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Merge remote-tracking branch 'kwolf/for-anthony' into staging

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This commit is contained in:
Anthony Liguori 2011-09-08 09:05:14 -05:00
commit 220724ca4a
27 changed files with 653 additions and 385 deletions
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24
async.c
View File

@ -55,6 +55,9 @@ int qemu_bh_poll(void)
{
QEMUBH *bh, **bhp, *next;
int ret;
static int nesting = 0;
nesting++;
ret = 0;
for (bh = first_bh; bh; bh = next) {
@ -68,15 +71,20 @@ int qemu_bh_poll(void)
}
}
nesting--;
/* remove deleted bhs */
bhp = &first_bh;
while (*bhp) {
bh = *bhp;
if (bh->deleted) {
*bhp = bh->next;
g_free(bh);
} else
bhp = &bh->next;
if (!nesting) {
bhp = &first_bh;
while (*bhp) {
bh = *bhp;
if (bh->deleted) {
*bhp = bh->next;
g_free(bh);
} else {
bhp = &bh->next;
}
}
}
return ret;

104
block.c
View File

@ -44,6 +44,7 @@
#include <windows.h>
#endif
static void bdrv_dev_change_media_cb(BlockDriverState *bs);
static BlockDriverAIOCB *bdrv_aio_readv_em(BlockDriverState *bs,
int64_t sector_num, QEMUIOVector *qiov, int nb_sectors,
BlockDriverCompletionFunc *cb, void *opaque);
@ -688,10 +689,7 @@ int bdrv_open(BlockDriverState *bs, const char *filename, int flags,
}
if (!bdrv_key_required(bs)) {
/* call the change callback */
bs->media_changed = 1;
if (bs->change_cb)
bs->change_cb(bs->change_opaque, CHANGE_MEDIA);
bdrv_dev_change_media_cb(bs);
}
return 0;
@ -727,10 +725,7 @@ void bdrv_close(BlockDriverState *bs)
bdrv_close(bs->file);
}
/* call the change callback */
bs->media_changed = 1;
if (bs->change_cb)
bs->change_cb(bs->change_opaque, CHANGE_MEDIA);
bdrv_dev_change_media_cb(bs);
}
}
@ -755,7 +750,7 @@ void bdrv_make_anon(BlockDriverState *bs)
void bdrv_delete(BlockDriverState *bs)
{
assert(!bs->peer);
assert(!bs->dev);
/* remove from list, if necessary */
bdrv_make_anon(bs);
@ -769,26 +764,58 @@ void bdrv_delete(BlockDriverState *bs)
g_free(bs);
}
int bdrv_attach(BlockDriverState *bs, DeviceState *qdev)
int bdrv_attach_dev(BlockDriverState *bs, void *dev)
/* TODO change to DeviceState *dev when all users are qdevified */
{
if (bs->peer) {
if (bs->dev) {
return -EBUSY;
}
bs->peer = qdev;
bs->dev = dev;
return 0;
}
void bdrv_detach(BlockDriverState *bs, DeviceState *qdev)
/* TODO qdevified devices don't use this, remove when devices are qdevified */
void bdrv_attach_dev_nofail(BlockDriverState *bs, void *dev)
{
assert(bs->peer == qdev);
bs->peer = NULL;
bs->change_cb = NULL;
bs->change_opaque = NULL;
if (bdrv_attach_dev(bs, dev) < 0) {
abort();
}
}
DeviceState *bdrv_get_attached(BlockDriverState *bs)
void bdrv_detach_dev(BlockDriverState *bs, void *dev)
/* TODO change to DeviceState *dev when all users are qdevified */
{
return bs->peer;
assert(bs->dev == dev);
bs->dev = NULL;
bs->dev_ops = NULL;
bs->dev_opaque = NULL;
}
/* TODO change to return DeviceState * when all users are qdevified */
void *bdrv_get_attached_dev(BlockDriverState *bs)
{
return bs->dev;
}
void bdrv_set_dev_ops(BlockDriverState *bs, const BlockDevOps *ops,
void *opaque)
{
bs->dev_ops = ops;
bs->dev_opaque = opaque;
}
static void bdrv_dev_change_media_cb(BlockDriverState *bs)
{
if (bs->dev_ops && bs->dev_ops->change_media_cb) {
bs->dev_ops->change_media_cb(bs->dev_opaque);
}
}
static void bdrv_dev_resize_cb(BlockDriverState *bs)
{
if (bs->dev_ops && bs->dev_ops->resize_cb) {
bs->dev_ops->resize_cb(bs->dev_opaque);
}
}
/*
@ -1261,9 +1288,7 @@ int bdrv_truncate(BlockDriverState *bs, int64_t offset)
ret = drv->bdrv_truncate(bs, offset);
if (ret == 0) {
ret = refresh_total_sectors(bs, offset >> BDRV_SECTOR_BITS);
if (bs->change_cb) {
bs->change_cb(bs->change_opaque, CHANGE_SIZE);
}
bdrv_dev_resize_cb(bs);
}
return ret;
}
@ -1601,15 +1626,6 @@ int bdrv_enable_write_cache(BlockDriverState *bs)
return bs->enable_write_cache;
}
/* XXX: no longer used */
void bdrv_set_change_cb(BlockDriverState *bs,
void (*change_cb)(void *opaque, int reason),
void *opaque)
{
bs->change_cb = change_cb;
bs->change_opaque = opaque;
}
int bdrv_is_encrypted(BlockDriverState *bs)
{
if (bs->backing_hd && bs->backing_hd->encrypted)
@ -1647,9 +1663,7 @@ int bdrv_set_key(BlockDriverState *bs, const char *key)
} else if (!bs->valid_key) {
bs->valid_key = 1;
/* call the change callback now, we skipped it on open */
bs->media_changed = 1;
if (bs->change_cb)
bs->change_cb(bs->change_opaque, CHANGE_MEDIA);
bdrv_dev_change_media_cb(bs);
}
return ret;
}
@ -1739,8 +1753,7 @@ void bdrv_flush_all(void)
BlockDriverState *bs;
QTAILQ_FOREACH(bs, &bdrv_states, list) {
if (bs->drv && !bdrv_is_read_only(bs) &&
(!bdrv_is_removable(bs) || bdrv_is_inserted(bs))) {
if (!bdrv_is_read_only(bs) && bdrv_is_inserted(bs)) {
bdrv_flush(bs);
}
}
@ -2084,7 +2097,7 @@ void bdrv_debug_event(BlockDriverState *bs, BlkDebugEvent event)
int bdrv_can_snapshot(BlockDriverState *bs)
{
BlockDriver *drv = bs->drv;
if (!drv || bdrv_is_removable(bs) || bdrv_is_read_only(bs)) {
if (!drv || !bdrv_is_inserted(bs) || bdrv_is_read_only(bs)) {
return 0;
}
@ -3023,22 +3036,17 @@ int bdrv_is_inserted(BlockDriverState *bs)
}
/**
* Return TRUE if the media changed since the last call to this
* function. It is currently only used for floppy disks
* Return whether the media changed since the last call to this
* function, or -ENOTSUP if we don't know. Most drivers don't know.
*/
int bdrv_media_changed(BlockDriverState *bs)
{
BlockDriver *drv = bs->drv;
int ret;
if (!drv || !drv->bdrv_media_changed)
ret = -ENOTSUP;
else
ret = drv->bdrv_media_changed(bs);
if (ret == -ENOTSUP)
ret = bs->media_changed;
bs->media_changed = 0;
return ret;
if (drv && drv->bdrv_media_changed) {
return drv->bdrv_media_changed(bs);
}
return -ENOTSUP;
}
/**

28
block.h
View File

@ -28,6 +28,20 @@ typedef struct QEMUSnapshotInfo {
uint64_t vm_clock_nsec; /* VM clock relative to boot */
} QEMUSnapshotInfo;
/* Callbacks for block device models */
typedef struct BlockDevOps {
/*
* Runs when virtual media changed (monitor commands eject, change)
* Beware: doesn't run when a host device's physical media
* changes. Sure would be useful if it did.
*/
void (*change_media_cb)(void *opaque);
/*
* Runs when the size changed (e.g. monitor command block_resize)
*/
void (*resize_cb)(void *opaque);
} BlockDevOps;
#define BDRV_O_RDWR 0x0002
#define BDRV_O_SNAPSHOT 0x0008 /* open the file read only and save writes in a snapshot */
#define BDRV_O_NOCACHE 0x0020 /* do not use the host page cache */
@ -74,9 +88,12 @@ int bdrv_file_open(BlockDriverState **pbs, const char *filename, int flags);
int bdrv_open(BlockDriverState *bs, const char *filename, int flags,
BlockDriver *drv);
void bdrv_close(BlockDriverState *bs);
int bdrv_attach(BlockDriverState *bs, DeviceState *qdev);
void bdrv_detach(BlockDriverState *bs, DeviceState *qdev);
DeviceState *bdrv_get_attached(BlockDriverState *bs);
int bdrv_attach_dev(BlockDriverState *bs, void *dev);
void bdrv_attach_dev_nofail(BlockDriverState *bs, void *dev);
void bdrv_detach_dev(BlockDriverState *bs, void *dev);
void *bdrv_get_attached_dev(BlockDriverState *bs);
void bdrv_set_dev_ops(BlockDriverState *bs, const BlockDevOps *ops,
void *opaque);
int bdrv_read(BlockDriverState *bs, int64_t sector_num,
uint8_t *buf, int nb_sectors);
int bdrv_write(BlockDriverState *bs, int64_t sector_num,
@ -192,9 +209,6 @@ int bdrv_media_changed(BlockDriverState *bs);
int bdrv_is_locked(BlockDriverState *bs);
void bdrv_set_locked(BlockDriverState *bs, int locked);
int bdrv_eject(BlockDriverState *bs, int eject_flag);
void bdrv_set_change_cb(BlockDriverState *bs,
void (*change_cb)(void *opaque, int reason),
void *opaque);
void bdrv_get_format(BlockDriverState *bs, char *buf, int buf_size);
BlockDriverState *bdrv_find(const char *name);
BlockDriverState *bdrv_next(BlockDriverState *bs);
@ -244,6 +258,8 @@ int bdrv_img_create(const char *filename, const char *fmt,
const char *base_filename, const char *base_fmt,
char *options, uint64_t img_size, int flags);
void *qemu_blockalign(BlockDriverState *bs, size_t size);
#define BDRV_SECTORS_PER_DIRTY_CHUNK 2048
void bdrv_set_dirty_tracking(BlockDriverState *bs, int enable);

