zfcp patches for 2.6.39 merge window

@@ -1552,7 +1552,7 @@ int zfcp_fsf_open_wka_port(struct zfcp_f
 				  SBAL_FLAGS0_TYPE_READ,
 				  qdio->adapter->pool.erp_req);
 
-	if (unlikely(IS_ERR(req))) {
+	if (IS_ERR(req)) {
 		retval = PTR_ERR(req);
 		goto out;
 	}

@@ -1605,7 +1605,7 @@ int zfcp_fsf_close_wka_port(struct zfcp_
 				  SBAL_FLAGS0_TYPE_READ,
 				  qdio->adapter->pool.erp_req);
 
-	if (unlikely(IS_ERR(req))) {
+	if (IS_ERR(req)) {
 		retval = PTR_ERR(req);
 		goto out;
 	}

@@ -89,7 +89,6 @@ struct zfcp_reqlist;
 #define ZFCP_STATUS_LUN_READONLY		0x00000008
 
 /* FSF request status (this does not have a common part) */
-#define ZFCP_STATUS_FSFREQ_TASK_MANAGEMENT	0x00000002
 #define ZFCP_STATUS_FSFREQ_ERROR		0x00000008
 #define ZFCP_STATUS_FSFREQ_CLEANUP		0x00000010
 #define ZFCP_STATUS_FSFREQ_ABORTSUCCEEDED	0x00000040

@@ -2284,7 +2284,6 @@ struct zfcp_fsf_req *zfcp_fsf_fcp_task_m
 		goto out;
 	}
 
-	req->status |= ZFCP_STATUS_FSFREQ_TASK_MANAGEMENT;
 	req->data = scmnd;
 	req->handler = zfcp_fsf_fcp_task_mgmt_handler;
 	req->qtcb->header.lun_handle = zfcp_sdev->lun_handle;

@@ -132,11 +132,6 @@ static int __init zfcp_module_init(void)
 	if (!zfcp_data.qtcb_cache)
 		goto out_qtcb_cache;
 
-	zfcp_data.sr_buffer_cache = zfcp_cache_hw_align("zfcp_sr",
-					sizeof(struct fsf_status_read_buffer));
-	if (!zfcp_data.sr_buffer_cache)
-		goto out_sr_cache;
-
 	zfcp_data.gid_pn_cache = zfcp_cache_hw_align("zfcp_gid",
 					sizeof(struct zfcp_fc_gid_pn));
 	if (!zfcp_data.gid_pn_cache)

@@ -181,8 +176,6 @@ out_transport:
 out_adisc_cache:
 	kmem_cache_destroy(zfcp_data.gid_pn_cache);
 out_gid_cache:
-	kmem_cache_destroy(zfcp_data.sr_buffer_cache);
-out_sr_cache:
 	kmem_cache_destroy(zfcp_data.qtcb_cache);
 out_qtcb_cache:
 	kmem_cache_destroy(zfcp_data.gpn_ft_cache);

@@ -199,7 +192,6 @@ static void __exit zfcp_module_exit(void
 	fc_release_transport(zfcp_data.scsi_transport_template);
 	kmem_cache_destroy(zfcp_data.adisc_cache);
 	kmem_cache_destroy(zfcp_data.gid_pn_cache);
-	kmem_cache_destroy(zfcp_data.sr_buffer_cache);
 	kmem_cache_destroy(zfcp_data.qtcb_cache);
 	kmem_cache_destroy(zfcp_data.gpn_ft_cache);
 }

@@ -264,10 +256,10 @@ static int zfcp_allocate_low_mem_buffers
 	if (!adapter->pool.qtcb_pool)
 		return -ENOMEM;
 
-	adapter->pool.status_read_data =
-		mempool_create_slab_pool(FSF_STATUS_READS_RECOM,
-					 zfcp_data.sr_buffer_cache);
-	if (!adapter->pool.status_read_data)
+	BUILD_BUG_ON(sizeof(struct fsf_status_read_buffer) > PAGE_SIZE);
+	adapter->pool.sr_data =
+		mempool_create_page_pool(FSF_STATUS_READS_RECOM, 0);
+	if (!adapter->pool.sr_data)
 		return -ENOMEM;
 
 	adapter->pool.gid_pn =

@@ -290,8 +282,8 @@ static void zfcp_free_low_mem_buffers(st
 		mempool_destroy(adapter->pool.qtcb_pool);
 	if (adapter->pool.status_read_req)
 		mempool_destroy(adapter->pool.status_read_req);
-	if (adapter->pool.status_read_data)
-		mempool_destroy(adapter->pool.status_read_data);
+	if (adapter->pool.sr_data)
+		mempool_destroy(adapter->pool.sr_data);
 	if (adapter->pool.gid_pn)
 		mempool_destroy(adapter->pool.gid_pn);
 }

