*
* Interface to Linux SCSI midlayer.
*
- * Copyright IBM Corporation 2002, 2009
+ * Copyright IBM Corporation 2002, 2010
*/
#define KMSG_COMPONENT "zfcp"
#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
+#include <linux/types.h>
+#include <linux/slab.h>
+#include <scsi/fc/fc_fcp.h>
+#include <scsi/scsi_eh.h>
#include <asm/atomic.h>
#include "zfcp_ext.h"
#include "zfcp_dbf.h"
+#include "zfcp_fc.h"
+#include "zfcp_reqlist.h"
static unsigned int default_depth = 32;
module_param_named(queue_depth, default_depth, uint, 0600);
MODULE_PARM_DESC(queue_depth, "Default queue depth for new SCSI devices");
-/* Find start of Sense Information in FCP response unit*/
-char *zfcp_get_fcp_sns_info_ptr(struct fcp_rsp_iu *fcp_rsp_iu)
-{
- char *fcp_sns_info_ptr;
-
- fcp_sns_info_ptr = (unsigned char *) &fcp_rsp_iu[1];
- if (fcp_rsp_iu->validity.bits.fcp_rsp_len_valid)
- fcp_sns_info_ptr += fcp_rsp_iu->fcp_rsp_len;
-
- return fcp_sns_info_ptr;
-}
-
-static int zfcp_scsi_change_queue_depth(struct scsi_device *sdev, int depth)
-{
- scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), depth);
+static bool enable_dif;
+
+#ifdef CONFIG_ZFCP_DIF
+module_param_named(dif, enable_dif, bool, 0600);
+MODULE_PARM_DESC(dif, "Enable DIF/DIX data integrity support");
+#endif
+
+static bool allow_lun_scan = 1;
+module_param(allow_lun_scan, bool, 0600);
+MODULE_PARM_DESC(allow_lun_scan, "For NPIV, scan and attach all storage LUNs");
+
+static int zfcp_scsi_change_queue_depth(struct scsi_device *sdev, int depth,
+ int reason)
+{
+ switch (reason) {
+ case SCSI_QDEPTH_DEFAULT:
+ scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), depth);
+ break;
+ case SCSI_QDEPTH_QFULL:
+ scsi_track_queue_full(sdev, depth);
+ break;
+ case SCSI_QDEPTH_RAMP_UP:
+ scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), depth);
+ break;
+ default:
+ return -EOPNOTSUPP;
+ }
return sdev->queue_depth;
}
-static void zfcp_scsi_slave_destroy(struct scsi_device *sdpnt)
+static void zfcp_scsi_slave_destroy(struct scsi_device *sdev)
{
- struct zfcp_unit *unit = (struct zfcp_unit *) sdpnt->hostdata;
- unit->device = NULL;
- zfcp_unit_put(unit);
+ struct zfcp_scsi_dev *zfcp_sdev = sdev_to_zfcp(sdev);
+
+ zfcp_erp_lun_shutdown_wait(sdev, "scssd_1");
+ put_device(&zfcp_sdev->port->dev);
}
static int zfcp_scsi_slave_configure(struct scsi_device *sdp)
static void zfcp_scsi_command_fail(struct scsi_cmnd *scpnt, int result)
{
set_host_byte(scpnt, result);
- if ((scpnt->device != NULL) && (scpnt->device->host != NULL))
- zfcp_scsi_dbf_event_result("fail", 4,
- (struct zfcp_adapter*) scpnt->device->host->hostdata[0],
- scpnt, NULL);
- /* return directly */
+ zfcp_dbf_scsi_fail_send(scpnt);
scpnt->scsi_done(scpnt);
}
-static int zfcp_scsi_queuecommand(struct scsi_cmnd *scpnt,
- void (*done) (struct scsi_cmnd *))
+static
+int zfcp_scsi_queuecommand(struct Scsi_Host *shost, struct scsi_cmnd *scpnt)