12
block/qcow2.c
View File

@ -526,13 +526,14 @@ static int qcow2_co_writev(BlockDriverState *bs,
int n_end;
int ret;
int cur_nr_sectors; /* number of sectors in current iteration */
QCowL2Meta l2meta;
uint64_t cluster_offset;
QEMUIOVector hd_qiov;
uint64_t bytes_done = 0;
uint8_t *cluster_data = NULL;
QCowL2Meta l2meta = {
.nb_clusters = 0,
};
l2meta.nb_clusters = 0;
qemu_co_queue_init(&l2meta.dependent_requests);
qemu_iovec_init(&hd_qiov, qiov->niov);
@ -592,13 +593,12 @@ static int qcow2_co_writev(BlockDriverState *bs,
}
ret = qcow2_alloc_cluster_link_l2(bs, &l2meta);
run_dependent_requests(s, &l2meta);
if (ret < 0) {
goto fail;
}
run_dependent_requests(s, &l2meta);
remaining_sectors -= cur_nr_sectors;
sector_num += cur_nr_sectors;
bytes_done += cur_nr_sectors * 512;
@ -606,6 +606,8 @@ static int qcow2_co_writev(BlockDriverState *bs,
ret = 0;
fail:
run_dependent_requests(s, &l2meta);
qemu_co_mutex_unlock(&s->lock);
qemu_iovec_destroy(&hd_qiov);

4
block/raw-posix.c
View File

@ -236,6 +236,10 @@ static int raw_open_common(BlockDriverState *bs, const char *filename,
}
#ifdef CONFIG_LINUX_AIO
/*
* Currently Linux do AIO only for files opened with O_DIRECT
* specified so check NOCACHE flag too
*/
if ((bdrv_flags & (BDRV_O_NOCACHE|BDRV_O_NATIVE_AIO)) ==
(BDRV_O_NOCACHE|BDRV_O_NATIVE_AIO)) {

7
block/raw.c
View File

@ -75,6 +75,11 @@ static int raw_is_inserted(BlockDriverState *bs)
return bdrv_is_inserted(bs->file);
}
static int raw_media_changed(BlockDriverState *bs)
{
return bdrv_media_changed(bs->file);
}
static void raw_eject(BlockDriverState *bs, int eject_flag)
{
bdrv_eject(bs->file, eject_flag);
@ -137,8 +142,10 @@ static BlockDriver bdrv_raw = {
.bdrv_discard = raw_discard,
.bdrv_is_inserted = raw_is_inserted,
.bdrv_media_changed = raw_media_changed,
.bdrv_eject = raw_eject,
.bdrv_set_locked = raw_set_locked,
.bdrv_ioctl = raw_ioctl,
.bdrv_aio_ioctl = raw_aio_ioctl,

