Some cleanups with a micro performance improvement as a nice side effect.

git-svn-id: https://scst.svn.sourceforge.net/svnroot/scst/trunk@1182 d57e44dd-8a1f-0410-8b47-8ef2f437770f

diff --git a/qla2x00t/qla2x00-target/qla2x00t.c b/qla2x00t/qla2x00-target/qla2x00t.c
index 73124f1..ffe491f 100644 (file)
--- a/qla2x00t/qla2x00-target/qla2x00t.c
+++ b/qla2x00t/qla2x00-target/qla2x00t.c
@@ -36,6 +36,20 @@
 
 #include "qla2x00t.h"
 
+/*
+ * This driver calls qla2x00_req_pkt() and qla2x00_issue_marker(), which
+ * must be called under HW lock and could unlock/lock it inside.
+ * It isn't an issue, since in the current implementation on the time when
+ * those functions are called:
+ *
+ *   - Either context is IRQ and only IRQ handler can modify HW data,
+ *     including rings related fields,
+ *
+ *   - Or access to target mode variables from struct q2t_tgt doesn't
+ *     cross those functions boundaries, except tgt_shutdown, which
+ *     additionally protected by irq_cmd_count.
+ */
+
 #ifndef CONFIG_SCSI_QLA2XXX_TARGET
 #error "CONFIG_SCSI_QLA2XXX_TARGET is NOT DEFINED"
 #endif
@@ -144,7 +158,6 @@ static unsigned long q2t_trace_flag = Q2T_DEFAULT_LOG_FLAGS;
 #endif
 
 static struct kmem_cache *q2t_cmd_cachep;
-static struct qla_target tgt_data;
 static struct kmem_cache *q2t_mgmt_cmd_cachep;
 static mempool_t *q2t_mgmt_cmd_mempool;
 
@@ -217,11 +230,10 @@ static inline struct q2t_sess *q2t_find_sess_by_s_id_le(struct q2t_tgt *tgt,
        return NULL;
 }
 
-
 /* ha->hardware_lock supposed to be held on entry */
 static inline void q2t_exec_queue(scsi_qla_host_t *ha)
 {
-       tgt_data.isp_cmd(ha);
+       qla2x00_isp_cmd(ha);
 }
 
 /* Might release hw lock, then reaquire!! */
@@ -229,7 +241,7 @@ static inline int q2t_issue_marker(scsi_qla_host_t *ha, int ha_locked)
 {
        /* Send marker if required */
        if (unlikely(ha->marker_needed != 0)) {
-               int rc = tgt_data.issue_marker(ha, ha_locked);
+               int rc = qla2x00_issue_marker(ha, ha_locked);
                if (rc != QLA_SUCCESS) {
                        PRINT_ERROR("qla2x00tgt(%ld): issue_marker() "
                                "failed", ha->instance);
@@ -246,7 +258,7 @@ static inline int q2t_issue_marker(scsi_qla_host_t *ha, int ha_locked)
 static int q2x_target_detect(struct scst_tgt_template *templ)
 {
        int res;
-       struct qla_tgt_initiator itd = {
+       struct qla_tgt_data t = {
                .magic = QLA2X_TARGET_MAGIC,
                .tgt24_atio_pkt = q24_atio_pkt,
                .tgt_response_pkt = q2t_response_pkt,
@@ -259,16 +271,17 @@ static int q2x_target_detect(struct scst_tgt_template *templ)
 
        TRACE_ENTRY();
 
-       res = qla2xxx_tgt_register_driver(&itd, &tgt_data);
-       if (res != 0) {
+       res = qla2xxx_tgt_register_driver(&t);
+       if (res < 0) {
                PRINT_ERROR("Unable to register driver: %d", res);
                goto out;
        }
 
-       if (tgt_data.magic != QLA2X_INITIATOR_MAGIC) {
+       if (res != QLA2X_INITIATOR_MAGIC) {
                PRINT_ERROR("Wrong version of the initiator part: %d",
-                           tgt_data.magic);
+                           res);
                res = -EINVAL;
+               goto out;
        }
 
        PRINT_INFO("%s", "Target mode driver for QLogic 2x00 controller "
@@ -811,7 +824,7 @@ static int q2t_target_release(struct scst_tgt *scst_tgt)
 
        /* Big hammer */
        if (!ha->host_shutting_down)
-               tgt_data.disable_tgt_mode(ha);
+               qla2x00_disable_tgt_mode(ha);
 
