struct request_tracker *request;
- u16 smid;
- spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
- if (list_empty(&ioc->internal_free_list)) {
- spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
- pr_err(MPT3SAS_FMT "%s: smid not available\n",
- ioc->name, __func__);
- return 0;
- }
- request = list_entry(ioc->internal_free_list.next,
- struct request_tracker, tracker_list);
- request->cb_idx = cb_idx;
- smid = request->smid;
- list_del(&request->tracker_list);
- spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
- return smid;
- }
- /**
- * mpt3sas_base_get_smid_scsiio - obtain a free smid from scsiio queue
- * @ioc: per adapter object
- * @cb_idx: callback index
- * @scmd: pointer to scsi command object
- *
- * Returns smid (zero is invalid)
- */
- u16
- mpt3sas_base_get_smid_scsiio(struct MPT3SAS_ADAPTER *ioc, u8 cb_idx,
- struct scsi_cmnd *scmd)
- {
- unsigned long flags;
- struct scsiio_tracker *request;
- u16 smid;
- spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
- if (list_empty(&ioc->free_list)) {
- spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
- pr_err(MPT3SAS_FMT "%s: smid not available\n",
- ioc->name, __func__);
- return 0;
- }
- request = list_entry(ioc->free_list.next,
- struct scsiio_tracker, tracker_list);
- request->scmd = scmd;
- request->cb_idx = cb_idx;
- smid = request->smid;
- request->msix_io = _base_get_msix_index(ioc);
- list_del(&request->tracker_list);
- spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
- return smid;
- }
- /**
- * mpt3sas_base_get_smid_hpr - obtain a free smid from hi-priority queue
- * @ioc: per adapter object
- * @cb_idx: callback index
- *
- * Returns smid (zero is invalid)
- */
- u16
- mpt3sas_base_get_smid_hpr(struct MPT3SAS_ADAPTER *ioc, u8 cb_idx)
- {
- unsigned long flags;
- struct request_tracker *request;
- u16 smid;
- spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
- if (list_empty(&ioc->hpr_free_list)) {
- spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
- return 0;
- }
- request = list_entry(ioc->hpr_free_list.next,
- struct request_tracker, tracker_list);
- request->cb_idx = cb_idx;
- smid = request->smid;
- list_del(&request->tracker_list);
- spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
- return smid;
- }
- /**
- * mpt3sas_base_free_smid - put smid back on free_list
- * @ioc: per adapter object
- * @smid: system request message index
- *
- * Return nothing.
- */
- void
- mpt3sas_base_free_smid(struct MPT3SAS_ADAPTER *ioc, u16 smid)
- {
- unsigned long flags;
- int i;
- struct chain_tracker *chain_req, *next;
- spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
- if (smid < ioc->hi_priority_smid) {
- /* scsiio queue */
- i = smid - 1;
- if (!list_empty(&ioc->scsi_lookup[i].chain_list)) {
- list_for_each_entry_safe(chain_req, next,
- &ioc->scsi_lookup[i].chain_list, tracker_list) {
- list_del_init(&chain_req->tracker_list);
- list_add(&chain_req->tracker_list,
- &ioc->free_chain_list);
- }
- }
- ioc->scsi_lookup[i].cb_idx = 0xFF;
- ioc->scsi_lookup[i].scmd = NULL;
- ioc->scsi_lookup[i].direct_io = 0;
- list_add(&ioc->scsi_lookup[i].tracker_list, &ioc->free_list);
- spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
- /*
- * See _wait_for_commands_to_complete() call with regards
- * to this code.
- */
- if (ioc->shost_recovery && ioc->pending_io_count) {
- if (ioc->pending_io_count == 1)
- wake_up(&ioc->reset_wq);
- ioc->pending_io_count--;
- }
- return;
- } else if (smid < ioc->internal_smid) {
- /* hi-priority */
- i = smid - ioc->hi_priority_smid;
- ioc->hpr_lookup[i].cb_idx = 0xFF;
- list_add(&ioc->hpr_lookup[i].tracker_list, &ioc->hpr_free_list);
- } else if (smid <= ioc->hba_queue_depth) {
- /* internal queue */
- i = smid - ioc->internal_smid;
- ioc->internal_lookup[i].cb_idx = 0xFF;
- list_add(&ioc->internal_lookup[i].tracker_list,
- &ioc->internal_free_list);
- }
- spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
- }
- /**
- * _base_writeq - 64 bit write to MMIO
- * @ioc: per adapter object
- * @b: data payload
- * @addr: address in MMIO space
- * @writeq_lock: spin lock
- *
- * Glue for handling an atomic 64 bit word to MMIO. This special handling takes
- * care of 32 bit environment where its not quarenteed to send the entire word
- * in one transfer.
- */
- #if defined(writeq) && defined(CONFIG_64BIT)
- static inline void
- _base_writeq(__u64 b, volatile void __iomem *addr, spinlock_t *writeq_lock)
- {
- writeq(cpu_to_le64(b), addr);
- }
- #else
- static inline void
- _base_writeq(__u64 b, volatile void __iomem *addr, spinlock_t *writeq_lock)
- {
- unsigned long flags;
- __u64 data_out = cpu_to_le64(b);
- spin_lock_irqsave(writeq_lock, flags);
- writel((u32)(data_out), addr);
- writel((u32)(data_out >> 32), (addr + 4));
- spin_unlock_irqrestore(writeq_lock, flags);
- }
- #endif
- /**
- * mpt3sas_base_put_smid_scsi_io - send SCSI_IO request to firmware
- * @ioc: per adapter object
- * @smid: system request message index
- * @handle: device handle
- *
- * Return nothing.
- */
- void
- mpt3sas_base_put_smid_scsi_io(struct MPT3SAS_ADAPTER *ioc, u16 smid, u16 handle)
- {
- Mpi2RequestDescriptorUnion_t descriptor;
- u64 *request = (u64 *)&descriptor;
- descriptor.SCSIIO.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO;
- descriptor.SCSIIO.MSIxIndex = _base_get_msix_index(ioc);
- descriptor.SCSIIO.SMID = cpu_to_le16(smid);
- descriptor.SCSIIO.DevHandle = cpu_to_le16(handle);
- descriptor.SCSIIO.LMID = 0;
- _base_writeq(*request, &ioc->chip->RequestDescriptorPostLow,
- &ioc->scsi_lookup_lock);
- }
- /**
- * mpt3sas_base_put_smid_fast_path - send fast path request to firmware
- * @ioc: per adapter object
- * @smid: system request message index
- * @handle: device handle
- *
- * Return nothing.
- */
- void
- mpt3sas_base_put_smid_fast_path(struct MPT3SAS_ADAPTER *ioc, u16 smid,
- u16 handle)
- {
- Mpi2RequestDescriptorUnion_t descriptor;
- u64 *request = (u64 *)&descriptor;
- descriptor.SCSIIO.RequestFlags =
- MPI25_REQ_DESCRIPT_FLAGS_FAST_PATH_SCSI_IO;
- descriptor.SCSIIO.MSIxIndex = _base_get_msix_index(ioc);
- descriptor.SCSIIO.SMID = cpu_to_le16(smid);
- descriptor.SCSIIO.DevHandle = cpu_to_le16(handle);
- descriptor.SCSIIO.LMID = 0;
- _base_writeq(*request, &ioc->chip->RequestDescriptorPostLow,
- &ioc->scsi_lookup_lock);
- }
- /**
- * mpt3sas_base_put_smid_hi_priority - send Task Managment request to firmware
- * @ioc: per adapter object
- * @smid: system request message index
- * @msix_task: msix_task will be same as msix of IO incase of task abort else 0.
- * Return nothing.
- */
- void
- mpt3sas_base_put_smid_hi_priority(struct MPT3SAS_ADAPTER *ioc, u16 smid,
- u16 msix_task)
- {
- Mpi2RequestDescriptorUnion_t descriptor;
- u64 *request = (u64 *)&descriptor;
- descriptor.HighPriority.RequestFlags =
- MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY;
- descriptor.HighPriority.MSIxIndex = msix_task;
- descriptor.HighPriority.SMID = cpu_to_le16(smid);
- descriptor.HighPriority.LMID = 0;
- descriptor.HighPriority.Reserved1 = 0;
- _base_writeq(*request, &ioc->chip->RequestDescriptorPostLow,
- &ioc->scsi_lookup_lock);
- }
- /**
- * mpt3sas_base_put_smid_default - Default, primarily used for config pages
- * @ioc: per adapter object
- * @smid: system request message index
- *
- * Return nothing.
- */
- void
- mpt3sas_base_put_smid_default(struct MPT3SAS_ADAPTER *ioc, u16 smid)
- {
- Mpi2RequestDescriptorUnion_t descriptor;
- u64 *request = (u64 *)&descriptor;
- descriptor.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE;
- descriptor.Default.MSIxIndex = _base_get_msix_index(ioc);
- descriptor.Default.SMID = cpu_to_le16(smid);
- descriptor.Default.LMID = 0;
- descriptor.Default.DescriptorTypeDependent = 0;
- _base_writeq(*request, &ioc->chip->RequestDescriptorPostLow,
- &ioc->scsi_lookup_lock);
- }
- /**
- * _base_display_OEMs_branding - Display branding string
- * @ioc: per adapter object
- *
- * Return nothing.
- */
- static void
- _base_display_OEMs_branding(struct MPT3SAS_ADAPTER *ioc)
- {
- if (ioc->pdev->subsystem_vendor != PCI_VENDOR_ID_INTEL)
- return;
- switch (ioc->pdev->subsystem_vendor) {
- case PCI_VENDOR_ID_INTEL:
- switch (ioc->pdev->device) {
- case MPI2_MFGPAGE_DEVID_SAS2008:
- switch (ioc->pdev->subsystem_device) {
- case MPT2SAS_INTEL_RMS2LL080_SSDID:
- pr_info(MPT3SAS_FMT "%s\n", ioc->name,
- MPT2SAS_INTEL_RMS2LL080_BRANDING);
- break;
- case MPT2SAS_INTEL_RMS2LL040_SSDID:
- pr_info(MPT3SAS_FMT "%s\n", ioc->name,
- MPT2SAS_INTEL_RMS2LL040_BRANDING);
- break;
- case MPT2SAS_INTEL_SSD910_SSDID:
- pr_info(MPT3SAS_FMT "%s\n", ioc->name,
- MPT2SAS_INTEL_SSD910_BRANDING);
- break;
- default:
- pr_info(MPT3SAS_FMT
- "Intel(R) Controller: Subsystem ID: 0x%X\n",
- ioc->name, ioc->pdev->subsystem_device);
- break;
- }
- case MPI2_MFGPAGE_DEVID_SAS2308_2:
- switch (ioc->pdev->subsystem_device) {
- case MPT2SAS_INTEL_RS25GB008_SSDID:
- pr_info(MPT3SAS_FMT "%s\n", ioc->name,
- MPT2SAS_INTEL_RS25GB008_BRANDING);
- break;
- case MPT2SAS_INTEL_RMS25JB080_SSDID:
- pr_info(MPT3SAS_FMT "%s\n", ioc->name,
- MPT2SAS_INTEL_RMS25JB080_BRANDING);
- break;
- case MPT2SAS_INTEL_RMS25JB040_SSDID:
- pr_info(MPT3SAS_FMT "%s\n", ioc->name,
- MPT2SAS_INTEL_RMS25JB040_BRANDING);
- break;
- case MPT2SAS_INTEL_RMS25KB080_SSDID:
- pr_info(MPT3SAS_FMT "%s\n", ioc->name,
- MPT2SAS_INTEL_RMS25KB080_BRANDING);
- break;
- case MPT2SAS_INTEL_RMS25KB040_SSDID:
- pr_info(MPT3SAS_FMT "%s\n", ioc->name,
- MPT2SAS_INTEL_RMS25KB040_BRANDING);
- break;
- case MPT2SAS_INTEL_RMS25LB040_SSDID:
- pr_info(MPT3SAS_FMT "%s\n", ioc->name,
- MPT2SAS_INTEL_RMS25LB040_BRANDING);
- break;
- case MPT2SAS_INTEL_RMS25LB080_SSDID:
- pr_info(MPT3SAS_FMT "%s\n", ioc->name,
- MPT2SAS_INTEL_RMS25LB080_BRANDING);
- break;
- default:
- pr_info(MPT3SAS_FMT
- "Intel(R) Controller: Subsystem ID: 0x%X\n",
- ioc->name, ioc->pdev->subsystem_device);
- break;
- }
- case MPI25_MFGPAGE_DEVID_SAS3008:
- switch (ioc->pdev->subsystem_device) {
- case MPT3SAS_INTEL_RMS3JC080_SSDID:
- pr_info(MPT3SAS_FMT "%s\n", ioc->name,
- MPT3SAS_INTEL_RMS3JC080_BRANDING);
- break;
- case MPT3SAS_INTEL_RS3GC008_SSDID:
- pr_info(MPT3SAS_FMT "%s\n", ioc->name,
- MPT3SAS_INTEL_RS3GC008_BRANDING);
- break;
- case MPT3SAS_INTEL_RS3FC044_SSDID:
- pr_info(MPT3SAS_FMT "%s\n", ioc->name,
- MPT3SAS_INTEL_RS3FC044_BRANDING);
- break;
- case MPT3SAS_INTEL_RS3UC080_SSDID:
- pr_info(MPT3SAS_FMT "%s\n", ioc->name,
- MPT3SAS_INTEL_RS3UC080_BRANDING);
- break;
- default:
- pr_info(MPT3SAS_FMT
- "Intel(R) Controller: Subsystem ID: 0x%X\n",
- ioc->name, ioc->pdev->subsystem_device);
- break;
- }
- break;
- default:
- pr_info(MPT3SAS_FMT
- "Intel(R) Controller: Subsystem ID: 0x%X\n",
- ioc->name, ioc->pdev->subsystem_device);
- break;
- }
- break;
- case PCI_VENDOR_ID_DELL:
- switch (ioc->pdev->device) {
- case MPI2_MFGPAGE_DEVID_SAS2008:
- switch (ioc->pdev->subsystem_device) {
- case MPT2SAS_DELL_6GBPS_SAS_HBA_SSDID:
- pr_info(MPT3SAS_FMT "%s\n", ioc->name,
- MPT2SAS_DELL_6GBPS_SAS_HBA_BRANDING);
- break;
- case MPT2SAS_DELL_PERC_H200_ADAPTER_SSDID:
- pr_info(MPT3SAS_FMT "%s\n", ioc->name,
- MPT2SAS_DELL_PERC_H200_ADAPTER_BRANDING);
- break;
- case MPT2SAS_DELL_PERC_H200_INTEGRATED_SSDID:
- pr_info(MPT3SAS_FMT "%s\n", ioc->name,
- MPT2SAS_DELL_PERC_H200_INTEGRATED_BRANDING);
- break;
- case MPT2SAS_DELL_PERC_H200_MODULAR_SSDID:
- pr_info(MPT3SAS_FMT "%s\n", ioc->name,
- MPT2SAS_DELL_PERC_H200_MODULAR_BRANDING);
- break;
- case MPT2SAS_DELL_PERC_H200_EMBEDDED_SSDID:
- pr_info(MPT3SAS_FMT "%s\n", ioc->name,
- MPT2SAS_DELL_PERC_H200_EMBEDDED_BRANDING);
- break;
- case MPT2SAS_DELL_PERC_H200_SSDID:
- pr_info(MPT3SAS_FMT "%s\n", ioc->name,
- MPT2SAS_DELL_PERC_H200_BRANDING);
- break;
- case MPT2SAS_DELL_6GBPS_SAS_SSDID:
- pr_info(MPT3SAS_FMT "%s\n", ioc->name,
- MPT2SAS_DELL_6GBPS_SAS_BRANDING);
- break;
- default:
- pr_info(MPT3SAS_FMT
- "Dell 6Gbps HBA: Subsystem ID: 0x%X\n",
- ioc->name, ioc->pdev->subsystem_device);
- break;
- }
- break;
- case MPI25_MFGPAGE_DEVID_SAS3008:
- switch (ioc->pdev->subsystem_device) {
- case MPT3SAS_DELL_12G_HBA_SSDID:
- pr_info(MPT3SAS_FMT "%s\n", ioc->name,
- MPT3SAS_DELL_12G_HBA_BRANDING);
- break;
- default:
- pr_info(MPT3SAS_FMT
- "Dell 12Gbps HBA: Subsystem ID: 0x%X\n",
- ioc->name, ioc->pdev->subsystem_device);
- break;
- }
- break;
- default:
- pr_info(MPT3SAS_FMT
- "Dell HBA: Subsystem ID: 0x%X\n", ioc->name,
- ioc->pdev->subsystem_device);
- break;
- }
- break;
- case PCI_VENDOR_ID_CISCO:
- switch (ioc->pdev->device) {
- case MPI25_MFGPAGE_DEVID_SAS3008:
- switch (ioc->pdev->subsystem_device) {
- case MPT3SAS_CISCO_12G_8E_HBA_SSDID:
- pr_info(MPT3SAS_FMT "%s\n", ioc->name,
- MPT3SAS_CISCO_12G_8E_HBA_BRANDING);
- break;
- case MPT3SAS_CISCO_12G_8I_HBA_SSDID:
- pr_info(MPT3SAS_FMT "%s\n", ioc->name,
- MPT3SAS_CISCO_12G_8I_HBA_BRANDING);
- break;
- case MPT3SAS_CISCO_12G_AVILA_HBA_SSDID:
- pr_info(MPT3SAS_FMT "%s\n", ioc->name,
- MPT3SAS_CISCO_12G_AVILA_HBA_BRANDING);
- break;
- default:
- pr_info(MPT3SAS_FMT
- "Cisco 12Gbps SAS HBA: Subsystem ID: 0x%X\n",
- ioc->name, ioc->pdev->subsystem_device);
- break;
- }
- break;
- case MPI25_MFGPAGE_DEVID_SAS3108_1:
- switch (ioc->pdev->subsystem_device) {
- case MPT3SAS_CISCO_12G_AVILA_HBA_SSDID:
- pr_info(MPT3SAS_FMT "%s\n", ioc->name,
- MPT3SAS_CISCO_12G_AVILA_HBA_BRANDING);
- break;
- case MPT3SAS_CISCO_12G_COLUSA_MEZZANINE_HBA_SSDID:
- pr_info(MPT3SAS_FMT "%s\n", ioc->name,
- MPT3SAS_CISCO_12G_COLUSA_MEZZANINE_HBA_BRANDING
- );
- break;
- default:
- pr_info(MPT3SAS_FMT
- "Cisco 12Gbps SAS HBA: Subsystem ID: 0x%X\n",
- ioc->name, ioc->pdev->subsystem_device);
- break;
- }
- break;
- default:
- pr_info(MPT3SAS_FMT
- "Cisco SAS HBA: Subsystem ID: 0x%X\n",
- ioc->name, ioc->pdev->subsystem_device);
- break;
- }
- break;
- case MPT2SAS_HP_3PAR_SSVID:
- switch (ioc->pdev->device) {
- case MPI2_MFGPAGE_DEVID_SAS2004:
- switch (ioc->pdev->subsystem_device) {
- case MPT2SAS_HP_DAUGHTER_2_4_INTERNAL_SSDID:
- pr_info(MPT3SAS_FMT "%s\n", ioc->name,
- MPT2SAS_HP_DAUGHTER_2_4_INTERNAL_BRANDING);
- break;
- default:
- pr_info(MPT3SAS_FMT
- "HP 6Gbps SAS HBA: Subsystem ID: 0x%X\n",
- ioc->name, ioc->pdev->subsystem_device);
- break;
- }
- case MPI2_MFGPAGE_DEVID_SAS2308_2:
- switch (ioc->pdev->subsystem_device) {
- case MPT2SAS_HP_2_4_INTERNAL_SSDID:
- pr_info(MPT3SAS_FMT "%s\n", ioc->name,
- MPT2SAS_HP_2_4_INTERNAL_BRANDING);
- break;
- case MPT2SAS_HP_2_4_EXTERNAL_SSDID:
- pr_info(MPT3SAS_FMT "%s\n", ioc->name,
- MPT2SAS_HP_2_4_EXTERNAL_BRANDING);
- break;
- case MPT2SAS_HP_1_4_INTERNAL_1_4_EXTERNAL_SSDID:
- pr_info(MPT3SAS_FMT "%s\n", ioc->name,
- MPT2SAS_HP_1_4_INTERNAL_1_4_EXTERNAL_BRANDING);
- break;
- case MPT2SAS_HP_EMBEDDED_2_4_INTERNAL_SSDID:
- pr_info(MPT3SAS_FMT "%s\n", ioc->name,
- MPT2SAS_HP_EMBEDDED_2_4_INTERNAL_BRANDING);
- break;
- default:
- pr_info(MPT3SAS_FMT
- "HP 6Gbps SAS HBA: Subsystem ID: 0x%X\n",
- ioc->name, ioc->pdev->subsystem_device);
- break;
- }
- default:
- pr_info(MPT3SAS_FMT
- "HP SAS HBA: Subsystem ID: 0x%X\n",
- ioc->name, ioc->pdev->subsystem_device);
- break;
- }
- default:
- break;
- }
- }
- /**
- * _base_display_ioc_capabilities - Disply IOC's capabilities.
