search for: liu2

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2013 Nov 12
16
[PATCH] hvmloader: write extra memory in CMOS
Some firmware, such as OVMF relies on this value to get the size of extra memory above 4GB. Seabios in Xen doesn''t need this as it gets e820 directly from Xen. Rombios doesn''t read this value. Signed-off-by: Wei Liu <wei.liu2@citrix.com> --- tools/firmware/hvmloader/hvmloader.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/tools/firmware/hvmloader/hvmloader.c b/tools/firmware/hvmloader/hvmloader.c index 1cc8cf2..327dffd 100644 --- a/tools/firmware/hvmloader/hvmloader.c +++ b/tools/firmware/h...
2012 Apr 05
15
[PATCH 0/0] MSI/MSIX injection for Xen HVM guests
Implement a simple Xen APIC module and use it to deliver MSI/MSIX for Xen HVM guests.
2013 Nov 26
3
[PATCH v3 3/8] OvmfPkg: define EFI_XEN_OVMF_INFO and extend XenInfo
EFI_XEN_OVMF_INFO is defined to accept configurations from hvmloader. It must match the definition on Xen side. XenInfo is extended to include necessary bits as well. Currently only E820 map is in use. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Wei Liu <wei.liu2@citrix.com> --- OvmfPkg/Include/Guid/XenInfo.h | 7 +++++++ OvmfPkg/PlatformPei/Xen.h | 44 ++++++++++++++++++++++++++++++++++++++++ 2 files changed, 51 insertions(+) create mode 100644 OvmfPkg/PlatformPei/Xen.h diff --git a/OvmfPkg/Include/Guid/XenInfo.h b/OvmfPkg/Include/Guid/XenI...
2013 Sep 26
2
[PATCH net-next] MAINTAINERS: add myself as maintainer of xen-netback
Signed-off-by: Wei Liu <wei.liu2@citrix.com> --- MAINTAINERS | 1 + 1 file changed, 1 insertion(+) diff --git a/MAINTAINERS b/MAINTAINERS index e61c2e8..3c441ce 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -9366,6 +9366,7 @@ F: arch/arm64/include/asm/xen/ XEN NETWORK BACKEND DRIVER M: Ian Campbell <ian.campbell@cit...
2012 Feb 22
5
[PATCH] Add gtags target for xen/Makefile. Also update .hgignore.
# HG changeset patch # User Wei Liu <wei.liu2@citrix.com> # Date 1329922671 0 # Node ID bb2986677df84b9709a60aea7e70ffd9f9e23f76 # Parent d433a9cb0089683b8f75458807c5437341f2cdcc Add gtags target for xen/Makefile. Also update .hgignore. Signed-off-by: Wei Liu <wei.liu2@citrix.com> diff --git a/.hgignore b/.hgignore --- a/.hgignore...
2013 Nov 26
8
[PATCH v3 2/8] OvmfPkg: introduce E820.h
E820 definitions copied from IntelFrameworkModulePkg/Csm/ LegacyBiosDxe/LegacyBiosInterface.h. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Wei Liu <wei.liu2@citrix.com> Reviewed-by: Jordan Justen <jordan.l.justen@intel.com> --- OvmfPkg/Include/IndustryStandard/E820.h | 46 +++++++++++++++++++++++++++++++ 1 file changed, 46 insertions(+) create mode 100644 OvmfPkg/Include/IndustryStandard/E820.h diff --git a/OvmfPkg/Include/IndustryStandar...
