1 files changed, 150 insertions, 0 deletions
diff --git a/drivers/infiniband/ulp/srp/ib_srp.h b/drivers/infiniband/ulp/srp/ib_srp.h
new file mode 100644
index 000000000000..4fec28a71367
--- /dev/null
+++ b/drivers/infiniband/ulp/srp/ib_srp.h
@@ -0,0 +1,150 @@
+/*
+ * Copyright (c) 2005 Cisco Systems.  All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses.  You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ *     Redistribution and use in source and binary forms, with or
+ *     without modification, are permitted provided that the following
+ *     conditions are met:
+ *
+ *      - Redistributions of source code must retain the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer.
+ *
+ *      - Redistributions in binary form must reproduce the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer in the documentation and/or other materials
+ *        provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ * $Id: ib_srp.h 3932 2005-11-01 17:19:29Z roland $
+ */
+#ifndef IB_SRP_H
+#define IB_SRP_H
+#include <linux/types.h>
+#include <linux/list.h>
+#include <asm/semaphore.h>
+#include <scsi/scsi_host.h>
+#include <scsi/scsi_cmnd.h>
+#include <rdma/ib_verbs.h>
+#include <rdma/ib_sa.h>
+#include <rdma/ib_cm.h>
+enum {
+        SRP_PATH_REC_TIMEOUT_MS = 1000,
+        SRP_ABORT_TIMEOUT_MS    = 5000,
+        SRP_PORT_REDIRECT       = 1,
+        SRP_DLID_REDIRECT       = 2,
+        SRP_MAX_IU_LEN          = 256,
+        SRP_RQ_SHIFT            = 6,
+        SRP_RQ_SIZE             = 1 << SRP_RQ_SHIFT,
+        SRP_SQ_SIZE             = SRP_RQ_SIZE - 1,
+        SRP_CQ_SIZE             = SRP_SQ_SIZE + SRP_RQ_SIZE,
+        SRP_TAG_TSK_MGMT        = 1 << (SRP_RQ_SHIFT + 1)
+};
+#define SRP_OP_RECV             (1 << 31)
+#define SRP_MAX_INDIRECT        ((SRP_MAX_IU_LEN -                      \
+                                  sizeof (struct srp_cmd) -             \
+                                  sizeof (struct srp_indirect_buf)) / 16)
+enum srp_target_state {
+        SRP_TARGET_LIVE,
+        SRP_TARGET_CONNECTING,
+        SRP_TARGET_DEAD,
+        SRP_TARGET_REMOVED
+};
+struct srp_host {
+        u8                      initiator_port_id[16];
+        struct ib_device       *dev;
+        u8                      port;
+        struct ib_pd           *pd;
+        struct ib_mr           *mr;
+        struct class_device     class_dev;
+        struct list_head        target_list;
+        struct semaphore        target_mutex;
+        struct completion       released;
+        struct list_head        list;
+};
+struct srp_request {
+        struct list_head        list;
+        struct scsi_cmnd       *scmnd;
+        struct srp_iu          *cmd;
+        struct srp_iu          *tsk_mgmt;
+        DECLARE_PCI_UNMAP_ADDR(direct_mapping)
+        struct completion       done;
+        short                   next;
+        u8                      cmd_done;
+        u8                      tsk_status;
+};
+struct srp_target_port {
+        __be64                  id_ext;
+        __be64                  ioc_guid;
+        __be64                  service_id;
+        struct srp_host        *srp_host;
+        struct Scsi_Host       *scsi_host;
+        char                    target_name[32];
+        unsigned int            scsi_id;
+        struct ib_sa_path_rec   path;
+        struct ib_sa_query     *path_query;
+        int                     path_query_id;
+        struct ib_cm_id        *cm_id;
+        struct ib_cq           *cq;
+        struct ib_qp           *qp;
+        int                     max_ti_iu_len;
+        s32                     req_lim;
+        unsigned                rx_head;
+        struct srp_iu          *rx_ring[SRP_RQ_SIZE];
+        unsigned                tx_head;
+        unsigned                tx_tail;
+        struct srp_iu          *tx_ring[SRP_SQ_SIZE + 1];
+        int                     req_head;
+        struct list_head        req_queue;
+        struct srp_request      req_ring[SRP_SQ_SIZE];
+        struct work_struct      work;
+        struct list_head        list;
+        struct completion       done;
+        int                     status;
+        enum srp_target_state   state;
+};
+struct srp_iu {
+        dma_addr_t              dma;
+        void                   *buf;
+        size_t                  size;
+        enum dma_data_direction direction;
+};
+#endif /* IB_SRP_H */

diff --git a/drivers/infiniband/ulp/srp/ib_srp.h b/drivers/infiniband/ulp/srp/ib_srp.h new file mode 100644 index 000000000000..4fec28a71367 --- /dev/null +++ b/drivers/infiniband/ulp/srp/ib_srp.h
@@ -0,0 +1,150 @@
	1	/*
	2	* Copyright (c) 2005 Cisco Systems. All rights reserved.
