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Date:      Fri, 27 Mar 2015 08:44:58 +0000 (UTC)
From:      Alexander Motin <mav@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-10@freebsd.org
Subject:   svn commit: r280734 - stable/10/usr.sbin/bhyve
Message-ID:  <201503270844.t2R8iwUD020482@svn.freebsd.org>
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Author: mav
Date: Fri Mar 27 08:44:58 2015
New Revision: 280734
URL: https://svnweb.freebsd.org/changeset/base/280734

Log:
  MFC r279967: Change prdbc value reporting.

Modified:
  stable/10/usr.sbin/bhyve/pci_ahci.c
Directory Properties:
  stable/10/   (props changed)

Modified: stable/10/usr.sbin/bhyve/pci_ahci.c
==============================================================================
--- stable/10/usr.sbin/bhyve/pci_ahci.c	Fri Mar 27 08:43:45 2015	(r280733)
+++ stable/10/usr.sbin/bhyve/pci_ahci.c	Fri Mar 27 08:44:58 2015	(r280734)
@@ -1663,6 +1663,9 @@ ata_ioreq_cb(struct blockif_req *br, int
 	 */
 	STAILQ_INSERT_TAIL(&p->iofhd, aior, io_flist);
 
+	if (!err)
+		hdr->prdbc = aior->done;
+
 	if (dsm) {
 		if (aior->done != aior->len && !err) {
 			ahci_handle_dsm_trim(p, slot, cfis, aior->done);
@@ -1678,13 +1681,8 @@ ata_ioreq_cb(struct blockif_req *br, int
 
 	if (!err && aior->done == aior->len) {
 		tfd = ATA_S_READY | ATA_S_DSC;
-		if (ncq)
-			hdr->prdbc = 0;
-		else
-			hdr->prdbc = aior->len;
 	} else {
 		tfd = (ATA_E_ABORT << 8) | ATA_S_READY | ATA_S_ERROR;
-		hdr->prdbc = 0;
 		if (ncq)
 			p->serr |= (1 << slot);
 	}
@@ -1739,6 +1737,9 @@ atapi_ioreq_cb(struct blockif_req *br, i
 	 */
 	STAILQ_INSERT_TAIL(&p->iofhd, aior, io_flist);
 
+	if (!err)
+		hdr->prdbc = aior->done;
+
 	if (pending && !err) {
 		atapi_read(p, slot, cfis, aior->done, hdr->prdtl - pending);
 		goto out;
@@ -1746,12 +1747,10 @@ atapi_ioreq_cb(struct blockif_req *br, i
 
 	if (!err && aior->done == aior->len) {
 		tfd = ATA_S_READY | ATA_S_DSC;
-		hdr->prdbc = aior->len;
 	} else {
 		p->sense_key = ATA_SENSE_ILLEGAL_REQUEST;
 		p->asc = 0x21;
 		tfd = (p->sense_key << 12) | ATA_S_READY | ATA_S_ERROR;
-		hdr->prdbc = 0;
 	}
 
 	cfis[4] = (cfis[4] & ~7) | ATA_I_CMD | ATA_I_IN;

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