Commit Graph

25788 Commits

Author SHA1 Message Date
Kevin Wolf
76534da749 usb-storage: Forward serial number to scsi-disk
usb-storage takes care to fetch the USB serial number from -drive
options, but it neglected to pass its own 'serial' property to the
scsi-disk it creates. With this patch, the 'serial' qdev property and
the 'serial' option in -drive behave the same and correctly apply the
serial number on both USB and SCSI level.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
2013-04-05 18:58:05 +02:00
Brad Smith
d05ef16045 Allow clock_gettime() monotonic clock to be utilized on more OS's
Allow the clock_gettime() code using monotonic clock to be utilized on
more POSIX compliannt OS's. This started as a fix for OpenBSD which was
listed in one function as part of the previous hard coded list of OS's
for the functions to support but not in the other.

Signed-off-by: Brad Smith <brad@comstyle.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 20130405003748.GH884@rox.home.comstyle.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-04-04 20:22:45 -05:00
Laszlo Ersek
c5a98cf333 pc_acpi_init(): don't bail as soon as failing to find default DSDT
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Anthony Liguori <aliguori@us.ibm.com>
Message-id: 1363821803-3380-11-git-send-email-lersek@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-04-04 19:23:09 -05:00
Laszlo Ersek
3a4a4697aa Introduce IO_APIC_DEFAULT_ADDRESS for 0xfec00000
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Anthony Liguori <aliguori@us.ibm.com>
Message-id: 1363821803-3380-10-git-send-email-lersek@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-04-04 19:23:09 -05:00
Laszlo Ersek
dab8623430 extract/unify the constant 0xfee00000 as APIC_DEFAULT_ADDRESS
A common dependency of the constant's current users:
- hw/apic_common.c
- hw/i386/kvmvapic.c
- target-i386/cpu.c
is "target-i386/cpu.h".

Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Anthony Liguori <aliguori@us.ibm.com>
Message-id: 1363821803-3380-9-git-send-email-lersek@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-04-04 19:23:09 -05:00
Laszlo Ersek
23084327dc like acpi_table_install(), acpi_table_add() should propagate Errors
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Anthony Liguori <aliguori@us.ibm.com>
Message-id: 1363821803-3380-8-git-send-email-lersek@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-04-04 19:23:08 -05:00
Laszlo Ersek
e980f2bf0a acpi_table_add(): extract and reimplement internals
The new function acpi_table_install() installs any blob the caller passes
in. In the next patches this function will be promoted from helper role to
extern.

Reimplementing the logic should make it easier to understand. It also
removes a buffer overflow when

    has_header &&
    cumulative_file_size < ACPI_TABLE_HDR_SIZE - ACPI_TABLE_PFX_SIZE

(In that case the g_realloc() call in the read() loop used to shrink the
"acpi_tables" array, causing an out-of-bounds read access when copying the
header out of "acpi_tables".)

The new code isn't more daring alignment-wise than its predecessor:
"acpi_table_header" is packed, and the uint32_t fields are at offsets 6,
26, and 34.

Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Anthony Liguori <aliguori@us.ibm.com>
Message-id: 1363821803-3380-7-git-send-email-lersek@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-04-04 19:23:08 -05:00
Laszlo Ersek
0c764a9dfc acpi_table_add(): accept QemuOpts and parse it with OptsVisitor
As one consequence, strtok() -- which modifies its argument -- is replaced
with g_strsplit().

Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Anthony Liguori <aliguori@us.ibm.com>
Message-id: 1363821803-3380-6-git-send-email-lersek@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-04-04 19:23:08 -05:00
Laszlo Ersek
8ccbad5c7b qapi schema: add AcpiTableOptions
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Anthony Liguori <aliguori@us.ibm.com>
Message-id: 1363821803-3380-5-git-send-email-lersek@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-04-04 19:23:08 -05:00
Laszlo Ersek
445d9cae37 acpi_table_add(): report fatal errors through an internal Error object
The upcoming changes will need a cleanup section at the end of the
function, plus OptsVisitor reports errors via Error. For now keep
channeling any Errors to stderr.

Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Anthony Liguori <aliguori@us.ibm.com>
Message-id: 1363821803-3380-4-git-send-email-lersek@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-04-04 19:23:08 -05:00
Laszlo Ersek
cb88a4ea79 change element type from "char" to "unsigned char" in ACPI table data
The data is binary, not textual.

