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Diffstat (limited to 'include/linux/libata.h')
-rw-r--r--include/linux/libata.h10
1 files changed, 8 insertions, 2 deletions
diff --git a/include/linux/libata.h b/include/linux/libata.h
index a05f60013642..b064bfeb69ee 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -295,6 +295,7 @@ enum {
ATA_EH_SOFTRESET = (1 << 1),
ATA_EH_HARDRESET = (1 << 2),
ATA_EH_ENABLE_LINK = (1 << 3),
+ ATA_EH_LPM = (1 << 4), /* link power management action */
ATA_EH_RESET_MASK = ATA_EH_SOFTRESET | ATA_EH_HARDRESET,
ATA_EH_PERDEV_MASK = ATA_EH_REVALIDATE,
@@ -304,7 +305,6 @@ enum {
ATA_EHI_RESUME_LINK = (1 << 1), /* resume link (reset modifier) */
ATA_EHI_NO_AUTOPSY = (1 << 2), /* no autopsy */
ATA_EHI_QUIET = (1 << 3), /* be quiet */
- ATA_EHI_LPM = (1 << 4), /* link power management action */
ATA_EHI_DID_SOFTRESET = (1 << 16), /* already soft-reset this port */
ATA_EHI_DID_HARDRESET = (1 << 17), /* already soft-reset this port */
@@ -463,6 +463,7 @@ struct ata_queued_cmd {
unsigned int sect_size;
unsigned int nbytes;
+ unsigned int extrabytes;
unsigned int curbytes;
struct scatterlist *cursg;
@@ -1336,6 +1337,11 @@ static inline struct ata_queued_cmd *ata_qc_from_tag(struct ata_port *ap,
return NULL;
}
+static inline unsigned int ata_qc_raw_nbytes(struct ata_queued_cmd *qc)
+{
+ return qc->nbytes - min(qc->extrabytes, qc->nbytes);
+}
+
static inline void ata_tf_init(struct ata_device *dev, struct ata_taskfile *tf)
{
memset(tf, 0, sizeof(*tf));
@@ -1354,7 +1360,7 @@ static inline void ata_qc_reinit(struct ata_queued_cmd *qc)
qc->flags = 0;
qc->cursg = NULL;
qc->cursg_ofs = 0;
- qc->nbytes = qc->curbytes = 0;
+ qc->nbytes = qc->extrabytes = qc->curbytes = 0;
qc->n_elem = 0;
qc->err_mask = 0;
qc->sect_size = ATA_SECT_SIZE;