[Xen-changelog] [qemu-upstream-unstable] xen/pt: add a few PCI config space field descriptions

[patchbot@xxxxxxx]

commit 2caff9b5dfbfb7abdf420a52f177efc42675147d
Author:     Jan Beulich <jbeulich@xxxxxxxx>
AuthorDate: Tue Jun 2 15:43:08 2015 +0000
Commit:     Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
CommitDate: Tue Jun 9 10:29:07 2015 +0000

    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@xxxxxxxx>
---
 hw/xen/xen_pt_config_init.c |   28 ++++++++++++++++++++++++++++
 1 files changed, 28 insertions(+), 0 deletions(-)

diff --git a/hw/xen/xen_pt_config_init.c b/hw/xen/xen_pt_config_init.c
index 50c682d..0a38dbb 100644
--- a/hw/xen/xen_pt_config_init.c
+++ b/hw/xen/xen_pt_config_init.c
@@ -756,6 +756,15 @@ 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,
     },
 };
@@ -891,6 +900,16 @@ 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,
@@ -902,6 +921,15 @@ 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,
--
generated by git-patchbot for /home/xen/git/qemu-upstream-unstable.git

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