- * @ioc: per adapter object
- *
- * Return nothing.
- */
- static void
- _base_display_ioc_capabilities(struct MPT3SAS_ADAPTER *ioc)
- {
- int i = 0;
- char desc[16];
- u32 iounit_pg1_flags;
- u32 bios_version;
- bios_version = le32_to_cpu(ioc->bios_pg3.BiosVersion);
- strncpy(desc, ioc->manu_pg0.ChipName, 16);
- pr_info(MPT3SAS_FMT "%s: FWVersion(%02d.%02d.%02d.%02d), "\
- "ChipRevision(0x%02x), BiosVersion(%02d.%02d.%02d.%02d)\n",
- ioc->name, desc,
- (ioc->facts.FWVersion.Word & 0xFF000000) >> 24,
- (ioc->facts.FWVersion.Word & 0x00FF0000) >> 16,
- (ioc->facts.FWVersion.Word & 0x0000FF00) >> 8,
- ioc->facts.FWVersion.Word & 0x000000FF,
- ioc->pdev->revision,
- (bios_version & 0xFF000000) >> 24,
- (bios_version & 0x00FF0000) >> 16,
- (bios_version & 0x0000FF00) >> 8,
- bios_version & 0x000000FF);
- _base_display_OEMs_branding(ioc);
- pr_info(MPT3SAS_FMT "Protocol=(", ioc->name);
- if (ioc->facts.ProtocolFlags & MPI2_IOCFACTS_PROTOCOL_SCSI_INITIATOR) {
- pr_info("Initiator");
- i++;
- }
- if (ioc->facts.ProtocolFlags & MPI2_IOCFACTS_PROTOCOL_SCSI_TARGET) {
- pr_info("%sTarget", i ? "," : "");
- i++;
- }
- i = 0;
- pr_info("), ");
- pr_info("Capabilities=(");
- if (!ioc->hide_ir_msg) {
- if (ioc->facts.IOCCapabilities &
- MPI2_IOCFACTS_CAPABILITY_INTEGRATED_RAID) {
- pr_info("Raid");
- i++;
- }
- }
- if (ioc->facts.IOCCapabilities & MPI2_IOCFACTS_CAPABILITY_TLR) {
- pr_info("%sTLR", i ? "," : "");
- i++;
- }
- if (ioc->facts.IOCCapabilities & MPI2_IOCFACTS_CAPABILITY_MULTICAST) {
- pr_info("%sMulticast", i ? "," : "");
- i++;
- }
- if (ioc->facts.IOCCapabilities &
- MPI2_IOCFACTS_CAPABILITY_BIDIRECTIONAL_TARGET) {
- pr_info("%sBIDI Target", i ? "," : "");
- i++;
- }
- if (ioc->facts.IOCCapabilities & MPI2_IOCFACTS_CAPABILITY_EEDP) {
- pr_info("%sEEDP", i ? "," : "");
- i++;
- }
- if (ioc->facts.IOCCapabilities &
- MPI2_IOCFACTS_CAPABILITY_SNAPSHOT_BUFFER) {
- pr_info("%sSnapshot Buffer", i ? "," : "");
- i++;
- }
- if (ioc->facts.IOCCapabilities &
- MPI2_IOCFACTS_CAPABILITY_DIAG_TRACE_BUFFER) {
- pr_info("%sDiag Trace Buffer", i ? "," : "");
- i++;
- }
- if (ioc->facts.IOCCapabilities &
- MPI2_IOCFACTS_CAPABILITY_EXTENDED_BUFFER) {
- pr_info("%sDiag Extended Buffer", i ? "," : "");
- i++;
- }
- if (ioc->facts.IOCCapabilities &
- MPI2_IOCFACTS_CAPABILITY_TASK_SET_FULL_HANDLING) {
- pr_info("%sTask Set Full", i ? "," : "");
- i++;
- }
- iounit_pg1_flags = le32_to_cpu(ioc->iounit_pg1.Flags);
- if (!(iounit_pg1_flags & MPI2_IOUNITPAGE1_NATIVE_COMMAND_Q_DISABLE)) {
- pr_info("%sNCQ", i ? "," : "");
- i++;
- }
- pr_info(")\n");
- }
- /**
- * mpt3sas_base_update_missing_delay - change the missing delay timers
- * @ioc: per adapter object
- * @device_missing_delay: amount of time till device is reported missing
- * @io_missing_delay: interval IO is returned when there is a missing device
- *
- * Return nothing.
- *
- * Passed on the command line, this function will modify the device missing
- * delay, as well as the io missing delay. This should be called at driver
- * load time.
- */
- void
- mpt3sas_base_update_missing_delay(struct MPT3SAS_ADAPTER *ioc,
- u16 device_missing_delay, u8 io_missing_delay)
- {
- u16 dmd, dmd_new, dmd_orignal;
- u8 io_missing_delay_original;
- u16 sz;
- Mpi2SasIOUnitPage1_t *sas_iounit_pg1 = NULL;
- Mpi2ConfigReply_t mpi_reply;
- u8 num_phys = 0;
- u16 ioc_status;
- mpt3sas_config_get_number_hba_phys(ioc, &num_phys);
- if (!num_phys)
- return;
- sz = offsetof(Mpi2SasIOUnitPage1_t, PhyData) + (num_phys *
- sizeof(Mpi2SasIOUnit1PhyData_t));
- sas_iounit_pg1 = kzalloc(sz, GFP_KERNEL);
- if (!sas_iounit_pg1) {
- pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- goto out;
- }
- if ((mpt3sas_config_get_sas_iounit_pg1(ioc, &mpi_reply,
- sas_iounit_pg1, sz))) {
- pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- goto out;
- }
- ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
- MPI2_IOCSTATUS_MASK;
- if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
- pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- goto out;
- }
- /* device missing delay */
- dmd = sas_iounit_pg1->ReportDeviceMissingDelay;
- if (dmd & MPI2_SASIOUNIT1_REPORT_MISSING_UNIT_16)
- dmd = (dmd & MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK) * 16;
- else
- dmd = dmd & MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK;
- dmd_orignal = dmd;
- if (device_missing_delay > 0x7F) {
- dmd = (device_missing_delay > 0x7F0) ? 0x7F0 :
- device_missing_delay;
- dmd = dmd / 16;
- dmd |= MPI2_SASIOUNIT1_REPORT_MISSING_UNIT_16;
- } else
- dmd = device_missing_delay;
- sas_iounit_pg1->ReportDeviceMissingDelay = dmd;
- /* io missing delay */
- io_missing_delay_original = sas_iounit_pg1->IODeviceMissingDelay;
- sas_iounit_pg1->IODeviceMissingDelay = io_missing_delay;
- if (!mpt3sas_config_set_sas_iounit_pg1(ioc, &mpi_reply, sas_iounit_pg1,
- sz)) {
- if (dmd & MPI2_SASIOUNIT1_REPORT_MISSING_UNIT_16)
- dmd_new = (dmd &
- MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK) * 16;
- else
- dmd_new =
- dmd & MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK;
- pr_info(MPT3SAS_FMT "device_missing_delay: old(%d), new(%d)\n",
- ioc->name, dmd_orignal, dmd_new);
- pr_info(MPT3SAS_FMT "ioc_missing_delay: old(%d), new(%d)\n",
- ioc->name, io_missing_delay_original,
- io_missing_delay);
- ioc->device_missing_delay = dmd_new;
- ioc->io_missing_delay = io_missing_delay;
- }
- out:
- kfree(sas_iounit_pg1);
- }
- /**
- * _base_static_config_pages - static start of day config pages
- * @ioc: per adapter object
- *
- * Return nothing.
- */
- static void
- _base_static_config_pages(struct MPT3SAS_ADAPTER *ioc)
- {
- Mpi2ConfigReply_t mpi_reply;
- u32 iounit_pg1_flags;
- mpt3sas_config_get_manufacturing_pg0(ioc, &mpi_reply, &ioc->manu_pg0);
- if (ioc->ir_firmware)
- mpt3sas_config_get_manufacturing_pg10(ioc, &mpi_reply,
- &ioc->manu_pg10);
- /*
- * Ensure correct T10 PI operation if vendor left EEDPTagMode
- * flag unset in NVDATA.
- */
- mpt3sas_config_get_manufacturing_pg11(ioc, &mpi_reply, &ioc->manu_pg11);
- if (ioc->manu_pg11.EEDPTagMode == 0) {
- pr_err("%s: overriding NVDATA EEDPTagMode setting\n",
- ioc->name);
- ioc->manu_pg11.EEDPTagMode &= ~0x3;
- ioc->manu_pg11.EEDPTagMode |= 0x1;
- mpt3sas_config_set_manufacturing_pg11(ioc, &mpi_reply,
- &ioc->manu_pg11);
- }
- mpt3sas_config_get_bios_pg2(ioc, &mpi_reply, &ioc->bios_pg2);
- mpt3sas_config_get_bios_pg3(ioc, &mpi_reply, &ioc->bios_pg3);
- mpt3sas_config_get_ioc_pg8(ioc, &mpi_reply, &ioc->ioc_pg8);
- mpt3sas_config_get_iounit_pg0(ioc, &mpi_reply, &ioc->iounit_pg0);
- mpt3sas_config_get_iounit_pg1(ioc, &mpi_reply, &ioc->iounit_pg1);
- mpt3sas_config_get_iounit_pg8(ioc, &mpi_reply, &ioc->iounit_pg8);
- _base_display_ioc_capabilities(ioc);
- /*
- * Enable task_set_full handling in iounit_pg1 when the
- * facts capabilities indicate that its supported.
- */
- iounit_pg1_flags = le32_to_cpu(ioc->iounit_pg1.Flags);
- if ((ioc->facts.IOCCapabilities &
- MPI2_IOCFACTS_CAPABILITY_TASK_SET_FULL_HANDLING))
- iounit_pg1_flags &=
- ~MPI2_IOUNITPAGE1_DISABLE_TASK_SET_FULL_HANDLING;
- else
- iounit_pg1_flags |=
- MPI2_IOUNITPAGE1_DISABLE_TASK_SET_FULL_HANDLING;
- ioc->iounit_pg1.Flags = cpu_to_le32(iounit_pg1_flags);
- mpt3sas_config_set_iounit_pg1(ioc, &mpi_reply, &ioc->iounit_pg1);
- if (ioc->iounit_pg8.NumSensors)
- ioc->temp_sensors_count = ioc->iounit_pg8.NumSensors;
- }
- /**
- * _base_release_memory_pools - release memory
- * @ioc: per adapter object
- *
- * Free memory allocated from _base_allocate_memory_pools.
- *
- * Return nothing.