@@ -107,7 +107,7 @@ struct zfcp_adapter_mempool {
 	mempool_t *scsi_req;
 	mempool_t *scsi_abort;
 	mempool_t *status_read_req;
-	mempool_t *status_read_data;
+	mempool_t *sr_data;
 	mempool_t *gid_pn;
 	mempool_t *qtcb_pool;
 };

@@ -319,7 +319,6 @@ struct zfcp_data {
 	struct scsi_transport_template *scsi_transport_template;
 	struct kmem_cache	*gpn_ft_cache;
 	struct kmem_cache	*qtcb_cache;
-	struct kmem_cache	*sr_buffer_cache;
 	struct kmem_cache	*gid_pn_cache;
 	struct kmem_cache	*adisc_cache;
 };

@@ -732,7 +732,7 @@ static int zfcp_erp_adapter_strategy_ope
 	if (zfcp_erp_adapter_strategy_open_fsf_xport(act) == ZFCP_ERP_FAILED)
 		return ZFCP_ERP_FAILED;
 
-	if (mempool_resize(act->adapter->pool.status_read_data,
+	if (mempool_resize(act->adapter->pool.sr_data,
 			   act->adapter->stat_read_buf_num, GFP_KERNEL))
 		return ZFCP_ERP_FAILED;
 

@@ -212,7 +212,7 @@ static void zfcp_fsf_status_read_handler
 
 	if (req->status & ZFCP_STATUS_FSFREQ_DISMISSED) {
 		zfcp_dbf_hba_fsf_uss("fssrh_1", req);
-		mempool_free(sr_buf, adapter->pool.status_read_data);
+		mempool_free(virt_to_page(sr_buf), adapter->pool.sr_data);
 		zfcp_fsf_req_free(req);
 		return;
 	}

@@ -265,7 +265,7 @@ static void zfcp_fsf_status_read_handler
 		break;
 	}
 
-	mempool_free(sr_buf, adapter->pool.status_read_data);
+	mempool_free(virt_to_page(sr_buf), adapter->pool.sr_data);
 	zfcp_fsf_req_free(req);
 
 	atomic_inc(&adapter->stat_miss);

@@ -723,6 +723,7 @@ int zfcp_fsf_status_read(struct zfcp_qdi
 	struct zfcp_adapter *adapter = qdio->adapter;
 	struct zfcp_fsf_req *req;
 	struct fsf_status_read_buffer *sr_buf;
+	struct page *page;
 	int retval = -EIO;
 
 	spin_lock_irq(&qdio->req_q_lock);

@@ -736,11 +737,12 @@ int zfcp_fsf_status_read(struct zfcp_qdi
 		goto out;
 	}
 
-	sr_buf = mempool_alloc(adapter->pool.status_read_data, GFP_ATOMIC);
-	if (!sr_buf) {
+	page = mempool_alloc(adapter->pool.sr_data, GFP_ATOMIC);
+	if (!page) {
 		retval = -ENOMEM;
 		goto failed_buf;
 	}
+	sr_buf = page_address(page);
 	memset(sr_buf, 0, sizeof(*sr_buf));
 	req->data = sr_buf;
 

@@ -755,7 +757,7 @@ int zfcp_fsf_status_read(struct zfcp_qdi
 
 failed_req_send:
 	req->data = NULL;
-	mempool_free(sr_buf, adapter->pool.status_read_data);
+	mempool_free(virt_to_page(sr_buf), adapter->pool.sr_data);
 failed_buf:
 	zfcp_dbf_hba_fsf_uss("fssr__1", req);
 	zfcp_fsf_req_free(req);

@@ -137,10 +137,10 @@ static int __init zfcp_module_init(void)
 	if (!zfcp_data.gid_pn_cache)
 		goto out_gid_cache;
 
-	zfcp_data.adisc_cache = zfcp_cache_hw_align("zfcp_adisc",
-					sizeof(struct zfcp_fc_els_adisc));
-	if (!zfcp_data.adisc_cache)
-		goto out_adisc_cache;
+	zfcp_fc_req_cache = zfcp_cache_hw_align("zfcp_fc_req",
+						sizeof(struct zfcp_fc_req));
+	if (!zfcp_fc_req_cache)
+		goto out_fc_cache;
 
 	zfcp_data.scsi_transport_template =
 		fc_attach_transport(&zfcp_transport_functions);

