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Merge patch series "mpi3mr: Few Enhancements and minor fixes"

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Ranjan Kumar <ranjan.kumar@broadcom.com> says:

Few Enhancements and minor fixes of mpi3mr driver.

Link: https://lore.kernel.org/r/20230804104248.118924-1-ranjan.kumar@broadcom.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Martin K. Petersen
2023-08-07 21:43:24 -04:00
parent dded1dc31a 9a9068b2af
commit 9640d57d15
6 changed files with 177 additions and 43 deletions
Download Patch File Download Diff File Expand all files Collapse all files
drivers/scsi/mpi3mr/mpi/mpi30_cnfg.h
+1 -1
View File
@@ -1482,7 +1482,7 @@ struct mpi3_security_page0 {
#define MPI3_SECURITY1_KEY_RECORD_MAX 1
#endif
#ifndef MPI3_SECURITY1_PAD_MAX
#define MPI3_SECURITY1_PAD_MAX 1
#define MPI3_SECURITY1_PAD_MAX 4
#endif
union mpi3_security1_key_data {
__le32 dword[128];
drivers/scsi/mpi3mr/mpi/mpi30_ioc.h
+1
View File
@@ -600,6 +600,7 @@ struct mpi3_event_data_pcie_error_threshold {
__le16 threshold_count;
__le16 attached_dev_handle;
__le16 reserved12;
__le32 reserved14;
};
#define MPI3_EVENT_PCI_ERROR_RC_THRESHOLD_EXCEEDED (0x00)
drivers/scsi/mpi3mr/mpi/mpi30_transport.h
+1 -1
View File
@@ -18,7 +18,7 @@ union mpi3_version_union {
#define MPI3_VERSION_MAJOR (3)
#define MPI3_VERSION_MINOR (0)
#define MPI3_VERSION_UNIT (27)
#define MPI3_VERSION_UNIT (28)
#define MPI3_VERSION_DEV (0)
#define MPI3_DEVHANDLE_INVALID (0xffff)
struct mpi3_sysif_oper_queue_indexes {
drivers/scsi/mpi3mr/mpi3mr.h
+19 -4
View File
@@ -55,8 +55,8 @@ extern struct list_head mrioc_list;
extern int prot_mask;
extern atomic64_t event_counter;
#define MPI3MR_DRIVER_VERSION "8.4.1.0.0"
#define MPI3MR_DRIVER_RELDATE "16-March-2023"
#define MPI3MR_DRIVER_VERSION "8.5.0.0.0"
#define MPI3MR_DRIVER_RELDATE "24-July-2023"
#define MPI3MR_DRIVER_NAME "mpi3mr"
#define MPI3MR_DRIVER_LICENSE "GPL"
@@ -66,11 +66,12 @@ extern atomic64_t event_counter;
#define MPI3MR_NAME_LENGTH 32
#define IOCNAME "%s: "
#define MPI3MR_MAX_SECTORS 2048
#define MPI3MR_DEFAULT_MAX_IO_SIZE (1 * 1024 * 1024)
/* Definitions for internal SGL and Chain SGL buffers */
#define MPI3MR_PAGE_SIZE_4K 4096
#define MPI3MR_SG_DEPTH (MPI3MR_PAGE_SIZE_4K / sizeof(struct mpi3_sge_common))
#define MPI3MR_DEFAULT_SGL_ENTRIES 256
#define MPI3MR_MAX_SGL_ENTRIES 2048
/* Definitions for MAX values for shost */
#define MPI3MR_MAX_CMDS_LUN 128
@@ -206,6 +207,9 @@ extern atomic64_t event_counter;
*/
#define MPI3MR_MAX_APP_XFER_SECTORS (2048 + 512)
#define MPI3MR_WRITE_SAME_MAX_LEN_256_BLKS 256
#define MPI3MR_WRITE_SAME_MAX_LEN_2048_BLKS 2048
/**
* struct mpi3mr_nvme_pt_sge - Structure to store SGEs for NVMe
* Encapsulated commands.
