NetBSD libxc hypercall implementation was returning -errno on error,
instead of the actual error value from ioctl. Returning error is
easier to understand, and the caller can always check errno.
Signed-off-by: Roger Pau Monne <roger.pau@entel.upc.edu>
Acked-by: Ian Campbell <ian.campbell.com>
Committed-by: Ian Jackson <ian.jackson.citrix.com>
Reported-by: Olaf Hering <olaf@aepfle.de>
Added a comment that explains why NetBSD return hypercall->retval on
success.
Signed-off-by: Roger Pau Monne <roger.pau@entel.upc.edu>
Acked-by: Ian Campbell <ian.campbell.com>
Committed-by: Ian Jackson <ian.jackson.citrix.com>
Reported-by: Olaf Hering <olaf@aepfle.de>
In xenpaging source code,there is an interdomain communication between dom0
and domU. In mem_event_enable(),the function alloc_unbound_xen_event_channel()
allocates a free port for domU, and then it will be bound with dom0.
When xenpaging tears down,it just frees dom0's event channel port by
xc_evtchn_unbind(), leaves domU's port still occupied.
So we add the patch to free domU's port when xenpaging exits.
We need double free interdomain eventchannel. First free domainU port,
and leave domain 0 port unbond, Then free domain 0 port.
Signed-off-by: Kaixing Hong <hongkaixing@huawei.com>,
Signed-off-by: Zhen Shi <bicky.shi@huawei.com>
Acked-by: Olaf Hering <olaf@aepfle.de>
Committed-by: Tim Deegan <tim@xen.org>
In hap_paging_update_modes, we were getting the gpa of the cr3, rather
than the gfn.
Vmx_load_pdptrs was crashing the host if the cr3 is paged out. Now it
will only crash the guest.
Signed-off-by: Andres Lagar-Cavilla <andres@lagarcavilla.org>
Signed-off-by: Tim Deegan <tim@xen.org>
Committed-by: Tim Deegan <tim@xen.org>
If the guest balloons away a page that has been nominated for paging but
not yet paged out, we fix:
- Send EVICT_FAIL flag in the event to the pager
- Do not leak the underlying page
If the page was shared, we were not:
- properly refreshing the mfn to balloon after the unshare.
- unlocking the p2m on the error exit case
Signed-off-by: Andres Lagar-Cavilla <andres@lagarcavilla.org>
Acked-by: Tim Deegan <tim@xen.org>
Committed-by: Tim Deegan <tim@xen.org>
When the subject domain is not the current one (e.g. during domctl or
HVM save/restore handling), use of gdprintk() is questionable at best,
as it won't give the intended information on what domain is affected.
Use plain printk() or dprintk() instead, but keep things (mostly) as
guest messages by using XENLOG_G_*.
Signed-off-by: Jan Beulich <jbeulich@suse.com>
Acked-by: Keir Fraser <keir@xen.org>
These hypercalls are currently ACPI specific and implemented in
xen/drivers/acpi which is not implemented on ARM.
Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Acked-by: keir@xen.org
Committed-by: Ian Campbell <Ian.Campbell@citrix.com>
With the traditional qemu tree fixed to not use PROT_WRITE anymore in
the mmap() call for this region, and with the upstream qemu tree not
being capable of handling passthrough, yet, there's no need to treat
Dom specially here anymore.
This continues to leave unaddressed the case where PV guests map the
MSI-X table page(s) before setting up the first MSI-X interrupt (see
the original c/s 22182:68cc3c514a0a description for options).
Signed-off-by: Jan Beulich <jbeulich@suse.com>
Acked-by: Keir Fraser <keir@xen.org>
Unfortunately the tool I was using to apply patches mangles hard tabs. This
patch corrects this in the effected files (which is fortunately only a subset
of .S or files imported from Linux).
This commit fixes this error such that the tree represents the state it would
have been in had I correctly committed what I was sent.