        /* Wait for sessions to clear out (just in case) */
        wait_event(tgt->waitQ, test_tgt_sess_count(tgt));
@@ -854,7 +867,7 @@ static void q2x_modify_command_count(scsi_qla_host_t *ha, int cmd_count,
 
        /* Sending marker isn't necessary, since we called from ISR */
 
-       pkt = (modify_lun_entry_t *)tgt_data.req_pkt(ha);
+       pkt = (modify_lun_entry_t *)qla2x00_req_pkt(ha);
        if (pkt == NULL) {
                PRINT_ERROR("qla2x00tgt(%ld): %s failed: unable to allocate "
                        "request packet", ha->instance, __func__);
@@ -909,7 +922,7 @@ static void q2x_send_notify_ack(scsi_qla_host_t *ha, notify_entry_t *iocb,
        if (q2t_issue_marker(ha, 1) != QLA_SUCCESS)
                goto out;
 
-       ntfy = (nack_entry_t *)tgt_data.req_pkt(ha);
+       ntfy = (nack_entry_t *)qla2x00_req_pkt(ha);
        if (ntfy == NULL) {
                PRINT_ERROR("qla2x00tgt(%ld): %s failed: unable to allocate "
                        "request packet", ha->instance, __func__);
@@ -973,7 +986,7 @@ static void q24_send_abts_resp(scsi_qla_host_t *ha,
        if (q2t_issue_marker(ha, 1) != QLA_SUCCESS)
                goto out;
 
-       resp = (abts24_resp_entry_t *)tgt_data.req_pkt(ha);
+       resp = (abts24_resp_entry_t *)qla2x00_req_pkt(ha);
        if (resp == NULL) {
                PRINT_ERROR("qla2x00tgt(%ld): %s failed: unable to allocate "
                        "request packet", ha->instance, __func__);
@@ -1050,7 +1063,7 @@ static void q24_retry_term_exchange(scsi_qla_host_t *ha,
        if (q2t_issue_marker(ha, 1) != QLA_SUCCESS)
                goto out;
 
-       ctio = (ctio7_status1_entry_t *)tgt_data.req_pkt(ha);
+       ctio = (ctio7_status1_entry_t *)qla2x00_req_pkt(ha);
        if (ctio == NULL) {
                PRINT_ERROR("qla2x00tgt(%ld): %s failed: unable to allocate "
                        "request packet", ha->instance, __func__);
@@ -1173,7 +1186,7 @@ static void q24_send_task_mgmt_ctio(scsi_qla_host_t *ha,
        if (q2t_issue_marker(ha, 1) != QLA_SUCCESS)
                goto out;
 
-       ctio = (ctio7_status1_entry_t *)tgt_data.req_pkt(ha);
+       ctio = (ctio7_status1_entry_t *)qla2x00_req_pkt(ha);
        if (ctio == NULL) {
                PRINT_ERROR("qla2x00tgt(%ld): %s failed: unable to allocate "
                        "request packet", ha->instance, __func__);
@@ -1225,7 +1238,7 @@ static void q24_send_notify_ack(scsi_qla_host_t *ha,
        if (ha->tgt != NULL)
                ha->tgt->notify_ack_expected++;
 
-       nack = (nack24xx_entry_t *)tgt_data.req_pkt(ha);
+       nack = (nack24xx_entry_t *)qla2x00_req_pkt(ha);
        if (nack == NULL) {
                PRINT_ERROR("qla2x00tgt(%ld): %s failed: unable to allocate "
                        "request packet", ha->instance, __func__);
@@ -2411,7 +2424,7 @@ static void q2x_send_term_exchange(scsi_qla_host_t *ha, struct q2t_cmd *cmd,
        if (!ha_locked)
                spin_lock_irqsave(&ha->hardware_lock, flags);
 
-       ctio = (ctio_ret_entry_t *)tgt_data.req_pkt(ha);
+       ctio = (ctio_ret_entry_t *)qla2x00_req_pkt(ha);
        if (ctio == NULL) {
                PRINT_ERROR("qla2x00tgt(%ld): %s failed: unable to allocate "
                        "request packet", ha->instance, __func__);
@@ -2484,7 +2497,7 @@ static void q24_send_term_exchange(scsi_qla_host_t *ha, struct q2t_cmd *cmd,
        if (!ha_locked)
                spin_lock_irqsave(&ha->hardware_lock, flags);
 
