From: Huang Rui <ray.huang@amd.com>
To: "Gerd Hoffmann" <kraxel@redhat.com>,
"Michael S . Tsirkin" <mst@redhat.com>,
"Stefano Stabellini" <sstabellini@kernel.org>,
"Anthony PERARD" <anthony.perard@citrix.com>,
"Roger Pau Monné" <roger.pau@citrix.com>,
"Jan Beulich" <jbeulich@suse.com>,
"Antonio Caggiano" <antonio.caggiano@collabora.com>,
"Dr . David Alan Gilbert" <dgilbert@redhat.com>,
"Robert Beckett" <bob.beckett@collabora.com>,
qemu-devel@nongnu.org, xen-devel@lists.xenproject.org
Cc: "Alex Deucher" <alexander.deucher@amd.com>,
"Christian König" <christian.koenig@amd.com>,
"Stewart Hildebrand" <Stewart.Hildebrand@amd.com>,
"Xenia Ragiadakou" <burzalodowa@gmail.com>,
"Honglei Huang" <honglei1.huang@amd.com>,
"Julia Zhang" <julia.zhang@amd.com>,
"Chen Jiqian" <Jiqian.Chen@amd.com>,
"Huang Rui" <ray.huang@amd.com>
Subject: [RFC QEMU PATCH 13/18] hw/i386/xen/xen-hvm: Introduce xen_ram_block_check function
Date: Sun, 12 Mar 2023 17:22:39 +0800 [thread overview]
Message-ID: <20230312092244.451465-14-ray.huang@amd.com> (raw)
In-Reply-To: <20230312092244.451465-1-ray.huang@amd.com>
Introduce xen_ram_block_check function to check whether current ramblock
is xen ram memory.
Signed-off-by: Huang Rui <ray.huang@amd.com>
---
hw/i386/xen/xen-hvm.c | 15 +++++++++++++++
include/hw/xen/xen.h | 1 +
2 files changed, 16 insertions(+)
diff --git a/hw/i386/xen/xen-hvm.c b/hw/i386/xen/xen-hvm.c
index e4293d6d66..a4f12aefce 100644
--- a/hw/i386/xen/xen-hvm.c
+++ b/hw/i386/xen/xen-hvm.c
@@ -32,6 +32,7 @@
#include "sysemu/xen.h"
#include "sysemu/xen-mapcache.h"
#include "trace.h"
+#include "include/exec/ramblock.h"
#include <xen/hvm/ioreq.h>
#include <xen/hvm/e820.h>
@@ -1564,6 +1565,20 @@ void xen_register_framebuffer(MemoryRegion *mr)
framebuffer = mr;
}
+bool xen_ram_block_check(RAMBlock *rb)
+{
+ bool ret;
+
+ if (!rb)
+ return false;
+
+ ret = (rb == ram_memory.ram_block);
+ if (ret)
+ rb->offset = 0;
+
+ return ret;
+}
+
void xen_shutdown_fatal_error(const char *fmt, ...)
{
va_list ap;
diff --git a/include/hw/xen/xen.h b/include/hw/xen/xen.h
index afdf9c436a..99a383eb17 100644
--- a/include/hw/xen/xen.h
+++ b/include/hw/xen/xen.h
@@ -31,5 +31,6 @@ qemu_irq *xen_interrupt_controller_init(void);
void xenstore_store_pv_console_info(int i, Chardev *chr);
void xen_register_framebuffer(struct MemoryRegion *mr);
+bool xen_ram_block_check(RAMBlock *rb);
#endif /* QEMU_HW_XEN_H */
--
2.25.1
next prev parent reply other threads:[~2023-03-12 9:29 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-03-12 9:22 [RFC QEMU PATCH 00/18] Add VirtIO GPU and Passthrough GPU support on Xen Huang Rui
2023-03-12 9:22 ` [RFC QEMU PATCH 01/18] virtio: Add shared memory capability Huang Rui
2023-03-13 9:01 ` Philippe Mathieu-Daudé
2023-03-12 9:22 ` [RFC QEMU PATCH 02/18] virtio-gpu: hostmem Huang Rui
2023-03-12 9:22 ` [RFC QEMU PATCH 03/18] virtio-gpu: Handle resource blob commands Huang Rui
2023-03-12 9:22 ` [RFC QEMU PATCH 04/18] virtio-gpu: CONTEXT_INIT feature Huang Rui
2023-03-13 9:06 ` Philippe Mathieu-Daudé
2023-03-12 9:22 ` [RFC QEMU PATCH 05/18] virtio-gpu: Unrealize Huang Rui
2023-03-12 9:22 ` [RFC QEMU PATCH 06/18] virtio-gpu: Resource UUID Huang Rui
2023-03-12 9:22 ` [RFC QEMU PATCH 07/18] virtio-gpu: Support Venus capset Huang Rui
2023-03-12 9:22 ` [RFC QEMU PATCH 08/18] virtio-gpu: Initialize Venus Huang Rui
2023-03-12 17:51 ` Dmitry Osipenko
2023-03-13 2:22 ` Dmitry Osipenko
2023-03-13 15:57 ` Huang Rui
2023-03-13 15:55 ` Huang Rui
2023-03-15 23:14 ` Dmitry Osipenko
2023-03-24 13:22 ` Huang Rui
2023-04-03 21:03 ` Dmitry Osipenko
2023-03-12 9:22 ` [RFC QEMU PATCH 09/18] meson: Enable virglrenderer unstable APIs Huang Rui
2023-03-12 9:22 ` [RFC QEMU PATCH 10/18] virtio-gpu: Handle set scanout blob command Huang Rui
2023-03-12 9:22 ` [RFC QEMU PATCH 11/18] virtio-gpu: make blob scanout use dmabuf fd Huang Rui
2023-03-12 9:22 ` [RFC QEMU PATCH 12/18] softmmu: Fix the size to map cache with xen for host virtual address Huang Rui
2023-03-18 0:31 ` Stefano Stabellini
2023-03-12 9:22 ` Huang Rui [this message]
2023-03-18 0:38 ` [RFC QEMU PATCH 13/18] hw/i386/xen/xen-hvm: Introduce xen_ram_block_check function Stefano Stabellini
2023-03-12 9:22 ` [RFC QEMU PATCH 14/18] softmmu: Add ram block check to map the xen ram memory Huang Rui
2023-03-12 9:22 ` [RFC QEMU PATCH 15/18] softmmu: Enable qemu ram allocation with fd for Xen Huang Rui
2023-03-12 9:22 ` [RFC QEMU PATCH 16/18] virtio-gpu: fix hw-display-virtio-gpu.so undefined symbol virtio_gpu_virgl_resource_unmap Huang Rui
2023-03-12 9:22 ` [RFC QEMU PATCH 17/18] virtio-gpu: Add video hardware accelerate support for virgl Huang Rui
2023-03-12 9:22 ` [RFC QEMU PATCH 18/18] xen: translate irq of host pci device to gsi Huang Rui
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