"git diff" and "git diff -b" vs. Stefano's v6 branch now contain the same
output -- i.e. only the intervening development
Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Currently guests created with the xl stack will have "xenbr0"
written as their default into xenstore. It can be changed in
the individual guest config files, but there is no way to
have that default globally changed.
Add a config option to xl.conf that allows to have a different
default bridge name.
Signed-off-by: Stefan Bader <stefan.bader@canonical.com>
Acked-by: Ian Jackson <ian.jackson@eu.citrix.com>
Committed-by: Ian Jackson <ian.jackson@eu.citrix.com>
Setup memory management, heaps etc. using the location and size of the
first memory bank given in the device tree.
The DTB is also copied so it can be used afterwards.
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
Acked-by: Tim Deegan <tim@xen.org>
Committed-by: Ian Campbell <ian.campbell@citrix.com>
Prior to setting up the page tables, parse the DTB for the location
and size of RAM.
Use this information to get the physical address to relocate Xen to in
setup_pagetables().
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
Acked-by: Tim Deegan <tim@xen.org>
Committed-by: Ian Campbell <ian.campbell@citrix.com>
Add early_printk() which can be used before setup_pagetables(). This
will be used when doing the early parsing of the DTB.
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
Acked-by: Tim Deegan <tim@xen.org>
Committed-by: Ian Campbell <ian.campbell@citrix.com>
Add a mapping for the device tree blob in the initial page tables.
This will allow the DTB to be parsed for memory information prior to
setting up the real page tables.
It is mapped into the first L2 slot after the fixmap. When this slot
is reused in setup_pagetables(), flush the TLB.
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
Acked-by: Tim Deegan <tim@xen.org>
Committed-by: Ian Campbell <ian.campbell@citrix.com>
Link a device tree blob (DTB) into the xen image. This is loaded
immediately after Xen and xen_start() is called with the correct
address in atag_paddr.
The DTB file must be supplied by setting the CONFIG_DTB_FILE variable
in .config or on the make command line.
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
Acked-by: Tim Deegan <tim@xen.org>
Committed-by: Ian Campbell <ian.campbell@citrix.com>
Few missing #define are the cause of a compile failure with
XEN_TARGET_ARM=arm and XEN_COMPILE_ARM=arm (for example in the case of a
native compilation). This patch fill the gaps.
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
Committed-by: Ian Campbell <ian.campbell@citrix.com>
This patch introduces configuration options allowing to built either a
rombios only or a seabios only hvmloader.
Building option ROMs like vgabios or etherboot is only enabled for a
rombios hvmloader, since SeaBIOS takes care or extracting option ROMs
itself from the PCI devices (these option ROMs are provided by the
device model and do not need to be built in hvmloader).
The Makefile in tools/firmware/ now only checks for bcc if rombios is
enabled.
These two configuration options are left on by default to remain
compatible.
Signed-off-by: Julian Pidancet <julian.pidancet@gmail.com>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
Make load_rom field in struct bios_config an optionnal callback rather
than a boolean value. It allow BIOS specific code to implement it's
own option ROM loading methods.
Facilities to scan PCI devices, extract an deploy ROMs are moved into
a separate file that can be compiled optionnaly.
Signed-off-by: Julian Pidancet <julian.pidancet@gmail.com>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
To remain consistent with how other ROMs are built into hvmloader,
call mkhex on etherboot ROMs from the hvmloader directory, instead of
the etherboot directory. In other words, eb-roms.h is not used any
more.
Introduce ETHERBOOT_NICS config option to choose which ROMs should be
built (kept rtl8139 and 8086100e per default as before).
Signed-off-by: Julian Pidancet <julian.pidancet@gmail.com>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
David Vrabel
Roger Pau Monne
Allen Kay
Ian Jackson
Olaf Hering
Ian Campbell
Kaixing Hong
Andres Lagar-Cavilla
Tim Deegan
Jan Beulich
Christoph Egger
Stefan Bader
Zhigang Wang
Stefano Stabellini
Julian Pidancet