[PATCH] sil24: add constants
Adds constants for ATAPI support to sata_sil24. This patch is
originally from Jeff Garzik <jgarzik@pobox.com>.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
diff --git a/drivers/scsi/sata_sil24.c b/drivers/scsi/sata_sil24.c
index 55e744d..cb1933a 100644
--- a/drivers/scsi/sata_sil24.c
+++ b/drivers/scsi/sata_sil24.c
@@ -139,6 +139,7 @@
PORT_CS_DEV_RST = (1 << 1), /* device reset */
PORT_CS_INIT = (1 << 2), /* port initialize */
PORT_CS_IRQ_WOC = (1 << 3), /* interrupt write one to clear */
+ PORT_CS_CDB16 = (1 << 5), /* 0=12b cdb, 1=16b cdb */
PORT_CS_RESUME = (1 << 6), /* port resume */
PORT_CS_32BIT_ACTV = (1 << 10), /* 32-bit activation */
PORT_CS_PM_EN = (1 << 13), /* port multiplier enable */
@@ -188,11 +189,29 @@
PORT_CERR_XFR_PCIPERR = 35, /* PSD ecode 11 - PCI prity err during transfer */
PORT_CERR_SENDSERVICE = 36, /* FIS received while sending service */
+ /* bits of PRB control field */
+ PRB_CTRL_PROTOCOL = (1 << 0), /* override def. ATA protocol */
+ PRB_CTRL_PACKET_READ = (1 << 4), /* PACKET cmd read */
+ PRB_CTRL_PACKET_WRITE = (1 << 5), /* PACKET cmd write */
+ PRB_CTRL_NIEN = (1 << 6), /* Mask completion irq */
+ PRB_CTRL_SRST = (1 << 7), /* Soft reset request (ign BSY?) */
+
+ /* PRB protocol field */
+ PRB_PROT_PACKET = (1 << 0),
+ PRB_PROT_TCQ = (1 << 1),
+ PRB_PROT_NCQ = (1 << 2),
+ PRB_PROT_READ = (1 << 3),
+ PRB_PROT_WRITE = (1 << 4),
+ PRB_PROT_TRANSPARENT = (1 << 5),
+
/*
* Other constants
*/
SGE_TRM = (1 << 31), /* Last SGE in chain */
- PRB_SOFT_RST = (1 << 7), /* Soft reset request (ign BSY?) */
+ SGE_LNK = (1 << 30), /* linked list
+ Points to SGT, not SGE */
+ SGE_DRD = (1 << 29), /* discard data read (/dev/null)
+ data address ignored */
/* board id */
BID_SIL3124 = 0,
