hw/fsi: Introduce IBM's FSI master

[mirror_qemu.git] / block / vhdx.h

diff --git a/block/vhdx.h b/block/vhdx.h
index 7003ab7a7951bd6ff3432d203966696db88352c4..c6dd4d6040e8c08992c2b155c66e2897045aa2cb 100644 (file)
--- a/block/vhdx.h
+++ b/block/vhdx.h
@@ -17,13 +17,11 @@
 
 #ifndef BLOCK_VHDX_H
 #define BLOCK_VHDX_H
-
-#define KiB              (1 * 1024)
-#define MiB            (KiB * 1024)
-#define GiB            (MiB * 1024)
-#define TiB ((uint64_t) GiB * 1024)
+#include "qemu/units.h"
 
 #define DEFAULT_LOG_SIZE 1048576 /* 1MiB */
+/* Note: can't use 1 * MiB, because it's passed to stringify() */
+
 /* Structures and fields present in the VHDX file */
 
 /* The header section has the following blocks,
@@ -36,7 +34,7 @@
  * 0.........64KB...........128KB........192KB..........256KB................1MB
  */
 
-#define VHDX_HEADER_BLOCK_SIZE      (64 * 1024)
+#define VHDX_HEADER_BLOCK_SIZE      (64 * KiB)
 
 #define VHDX_FILE_ID_OFFSET         0
 #define VHDX_HEADER1_OFFSET         (VHDX_HEADER_BLOCK_SIZE * 1)
@@ -85,7 +83,7 @@ typedef struct QEMU_PACKED MSGUID {
 #define guid_eq(a, b) \
     (memcmp(&(a), &(b), sizeof(MSGUID)) == 0)
 
-#define VHDX_HEADER_SIZE (4 * 1024)   /* although the vhdx_header struct in disk
+#define VHDX_HEADER_SIZE (4 * KiB)    /* although the vhdx_header struct in disk
                                          is only 582 bytes, for purposes of crc
                                          the header is the first 4KB of the 64KB
                                          block */
@@ -161,8 +159,8 @@ typedef struct QEMU_PACKED VHDXRegionTableEntry {
 
 
 /* ---- LOG ENTRY STRUCTURES ---- */
-#define VHDX_LOG_MIN_SIZE (1024 * 1024)
-#define VHDX_LOG_SECTOR_SIZE 4096
+#define VHDX_LOG_MIN_SIZE (1 * MiB)
+#define VHDX_LOG_SECTOR_SIZE (4 * KiB)
 #define VHDX_LOG_HDR_SIZE 64
 #define VHDX_LOG_SIGNATURE 0x65676f6c
 typedef struct QEMU_PACKED VHDXLogEntryHeader {
@@ -214,7 +212,7 @@ typedef struct QEMU_PACKED VHDXLogDataSector {
     uint32_t    sequence_high;          /* 4 MSB of 8 byte sequence_number */
     uint8_t     data[4084];             /* raw data, bytes 8-4091 (inclusive).
                                            see the data descriptor field for the
-                                           other mising bytes */
+                                           other missing bytes */
     uint32_t    sequence_low;           /* 4 LSB of 8 byte sequence_number */
 } VHDXLogDataSector;
 
@@ -259,7 +257,7 @@ typedef struct QEMU_PACKED VHDXMetadataTableHeader {
 
 #define VHDX_META_FLAGS_IS_USER         0x01    /* max 1024 entries */
 #define VHDX_META_FLAGS_IS_VIRTUAL_DISK 0x02    /* virtual disk metadata if set,
-                                                   otherwise file metdata */
+                                                   otherwise file metadata */
 #define VHDX_META_FLAGS_IS_REQUIRED     0x04    /* parse must understand this
                                                    entry to open the file */
 typedef struct QEMU_PACKED VHDXMetadataTableEntry {
@@ -398,13 +396,14 @@ typedef struct BDRVVHDXState {
 
     bool log_replayed_on_open;
 
-    QLIST_HEAD(VHDXRegionHead, VHDXRegionEntry) regions;
+    QLIST_HEAD(, VHDXRegionEntry) regions;
 } BDRVVHDXState;
 
 void vhdx_guid_generate(MSGUID *guid);
 
-int vhdx_update_headers(BlockDriverState *bs, BDRVVHDXState *s, bool rw,
-                        MSGUID *log_guid);
+int GRAPH_RDLOCK
+vhdx_update_headers(BlockDriverState *bs, BDRVVHDXState *s, bool rw,
+                    MSGUID *log_guid);
 
 uint32_t vhdx_update_checksum(uint8_t *buf, size_t size, int crc_offset);
 uint32_t vhdx_checksum_calc(uint32_t crc, uint8_t *buf, size_t size,
@@ -412,24 +411,26 @@ uint32_t vhdx_checksum_calc(uint32_t crc, uint8_t *buf, size_t size,
 
 bool vhdx_checksum_is_valid(uint8_t *buf, size_t size, int crc_offset);
 
-int vhdx_parse_log(BlockDriverState *bs, BDRVVHDXState *s, bool *flushed,
-                   Error **errp);
+int GRAPH_RDLOCK
+vhdx_parse_log(BlockDriverState *bs, BDRVVHDXState *s, bool *flushed,
+               Error **errp);
 
-int vhdx_log_write_and_flush(BlockDriverState *bs, BDRVVHDXState *s,
-                             void *data, uint32_t length, uint64_t offset);
+int coroutine_fn GRAPH_RDLOCK
+vhdx_log_write_and_flush(BlockDriverState *bs, BDRVVHDXState *s,
+                         void *data, uint32_t length, uint64_t offset);
 
 static inline void leguid_to_cpus(MSGUID *guid)
 {
-    le32_to_cpus(&guid->data1);
-    le16_to_cpus(&guid->data2);
-    le16_to_cpus(&guid->data3);
+    guid->data1 = le32_to_cpu(guid->data1);
+    guid->data2 = le16_to_cpu(guid->data2);
+    guid->data3 = le16_to_cpu(guid->data3);
 }
 
 static inline void cpu_to_leguids(MSGUID *guid)
 {
-    cpu_to_le32s(&guid->data1);
-    cpu_to_le16s(&guid->data2);
-    cpu_to_le16s(&guid->data3);
+    guid->data1 = cpu_to_le32(guid->data1);
+    guid->data2 = cpu_to_le16(guid->data2);
+    guid->data3 = cpu_to_le16(guid->data3);
 }
 
 void vhdx_header_le_import(VHDXHeader *h);
@@ -448,6 +449,8 @@ void vhdx_metadata_header_le_import(VHDXMetadataTableHeader *hdr);
 void vhdx_metadata_header_le_export(VHDXMetadataTableHeader *hdr);
 void vhdx_metadata_entry_le_import(VHDXMetadataTableEntry *e);
 void vhdx_metadata_entry_le_export(VHDXMetadataTableEntry *e);
-int vhdx_user_visible_write(BlockDriverState *bs, BDRVVHDXState *s);
+
+int GRAPH_RDLOCK
+vhdx_user_visible_write(BlockDriverState *bs, BDRVVHDXState *s);
 
 #endif