@@ -172,8 +172,8 @@ out_ccw_register:
 out_misc:
 	fc_release_transport(zfcp_data.scsi_transport_template);
 out_transport:
-	kmem_cache_destroy(zfcp_data.adisc_cache);
-out_adisc_cache:
+	kmem_cache_destroy(zfcp_fc_req_cache);
+out_fc_cache:
 	kmem_cache_destroy(zfcp_data.gid_pn_cache);
 out_gid_cache:
 	kmem_cache_destroy(zfcp_data.qtcb_cache);

@@ -190,7 +190,7 @@ static void __exit zfcp_module_exit(void
 	ccw_driver_unregister(&zfcp_ccw_driver);
 	misc_deregister(&zfcp_cfdc_misc);
 	fc_release_transport(zfcp_data.scsi_transport_template);
-	kmem_cache_destroy(zfcp_data.adisc_cache);
+	kmem_cache_destroy(zfcp_fc_req_cache);
 	kmem_cache_destroy(zfcp_data.gid_pn_cache);
 	kmem_cache_destroy(zfcp_data.qtcb_cache);
 	kmem_cache_destroy(zfcp_data.gpn_ft_cache);

@@ -320,7 +320,6 @@ struct zfcp_data {
 	struct kmem_cache	*gpn_ft_cache;
 	struct kmem_cache	*qtcb_cache;
 	struct kmem_cache	*gid_pn_cache;
-	struct kmem_cache	*adisc_cache;
 };
 
 #endif /* ZFCP_DEF_H */

@@ -80,6 +80,7 @@ extern void zfcp_erp_notify(struct zfcp_
 extern void zfcp_erp_timeout_handler(unsigned long);
 
 /* zfcp_fc.c */
+extern struct kmem_cache *zfcp_fc_req_cache;
 extern void zfcp_fc_enqueue_event(struct zfcp_adapter *,
 				enum fc_host_event_code event_code, u32);
 extern void zfcp_fc_post_event(struct work_struct *);

83 lines not on this page · raw message

@@ -123,19 +123,22 @@ struct zfcp_fc_gpn_ft {
 };
 
 /**
- * struct zfcp_fc_els_adisc - everything required in zfcp for issuing ELS ADISC
- * @els: data required for issuing els fsf command
- * @req: scatterlist entry for ELS ADISC request
- * @resp: scatterlist entry for ELS ADISC response
- * @adisc_req: ELS ADISC request data
- * @adisc_resp: ELS ADISC response data
+ * struct zfcp_fc_req - Container for FC ELS and CT requests sent from zfcp
+ * @ct_els: data required for issuing fsf command
+ * @sg_req: scatterlist entry for request data
+ * @sg_rsp: scatterlist entry for response data
+ * @u: request specific data
  */
-struct zfcp_fc_els_adisc {
-	struct zfcp_fsf_ct_els els;
-	struct scatterlist req;
-	struct scatterlist resp;
-	struct fc_els_adisc adisc_req;
-	struct fc_els_adisc adisc_resp;
+struct zfcp_fc_req {
+	struct zfcp_fsf_ct_els				ct_els;
+	struct scatterlist				sg_req;
+	struct scatterlist				sg_rsp;
+	union {
+		struct {
+			struct fc_els_adisc		req;
+			struct fc_els_adisc		rsp;
+		} adisc;
+	} u;
 };
 
 /**

@@ -132,11 +132,6 @@ static int __init zfcp_module_init(void)
 	if (!zfcp_data.qtcb_cache)
 		goto out_qtcb_cache;
 
-	zfcp_data.gid_pn_cache = zfcp_cache_hw_align("zfcp_gid",
-					sizeof(struct zfcp_fc_gid_pn));
-	if (!zfcp_data.gid_pn_cache)
-		goto out_gid_cache;
-
 	zfcp_fc_req_cache = zfcp_cache_hw_align("zfcp_fc_req",
 						sizeof(struct zfcp_fc_req));
 	if (!zfcp_fc_req_cache)

@@ -174,8 +169,6 @@ out_misc:
 out_transport:
 	kmem_cache_destroy(zfcp_fc_req_cache);
 out_fc_cache:
-	kmem_cache_destroy(zfcp_data.gid_pn_cache);
-out_gid_cache:
 	kmem_cache_destroy(zfcp_data.qtcb_cache);
 out_qtcb_cache:
 	kmem_cache_destroy(zfcp_data.gpn_ft_cache);

