Xen devel - Apr 2008 - [PATCH] ioemu: advertise write cache enabled only when it is

ioemu: advertise write cache enabled only when it is

Signed-off-by: Samuel Thibault <samuel.thibault@eu.citrix.com>

diff -r 59d2638a7243 tools/ioemu/hw/ide.c
--- a/tools/ioemu/hw/ide.c	Tue Apr 01 18:06:20 2008 +0100
+++ b/tools/ioemu/hw/ide.c	Wed Apr 02 11:09:21 2008 +0100
@@ -660,7 +660,7 @@ static void ide_identify(IDEState *s)
     put_le16(p + 83, (1 << 14) | (1 << 13) | (1 <<12) | (1
<< 10));
     put_le16(p + 84, (1 << 14));
     /* 14=nop 5=write_cache */
-    put_le16(p + 85, (1 << 14) | (1 << 5));
+    put_le16(p + 85, (1 << 14) | (s->write_cache << 5));
     /* 13=flush_cache_ext,12=flush_cache,10=lba48 */
     put_le16(p + 86, (1 << 14) | (1 << 13) | (1 <<12) | (1
<< 10));
     put_le16(p + 87, (1 << 14));

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ioemu: advertise write cache feature

Signed-off-by: Samuel Thibault <samuel.thibault@eu.citrix.com>

diff -r 633099ff88a8 tools/ioemu/hw/ide.c
--- a/tools/ioemu/hw/ide.c	Fri Apr 04 14:49:37 2008 +0100
+++ b/tools/ioemu/hw/ide.c	Fri Apr 04 15:30:42 2008 +0100
@@ -655,7 +655,8 @@ static void ide_identify(IDEState *s)
     put_le16(p + 68, 120);
     put_le16(p + 80, 0xf0); /* ata3 -> ata6 supported */
     put_le16(p + 81, 0x16); /* conforms to ata5 */
-    put_le16(p + 82, (1 << 14));
+    /* 14=nop 5=write_cache */
+    put_le16(p + 82, (1 << 14) | (1 << 5));
     /* 13=flush_cache_ext,12=flush_cache,10=lba48 */
     put_le16(p + 83, (1 << 14) | (1 << 13) | (1 <<12) | (1
<< 10));
     put_le16(p + 84, (1 << 14));

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