@@ -323,6 +327,7 @@ struct mpi3mr_ioc_facts {
u16 max_perids;
u16 max_pds;
u16 max_sasexpanders;
u32 max_data_length;
u16 max_sasinitiators;
u16 max_enclosures;
u16 max_pcie_switches;
@@ -676,6 +681,7 @@ enum mpi3mr_dev_state {
* @io_unit_port: IO Unit port ID
* @non_stl: Is this device not to be attached with SAS TL
* @io_throttle_enabled: I/O throttling needed or not
* @wslen: Write same max length
* @q_depth: Device specific Queue Depth
* @wwid: World wide ID
* @enclosure_logical_id: Enclosure logical identifier
@@ -698,6 +704,7 @@ struct mpi3mr_tgt_dev {
u8 io_unit_port;
u8 non_stl;
u8 io_throttle_enabled;
u16 wslen;
u16 q_depth;
u64 wwid;
u64 enclosure_logical_id;
@@ -751,6 +758,8 @@ static inline void mpi3mr_tgtdev_put(struct mpi3mr_tgt_dev *s)
* @dev_removed: Device removed in the Firmware
* @dev_removedelay: Device is waiting to be removed in FW
* @dev_type: Device type
* @dev_nvme_dif: Device is NVMe DIF enabled
* @wslen: Write same max length
* @io_throttle_enabled: I/O throttling needed or not
* @io_divert: Flag indicates io divert is on or off for the dev
* @throttle_group: Pointer to throttle group info
@@ -767,6 +776,8 @@ struct mpi3mr_stgt_priv_data {
u8 dev_removed;
u8 dev_removedelay;
u8 dev_type;
u8 dev_nvme_dif;
u16 wslen;
u8 io_throttle_enabled;
u8 io_divert;
struct mpi3mr_throttle_group_info *throttle_group;
@@ -782,12 +793,14 @@ struct mpi3mr_stgt_priv_data {
* @ncq_prio_enable: NCQ priority enable for SATA device
* @pend_count: Counter to track pending I/Os during error
* handling
* @wslen: Write same max length
*/
struct mpi3mr_sdev_priv_data {
struct mpi3mr_stgt_priv_data *tgt_priv_data;
u32 lun_id;
u8 ncq_prio_enable;
u32 pend_count;
u16 wslen;
};
/**
@@ -959,6 +972,7 @@ struct scmd_priv {
* @stop_drv_processing: Stop all command processing
* @device_refresh_on: Don't process the events until devices are refreshed
* @max_host_ios: Maximum host I/O count
* @max_sgl_entries: Max SGL entries per I/O
* @chain_buf_count: Chain buffer count
* @chain_buf_pool: Chain buffer pool
* @chain_sgl_list: Chain SGL list
@@ -1129,6 +1143,7 @@ struct mpi3mr_ioc {
u16 max_host_ios;
spinlock_t tgtdev_lock;
struct list_head tgtdev_list;
u16 max_sgl_entries;
u32 chain_buf_count;
struct dma_pool *chain_buf_pool;
drivers/scsi/mpi3mr/mpi3mr_fw.c
+28 -9
View File
@@ -1163,6 +1163,12 @@ mpi3mr_revalidate_factsdata(struct mpi3mr_ioc *mrioc)
return -EPERM;
}
if (mrioc->shost->max_sectors != (mrioc->facts.max_data_length / 512))
ioc_err(mrioc, "Warning: The maximum data transfer length\n"
"\tchanged after reset: previous(%d), new(%d),\n"
