[PULL 0/1] xen queue 2022-09-27

[PULL 0/1] xen queue 2022-09-27

[Anthony PERARD via]

The following changes since commit 99d6b11b5b44d7dd64f4cb1973184e40a4a174f8:

  Merge tag 'pull-target-arm-20220922' of https://git.linaro.org/people/pmaydell/qemu-arm into staging (2022-09-26 13:38:26 -0400)

are available in the Git repository at:

  https://xenbits.xen.org/git-http/people/aperard/qemu-dm.git tags/pull-xen-20220927

for you to fetch changes up to fb36fb9344c284a58f3f3ec5be6408fc51eaf3f1:

  hw/xen: set pci Atomic Ops requests for passthrough device (2022-09-27 14:23:23 +0100)

----------------------------------------------------------------
Xen patch

- Xen PCI passthrough fix for Atomic Ops requests

----------------------------------------------------------------
Ruili Ji (1):
      hw/xen: set pci Atomic Ops requests for passthrough device

 hw/xen/xen_pt_config_init.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

[PULL 1/1] hw/xen: set pci Atomic Ops requests for passthrough device

[Anthony PERARD via]

From: Ruili Ji <ruili.ji@amd.com>

Make guest os access pci device control 2 reg for passthrough device
as struct XenPTRegInfo described in the file hw/xen/xen_pt.h.
/* reg read only field mask (ON:RO/ROS, OFF:other) */
uint32_t ro_mask;
/* reg emulate field mask (ON:emu, OFF:passthrough) */
uint32_t emu_mask;

Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1196
Signed-off-by: Aaron Liu <Aaron.Liu@amd.com>
Signed-off-by: Ruili Ji <ruili.ji@amd.com>
Message-ID: <BL1PR12MB599341DC55BA53FE588DE14E9B7E9@BL1PR12MB5993.namprd12.prod.outlook.com>
Reviewed-by: Paul Durrant <paul@xen.org>
Signed-off-by: Anthony PERARD <anthony.perard@citrix.com>
---
 hw/xen/xen_pt_config_init.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/hw/xen/xen_pt_config_init.c b/hw/xen/xen_pt_config_init.c
index 4758514ddf..cde898b744 100644
--- a/hw/xen/xen_pt_config_init.c
+++ b/hw/xen/xen_pt_config_init.c
@@ -985,8 +985,8 @@ static XenPTRegInfo xen_pt_emu_reg_pcie[] = {
         .offset     = 0x28,
         .size       = 2,
         .init_val   = 0x0000,
-        .ro_mask    = 0xFFE0,
-        .emu_mask   = 0xFFFF,
+        .ro_mask    = 0xFFA0,
+        .emu_mask   = 0xFFBF,
         .init       = xen_pt_devctrl2_reg_init,
         .u.w.read   = xen_pt_word_reg_read,
         .u.w.write  = xen_pt_word_reg_write,
-- 
Anthony PERARD

Re: [PULL 0/1] xen queue 2022-09-27

[Stefan Hajnoczi]

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Applied, thanks.

Please update the changelog at https://wiki.qemu.org/ChangeLog/7.2 for any user-visible changes.

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