- */
- static void
- _base_release_memory_pools(struct MPT3SAS_ADAPTER *ioc)
- {
- int i = 0;
- struct reply_post_struct *rps;
- dexitprintk(ioc, pr_info(MPT3SAS_FMT "%s\n", ioc->name,
- __func__));
- if (ioc->request) {
- pci_free_consistent(ioc->pdev, ioc->request_dma_sz,
- ioc->request, ioc->request_dma);
- dexitprintk(ioc, pr_info(MPT3SAS_FMT
- "request_pool(0x%p): free\n",
- ioc->name, ioc->request));
- ioc->request = NULL;
- }
- if (ioc->sense) {
- pci_pool_free(ioc->sense_dma_pool, ioc->sense, ioc->sense_dma);
- if (ioc->sense_dma_pool)
- pci_pool_destroy(ioc->sense_dma_pool);
- dexitprintk(ioc, pr_info(MPT3SAS_FMT
- "sense_pool(0x%p): free\n",
- ioc->name, ioc->sense));
- ioc->sense = NULL;
- }
- if (ioc->reply) {
- pci_pool_free(ioc->reply_dma_pool, ioc->reply, ioc->reply_dma);
- if (ioc->reply_dma_pool)
- pci_pool_destroy(ioc->reply_dma_pool);
- dexitprintk(ioc, pr_info(MPT3SAS_FMT
- "reply_pool(0x%p): free\n",
- ioc->name, ioc->reply));
- ioc->reply = NULL;
- }
- if (ioc->reply_free) {
- pci_pool_free(ioc->reply_free_dma_pool, ioc->reply_free,
- ioc->reply_free_dma);
- if (ioc->reply_free_dma_pool)
- pci_pool_destroy(ioc->reply_free_dma_pool);
- dexitprintk(ioc, pr_info(MPT3SAS_FMT
- "reply_free_pool(0x%p): free\n",
- ioc->name, ioc->reply_free));
- ioc->reply_free = NULL;
- }
- if (ioc->reply_post) {
- do {
- rps = &ioc->reply_post[i];
- if (rps->reply_post_free) {
- pci_pool_free(
- ioc->reply_post_free_dma_pool,
- rps->reply_post_free,
- rps->reply_post_free_dma);
- dexitprintk(ioc, pr_info(MPT3SAS_FMT
- "reply_post_free_pool(0x%p): free\n",
- ioc->name, rps->reply_post_free));
- rps->reply_post_free = NULL;
- }
- } while (ioc->rdpq_array_enable &&
- (++i < ioc->reply_queue_count));
- if (ioc->reply_post_free_dma_pool)
- pci_pool_destroy(ioc->reply_post_free_dma_pool);
- kfree(ioc->reply_post);
- }
- if (ioc->config_page) {
- dexitprintk(ioc, pr_info(MPT3SAS_FMT
- "config_page(0x%p): free\n", ioc->name,
- ioc->config_page));
- pci_free_consistent(ioc->pdev, ioc->config_page_sz,
- ioc->config_page, ioc->config_page_dma);
- }
- if (ioc->scsi_lookup) {
- free_pages((ulong)ioc->scsi_lookup, ioc->scsi_lookup_pages);
- ioc->scsi_lookup = NULL;
- }
- kfree(ioc->hpr_lookup);
- kfree(ioc->internal_lookup);
- if (ioc->chain_lookup) {
- for (i = 0; i < ioc->chain_depth; i++) {
- if (ioc->chain_lookup[i].chain_buffer)
- pci_pool_free(ioc->chain_dma_pool,
- ioc->chain_lookup[i].chain_buffer,
- ioc->chain_lookup[i].chain_buffer_dma);
- }
- if (ioc->chain_dma_pool)
- pci_pool_destroy(ioc->chain_dma_pool);
- free_pages((ulong)ioc->chain_lookup, ioc->chain_pages);
- ioc->chain_lookup = NULL;
- }
- }
- /**
- * _base_allocate_memory_pools - allocate start of day memory pools
- * @ioc: per adapter object
- *
- * Returns 0 success, anything else error
- */
- static int
- _base_allocate_memory_pools(struct MPT3SAS_ADAPTER *ioc)
- {
- struct mpt3sas_facts *facts;
- u16 max_sge_elements;
- u16 chains_needed_per_io;
- u32 sz, total_sz, reply_post_free_sz;
- u32 retry_sz;
- u16 max_request_credit;
- unsigned short sg_tablesize;
- u16 sge_size;
- int i;
- dinitprintk(ioc, pr_info(MPT3SAS_FMT "%s\n", ioc->name,
- __func__));
- retry_sz = 0;
- facts = &ioc->facts;
- /* command line tunables for max sgl entries */
- if (max_sgl_entries != -1)
- sg_tablesize = max_sgl_entries;
- else {
- if (ioc->hba_mpi_version_belonged == MPI2_VERSION)
- sg_tablesize = MPT2SAS_SG_DEPTH;
- else
- sg_tablesize = MPT3SAS_SG_DEPTH;
- }
- if (sg_tablesize < MPT_MIN_PHYS_SEGMENTS)
- sg_tablesize = MPT_MIN_PHYS_SEGMENTS;
- else if (sg_tablesize > MPT_MAX_PHYS_SEGMENTS) {
- sg_tablesize = min_t(unsigned short, sg_tablesize,
- SG_MAX_SEGMENTS);
- pr_warn(MPT3SAS_FMT
- "sg_tablesize(%u) is bigger than kernel"
- " defined SG_CHUNK_SIZE(%u)\n", ioc->name,
- sg_tablesize, MPT_MAX_PHYS_SEGMENTS);
- }
- ioc->shost->sg_tablesize = sg_tablesize;
- ioc->internal_depth = min_t(int, (facts->HighPriorityCredit + (5)),
- (facts->RequestCredit / 4));
- if (ioc->internal_depth < INTERNAL_CMDS_COUNT) {
- if (facts->RequestCredit <= (INTERNAL_CMDS_COUNT +
- INTERNAL_SCSIIO_CMDS_COUNT)) {
- pr_err(MPT3SAS_FMT "IOC doesn't have enough Request \
- Credits, it has just %d number of credits\n",
- ioc->name, facts->RequestCredit);
- return -ENOMEM;
- }
- ioc->internal_depth = 10;
- }
- ioc->hi_priority_depth = ioc->internal_depth - (5);
- /* command line tunables for max controller queue depth */
- if (max_queue_depth != -1 && max_queue_depth != 0) {
- max_request_credit = min_t(u16, max_queue_depth +
- ioc->internal_depth, facts->RequestCredit);
- if (max_request_credit > MAX_HBA_QUEUE_DEPTH)
- max_request_credit = MAX_HBA_QUEUE_DEPTH;
- } else
- max_request_credit = min_t(u16, facts->RequestCredit,
- MAX_HBA_QUEUE_DEPTH);
- /* Firmware maintains additional facts->HighPriorityCredit number of
- * credits for HiPriprity Request messages, so hba queue depth will be
- * sum of max_request_credit and high priority queue depth.
- */
- ioc->hba_queue_depth = max_request_credit + ioc->hi_priority_depth;
- /* request frame size */
- ioc->request_sz = facts->IOCRequestFrameSize * 4;
- /* reply frame size */
- ioc->reply_sz = facts->ReplyFrameSize * 4;
- /* chain segment size */
- if (ioc->hba_mpi_version_belonged != MPI2_VERSION) {
- if (facts->IOCMaxChainSegmentSize)
- ioc->chain_segment_sz =
- facts->IOCMaxChainSegmentSize *
- MAX_CHAIN_ELEMT_SZ;
- else
- /* set to 128 bytes size if IOCMaxChainSegmentSize is zero */
- ioc->chain_segment_sz = DEFAULT_NUM_FWCHAIN_ELEMTS *
- MAX_CHAIN_ELEMT_SZ;
- } else
- ioc->chain_segment_sz = ioc->request_sz;
- /* calculate the max scatter element size */
- sge_size = max_t(u16, ioc->sge_size, ioc->sge_size_ieee);
- retry_allocation:
- total_sz = 0;
- /* calculate number of sg elements left over in the 1st frame */
- max_sge_elements = ioc->request_sz - ((sizeof(Mpi2SCSIIORequest_t) -
- sizeof(Mpi2SGEIOUnion_t)) + sge_size);
- ioc->max_sges_in_main_message = max_sge_elements/sge_size;
- /* now do the same for a chain buffer */
- max_sge_elements = ioc->chain_segment_sz - sge_size;
- ioc->max_sges_in_chain_message = max_sge_elements/sge_size;
- /*
- * MPT3SAS_SG_DEPTH = CONFIG_FUSION_MAX_SGE
- */
- chains_needed_per_io = ((ioc->shost->sg_tablesize -
- ioc->max_sges_in_main_message)/ioc->max_sges_in_chain_message)
- + 1;
- if (chains_needed_per_io > facts->MaxChainDepth) {
- chains_needed_per_io = facts->MaxChainDepth;
- ioc->shost->sg_tablesize = min_t(u16,
- ioc->max_sges_in_main_message + (ioc->max_sges_in_chain_message
- * chains_needed_per_io), ioc->shost->sg_tablesize);
- }
- ioc->chains_needed_per_io = chains_needed_per_io;
- /* reply free queue sizing - taking into account for 64 FW events */
- ioc->reply_free_queue_depth = ioc->hba_queue_depth + 64;
- /* calculate reply descriptor post queue depth */
- ioc->reply_post_queue_depth = ioc->hba_queue_depth +
- ioc->reply_free_queue_depth + 1 ;
- /* align the reply post queue on the next 16 count boundary */
- if (ioc->reply_post_queue_depth % 16)
- ioc->reply_post_queue_depth += 16 -
- (ioc->reply_post_queue_depth % 16);
- if (ioc->reply_post_queue_depth >
- facts->MaxReplyDescriptorPostQueueDepth) {
- ioc->reply_post_queue_depth =
- facts->MaxReplyDescriptorPostQueueDepth -
- (facts->MaxReplyDescriptorPostQueueDepth % 16);
- ioc->hba_queue_depth =
- ((ioc->reply_post_queue_depth - 64) / 2) - 1;
- ioc->reply_free_queue_depth = ioc->hba_queue_depth + 64;
- }
- dinitprintk(ioc, pr_info(MPT3SAS_FMT "scatter gather: " \
- "sge_in_main_msg(%d), sge_per_chain(%d), sge_per_io(%d), "
- "chains_per_io(%d)\n", ioc->name, ioc->max_sges_in_main_message,
- ioc->max_sges_in_chain_message, ioc->shost->sg_tablesize,
- ioc->chains_needed_per_io));
- /* reply post queue, 16 byte align */
- reply_post_free_sz = ioc->reply_post_queue_depth *
- sizeof(Mpi2DefaultReplyDescriptor_t);
- sz = reply_post_free_sz;
- if (_base_is_controller_msix_enabled(ioc) && !ioc->rdpq_array_enable)
- sz *= ioc->reply_queue_count;
- ioc->reply_post = kcalloc((ioc->rdpq_array_enable) ?
- (ioc->reply_queue_count):1,
- sizeof(struct reply_post_struct), GFP_KERNEL);
- if (!ioc->reply_post) {
- pr_err(MPT3SAS_FMT "reply_post_free pool: kcalloc failed\n",
- ioc->name);
- goto out;
- }
- ioc->reply_post_free_dma_pool = pci_pool_create("reply_post_free pool",
- ioc->pdev, sz, 16, 0);
- if (!ioc->reply_post_free_dma_pool) {
- pr_err(MPT3SAS_FMT
- "reply_post_free pool: pci_pool_create failed\n",
- ioc->name);
- goto out;
- }
- i = 0;
- do {
- ioc->reply_post[i].reply_post_free =
- pci_pool_alloc(ioc->reply_post_free_dma_pool,
- GFP_KERNEL,
- &ioc->reply_post[i].reply_post_free_dma);
- if (!ioc->reply_post[i].reply_post_free) {
- pr_err(MPT3SAS_FMT
- "reply_post_free pool: pci_pool_alloc failed\n",
- ioc->name);
- goto out;
- }
- memset(ioc->reply_post[i].reply_post_free, 0, sz);
- dinitprintk(ioc, pr_info(MPT3SAS_FMT
- "reply post free pool (0x%p): depth(%d),"
- "element_size(%d), pool_size(%d kB)\n", ioc->name,
- ioc->reply_post[i].reply_post_free,
- ioc->reply_post_queue_depth, 8, sz/1024));
- dinitprintk(ioc, pr_info(MPT3SAS_FMT
- "reply_post_free_dma = (0x%llx)\n", ioc->name,
- (unsigned long long)
- ioc->reply_post[i].reply_post_free_dma));
- total_sz += sz;
- } while (ioc->rdpq_array_enable && (++i < ioc->reply_queue_count));
- if (ioc->dma_mask == 64) {
- if (_base_change_consistent_dma_mask(ioc, ioc->pdev) != 0) {
- pr_warn(MPT3SAS_FMT
- "no suitable consistent DMA mask for %s\n",
- ioc->name, pci_name(ioc->pdev));
- goto out;
- }
- }
- ioc->scsiio_depth = ioc->hba_queue_depth -
- ioc->hi_priority_depth - ioc->internal_depth;
- /* set the scsi host can_queue depth
- * with some internal commands that could be outstanding
- */
- ioc->shost->can_queue = ioc->scsiio_depth - INTERNAL_SCSIIO_CMDS_COUNT;
- dinitprintk(ioc, pr_info(MPT3SAS_FMT
- "scsi host: can_queue depth (%d)\n",
- ioc->name, ioc->shost->can_queue));
- /* contiguous pool for request and chains, 16 byte align, one extra "
- * "frame for smid=0
- */
- ioc->chain_depth = ioc->chains_needed_per_io * ioc->scsiio_depth;
- sz = ((ioc->scsiio_depth + 1) * ioc->request_sz);
- /* hi-priority queue */
- sz += (ioc->hi_priority_depth * ioc->request_sz);
- /* internal queue */
- sz += (ioc->internal_depth * ioc->request_sz);
- ioc->request_dma_sz = sz;
- ioc->request = pci_alloc_consistent(ioc->pdev, sz, &ioc->request_dma);
- if (!ioc->request) {
- pr_err(MPT3SAS_FMT "request pool: pci_alloc_consistent " \
- "failed: hba_depth(%d), chains_per_io(%d), frame_sz(%d), "
- "total(%d kB)\n", ioc->name, ioc->hba_queue_depth,
- ioc->chains_needed_per_io, ioc->request_sz, sz/1024);
- if (ioc->scsiio_depth < MPT3SAS_SAS_QUEUE_DEPTH)
- goto out;
- retry_sz = 64;
- ioc->hba_queue_depth -= retry_sz;
- _base_release_memory_pools(ioc);
- goto retry_allocation;
- }
- if (retry_sz)
- pr_err(MPT3SAS_FMT "request pool: pci_alloc_consistent " \
- "succeed: hba_depth(%d), chains_per_io(%d), frame_sz(%d), "
- "total(%d kb)\n", ioc->name, ioc->hba_queue_depth,
- ioc->chains_needed_per_io, ioc->request_sz, sz/1024);
- /* hi-priority queue */
- ioc->hi_priority = ioc->request + ((ioc->scsiio_depth + 1) *
- ioc->request_sz);
- ioc->hi_priority_dma = ioc->request_dma + ((ioc->scsiio_depth + 1) *
- ioc->request_sz);
- /* internal queue */
- ioc->internal = ioc->hi_priority + (ioc->hi_priority_depth *
- ioc->request_sz);
- ioc->internal_dma = ioc->hi_priority_dma + (ioc->hi_priority_depth *
- ioc->request_sz);
- dinitprintk(ioc, pr_info(MPT3SAS_FMT
- "request pool(0x%p): depth(%d), frame_size(%d), pool_size(%d kB)\n",
- ioc->name, ioc->request, ioc->hba_queue_depth, ioc->request_sz,
- (ioc->hba_queue_depth * ioc->request_sz)/1024));
- dinitprintk(ioc, pr_info(MPT3SAS_FMT "request pool: dma(0x%llx)\n",
- ioc->name, (unsigned long long) ioc->request_dma));
- total_sz += sz;
- sz = ioc->scsiio_depth * sizeof(struct scsiio_tracker);
- ioc->scsi_lookup_pages = get_order(sz);
- ioc->scsi_lookup = (struct scsiio_tracker *)__get_free_pages(
- GFP_KERNEL, ioc->scsi_lookup_pages);
- if (!ioc->scsi_lookup) {
- pr_err(MPT3SAS_FMT "scsi_lookup: get_free_pages failed, sz(%d)\n",
- ioc->name, (int)sz);
