/*
* Linux MegaRAID driver for SAS based RAID controllers
*
- * Copyright (c) 2009-2012 LSI Corporation.
+ * Copyright (c) 2009-2013 LSI Corporation
+ * Copyright (c) 2013-2014 Avago Technologies
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* GNU General Public License for more details.
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* FILE: megaraid_sas_fusion.c
*
- * Authors: LSI Corporation
+ * Authors: Avago Technologies
* Sumant Patro
- * Adam Radford <linuxraid@lsi.com>
+ * Adam Radford
+ * Kashyap Desai <kashyap.desai@avagotech.com>
+ * Sumit Saxena <sumit.saxena@avagotech.com>
*
- * Send feedback to: <megaraidlinux@lsi.com>
+ * Send feedback to: megaraidlinux.pdl@avagotech.com
*
- * Mail to: LSI Corporation, 1621 Barber Lane, Milpitas, CA 95035
- * ATTN: Linuxraid
+ * Mail to: Avago Technologies, 350 West Trimble Road, Building 90,
+ * San Jose, California 95131
*/
#include <linux/kernel.h>
extern void
megasas_complete_cmd(struct megasas_instance *instance,
struct megasas_cmd *cmd, u8 alt_status);
-int megasas_is_ldio(struct scsi_cmnd *cmd);
int
wait_and_poll(struct megasas_instance *instance, struct megasas_cmd *cmd,
int seconds);
{
struct megasas_register_set __iomem *regs;
regs = instance->reg_set;
+
+ instance->mask_interrupts = 0;
/* For Thunderbolt/Invader also clear intr on enable */
writel(~0, ®s->outbound_intr_status);
readl(®s->outbound_intr_status);
/* Dummy readl to force pci flush */
readl(®s->outbound_intr_mask);
- instance->mask_interrupts = 0;
}
/**
cmd->scmd = NULL;
cmd->sync_cmd_idx = (u32)ULONG_MAX;
+ memset(cmd->io_request, 0, sizeof(struct MPI2_RAID_SCSI_IO_REQUEST));
list_add(&cmd->list, (&fusion->cmd_pool)->next);
spin_unlock_irqrestore(&fusion->mpt_pool_lock, flags);
= 1;
init_frame->driver_operations.mfi_capabilities.support_ndrive_r1_lb
= 1;
+ init_frame->driver_operations.mfi_capabilities.security_protocol_cmds_fw
+ = 1;
/* Convert capability to LE32 */
cpu_to_le32s((u32 *)&init_frame->driver_operations.mfi_capabilities);
cpu_to_le32(lower_32_bits(ioc_init_handle));
init_frame->data_xfer_len = cpu_to_le32(sizeof(struct MPI2_IOC_INIT_REQUEST));
- req_desc.Words = 0;
+ req_desc.u.low = cpu_to_le32(lower_32_bits(cmd->frame_phys_addr));
+ req_desc.u.high = cpu_to_le32(upper_32_bits(cmd->frame_phys_addr));
req_desc.MFAIo.RequestFlags =
(MEGASAS_REQ_DESCRIPT_FLAGS_MFA <<
- MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
- cpu_to_le32s((u32 *)&req_desc.MFAIo);
- req_desc.Words |= cpu_to_le64(cmd->frame_phys_addr);
+ MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
/*
* disable the intr before firing the init frame
map = fusion->ld_drv_map[instance->map_id & 1];
- num_lds = le32_to_cpu(map->raidMap.ldCount);
+ num_lds = le16_to_cpu(map->raidMap.ldCount);
dcmd = &cmd->frame->dcmd;
* does not exceed max cmds that the FW can support
*/
instance->max_fw_cmds = instance->max_fw_cmds-1;
- /* Only internal cmds (DCMD) need to have MFI frames */
- instance->max_mfi_cmds = MEGASAS_INT_CMDS;
+
+ /*
+ * Only Driver's internal DCMDs and IOCTL DCMDs needs to have MFI frames
+ */
+ instance->max_mfi_cmds =
+ MEGASAS_FUSION_INTERNAL_CMDS + MEGASAS_FUSION_IOCTL_CMDS;
max_cmd = instance->max_fw_cmds;
goto fail_ioc_init;
megasas_display_intel_branding(instance);
