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-rw-r--r--include/block/aio.h10
-rw-r--r--include/block/block.h41
-rw-r--r--include/block/block_int.h14
-rw-r--r--include/crypto/block.h6
-rw-r--r--include/crypto/random.h9
-rw-r--r--include/hw/ppc/pnv.h3
-rw-r--r--include/hw/ppc/pnv_lpc.h4
-rw-r--r--include/hw/ppc/pnv_occ.h4
-rw-r--r--include/hw/ppc/xics.h4
-rw-r--r--include/io/channel-file.h2
-rw-r--r--include/io/channel.h2
-rw-r--r--include/qemu/osdep.h3
12 files changed, 70 insertions, 32 deletions
diff --git a/include/block/aio.h b/include/block/aio.h
index 406e32305a..e9aeeaec94 100644
--- a/include/block/aio.h
+++ b/include/block/aio.h
@@ -454,8 +454,14 @@ static inline void aio_disable_external(AioContext *ctx)
*/
static inline void aio_enable_external(AioContext *ctx)
{
- assert(ctx->external_disable_cnt > 0);
- atomic_dec(&ctx->external_disable_cnt);
+ int old;
+
+ old = atomic_fetch_dec(&ctx->external_disable_cnt);
+ assert(old > 0);
+ if (old == 1) {
+ /* Kick event loop so it re-arms file descriptors */
+ aio_notify(ctx);
+ }
}
/**
diff --git a/include/block/block.h b/include/block/block.h
index 862eb56fc7..9b355e92d8 100644
--- a/include/block/block.h
+++ b/include/block/block.h
@@ -109,6 +109,7 @@ typedef struct HDGeometry {
#define BDRV_OPT_CACHE_NO_FLUSH "cache.no-flush"
#define BDRV_OPT_READ_ONLY "read-only"
#define BDRV_OPT_DISCARD "discard"
+#define BDRV_OPT_FORCE_SHARE "force-share"
#define BDRV_SECTOR_BITS 9
@@ -120,29 +121,32 @@ typedef struct HDGeometry {
#define BDRV_REQUEST_MAX_BYTES (BDRV_REQUEST_MAX_SECTORS << BDRV_SECTOR_BITS)
/*
- * Allocation status flags
- * BDRV_BLOCK_DATA: data is read from a file returned by bdrv_get_block_status.
- * BDRV_BLOCK_ZERO: sectors read as zero
- * BDRV_BLOCK_OFFSET_VALID: sector stored as raw data in a file returned by
- * bdrv_get_block_status.
+ * Allocation status flags for bdrv_get_block_status() and friends.
+ *
+ * Public flags:
+ * BDRV_BLOCK_DATA: allocation for data at offset is tied to this layer
+ * BDRV_BLOCK_ZERO: offset reads as zero
+ * BDRV_BLOCK_OFFSET_VALID: an associated offset exists for accessing raw data
* BDRV_BLOCK_ALLOCATED: the content of the block is determined by this
- * layer (as opposed to the backing file)
- * BDRV_BLOCK_RAW: used internally to indicate that the request
- * was answered by the raw driver and that one
- * should look in bs->file directly.
+ * layer (short for DATA || ZERO), set by block layer
*
- * If BDRV_BLOCK_OFFSET_VALID is set, bits 9-62 represent the offset in
- * bs->file where sector data can be read from as raw data.
+ * Internal flag:
+ * BDRV_BLOCK_RAW: used internally to indicate that the request was
+ * answered by a passthrough driver such as raw and that the
+ * block layer should recompute the answer from bs->file.
*
- * DATA == 0 && ZERO == 0 means that data is read from backing_hd if present.
