projects / mirror_edk2.git / blame
| Commit | Line | Data |
|---|---|---|
| e497432c LA |
1 | /** @file\r |
| 2 | \r | |
| 3 | Internal definitions for the PVSCSI driver, which produces Extended SCSI\r | |
| 4 | Pass Thru Protocol instances for pvscsi devices.\r | |
| 5 | \r | |
| 6 | Copyright (C) 2020, Oracle and/or its affiliates.\r | |
| 7 | \r | |
| 8 | SPDX-License-Identifier: BSD-2-Clause-Patent\r | |
| 9 | \r | |
| 10 | **/\r | |
| 11 | \r | |
| 12 | #ifndef __PVSCSI_DXE_H_\r | |
| 13 | #define __PVSCSI_DXE_H_\r | |
| 14 | \r | |
| 15 | #include <Library/DebugLib.h>\r | |
| 16 | #include <Protocol/ScsiPassThruExt.h>\r | |
| 17 | \r | |
| b654edec LA |
18 | typedef struct {\r |
| 19 | EFI_PHYSICAL_ADDRESS DeviceAddress;\r | |
| 20 | VOID *Mapping;\r | |
| 21 | } PVSCSI_DMA_DESC;\r | |
| 22 | \r | |
| 23 | typedef struct {\r | |
| 24 | PVSCSI_RINGS_STATE *RingState;\r | |
| 25 | PVSCSI_DMA_DESC RingStateDmaDesc;\r | |
| 26 | \r | |
| 27 | PVSCSI_RING_REQ_DESC *RingReqs;\r | |
| 28 | PVSCSI_DMA_DESC RingReqsDmaDesc;\r | |
| 29 | \r | |
| 30 | PVSCSI_RING_CMP_DESC *RingCmps;\r | |
| 31 | PVSCSI_DMA_DESC RingCmpsDmaDesc;\r | |
| 32 | } PVSCSI_RING_DESC;\r | |
| 33 | \r | |
| 6510e197 LA |
34 | typedef struct {\r |
| 35 | //\r | |
| 36 | // As EFI_EXT_SCSI_PASS_THRU_SCSI_REQUEST_PACKET.SenseDataLength is defined\r | |
| 37 | // as UINT8, defining here SenseData size to MAX_UINT8 will guarantee it\r | |
| 38 | // cannot overflow when passed to device.\r | |
| 39 | //\r | |
| 40 | UINT8 SenseData[MAX_UINT8];\r | |
| 41 | //\r | |
| 42 | // This size of the data is arbitrarily chosen.\r | |
| 43 | // It seems to be sufficient for all I/O requests sent through\r | |
| 44 | // EFI_SCSI_PASS_THRU_PROTOCOL.PassThru() for common boot scenarios.\r | |
| 45 | //\r | |
| 46 | UINT8 Data[0x2000];\r | |
| 47 | } PVSCSI_DMA_BUFFER;\r | |
| 48 | \r | |
| e497432c LA |
49 | #define PVSCSI_SIG SIGNATURE_32 ('P', 'S', 'C', 'S')\r |
| 50 | \r | |
| 51 | typedef struct {\r | |
| 52 | UINT32 Signature;\r | |
| c08eaaaf | 53 | EFI_PCI_IO_PROTOCOL *PciIo;\r |
| 7d8a04e9 | 54 | EFI_EVENT ExitBoot;\r |
| 45098e8a | 55 | UINT64 OriginalPciAttributes;\r |
| b654edec | 56 | PVSCSI_RING_DESC RingDesc;\r |
| 6510e197 LA |
57 | PVSCSI_DMA_BUFFER *DmaBuf;\r |
| 58 | PVSCSI_DMA_DESC DmaBufDmaDesc;\r | |
| 7efce2e5 LA |
59 | UINT8 MaxTarget;\r |
| 60 | UINT8 MaxLun;\r | |
| c4c15b87 | 61 | UINTN WaitForCmpStallInUsecs;\r |
| e497432c LA |
62 | EFI_EXT_SCSI_PASS_THRU_PROTOCOL PassThru;\r |
| 63 | EFI_EXT_SCSI_PASS_THRU_MODE PassThruMode;\r | |
| 64 | } PVSCSI_DEV;\r | |
| 65 | \r | |
| 66 | #define PVSCSI_FROM_PASS_THRU(PassThruPointer) \\r | |
| 67 | CR (PassThruPointer, PVSCSI_DEV, PassThru, PVSCSI_SIG)\r | |
| 68 | \r | |
| 6510e197 LA |
69 | #define PVSCSI_DMA_BUF_DEV_ADDR(Dev, MemberName) \\r |
| 70 | (Dev->DmaBufDmaDesc.DeviceAddress + OFFSET_OF(PVSCSI_DMA_BUFFER, MemberName))\r | |
| 71 | \r | |
| e497432c | 72 | #endif // __PVSCSI_DXE_H_\r |