-       ctio = (ctio7_status1_entry_t *)tgt_data.req_pkt(ha);
+       ctio = (ctio7_status1_entry_t *)qla2x00_req_pkt(ha);
        if (ctio == NULL) {
                PRINT_ERROR("qla2x00tgt(%ld): %s failed: unable to allocate "
                        "request packet", ha->instance, __func__);
@@ -3997,7 +4010,7 @@ static void q2t_handle_imm_notify(scsi_qla_host_t *ha, void *iocb)
                        /* set the Clear LIP reset event flag */
                        add_flags |= NOTIFY_ACK_CLEAR_LIP_RESET;
                }
-               tgt_data.mark_all_devices_lost(ha, 1);
+               qla2x00_mark_all_devices_lost(ha, 1);
                if (q2t_reset(ha, iocb, Q2T_ABORT_ALL) == 0)
                        send_notify_ack = 0;
                break;
@@ -4024,7 +4037,7 @@ static void q2t_handle_imm_notify(scsi_qla_host_t *ha, void *iocb)
        case IMM_NTFY_PORT_LOGOUT:
                TRACE(TRACE_MGMT, "Port logout (S %08x -> L %#x)",
                        le16_to_cpu(iocb2x->seq_id), le16_to_cpu(iocb2x->lun));
-               tgt_data.mark_all_devices_lost(ha, 1);
+               qla2x00_mark_all_devices_lost(ha, 1);
                if (q2t_reset(ha, iocb, Q2T_NEXUS_LOSS_SESS) == 0)
                        send_notify_ack = 0;
                /* The sessions will be cleared in the callback, if needed */
@@ -4032,7 +4045,7 @@ static void q2t_handle_imm_notify(scsi_qla_host_t *ha, void *iocb)
 
        case IMM_NTFY_GLBL_TPRLO:
                TRACE(TRACE_MGMT, "Global TPRLO (%x)", status);
-               tgt_data.mark_all_devices_lost(ha, 1);
+               qla2x00_mark_all_devices_lost(ha, 1);
                if (q2t_reset(ha, iocb, Q2T_NEXUS_LOSS) == 0)
                        send_notify_ack = 0;
                /* The sessions will be cleared in the callback, if needed */
@@ -4040,7 +4053,7 @@ static void q2t_handle_imm_notify(scsi_qla_host_t *ha, void *iocb)
 
        case IMM_NTFY_PORT_CONFIG:
                TRACE(TRACE_MGMT, "Port config changed (%x)", status);
-               tgt_data.mark_all_devices_lost(ha, 1);
+               qla2x00_mark_all_devices_lost(ha, 1);
                if (q2t_reset(ha, iocb, Q2T_ABORT_ALL) == 0)
                        send_notify_ack = 0;
                /* The sessions will be cleared in the callback, if needed */
@@ -4050,7 +4063,7 @@ static void q2t_handle_imm_notify(scsi_qla_host_t *ha, void *iocb)
                PRINT_ERROR("qla2x00tgt(%ld): Link failure detected",
                        ha->instance);
                /* I_T nexus loss */
-               tgt_data.mark_all_devices_lost(ha, 1);
+               qla2x00_mark_all_devices_lost(ha, 1);
                if (q2t_reset(ha, iocb, Q2T_NEXUS_LOSS) == 0)
                        send_notify_ack = 0;
                break;
@@ -4119,7 +4132,7 @@ static void q2x_send_busy(scsi_qla_host_t *ha, atio_entry_t *atio)
 
        /* Sending marker isn't necessary, since we called from ISR */
 
-       ctio = (ctio_ret_entry_t *)tgt_data.req_pkt(ha);
+       ctio = (ctio_ret_entry_t *)qla2x00_req_pkt(ha);
        if (ctio == NULL) {
                PRINT_ERROR("qla2x00tgt(%ld): %s failed: unable to allocate "
                        "request packet", ha->instance, __func__);
@@ -4174,7 +4187,7 @@ static void q24_send_busy(scsi_qla_host_t *ha, atio7_entry_t *atio,
 
        /* Sending marker isn't necessary, since we called from ISR */
 
-       ctio = (ctio7_status1_entry_t *)tgt_data.req_pkt(ha);
+       ctio = (ctio7_status1_entry_t *)qla2x00_req_pkt(ha);
        if (ctio == NULL) {
                PRINT_ERROR("qla2x00tgt(%ld): %s failed: unable to allocate "
                        "request packet", ha->instance, __func__);
@@ -4684,7 +4697,7 @@ static int q24_get_loop_id(scsi_qla_host_t *ha, atio7_entry_t *atio7,
        }
 
