]>
Commit | Line | Data |
---|---|---|
37078a63 | 1 | /** @file\r |
2 | \r | |
3 | Virtio SCSI Host Device specific type and macro definitions corresponding to\r | |
4 | the virtio-0.9.5 specification.\r | |
5 | \r | |
6 | Copyright (C) 2012, Red Hat, Inc.\r | |
7 | \r | |
8 | This program and the accompanying materials are licensed and made available\r | |
9 | under the terms and conditions of the BSD License which accompanies this\r | |
10 | distribution. The full text of the license may be found at\r | |
11 | http://opensource.org/licenses/bsd-license.php\r | |
12 | \r | |
13 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, WITHOUT\r | |
14 | WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
15 | \r | |
16 | **/\r | |
17 | \r | |
18 | #ifndef _VIRTIO_SCSI_H_\r | |
19 | #define _VIRTIO_SCSI_H_\r | |
20 | \r | |
21 | #include <IndustryStandard/Virtio.h>\r | |
22 | \r | |
23 | \r | |
24 | //\r | |
25 | // virtio-0.9.5, Appendix I: SCSI Host Device\r | |
26 | //\r | |
27 | #pragma pack(1)\r | |
28 | typedef struct {\r | |
29 | VIRTIO_HDR Generic;\r | |
30 | UINT32 VhdrNumQueues;\r | |
31 | UINT32 VhdrSegMax;\r | |
32 | UINT32 VhdrMaxSectors;\r | |
33 | UINT32 VhdrCmdPerLun;\r | |
34 | UINT32 VhdrEventInfoSize;\r | |
35 | UINT32 VhdrSenseSize;\r | |
36 | UINT32 VhdrCdbSize;\r | |
37 | UINT16 VhdrMaxChannel;\r | |
38 | UINT16 VhdrMaxTarget;\r | |
39 | UINT32 VhdrMaxLun;\r | |
40 | } VSCSI_HDR;\r | |
41 | #pragma pack()\r | |
42 | \r | |
43 | #define OFFSET_OF_VSCSI(Field) OFFSET_OF (VSCSI_HDR, Field)\r | |
44 | #define SIZE_OF_VSCSI(Field) (sizeof ((VSCSI_HDR *) 0)->Field)\r | |
45 | \r | |
46 | #define VIRTIO_SCSI_F_INOUT BIT0\r | |
47 | #define VIRTIO_SCSI_F_HOTPLUG BIT1\r | |
48 | \r | |
49 | //\r | |
50 | // We expect these maximum sizes from the host. Also we force the CdbLength and\r | |
51 | // SenseDataLength parameters of EFI_EXT_SCSI_PASS_THRU_PROTOCOL.PassThru() not\r | |
52 | // to exceed these limits. See UEFI 2.3.1 errata C 14.7.\r | |
53 | //\r | |
54 | #define VIRTIO_SCSI_CDB_SIZE 32\r | |
55 | #define VIRTIO_SCSI_SENSE_SIZE 96\r | |
56 | \r | |
57 | //\r | |
58 | // We pass the dynamically sized buffers ("dataout", "datain") in separate ring\r | |
59 | // descriptors.\r | |
60 | //\r | |
61 | #pragma pack(1)\r | |
62 | typedef struct {\r | |
63 | UINT8 Lun[8];\r | |
64 | UINT64 Id;\r | |
65 | UINT8 TaskAttr;\r | |
66 | UINT8 Prio;\r | |
67 | UINT8 Crn;\r | |
68 | UINT8 Cdb[VIRTIO_SCSI_CDB_SIZE];\r | |
69 | } VIRTIO_SCSI_REQ;\r | |
70 | \r | |
71 | typedef struct {\r | |
72 | UINT32 SenseLen;\r | |
73 | UINT32 Residual;\r | |
74 | UINT16 StatusQualifier;\r | |
75 | UINT8 Status;\r | |
76 | UINT8 Response;\r | |
77 | UINT8 Sense[VIRTIO_SCSI_SENSE_SIZE];\r | |
78 | } VIRTIO_SCSI_RESP;\r | |
79 | #pragma pack()\r | |
80 | \r | |
81 | //\r | |
82 | // selector of first virtio queue usable for request transfer\r | |
83 | //\r | |
84 | #define VIRTIO_SCSI_REQUEST_QUEUE 2\r | |
85 | \r | |
86 | //\r | |
87 | // host response codes\r | |
88 | //\r | |
89 | #define VIRTIO_SCSI_S_OK 0\r | |
90 | #define VIRTIO_SCSI_S_OVERRUN 1\r | |
91 | #define VIRTIO_SCSI_S_ABORTED 2\r | |
92 | #define VIRTIO_SCSI_S_BAD_TARGET 3\r | |
93 | #define VIRTIO_SCSI_S_RESET 4\r | |
94 | #define VIRTIO_SCSI_S_BUSY 5\r | |
95 | #define VIRTIO_SCSI_S_TRANSPORT_FAILURE 6\r | |
96 | #define VIRTIO_SCSI_S_TARGET_FAILURE 7\r | |
97 | #define VIRTIO_SCSI_S_NEXUS_FAILURE 8\r | |
98 | #define VIRTIO_SCSI_S_FAILURE 9\r | |
99 | \r | |
100 | #endif // _VIRTIO_SCSI_H_\r |