{
- struct zfcp_unit *unit;
- struct zfcp_adapter *adapter;
- int status, scsi_result, ret;
+ struct zfcp_scsi_dev *zfcp_sdev = sdev_to_zfcp(scpnt->device);
struct fc_rport *rport = starget_to_rport(scsi_target(scpnt->device));
+ int status, scsi_result, ret;
/* reset the status for this request */
scpnt->result = 0;
scpnt->host_scribble = NULL;
- scpnt->scsi_done = done;
-
- /*
- * figure out adapter and target device
- * (stored there by zfcp_scsi_slave_alloc)
- */
- adapter = (struct zfcp_adapter *) scpnt->device->host->hostdata[0];
- unit = scpnt->device->hostdata;
-
- BUG_ON(!adapter || (adapter != unit->port->adapter));
- BUG_ON(!scpnt->scsi_done);
-
- if (unlikely(!unit)) {
- zfcp_scsi_command_fail(scpnt, DID_NO_CONNECT);
- return 0;
- }
scsi_result = fc_remote_port_chkready(rport);
if (unlikely(scsi_result)) {
scpnt->result = scsi_result;
- zfcp_scsi_dbf_event_result("fail", 4, adapter, scpnt, NULL);
+ zfcp_dbf_scsi_fail_send(scpnt);
scpnt->scsi_done(scpnt);
return 0;
}
- status = atomic_read(&unit->status);
- if (unlikely((status & ZFCP_STATUS_COMMON_ERP_FAILED) ||
- !(status & ZFCP_STATUS_COMMON_RUNNING))) {
+ status = atomic_read(&zfcp_sdev->status);
+ if (unlikely(status & ZFCP_STATUS_COMMON_ERP_FAILED) &&
+ !(atomic_read(&zfcp_sdev->port->status) &
+ ZFCP_STATUS_COMMON_ERP_FAILED)) {
+ /* only LUN access denied, but port is good
+ * not covered by FC transport, have to fail here */
zfcp_scsi_command_fail(scpnt, DID_ERROR);
- return 0;;
+ return 0;
+ }
+
+ if (unlikely(!(status & ZFCP_STATUS_COMMON_UNBLOCKED))) {
+ /* This could be either
+ * open LUN pending: this is temporary, will result in
+ * open LUN or ERP_FAILED, so retry command
+ * call to rport_delete pending: mimic retry from
+ * fc_remote_port_chkready until rport is BLOCKED
+ */
+ zfcp_scsi_command_fail(scpnt, DID_IMM_RETRY);
+ return 0;
}
- ret = zfcp_fsf_send_fcp_command_task(unit, scpnt);
+ ret = zfcp_fsf_fcp_cmnd(scpnt);
if (unlikely(ret == -EBUSY))
return SCSI_MLQUEUE_DEVICE_BUSY;
else if (unlikely(ret < 0))
return ret;
}
-static struct zfcp_unit *zfcp_unit_lookup(struct zfcp_adapter *adapter,
- int channel, unsigned int id,
- unsigned int lun)
+static int zfcp_scsi_slave_alloc(struct scsi_device *sdev)
{
+ struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
+ struct zfcp_adapter *adapter =
+ (struct zfcp_adapter *) sdev->host->hostdata[0];
+ struct zfcp_scsi_dev *zfcp_sdev = sdev_to_zfcp(sdev);
struct zfcp_port *port;
struct zfcp_unit *unit;
- int scsi_lun;
-
- list_for_each_entry(port, &adapter->port_list_head, list) {
- if (!port->rport || (id != port->rport->scsi_target_id))
- continue;
- list_for_each_entry(unit, &port->unit_list_head, list) {
- scsi_lun = scsilun_to_int(
- (struct scsi_lun *)&unit->fcp_lun);
- if (lun == scsi_lun)
- return unit;
- }
- }