        /* Get list of logged in devices */
-       rc = tgt_data.get_id_list(ha, gid_list, gid_list_dma, &entries);
+       rc = qla2x00_get_id_list(ha, gid_list, gid_list_dma, &entries);
        if (rc != QLA_SUCCESS) {
                PRINT_ERROR("get_id_list() failed: %x", rc);
                res = -1;
@@ -4746,7 +4759,7 @@ static struct q2t_sess *q2t_make_local_sess(scsi_qla_host_t *ha, atio_t *atio)
 
        fcport->loop_id = loop_id;
 
-       rc = tgt_data.get_port_database(ha, fcport, 0);
+       rc = qla2x00_get_port_database(ha, fcport, 0);
        if (rc != QLA_SUCCESS) {
                PRINT_ERROR("Failed to retrieve fcport information "
                        "-- get_port_database() returned %x "
@@ -5077,7 +5090,7 @@ static int q2t_host_action(scsi_qla_host_t *ha,
 do_enable:
                TRACE_DBG("Enable tgt mode for host %ld(%ld,%p)",
                          ha->host_no, ha->instance, ha);
-               tgt_data.enable_tgt_mode(ha);
+               qla2x00_enable_tgt_mode(ha);
                break;
        }
 
@@ -5361,7 +5374,7 @@ static void __exit q2t_exit(void)
 module_init(q2t_init);
 module_exit(q2t_exit);
 
-MODULE_AUTHOR("Vladislav Bolkhovitin, Leonid Stoljar & Nathaniel Clark");
-MODULE_DESCRIPTION("Target mode addon for qla2[2,3,4+]xx");
+MODULE_AUTHOR("Vladislav Bolkhovitin and others");
+MODULE_DESCRIPTION("Target mode addon for qla2[2,3,4,5+]xx");
 MODULE_LICENSE("GPL");
 MODULE_VERSION(Q2T_VERSION_STRING);

diff --git a/qla2x00t/qla2x00-target/qla2x00t.h b/qla2x00t/qla2x00-target/qla2x00t.h
index 040d79d..c54782c 100644 (file)
--- a/qla2x00t/qla2x00-target/qla2x00t.h
+++ b/qla2x00t/qla2x00-target/qla2x00t.h
@@ -31,7 +31,7 @@
 /* Version numbers, the same as for the kernel */
 #define Q2T_VERSION(a, b, c, d)        (((a) << 030) + ((b) << 020) + (c) << 010 + (d))
 #define Q2T_VERSION_CODE       Q2T_VERSION(1, 0, 2, 0)
-#define Q2T_VERSION_STRING     "1.0.2priv"
+#define Q2T_VERSION_STRING     "2.0.0"
 #define Q2T_PROC_VERSION_NAME  "version"
 
 #define Q2T_MAX_CDB_LEN             16

diff --git a/qla2x00t/qla2x_tgt.h b/qla2x00t/qla2x_tgt.h
index e149bcb..b43e8fd 100644 (file)
--- a/qla2x00t/qla2x_tgt.h
+++ b/qla2x00t/qla2x_tgt.h
@@ -32,7 +32,7 @@ extern request_t *qla2x00_req_pkt(scsi_qla_host_t *ha);
 
 #include "qla2x_tgt_def.h"
 
-extern struct qla_tgt_initiator qla_target;
+extern struct qla_tgt_data qla_target;
 
 /* Called under HW lock */
 static inline void qla_set_tgt_mode(scsi_qla_host_t *ha)

diff --git a/qla2x00t/qla2x_tgt_def.h b/qla2x00t/qla2x_tgt_def.h
index e0fbbb3..d3fdfea 100644 (file)
--- a/qla2x00t/qla2x_tgt_def.h
+++ b/qla2x00t/qla2x_tgt_def.h
@@ -40,8 +40,17 @@
 #define LEAVE(a)
 #endif
 
-#define QLA2X_TARGET_MAGIC     263
-#define QLA2X_INITIATOR_MAGIC   57216
+/*
+ * Must be changed on any change in any initiator visible interfaces or
+ * data in the target add-on
+ */
+#define QLA2X_TARGET_MAGIC     264
+
+/*
+ * Must be changed on any change in any target visible interfaces or
+ * data in the initiator
+ */
+#define QLA2X_INITIATOR_MAGIC   57217
 