"the driver cannot change this at run time\n",
mrioc->shost->max_sectors * 512, mrioc->facts.max_data_length);
if ((mrioc->sas_transport_enabled) && (mrioc->facts.ioc_capabilities &
MPI3_IOCFACTS_CAPABILITY_MULTIPATH_ENABLED))
ioc_err(mrioc,
@@ -2343,8 +2349,8 @@ static int mpi3mr_sync_timestamp(struct mpi3mr_ioc *mrioc)
ioc_err(mrioc, "Issue IOUCTL time_stamp: command timed out\n");
mrioc->init_cmds.is_waiting = 0;
if (!(mrioc->init_cmds.state & MPI3MR_CMD_RESET))
mpi3mr_soft_reset_handler(mrioc,
MPI3MR_RESET_FROM_TSU_TIMEOUT, 1);
mpi3mr_check_rh_fault_ioc(mrioc,
MPI3MR_RESET_FROM_TSU_TIMEOUT);
retval = -1;
goto out_unlock;
}
@@ -2856,6 +2862,7 @@ static void mpi3mr_process_factsdata(struct mpi3mr_ioc *mrioc,
le16_to_cpu(facts_data->max_pcie_switches);
mrioc->facts.max_sasexpanders =
le16_to_cpu(facts_data->max_sas_expanders);
mrioc->facts.max_data_length = le16_to_cpu(facts_data->max_data_length);
mrioc->facts.max_sasinitiators =
le16_to_cpu(facts_data->max_sas_initiators);
mrioc->facts.max_enclosures = le16_to_cpu(facts_data->max_enclosures);
@@ -2893,13 +2900,18 @@ static void mpi3mr_process_factsdata(struct mpi3mr_ioc *mrioc,
mrioc->facts.io_throttle_high =
le16_to_cpu(facts_data->io_throttle_high);
if (mrioc->facts.max_data_length ==
MPI3_IOCFACTS_MAX_DATA_LENGTH_NOT_REPORTED)
mrioc->facts.max_data_length = MPI3MR_DEFAULT_MAX_IO_SIZE;
else
mrioc->facts.max_data_length *= MPI3MR_PAGE_SIZE_4K;
/* Store in 512b block count */
if (mrioc->facts.io_throttle_data_length)
mrioc->io_throttle_data_length =
(mrioc->facts.io_throttle_data_length * 2 * 4);
else
/* set the length to 1MB + 1K to disable throttle */
mrioc->io_throttle_data_length = MPI3MR_MAX_SECTORS + 2;
mrioc->io_throttle_data_length = (mrioc->facts.max_data_length / 512) + 2;
mrioc->io_throttle_high = (mrioc->facts.io_throttle_high * 2 * 1024);
mrioc->io_throttle_low = (mrioc->facts.io_throttle_low * 2 * 1024);
@@ -2914,9 +2926,9 @@ static void mpi3mr_process_factsdata(struct mpi3mr_ioc *mrioc,
ioc_info(mrioc, "SGEModMask 0x%x SGEModVal 0x%x SGEModShift 0x%x ",
mrioc->facts.sge_mod_mask, mrioc->facts.sge_mod_value,
mrioc->facts.sge_mod_shift);
ioc_info(mrioc, "DMA mask %d InitialPE status 0x%x\n",
ioc_info(mrioc, "DMA mask %d InitialPE status 0x%x max_data_len (%d)\n",
mrioc->facts.dma_mask, (facts_flags &
MPI3_IOCFACTS_FLAGS_INITIAL_PORT_ENABLE_MASK));
MPI3_IOCFACTS_FLAGS_INITIAL_PORT_ENABLE_MASK), mrioc->facts.max_data_length);
ioc_info(mrioc,
"max_dev_per_throttle_group(%d), max_throttle_groups(%d)\n",
mrioc->facts.max_dev_per_tg, mrioc->facts.max_io_throttle_group);
