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| author | Marc Carino <marc.ceeeee@gmail.com> | 2013-08-24 23:22:50 -0700 |
|---|---|---|
| committer | Tejun Heo <tj@kernel.org> | 2013-08-25 09:39:12 -0400 |
| commit | ed36911c747c18525691c0aa0fbe6b918c8eac19 (patch) | |
| tree | fd8c376b691932deed756040bca9fbeda9054bef /drivers | |
| parent | 40fb59e75ad197a1c4ca2fbccef85432d8d103f8 (diff) | |
| download | linux-stable-ed36911c747c18525691c0aa0fbe6b918c8eac19.tar.gz linux-stable-ed36911c747c18525691c0aa0fbe6b918c8eac19.tar.bz2 linux-stable-ed36911c747c18525691c0aa0fbe6b918c8eac19.zip | |
libata: Add support for SEND/RECEIVE FPDMA QUEUED
Add support for the following ATA opcodes, which are present
in SATA 3.1 and T13 ATA ACS-3:
SEND FPDMA QUEUED
RECEIVE FPDMA QUEUED
Signed-off-by: Marc Carino <marc.ceeeee@gmail.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/ata/libata-core.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index 2b4e92568850..a044be99841a 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -2141,6 +2141,22 @@ static int ata_dev_config_ncq(struct ata_device *dev, else snprintf(desc, desc_sz, "NCQ (depth %d/%d)%s", hdepth, ddepth, aa_desc); + + if ((ap->flags & ATA_FLAG_FPDMA_AUX) && + ata_id_has_ncq_send_and_recv(dev->id)) { + err_mask = ata_read_log_page(dev, ATA_LOG_NCQ_SEND_RECV, + 0, ap->sector_buf, 1); + if (err_mask) { + ata_dev_dbg(dev, + "failed to get NCQ Send/Recv Log Emask 0x%x\n", + err_mask); + } else { + dev->flags |= ATA_DFLAG_NCQ_SEND_RECV; + memcpy(dev->ncq_send_recv_cmds, ap->sector_buf, + ATA_LOG_NCQ_SEND_RECV_SIZE); + } + } + return 0; } |