 #define QLA2X00_COMMAND_COUNT_INIT     250
 #define QLA2X00_IMMED_NOTIFY_COUNT_INIT 250
@@ -684,7 +693,8 @@ typedef enum {
        ENABLE_TARGET_MODE = 1
 } qla2x_tgt_host_action_t;
 
-struct qla_tgt_initiator {
+/* Changing it don't forget to change QLA2X_TARGET_MAGIC! */
+struct qla_tgt_data {
        int magic;
 
        /* Callbacks */
@@ -699,37 +709,7 @@ struct qla_tgt_initiator {
        void (*tgt_fc_port_deleted)(scsi_qla_host_t *ha, fc_port_t *fcport);
 };
 
-struct qla_target {
-       int magic;
-
-       /*
-        * Callbacks - H/W lock MUST be held while calling any.
-        *
-        * !!! req_pkt() and issue_marker() could unlock/lock it inside !!!
-        *
-        * But it isn't an issue, since in the current implementation:
-        *
-        *   - Either we in IRQ and only IRQ handler can modify HW data,
-        *     including rings related fields.
-        *
-        *   - Or access to target mode variables from struct q2t_tgt don't
-        *     cross those functions boundaries, except tgt_shutdown, which
-        *     additionally protected by irq_cmd_count.
-        */
-       request_t *(*req_pkt)(scsi_qla_host_t *ha);
-       void (*isp_cmd)(scsi_qla_host_t *ha);
-       void (*enable_tgt_mode)(scsi_qla_host_t *ha);
-       void (*disable_tgt_mode)(scsi_qla_host_t *ha);
-       int (*issue_marker)(scsi_qla_host_t *ha, int ha_locked);
-       void (*mark_all_devices_lost)(scsi_qla_host_t *ha, int defer);
-       int (*get_id_list)(scsi_qla_host_t *ha, void *id_list,
-               dma_addr_t id_list_dma, uint16_t *entries);
-       int (*get_port_database)(scsi_qla_host_t *ha, fc_port_t *fcport,
-               uint8_t opt);
-};
-
-int qla2xxx_tgt_register_driver(/* IN */  struct qla_tgt_initiator *tgt,
-                               /* OUT */ struct qla_target *init);
+int qla2xxx_tgt_register_driver(struct qla_tgt_data *tgt);
 
 void qla2xxx_tgt_unregister_driver(void);
 

diff --git a/qla2x00t/qla_gbl.h b/qla2x00t/qla_gbl.h
index 4172c5a..0a33de7 100644 (file)
--- a/qla2x00t/qla_gbl.h
+++ b/qla2x00t/qla_gbl.h
@@ -47,6 +47,11 @@ extern void qla2x00_update_fcport(scsi_qla_host_t *, fc_port_t *);
 extern void qla2x00_alloc_fw_dump(scsi_qla_host_t *);
 extern void qla2x00_try_to_stop_firmware(scsi_qla_host_t *);
 
+extern void qla2x00_enable_tgt_mode(scsi_qla_host_t *ha);
+extern void qla2x00_disable_tgt_mode(scsi_qla_host_t *ha);
+
+extern int qla2x00_issue_marker(scsi_qla_host_t *ha, int ha_locked);
+
 extern void qla84xx_put_chip(struct scsi_qla_host *);
 
 /*

diff --git a/qla2x00t/qla_init.c b/qla2x00t/qla_init.c
index 70c13c4..62bd953 100644 (file)
--- a/qla2x00t/qla_init.c
+++ b/qla2x00t/qla_init.c
@@ -4150,6 +4150,7 @@ qla2x00_enable_tgt_mode(scsi_qla_host_t *ha)
        qla2xxx_wake_dpc(ha);
        qla2x00_wait_for_hba_online(ha);
 }
+EXPORT_SYMBOL(qla2x00_enable_tgt_mode);
 
 /*
  * qla2x00_disable_tgt_mode - NO LOCK HELD
@@ -4169,6 +4170,7 @@ qla2x00_disable_tgt_mode(scsi_qla_host_t *ha)
        qla2xxx_wake_dpc(ha);
        qla2x00_wait_for_hba_online(ha);
 }
+EXPORT_SYMBOL(qla2x00_disable_tgt_mode);
 