+ * If BDRV_BLOCK_OFFSET_VALID is set, bits 9-62 (BDRV_BLOCK_OFFSET_MASK)
+ * represent the offset in the returned BDS that is allocated for the
+ * corresponding raw data; however, whether that offset actually contains
+ * data also depends on BDRV_BLOCK_DATA and BDRV_BLOCK_ZERO, as follows:
*
* DATA ZERO OFFSET_VALID
- * t t t sectors read as zero, bs->file is zero at offset
- * t f t sectors read as valid from bs->file at offset
- * f t t sectors preallocated, read as zero, bs->file not
+ * t t t sectors read as zero, returned file is zero at offset
+ * t f t sectors read as valid from file at offset
+ * f t t sectors preallocated, read as zero, returned file not
* necessarily zero at offset
* f f t sectors preallocated but read from backing_hd,
- * bs->file contains garbage at offset
+ * returned file contains garbage at offset
* t t f sectors preallocated, read as zero, unknown offset
* t f f sectors read from unknown file or offset
* f t f not allocated or unknown offset, read as zero
@@ -224,6 +228,8 @@ enum {
BLK_PERM_ALL = 0x1f,
};
+char *bdrv_perm_names(uint64_t perm);
+
/* disk I/O throttling */
void bdrv_init(void);
void bdrv_init_with_whitelist(void);
@@ -366,8 +372,6 @@ void bdrv_invalidate_cache(BlockDriverState *bs, Error **errp);
void bdrv_invalidate_cache_all(Error **errp);
int bdrv_inactivate_all(void);
-void blk_resume_after_migration(Error **errp);
-
/* Ensure contents are flushed to disk. */
int bdrv_flush(BlockDriverState *bs);
int coroutine_fn bdrv_co_flush(BlockDriverState *bs);
@@ -434,6 +438,7 @@ int bdrv_is_allocated_above(BlockDriverState *top, BlockDriverState *base,
int64_t sector_num, int nb_sectors, int *pnum);
bool bdrv_is_read_only(BlockDriverState *bs);
+bool bdrv_is_writable(BlockDriverState *bs);
int bdrv_can_set_read_only(BlockDriverState *bs, bool read_only, Error **errp);
int bdrv_set_read_only(BlockDriverState *bs, bool read_only, Error **errp);
bool bdrv_is_sg(BlockDriverState *bs);
diff --git a/include/block/block_int.h b/include/block/block_int.h
index 87739405d5..8d3724cce6 100644
--- a/include/block/block_int.h
+++ b/include/block/block_int.h
@@ -165,6 +165,13 @@ struct BlockDriver {
int64_t offset, int count, BdrvRequestFlags flags);
int coroutine_fn (*bdrv_co_pdiscard)(BlockDriverState *bs,
int64_t offset, int count);
+
+ /*
+ * Building block for bdrv_block_status[_above]. The driver should
+ * answer only according to the current layer, and should not
+ * set BDRV_BLOCK_ALLOCATED, but may set BDRV_BLOCK_RAW. See block.h
+ * for the meaning of _DATA, _ZERO, and _OFFSET_VALID.
+ */
int64_t coroutine_fn (*bdrv_co_get_block_status)(BlockDriverState *bs,
int64_t sector_num, int nb_sectors, int *pnum,
BlockDriverState **file);
@@ -473,6 +480,12 @@ struct BdrvChildRole {
void (*drained_begin)(BdrvChild *child);
void (*drained_end)(BdrvChild *child);
+ /* Notifies the parent that the child has been activated/inactivated (e.g.
+ * when migration is completing) and it can start/stop requesting
+ * permissions and doing I/O on it. */
+ void (*activate)(BdrvChild *child, Error **errp);
+ int (*inactivate)(BdrvChild *child);
+
void (*attach)(BdrvChild *child);
void (*detach)(BdrvChild *child);
};
@@ -518,6 +531,7 @@ struct BlockDriverState {
bool valid_key; /* if true, a valid encryption key has been set */
bool sg; /* if true, the device is a /dev/sg* */
bool probed; /* if true, format was probed rather than specified */
+ bool force_share; /* if true, always allow all shared permissions */
BlockDriver *drv; /* NULL means no media */
void *opaque;
diff --git a/include/crypto/block.h b/include/crypto/block.h
index 4a053a3ffa..013a435f1b 100644
--- a/include/crypto/block.h
+++ b/include/crypto/block.h
@@ -30,22 +30,22 @@ typedef struct QCryptoBlock QCryptoBlock;
* and QCryptoBlockOpenOptions in qapi/crypto.json */
typedef ssize_t (*QCryptoBlockReadFunc)(QCryptoBlock *block,
- void *opaque,
size_t offset,
uint8_t *buf,
size_t buflen,
+ void *opaque,
Error **errp);
typedef ssize_t (*QCryptoBlockInitFunc)(QCryptoBlock *block,
- void *opaque,
size_t headerlen,
+ void *opaque,
Error **errp);
typedef ssize_t (*QCryptoBlockWriteFunc)(QCryptoBlock *block,
- void *opaque,
size_t offset,
const uint8_t *buf,
size_t buflen,
+ void *opaque,
Error **errp);
/**
