guix-play/gnu/packages/patches/qemu-CVE-2015-4106-pt7.patch
Mark H Weaver fef3cfaaab gnu: qemu: Add fixes for CVE-2015-{4037,4103,4104,4105,4106}.
* gnu/packages/patches/qemu-CVE-2015-4037.patch,
  gnu/packages/patches/qemu-CVE-2015-4103.patch,
  gnu/packages/patches/qemu-CVE-2015-4104.patch,
  gnu/packages/patches/qemu-CVE-2015-4105.patch,
  gnu/packages/patches/qemu-CVE-2015-4106-pt1.patch,
  gnu/packages/patches/qemu-CVE-2015-4106-pt2.patch,
  gnu/packages/patches/qemu-CVE-2015-4106-pt3.patch,
  gnu/packages/patches/qemu-CVE-2015-4106-pt4.patch,
  gnu/packages/patches/qemu-CVE-2015-4106-pt5.patch,
  gnu/packages/patches/qemu-CVE-2015-4106-pt6.patch,
  gnu/packages/patches/qemu-CVE-2015-4106-pt7.patch,
  gnu/packages/patches/qemu-CVE-2015-4106-pt8.patch: New files.
* gnu-system.am (dist_patch_DATA): Add them.
* gnu/packages/qemu.scm (qemu-headless)[source]: Add patches.
2015-06-16 00:29:28 -04:00

73 lines
2.2 KiB
Diff

From a88a3f887181605f4487a22bdfb7d87ffafde5d9 Mon Sep 17 00:00:00 2001
From: Jan Beulich <jbeulich@suse.com>
Date: Tue, 2 Jun 2015 15:07:01 +0000
Subject: [PATCH] xen/pt: add a few PCI config space field descriptions
Since the next patch will turn all not explicitly described fields
read-only by default, those fields that have guest writable bits need
to be given explicit descriptors.
This is a preparatory patch for XSA-131.
Signed-off-by: Jan Beulich <jbeulich@suse.com>
---
hw/xen/xen_pt_config_init.c | 28 ++++++++++++++++++++++++++++
1 file changed, 28 insertions(+)
diff --git a/hw/xen/xen_pt_config_init.c b/hw/xen/xen_pt_config_init.c
index efd8bac..19f926b 100644
--- a/hw/xen/xen_pt_config_init.c
+++ b/hw/xen/xen_pt_config_init.c
@@ -754,6 +754,15 @@ static XenPTRegInfo xen_pt_emu_reg_vpd[] = {
.u.b.write = xen_pt_byte_reg_write,
},
{
+ .offset = PCI_VPD_ADDR,
+ .size = 2,
+ .ro_mask = 0x0003,
+ .emu_mask = 0x0003,
+ .init = xen_pt_common_reg_init,
+ .u.w.read = xen_pt_word_reg_read,
+ .u.w.write = xen_pt_word_reg_write,
+ },
+ {
.size = 0,
},
};
@@ -889,6 +898,16 @@ static XenPTRegInfo xen_pt_emu_reg_pcie[] = {
.u.w.read = xen_pt_word_reg_read,
.u.w.write = xen_pt_word_reg_write,
},
+ /* Device Status reg */
+ {
+ .offset = PCI_EXP_DEVSTA,
+ .size = 2,
+ .res_mask = 0xFFC0,
+ .ro_mask = 0x0030,
+ .init = xen_pt_common_reg_init,
+ .u.w.read = xen_pt_word_reg_read,
+ .u.w.write = xen_pt_word_reg_write,
+ },
/* Link Control reg */
{
.offset = PCI_EXP_LNKCTL,
@@ -900,6 +919,15 @@ static XenPTRegInfo xen_pt_emu_reg_pcie[] = {
.u.w.read = xen_pt_word_reg_read,
.u.w.write = xen_pt_word_reg_write,
},
+ /* Link Status reg */
+ {
+ .offset = PCI_EXP_LNKSTA,
+ .size = 2,
+ .ro_mask = 0x3FFF,
+ .init = xen_pt_common_reg_init,
+ .u.w.read = xen_pt_word_reg_read,
+ .u.w.write = xen_pt_word_reg_write,
+ },
/* Device Control 2 reg */
{
.offset = 0x28,
--
2.2.1