@@ -191,7 +184,6 @@ static void __exit zfcp_module_exit(void
 	misc_deregister(&zfcp_cfdc_misc);
 	fc_release_transport(zfcp_data.scsi_transport_template);
 	kmem_cache_destroy(zfcp_fc_req_cache);
-	kmem_cache_destroy(zfcp_data.gid_pn_cache);
 	kmem_cache_destroy(zfcp_data.qtcb_cache);
 	kmem_cache_destroy(zfcp_data.gpn_ft_cache);
 }

@@ -263,7 +255,7 @@ static int zfcp_allocate_low_mem_buffers
 		return -ENOMEM;
 
 	adapter->pool.gid_pn =
-		mempool_create_slab_pool(1, zfcp_data.gid_pn_cache);
+		mempool_create_slab_pool(1, zfcp_fc_req_cache);
 	if (!adapter->pool.gid_pn)
 		return -ENOMEM;
 

@@ -319,7 +319,6 @@ struct zfcp_data {
 	struct scsi_transport_template *scsi_transport_template;
 	struct kmem_cache	*gpn_ft_cache;
 	struct kmem_cache	*qtcb_cache;
-	struct kmem_cache	*gid_pn_cache;
 };
 
 #endif /* ZFCP_DEF_H */

131 lines not on this page · raw message

@@ -64,33 +64,16 @@ struct zfcp_fc_gid_pn_req {
 } __packed;
 
 /**
- * struct zfcp_fc_gid_pn_resp - container for ct header plus gid_pn response
+ * struct zfcp_fc_gid_pn_rsp - container for ct header plus gid_pn response
  * @ct_hdr: FC GS common transport header
  * @gid_pn: GID_PN response
  */
-struct zfcp_fc_gid_pn_resp {
+struct zfcp_fc_gid_pn_rsp {
 	struct fc_ct_hdr	ct_hdr;
 	struct fc_gid_pn_resp	gid_pn;
 } __packed;
 
 /**
- * struct zfcp_fc_gid_pn - everything required in zfcp for gid_pn request
- * @ct: data passed to zfcp_fsf for issuing fsf request
- * @sg_req: scatterlist entry for request data
- * @sg_resp: scatterlist entry for response data
- * @gid_pn_req: GID_PN request data
- * @gid_pn_resp: GID_PN response data
- */
-struct zfcp_fc_gid_pn {
-	struct zfcp_fsf_ct_els ct;
-	struct scatterlist sg_req;
-	struct scatterlist sg_resp;
-	struct zfcp_fc_gid_pn_req gid_pn_req;
-	struct zfcp_fc_gid_pn_resp gid_pn_resp;
-	struct zfcp_port *port;
-};
-
-/**
  * struct zfcp_fc_gpn_ft - container for ct header plus gpn_ft request
  * @ct_hdr: FC GS common transport header
  * @gpn_ft: GPN_FT request

@@ -138,6 +121,10 @@ struct zfcp_fc_req {
 			struct fc_els_adisc		req;
 			struct fc_els_adisc		rsp;
 		} adisc;
+		struct {
+			struct zfcp_fc_gid_pn_req	req;
+			struct zfcp_fc_gid_pn_rsp	rsp;
+		} gid_pn;
 	} u;
 };
 

@@ -122,11 +122,6 @@ static int __init zfcp_module_init(void)
 {
 	int retval = -ENOMEM;
 
-	zfcp_data.gpn_ft_cache = zfcp_cache_hw_align("zfcp_gpn",
-					sizeof(struct zfcp_fc_gpn_ft_req));
-	if (!zfcp_data.gpn_ft_cache)
-		goto out;
-
 	zfcp_data.qtcb_cache = zfcp_cache_hw_align("zfcp_qtcb",
 					sizeof(struct fsf_qtcb));
 	if (!zfcp_data.qtcb_cache)

@@ -171,8 +166,6 @@ out_transport:
 out_fc_cache:
 	kmem_cache_destroy(zfcp_data.qtcb_cache);
 out_qtcb_cache:
-	kmem_cache_destroy(zfcp_data.gpn_ft_cache);
-out:
 	return retval;
 }
 