348
block/vmdk.c
View File

@ -26,9 +26,14 @@
#include "qemu-common.h"
#include "block_int.h"
#include "module.h"
#include "zlib.h"
#define VMDK3_MAGIC (('C' << 24) | ('O' << 16) | ('W' << 8) | 'D')
#define VMDK4_MAGIC (('K' << 24) | ('D' << 16) | ('M' << 8) | 'V')
#define VMDK4_COMPRESSION_DEFLATE 1
#define VMDK4_FLAG_RGD (1 << 1)
#define VMDK4_FLAG_COMPRESS (1 << 16)
#define VMDK4_FLAG_MARKER (1 << 17)
typedef struct {
uint32_t version;
@ -51,11 +56,12 @@ typedef struct {
int64_t desc_offset;
int64_t desc_size;
int32_t num_gtes_per_gte;
int64_t rgd_offset;
int64_t gd_offset;
int64_t rgd_offset;
int64_t grain_offset;
char filler[1];
char check_bytes[4];
uint16_t compressAlgorithm;
} QEMU_PACKED VMDK4Header;
#define L2_CACHE_SIZE 16
@ -63,6 +69,8 @@ typedef struct {
typedef struct VmdkExtent {
BlockDriverState *file;
bool flat;
bool compressed;
bool has_marker;
int64_t sectors;
int64_t end_sector;
int64_t flat_start_offset;
@ -98,6 +106,12 @@ typedef struct VmdkMetaData {
int valid;
} VmdkMetaData;
typedef struct VmdkGrainMarker {
uint64_t lba;
uint32_t size;
uint8_t data[0];
} VmdkGrainMarker;
static int vmdk_probe(const uint8_t *buf, int buf_size, const char *filename)
{
uint32_t magic;
@ -174,6 +188,17 @@ static void vmdk_free_extents(BlockDriverState *bs)
g_free(s->extents);
}
static void vmdk_free_last_extent(BlockDriverState *bs)
{
BDRVVmdkState *s = bs->opaque;
if (s->num_extents == 0) {
return;
}
s->num_extents--;
s->extents = g_realloc(s->extents, s->num_extents * sizeof(VmdkExtent));
}
static uint32_t vmdk_read_cid(BlockDriverState *bs, int parent)
{
char desc[DESC_SIZE];
@ -357,18 +382,18 @@ static int vmdk_init_tables(BlockDriverState *bs, VmdkExtent *extent)
return ret;
}
static int vmdk_open_vmdk3(BlockDriverState *bs, int flags)
static int vmdk_open_vmdk3(BlockDriverState *bs,
BlockDriverState *file,
int flags)
{
int ret;
uint32_t magic;
VMDK3Header header;
BDRVVmdkState *s = bs->opaque;
VmdkExtent *extent;
s->desc_offset = 0x200;
ret = bdrv_pread(bs->file, sizeof(magic), &header, sizeof(header));
ret = bdrv_pread(file, sizeof(magic), &header, sizeof(header));
if (ret < 0) {
goto fail;
return ret;
}
extent = vmdk_add_extent(bs,
bs->file, false,
@ -378,58 +403,58 @@ static int vmdk_open_vmdk3(BlockDriverState *bs, int flags)
le32_to_cpu(header.granularity));
ret = vmdk_init_tables(bs, extent);
if (ret) {
/* vmdk_init_tables cleans up on fail, so only free allocation of
* vmdk_add_extent here. */
goto fail;
/* free extent allocated by vmdk_add_extent */
vmdk_free_last_extent(bs);
}
return 0;
fail:
vmdk_free_extents(bs);
return ret;
}
static int vmdk_open_vmdk4(BlockDriverState *bs, int flags)
static int vmdk_open_desc_file(BlockDriverState *bs, int flags,
int64_t desc_offset);
static int vmdk_open_vmdk4(BlockDriverState *bs,
BlockDriverState *file,
int flags)
{
int ret;
uint32_t magic;
uint32_t l1_size, l1_entry_sectors;
VMDK4Header header;
BDRVVmdkState *s = bs->opaque;
VmdkExtent *extent;
int64_t l1_backup_offset = 0;
s->desc_offset = 0x200;
ret = bdrv_pread(bs->file, sizeof(magic), &header, sizeof(header));
ret = bdrv_pread(file, sizeof(magic), &header, sizeof(header));
if (ret < 0) {
goto fail;
return ret;
}
if (header.capacity == 0 && header.desc_offset) {
return vmdk_open_desc_file(bs, flags, header.desc_offset << 9);
}
l1_entry_sectors = le32_to_cpu(header.num_gtes_per_gte)
* le64_to_cpu(header.granularity);
if (l1_entry_sectors <= 0) {
return -EINVAL;
}
l1_size = (le64_to_cpu(header.capacity) + l1_entry_sectors - 1)
/ l1_entry_sectors;
extent = vmdk_add_extent(bs, bs->file, false,
if (le32_to_cpu(header.flags) & VMDK4_FLAG_RGD) {
l1_backup_offset = le64_to_cpu(header.rgd_offset) << 9;
}
extent = vmdk_add_extent(bs, file, false,
le64_to_cpu(header.capacity),
le64_to_cpu(header.gd_offset) << 9,
le64_to_cpu(header.rgd_offset) << 9,
l1_backup_offset,
l1_size,
le32_to_cpu(header.num_gtes_per_gte),
le64_to_cpu(header.granularity));
if (extent->l1_entry_sectors <= 0) {
ret = -EINVAL;
goto fail;
}
/* try to open parent images, if exist */
ret = vmdk_parent_open(bs);
if (ret) {
goto fail;
}
s->parent_cid = vmdk_read_cid(bs, 1);
extent->compressed =
le16_to_cpu(header.compressAlgorithm) == VMDK4_COMPRESSION_DEFLATE;
extent->has_marker = le32_to_cpu(header.flags) & VMDK4_FLAG_MARKER;
ret = vmdk_init_tables(bs, extent);
if (ret) {
goto fail;
/* free extent allocated by vmdk_add_extent */
vmdk_free_last_extent(bs);
}
return 0;
fail:
vmdk_free_extents(bs);
return ret;
}
@ -460,6 +485,31 @@ static int vmdk_parse_description(const char *desc, const char *opt_name,
return 0;
}
/* Open an extent file and append to bs array */
static int vmdk_open_sparse(BlockDriverState *bs,
BlockDriverState *file,
int flags)
{
uint32_t magic;
if (bdrv_pread(file, 0, &magic, sizeof(magic)) != sizeof(magic)) {
return -EIO;
}
magic = be32_to_cpu(magic);
switch (magic) {
case VMDK3_MAGIC:
return vmdk_open_vmdk3(bs, file, flags);
break;
case VMDK4_MAGIC:
return vmdk_open_vmdk4(bs, file, flags);
break;
default:
return -EINVAL;
break;
}
}
static int vmdk_parse_extents(const char *desc, BlockDriverState *bs,
const char *desc_file_path)
{
@ -470,6 +520,8 @@ static int vmdk_parse_extents(const char *desc, BlockDriverState *bs,
const char *p = desc;
int64_t sectors = 0;
int64_t flat_offset;
char extent_path[PATH_MAX];
BlockDriverState *extent_file;
while (*p) {
/* parse extent line:
@ -504,24 +556,29 @@ static int vmdk_parse_extents(const char *desc, BlockDriverState *bs,
goto next_line;
}
path_combine(extent_path, sizeof(extent_path),
desc_file_path, fname);
ret = bdrv_file_open(&extent_file, extent_path, bs->open_flags);
if (ret) {
return ret;
}
/* save to extents array */
if (!strcmp(type, "FLAT")) {
/* FLAT extent */
char extent_path[PATH_MAX];
BlockDriverState *extent_file;
VmdkExtent *extent;
path_combine(extent_path, sizeof(extent_path),
desc_file_path, fname);
ret = bdrv_file_open(&extent_file, extent_path, bs->open_flags);
if (ret) {
return ret;
}
extent = vmdk_add_extent(bs, extent_file, true, sectors,
0, 0, 0, 0, sectors);
extent->flat_start_offset = flat_offset;
extent->flat_start_offset = flat_offset << 9;
} else if (!strcmp(type, "SPARSE")) {
/* SPARSE extent */
ret = vmdk_open_sparse(bs, extent_file, bs->open_flags);
if (ret) {
bdrv_delete(extent_file);
return ret;
}
} else {
/* SPARSE extent, not supported for now */
fprintf(stderr,
"VMDK: Not supported extent type \"%s\""".\n", type);
return -ENOTSUP;
@ -536,14 +593,15 @@ next_line:
return 0;
}
static int vmdk_open_desc_file(BlockDriverState *bs, int flags)
static int vmdk_open_desc_file(BlockDriverState *bs, int flags,
int64_t desc_offset)
{
int ret;
char buf[2048];
char ct[128];
BDRVVmdkState *s = bs->opaque;
ret = bdrv_pread(bs->file, 0, buf, sizeof(buf));
ret = bdrv_pread(bs->file, desc_offset, buf, sizeof(buf));
if (ret < 0) {
return ret;
}
@ -551,7 +609,9 @@ static int vmdk_open_desc_file(BlockDriverState *bs, int flags)
if (vmdk_parse_description(buf, "createType", ct, sizeof(ct))) {
return -EINVAL;
}
if (strcmp(ct, "monolithicFlat")) {
if (strcmp(ct, "monolithicFlat") &&
strcmp(ct, "twoGbMaxExtentSparse") &&
strcmp(ct, "twoGbMaxExtentFlat")) {
fprintf(stderr,
"VMDK: Not supported image type \"%s\""".\n", ct);
return -ENOTSUP;
@ -573,19 +633,21 @@ static int vmdk_open_desc_file(BlockDriverState *bs, int flags)
static int vmdk_open(BlockDriverState *bs, int flags)
{
uint32_t magic;
int ret;
BDRVVmdkState *s = bs->opaque;
if (bdrv_pread(bs->file, 0, &magic, sizeof(magic)) != sizeof(magic)) {
return -EIO;
}
magic = be32_to_cpu(magic);
if (magic == VMDK3_MAGIC) {
return vmdk_open_vmdk3(bs, flags);
} else if (magic == VMDK4_MAGIC) {
return vmdk_open_vmdk4(bs, flags);
if (vmdk_open_sparse(bs, bs->file, flags) == 0) {
s->desc_offset = 0x200;
/* try to open parent images, if exist */
ret = vmdk_parent_open(bs);
if (ret) {
vmdk_free_extents(bs);
return ret;
}
s->parent_cid = vmdk_read_cid(bs, 1);
return 0;
} else {
return vmdk_open_desc_file(bs, flags);
return vmdk_open_desc_file(bs, flags, 0);
}
}
@ -672,6 +734,7 @@ static int get_cluster_offset(BlockDriverState *bs,
return 0;
}
offset -= (extent->end_sector - extent->sectors) * SECTOR_SIZE;
l1_index = (offset >> 9) / extent->l1_entry_sectors;
if (l1_index >= extent->l1_size) {
return -1;
@ -724,10 +787,12 @@ static int get_cluster_offset(BlockDriverState *bs,
/* Avoid the L2 tables update for the images that have snapshots. */
*cluster_offset = bdrv_getlength(extent->file);
bdrv_truncate(
extent->file,
*cluster_offset + (extent->cluster_sectors << 9)
);
if (!extent->compressed) {
bdrv_truncate(
extent->file,
*cluster_offset + (extent->cluster_sectors << 9)
);
}
*cluster_offset >>= 9;
tmp = cpu_to_le32(*cluster_offset);
@ -798,6 +863,113 @@ static int vmdk_is_allocated(BlockDriverState *bs, int64_t sector_num,
return ret;
}
static int vmdk_write_extent(VmdkExtent *extent, int64_t cluster_offset,
int64_t offset_in_cluster, const uint8_t *buf,
int nb_sectors, int64_t sector_num)
{
int ret;
VmdkGrainMarker *data = NULL;
uLongf buf_len;
const uint8_t *write_buf = buf;
int write_len = nb_sectors * 512;
if (extent->compressed) {
if (!extent->has_marker) {
ret = -EINVAL;
goto out;
}
buf_len = (extent->cluster_sectors << 9) * 2;
data = g_malloc(buf_len + sizeof(VmdkGrainMarker));
if (compress(data->data, &buf_len, buf, nb_sectors << 9) != Z_OK ||
buf_len == 0) {
ret = -EINVAL;
goto out;
}
data->lba = sector_num;
data->size = buf_len;
write_buf = (uint8_t *)data;
write_len = buf_len + sizeof(VmdkGrainMarker);
}
ret = bdrv_pwrite(extent->file,
cluster_offset + offset_in_cluster,
write_buf,
write_len);
if (ret != write_len) {
ret = ret < 0 ? ret : -EIO;
goto out;
}
ret = 0;
out:
g_free(data);
return ret;
}
static int vmdk_read_extent(VmdkExtent *extent, int64_t cluster_offset,
int64_t offset_in_cluster, uint8_t *buf,
int nb_sectors)
{
int ret;
int cluster_bytes, buf_bytes;
uint8_t *cluster_buf, *compressed_data;
uint8_t *uncomp_buf;
uint32_t data_len;
VmdkGrainMarker *marker;
uLongf buf_len;
if (!extent->compressed) {
ret = bdrv_pread(extent->file,
cluster_offset + offset_in_cluster,
buf, nb_sectors * 512);
if (ret == nb_sectors * 512) {
return 0;
} else {
return -EIO;
}
}
cluster_bytes = extent->cluster_sectors * 512;
/* Read two clusters in case GrainMarker + compressed data > one cluster */
buf_bytes = cluster_bytes * 2;
cluster_buf = g_malloc(buf_bytes);
uncomp_buf = g_malloc(cluster_bytes);
ret = bdrv_pread(extent->file,
cluster_offset,
cluster_buf, buf_bytes);
if (ret < 0) {
goto out;
}
compressed_data = cluster_buf;
buf_len = cluster_bytes;
data_len = cluster_bytes;
if (extent->has_marker) {
marker = (VmdkGrainMarker *)cluster_buf;
compressed_data = marker->data;
data_len = le32_to_cpu(marker->size);
}
if (!data_len || data_len > buf_bytes) {
ret = -EINVAL;
goto out;
}
ret = uncompress(uncomp_buf, &buf_len, compressed_data, data_len);
if (ret != Z_OK) {
ret = -EINVAL;
goto out;
}
if (offset_in_cluster < 0 ||
offset_in_cluster + nb_sectors * 512 > buf_len) {
ret = -EINVAL;
goto out;
}
memcpy(buf, uncomp_buf + offset_in_cluster, nb_sectors * 512);
ret = 0;
out:
g_free(uncomp_buf);
g_free(cluster_buf);
return ret;
}
static int vmdk_read(BlockDriverState *bs, int64_t sector_num,
uint8_t *buf, int nb_sectors)
{
@ -834,10 +1006,10 @@ static int vmdk_read(BlockDriverState *bs, int64_t sector_num,
memset(buf, 0, 512 * n);
}
} else {
ret = bdrv_pread(extent->file,
cluster_offset + index_in_cluster * 512,
buf, n * 512);
if (ret < 0) {
ret = vmdk_read_extent(extent,
cluster_offset, index_in_cluster * 512,
buf, n);
if (ret) {
return ret;
}
}
@ -875,8 +1047,25 @@ static int vmdk_write(BlockDriverState *bs, int64_t sector_num,
bs,
extent,
&m_data,
sector_num << 9, 1,
sector_num << 9, !extent->compressed,
&cluster_offset);
if (extent->compressed) {
if (ret == 0) {
/* Refuse write to allocated cluster for streamOptimized */
fprintf(stderr,
"VMDK: can't write to allocated cluster"
" for streamOptimized\n");
return -EIO;
} else {
/* allocate */
ret = get_cluster_offset(
bs,
extent,
&m_data,
sector_num << 9, 1,
&cluster_offset);
}
}
if (ret) {
return -EINVAL;
}
@ -886,11 +1075,10 @@ static int vmdk_write(BlockDriverState *bs, int64_t sector_num,
n = nb_sectors;
}
ret = bdrv_pwrite(extent->file,
cluster_offset + index_in_cluster * 512,
buf,
n * 512);
if (ret < 0) {
ret = vmdk_write_extent(extent,
cluster_offset, index_in_cluster * 512,
buf, n, sector_num);
if (ret) {
return ret;
}
if (m_data.valid) {
@ -914,7 +1102,8 @@ static int vmdk_write(BlockDriverState *bs, int64_t sector_num,
}
static int vmdk_create_extent(const char *filename, int64_t filesize, bool flat)
static int vmdk_create_extent(const char *filename, int64_t filesize,
bool flat, bool compress)
{
int ret, i;
int fd = 0;
@ -938,7 +1127,9 @@ static int vmdk_create_extent(const char *filename, int64_t filesize, bool flat)
magic = cpu_to_be32(VMDK4_MAGIC);
memset(&header, 0, sizeof(header));
header.version = 1;
header.flags = 3; /* ?? */
header.flags =
3 | (compress ? VMDK4_FLAG_COMPRESS | VMDK4_FLAG_MARKER : 0);
header.compressAlgorithm = compress ? VMDK4_COMPRESSION_DEFLATE : 0;
header.capacity = filesize / 512;
header.granularity = 128;
header.num_gtes_per_gte = 512;
@ -968,6 +1159,7 @@ static int vmdk_create_extent(const char *filename, int64_t filesize, bool flat)
header.rgd_offset = cpu_to_le64(header.rgd_offset);
header.gd_offset = cpu_to_le64(header.gd_offset);
header.grain_offset = cpu_to_le64(header.grain_offset);
header.compressAlgorithm = cpu_to_le16(header.compressAlgorithm);
header.check_bytes[0] = 0xa;
header.check_bytes[1] = 0x20;
@ -1109,7 +1301,7 @@ static int vmdk_create(const char *filename, QEMUOptionParameter *options)
const char *fmt = NULL;
int flags = 0;
int ret = 0;
bool flat, split;
bool flat, split, compress;
char ext_desc_lines[BUF_SIZE] = "";
char path[PATH_MAX], prefix[PATH_MAX], postfix[PATH_MAX];
const int64_t split_size = 0x80000000; /* VMDK has constant split size */
@ -1158,7 +1350,8 @@ static int vmdk_create(const char *filename, QEMUOptionParameter *options)
} else if (strcmp(fmt, "monolithicFlat") &&
strcmp(fmt, "monolithicSparse") &&
strcmp(fmt, "twoGbMaxExtentSparse") &&
strcmp(fmt, "twoGbMaxExtentFlat")) {
strcmp(fmt, "twoGbMaxExtentFlat") &&
strcmp(fmt, "streamOptimized")) {
fprintf(stderr, "VMDK: Unknown subformat: %s\n", fmt);
return -EINVAL;
}
@ -1166,6 +1359,7 @@ static int vmdk_create(const char *filename, QEMUOptionParameter *options)
strcmp(fmt, "twoGbMaxExtentSparse"));
flat = !(strcmp(fmt, "monolithicFlat") &&
strcmp(fmt, "twoGbMaxExtentFlat"));
compress = !strcmp(fmt, "streamOptimized");
if (flat) {
desc_extent_line = "RW %lld FLAT \"%s\" 0\n";
} else {
@ -1220,7 +1414,7 @@ static int vmdk_create(const char *filename, QEMUOptionParameter *options)
snprintf(ext_filename, sizeof(ext_filename), "%s%s",
path, desc_filename);
if (vmdk_create_extent(ext_filename, size, flat)) {
if (vmdk_create_extent(ext_filename, size, flat, compress)) {
return -EINVAL;
}
filesize -= size;
@ -1334,7 +1528,7 @@ static QEMUOptionParameter vmdk_create_options[] = {
.type = OPT_STRING,
.help =
"VMDK flat extent format, can be one of "
"{monolithicSparse (default) | monolithicFlat | twoGbMaxExtentSparse | twoGbMaxExtentFlat} "
"{monolithicSparse (default) | monolithicFlat | twoGbMaxExtentSparse | twoGbMaxExtentFlat | streamOptimized} "
},
{ NULL }
};