- goto out;
- }
- dinitprintk(ioc, pr_info(MPT3SAS_FMT "scsiio(0x%p): depth(%d)\n",
- ioc->name, ioc->request, ioc->scsiio_depth));
- ioc->chain_depth = min_t(u32, ioc->chain_depth, MAX_CHAIN_DEPTH);
- sz = ioc->chain_depth * sizeof(struct chain_tracker);
- ioc->chain_pages = get_order(sz);
- ioc->chain_lookup = (struct chain_tracker *)__get_free_pages(
- GFP_KERNEL, ioc->chain_pages);
- if (!ioc->chain_lookup) {
- pr_err(MPT3SAS_FMT "chain_lookup: __get_free_pages failed\n",
- ioc->name);
- goto out;
- }
- ioc->chain_dma_pool = pci_pool_create("chain pool", ioc->pdev,
- ioc->chain_segment_sz, 16, 0);
- if (!ioc->chain_dma_pool) {
- pr_err(MPT3SAS_FMT "chain_dma_pool: pci_pool_create failed\n",
- ioc->name);
- goto out;
- }
- for (i = 0; i < ioc->chain_depth; i++) {
- ioc->chain_lookup[i].chain_buffer = pci_pool_alloc(
- ioc->chain_dma_pool , GFP_KERNEL,
- &ioc->chain_lookup[i].chain_buffer_dma);
- if (!ioc->chain_lookup[i].chain_buffer) {
- ioc->chain_depth = i;
- goto chain_done;
- }
- total_sz += ioc->chain_segment_sz;
- }
- chain_done:
- dinitprintk(ioc, pr_info(MPT3SAS_FMT
- "chain pool depth(%d), frame_size(%d), pool_size(%d kB)\n",
- ioc->name, ioc->chain_depth, ioc->chain_segment_sz,
- ((ioc->chain_depth * ioc->chain_segment_sz))/1024));
- /* initialize hi-priority queue smid's */
- ioc->hpr_lookup = kcalloc(ioc->hi_priority_depth,
- sizeof(struct request_tracker), GFP_KERNEL);
- if (!ioc->hpr_lookup) {
- pr_err(MPT3SAS_FMT "hpr_lookup: kcalloc failed\n",
- ioc->name);
- goto out;
- }
- ioc->hi_priority_smid = ioc->scsiio_depth + 1;
- dinitprintk(ioc, pr_info(MPT3SAS_FMT
- "hi_priority(0x%p): depth(%d), start smid(%d)\n",
- ioc->name, ioc->hi_priority,
- ioc->hi_priority_depth, ioc->hi_priority_smid));
- /* initialize internal queue smid's */
- ioc->internal_lookup = kcalloc(ioc->internal_depth,
- sizeof(struct request_tracker), GFP_KERNEL);
- if (!ioc->internal_lookup) {
- pr_err(MPT3SAS_FMT "internal_lookup: kcalloc failed\n",
- ioc->name);
- goto out;
- }
- ioc->internal_smid = ioc->hi_priority_smid + ioc->hi_priority_depth;
- dinitprintk(ioc, pr_info(MPT3SAS_FMT
- "internal(0x%p): depth(%d), start smid(%d)\n",
- ioc->name, ioc->internal,
- ioc->internal_depth, ioc->internal_smid));
- /* sense buffers, 4 byte align */
- sz = ioc->scsiio_depth * SCSI_SENSE_BUFFERSIZE;
- ioc->sense_dma_pool = pci_pool_create("sense pool", ioc->pdev, sz, 4,
- 0);
- if (!ioc->sense_dma_pool) {
- pr_err(MPT3SAS_FMT "sense pool: pci_pool_create failed\n",
- ioc->name);
- goto out;
- }
- ioc->sense = pci_pool_alloc(ioc->sense_dma_pool , GFP_KERNEL,
- &ioc->sense_dma);
- if (!ioc->sense) {
- pr_err(MPT3SAS_FMT "sense pool: pci_pool_alloc failed\n",
- ioc->name);
- goto out;
- }
- dinitprintk(ioc, pr_info(MPT3SAS_FMT
- "sense pool(0x%p): depth(%d), element_size(%d), pool_size"
- "(%d kB)\n", ioc->name, ioc->sense, ioc->scsiio_depth,
- SCSI_SENSE_BUFFERSIZE, sz/1024));
- dinitprintk(ioc, pr_info(MPT3SAS_FMT "sense_dma(0x%llx)\n",
- ioc->name, (unsigned long long)ioc->sense_dma));
- total_sz += sz;
- /* reply pool, 4 byte align */
- sz = ioc->reply_free_queue_depth * ioc->reply_sz;
- ioc->reply_dma_pool = pci_pool_create("reply pool", ioc->pdev, sz, 4,
- 0);
- if (!ioc->reply_dma_pool) {
- pr_err(MPT3SAS_FMT "reply pool: pci_pool_create failed\n",
- ioc->name);
- goto out;
- }
- ioc->reply = pci_pool_alloc(ioc->reply_dma_pool , GFP_KERNEL,
- &ioc->reply_dma);
- if (!ioc->reply) {
- pr_err(MPT3SAS_FMT "reply pool: pci_pool_alloc failed\n",
- ioc->name);
- goto out;
- }
- ioc->reply_dma_min_address = (u32)(ioc->reply_dma);
- ioc->reply_dma_max_address = (u32)(ioc->reply_dma) + sz;
- dinitprintk(ioc, pr_info(MPT3SAS_FMT
- "reply pool(0x%p): depth(%d), frame_size(%d), pool_size(%d kB)\n",
- ioc->name, ioc->reply,
- ioc->reply_free_queue_depth, ioc->reply_sz, sz/1024));
- dinitprintk(ioc, pr_info(MPT3SAS_FMT "reply_dma(0x%llx)\n",
- ioc->name, (unsigned long long)ioc->reply_dma));
- total_sz += sz;
- /* reply free queue, 16 byte align */
- sz = ioc->reply_free_queue_depth * 4;
- ioc->reply_free_dma_pool = pci_pool_create("reply_free pool",
- ioc->pdev, sz, 16, 0);
- if (!ioc->reply_free_dma_pool) {
- pr_err(MPT3SAS_FMT "reply_free pool: pci_pool_create failed\n",
- ioc->name);
- goto out;
- }
- ioc->reply_free = pci_pool_alloc(ioc->reply_free_dma_pool , GFP_KERNEL,
- &ioc->reply_free_dma);
- if (!ioc->reply_free) {
- pr_err(MPT3SAS_FMT "reply_free pool: pci_pool_alloc failed\n",
- ioc->name);
- goto out;
- }
- memset(ioc->reply_free, 0, sz);
- dinitprintk(ioc, pr_info(MPT3SAS_FMT "reply_free pool(0x%p): " \
- "depth(%d), element_size(%d), pool_size(%d kB)\n", ioc->name,
- ioc->reply_free, ioc->reply_free_queue_depth, 4, sz/1024));
- dinitprintk(ioc, pr_info(MPT3SAS_FMT
- "reply_free_dma (0x%llx)\n",
- ioc->name, (unsigned long long)ioc->reply_free_dma));
- total_sz += sz;
- ioc->config_page_sz = 512;
- ioc->config_page = pci_alloc_consistent(ioc->pdev,
- ioc->config_page_sz, &ioc->config_page_dma);
- if (!ioc->config_page) {
- pr_err(MPT3SAS_FMT
- "config page: pci_pool_alloc failed\n",
- ioc->name);
- goto out;
- }
- dinitprintk(ioc, pr_info(MPT3SAS_FMT
- "config page(0x%p): size(%d)\n",
- ioc->name, ioc->config_page, ioc->config_page_sz));
- dinitprintk(ioc, pr_info(MPT3SAS_FMT "config_page_dma(0x%llx)\n",
- ioc->name, (unsigned long long)ioc->config_page_dma));
- total_sz += ioc->config_page_sz;
- pr_info(MPT3SAS_FMT "Allocated physical memory: size(%d kB)\n",
- ioc->name, total_sz/1024);
- pr_info(MPT3SAS_FMT
- "Current Controller Queue Depth(%d),Max Controller Queue Depth(%d)\n",
- ioc->name, ioc->shost->can_queue, facts->RequestCredit);
- pr_info(MPT3SAS_FMT "Scatter Gather Elements per IO(%d)\n",
- ioc->name, ioc->shost->sg_tablesize);
- return 0;
- out:
- return -ENOMEM;
- }
- /**
- * mpt3sas_base_get_iocstate - Get the current state of a MPT adapter.
- * @ioc: Pointer to MPT_ADAPTER structure
- * @cooked: Request raw or cooked IOC state
- *
- * Returns all IOC Doorbell register bits if cooked==0, else just the
- * Doorbell bits in MPI_IOC_STATE_MASK.
- */
- u32
- mpt3sas_base_get_iocstate(struct MPT3SAS_ADAPTER *ioc, int cooked)
- {
- u32 s, sc;
- s = readl(&ioc->chip->Doorbell);
- sc = s & MPI2_IOC_STATE_MASK;
- return cooked ? sc : s;
- }
- /**
- * _base_wait_on_iocstate - waiting on a particular ioc state
- * @ioc_state: controller state { READY, OPERATIONAL, or RESET }
- * @timeout: timeout in second
- *
- * Returns 0 for success, non-zero for failure.
- */
- static int
- _base_wait_on_iocstate(struct MPT3SAS_ADAPTER *ioc, u32 ioc_state, int timeout)
- {
- u32 count, cntdn;
- u32 current_state;
- count = 0;
- cntdn = 1000 * timeout;
- do {
- current_state = mpt3sas_base_get_iocstate(ioc, 1);
- if (current_state == ioc_state)
- return 0;
- if (count && current_state == MPI2_IOC_STATE_FAULT)
- break;
- usleep_range(1000, 1500);
- count++;
- } while (--cntdn);
- return current_state;
- }
- /**
- * _base_wait_for_doorbell_int - waiting for controller interrupt(generated by
- * a write to the doorbell)
- * @ioc: per adapter object
- * @timeout: timeout in second
- *
- * Returns 0 for success, non-zero for failure.
- *
- * Notes: MPI2_HIS_IOC2SYS_DB_STATUS - set to one when IOC writes to doorbell.
- */
- static int
- _base_diag_reset(struct MPT3SAS_ADAPTER *ioc);
- static int
- _base_wait_for_doorbell_int(struct MPT3SAS_ADAPTER *ioc, int timeout)
- {
- u32 cntdn, count;
- u32 int_status;
- count = 0;
- cntdn = 1000 * timeout;
- do {
- int_status = readl(&ioc->chip->HostInterruptStatus);
- if (int_status & MPI2_HIS_IOC2SYS_DB_STATUS) {
- dhsprintk(ioc, pr_info(MPT3SAS_FMT
- "%s: successful count(%d), timeout(%d)\n",
- ioc->name, __func__, count, timeout));
- return 0;
- }
- usleep_range(1000, 1500);
- count++;
- } while (--cntdn);
- pr_err(MPT3SAS_FMT
- "%s: failed due to timeout count(%d), int_status(%x)!\n",
- ioc->name, __func__, count, int_status);
- return -EFAULT;
- }
- static int
- _base_spin_on_doorbell_int(struct MPT3SAS_ADAPTER *ioc, int timeout)
- {
- u32 cntdn, count;
- u32 int_status;
- count = 0;
- cntdn = 2000 * timeout;
- do {
- int_status = readl(&ioc->chip->HostInterruptStatus);
- if (int_status & MPI2_HIS_IOC2SYS_DB_STATUS) {
- dhsprintk(ioc, pr_info(MPT3SAS_FMT
- "%s: successful count(%d), timeout(%d)\n",
- ioc->name, __func__, count, timeout));
- return 0;
- }
- udelay(500);
- count++;
- } while (--cntdn);
- pr_err(MPT3SAS_FMT
- "%s: failed due to timeout count(%d), int_status(%x)!\n",
- ioc->name, __func__, count, int_status);
- return -EFAULT;
- }
- /**
- * _base_wait_for_doorbell_ack - waiting for controller to read the doorbell.
- * @ioc: per adapter object
- * @timeout: timeout in second
- *
- * Returns 0 for success, non-zero for failure.
- *
- * Notes: MPI2_HIS_SYS2IOC_DB_STATUS - set to one when host writes to
- * doorbell.
- */
- static int
- _base_wait_for_doorbell_ack(struct MPT3SAS_ADAPTER *ioc, int timeout)
- {
- u32 cntdn, count;
- u32 int_status;
- u32 doorbell;
- count = 0;
- cntdn = 1000 * timeout;
- do {
- int_status = readl(&ioc->chip->HostInterruptStatus);
- if (!(int_status & MPI2_HIS_SYS2IOC_DB_STATUS)) {
- dhsprintk(ioc, pr_info(MPT3SAS_FMT
- "%s: successful count(%d), timeout(%d)\n",
- ioc->name, __func__, count, timeout));
- return 0;
- } else if (int_status & MPI2_HIS_IOC2SYS_DB_STATUS) {
- doorbell = readl(&ioc->chip->Doorbell);
- if ((doorbell & MPI2_IOC_STATE_MASK) ==
- MPI2_IOC_STATE_FAULT) {
- mpt3sas_base_fault_info(ioc , doorbell);
- return -EFAULT;
- }
- } else if (int_status == 0xFFFFFFFF)
- goto out;
- usleep_range(1000, 1500);
- count++;
- } while (--cntdn);
- out:
- pr_err(MPT3SAS_FMT
- "%s: failed due to timeout count(%d), int_status(%x)!\n",
- ioc->name, __func__, count, int_status);
- return -EFAULT;
- }
- /**
- * _base_wait_for_doorbell_not_used - waiting for doorbell to not be in use
- * @ioc: per adapter object
- * @timeout: timeout in second
- *
- * Returns 0 for success, non-zero for failure.
- *
- */
- static int
- _base_wait_for_doorbell_not_used(struct MPT3SAS_ADAPTER *ioc, int timeout)
- {
- u32 cntdn, count;
- u32 doorbell_reg;
- count = 0;
- cntdn = 1000 * timeout;
- do {
- doorbell_reg = readl(&ioc->chip->Doorbell);
- if (!(doorbell_reg & MPI2_DOORBELL_USED)) {
- dhsprintk(ioc, pr_info(MPT3SAS_FMT
- "%s: successful count(%d), timeout(%d)\n",
- ioc->name, __func__, count, timeout));
- return 0;
- }
- usleep_range(1000, 1500);
- count++;
- } while (--cntdn);
- pr_err(MPT3SAS_FMT
- "%s: failed due to timeout count(%d), doorbell_reg(%x)!\n",
- ioc->name, __func__, count, doorbell_reg);
- return -EFAULT;
- }
- /**
- * _base_send_ioc_reset - send doorbell reset
- * @ioc: per adapter object
- * @reset_type: currently only supports: MPI2_FUNCTION_IOC_MESSAGE_UNIT_RESET
- * @timeout: timeout in second
- *
- * Returns 0 for success, non-zero for failure.
- */
- static int
- _base_send_ioc_reset(struct MPT3SAS_ADAPTER *ioc, u8 reset_type, int timeout)
- {
- u32 ioc_state;
- int r = 0;
- if (reset_type != MPI2_FUNCTION_IOC_MESSAGE_UNIT_RESET) {
- pr_err(MPT3SAS_FMT "%s: unknown reset_type\n",
- ioc->name, __func__);
- return -EFAULT;
- }
- if (!(ioc->facts.IOCCapabilities &
- MPI2_IOCFACTS_CAPABILITY_EVENT_REPLAY))
- return -EFAULT;
- pr_info(MPT3SAS_FMT "sending message unit reset !!\n", ioc->name);
- writel(reset_type << MPI2_DOORBELL_FUNCTION_SHIFT,
- &ioc->chip->Doorbell);
- if ((_base_wait_for_doorbell_ack(ioc, 15))) {
- r = -EFAULT;
- goto out;
- }
- ioc_state = _base_wait_on_iocstate(ioc, MPI2_IOC_STATE_READY, timeout);
- if (ioc_state) {
- pr_err(MPT3SAS_FMT
- "%s: failed going to ready state (ioc_state=0x%x)\n",
- ioc->name, __func__, ioc_state);
- r = -EFAULT;
- goto out;
- }
- out:
- pr_info(MPT3SAS_FMT "message unit reset: %s\n",
- ioc->name, ((r == 0) ? "SUCCESS" : "FAILED"));
- return r;
- }
- /**
- * _base_handshake_req_reply_wait - send request thru doorbell interface
- * @ioc: per adapter object
- * @request_bytes: request length
- * @request: pointer having request payload
- * @reply_bytes: reply length
- * @reply: pointer to reply payload
- * @timeout: timeout in second
- *
- * Returns 0 for success, non-zero for failure.
