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authorEric Blake <eblake@redhat.com>2016-05-06 10:26:38 -0600
committerKevin Wolf <kwolf@redhat.com>2016-05-12 15:22:09 +0200
commit098e732dbeb9d1f191da6fd6d0ddb66909690302 (patch)
tree3025cec4ad292ecb6be075a934badc7499d37da9 /hw
parent441692ddd8321d5e0f09b163e86410e578d87236 (diff)
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pflash: Switch to byte-based block access
Sector-based blk_write() should die; switch to byte-based blk_pwrite() instead. Likewise for blk_read(). Signed-off-by: Eric Blake <eblake@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'hw')
-rw-r--r--hw/block/pflash_cfi01.c12
-rw-r--r--hw/block/pflash_cfi02.c12
2 files changed, 12 insertions, 12 deletions
diff --git a/hw/block/pflash_cfi01.c b/hw/block/pflash_cfi01.c
index 106a775..3a1f85d 100644
--- a/hw/block/pflash_cfi01.c
+++ b/hw/block/pflash_cfi01.c
@@ -413,11 +413,11 @@ static void pflash_update(pflash_t *pfl, int offset,
int offset_end;
if (pfl->blk) {
offset_end = offset + size;
- /* round to sectors */
- offset = offset >> 9;
- offset_end = (offset_end + 511) >> 9;
- blk_write(pfl->blk, offset, pfl->storage + (offset << 9),
- offset_end - offset);
+ /* widen to sector boundaries */
+ offset = QEMU_ALIGN_DOWN(offset, BDRV_SECTOR_SIZE);
+ offset_end = QEMU_ALIGN_UP(offset_end, BDRV_SECTOR_SIZE);
+ blk_pwrite(pfl->blk, offset, pfl->storage + offset,
+ offset_end - offset, 0);
}
}
@@ -739,7 +739,7 @@ static void pflash_cfi01_realize(DeviceState *dev, Error **errp)
if (pfl->blk) {
/* read the initial flash content */
- ret = blk_read(pfl->blk, 0, pfl->storage, total_len >> 9);
+ ret = blk_pread(pfl->blk, 0, pfl->storage, total_len);
if (ret < 0) {
vmstate_unregister_ram(&pfl->mem, DEVICE(pfl));
diff --git a/hw/block/pflash_cfi02.c b/hw/block/pflash_cfi02.c
index b13172c..5f10610 100644
--- a/hw/block/pflash_cfi02.c
+++ b/hw/block/pflash_cfi02.c
@@ -253,11 +253,11 @@ static void pflash_update(pflash_t *pfl, int offset,
int offset_end;
if (pfl->blk) {
offset_end = offset + size;
- /* round to sectors */
- offset = offset >> 9;
- offset_end = (offset_end + 511) >> 9;
- blk_write(pfl->blk, offset, pfl->storage + (offset << 9),
- offset_end - offset);
+ /* widen to sector boundaries */
+ offset = QEMU_ALIGN_DOWN(offset, BDRV_SECTOR_SIZE);
+ offset_end = QEMU_ALIGN_UP(offset_end, BDRV_SECTOR_SIZE);
+ blk_pwrite(pfl->blk, offset, pfl->storage + offset,
+ offset_end - offset, 0);
}
}
@@ -622,7 +622,7 @@ static void pflash_cfi02_realize(DeviceState *dev, Error **errp)
pfl->chip_len = chip_len;
if (pfl->blk) {
/* read the initial flash content */
- ret = blk_read(pfl->blk, 0, pfl->storage, chip_len >> 9);
+ ret = blk_pread(pfl->blk, 0, pfl->storage, chip_len);
if (ret < 0) {
vmstate_unregister_ram(&pfl->orig_mem, DEVICE(pfl));
error_setg(errp, "failed to read the initial flash content");