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Block patches for 2.3

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Merge remote-tracking branch 'remotes/kevin/tags/for-upstream' into staging

Block patches for 2.3

# gpg: Signature made Tue Mar 10 13:03:17 2015 GMT using RSA key ID C88F2FD6
# gpg: Good signature from "Kevin Wolf <kwolf@redhat.com>"

* remotes/kevin/tags/for-upstream: (73 commits)
  MAINTAINERS: Add jcody as blockjobs, block devices maintainer
  iotests: add O_DIRECT alignment probing test
  block/raw-posix: fix launching with failed disks
  MAINTAINERS: Add jsnow as IDE maintainer
  sheepdog: Fix misleading error messages in sd_snapshot_create()
  Add testcase for scsi-hd devices without drive property
  scsi-hd: fix property unset case
  block/vdi: Add locking for parallel requests
  iotests: Drop vpc from 004's and 104's format list
  iotests: Remove 006
  iotests: Fix 051's reference output
  virtio-blk: Remove the stale FIXME comment
  tests: Check QVIRTIO_F_ANY_LAYOUT flag in virtio-blk test
  libqos: Solve bug in interrupt checking when using MSIX in virtio-pci.c
  sheepdog: fix confused return values
  qtest/ahci: add fragmented dma test
  qtest/ahci: Add PIO and LBA48 tests
  qtest/ahci: Add DMA test variants
  libqos/ahci: add ahci command helpers
  qtest/ahci: Add a macro bootup routine
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell 2015-03-10 14:01:22 +00:00
commit 1976058109
85 changed files with 2693 additions and 840 deletions
Download patch file Download diff file Expand all files Collapse all files