diff --git a/include/crypto/random.h b/include/crypto/random.h
index a101353202..a07229ce96 100644
--- a/include/crypto/random.h
+++ b/include/crypto/random.h
@@ -40,5 +40,14 @@ int qcrypto_random_bytes(uint8_t *buf,
size_t buflen,
Error **errp);
+/**
+ * qcrypto_random_init:
+ * @errp: pointer to a NULL-initialized error object
+ *
+ * Initializes the handles used by qcrypto_random_bytes
+ *
+ * Returns 0 on success, -1 on error
+ */
+int qcrypto_random_init(Error **errp);
#endif /* QCRYPTO_RANDOM_H */
diff --git a/include/hw/ppc/pnv.h b/include/hw/ppc/pnv.h
index c1288f974d..9c5437dabc 100644
--- a/include/hw/ppc/pnv.h
+++ b/include/hw/ppc/pnv.h
@@ -21,6 +21,7 @@
#include "hw/boards.h"
#include "hw/sysbus.h"
+#include "hw/ipmi/ipmi.h"
#include "hw/ppc/pnv_lpc.h"
#include "hw/ppc/pnv_psi.h"
#include "hw/ppc/pnv_occ.h"
@@ -118,8 +119,6 @@ typedef struct PnvChipClass {
#define POWERNV_MACHINE(obj) \
OBJECT_CHECK(PnvMachineState, (obj), TYPE_POWERNV_MACHINE)
-typedef struct IPMIBmc IPMIBmc;
-
typedef struct PnvMachineState {
/*< private >*/
MachineState parent_obj;
diff --git a/include/hw/ppc/pnv_lpc.h b/include/hw/ppc/pnv_lpc.h
index ccf969af94..023b4f0fec 100644
--- a/include/hw/ppc/pnv_lpc.h
+++ b/include/hw/ppc/pnv_lpc.h
@@ -19,12 +19,12 @@
#ifndef _PPC_PNV_LPC_H
#define _PPC_PNV_LPC_H
+#include "hw/ppc/pnv_psi.h"
+
#define TYPE_PNV_LPC "pnv-lpc"
#define PNV_LPC(obj) \
OBJECT_CHECK(PnvLpcController, (obj), TYPE_PNV_LPC)
-typedef struct PnvPsi PnvPsi;
-
typedef struct PnvLpcController {
DeviceState parent;
diff --git a/include/hw/ppc/pnv_occ.h b/include/hw/ppc/pnv_occ.h
index f8ec330abf..82f299dc76 100644
--- a/include/hw/ppc/pnv_occ.h
+++ b/include/hw/ppc/pnv_occ.h
@@ -19,11 +19,11 @@
#ifndef _PPC_PNV_OCC_H
#define _PPC_PNV_OCC_H
+#include "hw/ppc/pnv_psi.h"
+
#define TYPE_PNV_OCC "pnv-occ"
#define PNV_OCC(obj) OBJECT_CHECK(PnvOCC, (obj), TYPE_PNV_OCC)
-typedef struct PnvPsi PnvPsi;
-
typedef struct PnvOCC {
DeviceState xd;
diff --git a/include/hw/ppc/xics.h b/include/hw/ppc/xics.h
index c215dc72a4..05e6acbb35 100644
--- a/include/hw/ppc/xics.h
+++ b/include/hw/ppc/xics.h
@@ -29,6 +29,7 @@
#define XICS_H
#include "hw/qdev.h"
+#include "target/ppc/cpu-qom.h"
#define XICS_IPI 0x2
#define XICS_BUID 0x1
@@ -46,7 +47,6 @@ typedef struct ICSStateClass ICSStateClass;
typedef struct ICSState ICSState;
typedef struct ICSIRQState ICSIRQState;
typedef struct XICSFabric XICSFabric;
-typedef struct PowerPCCPU PowerPCCPU;
#define TYPE_ICP "icp"
#define ICP(obj) OBJECT_CHECK(ICPState, (obj), TYPE_ICP)
@@ -144,6 +144,8 @@ struct ICSIRQState {
#define XICS_STATUS_SENT 0x2
#define XICS_STATUS_REJECTED 0x4
#define XICS_STATUS_MASKED_PENDING 0x8
+#define XICS_STATUS_PRESENTED 0x10
+#define XICS_STATUS_QUEUED 0x20
uint8_t status;
/* (flags & XICS_FLAGS_IRQ_MASK) == 0 means the interrupt is not allocated */
#define XICS_FLAGS_IRQ_LSI 0x1
diff --git a/include/io/channel-file.h b/include/io/channel-file.h
index d2462c2ed7..79245f1183 100644
--- a/include/io/channel-file.h
+++ b/include/io/channel-file.h
@@ -71,7 +71,7 @@ qio_channel_file_new_fd(int fd);
/**
* qio_channel_file_new_path:
- * @fd: the file descriptor
+ * @path: the file path
* @flags: the open flags (O_RDONLY|O_WRONLY|O_RDWR, etc)
* @mode: the file creation mode if O_WRONLY is set in @flags
* @errp: pointer to initialized error object
diff --git a/include/io/channel.h b/include/io/channel.h
index 5d48906998..db9bb022a1 100644
--- a/include/io/channel.h
+++ b/include/io/channel.h
@@ -315,7 +315,7 @@ ssize_t qio_channel_read(QIOChannel *ioc,
Error **errp);
/**
- * qio_channel_writev:
+ * qio_channel_write:
* @ioc: the channel object
* @buf: the memory regions to send data from
* @buflen: the length of @buf
diff --git a/include/qemu/osdep.h b/include/qemu/osdep.h
index 122ff06ff6..1c9f5e260c 100644
--- a/include/qemu/osdep.h
+++ b/include/qemu/osdep.h
@@ -341,6 +341,9 @@ int qemu_close(int fd);
#ifndef _WIN32
int qemu_dup(int fd);
#endif
+int qemu_lock_fd(int fd, int64_t start, int64_t len, bool exclusive);
+int qemu_unlock_fd(int fd, int64_t start, int64_t len);
+int qemu_lock_fd_test(int fd, int64_t start, int64_t len, bool exclusive);
#if defined(__HAIKU__) && defined(__i386__)
#define FMT_pid "%ld"
generated by cgit v1.2.1 (git 2.18.0) at 2024-07-08 06:59:35 +0000