* THE SOFTWARE.
*/
#include "qemu-common.h"
-#include "qemu-timer.h"
-#include "block_int.h"
-#include "module.h"
+#include "qemu/timer.h"
+#include "block/block_int.h"
+#include "qemu/module.h"
#include "raw-aio.h"
#include "trace.h"
-#include "thread-pool.h"
-#include "iov.h"
+#include "block/thread-pool.h"
+#include "qemu/iov.h"
#include <windows.h>
#include <winioctl.h>
ret_count = 0;
}
if (ret_count != len) {
+ offset += ret_count;
break;
}
offset += len;
BlockDriverCompletionFunc *cb, void *opaque, int type)
{
RawWin32AIOData *acb = g_slice_new(RawWin32AIOData);
+ ThreadPool *pool;
acb->bs = bs;
acb->hfile = hfile;
acb->aio_offset = sector_num * 512;
trace_paio_submit(acb, opaque, sector_num, nb_sectors, type);
- return thread_pool_submit_aio(aio_worker, acb, cb, opaque);
+ pool = aio_get_thread_pool(bdrv_get_aio_context(bs));
+ return thread_pool_submit_aio(pool, aio_worker, acb, cb, opaque);
}
int qemu_ftruncate64(int fd, int64_t length)
}
}
-static int raw_open(BlockDriverState *bs, const char *filename, int flags)
+static QemuOptsList raw_runtime_opts = {
+ .name = "raw",
+ .head = QTAILQ_HEAD_INITIALIZER(raw_runtime_opts.head),
+ .desc = {
+ {
+ .name = "filename",
+ .type = QEMU_OPT_STRING,
+ .help = "File name of the image",
+ },
+ { /* end of list */ }
+ },
+};
+
+static int raw_open(BlockDriverState *bs, QDict *options, int flags,
+ Error **errp)
{
BDRVRawState *s = bs->opaque;
int access_flags;
DWORD overlapped;
+ QemuOpts *opts;
+ Error *local_err = NULL;
+ const char *filename;
+ int ret;
s->type = FTYPE_FILE;
+ opts = qemu_opts_create_nofail(&raw_runtime_opts);
+ qemu_opts_absorb_qdict(opts, options, &local_err);
+ if (error_is_set(&local_err)) {
+ error_propagate(errp, local_err);
+ ret = -EINVAL;
+ goto fail;
+ }
+
+ filename = qemu_opt_get(opts, "filename");
+
raw_parse_flags(flags, &access_flags, &overlapped);
-
+
if ((flags & BDRV_O_NATIVE_AIO) && aio == NULL) {
aio = win32_aio_init();
if (aio == NULL) {
- return -EINVAL;
+ error_setg(errp, "Could not initialize AIO");
+ ret = -EINVAL;
+ goto fail;
}
}
if (s->hfile == INVALID_HANDLE_VALUE) {
int err = GetLastError();
- if (err == ERROR_ACCESS_DENIED)
- return -EACCES;
- return -EINVAL;
+ if (err == ERROR_ACCESS_DENIED) {
+ ret = -EACCES;
+ } else {
+ ret = -EINVAL;
+ }
+ error_setg_errno(errp, -ret, "Could not open file");
+ goto fail;
}
if (flags & BDRV_O_NATIVE_AIO) {
- int ret = win32_aio_attach(aio, s->hfile);
+ ret = win32_aio_attach(aio, s->hfile);
if (ret < 0) {
CloseHandle(s->hfile);
- return ret;
+ error_setg_errno(errp, -ret, "Could not enable AIO");
+ goto fail;
}
s->aio = aio;
}
- return 0;
+
+ ret = 0;
+fail:
+ qemu_opts_del(opts);
+ return ret;
}
static BlockDriverAIOCB *raw_aio_readv(BlockDriverState *bs,
*/
dwPtrLow = SetFilePointer(s->hfile, low, &high, FILE_BEGIN);
if (dwPtrLow == INVALID_SET_FILE_POINTER && GetLastError() != NO_ERROR) {
- fprintf(stderr, "SetFilePointer error: %d\n", GetLastError());
+ fprintf(stderr, "SetFilePointer error: %lu\n", GetLastError());