@@ -185,7 +178,6 @@ static void __exit zfcp_module_exit(void
 	fc_release_transport(zfcp_data.scsi_transport_template);
 	kmem_cache_destroy(zfcp_fc_req_cache);
 	kmem_cache_destroy(zfcp_data.qtcb_cache);
-	kmem_cache_destroy(zfcp_data.gpn_ft_cache);
 }
 
 module_exit(zfcp_module_exit);

@@ -317,7 +317,6 @@ struct zfcp_fsf_req {
 struct zfcp_data {
 	struct scsi_host_template scsi_host_template;
 	struct scsi_transport_template *scsi_transport_template;
-	struct kmem_cache	*gpn_ft_cache;
 	struct kmem_cache	*qtcb_cache;
 };
 

145 lines not on this page · raw message

@@ -84,28 +84,6 @@ struct zfcp_fc_gpn_ft_req {
 } __packed;
 
 /**
- * struct zfcp_fc_gpn_ft_resp - container for ct header plus gpn_ft response
- * @ct_hdr: FC GS common transport header
- * @gpn_ft: Array of gpn_ft response data to fill one memory page
- */
-struct zfcp_fc_gpn_ft_resp {
-	struct fc_ct_hdr	ct_hdr;
-	struct fc_gpn_ft_resp	gpn_ft[ZFCP_FC_GPN_FT_ENT_PAGE];
-} __packed;
-
-/**
- * struct zfcp_fc_gpn_ft - zfcp data for gpn_ft request
- * @ct: data passed to zfcp_fsf for issuing fsf request
- * @sg_req: scatter list entry for gpn_ft request
- * @sg_resp: scatter list entries for gpn_ft responses (per memory page)
- */
-struct zfcp_fc_gpn_ft {
-	struct zfcp_fsf_ct_els ct;
-	struct scatterlist sg_req;
-	struct scatterlist sg_resp[ZFCP_FC_GPN_FT_NUM_BUFS];
-};
-
-/**
  * struct zfcp_fc_req - Container for FC ELS and CT requests sent from zfcp
  * @ct_els: data required for issuing fsf command
  * @sg_req: scatterlist entry for request data

@@ -125,6 +103,10 @@ struct zfcp_fc_req {
 			struct zfcp_fc_gid_pn_req	req;
 			struct zfcp_fc_gid_pn_rsp	rsp;
 		} gid_pn;
+		struct {
+			struct scatterlist sg_rsp2[ZFCP_FC_GPN_FT_NUM_BUFS - 1];
+			struct zfcp_fc_gpn_ft_req	req;
+		} gpn_ft;
 	} u;
 };
 

@@ -122,9 +122,9 @@ static int __init zfcp_module_init(void)
 {
 	int retval = -ENOMEM;
 
-	zfcp_data.qtcb_cache = zfcp_cache_hw_align("zfcp_qtcb",
-					sizeof(struct fsf_qtcb));
-	if (!zfcp_data.qtcb_cache)
+	zfcp_fsf_qtcb_cache = zfcp_cache_hw_align("zfcp_fsf_qtcb",
+						  sizeof(struct fsf_qtcb));
+	if (!zfcp_fsf_qtcb_cache)
 		goto out_qtcb_cache;
 
 	zfcp_fc_req_cache = zfcp_cache_hw_align("zfcp_fc_req",

@@ -164,7 +164,7 @@ out_misc:
 out_transport:
 	kmem_cache_destroy(zfcp_fc_req_cache);
 out_fc_cache:
-	kmem_cache_destroy(zfcp_data.qtcb_cache);
+	kmem_cache_destroy(zfcp_fsf_qtcb_cache);
 out_qtcb_cache:
 	return retval;
 }

@@ -177,7 +177,7 @@ static void __exit zfcp_module_exit(void
 	misc_deregister(&zfcp_cfdc_misc);
 	fc_release_transport(zfcp_data.scsi_transport_template);
 	kmem_cache_destroy(zfcp_fc_req_cache);
-	kmem_cache_destroy(zfcp_data.qtcb_cache);
+	kmem_cache_destroy(zfcp_fsf_qtcb_cache);
 }
 
 module_exit(zfcp_module_exit);

@@ -236,7 +236,7 @@ static int zfcp_allocate_low_mem_buffers
 		return -ENOMEM;
 
 	adapter->pool.qtcb_pool =
-		mempool_create_slab_pool(4, zfcp_data.qtcb_cache);
+		mempool_create_slab_pool(4, zfcp_fsf_qtcb_cache);
 	if (!adapter->pool.qtcb_pool)
 		return -ENOMEM;
 