@@ -3359,8 +3371,8 @@ int mpi3mr_process_event_ack(struct mpi3mr_ioc *mrioc, u8 event,
if (!(mrioc->init_cmds.state & MPI3MR_CMD_COMPLETE)) {
ioc_err(mrioc, "Issue EvtNotify: command timed out\n");
if (!(mrioc->init_cmds.state & MPI3MR_CMD_RESET))
mpi3mr_soft_reset_handler(mrioc,
MPI3MR_RESET_FROM_EVTACK_TIMEOUT, 1);
mpi3mr_check_rh_fault_ioc(mrioc,
MPI3MR_RESET_FROM_EVTACK_TIMEOUT);
retval = -1;
goto out_unlock;
}
@@ -3414,7 +3426,14 @@ static int mpi3mr_alloc_chain_bufs(struct mpi3mr_ioc *mrioc)
if (!mrioc->chain_sgl_list)
goto out_failed;
sz = MPI3MR_PAGE_SIZE_4K;
if (mrioc->max_sgl_entries > (mrioc->facts.max_data_length /
MPI3MR_PAGE_SIZE_4K))
mrioc->max_sgl_entries = mrioc->facts.max_data_length /
MPI3MR_PAGE_SIZE_4K;
sz = mrioc->max_sgl_entries * sizeof(struct mpi3_sge_common);
ioc_info(mrioc, "number of sgl entries=%d chain buffer size=%dKB\n",
mrioc->max_sgl_entries, sz/1024);
mrioc->chain_buf_pool = dma_pool_create("chain_buf pool",
&mrioc->pdev->dev, sz, 16, 0);
if (!mrioc->chain_buf_pool) {
@@ -3813,7 +3832,7 @@ retry_init:
}
mrioc->max_host_ios = mrioc->facts.max_reqs - MPI3MR_INTERNAL_CMDS_RESVD;
mrioc->shost->max_sectors = mrioc->facts.max_data_length / 512;
mrioc->num_io_throttle_group = mrioc->facts.max_io_throttle_group;
atomic_set(&mrioc->pend_large_data_sz, 0);
drivers/scsi/mpi3mr/mpi3mr_os.c
+127 -28
View File
@@ -33,6 +33,12 @@ static int logging_level;
module_param(logging_level, int, 0);
MODULE_PARM_DESC(logging_level,
" bits for enabling additional logging info (default=0)");
static int max_sgl_entries = MPI3MR_DEFAULT_SGL_ENTRIES;
module_param(max_sgl_entries, int, 0444);
MODULE_PARM_DESC(max_sgl_entries,
"Preferred max number of SG entries to be used for a single I/O\n"
"The actual value will be determined by the driver\n"
"(Minimum=256, Maximum=2048, default=256)");
/* Forward declarations*/
static void mpi3mr_send_event_ack(struct mpi3mr_ioc *mrioc, u8 event,
@@ -424,6 +430,7 @@ void mpi3mr_invalidate_devhandles(struct mpi3mr_ioc *mrioc)
tgt_priv->io_throttle_enabled = 0;
tgt_priv->io_divert = 0;
tgt_priv->throttle_group = NULL;
tgt_priv->wslen = 0;
if (tgtdev->host_exposed)
atomic_set(&tgt_priv->block_io, 1);
}
@@ -1034,6 +1041,19 @@ mpi3mr_update_sdev(struct scsi_device *sdev, void *data)
void mpi3mr_rfresh_tgtdevs(struct mpi3mr_ioc *mrioc)
{
struct mpi3mr_tgt_dev *tgtdev, *tgtdev_next;
struct mpi3mr_stgt_priv_data *tgt_priv;
dprint_reset(mrioc, "refresh target devices: check for removals\n");
list_for_each_entry_safe(tgtdev, tgtdev_next, &mrioc->tgtdev_list,
list) {
if ((tgtdev->dev_handle == MPI3MR_INVALID_DEV_HANDLE) &&