109
hw/ide/pci.c
View file

@ -42,13 +42,10 @@ static void bmdma_start_dma(IDEDMA *dma, IDEState *s,
{
BMDMAState *bm = DO_UPCAST(BMDMAState, dma, dma);
bm->unit = s->unit;
bm->dma_cb = dma_cb;
bm->cur_prd_last = 0;
bm->cur_prd_addr = 0;
bm->cur_prd_len = 0;
bm->sector_num = ide_get_sector(s);
bm->nsector = s->nsector;
if (bm->status & BM_STATUS_DMAING) {
bm->dma_cb(bmdma_active_if(bm), 0);
@ -163,20 +160,11 @@ static int bmdma_rw_buf(IDEDMA *dma, int is_write)
return 1;
}
static int bmdma_set_unit(IDEDMA *dma, int unit)
{
BMDMAState *bm = DO_UPCAST(BMDMAState, dma, dma);
bm->unit = unit;
return 0;
}
static void bmdma_set_inactive(IDEDMA *dma, bool more)
{
BMDMAState *bm = DO_UPCAST(BMDMAState, dma, dma);
bm->dma_cb = NULL;
bm->unit = -1;
if (more) {
bm->status |= BM_STATUS_DMAING;
} else {
@ -184,83 +172,11 @@ static void bmdma_set_inactive(IDEDMA *dma, bool more)
}
}
static void bmdma_restart_dma(BMDMAState *bm, enum ide_dma_cmd dma_cmd)
static void bmdma_restart_dma(IDEDMA *dma)
{
IDEState *s = bmdma_active_if(bm);
ide_set_sector(s, bm->sector_num);
s->io_buffer_index = 0;
s->io_buffer_size = 0;
s->nsector = bm->nsector;
s->dma_cmd = dma_cmd;
bm->cur_addr = bm->addr;
bm->dma_cb = ide_dma_cb;
bmdma_start_dma(&bm->dma, s, bm->dma_cb);
}
/* TODO This should be common IDE code */
static void bmdma_restart_bh(void *opaque)
{
BMDMAState *bm = opaque;
IDEBus *bus = bm->bus;
bool is_read;
int error_status;
qemu_bh_delete(bm->bh);
bm->bh = NULL;
if (bm->unit == (uint8_t) -1) {
return;
}
is_read = (bus->error_status & IDE_RETRY_READ) != 0;
/* The error status must be cleared before resubmitting the request: The
* request may fail again, and this case can only be distinguished if the
* called function can set a new error status. */
error_status = bus->error_status;
bus->error_status = 0;
if (error_status & IDE_RETRY_DMA) {
if (error_status & IDE_RETRY_TRIM) {
bmdma_restart_dma(bm, IDE_DMA_TRIM);
} else {
bmdma_restart_dma(bm, is_read ? IDE_DMA_READ : IDE_DMA_WRITE);
}
} else if (error_status & IDE_RETRY_PIO) {
if (is_read) {
ide_sector_read(bmdma_active_if(bm));
} else {
ide_sector_write(bmdma_active_if(bm));
}
} else if (error_status & IDE_RETRY_FLUSH) {
ide_flush_cache(bmdma_active_if(bm));
} else {
IDEState *s = bmdma_active_if(bm);
/*
* We've not got any bits to tell us about ATAPI - but
* we do have the end_transfer_func that tells us what
* we're trying to do.
*/
if (s->end_transfer_func == ide_atapi_cmd) {
ide_atapi_dma_restart(s);
}
}
}
static void bmdma_restart_cb(void *opaque, int running, RunState state)
{
IDEDMA *dma = opaque;
BMDMAState *bm = DO_UPCAST(BMDMAState, dma, dma);
if (!running)
return;
if (!bm->bh) {
bm->bh = qemu_bh_new(bmdma_restart_bh, &bm->dma);
qemu_bh_schedule(bm->bh);
}
bm->cur_addr = bm->addr;
}
static void bmdma_cancel(BMDMAState *bm)
@ -286,8 +202,6 @@ static void bmdma_reset(IDEDMA *dma)
bm->cur_prd_last = 0;
bm->cur_prd_addr = 0;
bm->cur_prd_len = 0;
bm->sector_num = 0;
bm->nsector = 0;
}
static void bmdma_irq(void *opaque, int n, int level)
@ -404,6 +318,9 @@ static void ide_bmdma_pre_save(void *opaque)
BMDMAState *bm = opaque;
uint8_t abused_bits = BM_MIGRATION_COMPAT_STATUS_BITS;
bm->migration_retry_unit = bm->bus->retry_unit;
bm->migration_retry_sector_num = bm->bus->retry_sector_num;
bm->migration_retry_nsector = bm->bus->retry_nsector;
bm->migration_compat_status =
(bm->status & ~abused_bits) | (bm->bus->error_status & abused_bits);
}
@ -420,6 +337,11 @@ static int ide_bmdma_post_load(void *opaque, int version_id)
bm->status = bm->migration_compat_status & ~abused_bits;
bm->bus->error_status |= bm->migration_compat_status & abused_bits;
}
if (bm->bus->error_status) {
bm->bus->retry_sector_num = bm->migration_retry_sector_num;
bm->bus->retry_nsector = bm->migration_retry_nsector;
bm->bus->retry_unit = bm->migration_retry_unit;
}
return 0;
}
@ -456,9 +378,9 @@ static const VMStateDescription vmstate_bmdma = {
VMSTATE_UINT8(cmd, BMDMAState),
VMSTATE_UINT8(migration_compat_status, BMDMAState),
VMSTATE_UINT32(addr, BMDMAState),
VMSTATE_INT64(sector_num, BMDMAState),
VMSTATE_UINT32(nsector, BMDMAState),
VMSTATE_UINT8(unit, BMDMAState),
VMSTATE_INT64(migration_retry_sector_num, BMDMAState),
VMSTATE_UINT32(migration_retry_nsector, BMDMAState),
VMSTATE_UINT8(migration_retry_unit, BMDMAState),
VMSTATE_END_OF_LIST()
},
.subsections = (VMStateSubsection []) {
@ -482,7 +404,7 @@ static int ide_pci_post_load(void *opaque, int version_id)
for(i = 0; i < 2; i++) {
/* current versions always store 0/1, but older version
stored bigger values. We only need last bit */
d->bmdma[i].unit &= 1;
d->bmdma[i].migration_retry_unit &= 1;
ide_bmdma_post_load(&d->bmdma[i], -1);
}
@ -523,9 +445,8 @@ static const struct IDEDMAOps bmdma_ops = {
.start_dma = bmdma_start_dma,
.prepare_buf = bmdma_prepare_buf,
.rw_buf = bmdma_rw_buf,
.set_unit = bmdma_set_unit,
.restart_dma = bmdma_restart_dma,
.set_inactive = bmdma_set_inactive,
.restart_cb = bmdma_restart_cb,
.reset = bmdma_reset,
};