projects / mirror_edk2.git / blame
| Commit | Line | Data |
|---|---|---|
| 5cce8524 ST |
1 | /** @file\r |
| 2 | BlockFront functions and types declarations.\r | |
| 3 | \r | |
| 4 | Copyright (C) 2014, Citrix Ltd.\r | |
| 5 | \r | |
| b26f0cf9 | 6 | SPDX-License-Identifier: BSD-2-Clause-Patent\r |
| 5cce8524 ST |
7 | \r |
| 8 | **/\r | |
| 9 | #include "XenPvBlkDxe.h"\r | |
| 10 | \r | |
| 11 | #include <IndustryStandard/Xen/event_channel.h>\r | |
| 12 | #include <IndustryStandard/Xen/io/blkif.h>\r | |
| 13 | \r | |
| 14 | typedef struct _XEN_BLOCK_FRONT_DEVICE XEN_BLOCK_FRONT_DEVICE;\r | |
| 15 | typedef struct _XEN_BLOCK_FRONT_IO XEN_BLOCK_FRONT_IO;\r | |
| 16 | \r | |
| 17 | struct _XEN_BLOCK_FRONT_IO\r | |
| 18 | {\r | |
| 19 | XEN_BLOCK_FRONT_DEVICE *Dev;\r | |
| 20 | UINT8 *Buffer;\r | |
| 21 | UINTN Size;\r | |
| 22 | UINTN Sector; ///< 512 bytes sector.\r | |
| 23 | \r | |
| 24 | grant_ref_t GrantRef[BLKIF_MAX_SEGMENTS_PER_REQUEST];\r | |
| 25 | INT32 NumRef;\r | |
| 26 | \r | |
| 27 | EFI_STATUS Status;\r | |
| 28 | };\r | |
| 29 | \r | |
| 30 | typedef struct\r | |
| 31 | {\r | |
| 32 | UINT64 Sectors;\r | |
| 33 | UINT32 SectorSize;\r | |
| 34 | UINT32 VDiskInfo;\r | |
| 35 | BOOLEAN ReadWrite;\r | |
| 36 | BOOLEAN CdRom;\r | |
| 37 | BOOLEAN FeatureBarrier;\r | |
| 38 | BOOLEAN FeatureFlushCache;\r | |
| 39 | } XEN_BLOCK_FRONT_MEDIA_INFO;\r | |
| 40 | \r | |
| 41 | #define XEN_BLOCK_FRONT_SIGNATURE SIGNATURE_32 ('X', 'p', 'v', 'B')\r | |
| 42 | struct _XEN_BLOCK_FRONT_DEVICE {\r | |
| 43 | UINT32 Signature;\r | |
| 44 | EFI_BLOCK_IO_PROTOCOL BlockIo;\r | |
| 45 | domid_t DomainId;\r | |
| 46 | \r | |
| 47 | blkif_front_ring_t Ring;\r | |
| 48 | grant_ref_t RingRef;\r | |
| 49 | evtchn_port_t EventChannel;\r | |
| 50 | blkif_vdev_t DeviceId;\r | |
| 51 | \r | |
| 52 | CONST CHAR8 *NodeName;\r | |
| 53 | XEN_BLOCK_FRONT_MEDIA_INFO MediaInfo;\r | |
| 54 | \r | |
| 55 | VOID *StateWatchToken;\r | |
| 56 | \r | |
| 57 | XENBUS_PROTOCOL *XenBusIo;\r | |
| 58 | };\r | |
| 59 | \r | |
| 60 | #define XEN_BLOCK_FRONT_FROM_BLOCK_IO(b) \\r | |
| 61 | CR (b, XEN_BLOCK_FRONT_DEVICE, BlockIo, XEN_BLOCK_FRONT_SIGNATURE)\r | |
| 62 | \r | |
| 63 | EFI_STATUS\r | |
| 64 | XenPvBlockFrontInitialization (\r | |
| 65 | IN XENBUS_PROTOCOL *XenBusIo,\r | |
| 66 | IN CONST CHAR8 *NodeName,\r | |
| 67 | OUT XEN_BLOCK_FRONT_DEVICE **DevPtr\r | |
| 68 | );\r | |
| 69 | \r | |
| 70 | VOID\r | |
| 71 | XenPvBlockFrontShutdown (\r | |
| 72 | IN XEN_BLOCK_FRONT_DEVICE *Dev\r | |
| 73 | );\r | |
| 74 | \r | |
| 75 | VOID\r | |
| 76 | XenPvBlockAsyncIo (\r | |
| 77 | IN OUT XEN_BLOCK_FRONT_IO *IoData,\r | |
| 78 | IN BOOLEAN IsWrite\r | |
| 79 | );\r | |
| 80 | \r | |
| 81 | EFI_STATUS\r | |
| 82 | XenPvBlockIo (\r | |
| 83 | IN OUT XEN_BLOCK_FRONT_IO *IoData,\r | |
| 84 | IN BOOLEAN IsWrite\r | |
| 85 | );\r | |
| 86 | \r | |
| 87 | VOID\r | |
| 88 | XenPvBlockAsyncIoPoll (\r | |
| 89 | IN XEN_BLOCK_FRONT_DEVICE *Dev\r | |
| 90 | );\r | |
| 91 | \r | |
| 92 | VOID\r | |
| 93 | XenPvBlockSync (\r | |
| 94 | IN XEN_BLOCK_FRONT_DEVICE *Dev\r | |
| 95 | );\r |