tgtdev->host_exposed && tgtdev->starget &&
tgtdev->starget->hostdata) {
tgt_priv = tgtdev->starget->hostdata;
tgt_priv->dev_removed = 1;
atomic_set(&tgt_priv->block_io, 0);
}
}
list_for_each_entry_safe(tgtdev, tgtdev_next, &mrioc->tgtdev_list,
list) {
@@ -1102,6 +1122,18 @@ static void mpi3mr_update_tgtdev(struct mpi3mr_ioc *mrioc,
tgtdev->io_throttle_enabled =
(flags & MPI3_DEVICE0_FLAGS_IO_THROTTLING_REQUIRED) ? 1 : 0;
switch (flags & MPI3_DEVICE0_FLAGS_MAX_WRITE_SAME_MASK) {
case MPI3_DEVICE0_FLAGS_MAX_WRITE_SAME_256_LB:
tgtdev->wslen = MPI3MR_WRITE_SAME_MAX_LEN_256_BLKS;
break;
case MPI3_DEVICE0_FLAGS_MAX_WRITE_SAME_2048_LB:
tgtdev->wslen = MPI3MR_WRITE_SAME_MAX_LEN_2048_BLKS;
break;
case MPI3_DEVICE0_FLAGS_MAX_WRITE_SAME_NO_LIMIT:
default:
tgtdev->wslen = 0;
break;
}
if (tgtdev->starget && tgtdev->starget->hostdata) {
scsi_tgt_priv_data = (struct mpi3mr_stgt_priv_data *)
@@ -1113,6 +1145,7 @@ static void mpi3mr_update_tgtdev(struct mpi3mr_ioc *mrioc,
tgtdev->io_throttle_enabled;
if (is_added == true)
atomic_set(&scsi_tgt_priv_data->block_io, 0);
scsi_tgt_priv_data->wslen = tgtdev->wslen;
}
switch (dev_pg0->access_status) {
@@ -3413,7 +3446,7 @@ static int mpi3mr_prepare_sg_scmd(struct mpi3mr_ioc *mrioc,
scsi_bufflen(scmd));
return -ENOMEM;
}
if (sges_left > MPI3MR_SG_DEPTH) {
if (sges_left > mrioc->max_sgl_entries) {
sdev_printk(KERN_ERR, scmd->device,
"scsi_dma_map returned unsupported sge count %d!\n",
sges_left);
@@ -3933,6 +3966,48 @@ void mpi3mr_wait_for_host_io(struct mpi3mr_ioc *mrioc, u32 timeout)
mpi3mr_get_fw_pending_ios(mrioc));
}
/**
* mpi3mr_setup_divert_ws - Setup Divert IO flag for write same
* @mrioc: Adapter instance reference
* @scmd: SCSI command reference
* @scsiio_req: MPI3 SCSI IO request
* @scsiio_flags: Pointer to MPI3 SCSI IO Flags
* @wslen: write same max length
*
* Gets values of unmap, ndob and number of blocks from write
* same scsi io and based on these values it sets divert IO flag
* and reason for diverting IO to firmware.
*
* Return: Nothing
*/
static inline void mpi3mr_setup_divert_ws(struct mpi3mr_ioc *mrioc,
struct scsi_cmnd *scmd, struct mpi3_scsi_io_request *scsiio_req,
u32 *scsiio_flags, u16 wslen)
{
u8 unmap = 0, ndob = 0;
u8 opcode = scmd->cmnd[0];
u32 num_blocks = 0;
u16 sa = (scmd->cmnd[8] << 8) | (scmd->cmnd[9]);
if (opcode == WRITE_SAME_16) {
unmap = scmd->cmnd[1] & 0x08;
ndob = scmd->cmnd[1] & 0x01;
num_blocks = get_unaligned_be32(scmd->cmnd + 10);
} else if ((opcode == VARIABLE_LENGTH_CMD) && (sa == WRITE_SAME_32)) {
unmap = scmd->cmnd[10] & 0x08;
ndob = scmd->cmnd[10] & 0x01;
