OpenE2K
/
qemu-e2k
13
4
Fork 0
Code Issues 4 Pull Requests Projects 2 Releases Activity

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

This commit is contained in:
Anthony Liguori 2011-09-08 09:05:14 -05:00
parent d8ac46d950 cfc606da0d
commit 220724ca4a
27 changed files with 653 additions and 385 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

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;
}