Author: mav
Date: Thu Oct 22 03:30:39 2020
New Revision: 366922
URL: https://svnweb.freebsd.org/changeset/base/366922
Log:
Pass lower 3 bits of sector_count for FPDMA commands.
When this code was written those bits were N/A, but now the lowest bit
is Rebuild Assist Recovery Control (RARC).
MFC after: 1 month
Modified:
head/sys/dev/ahci/ahci.c
head/sys/dev/mvs/mvs.c
head/sys/dev/siis/siis.c
Modified: head/sys/dev/ahci/ahci.c
==============================================================================
--- head/sys/dev/ahci/ahci.c Thu Oct 22 01:05:34 2020 (r366921)
+++ head/sys/dev/ahci/ahci.c Thu Oct 22 03:30:39 2020 (r366922)
@@ -2578,10 +2578,10 @@ ahci_setup_fis(struct ahci_channel *ch, struct ahci_cm
fis[9] = ccb->ataio.cmd.lba_mid_exp;
fis[10] = ccb->ataio.cmd.lba_high_exp;
fis[11] = ccb->ataio.cmd.features_exp;
+ fis[12] = ccb->ataio.cmd.sector_count;
if (ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA) {
- fis[12] = tag << 3;
- } else {
- fis[12] = ccb->ataio.cmd.sector_count;
+ fis[12] &= 0xf8;
+ fis[12] |= tag << 3;
}
fis[13] = ccb->ataio.cmd.sector_count_exp;
fis[15] = ATA_A_4BIT;
Modified: head/sys/dev/mvs/mvs.c
==============================================================================
--- head/sys/dev/mvs/mvs.c Thu Oct 22 01:05:34 2020 (r366921)
+++ head/sys/dev/mvs/mvs.c Thu Oct 22 03:30:39 2020 (r366922)
@@ -1493,7 +1493,8 @@ mvs_execute_transaction(struct mvs_slot *slot)
crqb->cmd[i++] = ccb->ataio.cmd.features;
crqb->cmd[i++] = 0x11;
if (ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA) {
- crqb->cmd[i++] = slot->tag << 3;
+ crqb->cmd[i++] = (slot->tag << 3) |
+ (ccb->ataio.cmd.sector_count & 0x07);
crqb->cmd[i++] = 0x12;
} else {
crqb->cmd[i++] = ccb->ataio.cmd.sector_count_exp;
Modified: head/sys/dev/siis/siis.c
==============================================================================
--- head/sys/dev/siis/siis.c Thu Oct 22 01:05:34 2020 (r366921)
+++ head/sys/dev/siis/siis.c Thu Oct 22 03:30:39 2020 (r366922)
@@ -1723,13 +1723,12 @@ siis_setup_fis(device_t dev, struct siis_cmd *ctp, uni
fis[9] = ccb->ataio.cmd.lba_mid_exp;
fis[10] = ccb->ataio.cmd.lba_high_exp;
fis[11] = ccb->ataio.cmd.features_exp;
+ fis[12] = ccb->ataio.cmd.sector_count;
if (ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA) {
- fis[12] = tag << 3;
- fis[13] = 0;
- } else {
- fis[12] = ccb->ataio.cmd.sector_count;
- fis[13] = ccb->ataio.cmd.sector_count_exp;
+ fis[12] &= 0xf8;
+ fis[12] |= tag << 3;
}
+ fis[13] = ccb->ataio.cmd.sector_count_exp;
fis[15] = ATA_A_4BIT;
if (ccb->ataio.ata_flags & ATA_FLAG_AUX) {
fis[16] = ccb->ataio.aux & 0xff;
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