2012 Apr 12
2
[PATCH v2 0/2] MSI/MSIX injection for Xen HVM guests
Hi all, this patch series by Wei Liu implements a simple Xen APIC module and use it to deliver MSI/MSIX for Xen HVM guests. The second version of this series includes the "or later" copyright clause for xen_apic.c and a fix to the return value of xen_apic_mem_read (thanks Peter for finding it out). Stefano Stabellini (2): Xen: basic HVM MSI injection support. Xen: Add
2013 Nov 28
4
[PATCH net] xen-netback: fix fragment detection in checksum setup
...checksum_setup() was missing for IPv4 and too eager for IPv6. (It transpires that Windows seems to send IPv6 packets with a fragment header even if they are not a fragment - i.e. offset is zero, and M bit is not set). Signed-off-by: Paul Durrant <paul.durrant@citrix.com> Cc: Wei Liu <wei.liu2@citrix.com> Cc: Ian Campbell <ian.campbell@citrix.com> Cc: David Vrabel <david.vrabel@citrix.com> --- drivers/net/xen-netback/netback.c | 31 ++++++++++++++++++++++++++++--- 1 file changed, 28 insertions(+), 3 deletions(-) diff --git a/drivers/net/xen-netback/netback.c b/drivers/...
2013 Feb 01
45
netback Oops then xenwatch stuck in D state
We''ve been hitting the following issue on a variety of hosts and recent Xen/dom0 version combinations. Here''s an excerpt from our latest: Xen: 4.1.4 (xenbits @ 23432) Dom0: 3.7.1-x86_64 BUG: unable to handle kernel NULL pointer dereference at 000000000000001c IP: [<ffffffff8141a301>] evtchn_from_irq+0x11/0x40 PGD 0 Oops: 0000 [#1] SMP Modules linked in: ebt_comment
2013 Sep 12
15
large packet support in netfront driver and guest network throughput
Hi All, I am sure this has been answered somewhere in the list in the past, but I can''t find it. I was wondering if the linux guest netfront driver has GRO support in it. tcpdump shows packets coming in with 1500 bytes, although the eth0 in dom0 and the vif corresponding to the linux guest in dom0 is showing that they receive large packet: In dom0: eth0 Link encap:Ethernet HWaddr
2013 Nov 17
6
Re: [edk2] [PATCH RFC 0/7] OvmfPkg: make OVMF fully working with Xen
On Sat, Nov 16, 2013 at 3:31 AM, Jordan Justen <jljusten@gmail.com> wrote: > When I try to boot this on qemu or kvm, it asserts because the video > framebuffer address is NULL. > That''s expected because of the hack. ;-) > On Fri, Nov 15, 2013 at 7:58 AM, Wei Liu <wei.liu2@citrix.com> wrote: >> This is a quick hack I pulled together last night to make OVMF work with Xen. >> I''m pretty sure there''s many things that can be improved. ;-) >> >> Any advice is welcomed. I''m particular interested in comments such as how...
2013 Jul 12
17
RFC: removing hardcoded "modprobe blktap" in xencommons
Hi Jan Back before 4.3 release you complaint about the hardcoded modprobe for blktap / blktap2 in xencommons script. I started to look into it this week and tried to do this modprobe automatically in libxl (that''s the idea we discussed before 4.3 IIRC). Unfortunately I didn''t manage to find any canonical documents on how a user space process can trigger a modprobe.
2012 Jan 02
1
回复: [help] Who's the author of libxc? I don't know howto start with it
...nderstand: libxc is compiled to a file name after 'xc**' endding with '.so', xend communicates with domain0 through xc and domain0 communicates with hypervisor through privcmd. What's the privcmd? ------------------ 原始邮件 ------------------ 发件人: "Wei Liu"<wei.liu2@citrix.com>; 发送时间: 2012年1月1日(星期天) 晚上8:09 收件人: "¤?K於aware"<250716708@qq.com>; 抄送: "wei.liu2"<wei.liu2@citrix.com>; "xen-devel"<xen-devel@lists.xensource.com>; 主题: Re: [Xen-devel] [help] Who's the author of libxc? I don't know howto start w...