	3	*
	4	* This software is available to you under a choice of one of two
	5	* licenses. You may choose to be licensed under the terms of the GNU
	6	* General Public License (GPL) Version 2, available from the file
	7	* COPYING in the main directory of this source tree, or the
	8	* OpenIB.org BSD license below:
	9	*
	10	* Redistribution and use in source and binary forms, with or
	11	* without modification, are permitted provided that the following
	12	* conditions are met:
	13	*
	14	* - Redistributions of source code must retain the above
	15	* copyright notice, this list of conditions and the following
	16	* disclaimer.
	17	*
	18	* - Redistributions in binary form must reproduce the above
	19	* copyright notice, this list of conditions and the following
	20	* disclaimer in the documentation and/or other materials
	21	* provided with the distribution.
	22	*
	23	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
	24	* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
	25	* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
	26	* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
	27	* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
	28	* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
	29	* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
	30	* SOFTWARE.
	31	*
	32	* $Id: ib_srp.h 3932 2005-11-01 17:19:29Z roland $
	33	*/
	34
	35	#ifndef IB_SRP_H
	36	#define IB_SRP_H
	37
	38	#include <linux/types.h>
	39	#include <linux/list.h>
	40
	41	#include <asm/semaphore.h>
	42
	43	#include <scsi/scsi_host.h>
	44	#include <scsi/scsi_cmnd.h>
	45
	46	#include <rdma/ib_verbs.h>
	47	#include <rdma/ib_sa.h>
	48	#include <rdma/ib_cm.h>
	49
	50	enum {
	51	SRP_PATH_REC_TIMEOUT_MS = 1000,
	52	SRP_ABORT_TIMEOUT_MS = 5000,
	53
	54	SRP_PORT_REDIRECT = 1,
	55	SRP_DLID_REDIRECT = 2,
	56
	57	SRP_MAX_IU_LEN = 256,
	58
	59	SRP_RQ_SHIFT = 6,
	60	SRP_RQ_SIZE = 1 << SRP_RQ_SHIFT,
	61	SRP_SQ_SIZE = SRP_RQ_SIZE - 1,
	62	SRP_CQ_SIZE = SRP_SQ_SIZE + SRP_RQ_SIZE,
	63
	64	SRP_TAG_TSK_MGMT = 1 << (SRP_RQ_SHIFT + 1)
	65	};
	66
	67	#define SRP_OP_RECV (1 << 31)
	68	#define SRP_MAX_INDIRECT ((SRP_MAX_IU_LEN - \
	69	sizeof (struct srp_cmd) - \
	70	sizeof (struct srp_indirect_buf)) / 16)
	71
	72	enum srp_target_state {
	73	SRP_TARGET_LIVE,
	74	SRP_TARGET_CONNECTING,
	75	SRP_TARGET_DEAD,
	76	SRP_TARGET_REMOVED
	77	};
	78
	79	struct srp_host {
	80	u8 initiator_port_id[16];
	81	struct ib_device *dev;
	82	u8 port;
	83	struct ib_pd *pd;
	84	struct ib_mr *mr;
	85	struct class_device class_dev;
	86	struct list_head target_list;
	87	struct semaphore target_mutex;
	88	struct completion released;
	89	struct list_head list;
	90	};
	91
	92	struct srp_request {
	93	struct list_head list;
	94	struct scsi_cmnd *scmnd;
	95	struct srp_iu *cmd;
	96	struct srp_iu *tsk_mgmt;
	97	DECLARE_PCI_UNMAP_ADDR(direct_mapping)
	98	struct completion done;
	99	short next;
	100	u8 cmd_done;
	101	u8 tsk_status;
	102	};
	103
	104	struct srp_target_port {
	105	__be64 id_ext;
	106	__be64 ioc_guid;
	107	__be64 service_id;
	108	struct srp_host *srp_host;
	109	struct Scsi_Host *scsi_host;
	110	char target_name[32];
	111	unsigned int scsi_id;
	112
	113	struct ib_sa_path_rec path;
	114	struct ib_sa_query *path_query;
	115	int path_query_id;
	116
	117	struct ib_cm_id *cm_id;
	118	struct ib_cq *cq;
	119	struct ib_qp *qp;
	120
	121	int max_ti_iu_len;
	122	s32 req_lim;
	123
	124	unsigned rx_head;
	125	struct srp_iu *rx_ring[SRP_RQ_SIZE];
	126
	127	unsigned tx_head;
	128	unsigned tx_tail;
	129	struct srp_iu *tx_ring[SRP_SQ_SIZE + 1];
	130
	131	int req_head;
	132	struct list_head req_queue;
	133	struct srp_request req_ring[SRP_SQ_SIZE];
	134
	135	struct work_struct work;
	136
	137	struct list_head list;
	138	struct completion done;
	139	int status;
	140	enum srp_target_state state;
	141	};
	142
	143	struct srp_iu {
	144	dma_addr_t dma;
	145	void *buf;
	146	size_t size;
	147	enum dma_data_direction direction;
	148	};
	149
	150	#endif /* IB_SRP_H */