Module Name: src
Committed By: gson
Date: Thu Aug 15 09:00:23 UTC 2019
Modified Files:
src/sys/dev/ata: satafis_subr.c
Log Message:
Set the ATAPI "BYTE COUNT LIMIT" field in the SATA case like we
already do in the ATA case, to make NetBSD work with the virtual
SATA CD-ROM of "qemu-system-i386 -machine q35". Fixes PR kern/54389.
OK mlelstv.
To generate a diff of this commit:
cvs rdiff -u -r1.8 -r1.9 src/sys/dev/ata/satafis_subr.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/dev/ata/satafis_subr.c
diff -u src/sys/dev/ata/satafis_subr.c:1.8 src/sys/dev/ata/satafis_subr.c:1.9
--- src/sys/dev/ata/satafis_subr.c:1.8 Sat Oct 7 16:05:32 2017
+++ src/sys/dev/ata/satafis_subr.c Thu Aug 15 09:00:23 2019
@@ -1,4 +1,4 @@
-/* $NetBSD: satafis_subr.c,v 1.8 2017/10/07 16:05:32 jdolecek Exp $ */
+/* $NetBSD: satafis_subr.c,v 1.9 2019/08/15 09:00:23 gson Exp $ */
/*-
* Copyright (c) 2009 Jonathan A. Kollasch.
@@ -51,7 +51,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: satafis_subr.c,v 1.8 2017/10/07 16:05:32 jdolecek Exp $");
+__KERNEL_RCSID(0, "$NetBSD: satafis_subr.c,v 1.9 2019/08/15 09:00:23 gson Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@@ -149,12 +149,16 @@ satafis_rhd_construct_bio(struct ata_xfe
void
satafis_rhd_construct_atapi(struct ata_xfer *xfer, uint8_t *fis)
{
+ int bcount16;
memset(fis, 0, RHD_FISLEN);
fis[fis_type] = RHD_FISTYPE;
fis[rhd_c] = RHD_C;
fis[rhd_command] = ATAPI_PKT_CMD;
+ bcount16 = xfer->c_bcount <= 0xffff ? xfer->c_bcount : 0xffff;
+ fis[rhd_lba1] = (bcount16 >> 0) & 0xff;
+ fis[rhd_lba2] = (bcount16 >> 8) & 0xff;
fis[rhd_features0] = (xfer->c_flags & C_DMA) ?
ATAPI_PKT_CMD_FTRE_DMA : 0;
}