return -EIO;
}
if (SetEndOfFile(s->hfile) == 0) {
- fprintf(stderr, "SetEndOfFile error: %d\n", GetLastError());
+ fprintf(stderr, "SetEndOfFile error: %lu\n", GetLastError());
return -EIO;
}
return 0;
return st.st_size;
}
-static int raw_create(const char *filename, QEMUOptionParameter *options)
+static int raw_create(const char *filename, QEMUOptionParameter *options,
+ Error **errp)
{
int fd;
int64_t total_size = 0;
fd = qemu_open(filename, O_WRONLY | O_CREAT | O_TRUNC | O_BINARY,
0644);
- if (fd < 0)
+ if (fd < 0) {
+ error_setg_errno(errp, errno, "Could not create file");
return -EIO;
+ }
set_sparse(fd);
ftruncate(fd, total_size * 512);
qemu_close(fd);
.format_name = "file",
.protocol_name = "file",
.instance_size = sizeof(BDRVRawState),
+ .bdrv_needs_filename = true,
.bdrv_file_open = raw_open,
.bdrv_close = raw_close,
.bdrv_create = raw_create,
+ .bdrv_has_zero_init = bdrv_has_zero_init_1,
.bdrv_aio_readv = raw_aio_readv,
.bdrv_aio_writev = raw_aio_writev,
return 0;
}
-static int hdev_open(BlockDriverState *bs, const char *filename, int flags)
+static int hdev_open(BlockDriverState *bs, QDict *options, int flags,
+ Error **errp)
{
BDRVRawState *s = bs->opaque;
int access_flags, create_flags;
+ int ret = 0;
DWORD overlapped;
char device_name[64];
+ Error *local_err = NULL;
+ const char *filename;
+
+ QemuOpts *opts = qemu_opts_create_nofail(&raw_runtime_opts);
+ qemu_opts_absorb_qdict(opts, options, &local_err);
+ if (error_is_set(&local_err)) {
+ error_propagate(errp, local_err);
+ ret = -EINVAL;
+ goto done;
+ }
+
+ filename = qemu_opt_get(opts, "filename");
+
if (strstart(filename, "/dev/cdrom", NULL)) {
- if (find_cdrom(device_name, sizeof(device_name)) < 0)
- return -ENOENT;
+ if (find_cdrom(device_name, sizeof(device_name)) < 0) {
+ error_setg(errp, "Could not open CD-ROM drive");
+ ret = -ENOENT;
+ goto done;
+ }
filename = device_name;
} else {
/* transform drive letters into device name */
if (s->hfile == INVALID_HANDLE_VALUE) {
int err = GetLastError();
- if (err == ERROR_ACCESS_DENIED)
- return -EACCES;
- return -1;
+ if (err == ERROR_ACCESS_DENIED) {
+ ret = -EACCES;
+ } else {
+ ret = -EINVAL;
+ }
+ error_setg_errno(errp, -ret, "Could not open device");
+ goto done;
}
- return 0;
-}
-static int hdev_has_zero_init(BlockDriverState *bs)
-{
- return 0;
+done:
+ qemu_opts_del(opts);
+ return ret;
}
static BlockDriver bdrv_host_device = {
.format_name = "host_device",
.protocol_name = "host_device",
.instance_size = sizeof(BDRVRawState),
+ .bdrv_needs_filename = true,
.bdrv_probe_device = hdev_probe_device,
.bdrv_file_open = hdev_open,
.bdrv_close = raw_close,
- .bdrv_has_zero_init = hdev_has_zero_init,
.bdrv_aio_readv = raw_aio_readv,
.bdrv_aio_writev = raw_aio_writev,
.bdrv_aio_flush = raw_aio_flush,
- .bdrv_getlength = raw_getlength,
+ .bdrv_getlength = raw_getlength,
+ .has_variable_length = true,
+
.bdrv_get_allocated_file_size
= raw_get_allocated_file_size,
};
projects / qemu.git / blobdiff