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Usually these controllers are able to automatically decode command code to

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get required command protocol. But they have no idea about new commands,
such as DATA SET MANAGEMENT (TRIM). As soon as this info any way provided
by CAM, give controller specific instructions.
This commit is contained in:
Alexander Motin 2009-12-29 21:49:11 +00:00
parent f709df34c3
commit 723bd8c6b5
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=201222
2 changed files with 27 additions and 5 deletions
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26
sys/dev/siis/siis.c
View File

@ -1000,13 +1000,29 @@ siis_execute_transaction(struct siis_slot *slot)
ctp->protocol_override = 0;
ctp->transfer_count = 0;
/* Special handling for Soft Reset command. */
if ((ccb->ccb_h.func_code == XPT_ATA_IO) &&
(ccb->ataio.cmd.flags & CAM_ATAIO_CONTROL)) {
ctp->control |= htole16(SIIS_PRB_SOFT_RESET);
if (ccb->ccb_h.func_code == XPT_ATA_IO) {
if (ccb->ataio.cmd.flags & CAM_ATAIO_CONTROL) {
ctp->control |= htole16(SIIS_PRB_SOFT_RESET);
} else {
ctp->control |= htole16(SIIS_PRB_PROTOCOL_OVERRIDE);
if (ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA) {
ctp->protocol_override |=
htole16(SIIS_PRB_PROTO_NCQ);
}
if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
ctp->protocol_override |=
htole16(SIIS_PRB_PROTO_READ);
} else
if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT) {
ctp->protocol_override |=
htole16(SIIS_PRB_PROTO_WRITE);
}
}
} else if (ccb->ccb_h.func_code == XPT_SCSI_IO) {
if (ccb->ccb_h.flags & CAM_DIR_IN)
if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN)
ctp->control |= htole16(SIIS_PRB_PACKET_READ);
if (ccb->ccb_h.flags & CAM_DIR_OUT)
else
if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT)
ctp->control |= htole16(SIIS_PRB_PACKET_WRITE);
}
/* Setup the FIS for this request */

6
sys/dev/siis/siis.h
View File

@ -304,6 +304,12 @@ struct siis_cmd {
#define SIIS_PRB_INTERRUPT_MASK 0x0040
#define SIIS_PRB_SOFT_RESET 0x0080
u_int16_t protocol_override;
#define SIIS_PRB_PROTO_PACKET 0x0001
#define SIIS_PRB_PROTO_TCQ 0x0002
#define SIIS_PRB_PROTO_NCQ 0x0004
#define SIIS_PRB_PROTO_READ 0x0008
#define SIIS_PRB_PROTO_WRITE 0x0010
#define SIIS_PRB_PROTO_TRANSPARENT 0x0020
u_int32_t transfer_count;
u_int8_t fis[24];
union {