@@ -317,7 +317,6 @@ struct zfcp_fsf_req {
 struct zfcp_data {
 	struct scsi_host_template scsi_host_template;
 	struct scsi_transport_template *scsi_transport_template;
-	struct kmem_cache	*qtcb_cache;
 };
 
 #endif /* ZFCP_DEF_H */

@@ -98,6 +98,7 @@ extern int zfcp_fc_exec_bsg_job(struct f
 extern int zfcp_fc_timeout_bsg_job(struct fc_bsg_job *);
 
 /* zfcp_fsf.c */
+extern struct kmem_cache *zfcp_fsf_qtcb_cache;
 extern int zfcp_fsf_open_port(struct zfcp_erp_action *);
 extern int zfcp_fsf_open_wka_port(struct zfcp_fc_wka_port *);
 extern int zfcp_fsf_close_wka_port(struct zfcp_fc_wka_port *);

@@ -18,6 +18,8 @@
 #include "zfcp_qdio.h"
 #include "zfcp_reqlist.h"
 
+struct kmem_cache *zfcp_fsf_qtcb_cache;
+
 static void zfcp_fsf_request_timeout_handler(unsigned long data)
 {
 	struct zfcp_adapter *adapter = (struct zfcp_adapter *) data;

@@ -83,7 +85,7 @@ void zfcp_fsf_req_free(struct zfcp_fsf_r
 	}
 
 	if (likely(req->qtcb))
-		kmem_cache_free(zfcp_data.qtcb_cache, req->qtcb);
+		kmem_cache_free(zfcp_fsf_qtcb_cache, req->qtcb);
 	kfree(req);
 }
 

@@ -628,7 +630,7 @@ static struct fsf_qtcb *zfcp_qtcb_alloc(
 	if (likely(pool))
 		qtcb = mempool_alloc(pool, GFP_ATOMIC);
 	else
-		qtcb = kmem_cache_alloc(zfcp_data.qtcb_cache, GFP_ATOMIC);
+		qtcb = kmem_cache_alloc(zfcp_fsf_qtcb_cache, GFP_ATOMIC);
 
 	if (unlikely(!qtcb))
 		return NULL;

@@ -164,14 +164,21 @@ struct zfcp_fc_wka_ports {
  * zfcp_fc_scsi_to_fcp - setup FCP command with data from scsi_cmnd
  * @fcp: fcp_cmnd to setup
  * @scsi: scsi_cmnd where to get LUN, task attributes/flags and CDB
+ * @tm: task management flags to setup task management command
  */
 static inline
-void zfcp_fc_scsi_to_fcp(struct fcp_cmnd *fcp, struct scsi_cmnd *scsi)
+void zfcp_fc_scsi_to_fcp(struct fcp_cmnd *fcp, struct scsi_cmnd *scsi,
+			 u8 tm_flags)
 {
 	char tag[2];
 
 	int_to_scsilun(scsi->device->lun, (struct scsi_lun *) &fcp->fc_lun);
 
+	if (unlikely(tm_flags)) {
+		fcp->fc_tm_flags = tm_flags;
+		return;
+	}
+
 	if (scsi_populate_tag_msg(scsi, tag)) {
 		switch (tag[0]) {
 		case MSG_ORDERED_TAG:

@@ -198,19 +205,6 @@ void zfcp_fc_scsi_to_fcp(struct fcp_cmnd
 }
 
 /**
- * zfcp_fc_fcp_tm - setup FCP command as task management command
- * @fcp: fcp_cmnd to setup
- * @dev: scsi_device where to send the task management command
- * @tm: task management flags to setup tm command
- */
-static inline
-void zfcp_fc_fcp_tm(struct fcp_cmnd *fcp, struct scsi_device *dev, u8 tm_flags)
-{
-	int_to_scsilun(dev->lun, (struct scsi_lun *) &fcp->fc_lun);
-	fcp->fc_tm_flags |= tm_flags;
-}
-
-/**
  * zfcp_fc_evap_fcp_rsp - evaluate FCP RSP IU and update scsi_cmnd accordingly
  * @fcp_rsp: FCP RSP IU to evaluate
  * @scsi: SCSI command where to update status and sense buffer

