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| author | Christoph Hellwig <hch@lst.de> | 2011-05-19 10:58:19 +0200 |
|---|---|---|
| committer | Kevin Wolf <kwolf@redhat.com> | 2011-06-15 14:36:16 +0200 |
| commit | d353fb72f59cd0e1f67baf773e74719cda761a89 (patch) | |
| tree | 994311cabf1fd896af097c7165fa4176b991c09c /hw/ide/macio.c | |
| parent | 4e1e00515e2522bbae98a0653ea2692ec20851ac (diff) | |
| download | focaccia-qemu-d353fb72f59cd0e1f67baf773e74719cda761a89.tar.gz focaccia-qemu-d353fb72f59cd0e1f67baf773e74719cda761a89.zip | |
ide: add TRIM support
Add support for TRIM sub function of the data set management command, and wire it up to the qemu discard infrastructure. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'hw/ide/macio.c')
| -rw-r--r-- | hw/ide/macio.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/hw/ide/macio.c b/hw/ide/macio.c index 099b8cbfe9..7daeb31ec3 100644 --- a/hw/ide/macio.c +++ b/hw/ide/macio.c @@ -154,6 +154,10 @@ static void pmac_ide_transfer_cb(void *opaque, int ret) m->aiocb = dma_bdrv_write(s->bs, &s->sg, sector_num, pmac_ide_transfer_cb, io); break; + case IDE_DMA_TRIM: + m->aiocb = dma_bdrv_io(s->bs, &s->sg, sector_num, + ide_issue_trim, pmac_ide_transfer_cb, s, 1); + break; } if (!m->aiocb) |