- */
- static int
- _base_handshake_req_reply_wait(struct MPT3SAS_ADAPTER *ioc, int request_bytes,
- u32 *request, int reply_bytes, u16 *reply, int timeout)
- {
- MPI2DefaultReply_t *default_reply = (MPI2DefaultReply_t *)reply;
- int i;
- u8 failed;
- __le32 *mfp;
- /* make sure doorbell is not in use */
- if ((readl(&ioc->chip->Doorbell) & MPI2_DOORBELL_USED)) {
- pr_err(MPT3SAS_FMT
- "doorbell is in use (line=%d)\n",
- ioc->name, __LINE__);
- return -EFAULT;
- }
- /* clear pending doorbell interrupts from previous state changes */
- if (readl(&ioc->chip->HostInterruptStatus) &
- MPI2_HIS_IOC2SYS_DB_STATUS)
- writel(0, &ioc->chip->HostInterruptStatus);
- /* send message to ioc */
- writel(((MPI2_FUNCTION_HANDSHAKE<<MPI2_DOORBELL_FUNCTION_SHIFT) |
- ((request_bytes/4)<<MPI2_DOORBELL_ADD_DWORDS_SHIFT)),
- &ioc->chip->Doorbell);
- if ((_base_spin_on_doorbell_int(ioc, 5))) {
- pr_err(MPT3SAS_FMT
- "doorbell handshake int failed (line=%d)\n",
- ioc->name, __LINE__);
- return -EFAULT;
- }
- writel(0, &ioc->chip->HostInterruptStatus);
- if ((_base_wait_for_doorbell_ack(ioc, 5))) {
- pr_err(MPT3SAS_FMT
- "doorbell handshake ack failed (line=%d)\n",
- ioc->name, __LINE__);
- return -EFAULT;
- }
- /* send message 32-bits at a time */
- for (i = 0, failed = 0; i < request_bytes/4 && !failed; i++) {
- writel(cpu_to_le32(request[i]), &ioc->chip->Doorbell);
- if ((_base_wait_for_doorbell_ack(ioc, 5)))
- failed = 1;
- }
- if (failed) {
- pr_err(MPT3SAS_FMT
- "doorbell handshake sending request failed (line=%d)\n",
- ioc->name, __LINE__);
- return -EFAULT;
- }
- /* now wait for the reply */
- if ((_base_wait_for_doorbell_int(ioc, timeout))) {
- pr_err(MPT3SAS_FMT
- "doorbell handshake int failed (line=%d)\n",
- ioc->name, __LINE__);
- return -EFAULT;
- }
- /* read the first two 16-bits, it gives the total length of the reply */
- reply[0] = le16_to_cpu(readl(&ioc->chip->Doorbell)
- & MPI2_DOORBELL_DATA_MASK);
- writel(0, &ioc->chip->HostInterruptStatus);
- if ((_base_wait_for_doorbell_int(ioc, 5))) {
- pr_err(MPT3SAS_FMT
- "doorbell handshake int failed (line=%d)\n",
- ioc->name, __LINE__);
- return -EFAULT;
- }
- reply[1] = le16_to_cpu(readl(&ioc->chip->Doorbell)
- & MPI2_DOORBELL_DATA_MASK);
- writel(0, &ioc->chip->HostInterruptStatus);
- for (i = 2; i < default_reply->MsgLength * 2; i++) {
- if ((_base_wait_for_doorbell_int(ioc, 5))) {
- pr_err(MPT3SAS_FMT
- "doorbell handshake int failed (line=%d)\n",
- ioc->name, __LINE__);
- return -EFAULT;
- }
- if (i >= reply_bytes/2) /* overflow case */
- readl(&ioc->chip->Doorbell);
- else
- reply[i] = le16_to_cpu(readl(&ioc->chip->Doorbell)
- & MPI2_DOORBELL_DATA_MASK);
- writel(0, &ioc->chip->HostInterruptStatus);
- }
- _base_wait_for_doorbell_int(ioc, 5);
- if (_base_wait_for_doorbell_not_used(ioc, 5) != 0) {
- dhsprintk(ioc, pr_info(MPT3SAS_FMT
- "doorbell is in use (line=%d)\n", ioc->name, __LINE__));
- }
- writel(0, &ioc->chip->HostInterruptStatus);
- if (ioc->logging_level & MPT_DEBUG_INIT) {
- mfp = (__le32 *)reply;
- pr_info("\toffset:data\n");
- for (i = 0; i < reply_bytes/4; i++)
- pr_info("\t[0x%02x]:%08x\n", i*4,
- le32_to_cpu(mfp[i]));
- }
- return 0;
- }
- /**
- * mpt3sas_base_sas_iounit_control - send sas iounit control to FW
- * @ioc: per adapter object
- * @mpi_reply: the reply payload from FW
- * @mpi_request: the request payload sent to FW
- *
- * The SAS IO Unit Control Request message allows the host to perform low-level
- * operations, such as resets on the PHYs of the IO Unit, also allows the host
- * to obtain the IOC assigned device handles for a device if it has other
- * identifying information about the device, in addition allows the host to
- * remove IOC resources associated with the device.
- *
- * Returns 0 for success, non-zero for failure.
- */
- int
- mpt3sas_base_sas_iounit_control(struct MPT3SAS_ADAPTER *ioc,
- Mpi2SasIoUnitControlReply_t *mpi_reply,
- Mpi2SasIoUnitControlRequest_t *mpi_request)
- {
- u16 smid;
- u32 ioc_state;
- bool issue_reset = false;
- int rc;
- void *request;
- u16 wait_state_count;
- dinitprintk(ioc, pr_info(MPT3SAS_FMT "%s\n", ioc->name,
- __func__));
- mutex_lock(&ioc->base_cmds.mutex);
- if (ioc->base_cmds.status != MPT3_CMD_NOT_USED) {
- pr_err(MPT3SAS_FMT "%s: base_cmd in use\n",
- ioc->name, __func__);
- rc = -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__);
- rc = -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);
- }
- smid = mpt3sas_base_get_smid(ioc, ioc->base_cb_idx);
- if (!smid) {
- pr_err(MPT3SAS_FMT "%s: failed obtaining a smid\n",
- ioc->name, __func__);
- rc = -EAGAIN;
- goto out;
- }
- rc = 0;
- ioc->base_cmds.status = MPT3_CMD_PENDING;
- request = mpt3sas_base_get_msg_frame(ioc, smid);
- ioc->base_cmds.smid = smid;
- memcpy(request, mpi_request, sizeof(Mpi2SasIoUnitControlRequest_t));
- if (mpi_request->Operation == MPI2_SAS_OP_PHY_HARD_RESET ||
- mpi_request->Operation == MPI2_SAS_OP_PHY_LINK_RESET)
- ioc->ioc_link_reset_in_progress = 1;
- init_completion(&ioc->base_cmds.done);
- mpt3sas_base_put_smid_default(ioc, smid);
- wait_for_completion_timeout(&ioc->base_cmds.done,
- msecs_to_jiffies(10000));
- if ((mpi_request->Operation == MPI2_SAS_OP_PHY_HARD_RESET ||
- mpi_request->Operation == MPI2_SAS_OP_PHY_LINK_RESET) &&
- ioc->ioc_link_reset_in_progress)
- ioc->ioc_link_reset_in_progress = 0;
- if (!(ioc->base_cmds.status & MPT3_CMD_COMPLETE)) {
- pr_err(MPT3SAS_FMT "%s: timeout\n",
- ioc->name, __func__);
- _debug_dump_mf(mpi_request,
- sizeof(Mpi2SasIoUnitControlRequest_t)/4);
- if (!(ioc->base_cmds.status & MPT3_CMD_RESET))
- issue_reset = true;
- goto issue_host_reset;
- }
- if (ioc->base_cmds.status & MPT3_CMD_REPLY_VALID)
- memcpy(mpi_reply, ioc->base_cmds.reply,
- sizeof(Mpi2SasIoUnitControlReply_t));
- else
- memset(mpi_reply, 0, sizeof(Mpi2SasIoUnitControlReply_t));
- ioc->base_cmds.status = MPT3_CMD_NOT_USED;
- goto out;
- issue_host_reset:
- if (issue_reset)
- mpt3sas_base_hard_reset_handler(ioc, FORCE_BIG_HAMMER);
- ioc->base_cmds.status = MPT3_CMD_NOT_USED;
- rc = -EFAULT;
- out:
- mutex_unlock(&ioc->base_cmds.mutex);
- return rc;
- }
- /**
- * mpt3sas_base_scsi_enclosure_processor - sending request to sep device
- * @ioc: per adapter object
- * @mpi_reply: the reply payload from FW
- * @mpi_request: the request payload sent to FW
- *
- * The SCSI Enclosure Processor request message causes the IOC to
- * communicate with SES devices to control LED status signals.
- *
- * Returns 0 for success, non-zero for failure.
- */
- int
- mpt3sas_base_scsi_enclosure_processor(struct MPT3SAS_ADAPTER *ioc,
- Mpi2SepReply_t *mpi_reply, Mpi2SepRequest_t *mpi_request)
- {
- u16 smid;
- u32 ioc_state;
- bool issue_reset = false;
- int rc;
- void *request;
- u16 wait_state_count;
- dinitprintk(ioc, pr_info(MPT3SAS_FMT "%s\n", ioc->name,
- __func__));
- mutex_lock(&ioc->base_cmds.mutex);
- if (ioc->base_cmds.status != MPT3_CMD_NOT_USED) {
- pr_err(MPT3SAS_FMT "%s: base_cmd in use\n",
- ioc->name, __func__);
- rc = -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__);
- rc = -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);
- }
- smid = mpt3sas_base_get_smid(ioc, ioc->base_cb_idx);
- if (!smid) {
- pr_err(MPT3SAS_FMT "%s: failed obtaining a smid\n",
- ioc->name, __func__);
- rc = -EAGAIN;
- goto out;
- }
- rc = 0;
- ioc->base_cmds.status = MPT3_CMD_PENDING;
- request = mpt3sas_base_get_msg_frame(ioc, smid);
- ioc->base_cmds.smid = smid;
- memcpy(request, mpi_request, sizeof(Mpi2SepReply_t));
- init_completion(&ioc->base_cmds.done);
- mpt3sas_base_put_smid_default(ioc, smid);
- wait_for_completion_timeout(&ioc->base_cmds.done,
- msecs_to_jiffies(10000));
- if (!(ioc->base_cmds.status & MPT3_CMD_COMPLETE)) {
- pr_err(MPT3SAS_FMT "%s: timeout\n",
- ioc->name, __func__);
- _debug_dump_mf(mpi_request,
- sizeof(Mpi2SepRequest_t)/4);
- if (!(ioc->base_cmds.status & MPT3_CMD_RESET))
- issue_reset = false;
- goto issue_host_reset;
- }
- if (ioc->base_cmds.status & MPT3_CMD_REPLY_VALID)
- memcpy(mpi_reply, ioc->base_cmds.reply,
- sizeof(Mpi2SepReply_t));
- else
- memset(mpi_reply, 0, sizeof(Mpi2SepReply_t));
- ioc->base_cmds.status = MPT3_CMD_NOT_USED;
- goto out;
- issue_host_reset:
- if (issue_reset)
- mpt3sas_base_hard_reset_handler(ioc, FORCE_BIG_HAMMER);
- ioc->base_cmds.status = MPT3_CMD_NOT_USED;
- rc = -EFAULT;
- out:
- mutex_unlock(&ioc->base_cmds.mutex);
- return rc;
- }
- /**
- * _base_get_port_facts - obtain port facts reply and save in ioc
- * @ioc: per adapter object
- *
- * Returns 0 for success, non-zero for failure.
- */
- static int
- _base_get_port_facts(struct MPT3SAS_ADAPTER *ioc, int port)
- {
- Mpi2PortFactsRequest_t mpi_request;
- Mpi2PortFactsReply_t mpi_reply;
- struct mpt3sas_port_facts *pfacts;
- int mpi_reply_sz, mpi_request_sz, r;
- dinitprintk(ioc, pr_info(MPT3SAS_FMT "%s\n", ioc->name,
- __func__));
- mpi_reply_sz = sizeof(Mpi2PortFactsReply_t);
- mpi_request_sz = sizeof(Mpi2PortFactsRequest_t);
- memset(&mpi_request, 0, mpi_request_sz);
- mpi_request.Function = MPI2_FUNCTION_PORT_FACTS;
- mpi_request.PortNumber = port;
- r = _base_handshake_req_reply_wait(ioc, mpi_request_sz,
- (u32 *)&mpi_request, mpi_reply_sz, (u16 *)&mpi_reply, 5);
- if (r != 0) {
- pr_err(MPT3SAS_FMT "%s: handshake failed (r=%d)\n",
- ioc->name, __func__, r);
- return r;
- }
- pfacts = &ioc->pfacts[port];
- memset(pfacts, 0, sizeof(struct mpt3sas_port_facts));
- pfacts->PortNumber = mpi_reply.PortNumber;
- pfacts->VP_ID = mpi_reply.VP_ID;
- pfacts->VF_ID = mpi_reply.VF_ID;
- pfacts->MaxPostedCmdBuffers =
- le16_to_cpu(mpi_reply.MaxPostedCmdBuffers);
- return 0;
- }
- /**
- * _base_wait_for_iocstate - Wait until the card is in READY or OPERATIONAL
- * @ioc: per adapter object
- * @timeout:
- *
- * Returns 0 for success, non-zero for failure.
- */
- static int
- _base_wait_for_iocstate(struct MPT3SAS_ADAPTER *ioc, int timeout)
- {
- u32 ioc_state;
- int rc;
- dinitprintk(ioc, printk(MPT3SAS_FMT "%s\n", ioc->name,
- __func__));
- if (ioc->pci_error_recovery) {
- dfailprintk(ioc, printk(MPT3SAS_FMT
- "%s: host in pci error recovery\n", ioc->name, __func__));
- return -EFAULT;
- }
- ioc_state = mpt3sas_base_get_iocstate(ioc, 0);
- dhsprintk(ioc, printk(MPT3SAS_FMT "%s: ioc_state(0x%08x)\n",
- ioc->name, __func__, ioc_state));
- if (((ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_READY) ||
- (ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_OPERATIONAL)
- return 0;
- if (ioc_state & MPI2_DOORBELL_USED) {
- dhsprintk(ioc, printk(MPT3SAS_FMT
- "unexpected doorbell active!\n", ioc->name));
- goto issue_diag_reset;
- }
- if ((ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT) {
- mpt3sas_base_fault_info(ioc, ioc_state &
- MPI2_DOORBELL_DATA_MASK);
- goto issue_diag_reset;
- }
- ioc_state = _base_wait_on_iocstate(ioc, MPI2_IOC_STATE_READY, timeout);
- if (ioc_state) {
- dfailprintk(ioc, printk(MPT3SAS_FMT
- "%s: failed going to ready state (ioc_state=0x%x)\n",
- ioc->name, __func__, ioc_state));
- return -EFAULT;
- }
- issue_diag_reset:
- rc = _base_diag_reset(ioc);
- return rc;
- }
- /**
- * _base_get_ioc_facts - obtain ioc facts reply and save in ioc
- * @ioc: per adapter object
- *
- * Returns 0 for success, non-zero for failure.
- */
- static int
- _base_get_ioc_facts(struct MPT3SAS_ADAPTER *ioc)
- {
- Mpi2IOCFactsRequest_t mpi_request;
- Mpi2IOCFactsReply_t mpi_reply;
- struct mpt3sas_facts *facts;
- int mpi_reply_sz, mpi_request_sz, r;
- dinitprintk(ioc, pr_info(MPT3SAS_FMT "%s\n", ioc->name,
- __func__));
- r = _base_wait_for_iocstate(ioc, 10);
- if (r) {
- dfailprintk(ioc, printk(MPT3SAS_FMT
- "%s: failed getting to correct state\n",
- ioc->name, __func__));
- return r;
- }
- mpi_reply_sz = sizeof(Mpi2IOCFactsReply_t);
- mpi_request_sz = sizeof(Mpi2IOCFactsRequest_t);
- memset(&mpi_request, 0, mpi_request_sz);
- mpi_request.Function = MPI2_FUNCTION_IOC_FACTS;
- r = _base_handshake_req_reply_wait(ioc, mpi_request_sz,
- (u32 *)&mpi_request, mpi_reply_sz, (u16 *)&mpi_reply, 5);
- if (r != 0) {
- pr_err(MPT3SAS_FMT "%s: handshake failed (r=%d)\n",
- ioc->name, __func__, r);
- return r;
- }
- facts = &ioc->facts;
- memset(facts, 0, sizeof(struct mpt3sas_facts));
- facts->MsgVersion = le16_to_cpu(mpi_reply.MsgVersion);
- facts->HeaderVersion = le16_to_cpu(mpi_reply.HeaderVersion);
- facts->VP_ID = mpi_reply.VP_ID;
- facts->VF_ID = mpi_reply.VF_ID;
- facts->IOCExceptions = le16_to_cpu(mpi_reply.IOCExceptions);
- facts->MaxChainDepth = mpi_reply.MaxChainDepth;
- facts->WhoInit = mpi_reply.WhoInit;
- facts->NumberOfPorts = mpi_reply.NumberOfPorts;
- facts->MaxMSIxVectors = mpi_reply.MaxMSIxVectors;
- facts->RequestCredit = le16_to_cpu(mpi_reply.RequestCredit);
- facts->MaxReplyDescriptorPostQueueDepth =
- le16_to_cpu(mpi_reply.MaxReplyDescriptorPostQueueDepth);
- facts->ProductID = le16_to_cpu(mpi_reply.ProductID);
- facts->IOCCapabilities = le32_to_cpu(mpi_reply.IOCCapabilities);
- if ((facts->IOCCapabilities & MPI2_IOCFACTS_CAPABILITY_INTEGRATED_RAID))
- ioc->ir_firmware = 1;
- if ((facts->IOCCapabilities &
- MPI2_IOCFACTS_CAPABILITY_RDPQ_ARRAY_CAPABLE))
- ioc->rdpq_array_capable = 1;
- facts->FWVersion.Word = le32_to_cpu(mpi_reply.FWVersion.Word);
- facts->IOCRequestFrameSize =
- le16_to_cpu(mpi_reply.IOCRequestFrameSize);
- if (ioc->hba_mpi_version_belonged != MPI2_VERSION) {
- facts->IOCMaxChainSegmentSize =
- le16_to_cpu(mpi_reply.IOCMaxChainSegmentSize);
- }
- facts->MaxInitiators = le16_to_cpu(mpi_reply.MaxInitiators);
- facts->MaxTargets = le16_to_cpu(mpi_reply.MaxTargets);
- ioc->shost->max_id = -1;
- facts->MaxSasExpanders = le16_to_cpu(mpi_reply.MaxSasExpanders);
- facts->MaxEnclosures = le16_to_cpu(mpi_reply.MaxEnclosures);
- facts->ProtocolFlags = le16_to_cpu(mpi_reply.ProtocolFlags);
- facts->HighPriorityCredit =
- le16_to_cpu(mpi_reply.HighPriorityCredit);
- facts->ReplyFrameSize = mpi_reply.ReplyFrameSize;
- facts->MaxDevHandle = le16_to_cpu(mpi_reply.MaxDevHandle);
- dinitprintk(ioc, pr_info(MPT3SAS_FMT
- "hba queue depth(%d), max chains per io(%d)\n",
- ioc->name, facts->RequestCredit,
- facts->MaxChainDepth));
- dinitprintk(ioc, pr_info(MPT3SAS_FMT
- "request frame size(%d), reply frame size(%d)\n", ioc->name,
- facts->IOCRequestFrameSize * 4, facts->ReplyFrameSize * 4));
- return 0;
- }
- /**
- * _base_send_ioc_init - send ioc_init to firmware
- * @ioc: per adapter object
- *
- * Returns 0 for success, non-zero for failure.