2013 Dec 11
29
[PATCH RFC V2 0/6] OSSTest: OVMF test job
RFC v2 of this series This series implements a basic test job for OVMF guest. The test case will install an OVMF guest and try to boot it. It is also possible to derive a debian HVM installation test case from ts-ovmf-debian-install - the only difference should be the BIOS option. I tested running the test script without specifying BIOS, it worked fine. I just didn''t figure out a
2013 Apr 25
17
[PATCH V3] libxl: write IO ABI for disk frontends
...n overwrite to an existing node which should be OK. In fact Xend writes the ABI for all frontends including console and vif. But nowadays only old disk frontends rely on that behaviour so that we only write the ABI for disk frontends in libxl, minimizing the impact. Signed-off-by: Wei Liu <wei.liu2@citrix.com> Cc: Ian Campbell <ian.campbell@citrix.com> Cc: Roger Pau Monne <roger.pau@citrix.com> Cc: Valtteri Kiviniemi <kiviniemi.valtteri@gmail.com> --- tools/libxc/xc_dom_arm.c | 7 +++++++ tools/libxc/xc_dom_x86.c | 34 ++++++++++++++++++++++++++++++...
2013 Jul 02
3
[PATCH RFC] xen-netback: remove guest RX path dependence on MAX_SKB_FRAGS
...depend on a OS-specific constant. It''s incorrect because the ring slots required doesn''t correspond to the number of frags a SKB has (consider compound page frags). This patch removes this dependence by correctly counting the ring slots required. Signed-off-by: Wei Liu <wei.liu2@citrix.com> --- drivers/net/xen-netback/interface.c | 12 +++++++--- drivers/net/xen-netback/netback.c | 41 +++++++++++++---------------------- 2 files changed, 24 insertions(+), 29 deletions(-) diff --git a/drivers/net/xen-netback/interface.c b/drivers/net/xen-netback/interface.c index...
2013 Sep 20
5
[PATCH net-next 2/2] xen-netback: handle frontends that fail to transition through Closing
Some old Windows frontends fail to transition through the xenbus Closing state and move directly from Connected to Closed. Handle this case properly. Signed-off-by: Paul Durrant <paul.durrant@citrix.com> Cc: David Vrabel <david.vrabel@citrix.com> Cc: Wei Liu <wei.liu2@citrix.com> Cc: Ian Campbell <ian.campbell@citrix.com> --- drivers/net/xen-netback/xenbus.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/net/xen-netback/xenbus.c b/drivers/net/xen-netback/xenbus.c index a53782e..bcaa25b 100644 --- a/drivers/net/xen-netback/xenbus.c +++...
2013 Feb 19
13
[PATCH] mini-os: implement poll(2)
It is just a wrapper around select(2). Signed-off-by: Wei Liu <wei.liu2@citrix.com> --- extras/mini-os/include/posix/poll.h | 1 + extras/mini-os/lib/sys.c | 90 ++++++++++++++++++++++++++++++++++- 2 files changed, 90 insertions(+), 1 deletion(-) create mode 100644 extras/mini-os/include/posix/poll.h diff --git a/extras/mini-os/include/posix/poll....
2013 Oct 28
3
[PATCH net V2] xen-netback: use jiffies_64 value to calculate credit timeout
...incorrect. Credit will not be replenished and the guest may become unable to send packets (e.g., if prior to the long gap, all credit was exhausted). Use jiffies_64 variant to mitigate this problem for 32bit Dom0. Suggested-by: Jan Beulich <jbeulich@suse.com> Signed-off-by: Wei Liu <wei.liu2@citrix.com> Cc: Ian Campbell <ian.campbell@citrix.com> Cc: Jason Luan <jianhai.luan@oracle.com> --- drivers/net/xen-netback/common.h | 1 + drivers/net/xen-netback/interface.c | 3 +-- drivers/net/xen-netback/netback.c | 14 +++++++------- 3 files changed, 9 insertions(...
2013 Oct 15
29
[PATCH 0/4] Reintroduce OVMF support
This small series reintroduces OVMF support in Xen You can fetch working OVMF tree on: git://xenbits.xen.org/people/liuw/ovmf.git master Working changeset that can be sticked in Config.mk is: 8833370303d3bf3153760ee42760ef1b9b5c562 Note that VNC doesn''t work properly when using OVMF, but that''s not OVMF''s problem. This issue should be addressed in Xen and I''m