+ int npiv = adapter->connection_features & FSF_FEATURE_NPIV_MODE;
- return NULL;
-}
+ port = zfcp_get_port_by_wwpn(adapter, rport->port_name);
+ if (!port)
+ return -ENXIO;
-static int zfcp_scsi_slave_alloc(struct scsi_device *sdp)
-{
- struct zfcp_adapter *adapter;
- struct zfcp_unit *unit;
- unsigned long flags;
- int retval = -ENXIO;
-
- adapter = (struct zfcp_adapter *) sdp->host->hostdata[0];
- if (!adapter)
- goto out;
-
- read_lock_irqsave(&zfcp_data.config_lock, flags);
- unit = zfcp_unit_lookup(adapter, sdp->channel, sdp->id, sdp->lun);
- if (unit) {
- sdp->hostdata = unit;
- unit->device = sdp;
- zfcp_unit_get(unit);
- retval = 0;
+ unit = zfcp_unit_find(port, zfcp_scsi_dev_lun(sdev));
+ if (unit)
+ put_device(&unit->dev);
+
+ if (!unit && !(allow_lun_scan && npiv)) {
+ put_device(&port->dev);
+ return -ENXIO;
}
- read_unlock_irqrestore(&zfcp_data.config_lock, flags);
-out:
- return retval;
+
+ zfcp_sdev->port = port;
+ zfcp_sdev->latencies.write.channel.min = 0xFFFFFFFF;
+ zfcp_sdev->latencies.write.fabric.min = 0xFFFFFFFF;
+ zfcp_sdev->latencies.read.channel.min = 0xFFFFFFFF;
+ zfcp_sdev->latencies.read.fabric.min = 0xFFFFFFFF;
+ zfcp_sdev->latencies.cmd.channel.min = 0xFFFFFFFF;
+ zfcp_sdev->latencies.cmd.fabric.min = 0xFFFFFFFF;
+ spin_lock_init(&zfcp_sdev->latencies.lock);
+
+ zfcp_erp_set_lun_status(sdev, ZFCP_STATUS_COMMON_RUNNING);
+ zfcp_erp_lun_reopen(sdev, 0, "scsla_1");
+ zfcp_erp_wait(port->adapter);
+
+ return 0;
}
static int zfcp_scsi_eh_abort_handler(struct scsi_cmnd *scpnt)
struct Scsi_Host *scsi_host = scpnt->device->host;
struct zfcp_adapter *adapter =
(struct zfcp_adapter *) scsi_host->hostdata[0];
- struct zfcp_unit *unit = scpnt->device->hostdata;
struct zfcp_fsf_req *old_req, *abrt_req;
unsigned long flags;
unsigned long old_reqid = (unsigned long) scpnt->host_scribble;
- int retval = SUCCESS;
+ int retval = SUCCESS, ret;
int retry = 3;
char *dbf_tag;
/* avoid race condition between late normal completion and abort */
write_lock_irqsave(&adapter->abort_lock, flags);
- spin_lock(&adapter->req_list_lock);
- old_req = zfcp_reqlist_find(adapter, old_reqid);
- spin_unlock(&adapter->req_list_lock);
+ old_req = zfcp_reqlist_find(adapter->req_list, old_reqid);
if (!old_req) {
write_unlock_irqrestore(&adapter->abort_lock, flags);
- zfcp_scsi_dbf_event_abort("lte1", adapter, scpnt, NULL,
- old_reqid);
+ zfcp_dbf_scsi_abort("abrt_or", scpnt, NULL);
return FAILED; /* completion could be in progress */
}
old_req->data = NULL;
write_unlock_irqrestore(&adapter->abort_lock, flags);
while (retry--) {
- abrt_req = zfcp_fsf_abort_fcp_command(old_reqid, unit);
+ abrt_req = zfcp_fsf_abort_fcp_cmnd(scpnt);
if (abrt_req)
break;
zfcp_erp_wait(adapter);
+ ret = fc_block_scsi_eh(scpnt);
+ if (ret) {
+ zfcp_dbf_scsi_abort("abrt_bl", scpnt, NULL);
+ return ret;
+ }
if (!(atomic_read(&adapter->status) &
ZFCP_STATUS_COMMON_RUNNING)) {