- if (megasas_get_ctrl_info(instance, instance->ctrl_info)) {
+ if (megasas_get_ctrl_info(instance)) {
dev_err(&instance->pdev->dev,
"Could not get controller info. Fail from %s %d\n",
__func__, __LINE__);
goto fail_ioc_init;
}
- instance->supportmax256vd =
- instance->ctrl_info->adapterOperations3.supportMaxExtLDs;
- /* Below is additional check to address future FW enhancement */
- if (instance->ctrl_info->max_lds > 64)
- instance->supportmax256vd = 1;
- instance->drv_supported_vd_count = MEGASAS_MAX_LD_CHANNELS
- * MEGASAS_MAX_DEV_PER_CHANNEL;
- instance->drv_supported_pd_count = MEGASAS_MAX_PD_CHANNELS
- * MEGASAS_MAX_DEV_PER_CHANNEL;
- if (instance->supportmax256vd) {
- instance->fw_supported_vd_count = MAX_LOGICAL_DRIVES_EXT;
- instance->fw_supported_pd_count = MAX_PHYSICAL_DEVICES;
- } else {
- instance->fw_supported_vd_count = MAX_LOGICAL_DRIVES;
- instance->fw_supported_pd_count = MAX_PHYSICAL_DEVICES;
- }
- dev_info(&instance->pdev->dev, "Firmware supports %d VDs %d PDs\n"
- "Driver supports %d VDs %d PDs\n",
- instance->fw_supported_vd_count,
- instance->fw_supported_pd_count,
- instance->drv_supported_vd_count,
- instance->drv_supported_pd_count);
-
instance->flag_ieee = 1;
fusion->fast_path_io = 0;
- fusion->old_map_sz =
- sizeof(struct MR_FW_RAID_MAP) + (sizeof(struct MR_LD_SPAN_MAP) *
- (instance->fw_supported_vd_count - 1));
- fusion->new_map_sz =
- sizeof(struct MR_FW_RAID_MAP_EXT);
- fusion->drv_map_sz =
- sizeof(struct MR_DRV_RAID_MAP) + (sizeof(struct MR_LD_SPAN_MAP) *
- (instance->drv_supported_vd_count - 1));
-
fusion->drv_map_pages = get_order(fusion->drv_map_sz);
for (i = 0; i < 2; i++) {
fusion->ld_map[i] = NULL;
fusion->drv_map_pages);
goto fail_ioc_init;
}
+ memset(fusion->ld_drv_map[i], 0,
+ ((1 << PAGE_SHIFT) << fusion->drv_map_pages));
}
- fusion->max_map_sz = max(fusion->old_map_sz, fusion->new_map_sz);
-
- if (instance->supportmax256vd)
- fusion->current_map_sz = fusion->new_map_sz;
- else
- fusion->current_map_sz = fusion->old_map_sz;
-
-
for (i = 0; i < 2; i++) {
fusion->ld_map[i] = dma_alloc_coherent(&instance->pdev->dev,
fusion->max_map_sz,
struct megasas_register_set __iomem *regs)
{
#if defined(writeq) && defined(CONFIG_64BIT)
- u64 req_data = (((u64)req_desc_hi << 32) | (u32)req_desc_lo);
+ u64 req_data = (((u64)le32_to_cpu(req_desc_hi) << 32) |
+ le32_to_cpu(req_desc_lo));
- writeq(le64_to_cpu(req_data), &(regs)->inbound_low_queue_port);
+ writeq(req_data, &(regs)->inbound_low_queue_port);
#else
unsigned long flags;
sgl_ptr =
(struct MPI25_IEEE_SGE_CHAIN64 *)cmd->sg_frame;
+ memset(sgl_ptr, 0, MEGASAS_MAX_SZ_CHAIN_FRAME);
}
}
/* Logical block reference tag */
io_request->CDB.EEDP32.PrimaryReferenceTag =
cpu_to_be32(ref_tag);
- io_request->CDB.EEDP32.PrimaryApplicationTagMask = 0xffff;
+ io_request->CDB.EEDP32.PrimaryApplicationTagMask = cpu_to_be16(0xffff);
io_request->IoFlags = cpu_to_le16(32); /* Specify 32-byte cdb */
/* Transfer length */
fp_possible = io_info.fpOkForIo;
}
- /* Use smp_processor_id() for now until cmd->request->cpu is CPU
+ /* Use raw_smp_processor_id() for now until cmd->request->cpu is CPU
id by default, not CPU group id, otherwise all MSI-X queues won't
be utilized */
cmd->request_desc->SCSIIO.MSIxIndex = instance->msix_vectors ?
