1/****************************************************************************
2 ****************************************************************************
3 ***
4 ***   This header was automatically generated from a Linux kernel header
5 ***   of the same name, to make information necessary for userspace to
6 ***   call into the kernel available to libc.  It contains only constants,
7 ***   structures, and macros generated from the original header, and thus,
8 ***   contains no copyrightable information.
9 ***
10 ***   To edit the content of this header, modify the corresponding
11 ***   source file (e.g. under external/kernel-headers/original/) then
12 ***   run bionic/libc/kernel/tools/update_all.py
13 ***
14 ***   Any manual change here will be lost the next time this script will
15 ***   be run. You've been warned!
16 ***
17 ****************************************************************************
18 ****************************************************************************/
19#ifndef _LINUX_VIRTIO_SCSI_H
20#define _LINUX_VIRTIO_SCSI_H
21#include <linux/virtio_types.h>
22#define VIRTIO_SCSI_CDB_DEFAULT_SIZE 32
23#define VIRTIO_SCSI_SENSE_DEFAULT_SIZE 96
24#ifndef VIRTIO_SCSI_CDB_SIZE
25#define VIRTIO_SCSI_CDB_SIZE VIRTIO_SCSI_CDB_DEFAULT_SIZE
26#endif
27#ifndef VIRTIO_SCSI_SENSE_SIZE
28#define VIRTIO_SCSI_SENSE_SIZE VIRTIO_SCSI_SENSE_DEFAULT_SIZE
29#endif
30struct virtio_scsi_cmd_req {
31  __u8 lun[8];
32  __virtio64 tag;
33  __u8 task_attr;
34  __u8 prio;
35  __u8 crn;
36  __u8 cdb[VIRTIO_SCSI_CDB_SIZE];
37} __attribute__((packed));
38struct virtio_scsi_cmd_req_pi {
39  __u8 lun[8];
40  __virtio64 tag;
41  __u8 task_attr;
42  __u8 prio;
43  __u8 crn;
44  __virtio32 pi_bytesout;
45  __virtio32 pi_bytesin;
46  __u8 cdb[VIRTIO_SCSI_CDB_SIZE];
47} __attribute__((packed));
48struct virtio_scsi_cmd_resp {
49  __virtio32 sense_len;
50  __virtio32 resid;
51  __virtio16 status_qualifier;
52  __u8 status;
53  __u8 response;
54  __u8 sense[VIRTIO_SCSI_SENSE_SIZE];
55} __attribute__((packed));
56struct virtio_scsi_ctrl_tmf_req {
57  __virtio32 type;
58  __virtio32 subtype;
59  __u8 lun[8];
60  __virtio64 tag;
61} __attribute__((packed));
62struct virtio_scsi_ctrl_tmf_resp {
63  __u8 response;
64} __attribute__((packed));
65struct virtio_scsi_ctrl_an_req {
66  __virtio32 type;
67  __u8 lun[8];
68  __virtio32 event_requested;
69} __attribute__((packed));
70struct virtio_scsi_ctrl_an_resp {
71  __virtio32 event_actual;
72  __u8 response;
73} __attribute__((packed));
74struct virtio_scsi_event {
75  __virtio32 event;
76  __u8 lun[8];
77  __virtio32 reason;
78} __attribute__((packed));
79struct virtio_scsi_config {
80  __u32 num_queues;
81  __u32 seg_max;
82  __u32 max_sectors;
83  __u32 cmd_per_lun;
84  __u32 event_info_size;
85  __u32 sense_size;
86  __u32 cdb_size;
87  __u16 max_channel;
88  __u16 max_target;
89  __u32 max_lun;
90} __attribute__((packed));
91#define VIRTIO_SCSI_F_INOUT 0
92#define VIRTIO_SCSI_F_HOTPLUG 1
93#define VIRTIO_SCSI_F_CHANGE 2
94#define VIRTIO_SCSI_F_T10_PI 3
95#define VIRTIO_SCSI_S_OK 0
96#define VIRTIO_SCSI_S_OVERRUN 1
97#define VIRTIO_SCSI_S_ABORTED 2
98#define VIRTIO_SCSI_S_BAD_TARGET 3
99#define VIRTIO_SCSI_S_RESET 4
100#define VIRTIO_SCSI_S_BUSY 5
101#define VIRTIO_SCSI_S_TRANSPORT_FAILURE 6
102#define VIRTIO_SCSI_S_TARGET_FAILURE 7
103#define VIRTIO_SCSI_S_NEXUS_FAILURE 8
104#define VIRTIO_SCSI_S_FAILURE 9
105#define VIRTIO_SCSI_S_FUNCTION_SUCCEEDED 10
106#define VIRTIO_SCSI_S_FUNCTION_REJECTED 11
107#define VIRTIO_SCSI_S_INCORRECT_LUN 12
108#define VIRTIO_SCSI_T_TMF 0
109#define VIRTIO_SCSI_T_AN_QUERY 1
110#define VIRTIO_SCSI_T_AN_SUBSCRIBE 2
111#define VIRTIO_SCSI_T_TMF_ABORT_TASK 0
112#define VIRTIO_SCSI_T_TMF_ABORT_TASK_SET 1
113#define VIRTIO_SCSI_T_TMF_CLEAR_ACA 2
114#define VIRTIO_SCSI_T_TMF_CLEAR_TASK_SET 3
115#define VIRTIO_SCSI_T_TMF_I_T_NEXUS_RESET 4
116#define VIRTIO_SCSI_T_TMF_LOGICAL_UNIT_RESET 5
117#define VIRTIO_SCSI_T_TMF_QUERY_TASK 6
118#define VIRTIO_SCSI_T_TMF_QUERY_TASK_SET 7
119#define VIRTIO_SCSI_T_EVENTS_MISSED 0x80000000
120#define VIRTIO_SCSI_T_NO_EVENT 0
121#define VIRTIO_SCSI_T_TRANSPORT_RESET 1
122#define VIRTIO_SCSI_T_ASYNC_NOTIFY 2
123#define VIRTIO_SCSI_T_PARAM_CHANGE 3
124#define VIRTIO_SCSI_EVT_RESET_HARD 0
125#define VIRTIO_SCSI_EVT_RESET_RESCAN 1
126#define VIRTIO_SCSI_EVT_RESET_REMOVED 2
127#define VIRTIO_SCSI_S_SIMPLE 0
128#define VIRTIO_SCSI_S_ORDERED 1
129#define VIRTIO_SCSI_S_HEAD 2
130#define VIRTIO_SCSI_S_ACA 3
131#endif
132