@@ -2210,7 +2210,7 @@ int zfcp_fsf_fcp_cmnd(struct scsi_cmnd *
 	zfcp_fsf_set_data_dir(scsi_cmnd, &io->data_direction);
 
 	fcp_cmnd = (struct fcp_cmnd *) &req->qtcb->bottom.io.fcp_cmnd;
-	zfcp_fc_scsi_to_fcp(fcp_cmnd, scsi_cmnd);
+	zfcp_fc_scsi_to_fcp(fcp_cmnd, scsi_cmnd, 0);
 
 	if (scsi_prot_sg_count(scsi_cmnd)) {
 		zfcp_qdio_set_data_div(qdio, &req->qdio_req,

@@ -2299,7 +2299,7 @@ struct zfcp_fsf_req *zfcp_fsf_fcp_task_m
 	zfcp_qdio_set_sbale_last(qdio, &req->qdio_req);
 
 	fcp_cmnd = (struct fcp_cmnd *) &req->qtcb->bottom.io.fcp_cmnd;
-	zfcp_fc_fcp_tm(fcp_cmnd, scmnd->device, tm_flags);
+	zfcp_fc_scsi_to_fcp(fcp_cmnd, scmnd, tm_flags);
 
 	zfcp_fsf_start_timer(req, ZFCP_SCSI_ER_TIMEOUT);
 	if (!zfcp_fsf_req_send(req))

@@ -132,11 +132,11 @@ static int __init zfcp_module_init(void)
 	if (!zfcp_fc_req_cache)
 		goto out_fc_cache;
 
-	zfcp_data.scsi_transport_template =
+	zfcp_scsi_transport_template =
 		fc_attach_transport(&zfcp_transport_functions);
-	if (!zfcp_data.scsi_transport_template)
+	if (!zfcp_scsi_transport_template)
 		goto out_transport;
-	scsi_transport_reserve_device(zfcp_data.scsi_transport_template,
+	scsi_transport_reserve_device(zfcp_scsi_transport_template,
 				      sizeof(struct zfcp_scsi_dev));
 
 

@@ -160,7 +160,7 @@ static int __init zfcp_module_init(void)
 out_ccw_register:
 	misc_deregister(&zfcp_cfdc_misc);
 out_misc:
-	fc_release_transport(zfcp_data.scsi_transport_template);
+	fc_release_transport(zfcp_scsi_transport_template);
 out_transport:
 	kmem_cache_destroy(zfcp_fc_req_cache);
 out_fc_cache:

@@ -175,7 +175,7 @@ static void __exit zfcp_module_exit(void
 {
 	ccw_driver_unregister(&zfcp_ccw_driver);
 	misc_deregister(&zfcp_cfdc_misc);
-	fc_release_transport(zfcp_data.scsi_transport_template);
+	fc_release_transport(zfcp_scsi_transport_template);
 	kmem_cache_destroy(zfcp_fc_req_cache);
 	kmem_cache_destroy(zfcp_fsf_qtcb_cache);
 }

@@ -413,7 +413,7 @@ struct zfcp_adapter *zfcp_adapter_enqueu
 	adapter->dma_parms.max_segment_size = ZFCP_QDIO_SBALE_LEN;
 	adapter->ccw_device->dev.dma_parms = &adapter->dma_parms;
 
-	if (!zfcp_adapter_scsi_register(adapter))
+	if (!zfcp_scsi_adapter_register(adapter))
 		return adapter;
 
 failed:

@@ -430,7 +430,7 @@ void zfcp_adapter_unregister(struct zfcp
 	zfcp_destroy_adapter_work_queue(adapter);
 
 	zfcp_fc_wka_ports_force_offline(adapter->gs);
-	zfcp_adapter_scsi_unregister(adapter);
+	zfcp_scsi_adapter_unregister(adapter);
 	sysfs_remove_group(&cdev->dev.kobj, &zfcp_sysfs_adapter_attrs);
 
 	zfcp_erp_thread_kill(adapter);

@@ -313,10 +313,4 @@ struct zfcp_fsf_req {
 	void			(*handler)(struct zfcp_fsf_req *);
 };
 
-/* driver data */
-struct zfcp_data {
-	struct scsi_host_template scsi_host_template;
-	struct scsi_transport_template *scsi_transport_template;
-};
-
 #endif /* ZFCP_DEF_H */

@@ -141,9 +141,9 @@ extern struct zfcp_fsf_req *zfcp_fsf_get
 					     struct qdio_buffer *);
 
