1 /*-
2 * Copyright (c) 2017 Broadcom. All rights reserved.
3 * The term "Broadcom" refers to Broadcom Limited and/or its subsidiaries.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright notice,
9 * this list of conditions and the following disclaimer.
10 *
11 * 2. Redistributions in binary form must reproduce the above copyright notice,
12 * this list of conditions and the following disclaimer in the documentation
13 * and/or other materials provided with the distribution.
14 *
15 * 3. Neither the name of the copyright holder nor the names of its contributors
16 * may be used to endorse or promote products derived from this software
17 * without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
20 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
23 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 *
31 * $FreeBSD$
32 */
33
34 #ifndef __OCS_CAM_H__
35 #define __OCS_CAM_H__
36
37 #include <cam/cam.h>
38 #include <cam/cam_sim.h>
39 #include <cam/cam_ccb.h>
40 #include <cam/cam_periph.h>
41 #include <cam/cam_xpt_sim.h>
42
43 #include <cam/scsi/scsi_message.h>
44
45
46 #define ccb_ocs_ptr spriv_ptr0
47 #define ccb_io_ptr spriv_ptr1
48
49 typedef STAILQ_HEAD(ocs_hdr_list_s, ccb_hdr) ocs_hdr_list_t;
50
51 typedef struct ocs_tgt_resource_s {
52 ocs_hdr_list_t atio;
53 ocs_hdr_list_t inot;
54 uint8_t enabled;
55
56 lun_id_t lun;
57 } ocs_tgt_resource_t;
58
59 /* Common SCSI Domain structure declarations */
60
61 typedef struct {
62 } ocs_scsi_tgt_domain_t;
63
64 typedef struct {
65 } ocs_scsi_ini_domain_t;
66
67 /* Common SCSI SLI port structure declarations */
68
69 typedef struct {
70 } ocs_scsi_tgt_sport_t;
71
72 typedef struct {
73 } ocs_scsi_ini_sport_t;
74
75 /* Common IO structure declarations */
76
77 typedef enum {
78 OCS_CAM_IO_FREE, /* IO unused (SIM) */
79 OCS_CAM_IO_COMMAND, /* ATIO returned to BE (CTL) */
80 OCS_CAM_IO_DATA, /* data phase (SIM) */
81 OCS_CAM_IO_DATA_DONE, /* CTIO returned to BE (CTL) */
82 OCS_CAM_IO_RESP, /* send response (SIM) */
83 OCS_CAM_IO_MAX
84 } ocs_cam_io_state_t;
85
86 typedef struct {
87 bus_dmamap_t dmap;
88 uint64_t lun; /* target_lun */
89 void *app; /** application specific pointer */
90 ocs_cam_io_state_t state;
91 bool sendresp;
92 uint32_t flags;
93 #define OCS_CAM_IO_F_DMAPPED BIT(0) /* associated buffer bus_dmamap'd */
94 #define OCS_CAM_IO_F_ABORT_RECV BIT(1) /* received ABORT TASK */
95 #define OCS_CAM_IO_F_ABORT_DEV BIT(2) /* abort WQE pending */
96 #define OCS_CAM_IO_F_ABORT_TMF BIT(3) /* TMF response sent */
97 #define OCS_CAM_IO_F_ABORT_NOTIFY BIT(4) /* XPT_NOTIFY sent to CTL */
98 #define OCS_CAM_IO_F_ABORT_CAM BIT(5) /* received ABORT or CTIO from CAM */
99 } ocs_scsi_tgt_io_t;
100
101 typedef struct {
102 } ocs_scsi_ini_io_t;
103
104 struct ocs_lun_crn {
105 uint64_t lun; /* target_lun */
106 uint8_t crnseed; /* next command reference number */
107 };
108
109 /* Common NODE structure declarations */
110 typedef struct {
111 struct ocs_lun_crn *lun_crn[OCS_MAX_LUN];
112 } ocs_scsi_ini_node_t;
113
114 typedef struct {
115 uint32_t busy_sent;
116 } ocs_scsi_tgt_node_t;
117
118 extern int32_t ocs_cam_attach(ocs_t *ocs);
119 extern int32_t ocs_cam_detach(ocs_t *ocs);
120
121 #endif /* __OCS_CAM_H__ */
122
Cache object: 968f7e0b10a178df1f494c19bcc4a3b8
|