- smp_processor_id() % instance->msix_vectors : 0;
+ raw_smp_processor_id() % instance->msix_vectors : 0;
if (fp_possible) {
megasas_set_pd_lba(io_request, scp->cmd_len, &io_info, scp,
u32 device_id;
struct MPI2_RAID_SCSI_IO_REQUEST *io_request;
u16 pd_index = 0;
+ u16 os_timeout_value;
+ u16 timeout_limit;
struct MR_DRV_RAID_MAP_ALL *local_map_ptr;
struct fusion_context *fusion = instance->ctrl_context;
u8 span, physArm;
io_request->DataLength = cpu_to_le32(scsi_bufflen(scmd));
-
- /* Check if this is a system PD I/O */
if (scmd->device->channel < MEGASAS_MAX_PD_CHANNELS &&
instance->pd_list[pd_index].driveState == MR_PD_STATE_SYSTEM) {
- io_request->Function = 0;
if (fusion->fast_path_io)
io_request->DevHandle =
local_map_ptr->raidMap.devHndlInfo[device_id].curDevHdl;
- io_request->RaidContext.timeoutValue =
- local_map_ptr->raidMap.fpPdIoTimeoutSec;
- io_request->RaidContext.regLockFlags = 0;
- io_request->RaidContext.regLockRowLBA = 0;
- io_request->RaidContext.regLockLength = 0;
io_request->RaidContext.RAIDFlags =
- MR_RAID_FLAGS_IO_SUB_TYPE_SYSTEM_PD <<
- MR_RAID_CTX_RAID_FLAGS_IO_SUB_TYPE_SHIFT;
+ MR_RAID_FLAGS_IO_SUB_TYPE_SYSTEM_PD
+ << MR_RAID_CTX_RAID_FLAGS_IO_SUB_TYPE_SHIFT;
+ cmd->request_desc->SCSIIO.DevHandle = io_request->DevHandle;
+ cmd->request_desc->SCSIIO.MSIxIndex =
+ instance->msix_vectors ?
+ raw_smp_processor_id() %
+ instance->msix_vectors :
+ 0;
+ os_timeout_value = scmd->request->timeout / HZ;
+
+ if (instance->secure_jbod_support &&
+ (megasas_cmd_type(scmd) == NON_READ_WRITE_SYSPDIO)) {
+ /* system pd firmware path */
+ io_request->Function =
+ MEGASAS_MPI2_FUNCTION_LD_IO_REQUEST;
+ cmd->request_desc->SCSIIO.RequestFlags =
+ (MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO <<
+ MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
+ io_request->RaidContext.timeoutValue =
+ cpu_to_le16(os_timeout_value);
+ } else {
+ /* system pd Fast Path */
+ io_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST;
+ io_request->RaidContext.regLockFlags = 0;
+ io_request->RaidContext.regLockRowLBA = 0;
+ io_request->RaidContext.regLockLength = 0;
+ timeout_limit = (scmd->device->type == TYPE_DISK) ?
+ 255 : 0xFFFF;
+ io_request->RaidContext.timeoutValue =
+ cpu_to_le16((os_timeout_value > timeout_limit) ?
+ timeout_limit : os_timeout_value);
if ((instance->pdev->device == PCI_DEVICE_ID_LSI_INVADER) ||
(instance->pdev->device == PCI_DEVICE_ID_LSI_FURY))
- io_request->IoFlags |= cpu_to_le16(
- MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH);
- cmd->request_desc->SCSIIO.RequestFlags =
- (MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY <<
- MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
- cmd->request_desc->SCSIIO.DevHandle =
- local_map_ptr->raidMap.devHndlInfo[device_id].curDevHdl;
- cmd->request_desc->SCSIIO.MSIxIndex =
- instance->msix_vectors ? smp_processor_id() % instance->msix_vectors : 0;
- /*
- * If the command is for the tape device, set the
- * FP timeout to the os layer timeout value.
- */
- if (scmd->device->type == TYPE_TAPE) {
- if ((scmd->request->timeout / HZ) > 0xFFFF)
- io_request->RaidContext.timeoutValue =
- 0xFFFF;
- else
- io_request->RaidContext.timeoutValue =
- scmd->request->timeout / HZ;
+ io_request->IoFlags |=
+ cpu_to_le16(MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH);
+
+ cmd->request_desc->SCSIIO.RequestFlags =
+ (MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY <<
+ MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
}
} else {
if (scmd->device->channel < MEGASAS_MAX_PD_CHANNELS)
goto NonFastPath;
+ /*
+ * For older firmware, Driver should not access ldTgtIdToLd
+ * beyond index 127 and for Extended VD firmware, ldTgtIdToLd
+ * should not go beyond 255.