num_blocks = get_unaligned_be32(scmd->cmnd + 28);
} else
return;
if ((unmap) && (ndob) && (num_blocks > wslen)) {
scsiio_req->msg_flags |=
MPI3_SCSIIO_MSGFLAGS_DIVERT_TO_FIRMWARE;
*scsiio_flags |=
MPI3_SCSIIO_FLAGS_DIVERT_REASON_WRITE_SAME_TOO_LARGE;
}
}
/**
* mpi3mr_eh_host_reset - Host reset error handling callback
* @scmd: SCSI command reference
@@ -4430,7 +4505,6 @@ static int mpi3mr_target_alloc(struct scsi_target *starget)
unsigned long flags;
int retval = 0;
struct sas_rphy *rphy = NULL;
bool update_stgt_priv_data = false;
scsi_tgt_priv_data = kzalloc(sizeof(*scsi_tgt_priv_data), GFP_KERNEL);
if (!scsi_tgt_priv_data)
@@ -4439,39 +4513,50 @@ static int mpi3mr_target_alloc(struct scsi_target *starget)
starget->hostdata = scsi_tgt_priv_data;
spin_lock_irqsave(&mrioc->tgtdev_lock, flags);
if (starget->channel == mrioc->scsi_device_channel) {
tgt_dev = __mpi3mr_get_tgtdev_by_perst_id(mrioc, starget->id);
if (tgt_dev && !tgt_dev->is_hidden)
update_stgt_priv_data = true;
else
if (tgt_dev && !tgt_dev->is_hidden) {
scsi_tgt_priv_data->starget = starget;
scsi_tgt_priv_data->dev_handle = tgt_dev->dev_handle;
scsi_tgt_priv_data->perst_id = tgt_dev->perst_id;
scsi_tgt_priv_data->dev_type = tgt_dev->dev_type;
scsi_tgt_priv_data->tgt_dev = tgt_dev;
tgt_dev->starget = starget;
atomic_set(&scsi_tgt_priv_data->block_io, 0);
retval = 0;
if ((tgt_dev->dev_type == MPI3_DEVICE_DEVFORM_PCIE) &&
((tgt_dev->dev_spec.pcie_inf.dev_info &
MPI3_DEVICE0_PCIE_DEVICE_INFO_TYPE_MASK) ==
MPI3_DEVICE0_PCIE_DEVICE_INFO_TYPE_NVME_DEVICE) &&
((tgt_dev->dev_spec.pcie_inf.dev_info &
MPI3_DEVICE0_PCIE_DEVICE_INFO_PITYPE_MASK) !=
MPI3_DEVICE0_PCIE_DEVICE_INFO_PITYPE_0))
scsi_tgt_priv_data->dev_nvme_dif = 1;
scsi_tgt_priv_data->io_throttle_enabled = tgt_dev->io_throttle_enabled;
scsi_tgt_priv_data->wslen = tgt_dev->wslen;
if (tgt_dev->dev_type == MPI3_DEVICE_DEVFORM_VD)
scsi_tgt_priv_data->throttle_group = tgt_dev->dev_spec.vd_inf.tg;
} else
retval = -ENXIO;
} else if (mrioc->sas_transport_enabled && !starget->channel) {
rphy = dev_to_rphy(starget->dev.parent);
tgt_dev = __mpi3mr_get_tgtdev_by_addr_and_rphy(mrioc,
rphy->identify.sas_address, rphy);
if (tgt_dev && !tgt_dev->is_hidden && !tgt_dev->non_stl &&
(tgt_dev->dev_type == MPI3_DEVICE_DEVFORM_SAS_SATA))
update_stgt_priv_data = true;
else
(tgt_dev->dev_type == MPI3_DEVICE_DEVFORM_SAS_SATA)) {
scsi_tgt_priv_data->starget = starget;
scsi_tgt_priv_data->dev_handle = tgt_dev->dev_handle;
scsi_tgt_priv_data->perst_id = tgt_dev->perst_id;
scsi_tgt_priv_data->dev_type = tgt_dev->dev_type;
scsi_tgt_priv_data->tgt_dev = tgt_dev;