- */
- static int
- _base_send_ioc_init(struct MPT3SAS_ADAPTER *ioc)
- {
- Mpi2IOCInitRequest_t mpi_request;
- Mpi2IOCInitReply_t mpi_reply;
- int i, r = 0;
- ktime_t current_time;
- u16 ioc_status;
- u32 reply_post_free_array_sz = 0;
- Mpi2IOCInitRDPQArrayEntry *reply_post_free_array = NULL;
- dma_addr_t reply_post_free_array_dma;
- dinitprintk(ioc, pr_info(MPT3SAS_FMT "%s\n", ioc->name,
- __func__));
- memset(&mpi_request, 0, sizeof(Mpi2IOCInitRequest_t));
- mpi_request.Function = MPI2_FUNCTION_IOC_INIT;
- mpi_request.WhoInit = MPI2_WHOINIT_HOST_DRIVER;
- mpi_request.VF_ID = 0; /* TODO */
- mpi_request.VP_ID = 0;
- mpi_request.MsgVersion = cpu_to_le16(ioc->hba_mpi_version_belonged);
- mpi_request.HeaderVersion = cpu_to_le16(MPI2_HEADER_VERSION);
- if (_base_is_controller_msix_enabled(ioc))
- mpi_request.HostMSIxVectors = ioc->reply_queue_count;
- mpi_request.SystemRequestFrameSize = cpu_to_le16(ioc->request_sz/4);
- mpi_request.ReplyDescriptorPostQueueDepth =
- cpu_to_le16(ioc->reply_post_queue_depth);
- mpi_request.ReplyFreeQueueDepth =
- cpu_to_le16(ioc->reply_free_queue_depth);
- mpi_request.SenseBufferAddressHigh =
- cpu_to_le32((u64)ioc->sense_dma >> 32);
- mpi_request.SystemReplyAddressHigh =
- cpu_to_le32((u64)ioc->reply_dma >> 32);
- mpi_request.SystemRequestFrameBaseAddress =
- cpu_to_le64((u64)ioc->request_dma);
- mpi_request.ReplyFreeQueueAddress =
- cpu_to_le64((u64)ioc->reply_free_dma);
- if (ioc->rdpq_array_enable) {
- reply_post_free_array_sz = ioc->reply_queue_count *
- sizeof(Mpi2IOCInitRDPQArrayEntry);
- reply_post_free_array = pci_alloc_consistent(ioc->pdev,
- reply_post_free_array_sz, &reply_post_free_array_dma);
- if (!reply_post_free_array) {
- pr_err(MPT3SAS_FMT
- "reply_post_free_array: pci_alloc_consistent failed\n",
- ioc->name);
- r = -ENOMEM;
- goto out;
- }
- memset(reply_post_free_array, 0, reply_post_free_array_sz);
- for (i = 0; i < ioc->reply_queue_count; i++)
- reply_post_free_array[i].RDPQBaseAddress =
- cpu_to_le64(
- (u64)ioc->reply_post[i].reply_post_free_dma);
- mpi_request.MsgFlags = MPI2_IOCINIT_MSGFLAG_RDPQ_ARRAY_MODE;
- mpi_request.ReplyDescriptorPostQueueAddress =
- cpu_to_le64((u64)reply_post_free_array_dma);
- } else {
- mpi_request.ReplyDescriptorPostQueueAddress =
- cpu_to_le64((u64)ioc->reply_post[0].reply_post_free_dma);
- }
- /* This time stamp specifies number of milliseconds
- * since epoch ~ midnight January 1, 1970.
- */
- current_time = ktime_get_real();
- mpi_request.TimeStamp = cpu_to_le64(ktime_to_ms(current_time));
- if (ioc->logging_level & MPT_DEBUG_INIT) {
- __le32 *mfp;
- int i;
- mfp = (__le32 *)&mpi_request;
- pr_info("\toffset:data\n");
- for (i = 0; i < sizeof(Mpi2IOCInitRequest_t)/4; i++)
- pr_info("\t[0x%02x]:%08x\n", i*4,
- le32_to_cpu(mfp[i]));
- }
- r = _base_handshake_req_reply_wait(ioc,
- sizeof(Mpi2IOCInitRequest_t), (u32 *)&mpi_request,
- sizeof(Mpi2IOCInitReply_t), (u16 *)&mpi_reply, 10);
- if (r != 0) {
- pr_err(MPT3SAS_FMT "%s: handshake failed (r=%d)\n",
- ioc->name, __func__, r);
- goto out;
- }
- ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & MPI2_IOCSTATUS_MASK;
- if (ioc_status != MPI2_IOCSTATUS_SUCCESS ||
- mpi_reply.IOCLogInfo) {
- pr_err(MPT3SAS_FMT "%s: failed\n", ioc->name, __func__);
- r = -EIO;
- }
- out:
- if (reply_post_free_array)
- pci_free_consistent(ioc->pdev, reply_post_free_array_sz,
- reply_post_free_array,
- reply_post_free_array_dma);
- return r;
- }
- /**
- * mpt3sas_port_enable_done - command completion routine for port enable
- * @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)
- *
- * Return 1 meaning mf should be freed from _base_interrupt
- * 0 means the mf is freed from this function.
- */
- u8
- mpt3sas_port_enable_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
- u32 reply)
- {
- MPI2DefaultReply_t *mpi_reply;
- u16 ioc_status;
- if (ioc->port_enable_cmds.status == MPT3_CMD_NOT_USED)
- return 1;
- mpi_reply = mpt3sas_base_get_reply_virt_addr(ioc, reply);
- if (!mpi_reply)
- return 1;
- if (mpi_reply->Function != MPI2_FUNCTION_PORT_ENABLE)
- return 1;
- ioc->port_enable_cmds.status &= ~MPT3_CMD_PENDING;
- ioc->port_enable_cmds.status |= MPT3_CMD_COMPLETE;
- ioc->port_enable_cmds.status |= MPT3_CMD_REPLY_VALID;
- memcpy(ioc->port_enable_cmds.reply, mpi_reply, mpi_reply->MsgLength*4);
- ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & MPI2_IOCSTATUS_MASK;
- if (ioc_status != MPI2_IOCSTATUS_SUCCESS)
- ioc->port_enable_failed = 1;
- if (ioc->is_driver_loading) {
- if (ioc_status == MPI2_IOCSTATUS_SUCCESS) {
- mpt3sas_port_enable_complete(ioc);
- return 1;
- } else {
- ioc->start_scan_failed = ioc_status;
- ioc->start_scan = 0;
- return 1;
- }
- }
- complete(&ioc->port_enable_cmds.done);
- return 1;
- }
- /**
- * _base_send_port_enable - send port_enable(discovery stuff) to firmware
- * @ioc: per adapter object
- *
- * Returns 0 for success, non-zero for failure.
- */
- static int
- _base_send_port_enable(struct MPT3SAS_ADAPTER *ioc)
- {
- Mpi2PortEnableRequest_t *mpi_request;
- Mpi2PortEnableReply_t *mpi_reply;
- int r = 0;
- u16 smid;
- u16 ioc_status;
- pr_info(MPT3SAS_FMT "sending port enable !!\n", ioc->name);
- if (ioc->port_enable_cmds.status & MPT3_CMD_PENDING) {
- pr_err(MPT3SAS_FMT "%s: internal command already in use\n",
- ioc->name, __func__);
- return -EAGAIN;
- }
- smid = mpt3sas_base_get_smid(ioc, ioc->port_enable_cb_idx);
- if (!smid) {
- pr_err(MPT3SAS_FMT "%s: failed obtaining a smid\n",
- ioc->name, __func__);
- return -EAGAIN;
- }
- ioc->port_enable_cmds.status = MPT3_CMD_PENDING;
- mpi_request = mpt3sas_base_get_msg_frame(ioc, smid);
- ioc->port_enable_cmds.smid = smid;
- memset(mpi_request, 0, sizeof(Mpi2PortEnableRequest_t));
- mpi_request->Function = MPI2_FUNCTION_PORT_ENABLE;
- init_completion(&ioc->port_enable_cmds.done);
- mpt3sas_base_put_smid_default(ioc, smid);
- wait_for_completion_timeout(&ioc->port_enable_cmds.done, 300*HZ);
- if (!(ioc->port_enable_cmds.status & MPT3_CMD_COMPLETE)) {
- pr_err(MPT3SAS_FMT "%s: timeout\n",
- ioc->name, __func__);
- _debug_dump_mf(mpi_request,
- sizeof(Mpi2PortEnableRequest_t)/4);
- if (ioc->port_enable_cmds.status & MPT3_CMD_RESET)
- r = -EFAULT;
- else
- r = -ETIME;
- goto out;
- }
- mpi_reply = ioc->port_enable_cmds.reply;
- ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & MPI2_IOCSTATUS_MASK;
- if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
- pr_err(MPT3SAS_FMT "%s: failed with (ioc_status=0x%08x)\n",
- ioc->name, __func__, ioc_status);
- r = -EFAULT;
- goto out;
- }
- out:
- ioc->port_enable_cmds.status = MPT3_CMD_NOT_USED;
- pr_info(MPT3SAS_FMT "port enable: %s\n", ioc->name, ((r == 0) ?
- "SUCCESS" : "FAILED"));
- return r;
- }
- /**
- * mpt3sas_port_enable - initiate firmware discovery (don't wait for reply)
- * @ioc: per adapter object
- *
- * Returns 0 for success, non-zero for failure.
- */
- int
- mpt3sas_port_enable(struct MPT3SAS_ADAPTER *ioc)
- {
- Mpi2PortEnableRequest_t *mpi_request;
- u16 smid;
- pr_info(MPT3SAS_FMT "sending port enable !!\n", ioc->name);
- if (ioc->port_enable_cmds.status & MPT3_CMD_PENDING) {
- pr_err(MPT3SAS_FMT "%s: internal command already in use\n",
- ioc->name, __func__);
- return -EAGAIN;
- }
- smid = mpt3sas_base_get_smid(ioc, ioc->port_enable_cb_idx);
- if (!smid) {
- pr_err(MPT3SAS_FMT "%s: failed obtaining a smid\n",
- ioc->name, __func__);
- return -EAGAIN;
- }
- ioc->port_enable_cmds.status = MPT3_CMD_PENDING;
- mpi_request = mpt3sas_base_get_msg_frame(ioc, smid);
- ioc->port_enable_cmds.smid = smid;
- memset(mpi_request, 0, sizeof(Mpi2PortEnableRequest_t));
- mpi_request->Function = MPI2_FUNCTION_PORT_ENABLE;
- mpt3sas_base_put_smid_default(ioc, smid);
- return 0;
- }
- /**
- * _base_determine_wait_on_discovery - desposition
- * @ioc: per adapter object
- *
- * Decide whether to wait on discovery to complete. Used to either
- * locate boot device, or report volumes ahead of physical devices.
- *
- * Returns 1 for wait, 0 for don't wait
- */
- static int
- _base_determine_wait_on_discovery(struct MPT3SAS_ADAPTER *ioc)
- {
- /* We wait for discovery to complete if IR firmware is loaded.
- * The sas topology events arrive before PD events, so we need time to
- * turn on the bit in ioc->pd_handles to indicate PD
- * Also, it maybe required to report Volumes ahead of physical
- * devices when MPI2_IOCPAGE8_IRFLAGS_LOW_VOLUME_MAPPING is set.
- */
- if (ioc->ir_firmware)
- return 1;
- /* if no Bios, then we don't need to wait */
- if (!ioc->bios_pg3.BiosVersion)
- return 0;
- /* Bios is present, then we drop down here.
- *
- * If there any entries in the Bios Page 2, then we wait
- * for discovery to complete.
- */
- /* Current Boot Device */
- if ((ioc->bios_pg2.CurrentBootDeviceForm &
- MPI2_BIOSPAGE2_FORM_MASK) ==
- MPI2_BIOSPAGE2_FORM_NO_DEVICE_SPECIFIED &&
- /* Request Boot Device */
- (ioc->bios_pg2.ReqBootDeviceForm &
- MPI2_BIOSPAGE2_FORM_MASK) ==
- MPI2_BIOSPAGE2_FORM_NO_DEVICE_SPECIFIED &&
- /* Alternate Request Boot Device */
- (ioc->bios_pg2.ReqAltBootDeviceForm &
- MPI2_BIOSPAGE2_FORM_MASK) ==
- MPI2_BIOSPAGE2_FORM_NO_DEVICE_SPECIFIED)
- return 0;
- return 1;
- }
- /**
- * _base_unmask_events - turn on notification for this event
- * @ioc: per adapter object
- * @event: firmware event
- *
- * The mask is stored in ioc->event_masks.
- */
- static void
- _base_unmask_events(struct MPT3SAS_ADAPTER *ioc, u16 event)
- {
- u32 desired_event;
- if (event >= 128)
- return;
- desired_event = (1 << (event % 32));
- if (event < 32)
- ioc->event_masks[0] &= ~desired_event;
- else if (event < 64)
- ioc->event_masks[1] &= ~desired_event;
- else if (event < 96)
- ioc->event_masks[2] &= ~desired_event;
- else if (event < 128)
- ioc->event_masks[3] &= ~desired_event;
- }
- /**
- * _base_event_notification - send event notification
- * @ioc: per adapter object
- *
- * Returns 0 for success, non-zero for failure.
- */
- static int
- _base_event_notification(struct MPT3SAS_ADAPTER *ioc)
- {
- Mpi2EventNotificationRequest_t *mpi_request;
- u16 smid;
- int r = 0;
- int i;
- dinitprintk(ioc, pr_info(MPT3SAS_FMT "%s\n", ioc->name,
- __func__));
- if (ioc->base_cmds.status & MPT3_CMD_PENDING) {
- pr_err(MPT3SAS_FMT "%s: internal command already in use\n",
- ioc->name, __func__);
- return -EAGAIN;
- }
- smid = mpt3sas_base_get_smid(ioc, ioc->base_cb_idx);
- if (!smid) {
- pr_err(MPT3SAS_FMT "%s: failed obtaining a smid\n",
- ioc->name, __func__);
- return -EAGAIN;
- }
- ioc->base_cmds.status = MPT3_CMD_PENDING;
- mpi_request = mpt3sas_base_get_msg_frame(ioc, smid);
- ioc->base_cmds.smid = smid;
- memset(mpi_request, 0, sizeof(Mpi2EventNotificationRequest_t));
- mpi_request->Function = MPI2_FUNCTION_EVENT_NOTIFICATION;
- mpi_request->VF_ID = 0; /* TODO */
- mpi_request->VP_ID = 0;
- for (i = 0; i < MPI2_EVENT_NOTIFY_EVENTMASK_WORDS; i++)
- mpi_request->EventMasks[i] =
- cpu_to_le32(ioc->event_masks[i]);
- init_completion(&ioc->base_cmds.done);
- mpt3sas_base_put_smid_default(ioc, smid);
- wait_for_completion_timeout(&ioc->base_cmds.done, 30*HZ);
- if (!(ioc->base_cmds.status & MPT3_CMD_COMPLETE)) {
- pr_err(MPT3SAS_FMT "%s: timeout\n",
- ioc->name, __func__);
- _debug_dump_mf(mpi_request,
- sizeof(Mpi2EventNotificationRequest_t)/4);
- if (ioc->base_cmds.status & MPT3_CMD_RESET)
- r = -EFAULT;
- else
- r = -ETIME;
- } else
- dinitprintk(ioc, pr_info(MPT3SAS_FMT "%s: complete\n",
- ioc->name, __func__));
- ioc->base_cmds.status = MPT3_CMD_NOT_USED;
- return r;
- }
- /**
- * mpt3sas_base_validate_event_type - validating event types
- * @ioc: per adapter object
- * @event: firmware event
- *
- * This will turn on firmware event notification when application
- * ask for that event. We don't mask events that are already enabled.
