diff options
| -rw-r--r-- | block/raw-posix.c | 16 | ||||
| -rw-r--r-- | block/rbd.c | 4 | ||||
| -rw-r--r-- | block/vdi.c | 9 | ||||
| -rw-r--r-- | hw/ide/core.c | 13 |
4 files changed, 34 insertions, 8 deletions
diff --git a/block/raw-posix.c b/block/raw-posix.c index f2f0404f6f..550c81f22b 100644 --- a/block/raw-posix.c +++ b/block/raw-posix.c @@ -333,6 +333,10 @@ static int raw_reopen_prepare(BDRVReopenState *state, } #endif + if (s->type == FTYPE_FD || s->type == FTYPE_CD) { + raw_s->open_flags |= O_NONBLOCK; + } + raw_parse_flags(state->flags, &raw_s->open_flags); raw_s->fd = -1; @@ -1409,6 +1413,9 @@ static BlockDriver bdrv_host_device = { .bdrv_probe_device = hdev_probe_device, .bdrv_file_open = hdev_open, .bdrv_close = raw_close, + .bdrv_reopen_prepare = raw_reopen_prepare, + .bdrv_reopen_commit = raw_reopen_commit, + .bdrv_reopen_abort = raw_reopen_abort, .bdrv_create = hdev_create, .create_options = raw_create_options, .bdrv_has_zero_init = hdev_has_zero_init, @@ -1530,6 +1537,9 @@ static BlockDriver bdrv_host_floppy = { .bdrv_probe_device = floppy_probe_device, .bdrv_file_open = floppy_open, .bdrv_close = raw_close, + .bdrv_reopen_prepare = raw_reopen_prepare, + .bdrv_reopen_commit = raw_reopen_commit, + .bdrv_reopen_abort = raw_reopen_abort, .bdrv_create = hdev_create, .create_options = raw_create_options, .bdrv_has_zero_init = hdev_has_zero_init, @@ -1629,6 +1639,9 @@ static BlockDriver bdrv_host_cdrom = { .bdrv_probe_device = cdrom_probe_device, .bdrv_file_open = cdrom_open, .bdrv_close = raw_close, + .bdrv_reopen_prepare = raw_reopen_prepare, + .bdrv_reopen_commit = raw_reopen_commit, + .bdrv_reopen_abort = raw_reopen_abort, .bdrv_create = hdev_create, .create_options = raw_create_options, .bdrv_has_zero_init = hdev_has_zero_init, @@ -1748,6 +1761,9 @@ static BlockDriver bdrv_host_cdrom = { .bdrv_probe_device = cdrom_probe_device, .bdrv_file_open = cdrom_open, .bdrv_close = raw_close, + .bdrv_reopen_prepare = raw_reopen_prepare, + .bdrv_reopen_commit = raw_reopen_commit, + .bdrv_reopen_abort = raw_reopen_abort, .bdrv_create = hdev_create, .create_options = raw_create_options, .bdrv_has_zero_init = hdev_has_zero_init, diff --git a/block/rbd.c b/block/rbd.c index 0aaacaf859..f3becc7a8b 100644 --- a/block/rbd.c +++ b/block/rbd.c @@ -69,7 +69,7 @@ typedef enum { typedef struct RBDAIOCB { BlockDriverAIOCB common; QEMUBH *bh; - int ret; + int64_t ret; QEMUIOVector *qiov; char *bounce; RBDAIOCmd cmd; @@ -86,7 +86,7 @@ typedef struct RADOSCB { int done; int64_t size; char *buf; - int ret; + int64_t ret; } RADOSCB; #define RBD_FD_READ 0 diff --git a/block/vdi.c b/block/vdi.c index f35b12ec98..c8330b7eae 100644 --- a/block/vdi.c +++ b/block/vdi.c @@ -60,9 +60,6 @@ /* TODO: move uuid emulation to some central place in QEMU. */ #include "sysemu.h" /* UUID_FMT */ typedef unsigned char uuid_t[16]; -void uuid_generate(uuid_t out); -int uuid_is_null(const uuid_t uu); -void uuid_unparse(const uuid_t uu, char *out); #endif /* Code configuration options. */ @@ -124,18 +121,18 @@ void uuid_unparse(const uuid_t uu, char *out); #define VDI_IS_ALLOCATED(X) ((X) < VDI_DISCARDED) #if !defined(CONFIG_UUID) -void uuid_generate(uuid_t out) +static inline void uuid_generate(uuid_t out) { memset(out, 0, sizeof(uuid_t)); } -int uuid_is_null(const uuid_t uu) +static inline int uuid_is_null(const uuid_t uu) { uuid_t null_uuid = { 0 }; return memcmp(uu, null_uuid, sizeof(uuid_t)) == 0; } -void uuid_unparse(const uuid_t uu, char *out) +static inline void uuid_unparse(const uuid_t uu, char *out) { snprintf(out, 37, UUID_FMT, uu[0], uu[1], uu[2], uu[3], uu[4], uu[5], uu[6], uu[7], diff --git a/hw/ide/core.c b/hw/ide/core.c index 7d6b0fa7b4..8da894f240 100644 --- a/hw/ide/core.c +++ b/hw/ide/core.c @@ -579,6 +579,7 @@ void ide_dma_cb(void *opaque, int ret) IDEState *s = opaque; int n; int64_t sector_num; + bool stay_active = false; if (ret < 0) { int op = BM_STATUS_DMA_RETRY; @@ -594,6 +595,14 @@ void ide_dma_cb(void *opaque, int ret) } n = s->io_buffer_size >> 9; + if (n > s->nsector) { + /* The PRDs were longer than needed for this request. Shorten them so + * we don't get a negative remainder. The Active bit must remain set + * after the request completes. */ + n = s->nsector; + stay_active = true; + } + sector_num = ide_get_sector(s); if (n > 0) { dma_buf_commit(s); @@ -616,6 +625,7 @@ void ide_dma_cb(void *opaque, int ret) if (s->bus->dma->ops->prepare_buf(s->bus->dma, ide_cmd_is_read(s)) == 0) { /* The PRDs were too short. Reset the Active bit, but don't raise an * interrupt. */ + s->status = READY_STAT | SEEK_STAT; goto eot; } @@ -646,6 +656,9 @@ eot: bdrv_acct_done(s->bs, &s->acct); } ide_set_inactive(s); + if (stay_active) { + s->bus->dma->ops->add_status(s->bus->dma, BM_STATUS_DMAING); + } } static void ide_sector_start_dma(IDEState *s, enum ide_dma_cmd dma_cmd) |