14
block_int.h
View File

@ -161,21 +161,20 @@ struct BlockDriverState {
int encrypted; /* if true, the media is encrypted */
int valid_key; /* if true, a valid encryption key has been set */
int sg; /* if true, the device is a /dev/sg* */
/* event callback when inserting/removing */
void (*change_cb)(void *opaque, int reason);
void *change_opaque;
BlockDriver *drv; /* NULL means no media */
void *opaque;
DeviceState *peer;
void *dev; /* attached device model, if any */
/* TODO change to DeviceState when all users are qdevified */
const BlockDevOps *dev_ops;
void *dev_opaque;
char filename[1024];
char backing_file[1024]; /* if non zero, the image is a diff of
this file image */
char backing_format[16]; /* if non-zero and backing_file exists */
int is_temporary;
int media_changed;
BlockDriverState *backing_hd;
BlockDriverState *file;
@ -211,9 +210,6 @@ struct BlockDriverState {
void *private;
};
#define CHANGE_MEDIA 0x01
#define CHANGE_SIZE 0x02
struct BlockDriverAIOCB {
AIOPool *pool;
BlockDriverState *bs;
@ -228,8 +224,6 @@ void *qemu_aio_get(AIOPool *pool, BlockDriverState *bs,
BlockDriverCompletionFunc *cb, void *opaque);
void qemu_aio_release(void *p);
void *qemu_blockalign(BlockDriverState *bs, size_t size);
#ifdef _WIN32
int is_windows_drive(const char *filename);
#endif

5
blockdev.c
View File

@ -14,7 +14,6 @@
#include "qemu-option.h"
#include "qemu-config.h"
#include "sysemu.h"
#include "hw/qdev.h"
#include "block_int.h"
static QTAILQ_HEAD(drivelist, DriveInfo) drives = QTAILQ_HEAD_INITIALIZER(drives);
@ -738,12 +737,12 @@ int do_drive_del(Monitor *mon, const QDict *qdict, QObject **ret_data)
bdrv_flush(bs);
bdrv_close(bs);
/* if we have a device associated with this BlockDriverState (bs->peer)
/* if we have a device attached to this BlockDriverState
* then we need to make the drive anonymous until the device
* can be removed. If this is a drive with no device backing
* then we can just get rid of the block driver state right here.
*/
if (bs->peer) {
if (bdrv_get_attached_dev(bs)) {
bdrv_make_anon(bs);
} else {
drive_uninit(drive_get_by_blockdev(bs));

46
hw/fdc.c
View File

@ -535,30 +535,11 @@ static CPUWriteMemoryFunc * const fdctrl_mem_write_strict[3] = {
NULL,
};
static void fdrive_media_changed_pre_save(void *opaque)
{
FDrive *drive = opaque;
drive->media_changed = drive->bs->media_changed;
}
static int fdrive_media_changed_post_load(void *opaque, int version_id)
{
FDrive *drive = opaque;
if (drive->bs != NULL) {
drive->bs->media_changed = drive->media_changed;
}
/* User ejected the floppy when drive->bs == NULL */
return 0;
}
static bool fdrive_media_changed_needed(void *opaque)
{
FDrive *drive = opaque;
return (drive->bs != NULL && drive->bs->media_changed != 1);
return (drive->bs != NULL && drive->media_changed != 1);
}
static const VMStateDescription vmstate_fdrive_media_changed = {
@ -566,8 +547,6 @@ static const VMStateDescription vmstate_fdrive_media_changed = {
.version_id = 1,
.minimum_version_id = 1,
.minimum_version_id_old = 1,
.pre_save = fdrive_media_changed_pre_save,
.post_load = fdrive_media_changed_post_load,
.fields = (VMStateField[]) {
VMSTATE_UINT8(media_changed, FDrive),
VMSTATE_END_OF_LIST()
@ -919,7 +898,15 @@ static int fdctrl_media_changed(FDrive *drv)
if (!drv->bs)
return 0;
ret = bdrv_media_changed(drv->bs);
if (drv->media_changed) {
drv->media_changed = 0;
ret = 1;
} else {
ret = bdrv_media_changed(drv->bs);
if (ret < 0) {
ret = 0; /* we don't know, assume no */
}
}
if (ret) {
fd_revalidate(drv);
}
@ -1791,6 +1778,17 @@ static void fdctrl_result_timer(void *opaque)
fdctrl_stop_transfer(fdctrl, 0x00, 0x00, 0x00);
}
static void fdctrl_change_cb(void *opaque)
{
FDrive *drive = opaque;
drive->media_changed = 1;
}
static const BlockDevOps fdctrl_block_ops = {
.change_media_cb = fdctrl_change_cb,
};
/* Init functions */
static int fdctrl_connect_drives(FDCtrl *fdctrl)
{
@ -1814,7 +1812,9 @@ static int fdctrl_connect_drives(FDCtrl *fdctrl)
fd_init(drive);
fd_revalidate(drive);
if (drive->bs) {
drive->media_changed = 1;
bdrv_set_removable(drive->bs, 1);
bdrv_set_dev_ops(drive->bs, &fdctrl_block_ops, drive);
}
}
return 0;