- zfcp_scsi_dbf_event_abort("nres", adapter, scpnt, NULL,
- old_reqid);
+ zfcp_dbf_scsi_abort("abrt_ru", scpnt, NULL);
return SUCCESS;
}
}
- if (!abrt_req)
+ if (!abrt_req) {
+ zfcp_dbf_scsi_abort("abrt_ar", scpnt, NULL);
return FAILED;
+ }
wait_for_completion(&abrt_req->completion);
if (abrt_req->status & ZFCP_STATUS_FSFREQ_ABORTSUCCEEDED)
- dbf_tag = "okay";
+ dbf_tag = "abrt_ok";
else if (abrt_req->status & ZFCP_STATUS_FSFREQ_ABORTNOTNEEDED)
- dbf_tag = "lte2";
+ dbf_tag = "abrt_nn";
else {
- dbf_tag = "fail";
+ dbf_tag = "abrt_fa";
retval = FAILED;
}
- zfcp_scsi_dbf_event_abort(dbf_tag, adapter, scpnt, abrt_req, old_reqid);
+ zfcp_dbf_scsi_abort(dbf_tag, scpnt, abrt_req);
zfcp_fsf_req_free(abrt_req);
return retval;
}
static int zfcp_task_mgmt_function(struct scsi_cmnd *scpnt, u8 tm_flags)
{
- struct zfcp_unit *unit = scpnt->device->hostdata;
- struct zfcp_adapter *adapter = unit->port->adapter;
- struct zfcp_fsf_req *fsf_req;
- int retval = SUCCESS;
+ struct zfcp_scsi_dev *zfcp_sdev = sdev_to_zfcp(scpnt->device);
+ struct zfcp_adapter *adapter = zfcp_sdev->port->adapter;
+ struct zfcp_fsf_req *fsf_req = NULL;
+ int retval = SUCCESS, ret;
int retry = 3;
while (retry--) {
- fsf_req = zfcp_fsf_send_fcp_ctm(unit, tm_flags);
+ fsf_req = zfcp_fsf_fcp_task_mgmt(scpnt, tm_flags);
if (fsf_req)
break;
zfcp_erp_wait(adapter);
+ ret = fc_block_scsi_eh(scpnt);
+ if (ret)
+ return ret;
+
if (!(atomic_read(&adapter->status) &
ZFCP_STATUS_COMMON_RUNNING)) {
- zfcp_scsi_dbf_event_devreset("nres", tm_flags, unit,
- scpnt);
+ zfcp_dbf_scsi_devreset("nres", scpnt, tm_flags);
return SUCCESS;
}
}
wait_for_completion(&fsf_req->completion);
if (fsf_req->status & ZFCP_STATUS_FSFREQ_TMFUNCFAILED) {
- zfcp_scsi_dbf_event_devreset("fail", tm_flags, unit, scpnt);
- retval = FAILED;
- } else if (fsf_req->status & ZFCP_STATUS_FSFREQ_TMFUNCNOTSUPP) {
- zfcp_scsi_dbf_event_devreset("nsup", tm_flags, unit, scpnt);
+ zfcp_dbf_scsi_devreset("fail", scpnt, tm_flags);
retval = FAILED;
} else
- zfcp_scsi_dbf_event_devreset("okay", tm_flags, unit, scpnt);
+ zfcp_dbf_scsi_devreset("okay", scpnt, tm_flags);
zfcp_fsf_req_free(fsf_req);
return retval;
static int zfcp_scsi_eh_device_reset_handler(struct scsi_cmnd *scpnt)
{
- return zfcp_task_mgmt_function(scpnt, FCP_LOGICAL_UNIT_RESET);
+ return zfcp_task_mgmt_function(scpnt, FCP_TMF_LUN_RESET);
}
static int zfcp_scsi_eh_target_reset_handler(struct scsi_cmnd *scpnt)
{
- return zfcp_task_mgmt_function(scpnt, FCP_TARGET_RESET);
+ return zfcp_task_mgmt_function(scpnt, FCP_TMF_TGT_RESET);
}
static int zfcp_scsi_eh_host_reset_handler(struct scsi_cmnd *scpnt)
{
- struct zfcp_unit *unit = scpnt->device->hostdata;
- struct zfcp_adapter *adapter = unit->port->adapter;
+ struct zfcp_scsi_dev *zfcp_sdev = sdev_to_zfcp(scpnt->device);
+ struct zfcp_adapter *adapter = zfcp_sdev->port->adapter;
+ int ret;
