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* [PATCH] hw/xen: set pci Atomic Ops requests for passthrough device
@ 2022-09-06  7:40 Ji, Ruili
  2022-09-07  1:04 ` Ji, Ruili
  2022-09-26 15:12 ` Anthony PERARD via
  0 siblings, 2 replies; 10+ messages in thread
From: Ji, Ruili @ 2022-09-06  7:40 UTC (permalink / raw)
  To: qemu-devel@nongnu.org; +Cc: Liu, Aaron

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[AMD Official Use Only - General]

From c54e0714a1e1cac7dc416bd843b9ec7162bcfc47 Mon Sep 17 00:00:00 2001
From: Ruili Ji ruili.ji@amd.com<mailto:ruili.ji@amd.com>
Date: Tue, 6 Sep 2022 14:09:41 +0800
Subject: [PATCH] hw/xen: set pci Atomic Ops requests for passthrough device

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@amd.com<mailto:Aaron.Liu@amd.com>
Signed-off-by: ruili.ji@amd.com<mailto:ruili.ji@amd.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 c5c4e943a8..adc565a00a 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,
--
2.34.1


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^ permalink raw reply related	[flat|nested] 10+ messages in thread

end of thread, other threads:[~2022-09-26 23:36 UTC | newest]

Thread overview: 10+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2022-09-06  7:40 [PATCH] hw/xen: set pci Atomic Ops requests for passthrough device Ji, Ruili
2022-09-07  1:04 ` Ji, Ruili
2022-09-13  3:02   ` Ji, Ruili
2022-09-14  9:07     ` Paul Durrant
2022-09-14 10:07       ` Ji, Ruili
2022-09-16 14:27         ` Paul Durrant
2022-09-21  1:19         ` Ji, Ruili
2022-09-23 14:46           ` Paul Durrant
2022-09-26 15:12 ` Anthony PERARD via
2022-09-26 23:29   ` Ji, Ruili

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