Also, acpi_table_add() abuses the "char *f" pointer -- which normally
points to file names to load -- to poke into the table. Introduce "char
unsigned *table_start" for that purpose.

Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Anthony Liguori <aliguori@us.ibm.com>
Message-id: 1363821803-3380-3-git-send-email-lersek@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-04-04 19:23:08 -05:00
Laszlo Ersek
4d8b3c6302 strip some whitespace
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Anthony Liguori <aliguori@us.ibm.com>
Message-id: 1363821803-3380-2-git-send-email-lersek@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-04-04 19:23:08 -05:00
Hans de Goede
b9936159ff ipoctal232: Convert to use chardev properties directly
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Alberto Garcia <agarcia@igalia.com>
Message-id: 1364412581-3672-4-git-send-email-hdegoede@redhat.com
Cc: Alberto Garcia <agarcia@igalia.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-04-04 19:21:26 -05:00
Hans de Goede
456d606923 qemu-char: Call fe_claim / fe_release when not using qdev chr properties
chardev-frontends need to explictly check, increase and decrement the
avail_connections "property" of the chardev when they are not using a
qdev-chardev-property for the chardev.

This fixes things like:
qemu-kvm -chardev stdio,id=foo -device isa-serial,chardev=foo \
  -mon chardev=foo

Working, where they should fail. Most of the changes here are due to
old hardware emulation code which is using serial_hds directly rather then
a qdev-chardev-property.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Message-id: 1364412581-3672-3-git-send-email-hdegoede@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-04-04 19:21:25 -05:00
Hans de Goede
44c473decd qemu-char: Add qemu_chr_fe_claim / _release helper functions
Add qemu_chr_fe_claim / _release helper functions for properly dealing with
avail_connections.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Message-id: 1364412581-3672-2-git-send-email-hdegoede@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-04-04 19:21:25 -05:00
Peter Crosthwaite
4dbb9ed326 xilinx_axienet: pump events as appropriate
When the conditions blocking receiving are cleared, check for buffered rx
packets.

Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
2013-04-04 00:55:03 +02:00
Kevin Wolf
bd4a47330e po: Update German translation
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2013-04-04 00:28:37 +02:00
Kevin Wolf
a23da65924 po/Makefile: Fix dependency for %.mo
Otherwise make will refuse to build updated .po files.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2013-04-04 00:28:37 +02:00
Jason Wang
ec3960148f help: add docs for missing 'queues' option of tap
Cc: Markus Armbruster <armbru@redhat.com>
Cc: qemu-stable@nongnu.org
Signed-off-by: Jason Wang <jasowang@redhat.com>
Message-id: 1361545072-30426-1-git-send-email-jasowang@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-04-03 15:09:07 -05:00
Bruce Rogers
560e639652 acpi: initialize s4_val used in s4 shutdown
While investigating why a 32 bit Windows 2003 guest wasn't able to
successfully perform a shutdown /h, it was discovered that commit
afafe4bbe0 inadvertently dropped the
initialization of the s4_val used to handle s4 shutdown.
Initialize the value as before.

Signed-off-by: Bruce Rogers <brogers@suse.com>
Message-id: 1364928100-487-1-git-send-email-brogers@suse.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-04-03 15:06:44 -05:00
Eduardo Habkost
a509d632c8 target-i386: Check for host features before filter_features_for_kvm()
commit 5ec01c2e96 broke "-cpu ..,enforce",
as it has moved kvm_check_features_against_host() after the
filter_features_for_kvm() call. filter_features_for_kvm() removes all
features not supported by the host, so this effectively made
kvm_check_features_against_host() impossible to fail.

This patch changes the call so we check for host feature support before
filtering the feature bits.

Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Message-id: 1364935692-24004-1-git-send-email-ehabkost@redhat.com
Cc: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-04-03 15:06:37 -05:00
Stefan Weil
8243b0464b tpm: Fix several compiler warnings (redefined data types)
Signed-off-by: Stefan Weil <sw@weilnetz.de>
Message-id: 1364933691-21197-1-git-send-email-sw@weilnetz.de
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-04-03 15:06:03 -05:00
Anthony Liguori
eabb21aac9 Merge remote-tracking branch 'sstabellini/xen-2013-04-03' into staging
# By Hanweidong (1) and Stefano Stabellini (1)
# Via Stefano Stabellini
* sstabellini/xen-2013-04-03:
  xen-mapcache: pass the right size argument to test_bits
  xen-mapcache: replace last_address_index with a last_entry pointer
2013-04-03 15:05:52 -05:00
Hanweidong
044d4e1aae xen-mapcache: pass the right size argument to test_bits
Compute the correct size for test_bits().
qemu_get_ram_ptr() and qemu_safe_ram_ptr() will call xen_map_cache()
with size is 0 if the requested address is in the RAM.  Then
xen_map_cache() will pass the size 0 to test_bits() for checking if the
corresponding pfn was mapped in cache. But test_bits() will always
return 1 when size is 0 without any bit testing. Actually, for this
case, test_bits should check one bit. So this patch introduced a
__test_bit_size which is greater than 0 and a multiple of XC_PAGE_SIZE,
then test_bits can work correctly with __test_bit_size
>> XC_PAGE_SHIFT as its size.

Signed-off-by: Zhenguo Wang <wangzhenguo@huawei.com>
Signed-off-by: Weidong Han <hanweidong@huawei.com>
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
2013-04-03 11:51:53 +00:00
Stefano Stabellini
e2deee3ea6 xen-mapcache: replace last_address_index with a last_entry pointer
Replace last_address_index and last_address_vaddr with a single pointer
to the last MapCacheEntry used.

Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
2013-04-03 11:51:52 +00:00
Anthony Liguori
162cbbd173 Merge remote-tracking branch 'luiz/queue/qmp' into staging
# By Stefan Hajnoczi
# Via Luiz Capitulino
* luiz/queue/qmp:
  chardev: clear O_NONBLOCK on SCM_RIGHTS file descriptors
  qemu-socket: set passed fd non-blocking in socket_connect()
  net: ensure "socket" backend uses non-blocking fds
  oslib-posix: rename socket_set_nonblock() to qemu_set_nonblock()
2013-04-02 14:07:35 -05:00
Paolo Bonzini
9d4563c415 configure: remove unset variables
These variables have not been set for a long time.  Do not
include them in config-host.mak.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 1364918276-11866-1-git-send-email-pbonzini@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-04-02 14:05:15 -05:00
Stefan Hajnoczi
9b938c7262 chardev: clear O_NONBLOCK on SCM_RIGHTS file descriptors
When we receive a file descriptor over a UNIX domain socket the
O_NONBLOCK flag is preserved.  Clear the O_NONBLOCK flag and rely on
QEMU file descriptor users like migration, SPICE, VNC, block layer, and
others to set non-blocking only when necessary.

This change ensures we don't accidentally expose O_NONBLOCK in the QMP
API.  QMP clients should not need to get the non-blocking state
"correct".

A recent real-world example was when libvirt passed a non-blocking TCP
socket for migration where we expected a blocking socket.  The source
QEMU produced a corrupted migration stream since its code did not cope
with non-blocking sockets.

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2013-04-02 11:47:37 -04:00
Stefan Hajnoczi
1a751ebfbb qemu-socket: set passed fd non-blocking in socket_connect()
socket_connect() sets non-blocking on TCP or UNIX domain sockets if a
callback function is passed.  Do the same for file descriptor passing,
otherwise we could unexpectedly be using a blocking file descriptor.

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2013-04-02 11:47:37 -04:00
Stefan Hajnoczi
fc13fa00ea net: ensure "socket" backend uses non-blocking fds
There are several code paths in net_init_socket() depending on how the
socket is created: file descriptor passing, UDP multicast, TCP, or UDP.
Some of these support both listen and connect.

Not all code paths set the socket to non-blocking.  This patch addresses
the file descriptor passing and UDP cases which were missing
socket_set_nonblock(fd) calls.

I considered moving socket_set_nonblock(fd) to a central location but it
turns out the code paths are different enough to require non-blocking at
different places.

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2013-04-02 11:47:37 -04:00
Stefan Hajnoczi
f9e8cacc55 oslib-posix: rename socket_set_nonblock() to qemu_set_nonblock()
The fcntl(fd, F_SETFL, O_NONBLOCK) flag is not specific to sockets.
Rename to qemu_set_nonblock() just like qemu_set_cloexec().