- zfcp_erp_adapter_reopen(adapter, 0, "schrh_1", scpnt);
+ zfcp_erp_adapter_reopen(adapter, 0, "schrh_1");
zfcp_erp_wait(adapter);
+ ret = fc_block_scsi_eh(scpnt);
+ if (ret)
+ return ret;
return SUCCESS;
}
}
/* tell the SCSI stack some characteristics of this adapter */
- adapter->scsi_host->max_id = 1;
- adapter->scsi_host->max_lun = 1;
+ adapter->scsi_host->max_id = 511;
+ adapter->scsi_host->max_lun = 0xFFFFFFFF;
adapter->scsi_host->max_channel = 0;
adapter->scsi_host->unique_id = dev_id.devno;
- adapter->scsi_host->max_cmd_len = 255;
+ adapter->scsi_host->max_cmd_len = 16; /* in struct fcp_cmnd */
adapter->scsi_host->transportt = zfcp_data.scsi_transport_template;
adapter->scsi_host->hostdata[0] = (unsigned long) adapter;
if (!shost)
return;
- read_lock_irq(&zfcp_data.config_lock);
- list_for_each_entry(port, &adapter->port_list_head, list)
- if (port->rport)
- port->rport = NULL;
+ read_lock_irq(&adapter->port_list_lock);
+ list_for_each_entry(port, &adapter->port_list, list)
+ port->rport = NULL;
+ read_unlock_irq(&adapter->port_list_lock);
- read_unlock_irq(&zfcp_data.config_lock);
fc_remove_host(shost);
scsi_remove_host(shost);
scsi_host_put(shost);
fc_stats = kmalloc(sizeof(*fc_stats), GFP_KERNEL);
if (!fc_stats)
return NULL;
- adapter->fc_stats = fc_stats; /* freed in adater_dequeue */
+ adapter->fc_stats = fc_stats; /* freed in adapter_release */
}
memset(adapter->fc_stats, 0, sizeof(*adapter->fc_stats));
return adapter->fc_stats;
if (!data)
return NULL;
- ret = zfcp_fsf_exchange_port_data_sync(adapter, data);
+ ret = zfcp_fsf_exchange_port_data_sync(adapter->qdio, data);
if (ret) {
kfree(data);
return NULL;
if (!data)
return;
- ret = zfcp_fsf_exchange_port_data_sync(adapter, data);
+ ret = zfcp_fsf_exchange_port_data_sync(adapter->qdio, data);
if (ret)
kfree(data);
else {
adapter->stats_reset = jiffies/HZ;
kfree(adapter->stats_reset_data);
adapter->stats_reset_data = data; /* finally freed in
- adapter_dequeue */
+ adapter_release */
}
}
rport->dev_loss_tmo = timeout;
}
-/**
- * zfcp_scsi_dev_loss_tmo_callbk - Free any reference to rport
- * @rport: The rport that is about to be deleted.
- */
-static void zfcp_scsi_dev_loss_tmo_callbk(struct fc_rport *rport)
-{
- struct zfcp_port *port;
-
- write_lock_irq(&zfcp_data.config_lock);
- port = rport->dd_data;
- if (port)
- port->rport = NULL;
- write_unlock_irq(&zfcp_data.config_lock);
-}
-
/**
* zfcp_scsi_terminate_rport_io - Terminate all I/O on a rport
* @rport: The FC rport where to teminate I/O
*
* Abort all pending SCSI commands for a port by closing the
- * port. Using a reopen for avoids a conflict with a shutdown
- * overwriting a reopen.
+ * port. Using a reopen avoids a conflict with a shutdown
+ * overwriting a reopen. The "forced" ensures that a disappeared port
+ * is not opened again as valid due to the cached plogi data in
+ * non-NPIV mode.