- */
- void
- mpt3sas_base_validate_event_type(struct MPT3SAS_ADAPTER *ioc, u32 *event_type)
- {
- int i, j;
- u32 event_mask, desired_event;
- u8 send_update_to_fw;
- for (i = 0, send_update_to_fw = 0; i <
- MPI2_EVENT_NOTIFY_EVENTMASK_WORDS; i++) {
- event_mask = ~event_type[i];
- desired_event = 1;
- for (j = 0; j < 32; j++) {
- if (!(event_mask & desired_event) &&
- (ioc->event_masks[i] & desired_event)) {
- ioc->event_masks[i] &= ~desired_event;
- send_update_to_fw = 1;
- }
- desired_event = (desired_event << 1);
- }
- }
- if (!send_update_to_fw)
- return;
- mutex_lock(&ioc->base_cmds.mutex);
- _base_event_notification(ioc);
- mutex_unlock(&ioc->base_cmds.mutex);
- }
- /**
- * _base_diag_reset - the "big hammer" start of day reset
- * @ioc: per adapter object
- *
- * Returns 0 for success, non-zero for failure.
- */
- static int
- _base_diag_reset(struct MPT3SAS_ADAPTER *ioc)
- {
- u32 host_diagnostic;
- u32 ioc_state;
- u32 count;
- u32 hcb_size;
- pr_info(MPT3SAS_FMT "sending diag reset !!\n", ioc->name);
- drsprintk(ioc, pr_info(MPT3SAS_FMT "clear interrupts\n",
- ioc->name));
- count = 0;
- do {
- /* Write magic sequence to WriteSequence register
- * Loop until in diagnostic mode
- */
- drsprintk(ioc, pr_info(MPT3SAS_FMT
- "write magic sequence\n", ioc->name));
- writel(MPI2_WRSEQ_FLUSH_KEY_VALUE, &ioc->chip->WriteSequence);
- writel(MPI2_WRSEQ_1ST_KEY_VALUE, &ioc->chip->WriteSequence);
- writel(MPI2_WRSEQ_2ND_KEY_VALUE, &ioc->chip->WriteSequence);
- writel(MPI2_WRSEQ_3RD_KEY_VALUE, &ioc->chip->WriteSequence);
- writel(MPI2_WRSEQ_4TH_KEY_VALUE, &ioc->chip->WriteSequence);
- writel(MPI2_WRSEQ_5TH_KEY_VALUE, &ioc->chip->WriteSequence);
- writel(MPI2_WRSEQ_6TH_KEY_VALUE, &ioc->chip->WriteSequence);
- /* wait 100 msec */
- msleep(100);
- if (count++ > 20)
- goto out;
- host_diagnostic = readl(&ioc->chip->HostDiagnostic);
- drsprintk(ioc, pr_info(MPT3SAS_FMT
- "wrote magic sequence: count(%d), host_diagnostic(0x%08x)\n",
- ioc->name, count, host_diagnostic));
- } while ((host_diagnostic & MPI2_DIAG_DIAG_WRITE_ENABLE) == 0);
- hcb_size = readl(&ioc->chip->HCBSize);
- drsprintk(ioc, pr_info(MPT3SAS_FMT "diag reset: issued\n",
- ioc->name));
- writel(host_diagnostic | MPI2_DIAG_RESET_ADAPTER,
- &ioc->chip->HostDiagnostic);
- /*This delay allows the chip PCIe hardware time to finish reset tasks*/
- msleep(MPI2_HARD_RESET_PCIE_FIRST_READ_DELAY_MICRO_SEC/1000);
- /* Approximately 300 second max wait */
- for (count = 0; count < (300000000 /
- MPI2_HARD_RESET_PCIE_SECOND_READ_DELAY_MICRO_SEC); count++) {
- host_diagnostic = readl(&ioc->chip->HostDiagnostic);
- if (host_diagnostic == 0xFFFFFFFF)
- goto out;
- if (!(host_diagnostic & MPI2_DIAG_RESET_ADAPTER))
- break;
- msleep(MPI2_HARD_RESET_PCIE_SECOND_READ_DELAY_MICRO_SEC / 1000);
- }
- if (host_diagnostic & MPI2_DIAG_HCB_MODE) {
- drsprintk(ioc, pr_info(MPT3SAS_FMT
- "restart the adapter assuming the HCB Address points to good F/W\n",
- ioc->name));
- host_diagnostic &= ~MPI2_DIAG_BOOT_DEVICE_SELECT_MASK;
- host_diagnostic |= MPI2_DIAG_BOOT_DEVICE_SELECT_HCDW;
- writel(host_diagnostic, &ioc->chip->HostDiagnostic);
- drsprintk(ioc, pr_info(MPT3SAS_FMT
- "re-enable the HCDW\n", ioc->name));
- writel(hcb_size | MPI2_HCB_SIZE_HCB_ENABLE,
- &ioc->chip->HCBSize);
- }
- drsprintk(ioc, pr_info(MPT3SAS_FMT "restart the adapter\n",
- ioc->name));
- writel(host_diagnostic & ~MPI2_DIAG_HOLD_IOC_RESET,
- &ioc->chip->HostDiagnostic);
- drsprintk(ioc, pr_info(MPT3SAS_FMT
- "disable writes to the diagnostic register\n", ioc->name));
- writel(MPI2_WRSEQ_FLUSH_KEY_VALUE, &ioc->chip->WriteSequence);
- drsprintk(ioc, pr_info(MPT3SAS_FMT
- "Wait for FW to go to the READY state\n", ioc->name));
- ioc_state = _base_wait_on_iocstate(ioc, MPI2_IOC_STATE_READY, 20);
- if (ioc_state) {
- pr_err(MPT3SAS_FMT
- "%s: failed going to ready state (ioc_state=0x%x)\n",
- ioc->name, __func__, ioc_state);
- goto out;
- }
- pr_info(MPT3SAS_FMT "diag reset: SUCCESS\n", ioc->name);
- return 0;
- out:
- pr_err(MPT3SAS_FMT "diag reset: FAILED\n", ioc->name);
- return -EFAULT;
- }
- /**
- * _base_make_ioc_ready - put controller in READY state
- * @ioc: per adapter object
- * @type: FORCE_BIG_HAMMER or SOFT_RESET
- *
- * Returns 0 for success, non-zero for failure.
- */
- static int
- _base_make_ioc_ready(struct MPT3SAS_ADAPTER *ioc, enum reset_type type)
- {
- u32 ioc_state;
- int rc;
- int count;
- dinitprintk(ioc, pr_info(MPT3SAS_FMT "%s\n", ioc->name,
- __func__));
- if (ioc->pci_error_recovery)
- return 0;
- ioc_state = mpt3sas_base_get_iocstate(ioc, 0);
- dhsprintk(ioc, pr_info(MPT3SAS_FMT "%s: ioc_state(0x%08x)\n",
- ioc->name, __func__, ioc_state));
- /* if in RESET state, it should move to READY state shortly */
- count = 0;
- if ((ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_RESET) {
- while ((ioc_state & MPI2_IOC_STATE_MASK) !=
- MPI2_IOC_STATE_READY) {
- if (count++ == 10) {
- pr_err(MPT3SAS_FMT
- "%s: failed going to ready state (ioc_state=0x%x)\n",
- ioc->name, __func__, ioc_state);
- return -EFAULT;
- }
- ssleep(1);
- ioc_state = mpt3sas_base_get_iocstate(ioc, 0);
- }
- }
- if ((ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_READY)
- return 0;
- if (ioc_state & MPI2_DOORBELL_USED) {
- dhsprintk(ioc, pr_info(MPT3SAS_FMT
- "unexpected doorbell active!\n",
- ioc->name));
- goto issue_diag_reset;
- }
- if ((ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT) {
- mpt3sas_base_fault_info(ioc, ioc_state &
- MPI2_DOORBELL_DATA_MASK);
- goto issue_diag_reset;
- }
- if (type == FORCE_BIG_HAMMER)
- goto issue_diag_reset;
- if ((ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_OPERATIONAL)
- if (!(_base_send_ioc_reset(ioc,
- MPI2_FUNCTION_IOC_MESSAGE_UNIT_RESET, 15))) {
- return 0;
- }
- issue_diag_reset:
- rc = _base_diag_reset(ioc);
- return rc;
- }
- /**
- * _base_make_ioc_operational - put controller in OPERATIONAL state
- * @ioc: per adapter object
- *
- * Returns 0 for success, non-zero for failure.
- */
- static int
- _base_make_ioc_operational(struct MPT3SAS_ADAPTER *ioc)
- {
- int r, i, index;
- unsigned long flags;
- u32 reply_address;
- u16 smid;
- struct _tr_list *delayed_tr, *delayed_tr_next;
- struct _sc_list *delayed_sc, *delayed_sc_next;
- struct _event_ack_list *delayed_event_ack, *delayed_event_ack_next;
- u8 hide_flag;
- struct adapter_reply_queue *reply_q;
- Mpi2ReplyDescriptorsUnion_t *reply_post_free_contig;
- dinitprintk(ioc, pr_info(MPT3SAS_FMT "%s\n", ioc->name,
- __func__));
- /* clean the delayed target reset list */
- list_for_each_entry_safe(delayed_tr, delayed_tr_next,
- &ioc->delayed_tr_list, list) {
- list_del(&delayed_tr->list);
- kfree(delayed_tr);
- }
- list_for_each_entry_safe(delayed_tr, delayed_tr_next,
- &ioc->delayed_tr_volume_list, list) {
- list_del(&delayed_tr->list);
- kfree(delayed_tr);
- }
- list_for_each_entry_safe(delayed_sc, delayed_sc_next,
- &ioc->delayed_sc_list, list) {
- list_del(&delayed_sc->list);
- kfree(delayed_sc);
- }
- list_for_each_entry_safe(delayed_event_ack, delayed_event_ack_next,
- &ioc->delayed_event_ack_list, list) {
- list_del(&delayed_event_ack->list);
- kfree(delayed_event_ack);
- }
- /* initialize the scsi lookup free list */
- spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
- INIT_LIST_HEAD(&ioc->free_list);
- smid = 1;
- for (i = 0; i < ioc->scsiio_depth; i++, smid++) {
- INIT_LIST_HEAD(&ioc->scsi_lookup[i].chain_list);
- ioc->scsi_lookup[i].cb_idx = 0xFF;
- ioc->scsi_lookup[i].smid = smid;
- ioc->scsi_lookup[i].scmd = NULL;
- ioc->scsi_lookup[i].direct_io = 0;
- list_add_tail(&ioc->scsi_lookup[i].tracker_list,
- &ioc->free_list);
- }
- /* hi-priority queue */
- INIT_LIST_HEAD(&ioc->hpr_free_list);
- smid = ioc->hi_priority_smid;
- for (i = 0; i < ioc->hi_priority_depth; i++, smid++) {
- ioc->hpr_lookup[i].cb_idx = 0xFF;
- ioc->hpr_lookup[i].smid = smid;
- list_add_tail(&ioc->hpr_lookup[i].tracker_list,
- &ioc->hpr_free_list);
- }
- /* internal queue */
- INIT_LIST_HEAD(&ioc->internal_free_list);
- smid = ioc->internal_smid;
- for (i = 0; i < ioc->internal_depth; i++, smid++) {
- ioc->internal_lookup[i].cb_idx = 0xFF;
- ioc->internal_lookup[i].smid = smid;
- list_add_tail(&ioc->internal_lookup[i].tracker_list,
- &ioc->internal_free_list);
- }
- /* chain pool */
- INIT_LIST_HEAD(&ioc->free_chain_list);
- for (i = 0; i < ioc->chain_depth; i++)
- list_add_tail(&ioc->chain_lookup[i].tracker_list,
- &ioc->free_chain_list);
- spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
- /* initialize Reply Free Queue */
- for (i = 0, reply_address = (u32)ioc->reply_dma ;
- i < ioc->reply_free_queue_depth ; i++, reply_address +=
- ioc->reply_sz)
- ioc->reply_free[i] = cpu_to_le32(reply_address);
- /* initialize reply queues */
- if (ioc->is_driver_loading)
- _base_assign_reply_queues(ioc);
- /* initialize Reply Post Free Queue */
- index = 0;
- reply_post_free_contig = ioc->reply_post[0].reply_post_free;
- list_for_each_entry(reply_q, &ioc->reply_queue_list, list) {
- /*
- * If RDPQ is enabled, switch to the next allocation.
- * Otherwise advance within the contiguous region.
- */
- if (ioc->rdpq_array_enable) {
- reply_q->reply_post_free =
- ioc->reply_post[index++].reply_post_free;
- } else {
- reply_q->reply_post_free = reply_post_free_contig;
- reply_post_free_contig += ioc->reply_post_queue_depth;
- }
- reply_q->reply_post_host_index = 0;
- for (i = 0; i < ioc->reply_post_queue_depth; i++)
- reply_q->reply_post_free[i].Words =
- cpu_to_le64(ULLONG_MAX);
- if (!_base_is_controller_msix_enabled(ioc))
- goto skip_init_reply_post_free_queue;
- }
- skip_init_reply_post_free_queue:
- r = _base_send_ioc_init(ioc);
- if (r)
- return r;
- /* initialize reply free host index */
- ioc->reply_free_host_index = ioc->reply_free_queue_depth - 1;
- writel(ioc->reply_free_host_index, &ioc->chip->ReplyFreeHostIndex);
- /* initialize reply post host index */
- list_for_each_entry(reply_q, &ioc->reply_queue_list, list) {
- if (ioc->msix96_vector)
- writel((reply_q->msix_index & 7)<<
- MPI2_RPHI_MSIX_INDEX_SHIFT,
- ioc->replyPostRegisterIndex[reply_q->msix_index/8]);
- else
- writel(reply_q->msix_index <<
- MPI2_RPHI_MSIX_INDEX_SHIFT,
- &ioc->chip->ReplyPostHostIndex);
- if (!_base_is_controller_msix_enabled(ioc))
- goto skip_init_reply_post_host_index;
- }
- skip_init_reply_post_host_index:
- _base_unmask_interrupts(ioc);
- r = _base_event_notification(ioc);
- if (r)
- return r;
- _base_static_config_pages(ioc);
- if (ioc->is_driver_loading) {
- if (ioc->is_warpdrive && ioc->manu_pg10.OEMIdentifier
- == 0x80) {
- hide_flag = (u8) (
- le32_to_cpu(ioc->manu_pg10.OEMSpecificFlags0) &
- MFG_PAGE10_HIDE_SSDS_MASK);
- if (hide_flag != MFG_PAGE10_HIDE_SSDS_MASK)
- ioc->mfg_pg10_hide_flag = hide_flag;
- }
- ioc->wait_for_discovery_to_complete =
- _base_determine_wait_on_discovery(ioc);
- return r; /* scan_start and scan_finished support */
- }
- r = _base_send_port_enable(ioc);
- if (r)
- return r;
- return r;
- }
- /**
- * mpt3sas_base_free_resources - free resources controller resources
- * @ioc: per adapter object
- *
- * Return nothing.
- */
- void
- mpt3sas_base_free_resources(struct MPT3SAS_ADAPTER *ioc)
- {
- dexitprintk(ioc, pr_info(MPT3SAS_FMT "%s\n", ioc->name,
- __func__));
- /* synchronizing freeing resource with pci_access_mutex lock */
- mutex_lock(&ioc->pci_access_mutex);
- if (ioc->chip_phys && ioc->chip) {
- _base_mask_interrupts(ioc);
- ioc->shost_recovery = 1;
- _base_make_ioc_ready(ioc, SOFT_RESET);
- ioc->shost_recovery = 0;
- }
- mpt3sas_base_unmap_resources(ioc);
- mutex_unlock(&ioc->pci_access_mutex);
- return;
- }
- /**
- * mpt3sas_base_attach - attach controller instance
- * @ioc: per adapter object
- *
- * Returns 0 for success, non-zero for failure.