+ */
+
+ if ((!fusion->fast_path_io) ||
+ (device_id >= instance->fw_supported_vd_count))
+ goto NonFastPath;
+
ld = MR_TargetIdToLdGet(device_id, local_map_ptr);
- if ((ld >= instance->fw_supported_vd_count) ||
- (!fusion->fast_path_io))
+
+ if (ld >= instance->fw_supported_vd_count)
goto NonFastPath;
raid = MR_LdRaidGet(ld, local_map_ptr);
/* set RAID context values */
pRAID_Context->regLockFlags = REGION_TYPE_SHARED_READ;
- pRAID_Context->timeoutValue = raid->fpIoTimeoutForLd;
+ pRAID_Context->timeoutValue = cpu_to_le16(raid->fpIoTimeoutForLd);
pRAID_Context->VirtualDiskTgtId = cpu_to_le16(device_id);
pRAID_Context->regLockRowLBA = 0;
pRAID_Context->regLockLength = 0;
*/
io_request->IoFlags = cpu_to_le16(scp->cmd_len);
- if (megasas_is_ldio(scp))
+ if (megasas_cmd_type(scp) == READ_WRITE_LDIO)
megasas_build_ldio_fusion(instance, scp, cmd);
else
megasas_build_dcdb_fusion(instance, scp, cmd);
* megasas_complete_cmd
*/
- if (frame_hdr->flags & MFI_FRAME_DONT_POST_IN_REPLY_QUEUE)
+ if (frame_hdr->flags & cpu_to_le16(MFI_FRAME_DONT_POST_IN_REPLY_QUEUE))
cmd->flags = MFI_FRAME_DONT_POST_IN_REPLY_QUEUE;
fusion = instance->ctrl_context;
"memory allocation failed at index %d\n", i);
break;
}
+ memset(instance->crash_buf[i], 0,
+ ((1 << PAGE_SHIFT) << instance->crash_buf_pages));
}
instance->drv_buf_alloc = i;
}
instance->host->host_no);
megaraid_sas_kill_hba(instance);
instance->skip_heartbeat_timer_del = 1;
- instance->adprecovery = MEGASAS_HW_CRITICAL_ERROR;
retval = FAILED;
goto out;
}
}
}
- clear_bit(MEGASAS_FUSION_IN_RESET,
- &instance->reset_flags);
- instance->instancet->enable_intr(instance);
- instance->adprecovery = MEGASAS_HBA_OPERATIONAL;
-
+ if (megasas_get_ctrl_info(instance)) {
+ dev_info(&instance->pdev->dev,
+ "Failed from %s %d\n",
+ __func__, __LINE__);
+ megaraid_sas_kill_hba(instance);
+ retval = FAILED;
+ }
/* Reset load balance info */
memset(fusion->load_balance_info, 0,
sizeof(struct LD_LOAD_BALANCE_INFO)
if (!megasas_get_map_info(instance))
megasas_sync_map_info(instance);
+ clear_bit(MEGASAS_FUSION_IN_RESET,
+ &instance->reset_flags);
+ instance->instancet->enable_intr(instance);
+ instance->adprecovery = MEGASAS_HBA_OPERATIONAL;
+
/* Restart SR-IOV heartbeat */
if (instance->requestorId) {
if (!megasas_sriov_start_heartbeat(instance, 0))
"successful for scsi%d.\n",
instance->host->host_no);
- if (instance->crash_dump_drv_support) {
- if (instance->crash_dump_app_support)
- megasas_set_crash_dump_params(instance,
- MR_CRASH_BUF_TURN_ON);
- else
- megasas_set_crash_dump_params(instance,
- MR_CRASH_BUF_TURN_OFF);
- }
+ if (instance->crash_dump_drv_support &&
+ instance->crash_dump_app_support)
+ megasas_set_crash_dump_params(instance,
+ MR_CRASH_BUF_TURN_ON);
+ else
+ megasas_set_crash_dump_params(instance,
+ MR_CRASH_BUF_TURN_OFF);
+
retval = SUCCESS;
goto out;
}
"adapter scsi%d.\n", instance->host->host_no);
megaraid_sas_kill_hba(instance);
instance->skip_heartbeat_timer_del = 1;
- instance->adprecovery = MEGASAS_HW_CRITICAL_ERROR;
retval = FAILED;
} else {
/* For VF: Restart HB timer if we didn't OCR */
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