*/
static void zfcp_scsi_terminate_rport_io(struct fc_rport *rport)
{
struct zfcp_port *port;
+ struct Scsi_Host *shost = rport_to_shost(rport);
+ struct zfcp_adapter *adapter =
+ (struct zfcp_adapter *)shost->hostdata[0];
- write_lock_irq(&zfcp_data.config_lock);
- port = rport->dd_data;
- if (port)
- zfcp_port_get(port);
- write_unlock_irq(&zfcp_data.config_lock);
+ port = zfcp_get_port_by_wwpn(adapter, rport->port_name);
if (port) {
- zfcp_erp_port_reopen(port, 0, "sctrpi1", NULL);
- zfcp_port_put(port);
+ zfcp_erp_port_forced_reopen(port, 0, "sctrpi1");
+ put_device(&port->dev);
}
}
return;
}
- rport->dd_data = port;
rport->maxframe_size = port->maxframe_size;
rport->supported_classes = port->supported_classes;
port->rport = rport;
+ port->starget_id = rport->scsi_target_id;
+
+ zfcp_unit_queue_scsi_scan(port);
}
static void zfcp_scsi_rport_block(struct zfcp_port *port)
void zfcp_scsi_schedule_rport_register(struct zfcp_port *port)
{
- zfcp_port_get(port);
+ get_device(&port->dev);
port->rport_task = RPORT_ADD;
if (!queue_work(port->adapter->work_queue, &port->rport_work))
- zfcp_port_put(port);
+ put_device(&port->dev);
}
void zfcp_scsi_schedule_rport_block(struct zfcp_port *port)
{
- zfcp_port_get(port);
+ get_device(&port->dev);
port->rport_task = RPORT_DEL;
if (port->rport && queue_work(port->adapter->work_queue,
&port->rport_work))
return;
- zfcp_port_put(port);
+ put_device(&port->dev);
}
void zfcp_scsi_schedule_rports_block(struct zfcp_adapter *adapter)
{
+ unsigned long flags;
struct zfcp_port *port;
- list_for_each_entry(port, &adapter->port_list_head, list)
+ read_lock_irqsave(&adapter->port_list_lock, flags);
+ list_for_each_entry(port, &adapter->port_list, list)
zfcp_scsi_schedule_rport_block(port);
+ read_unlock_irqrestore(&adapter->port_list_lock, flags);
}
void zfcp_scsi_rport_work(struct work_struct *work)
}
}
- zfcp_port_put(port);
+ put_device(&port->dev);
}
+/**
+ * zfcp_scsi_set_prot - Configure DIF/DIX support in scsi_host
+ * @adapter: The adapter where to configure DIF/DIX for the SCSI host
+ */
+void zfcp_scsi_set_prot(struct zfcp_adapter *adapter)
+{
+ unsigned int mask = 0;
+ unsigned int data_div;
+ struct Scsi_Host *shost = adapter->scsi_host;
+
+ data_div = atomic_read(&adapter->status) &
+ ZFCP_STATUS_ADAPTER_DATA_DIV_ENABLED;
+
+ if (enable_dif &&
+ adapter->adapter_features & FSF_FEATURE_DIF_PROT_TYPE1)
+ mask |= SHOST_DIF_TYPE1_PROTECTION;
+
+ if (enable_dif && data_div &&
+ adapter->adapter_features & FSF_FEATURE_DIX_PROT_TCPIP) {
+ mask |= SHOST_DIX_TYPE1_PROTECTION;
+ scsi_host_set_guard(shost, SHOST_DIX_GUARD_IP);
+ shost->sg_prot_tablesize = ZFCP_QDIO_MAX_SBALES_PER_REQ / 2;
+ shost->sg_tablesize = ZFCP_QDIO_MAX_SBALES_PER_REQ / 2;
+ shost->max_sectors = ZFCP_QDIO_MAX_SBALES_PER_REQ * 8 / 2;
+ }
-void zfcp_scsi_scan(struct work_struct *work)
-{
- struct zfcp_unit *unit = container_of(work, struct zfcp_unit,
- scsi_work);
- struct fc_rport *rport;
-
- flush_work(&unit->port->rport_work);
- rport = unit->port->rport;
-
- if (rport && rport->port_state == FC_PORTSTATE_ONLINE)
- scsi_scan_target(&rport->dev, 0, rport->scsi_target_id,
- scsilun_to_int((struct scsi_lun *)
- &unit->fcp_lun), 0);
-
- zfcp_unit_put(unit);
+ scsi_host_set_prot(shost, mask);
}
-static int zfcp_execute_fc_job(struct fc_bsg_job *job)
+/**
+ * zfcp_scsi_dif_sense_error - Report DIF/DIX error as driver sense error
+ * @scmd: The SCSI command to report the error for
+ * @ascq: The ASCQ to put in the sense buffer
+ *
+ * See the error handling in sd_done for the sense codes used here.