 /*
  * qla2x00_issue_marker
@@ -4190,9 +4192,9 @@ int qla2x00_issue_marker(scsi_qla_host_t *ha, int ha_locked)
        ha->marker_needed = 0;
        return QLA_SUCCESS;
 }
+EXPORT_SYMBOL(qla2x00_issue_marker);
 
-int qla2xxx_tgt_register_driver(struct qla_tgt_initiator *tgt_data,
-                               struct qla_target *init_data)
+int qla2xxx_tgt_register_driver(struct qla_tgt_data *tgt_data)
 {
        int res = 0;
 
@@ -4207,15 +4209,7 @@ int qla2xxx_tgt_register_driver(struct qla_tgt_initiator *tgt_data,
 
        memcpy(&qla_target, tgt_data, sizeof(qla_target));
 
-       init_data->magic = QLA2X_INITIATOR_MAGIC;
-       init_data->req_pkt = qla2x00_req_pkt;
-       init_data->isp_cmd = qla2x00_isp_cmd;
-       init_data->enable_tgt_mode = qla2x00_enable_tgt_mode;
-       init_data->disable_tgt_mode = qla2x00_disable_tgt_mode;
-       init_data->issue_marker = qla2x00_issue_marker;
-       init_data->mark_all_devices_lost = qla2x00_mark_all_devices_lost;
-       init_data->get_port_database = qla2x00_get_port_database;
-       init_data->get_id_list = qla2x00_get_id_list;
+       res = QLA2X_INITIATOR_MAGIC;
 
 out:
        LEAVE(__func__);

diff --git a/qla2x00t/qla_iocb.c b/qla2x00t/qla_iocb.c
index 05801ff..7268ee7 100644 (file)
--- a/qla2x00t/qla_iocb.c
+++ b/qla2x00t/qla_iocb.c
@@ -535,6 +535,7 @@ qla2x00_req_pkt(scsi_qla_host_t *ha)
 
        return (pkt);
 }
+EXPORT_SYMBOL(qla2x00_req_pkt);
 
 /**
  * qla2x00_isp_cmd() - Modify the request ring pointer.
@@ -568,6 +569,7 @@ qla2x00_isp_cmd(scsi_qla_host_t *ha)
                RD_REG_WORD_RELAXED(ISP_REQ_Q_IN(ha, &reg->isp));
        }
 }
+EXPORT_SYMBOL(qla2x00_isp_cmd);
 
 /**
  * qla24xx_calc_iocbs() - Determine number of Command Type 3 and

diff --git a/qla2x00t/qla_isr.c b/qla2x00t/qla_isr.c
index 77703f8..ca7df4c 100644 (file)
--- a/qla2x00t/qla_isr.c
+++ b/qla2x00t/qla_isr.c
@@ -9,7 +9,7 @@
 #include "qla2x_tgt.h"
 
 #ifdef CONFIG_SCSI_QLA2XXX_TARGET
-struct qla_tgt_initiator qla_target;
+struct qla_tgt_data qla_target;
 #endif
 
 #include <linux/delay.h>

diff --git a/qla2x00t/qla_mbx.c b/qla2x00t/qla_mbx.c
index ba56380..5b0c257 100644 (file)
--- a/qla2x00t/qla_mbx.c
+++ b/qla2x00t/qla_mbx.c
@@ -1233,6 +1233,7 @@ gpd_error_out:
 
        return rval;
 }
+EXPORT_SYMBOL(qla2x00_get_port_database);
 
 /*
  * qla2x00_get_firmware_state
@@ -1950,6 +1951,7 @@ qla2x00_get_id_list(scsi_qla_host_t *ha, void *id_list, dma_addr_t id_list_dma,
 
        return rval;
 }
+EXPORT_SYMBOL(qla2x00_get_id_list);
 
 /*
  * qla2x00_get_resource_cnts

diff --git a/qla2x00t/qla_os.c b/qla2x00t/qla_os.c
index 49e5016..7e19e54 100644 (file)
--- a/qla2x00t/qla_os.c
+++ b/qla2x00t/qla_os.c
@@ -1990,6 +1990,7 @@ qla2x00_mark_all_devices_lost(scsi_qla_host_t *ha, int defer)
        if (defer)
                qla2xxx_wake_dpc(ha);
 }
+EXPORT_SYMBOL(qla2x00_mark_all_devices_lost);
 
 /*
 * qla2x00_mem_alloc