35
hw/ide/core.c
View File

@ -783,15 +783,11 @@ static void ide_cfata_metadata_write(IDEState *s)
}
/* called when the inserted state of the media has changed */
static void cdrom_change_cb(void *opaque, int reason)
static void ide_cd_change_cb(void *opaque)
{
IDEState *s = opaque;
uint64_t nb_sectors;
if (!(reason & CHANGE_MEDIA)) {
return;
}
bdrv_get_geometry(s->bs, &nb_sectors);
s->nb_sectors = nb_sectors;
@ -983,7 +979,7 @@ void ide_exec_cmd(IDEBus *bus, uint32_t val)
s->status = READY_STAT | SEEK_STAT;
ide_set_irq(s->bus);
break;
case WIN_READ_EXT:
case WIN_READ_EXT:
lba48 = 1;
case WIN_READ:
case WIN_READ_ONCE:
@ -993,7 +989,7 @@ void ide_exec_cmd(IDEBus *bus, uint32_t val)
s->req_nb_sectors = 1;
ide_sector_read(s);
break;
case WIN_WRITE_EXT:
case WIN_WRITE_EXT:
lba48 = 1;
case WIN_WRITE:
case WIN_WRITE_ONCE:
@ -1006,7 +1002,7 @@ void ide_exec_cmd(IDEBus *bus, uint32_t val)
ide_transfer_start(s, s->io_buffer, 512, ide_sector_write);
s->media_changed = 1;
break;
case WIN_MULTREAD_EXT:
case WIN_MULTREAD_EXT:
lba48 = 1;
case WIN_MULTREAD:
if (!s->mult_sectors)
@ -1031,7 +1027,7 @@ void ide_exec_cmd(IDEBus *bus, uint32_t val)
ide_transfer_start(s, s->io_buffer, 512 * n, ide_sector_write);
s->media_changed = 1;
break;
case WIN_READDMA_EXT:
case WIN_READDMA_EXT:
lba48 = 1;
case WIN_READDMA:
case WIN_READDMA_ONCE:
@ -1040,7 +1036,7 @@ void ide_exec_cmd(IDEBus *bus, uint32_t val)
ide_cmd_lba48_transform(s, lba48);
ide_sector_start_dma(s, IDE_DMA_READ);
break;
case WIN_WRITEDMA_EXT:
case WIN_WRITEDMA_EXT:
lba48 = 1;
case WIN_WRITEDMA:
case WIN_WRITEDMA_ONCE:
@ -1133,7 +1129,7 @@ void ide_exec_cmd(IDEBus *bus, uint32_t val)
case WIN_STANDBYNOW1:
case WIN_STANDBYNOW2:
case WIN_IDLEIMMEDIATE:
case CFA_IDLEIMMEDIATE:
case WIN_IDLEIMMEDIATE2:
case WIN_SETIDLE1:
case WIN_SETIDLE2:
case WIN_SLEEPNOW1:
@ -1172,7 +1168,7 @@ void ide_exec_cmd(IDEBus *bus, uint32_t val)
*/
ide_set_irq(s->bus);
break;
case WIN_SRST:
case WIN_DEVICE_RESET:
if (s->drive_kind != IDE_CD)
goto abort_cmd;
ide_set_signature(s);
@ -1265,7 +1261,7 @@ void ide_exec_cmd(IDEBus *bus, uint32_t val)
ide_set_irq(s->bus);
break;
case WIN_SMART:
case WIN_SMART:
if (s->drive_kind == IDE_CD)
goto abort_cmd;
if (s->hcyl != 0xc2 || s->lcyl != 0x4f)
@ -1742,6 +1738,10 @@ void ide_bus_reset(IDEBus *bus)
bus->dma->ops->reset(bus->dma);
}
static const BlockDevOps ide_cd_block_ops = {
.change_media_cb = ide_cd_change_cb,
};
int ide_init_drive(IDEState *s, BlockDriverState *bs, IDEDriveKind kind,
const char *version, const char *serial)
{
@ -1776,7 +1776,7 @@ int ide_init_drive(IDEState *s, BlockDriverState *bs, IDEDriveKind kind,
s->smart_errors = 0;
s->smart_selftest_count = 0;
if (kind == IDE_CD) {
bdrv_set_change_cb(bs, cdrom_change_cb, s);
bdrv_set_dev_ops(bs, &ide_cd_block_ops, s);
bs->buffer_alignment = 2048;
} else {
if (!bdrv_is_inserted(s->bs)) {
@ -1890,6 +1890,7 @@ void ide_init2_with_non_qdev_drives(IDEBus *bus, DriveInfo *hd0,
error_report("Can't set up IDE drive %s", dinfo->id);
exit(1);
}
bdrv_attach_dev_nofail(dinfo->bdrv, &bus->ifs[i]);
} else {
ide_reset(&bus->ifs[i]);
}
@ -2009,7 +2010,7 @@ static bool ide_error_needed(void *opaque)
}
/* Fields for GET_EVENT_STATUS_NOTIFICATION ATAPI command */
const VMStateDescription vmstate_ide_atapi_gesn_state = {
static const VMStateDescription vmstate_ide_atapi_gesn_state = {
.name ="ide_drive/atapi/gesn_state",
.version_id = 1,
.minimum_version_id = 1,
@ -2021,7 +2022,7 @@ const VMStateDescription vmstate_ide_atapi_gesn_state = {
}
};
const VMStateDescription vmstate_ide_drive_pio_state = {
static const VMStateDescription vmstate_ide_drive_pio_state = {
.name = "ide_drive/pio_state",
.version_id = 1,
.minimum_version_id = 1,
@ -2083,7 +2084,7 @@ const VMStateDescription vmstate_ide_drive = {
}
};
const VMStateDescription vmstate_ide_error_status = {
static const VMStateDescription vmstate_ide_error_status = {
.name ="ide_bus/error",
.version_id = 1,
.minimum_version_id = 1,

171
hw/ide/internal.h
View File

@ -55,111 +55,120 @@ typedef struct IDEDMAOps IDEDMAOps;
#define IDE_CMD_RESET 0x04
#define IDE_CMD_DISABLE_IRQ 0x02
/* ATA/ATAPI Commands pre T13 Spec */
/* ACS-2 T13/2015-D Table B.2 Command codes */
#define WIN_NOP 0x00
/*
* 0x01->0x02 Reserved
*/
/* reserved 0x01..0x02 */
#define CFA_REQ_EXT_ERROR_CODE 0x03 /* CFA Request Extended Error Code */
/*
* 0x04->0x05 Reserved
*/
/* reserved 0x04..0x05 */
#define WIN_DSM 0x06
/*
* 0x07 Reserved
*/
#define WIN_SRST 0x08 /* ATAPI soft reset command */
/* reserved 0x07 */
#define WIN_DEVICE_RESET 0x08
/*
* 0x09->0x0F Reserved
*/
#define WIN_RECAL 0x10
#define WIN_RESTORE WIN_RECAL
/*
* 0x10->0x1F Reserved
*/
/* reserved 0x09..0x0a */
/* REQUEST SENSE DATA EXT 0x0B */
/* reserved 0x0C..0x0F */
#define WIN_RECAL 0x10 /* obsolete since ATA4 */
/* obsolete since ATA3, retired in ATA4 0x11..0x1F */
#define WIN_READ 0x20 /* 28-Bit */
#define WIN_READ_ONCE 0x21 /* 28-Bit without retries */
#define WIN_READ_LONG 0x22 /* 28-Bit */
#define WIN_READ_LONG_ONCE 0x23 /* 28-Bit without retries */
#define WIN_READ_ONCE 0x21 /* 28-Bit w/o retries, obsolete since ATA5 */
/* obsolete since ATA4 0x22..0x23 */
#define WIN_READ_EXT 0x24 /* 48-Bit */
#define WIN_READDMA_EXT 0x25 /* 48-Bit */
#define WIN_READDMA_QUEUED_EXT 0x26 /* 48-Bit */
#define WIN_READDMA_QUEUED_EXT 0x26 /* 48-Bit, obsolete since ACS2 */
#define WIN_READ_NATIVE_MAX_EXT 0x27 /* 48-Bit */
/*
* 0x28
*/
/* reserved 0x28 */
#define WIN_MULTREAD_EXT 0x29 /* 48-Bit */
/*
* 0x2A->0x2F Reserved
*/
/* READ STREAM DMA EXT 0x2A */
/* READ STREAM EXT 0x2B */
/* reserved 0x2C..0x2E */
/* READ LOG EXT 0x2F */
#define WIN_WRITE 0x30 /* 28-Bit */
#define WIN_WRITE_ONCE 0x31 /* 28-Bit without retries */
#define WIN_WRITE_LONG 0x32 /* 28-Bit */
#define WIN_WRITE_LONG_ONCE 0x33 /* 28-Bit without retries */
#define WIN_WRITE_ONCE 0x31 /* 28-Bit w/o retries, obsolete since ATA5 */
/* obsolete since ATA4 0x32..0x33 */
#define WIN_WRITE_EXT 0x34 /* 48-Bit */
#define WIN_WRITEDMA_EXT 0x35 /* 48-Bit */
#define WIN_WRITEDMA_QUEUED_EXT 0x36 /* 48-Bit */
#define WIN_SET_MAX_EXT 0x37 /* 48-Bit, obsolete since ACS2 */
#define WIN_SET_MAX_EXT 0x37 /* 48-Bit */
#define CFA_WRITE_SECT_WO_ERASE 0x38 /* CFA Write Sectors without erase */
#define WIN_MULTWRITE_EXT 0x39 /* 48-Bit */
/*
* 0x3A->0x3B Reserved
*/
#define WIN_WRITE_VERIFY 0x3C /* 28-Bit */
/*
* 0x3D->0x3F Reserved
*/
/* WRITE STREAM DMA EXT 0x3A */
/* WRITE STREAM EXT 0x3B */
#define WIN_WRITE_VERIFY 0x3C /* 28-Bit, obsolete since ATA4 */
/* WRITE DMA FUA EXT 0x3D */
/* obsolete since ACS2 0x3E */
/* WRITE LOG EXT 0x3F */
#define WIN_VERIFY 0x40 /* 28-Bit - Read Verify Sectors */
#define WIN_VERIFY_ONCE 0x41 /* 28-Bit - without retries */
#define WIN_VERIFY_ONCE 0x41 /* 28-Bit - w/o retries, obsolete since ATA5 */
#define WIN_VERIFY_EXT 0x42 /* 48-Bit */
/*
* 0x43->0x4F Reserved
*/
#define WIN_FORMAT 0x50
/*
* 0x51->0x5F Reserved
*/
#define WIN_INIT 0x60
/*
* 0x61->0x5F Reserved
*/
#define WIN_SEEK 0x70 /* 0x70-0x7F Reserved */
/* reserved 0x43..0x44 */
/* WRITE UNCORRECTABLE EXT 0x45 */
/* reserved 0x46 */
/* READ LOG DMA EXT 0x47 */
/* reserved 0x48..0x4F */
/* obsolete since ATA4 0x50 */
/* CONFIGURE STREAM 0x51 */
/* reserved 0x52..0x56 */
/* WRITE LOG DMA EXT 0x57 */
/* reserved 0x58..0x5A */
/* TRUSTED NON DATA 0x5B */
/* TRUSTED RECEIVE 0x5C */
/* TRUSTED RECEIVE DMA 0x5D */
/* TRUSTED SEND 0x5E */
/* TRUSTED SEND DMA 0x5F */
/* READ FPDMA QUEUED 0x60 */
/* WRITE FPDMA QUEUED 0x61 */
/* reserved 0x62->0x6F */
#define WIN_SEEK 0x70 /* obsolete since ATA7 */
/* reserved 0x71-0x7F */
/* vendor specific 0x80-0x86 */
#define CFA_TRANSLATE_SECTOR 0x87 /* CFA Translate Sector */
/* vendor specific 0x88-0x8F */
#define WIN_DIAGNOSE 0x90
#define WIN_SPECIFY 0x91 /* set drive geometry translation */
#define WIN_SPECIFY 0x91 /* set drive geometry translation, obsolete since ATA6 */
#define WIN_DOWNLOAD_MICROCODE 0x92
#define WIN_STANDBYNOW2 0x94
#define CFA_IDLEIMMEDIATE 0x95 /* force drive to become "ready" */
#define WIN_STANDBY2 0x96
#define WIN_SETIDLE2 0x97
#define WIN_CHECKPOWERMODE2 0x98
#define WIN_SLEEPNOW2 0x99
/*
* 0x9A VENDOR
*/
/* DOWNLOAD MICROCODE DMA 0x93 */
#define WIN_STANDBYNOW2 0x94 /* retired in ATA4 */
#define WIN_IDLEIMMEDIATE2 0x95 /* force drive to become "ready", retired in ATA4 */
#define WIN_STANDBY2 0x96 /* retired in ATA4 */
#define WIN_SETIDLE2 0x97 /* retired in ATA4 */
#define WIN_CHECKPOWERMODE2 0x98 /* retired in ATA4 */
#define WIN_SLEEPNOW2 0x99 /* retired in ATA4 */
/* vendor specific 0x9A */
/* reserved 0x9B..0x9F */
#define WIN_PACKETCMD 0xA0 /* Send a packet command. */
#define WIN_PIDENTIFY 0xA1 /* identify ATAPI device */
#define WIN_QUEUED_SERVICE 0xA2
#define WIN_QUEUED_SERVICE 0xA2 /* obsolete since ACS2 */
/* reserved 0xA3..0xAF */
#define WIN_SMART 0xB0 /* self-monitoring and reporting */
/* Device Configuration Overlay 0xB1 */
/* reserved 0xB2..0xB3 */
/* Sanitize Device 0xB4 */
/* reserved 0xB5 */
/* NV Cache 0xB6 */
/* reserved for CFA 0xB7..0xBB */
#define CFA_ACCESS_METADATA_STORAGE 0xB8
/* reserved 0xBC..0xBF */
#define CFA_ERASE_SECTORS 0xC0 /* microdrives implement as NOP */
/* vendor specific 0xC1..0xC3 */
#define WIN_MULTREAD 0xC4 /* read sectors using multiple mode*/
#define WIN_MULTWRITE 0xC5 /* write sectors using multiple mode */
#define WIN_SETMULT 0xC6 /* enable/disable multiple mode */
#define WIN_READDMA_QUEUED 0xC7 /* read sectors using Queued DMA transfers */
#define WIN_READDMA_QUEUED 0xC7 /* read sectors using Queued DMA transfers, obsolete since ACS2 */
#define WIN_READDMA 0xC8 /* read sectors using DMA transfers */
#define WIN_READDMA_ONCE 0xC9 /* 28-Bit - without retries */
#define WIN_READDMA_ONCE 0xC9 /* 28-Bit - w/o retries, obsolete since ATA5 */
#define WIN_WRITEDMA 0xCA /* write sectors using DMA transfers */
#define WIN_WRITEDMA_ONCE 0xCB /* 28-Bit - without retries */
#define WIN_WRITEDMA_QUEUED 0xCC /* write sectors using Queued DMA transfers */
#define WIN_WRITEDMA_ONCE 0xCB /* 28-Bit - w/o retries, obsolete since ATA5 */
#define WIN_WRITEDMA_QUEUED 0xCC /* write sectors using Queued DMA transfers, obsolete since ACS2 */
#define CFA_WRITE_MULTI_WO_ERASE 0xCD /* CFA Write multiple without erase */
#define WIN_GETMEDIASTATUS 0xDA
#define WIN_ACKMEDIACHANGE 0xDB /* ATA-1, ATA-2 vendor */
#define WIN_POSTBOOT 0xDC
#define WIN_PREBOOT 0xDD
#define WIN_DOORLOCK 0xDE /* lock door on removable drives */
#define WIN_DOORUNLOCK 0xDF /* unlock door on removable drives */
/* WRITE MULTIPLE FUA EXT 0xCE */
/* reserved 0xCF..0xDO */
/* CHECK MEDIA CARD TYPE 0xD1 */
/* reserved for media card pass through 0xD2..0xD4 */
/* reserved 0xD5..0xD9 */
#define WIN_GETMEDIASTATUS 0xDA /* obsolete since ATA8 */
/* obsolete since ATA3, retired in ATA4 0xDB..0xDD */
#define WIN_DOORLOCK 0xDE /* lock door on removable drives, obsolete since ATA8 */
#define WIN_DOORUNLOCK 0xDF /* unlock door on removable drives, obsolete since ATA8 */
#define WIN_STANDBYNOW1 0xE0
#define WIN_IDLEIMMEDIATE 0xE1 /* force drive to become "ready" */
#define WIN_STANDBY 0xE2 /* Set device in Standby Mode */
@ -169,25 +178,25 @@ typedef struct IDEDMAOps IDEDMAOps;
#define WIN_SLEEPNOW1 0xE6
#define WIN_FLUSH_CACHE 0xE7
#define WIN_WRITE_BUFFER 0xE8 /* force write only 1 sector */
#define WIN_WRITE_SAME 0xE9 /* read ata-2 to use */
/* SET_FEATURES 0x22 or 0xDD */
/* READ BUFFER DMA 0xE9 */
#define WIN_FLUSH_CACHE_EXT 0xEA /* 48-Bit */
/* WRITE BUFFER DMA 0xEB */
#define WIN_IDENTIFY 0xEC /* ask drive to identify itself */
#define WIN_MEDIAEJECT 0xED
#define WIN_IDENTIFY_DMA 0xEE /* same as WIN_IDENTIFY, but DMA */
#define WIN_MEDIAEJECT 0xED /* obsolete since ATA8 */
/* obsolete since ATA4 0xEE */
#define WIN_SETFEATURES 0xEF /* set special drive features */
#define EXABYTE_ENABLE_NEST 0xF0
#define IBM_SENSE_CONDITION 0xF0 /* measure disk temperature */
#define IBM_SENSE_CONDITION 0xF0 /* measure disk temperature, vendor specific */
#define WIN_SECURITY_SET_PASS 0xF1
#define WIN_SECURITY_UNLOCK 0xF2
#define WIN_SECURITY_ERASE_PREPARE 0xF3
#define WIN_SECURITY_ERASE_UNIT 0xF4
#define WIN_SECURITY_FREEZE_LOCK 0xF5
#define CFA_WEAR_LEVEL 0xF5 /* microdrives implement as NOP */
#define CFA_WEAR_LEVEL 0xF5 /* microdrives implement as NOP; not specified in T13! */
#define WIN_SECURITY_DISABLE 0xF6
/* vendor specific 0xF7 */
#define WIN_READ_NATIVE_MAX 0xF8 /* return the native maximum address */
#define WIN_SET_MAX 0xF9
#define DISABLE_SEAGATE 0xFB
/* vendor specific 0xFA..0xFF */
/* set to 1 set disable mult support */
#define MAX_MULT_SECTORS 16