+ * Set DID_SOFT_ERROR to retry the request, if possible.
+ */
+void zfcp_scsi_dif_sense_error(struct scsi_cmnd *scmd, int ascq)
{
- switch (job->request->msgcode) {
- case FC_BSG_RPT_ELS:
- case FC_BSG_HST_ELS_NOLOGIN:
- return zfcp_fc_execute_els_fc_job(job);
- case FC_BSG_RPT_CT:
- case FC_BSG_HST_CT:
- return zfcp_fc_execute_ct_fc_job(job);
- default:
- return -EINVAL;
- }
+ scsi_build_sense_buffer(1, scmd->sense_buffer,
+ ILLEGAL_REQUEST, 0x10, ascq);
+ set_driver_byte(scmd, DRIVER_SENSE);
+ scmd->result |= SAM_STAT_CHECK_CONDITION;
+ set_host_byte(scmd, DID_SOFT_ERROR);
}
struct fc_function_template zfcp_transport_functions = {
.show_host_port_name = 1,
.show_host_permanent_port_name = 1,
.show_host_supported_classes = 1,
+ .show_host_supported_fc4s = 1,
.show_host_supported_speeds = 1,
.show_host_maxframe_size = 1,
.show_host_serial_number = 1,
.reset_fc_host_stats = zfcp_reset_fc_host_stats,
.set_rport_dev_loss_tmo = zfcp_set_rport_dev_loss_tmo,
.get_host_port_state = zfcp_get_host_port_state,
- .dev_loss_tmo_callbk = zfcp_scsi_dev_loss_tmo_callbk,
.terminate_rport_io = zfcp_scsi_terminate_rport_io,
.show_host_port_state = 1,
- .bsg_request = zfcp_execute_fc_job,
+ .show_host_active_fc4s = 1,
+ .bsg_request = zfcp_fc_exec_bsg_job,
+ .bsg_timeout = zfcp_fc_timeout_bsg_job,
/* no functions registered for following dynamic attributes but
directly set by LLDD */
.show_host_port_type = 1,
.show_host_speed = 1,
.show_host_port_id = 1,
- .disable_target_scan = 1,
+ .dd_bsg_size = sizeof(struct zfcp_fsf_ct_els),
};
struct zfcp_data zfcp_data = {
.eh_host_reset_handler = zfcp_scsi_eh_host_reset_handler,
.can_queue = 4096,
.this_id = -1,
- .sg_tablesize = ZFCP_MAX_SBALES_PER_REQ,
+ .sg_tablesize = ZFCP_QDIO_MAX_SBALES_PER_REQ,
.cmd_per_lun = 1,
.use_clustering = 1,
.sdev_attrs = zfcp_sysfs_sdev_attrs,
- .max_sectors = (ZFCP_MAX_SBALES_PER_REQ * 8),
+ .max_sectors = (ZFCP_QDIO_MAX_SBALES_PER_REQ * 8),
+ .dma_boundary = ZFCP_QDIO_SBALE_LEN - 1,
.shost_attrs = zfcp_sysfs_shost_attrs,
},
};