projects / mirror_edk2.git / blame
| 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 | |
| b26f0cf9 | 8 | SPDX-License-Identifier: BSD-2-Clause-Patent\r |
| 37078a63 | 9 | \r |
| 10 | **/\r | |
| 11 | \r | |
| 12 | #ifndef _VIRTIO_SCSI_H_\r | |
| 13 | #define _VIRTIO_SCSI_H_\r | |
| 14 | \r | |
| 15 | #include <IndustryStandard/Virtio.h>\r | |
| 16 | \r | |
| 17 | \r | |
| 18 | //\r | |
| 19 | // virtio-0.9.5, Appendix I: SCSI Host Device\r | |
| 20 | //\r | |
| 21 | #pragma pack(1)\r | |
| 22 | typedef struct {\r | |
| 56f65ed8 OM |
23 | UINT32 NumQueues;\r |
| 24 | UINT32 SegMax;\r | |
| 25 | UINT32 MaxSectors;\r | |
| 26 | UINT32 CmdPerLun;\r | |
| 27 | UINT32 EventInfoSize;\r | |
| 28 | UINT32 SenseSize;\r | |
| 29 | UINT32 CdbSize;\r | |
| 30 | UINT16 MaxChannel;\r | |
| 31 | UINT16 MaxTarget;\r | |
| 32 | UINT32 MaxLun;\r | |
| 33 | } VIRTIO_SCSI_CONFIG;\r | |
| 37078a63 | 34 | #pragma pack()\r |
| 35 | \r | |
| 56f65ed8 OM |
36 | #define OFFSET_OF_VSCSI(Field) OFFSET_OF (VIRTIO_SCSI_CONFIG, Field)\r |
| 37 | #define SIZE_OF_VSCSI(Field) (sizeof ((VIRTIO_SCSI_CONFIG *) 0)->Field)\r | |
| 37078a63 | 38 | \r |
| 39 | #define VIRTIO_SCSI_F_INOUT BIT0\r | |
| 40 | #define VIRTIO_SCSI_F_HOTPLUG BIT1\r | |
| 41 | \r | |
| 42 | //\r | |
| 43 | // We expect these maximum sizes from the host. Also we force the CdbLength and\r | |
| 44 | // SenseDataLength parameters of EFI_EXT_SCSI_PASS_THRU_PROTOCOL.PassThru() not\r | |
| 45 | // to exceed these limits. See UEFI 2.3.1 errata C 14.7.\r | |
| 46 | //\r | |
| 47 | #define VIRTIO_SCSI_CDB_SIZE 32\r | |
| 48 | #define VIRTIO_SCSI_SENSE_SIZE 96\r | |
| 49 | \r | |
| 50 | //\r | |
| 51 | // We pass the dynamically sized buffers ("dataout", "datain") in separate ring\r | |
| 52 | // descriptors.\r | |
| 53 | //\r | |
| 54 | #pragma pack(1)\r | |
| 55 | typedef struct {\r | |
| 56 | UINT8 Lun[8];\r | |
| 57 | UINT64 Id;\r | |
| 58 | UINT8 TaskAttr;\r | |
| 59 | UINT8 Prio;\r | |
| 60 | UINT8 Crn;\r | |
| 61 | UINT8 Cdb[VIRTIO_SCSI_CDB_SIZE];\r | |
| 62 | } VIRTIO_SCSI_REQ;\r | |
| 63 | \r | |
| 64 | typedef struct {\r | |
| 65 | UINT32 SenseLen;\r | |
| 66 | UINT32 Residual;\r | |
| 67 | UINT16 StatusQualifier;\r | |
| 68 | UINT8 Status;\r | |
| 69 | UINT8 Response;\r | |
| 70 | UINT8 Sense[VIRTIO_SCSI_SENSE_SIZE];\r | |
| 71 | } VIRTIO_SCSI_RESP;\r | |
| 72 | #pragma pack()\r | |
| 73 | \r | |
| 74 | //\r | |
| 75 | // selector of first virtio queue usable for request transfer\r | |
| 76 | //\r | |
| 77 | #define VIRTIO_SCSI_REQUEST_QUEUE 2\r | |
| 78 | \r | |
| 79 | //\r | |
| 80 | // host response codes\r | |
| 81 | //\r | |
| 82 | #define VIRTIO_SCSI_S_OK 0\r | |
| 83 | #define VIRTIO_SCSI_S_OVERRUN 1\r | |
| 84 | #define VIRTIO_SCSI_S_ABORTED 2\r | |
| 85 | #define VIRTIO_SCSI_S_BAD_TARGET 3\r | |
| 86 | #define VIRTIO_SCSI_S_RESET 4\r | |
| 87 | #define VIRTIO_SCSI_S_BUSY 5\r | |
| 88 | #define VIRTIO_SCSI_S_TRANSPORT_FAILURE 6\r | |
| 89 | #define VIRTIO_SCSI_S_TARGET_FAILURE 7\r | |
| 90 | #define VIRTIO_SCSI_S_NEXUS_FAILURE 8\r | |
| 91 | #define VIRTIO_SCSI_S_FAILURE 9\r | |
| 92 | \r | |
| 93 | #endif // _VIRTIO_SCSI_H_\r |