7
hw/ide/piix.c
View File

@ -27,7 +27,6 @@
#include <hw/pci.h>
#include <hw/isa.h>
#include "block.h"
#include "block_int.h"
#include "sysemu.h"
#include "dma.h"
@ -176,10 +175,10 @@ static int pci_piix3_xen_ide_unplug(DeviceState *dev)
for (; i < 3; i++) {
di = drive_get_by_index(IF_IDE, i);
if (di != NULL && di->bdrv != NULL && !di->bdrv->removable) {
DeviceState *ds = bdrv_get_attached(di->bdrv);
if (di != NULL && !di->media_cd) {
DeviceState *ds = bdrv_get_attached_dev(di->bdrv);
if (ds) {
bdrv_detach(di->bdrv, ds);
bdrv_detach_dev(di->bdrv, ds);
}
bdrv_close(di->bdrv);
pci_ide->bus[di->bus].ifs[di->unit].bs = NULL;

1
hw/pflash_cfi01.c
View File

@ -603,6 +603,7 @@ pflash_t *pflash_cfi01_register(target_phys_addr_t base,
g_free(pfl);
return NULL;
}
bdrv_attach_dev_nofail(pfl->bs, pfl);
}
#if 0 /* XXX: there should be a bit to set up read-only,
* the same way the hardware does (with WP pin).

1
hw/pflash_cfi02.c
View File

@ -641,6 +641,7 @@ pflash_t *pflash_cfi02_register(target_phys_addr_t base,
g_free(pfl);
return NULL;
}
bdrv_attach_dev_nofail(pfl->bs, pfl);
}
pflash_setup_mappings(pfl);
pfl->rom_mode = 1;

6
hw/qdev-properties.c
View File

@ -312,7 +312,7 @@ static int parse_drive(DeviceState *dev, Property *prop, const char *str)
bs = bdrv_find(str);
if (bs == NULL)
return -ENOENT;
if (bdrv_attach(bs, dev) < 0)
if (bdrv_attach_dev(bs, dev) < 0)
return -EEXIST;
*ptr = bs;
return 0;
@ -323,7 +323,7 @@ static void free_drive(DeviceState *dev, Property *prop)
BlockDriverState **ptr = qdev_get_prop_ptr(dev, prop);
if (*ptr) {
bdrv_detach(*ptr, dev);
bdrv_detach_dev(*ptr, dev);
blockdev_auto_del(*ptr);
}
}
@ -678,7 +678,7 @@ int qdev_prop_set_drive(DeviceState *dev, const char *name, BlockDriverState *va
{
int res;
res = bdrv_attach(value, dev);
res = bdrv_attach_dev(value, dev);
if (res < 0) {
error_report("Can't attach drive %s to %s.%s: %s",
bdrv_get_device_name(value),

6
hw/scsi-bus.c
View File

@ -498,6 +498,7 @@ void scsi_req_build_sense(SCSIRequest *req, SCSISense sense)
memset(req->sense, 0, 18);
req->sense[0] = 0xf0;
req->sense[2] = sense.key;
req->sense[7] = 10;
req->sense[12] = sense.asc;
req->sense[13] = sense.ascq;
req->sense_len = 18;
@ -883,7 +884,7 @@ int scsi_build_sense(uint8_t *in_buf, int in_len,
/* Return fixed format sense buffer */
buf[0] = 0xf0;
buf[2] = sense.key;
buf[7] = 7;
buf[7] = 10;
buf[12] = sense.asc;
buf[13] = sense.ascq;
return MIN(len, 18);
@ -977,7 +978,7 @@ static const char *scsi_command_name(uint8_t cmd)
[ LOCATE_16 ] = "LOCATE_16",
[ WRITE_SAME_16 ] = "WRITE_SAME_16",
[ ERASE_16 ] = "ERASE_16",
[ SERVICE_ACTION_IN ] = "SERVICE_ACTION_IN",
[ SERVICE_ACTION_IN_16 ] = "SERVICE_ACTION_IN_16",
[ WRITE_LONG_16 ] = "WRITE_LONG_16",
[ REPORT_LUNS ] = "REPORT_LUNS",
[ BLANK ] = "BLANK",
@ -987,6 +988,7 @@ static const char *scsi_command_name(uint8_t cmd)
[ LOAD_UNLOAD ] = "LOAD_UNLOAD",
[ READ_12 ] = "READ_12",
[ WRITE_12 ] = "WRITE_12",
[ SERVICE_ACTION_IN_12 ] = "SERVICE_ACTION_IN_12",
[ WRITE_VERIFY_12 ] = "WRITE_VERIFY_12",
[ VERIFY_12 ] = "VERIFY_12",
[ SEARCH_HIGH_12 ] = "SEARCH_HIGH_12",