scsi_tgt_priv_data->io_throttle_enabled = tgt_dev->io_throttle_enabled;
scsi_tgt_priv_data->wslen = tgt_dev->wslen;
tgt_dev->starget = starget;
atomic_set(&scsi_tgt_priv_data->block_io, 0);
retval = 0;
} else
retval = -ENXIO;
}
if (update_stgt_priv_data) {
scsi_tgt_priv_data->starget = starget;
scsi_tgt_priv_data->dev_handle = tgt_dev->dev_handle;
scsi_tgt_priv_data->perst_id = tgt_dev->perst_id;
scsi_tgt_priv_data->dev_type = tgt_dev->dev_type;
scsi_tgt_priv_data->tgt_dev = tgt_dev;
tgt_dev->starget = starget;
atomic_set(&scsi_tgt_priv_data->block_io, 0);
retval = 0;
scsi_tgt_priv_data->io_throttle_enabled =
tgt_dev->io_throttle_enabled;
if (tgt_dev->dev_type == MPI3_DEVICE_DEVFORM_VD)
scsi_tgt_priv_data->throttle_group =
tgt_dev->dev_spec.vd_inf.tg;
}
spin_unlock_irqrestore(&mrioc->tgtdev_lock, flags);
return retval;
@@ -4732,6 +4817,10 @@ static int mpi3mr_qcmd(struct Scsi_Host *shost,
mpi3mr_setup_eedp(mrioc, scmd, scsiio_req);
if (stgt_priv_data->wslen)
mpi3mr_setup_divert_ws(mrioc, scmd, scsiio_req, &scsiio_flags,
stgt_priv_data->wslen);
memcpy(scsiio_req->cdb.cdb32, scmd->cmnd, scmd->cmd_len);
scsiio_req->data_length = cpu_to_le32(scsi_bufflen(scmd));
scsiio_req->dev_handle = cpu_to_le16(dev_handle);
@@ -4818,10 +4907,10 @@ static const struct scsi_host_template mpi3mr_driver_template = {
.no_write_same = 1,
.can_queue = 1,
.this_id = -1,
.sg_tablesize = MPI3MR_SG_DEPTH,
.sg_tablesize = MPI3MR_DEFAULT_SGL_ENTRIES,
/* max xfer supported is 1M (2K in 512 byte sized sectors)
*/
.max_sectors = 2048,
.max_sectors = (MPI3MR_DEFAULT_MAX_IO_SIZE / 512),
.cmd_per_lun = MPI3MR_MAX_CMDS_LUN,
.max_segment_size = 0xffffffff,
.track_queue_depth = 1,
@@ -5004,6 +5093,16 @@ mpi3mr_probe(struct pci_dev *pdev, const struct pci_device_id *id)
mrioc->pdev = pdev;
mrioc->stop_bsgs = 1;
mrioc->max_sgl_entries = max_sgl_entries;
if (max_sgl_entries > MPI3MR_MAX_SGL_ENTRIES)
mrioc->max_sgl_entries = MPI3MR_MAX_SGL_ENTRIES;
else if (max_sgl_entries < MPI3MR_DEFAULT_SGL_ENTRIES)
mrioc->max_sgl_entries = MPI3MR_DEFAULT_SGL_ENTRIES;
else {
mrioc->max_sgl_entries /= MPI3MR_DEFAULT_SGL_ENTRIES;
mrioc->max_sgl_entries *= MPI3MR_DEFAULT_SGL_ENTRIES;
}
/* init shost parameters */
shost->max_cmd_len = MPI3MR_MAX_CDB_LENGTH;
shost->max_lun = -1;
@@ -5068,7 +5167,7 @@ mpi3mr_probe(struct pci_dev *pdev, const struct pci_device_id *id)
shost->nr_maps = 3;
shost->can_queue = mrioc->max_host_ios;
shost->sg_tablesize = MPI3MR_SG_DEPTH;
shost->sg_tablesize = mrioc->max_sgl_entries;
shost->max_id = mrioc->facts.max_perids + 1;
retval = scsi_add_host(shost, &pdev->dev);