 /* zfcp_scsi.c */
-extern struct zfcp_data zfcp_data;
-extern int zfcp_adapter_scsi_register(struct zfcp_adapter *);
-extern void zfcp_adapter_scsi_unregister(struct zfcp_adapter *);
+extern struct scsi_transport_template *zfcp_scsi_transport_template;
+extern int zfcp_scsi_adapter_register(struct zfcp_adapter *);
+extern void zfcp_scsi_adapter_unregister(struct zfcp_adapter *);
 extern struct fc_function_template zfcp_transport_functions;
 extern void zfcp_scsi_rport_work(struct work_struct *);
 extern void zfcp_scsi_schedule_rport_register(struct zfcp_port *);

103 lines not on this page · raw message

@@ -41,6 +41,7 @@ enum fc_ns_req {
 	FC_NS_GI_A =	0x0101,		/* get identifiers - scope */
 	FC_NS_GPN_ID =	0x0112,		/* get port name by ID */
 	FC_NS_GNN_ID =	0x0113,		/* get node name by ID */
+	FC_NS_GSPN_ID = 0x0118,		/* get symbolic port name */
 	FC_NS_GID_PN =	0x0121,		/* get ID for port name */
 	FC_NS_GID_NN =	0x0131,		/* get IDs for node name */
 	FC_NS_GID_FT =	0x0171,		/* get IDs by FC4 type */

@@ -144,7 +145,7 @@ struct fc_ns_gid_pn {
 };
 
 /*
- * GID_PN response
+ * GID_PN response or GSPN_ID request
  */
 struct fc_gid_pn_resp {
 	__u8      fp_resvd;

@@ -152,6 +153,14 @@ struct fc_gid_pn_resp {
 };
 
 /*
+ * GSPN_ID response
+ */
+struct fc_gspn_resp {
+	__u8	fp_name_len;
+	char	fp_name[];
+};
+
+/*
  * RFT_ID request - register FC-4 types for ID.
  */
 struct fc_ns_rft_id {

@@ -362,6 +362,7 @@ struct zfcp_adapter *zfcp_adapter_enqueu
 
 	INIT_WORK(&adapter->stat_work, _zfcp_status_read_scheduler);
 	INIT_WORK(&adapter->scan_work, zfcp_fc_scan_ports);
+	INIT_WORK(&adapter->ns_up_work, zfcp_fc_sym_name_update);
 
 	if (zfcp_qdio_setup(adapter))
 		goto failed;

@@ -427,6 +428,7 @@ void zfcp_adapter_unregister(struct zfcp
 
 	cancel_work_sync(&adapter->scan_work);
 	cancel_work_sync(&adapter->stat_work);
+	cancel_work_sync(&adapter->ns_up_work);
 	zfcp_destroy_adapter_work_queue(adapter);
 
 	zfcp_fc_wka_ports_force_offline(adapter->gs);

@@ -189,6 +189,7 @@ struct zfcp_adapter {
 	struct fsf_qtcb_bottom_port *stats_reset_data;
 	unsigned long		stats_reset;
 	struct work_struct	scan_work;
+	struct work_struct	ns_up_work;
 	struct service_level	service_level;
 	struct workqueue_struct	*work_queue;
 	struct device_dma_parameters dma_parms;

@@ -1231,8 +1231,10 @@ static void zfcp_erp_action_cleanup(stru
 		if (result == ZFCP_ERP_SUCCEEDED) {
 			register_service_level(&adapter->service_level);
 			queue_work(adapter->work_queue, &adapter->scan_work);
+			queue_work(adapter->work_queue, &adapter->ns_up_work);
 		} else
 			unregister_service_level(&adapter->service_level);
+
 		kref_put(&adapter->ref, zfcp_adapter_release);
 		break;
 	}

@@ -96,6 +96,7 @@ extern int zfcp_fc_gs_setup(struct zfcp_
 extern void zfcp_fc_gs_destroy(struct zfcp_adapter *);
 extern int zfcp_fc_exec_bsg_job(struct fc_bsg_job *);
 extern int zfcp_fc_timeout_bsg_job(struct fc_bsg_job *);
+extern void zfcp_fc_sym_name_update(struct work_struct *);
 
 /* zfcp_fsf.c */
 extern struct kmem_cache *zfcp_fsf_qtcb_cache;

132 lines not on this page · raw message

54 lines not on this page · raw message

@@ -720,6 +720,7 @@ struct fc_function_template zfcp_transpo
 	/* no functions registered for following dynamic attributes but
 	   directly set by LLDD */
 	.show_host_port_type = 1,
+	.show_host_symbolic_name = 1,
 	.show_host_speed = 1,
 	.show_host_port_id = 1,
 	.dd_bsg_size = sizeof(struct zfcp_fsf_ct_els),