similar to: [PATCH v2 1/2] xenconsoled: use grant references instead of map_foreign_range

Grant references for the xenstore and xenconsole shared pages exist, but currently only xenstore uses these references. Change the xenconsole daemon to prefer using the grant reference over map_foreign_range when mapping the shared console ring. This allows xenconsoled to be run in a domain other than dom0 if set up correctly - for libxl, the xenstore path /tool/xenconsoled/domid specifies the

Changes from v3: - mini-os configuration files moved into stubdom/ - mini-os extra console support now a config option - Fewer #ifdefs - grant table setup uses hypercall bounce - Xenstore stub domain syslog support re-enabled Changes from v2: - configuration support added to mini-os build system - add mini-os support for conditionally compiling frontends, xenbus -

Hi: I wanna domU to map dom0''s page, so that these two domain can receive/send data between them in the future. But when I run my code , it told me that "Could not open grant table interface(22=invalid argument)". Can anybody know what the problem is ? Thanks . Danius Wu. ====== The Result of running my codes: [root@vm1 program]# gcc -g -Wall

Changes to libxc to enable easy access to the grant table device. Signed-off-by: Derek Murray <Derek.Murray@cl.cam.ac.uk> --- diff -r 809f36b1b685 tools/libxc/xc_linux.c --- a/tools/libxc/xc_linux.c Thu Mar 15 10:43:13 2007 +0000 +++ b/tools/libxc/xc_linux.c Thu Mar 15 17:46:06 2007 +0000 @@ -13,6 +13,7 @@ #include <xen/memory.h> #include <xen/sys/evtchn.h> +#include

# HG changeset patch # User max.zhen@sun.com # Date 1171024588 28800 # Node ID a2d15838ea72ee049d8a657e9ecd406b5c6cb53e # Parent d609929f140809ec1c9a059f2eeaffb7ce56c891 Xenconsoled should ignore spurious watch event. Otherwise, xenconsoled could bind to a dying domU during its suspending and cause complaint from Xen: (XEN) event_channel.c:177:d0 EVTCHNOP failure: domain 0, error -22, line 177

# HG changeset patch # User john.levon@sun.com # Date 1171946682 28800 # Node ID e8a7491ed4c57d4d82642dd954b8909d9065b377 # Parent 24a6bc1d1b93405558741a2a8fa7ba2f7c44964a Xenconsoled should ignore spurious watch event. Otherwise, it can rebind to the same evtchn of a dying domU during suspending and cause below error message: (XEN) event_channel.c:177:d0 EVTCHNOP failure: domain 0, error -22,

Hi, I need to use the grant table mechanism, but I can''t find any example regarding how to do it. Could you please provide some examples? Thanks Carlo -- È molto più bello sapere qualcosa di tutto, che sapere tutto di una cosa. Blaise Pascal _______________________________________________ Xen-devel mailing list Xen-devel@lists.xensource.com http://lists.xensource.com/xen-devel

Hi all, I am running Xen 4.1.2 with ubuntu Dom0. I have essentially got 1000 Modified Mini-OS DomU''s running at the same time. When i try and access the 1000th domain console: xm console DOM1000 xenconsole: could not read tty from store: No such file or directory The domain is alive and running according to xentop, and has been for some time. I can successfully access the first 338

Hi all, I am running Xen 4.1.2 with ubuntu Dom0. I have essentially got 1000 Modified Mini-OS DomU''s running at the same time. When i try and access the 1000th domain console: xm console DOM1000 xenconsole: could not read tty from store: No such file or directory The domain is alive and running according to xentop, and has been for some time. I can successfully access the first 338

The original implementation utilies select(). In Linux select() typically supports up to 1024 file descriptors. This can be a problem when user tries to boot up many guests. Switching to poll() has minimum impact on existing code and has better scalibility. Up to 8192 file descriptors are supported in the current implementation. Signed-off-by: Wei Liu <wei.liu2@citrix.com> ---

Hi Ian/Stefano, So, I''m back to using pfn space from maxphysaddr below. Stefano, you suggested ballooning, but that would be just too slow. There are lot of pages to be mapped, 4k at a time during guest creation, and I am afraid ballooning and hypercalls to populate EPT will be pretty slow. OTOH, there is tons of address space available between max-physaddr and max pfn in dom0. Stefano,

Hi, Header says: /* * Unmaps the @count pages starting at @start_address, which were mapped by a * call to xc_gntshr_share_*. Never logs. */ int xc_gntshr_munmap(xc_gntshr *xcg, void *start_address, uint32_t count); But implementation calls: static int linux_gntshr_munmap(xc_gntshr *xcg, xc_osdep_handle h, void *start_address, uint32_t count) { return

The following series of 10 patches is a merge of the xenfb and xenconsoled functionality into the qemu-dm code. The general approach taken is to have qemu-dm provide two machine types - one for xen paravirt, the other for fullyvirt. For compatability the later is the default. The goals overall are to kill LibVNCServer, remove alot of code duplication and/or parallel impls of the same concepts, and

This patch series introduces the shared ring used by the front-end to pass request descriptors to tapdisk, as well as responses from tapdisk to the front-end. Requests from this ring end up in tapdisk''s standard request queue. When the tapback daemon detects that the front-end tries to connect to the back-end, it spawns a tapdisk and tells it to connect to the shared ring. The shared

Since the vTPM implementations are being incorproated into Xen and possibly upstream Linux, I would like to see if this protocol change could be added before we have significant legacy implementations. If not, I still think it would be useful as either a v2 or negotiated protocol change. The current vTPM protocol is a copy of the network protocol. This was likely done for ease of implementation,

Hi all, this is the long awaited patch series to add xen device model support in qemu; the main author is Anthony Perard. Developing this series we tried to come up with the cleanest possible solution from the qemu point of view, limiting the amount of changes to common code as much as possible. The end result still requires a couple of hooks in piix_pci but overall the impact should be very

2011/7/19 Stefano Stabellini <stefano.stabellini@eu.citrix.com>: > CC''ing Tim and xen-devel > > On Mon, 18 Jul 2011, Jiageng Yu wrote: >> 2011/7/16 Stefano Stabellini <stefano.stabellini@eu.citrix.com>: >> > On Fri, 15 Jul 2011, Jiageng Yu wrote: >> >> 2011/7/15 Jiageng Yu <yujiageng734@gmail.com>: >> >> > 2011/7/15

Goodmorning, I''m currently playing with XEN/arm on my Allwinner A20 (cubieboard2) I would like to get the XENFB driver working on domU. But currently in xen/arm there''s no support for VFB, atleast qemu is not supported. But this video http://www.youtube.com/watch?v=po1IeElg8tg and this one http://www.youtube.com/watch?v=Km6gBnIqaWo is showing a working framebuffer. So there are

On Thu, 2005-06-16 at 06:17 +0100, Keir Fraser wrote: > > I suggested that we simply mmap /dev/kmem for the xenstored to access > > the domain0 page for the moment. That doesn''t work: we''ll do something > > else. > > Just use xc_map_foreign_range(), as you would for mapping any other > domain''s xenstore page. So here''s my patch

add segring support in blkback Signed-off-by: Ronghui Duan <ronghui.duan@intel.com> diff --git a/drivers/block/xen-blkback/blkback.c b/drivers/block/xen-blkback/blkback.c index 45eda98..0bbc226 100644 --- a/drivers/block/xen-blkback/blkback.c +++ b/drivers/block/xen-blkback/blkback.c @@ -60,6 +60,10 @@ static int xen_blkif_reqs = 64; module_param_named(reqs, xen_blkif_reqs, int, 0);