8
hw/scsi-defs.h
View File

@ -102,7 +102,7 @@
#define LOCATE_16 0x92
#define WRITE_SAME_16 0x93
#define ERASE_16 0x93
#define SERVICE_ACTION_IN 0x9e
#define SERVICE_ACTION_IN_16 0x9e
#define WRITE_LONG_16 0x9f
#define REPORT_LUNS 0xa0
#define BLANK 0xa1
@ -112,6 +112,7 @@
#define LOAD_UNLOAD 0xa6
#define READ_12 0xa8
#define WRITE_12 0xaa
#define SERVICE_ACTION_IN_12 0xab
#define WRITE_VERIFY_12 0xae
#define VERIFY_12 0xaf
#define SEARCH_HIGH_12 0xb0
@ -122,6 +123,11 @@
#define READ_DEFECT_DATA_12 0xb7
#define SET_CD_SPEED 0xbb
/*
* SERVICE ACTION IN subcodes
*/
#define SAI_READ_CAPACITY_16 0x10
/*
* SAM Status codes
*/

157
hw/scsi-disk.c
View File

@ -111,9 +111,10 @@ static void scsi_read_complete(void * opaque, int ret)
SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, r->req.dev);
int n;
r->req.aiocb = NULL;
bdrv_acct_done(s->bs, &r->acct);
if (r->req.aiocb != NULL) {
r->req.aiocb = NULL;
bdrv_acct_done(s->bs, &r->acct);
}
if (ret) {
if (scsi_handle_rw_error(r, -ret, SCSI_REQ_STATUS_RETRY_READ)) {
@ -129,6 +130,24 @@ static void scsi_read_complete(void * opaque, int ret)
scsi_req_data(&r->req, r->iov.iov_len);
}
static void scsi_flush_complete(void * opaque, int ret)
{
SCSIDiskReq *r = (SCSIDiskReq *)opaque;
SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, r->req.dev);
if (r->req.aiocb != NULL) {
r->req.aiocb = NULL;
bdrv_acct_done(s->bs, &r->acct);
}
if (ret < 0) {
if (scsi_handle_rw_error(r, -ret, SCSI_REQ_STATUS_RETRY_FLUSH)) {
return;
}
}
scsi_req_complete(&r->req, GOOD);
}
/* Read more data from scsi device into buffer. */
static void scsi_read_data(SCSIRequest *req)
@ -217,9 +236,10 @@ static void scsi_write_complete(void * opaque, int ret)
uint32_t len;
uint32_t n;
r->req.aiocb = NULL;
bdrv_acct_done(s->bs, &r->acct);
if (r->req.aiocb != NULL) {
r->req.aiocb = NULL;
bdrv_acct_done(s->bs, &r->acct);
}
if (ret) {
if (scsi_handle_rw_error(r, -ret, SCSI_REQ_STATUS_RETRY_WRITE)) {
@ -526,12 +546,12 @@ static int scsi_disk_emulate_inquiry(SCSIRequest *req, uint8_t *outbuf)
return buflen;
}
static int mode_sense_page(SCSIRequest *req, int page, uint8_t *p,
static int mode_sense_page(SCSIDiskState *s, int page, uint8_t **p_outbuf,
int page_control)
{
SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, req->dev);
BlockDriverState *bdrv = s->bs;
int cylinders, heads, secs;
uint8_t *p = *p_outbuf;
/*
* If Changeable Values are requested, a mask denoting those mode parameters
@ -541,10 +561,13 @@ static int mode_sense_page(SCSIRequest *req, int page, uint8_t *p,
*/
switch (page) {
case 4: /* Rigid disk device geometry page. */
if (s->qdev.type == TYPE_ROM) {
return -1;
}
p[0] = 4;
p[1] = 0x16;
if (page_control == 1) { /* Changeable Values */
return p[1] + 2;
break;
}
/* if a geometry hint is available, use it */
bdrv_get_geometry_hint(bdrv, &cylinders, &heads, &secs);
@ -570,13 +593,16 @@ static int mode_sense_page(SCSIRequest *req, int page, uint8_t *p,
/* Medium rotation rate [rpm], 5400 rpm */
p[20] = (5400 >> 8) & 0xff;
p[21] = 5400 & 0xff;
return p[1] + 2;
break;
case 5: /* Flexible disk device geometry page. */
if (s->qdev.type == TYPE_ROM) {
return -1;
}
p[0] = 5;
p[1] = 0x1e;
if (page_control == 1) { /* Changeable Values */
return p[1] + 2;
break;
}
/* Transfer rate [kbit/s], 5Mbit/s */
p[2] = 5000 >> 8;
@ -609,26 +635,27 @@ static int mode_sense_page(SCSIRequest *req, int page, uint8_t *p,
/* Medium rotation rate [rpm], 5400 rpm */
p[28] = (5400 >> 8) & 0xff;
p[29] = 5400 & 0xff;
return p[1] + 2;
break;
case 8: /* Caching page. */
p[0] = 8;
p[1] = 0x12;
if (page_control == 1) { /* Changeable Values */
return p[1] + 2;
break;
}
if (bdrv_enable_write_cache(s->bs)) {
p[2] = 4; /* WCE */
}
return p[1] + 2;
break;
case 0x2a: /* CD Capabilities and Mechanical Status page. */
if (s->qdev.type != TYPE_ROM)
return 0;
if (s->qdev.type != TYPE_ROM) {
return -1;
}
p[0] = 0x2a;
p[1] = 0x14;
if (page_control == 1) { /* Changeable Values */
return p[1] + 2;
break;
}
p[2] = 3; // CD-R & CD-RW read
p[3] = 0; // Writing not supported
@ -653,27 +680,30 @@ static int mode_sense_page(SCSIRequest *req, int page, uint8_t *p,
p[19] = (16 * 176) & 0xff;
p[20] = (16 * 176) >> 8; // 16x write speed current
p[21] = (16 * 176) & 0xff;
return p[1] + 2;
break;
default:
return 0;
return -1;
}
*p_outbuf += p[1] + 2;
return p[1] + 2;
}
static int scsi_disk_emulate_mode_sense(SCSIRequest *req, uint8_t *outbuf)
static int scsi_disk_emulate_mode_sense(SCSIDiskReq *r, uint8_t *outbuf)
{
SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, req->dev);
SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, r->req.dev);
uint64_t nb_sectors;
int page, dbd, buflen, page_control;
int page, dbd, buflen, ret, page_control;
uint8_t *p;
uint8_t dev_specific_param;
dbd = req->cmd.buf[1] & 0x8;
page = req->cmd.buf[2] & 0x3f;
page_control = (req->cmd.buf[2] & 0xc0) >> 6;
dbd = r->req.cmd.buf[1] & 0x8;
page = r->req.cmd.buf[2] & 0x3f;
page_control = (r->req.cmd.buf[2] & 0xc0) >> 6;
DPRINTF("Mode Sense(%d) (page %d, xfer %zd, page_control %d)\n",
(req->cmd.buf[0] == MODE_SENSE) ? 6 : 10, page, req->cmd.xfer, page_control);
memset(outbuf, 0, req->cmd.xfer);
(r->req.cmd.buf[0] == MODE_SENSE) ? 6 : 10, page, r->req.cmd.xfer, page_control);
memset(outbuf, 0, r->req.cmd.xfer);
p = outbuf;
if (bdrv_is_read_only(s->bs)) {
@ -682,7 +712,7 @@ static int scsi_disk_emulate_mode_sense(SCSIRequest *req, uint8_t *outbuf)
dev_specific_param = 0x00;
}
if (req->cmd.buf[0] == MODE_SENSE) {
if (r->req.cmd.buf[0] == MODE_SENSE) {
p[1] = 0; /* Default media type. */
p[2] = dev_specific_param;
p[3] = 0; /* Block descriptor length. */
@ -696,7 +726,7 @@ static int scsi_disk_emulate_mode_sense(SCSIRequest *req, uint8_t *outbuf)
bdrv_get_geometry(s->bs, &nb_sectors);
if (!dbd && nb_sectors) {
if (req->cmd.buf[0] == MODE_SENSE) {
if (r->req.cmd.buf[0] == MODE_SENSE) {
outbuf[3] = 8; /* Block descriptor length */
} else { /* MODE_SENSE_10 */
outbuf[7] = 8; /* Block descriptor length */
@ -715,23 +745,21 @@ static int scsi_disk_emulate_mode_sense(SCSIRequest *req, uint8_t *outbuf)
p += 8;
}
if (page_control == 3) { /* Saved Values */
return -1; /* ILLEGAL_REQUEST */
if (page_control == 3) {
/* Saved Values */
scsi_check_condition(r, SENSE_CODE(SAVING_PARAMS_NOT_SUPPORTED));
return -1;
}
switch (page) {
case 0x04:
case 0x05:
case 0x08:
case 0x2a:
p += mode_sense_page(req, page, p, page_control);
break;
case 0x3f:
p += mode_sense_page(req, 0x08, p, page_control);
p += mode_sense_page(req, 0x2a, p, page_control);
break;
default:
return -1; /* ILLEGAL_REQUEST */
if (page == 0x3f) {
for (page = 0; page <= 0x3e; page++) {
mode_sense_page(s, page, &p, page_control);
}
} else {
ret = mode_sense_page(s, page, &p, page_control);
if (ret == -1) {
return -1;
}
}
buflen = p - outbuf;
@ -740,14 +768,14 @@ static int scsi_disk_emulate_mode_sense(SCSIRequest *req, uint8_t *outbuf)
* following data that is available to be transferred. The mode data
* length does not include itself.
*/
if (req->cmd.buf[0] == MODE_SENSE) {
if (r->req.cmd.buf[0] == MODE_SENSE) {
outbuf[0] = buflen - 1;
} else { /* MODE_SENSE_10 */
outbuf[0] = ((buflen - 2) >> 8) & 0xff;
outbuf[1] = (buflen - 2) & 0xff;
}
if (buflen > req->cmd.xfer)
buflen = req->cmd.xfer;
if (buflen > r->req.cmd.xfer)
buflen = r->req.cmd.xfer;
return buflen;
}
@ -792,7 +820,6 @@ static int scsi_disk_emulate_command(SCSIDiskReq *r, uint8_t *outbuf)
SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, req->dev);
uint64_t nb_sectors;
int buflen = 0;
int ret;
switch (req->cmd.buf[0]) {
case TEST_UNIT_READY:
@ -806,7 +833,7 @@ static int scsi_disk_emulate_command(SCSIDiskReq *r, uint8_t *outbuf)
break;
case MODE_SENSE:
case MODE_SENSE_10:
buflen = scsi_disk_emulate_mode_sense(req, outbuf);
buflen = scsi_disk_emulate_mode_sense(r, outbuf);
if (buflen < 0)
goto illegal_request;
break;
@ -864,20 +891,6 @@ static int scsi_disk_emulate_command(SCSIDiskReq *r, uint8_t *outbuf)
outbuf[7] = 0;
buflen = 8;
break;
case SYNCHRONIZE_CACHE:
{
BlockAcctCookie acct;
bdrv_acct_start(s->bs, &acct, 0, BDRV_ACCT_FLUSH);
ret = bdrv_flush(s->bs);
bdrv_acct_done(s->bs, &acct);
if (ret < 0) {
if (scsi_handle_rw_error(r, -ret, SCSI_REQ_STATUS_RETRY_FLUSH)) {
return -1;
}
}
break;
}
case GET_CONFIGURATION:
memset(outbuf, 0, 8);
/* ??? This should probably return much more information. For now
@ -885,9 +898,9 @@ static int scsi_disk_emulate_command(SCSIDiskReq *r, uint8_t *outbuf)
outbuf[7] = 8; // CD-ROM
buflen = 8;
break;
case SERVICE_ACTION_IN:
case SERVICE_ACTION_IN_16:
/* Service Action In subcommands. */
if ((req->cmd.buf[1] & 31) == 0x10) {
if ((req->cmd.buf[1] & 31) == SAI_READ_CAPACITY_16) {
DPRINTF("SAI READ CAPACITY(16)\n");
memset(outbuf, 0, req->cmd.xfer);
bdrv_get_geometry(s->bs, &nb_sectors);
@ -941,7 +954,9 @@ not_ready:
return -1;
illegal_request:
scsi_check_condition(r, SENSE_CODE(INVALID_FIELD));
if (r->req.status == -1) {
scsi_check_condition(r, SENSE_CODE(INVALID_FIELD));
}
return -1;
}
@ -985,10 +1000,9 @@ static int32_t scsi_send_command(SCSIRequest *req, uint8_t *buf)
case START_STOP:
case ALLOW_MEDIUM_REMOVAL:
case READ_CAPACITY_10:
case SYNCHRONIZE_CACHE:
case READ_TOC:
case GET_CONFIGURATION:
case SERVICE_ACTION_IN:
case SERVICE_ACTION_IN_16:
case VERIFY_10:
rc = scsi_disk_emulate_command(r, outbuf);
if (rc < 0) {
@ -997,6 +1011,13 @@ static int32_t scsi_send_command(SCSIRequest *req, uint8_t *buf)
r->iov.iov_len = rc;
break;
case SYNCHRONIZE_CACHE:
bdrv_acct_start(s->bs, &r->acct, 0, BDRV_ACCT_FLUSH);
r->req.aiocb = bdrv_aio_flush(s->bs, scsi_flush_complete, r);
if (r->req.aiocb == NULL) {
scsi_flush_complete(r, -EIO);
}
return 0;
case READ_6:
case READ_10:
case READ_12:

14
hw/sd.c
View File

@ -31,7 +31,6 @@
#include "hw.h"
#include "block.h"
#include "block_int.h"
#include "sd.h"
//#define DEBUG_SD 1
@ -420,14 +419,10 @@ static void sd_reset(SDState *sd, BlockDriverState *bdrv)
sd->pwd_len = 0;
}
static void sd_cardchange(void *opaque, int reason)
static void sd_cardchange(void *opaque)
{
SDState *sd = opaque;
if (!(reason & CHANGE_MEDIA)) {
return;
}
qemu_set_irq(sd->inserted_cb, bdrv_is_inserted(sd->bdrv));
if (bdrv_is_inserted(sd->bdrv)) {
sd_reset(sd, sd->bdrv);
@ -435,6 +430,10 @@ static void sd_cardchange(void *opaque, int reason)
}
}
static const BlockDevOps sd_block_ops = {
.change_media_cb = sd_cardchange,
};
/* We do not model the chip select pin, so allow the board to select
whether card should be in SSI or MMC/SD mode. It is also up to the
board to ensure that ssi transfers only occur when the chip select
@ -449,7 +448,8 @@ SDState *sd_init(BlockDriverState *bs, int is_spi)
sd->enable = 1;
sd_reset(sd, bs);
if (sd->bdrv) {
bdrv_set_change_cb(sd->bdrv, sd_cardchange, sd);
bdrv_attach_dev_nofail(sd->bdrv, sd);
bdrv_set_dev_ops(sd->bdrv, &sd_block_ops, sd);
}
return sd;
}

10
hw/spitz.c
View File

@ -708,17 +708,13 @@ static void spitz_ssp_attach(PXA2xxState *cpu)
static void spitz_microdrive_attach(PXA2xxState *cpu, int slot)
{
PCMCIACardState *md;
BlockDriverState *bs;
DriveInfo *dinfo;
dinfo = drive_get(IF_IDE, 0, 0);
if (!dinfo)
if (!dinfo || dinfo->media_cd)
return;
bs = dinfo->bdrv;
if (bdrv_is_inserted(bs) && !bdrv_is_removable(bs)) {
md = dscm1xxxx_init(dinfo);
pxa2xx_pcmcia_attach(cpu->pcmcia[slot], md);
}
md = dscm1xxxx_init(dinfo);
pxa2xx_pcmcia_attach(cpu->pcmcia[slot], md);
}
/* Wm8750 and Max7310 on I2C */

10
hw/tosa.c
View File

@ -51,17 +51,13 @@
static void tosa_microdrive_attach(PXA2xxState *cpu)
{
PCMCIACardState *md;
BlockDriverState *bs;
DriveInfo *dinfo;
dinfo = drive_get(IF_IDE, 0, 0);
if (!dinfo)
if (!dinfo || dinfo->media_cd)
return;
bs = dinfo->bdrv;
if (bdrv_is_inserted(bs) && !bdrv_is_removable(bs)) {
md = dscm1xxxx_init(dinfo);
pxa2xx_pcmcia_attach(cpu->pcmcia[0], md);
}
md = dscm1xxxx_init(dinfo);
pxa2xx_pcmcia_attach(cpu->pcmcia[0], md);
}
static void tosa_out_switch(void *opaque, int line, int level)

2
hw/usb-msd.c
View File

@ -518,7 +518,7 @@ static int usb_msd_initfn(USBDevice *dev)
*
* The hack is probably a bad idea.
*/
bdrv_detach(bs, &s->dev.qdev);
bdrv_detach_dev(bs, &s->dev.qdev);
s->conf.bs = NULL;
if (!s->serial) {

12
hw/virtio-blk.c
View File

@ -543,15 +543,17 @@ static int virtio_blk_load(QEMUFile *f, void *opaque, int version_id)
return 0;
}
static void virtio_blk_change_cb(void *opaque, int reason)
static void virtio_blk_resize(void *opaque)
{
VirtIOBlock *s = opaque;
if (reason & CHANGE_SIZE) {
virtio_notify_config(&s->vdev);
}
virtio_notify_config(&s->vdev);
}
static const BlockDevOps virtio_block_ops = {
.resize_cb = virtio_blk_resize,
};
VirtIODevice *virtio_blk_init(DeviceState *dev, BlockConf *conf,
char **serial)
{
@ -598,7 +600,7 @@ VirtIODevice *virtio_blk_init(DeviceState *dev, BlockConf *conf,
register_savevm(dev, "virtio-blk", virtio_blk_id++, 2,
virtio_blk_save, virtio_blk_load, s);
bdrv_set_removable(s->bs, 0);
bdrv_set_change_cb(s->bs, virtio_blk_change_cb, s);
bdrv_set_dev_ops(s->bs, &virtio_block_ops, s);
s->bs->buffer_alignment = conf->logical_block_size;
add_boot_device_path(conf->bootindex, dev, "/disk@0,0");

1
hw/xen_disk.c
View File

@ -697,6 +697,7 @@ static int blk_init(struct XenDevice *xendev)
xen_be_printf(&blkdev->xendev, 2, "get configured bdrv (cmdline setup)\n");
blkdev->bs = blkdev->dinfo->bdrv;
}
bdrv_attach_dev_nofail(blkdev->bs, blkdev);
blkdev->file_blk = BLOCK_SIZE;
blkdev->file_size = bdrv_getlength(blkdev->bs);
if (blkdev->file_size < 0) {

1
linux-aio.c
View File

@ -181,6 +181,7 @@ BlockDriverAIOCB *laio_submit(BlockDriverState *bs, void *aio_ctx, int fd,
case QEMU_AIO_READ:
io_prep_preadv(iocbs, fd, qiov->iov, qiov->niov, offset);
break;
/* Currently Linux kernel does not support other operations */
default:
fprintf(stderr, "%s: invalid AIO request type 0x%x.\n",
__func__, type);

4
savevm.c
View File

@ -1914,7 +1914,7 @@ void do_savevm(Monitor *mon, const QDict *qdict)
bs = NULL;
while ((bs = bdrv_next(bs))) {
if (bdrv_is_removable(bs) || bdrv_is_read_only(bs)) {
if (!bdrv_is_inserted(bs) || bdrv_is_read_only(bs)) {
continue;
}
@ -2034,7 +2034,7 @@ int load_vmstate(const char *name)
bs = NULL;
while ((bs = bdrv_next(bs))) {
if (bdrv_is_removable(bs) || bdrv_is_read_only(bs)) {
if (!bdrv_is_inserted(bs) || bdrv_is_read_only(bs)) {
continue;
}