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authorTejun Heo <htejun@gmail.com>2007-09-23 13:19:54 +0900
committerJeff Garzik <jeff@garzik.org>2007-10-12 14:55:44 -0400
commit31f88384443b3e0d7e2c9d36a96647b7e82edad3 (patch)
tree7bd6321d668f86adbf266513b83a75ae8d568772 /include
parentd0df8b5d0fb547a3351c2a4b1ded7f7cde5d713a (diff)
libata-pmp: implement qc_defer for command switching PMP support
Implement sata_pmp_qc_defer_cmd_switch() - standard qc_defer for command switching PMP support. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
Diffstat (limited to 'include')
-rw-r--r--include/linux/libata.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/libata.h b/include/linux/libata.h
index 3cfdb5f6762..ca296a575c4 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -947,6 +947,7 @@ extern unsigned long ata_pci_default_filter(struct ata_device *, unsigned long);
/*
* PMP
*/
+extern int sata_pmp_qc_defer_cmd_switch(struct ata_queued_cmd *qc);
extern void sata_pmp_read_init_tf(struct ata_taskfile *tf,
struct ata_device *dev, int pmp, int reg);
extern u32 sata_pmp_read_val(const struct ata_taskfile *tf);