- */
- int
- mpt3sas_base_attach(struct MPT3SAS_ADAPTER *ioc)
- {
- int r, i;
- int cpu_id, last_cpu_id = 0;
- dinitprintk(ioc, pr_info(MPT3SAS_FMT "%s\n", ioc->name,
- __func__));
- /* setup cpu_msix_table */
- ioc->cpu_count = num_online_cpus();
- for_each_online_cpu(cpu_id)
- last_cpu_id = cpu_id;
- ioc->cpu_msix_table_sz = last_cpu_id + 1;
- ioc->cpu_msix_table = kzalloc(ioc->cpu_msix_table_sz, GFP_KERNEL);
- ioc->reply_queue_count = 1;
- if (!ioc->cpu_msix_table) {
- dfailprintk(ioc, pr_info(MPT3SAS_FMT
- "allocation for cpu_msix_table failed!!!\n",
- ioc->name));
- r = -ENOMEM;
- goto out_free_resources;
- }
- if (ioc->is_warpdrive) {
- ioc->reply_post_host_index = kcalloc(ioc->cpu_msix_table_sz,
- sizeof(resource_size_t *), GFP_KERNEL);
- if (!ioc->reply_post_host_index) {
- dfailprintk(ioc, pr_info(MPT3SAS_FMT "allocation "
- "for cpu_msix_table failed!!!\n", ioc->name));
- r = -ENOMEM;
- goto out_free_resources;
- }
- }
- ioc->rdpq_array_enable_assigned = 0;
- ioc->dma_mask = 0;
- r = mpt3sas_base_map_resources(ioc);
- if (r)
- goto out_free_resources;
- pci_set_drvdata(ioc->pdev, ioc->shost);
- r = _base_get_ioc_facts(ioc);
- if (r)
- goto out_free_resources;
- switch (ioc->hba_mpi_version_belonged) {
- case MPI2_VERSION:
- ioc->build_sg_scmd = &_base_build_sg_scmd;
- ioc->build_sg = &_base_build_sg;
- ioc->build_zero_len_sge = &_base_build_zero_len_sge;
- break;
- case MPI25_VERSION:
- case MPI26_VERSION:
- /*
- * In SAS3.0,
- * SCSI_IO, SMP_PASSTHRU, SATA_PASSTHRU, Target Assist, and
- * Target Status - all require the IEEE formated scatter gather
- * elements.
- */
- ioc->build_sg_scmd = &_base_build_sg_scmd_ieee;
- ioc->build_sg = &_base_build_sg_ieee;
- ioc->build_zero_len_sge = &_base_build_zero_len_sge_ieee;
- ioc->sge_size_ieee = sizeof(Mpi2IeeeSgeSimple64_t);
- break;
- }
- /*
- * These function pointers for other requests that don't
- * the require IEEE scatter gather elements.
- *
- * For example Configuration Pages and SAS IOUNIT Control don't.
- */
- ioc->build_sg_mpi = &_base_build_sg;
- ioc->build_zero_len_sge_mpi = &_base_build_zero_len_sge;
- r = _base_make_ioc_ready(ioc, SOFT_RESET);
- if (r)
- goto out_free_resources;
- ioc->pfacts = kcalloc(ioc->facts.NumberOfPorts,
- sizeof(struct mpt3sas_port_facts), GFP_KERNEL);
- if (!ioc->pfacts) {
- r = -ENOMEM;
- goto out_free_resources;
- }
- for (i = 0 ; i < ioc->facts.NumberOfPorts; i++) {
- r = _base_get_port_facts(ioc, i);
- if (r)
- goto out_free_resources;
- }
- r = _base_allocate_memory_pools(ioc);
- if (r)
- goto out_free_resources;
- init_waitqueue_head(&ioc->reset_wq);
- /* allocate memory pd handle bitmask list */
- ioc->pd_handles_sz = (ioc->facts.MaxDevHandle / 8);
- if (ioc->facts.MaxDevHandle % 8)
- ioc->pd_handles_sz++;
- ioc->pd_handles = kzalloc(ioc->pd_handles_sz,
- GFP_KERNEL);
- if (!ioc->pd_handles) {
- r = -ENOMEM;
- goto out_free_resources;
- }
- ioc->blocking_handles = kzalloc(ioc->pd_handles_sz,
- GFP_KERNEL);
- if (!ioc->blocking_handles) {
- r = -ENOMEM;
- goto out_free_resources;
- }
- ioc->fwfault_debug = mpt3sas_fwfault_debug;
- /* base internal command bits */
- mutex_init(&ioc->base_cmds.mutex);
- ioc->base_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL);
- ioc->base_cmds.status = MPT3_CMD_NOT_USED;
- /* port_enable command bits */
- ioc->port_enable_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL);
- ioc->port_enable_cmds.status = MPT3_CMD_NOT_USED;
- /* transport internal command bits */
- ioc->transport_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL);
- ioc->transport_cmds.status = MPT3_CMD_NOT_USED;
- mutex_init(&ioc->transport_cmds.mutex);
- /* scsih internal command bits */
- ioc->scsih_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL);
- ioc->scsih_cmds.status = MPT3_CMD_NOT_USED;
- mutex_init(&ioc->scsih_cmds.mutex);
- /* task management internal command bits */
- ioc->tm_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL);
- ioc->tm_cmds.status = MPT3_CMD_NOT_USED;
- mutex_init(&ioc->tm_cmds.mutex);
- /* config page internal command bits */
- ioc->config_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL);
- ioc->config_cmds.status = MPT3_CMD_NOT_USED;
- mutex_init(&ioc->config_cmds.mutex);
- /* ctl module internal command bits */
- ioc->ctl_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL);
- ioc->ctl_cmds.sense = kzalloc(SCSI_SENSE_BUFFERSIZE, GFP_KERNEL);
- ioc->ctl_cmds.status = MPT3_CMD_NOT_USED;
- mutex_init(&ioc->ctl_cmds.mutex);
- if (!ioc->base_cmds.reply || !ioc->transport_cmds.reply ||
- !ioc->scsih_cmds.reply || !ioc->tm_cmds.reply ||
- !ioc->config_cmds.reply || !ioc->ctl_cmds.reply ||
- !ioc->ctl_cmds.sense) {
- r = -ENOMEM;
- goto out_free_resources;
- }
- for (i = 0; i < MPI2_EVENT_NOTIFY_EVENTMASK_WORDS; i++)
- ioc->event_masks[i] = -1;
- /* here we enable the events we care about */
- _base_unmask_events(ioc, MPI2_EVENT_SAS_DISCOVERY);
- _base_unmask_events(ioc, MPI2_EVENT_SAS_BROADCAST_PRIMITIVE);
- _base_unmask_events(ioc, MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST);
- _base_unmask_events(ioc, MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE);
- _base_unmask_events(ioc, MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE);
- _base_unmask_events(ioc, MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST);
- _base_unmask_events(ioc, MPI2_EVENT_IR_VOLUME);
- _base_unmask_events(ioc, MPI2_EVENT_IR_PHYSICAL_DISK);
- _base_unmask_events(ioc, MPI2_EVENT_IR_OPERATION_STATUS);
- _base_unmask_events(ioc, MPI2_EVENT_LOG_ENTRY_ADDED);
- _base_unmask_events(ioc, MPI2_EVENT_TEMP_THRESHOLD);
- if (ioc->hba_mpi_version_belonged == MPI26_VERSION)
- _base_unmask_events(ioc, MPI2_EVENT_ACTIVE_CABLE_EXCEPTION);
- r = _base_make_ioc_operational(ioc);
- if (r)
- goto out_free_resources;
- ioc->non_operational_loop = 0;
- return 0;
- out_free_resources:
- ioc->remove_host = 1;
- mpt3sas_base_free_resources(ioc);
- _base_release_memory_pools(ioc);
- pci_set_drvdata(ioc->pdev, NULL);
- kfree(ioc->cpu_msix_table);
- if (ioc->is_warpdrive)
- kfree(ioc->reply_post_host_index);
- kfree(ioc->pd_handles);
- kfree(ioc->blocking_handles);
- kfree(ioc->tm_cmds.reply);
- kfree(ioc->transport_cmds.reply);
- kfree(ioc->scsih_cmds.reply);
- kfree(ioc->config_cmds.reply);
- kfree(ioc->base_cmds.reply);
- kfree(ioc->port_enable_cmds.reply);
- kfree(ioc->ctl_cmds.reply);
- kfree(ioc->ctl_cmds.sense);
- kfree(ioc->pfacts);
- ioc->ctl_cmds.reply = NULL;
- ioc->base_cmds.reply = NULL;
- ioc->tm_cmds.reply = NULL;
- ioc->scsih_cmds.reply = NULL;
- ioc->transport_cmds.reply = NULL;
- ioc->config_cmds.reply = NULL;
- ioc->pfacts = NULL;
- return r;
- }
- /**
- * mpt3sas_base_detach - remove controller instance
- * @ioc: per adapter object
- *
- * Return nothing.
- */
- void
- mpt3sas_base_detach(struct MPT3SAS_ADAPTER *ioc)
- {
- dexitprintk(ioc, pr_info(MPT3SAS_FMT "%s\n", ioc->name,
- __func__));
- mpt3sas_base_stop_watchdog(ioc);
- mpt3sas_base_free_resources(ioc);
- _base_release_memory_pools(ioc);
- pci_set_drvdata(ioc->pdev, NULL);
- kfree(ioc->cpu_msix_table);
- if (ioc->is_warpdrive)
- kfree(ioc->reply_post_host_index);
- kfree(ioc->pd_handles);
- kfree(ioc->blocking_handles);
- kfree(ioc->pfacts);
- kfree(ioc->ctl_cmds.reply);
- kfree(ioc->ctl_cmds.sense);
- kfree(ioc->base_cmds.reply);
- kfree(ioc->port_enable_cmds.reply);
- kfree(ioc->tm_cmds.reply);
- kfree(ioc->transport_cmds.reply);
- kfree(ioc->scsih_cmds.reply);
- kfree(ioc->config_cmds.reply);
- }
- /**
- * _base_reset_handler - reset callback handler (for base)
- * @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
- *
- * Return nothing.
- */
- static void
- _base_reset_handler(struct MPT3SAS_ADAPTER *ioc, int reset_phase)
- {
- mpt3sas_scsih_reset_handler(ioc, reset_phase);
- mpt3sas_ctl_reset_handler(ioc, reset_phase);
- switch (reset_phase) {
- case MPT3_IOC_PRE_RESET:
- dtmprintk(ioc, pr_info(MPT3SAS_FMT
- "%s: MPT3_IOC_PRE_RESET\n", ioc->name, __func__));
- break;
- case MPT3_IOC_AFTER_RESET:
- dtmprintk(ioc, pr_info(MPT3SAS_FMT
- "%s: MPT3_IOC_AFTER_RESET\n", ioc->name, __func__));
- if (ioc->transport_cmds.status & MPT3_CMD_PENDING) {
- ioc->transport_cmds.status |= MPT3_CMD_RESET;
- mpt3sas_base_free_smid(ioc, ioc->transport_cmds.smid);
- complete(&ioc->transport_cmds.done);
- }
- if (ioc->base_cmds.status & MPT3_CMD_PENDING) {
- ioc->base_cmds.status |= MPT3_CMD_RESET;
- mpt3sas_base_free_smid(ioc, ioc->base_cmds.smid);
- complete(&ioc->base_cmds.done);
- }
- if (ioc->port_enable_cmds.status & MPT3_CMD_PENDING) {
- ioc->port_enable_failed = 1;
- ioc->port_enable_cmds.status |= MPT3_CMD_RESET;
- mpt3sas_base_free_smid(ioc, ioc->port_enable_cmds.smid);
- if (ioc->is_driver_loading) {
- ioc->start_scan_failed =
- MPI2_IOCSTATUS_INTERNAL_ERROR;
- ioc->start_scan = 0;
- ioc->port_enable_cmds.status =
- MPT3_CMD_NOT_USED;
- } else
- complete(&ioc->port_enable_cmds.done);
- }
- if (ioc->config_cmds.status & MPT3_CMD_PENDING) {
- ioc->config_cmds.status |= MPT3_CMD_RESET;
- mpt3sas_base_free_smid(ioc, ioc->config_cmds.smid);
- ioc->config_cmds.smid = USHRT_MAX;
- complete(&ioc->config_cmds.done);
- }
- break;
- case MPT3_IOC_DONE_RESET:
- dtmprintk(ioc, pr_info(MPT3SAS_FMT
- "%s: MPT3_IOC_DONE_RESET\n", ioc->name, __func__));
- break;
- }
- }
- /**
- * _wait_for_commands_to_complete - reset controller
- * @ioc: Pointer to MPT_ADAPTER structure
- *
- * This function waiting(3s) for all pending commands to complete
- * prior to putting controller in reset.
- */
- static void
- _wait_for_commands_to_complete(struct MPT3SAS_ADAPTER *ioc)
- {
- u32 ioc_state;
- unsigned long flags;
- u16 i;
- ioc->pending_io_count = 0;
- ioc_state = mpt3sas_base_get_iocstate(ioc, 0);
- if ((ioc_state & MPI2_IOC_STATE_MASK) != MPI2_IOC_STATE_OPERATIONAL)
- return;
- /* pending command count */
- spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
- for (i = 0; i < ioc->scsiio_depth; i++)
- if (ioc->scsi_lookup[i].cb_idx != 0xFF)
- ioc->pending_io_count++;
- spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
- if (!ioc->pending_io_count)
- return;
- /* wait for pending commands to complete */
- wait_event_timeout(ioc->reset_wq, ioc->pending_io_count == 0, 10 * HZ);
- }
- /**
- * mpt3sas_base_hard_reset_handler - reset controller
- * @ioc: Pointer to MPT_ADAPTER structure
- * @type: FORCE_BIG_HAMMER or SOFT_RESET
- *
- * Returns 0 for success, non-zero for failure.
- */
- int
- mpt3sas_base_hard_reset_handler(struct MPT3SAS_ADAPTER *ioc,
- enum reset_type type)
- {
- int r;
- unsigned long flags;
- u32 ioc_state;
- u8 is_fault = 0, is_trigger = 0;
- dtmprintk(ioc, pr_info(MPT3SAS_FMT "%s: enter\n", ioc->name,
- __func__));
- if (ioc->pci_error_recovery) {
- pr_err(MPT3SAS_FMT "%s: pci error recovery reset\n",
- ioc->name, __func__);
- r = 0;
- goto out_unlocked;
- }
- if (mpt3sas_fwfault_debug)
- mpt3sas_halt_firmware(ioc);
- /* wait for an active reset in progress to complete */
- if (!mutex_trylock(&ioc->reset_in_progress_mutex)) {
- do {
- ssleep(1);
- } while (ioc->shost_recovery == 1);
- dtmprintk(ioc, pr_info(MPT3SAS_FMT "%s: exit\n", ioc->name,
- __func__));
- return ioc->ioc_reset_in_progress_status;
- }
- spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags);
- ioc->shost_recovery = 1;
- spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags);
- if ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] &
- MPT3_DIAG_BUFFER_IS_REGISTERED) &&
- (!(ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] &
- MPT3_DIAG_BUFFER_IS_RELEASED))) {
- is_trigger = 1;
- ioc_state = mpt3sas_base_get_iocstate(ioc, 0);
- if ((ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT)
- is_fault = 1;
- }
- _base_reset_handler(ioc, MPT3_IOC_PRE_RESET);
- _wait_for_commands_to_complete(ioc);
- _base_mask_interrupts(ioc);
- r = _base_make_ioc_ready(ioc, type);
- if (r)
- goto out;
- _base_reset_handler(ioc, MPT3_IOC_AFTER_RESET);
- /* If this hard reset is called while port enable is active, then
- * there is no reason to call make_ioc_operational
- */
- if (ioc->is_driver_loading && ioc->port_enable_failed) {
- ioc->remove_host = 1;
- r = -EFAULT;
- goto out;
- }
- r = _base_get_ioc_facts(ioc);
- if (r)
- goto out;
- if (ioc->rdpq_array_enable && !ioc->rdpq_array_capable)
- panic("%s: Issue occurred with flashing controller firmware."
- "Please reboot the system and ensure that the correct"
- " firmware version is running\n", ioc->name);
- r = _base_make_ioc_operational(ioc);
- if (!r)
- _base_reset_handler(ioc, MPT3_IOC_DONE_RESET);
- out:
- dtmprintk(ioc, pr_info(MPT3SAS_FMT "%s: %s\n",
- ioc->name, __func__, ((r == 0) ? "SUCCESS" : "FAILED")));
- spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags);
- ioc->ioc_reset_in_progress_status = r;
- ioc->shost_recovery = 0;
- spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags);
- ioc->ioc_reset_count++;
- mutex_unlock(&ioc->reset_in_progress_mutex);
- out_unlocked:
- if ((r == 0) && is_trigger) {
- if (is_fault)
- mpt3sas_trigger_master(ioc, MASTER_TRIGGER_FW_FAULT);
- else
- mpt3sas_trigger_master(ioc,
- MASTER_TRIGGER_ADAPTER_RESET);
- }
- dtmprintk(ioc, pr_info(MPT3SAS_FMT "%s: exit\n", ioc->name,
- __func__));
- return r;
- }
|