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atapi: Account for failed and invalid operations

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Signed-off-by: Alberto Garcia <berto@igalia.com>
Message-id: 59dee4e2921b0c79d41c49b67dfb93d32db9f7f9.1446044838.git.berto@igalia.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Alberto Garcia 2015-10-28 17:33:14 +02:00 committed by Kevin Wolf
parent 57ee366ce9
commit ece2d05ed4
1 changed files with 19 additions and 12 deletions
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27
hw/ide/atapi.c
View File

@ -108,27 +108,30 @@ static void cd_data_to_raw(uint8_t *buf, int lba)
static int cd_read_sector(IDEState *s, int lba, uint8_t *buf, int sector_size)
{
int ret;
block_acct_start(blk_get_stats(s->blk), &s->acct,
4 * BDRV_SECTOR_SIZE, BLOCK_ACCT_READ);
switch(sector_size) {
case 2048:
block_acct_start(blk_get_stats(s->blk), &s->acct,
4 * BDRV_SECTOR_SIZE, BLOCK_ACCT_READ);
ret = blk_read(s->blk, (int64_t)lba << 2, buf, 4);
block_acct_done(blk_get_stats(s->blk), &s->acct);
break;
case 2352:
block_acct_start(blk_get_stats(s->blk), &s->acct,
4 * BDRV_SECTOR_SIZE, BLOCK_ACCT_READ);
ret = blk_read(s->blk, (int64_t)lba << 2, buf + 16, 4);
block_acct_done(blk_get_stats(s->blk), &s->acct);
if (ret < 0)
return ret;
if (ret >= 0) {
cd_data_to_raw(buf, lba);
}
break;
default:
ret = -EIO;
break;
block_acct_invalid(blk_get_stats(s->blk), BLOCK_ACCT_READ);
return -EIO;
}
if (ret < 0) {
block_acct_failed(blk_get_stats(s->blk), &s->acct);
} else {
block_acct_done(blk_get_stats(s->blk), &s->acct);
}
return ret;
}
@ -357,7 +360,11 @@ static void ide_atapi_cmd_read_dma_cb(void *opaque, int ret)
return;
eot:
if (ret < 0) {
block_acct_failed(blk_get_stats(s->blk), &s->acct);
} else {
block_acct_done(blk_get_stats(s->blk), &s->acct);
}
ide_set_inactive(s, false);
}