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2013-04-02 11:47:37 -04:00
Wenchao Xia
c707582b78 VMXNET3: initialize rx_ridx to eliminate compile warning
Gcc report "hw/vmxnet3.c:972: error: ‘rx_ridx’ may be used
uninitialized in this function", so fix it.

Signed-off-by: Wenchao Xia <xiawenc@linux.vnet.ibm.com>
Message-id: 1364264646-27542-1-git-send-email-xiawenc@linux.vnet.ibm.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-04-02 08:15:40 -05:00
Anthony Liguori
b1ee58290d qdev: only send deleted event if device was realized
Reported-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Message-id: 1364402174-16580-1-git-send-email-aliguori@us.ibm.com
2013-04-02 08:15:25 -05:00
Stefan Berger
8f0605cc9c QOM-ify the TPM support
QOM-ified the TPM support with much code borrowed from the rng implementation.

All other TPM related code moves will be provided in a subsequent patch.

Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Message-id: 1364469981.24703.1.camel@d941e-10
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-04-02 08:15:18 -05:00
Anthony Liguori
684a096eaf qemu-char: rewrite io_channel_send_all and drop the '_all' suffix
The current code is oddly written and have equally odd semantics.
Despite the '_all' suffix, upon EAGAIN the result will be a partial
write but instead of returning the partial write, we return EAGAIN.

Change the behavior to write as much as we can until we get an EAGAIN
returning a partial write if we do.

Reported-by: Amit Shah <amit.shah@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Message-id: 1364575190-731-1-git-send-email-aliguori@us.ibm.com
2013-04-02 08:13:58 -05:00
Stefan Weil
d819cdccff ui/gtk: Set QEMU window icon
The QEMU icon which is already used for SDL
is now also loaded by GTK.

Signed-off-by: Stefan Weil <sw@weilnetz.de>
Message-id: 1364653300-26813-1-git-send-email-sw@weilnetz.de
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-04-02 08:13:51 -05:00
Aurelien Jarno
77cfd14c9f po: add French translation
Cc: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Reviewed-by: Anthony Liguori <aliguori@us.ibm.com>
Message-id: 1364836326-8707-6-git-send-email-aurelien@aurel32.net
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-04-02 08:13:32 -05:00
Aurelien Jarno
9b6926e4e3 po: update existing translation files
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Kevin Wolf <kwolf@redhat.com>
Cc: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Reviewed-by: Anthony Liguori <aliguori@us.ibm.com>
Message-id: 1364836326-8707-5-git-send-email-aurelien@aurel32.net
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-04-02 08:13:32 -05:00
Aurelien Jarno
1b33b354b4 po/Makefile: correctly pass QEMU version
Cc: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Reviewed-by: Anthony Liguori <aliguori@us.ibm.com>
Message-id: 1364836326-8707-4-git-send-email-aurelien@aurel32.net
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-04-02 08:13:31 -05:00
Aurelien Jarno
f84756554e po/Makefile: simplify
In the hope we get more translations, we should not have to modify
po/Makefile for each of them.

Cc: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Reviewed-by: Anthony Liguori <aliguori@us.ibm.com>
Message-id: 1364836326-8707-3-git-send-email-aurelien@aurel32.net
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-04-02 08:13:31 -05:00
Aurelien Jarno
d8da9ee847 gtk: make more messages translatable
Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Reviewed-by: Anthony Liguori <aliguori@us.ibm.com>
Message-id: 1364836326-8707-2-git-send-email-aurelien@aurel32.net
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-04-02 08:13:31 -05:00
Amos Kong
4690579e9b append the terminating '\0' to bootorder string
Problem was introduced in commit c8a6ae8b. The last terminating
'\0' was lost, use the right length 5 ("HALT\0").

Reported-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Amos Kong <akong@redhat.com>
Message-id: 1363774594-21001-1-git-send-email-akong@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-04-02 08:13:22 -05:00
Anthony Liguori
a130c6b2b1 vfio-pci pull request 20130401
-----BEGIN PGP SIGNATURE-----
 Version: GnuPG v1.4.13 (GNU/Linux)
 
 iQIcBAABAgAGBQJRWeK9AAoJECObm247sIsiU8EP/2i0jOwlFVW7ujp0bb3seGCs
 BbkVESc2ZsvHNvKmTjW7BK23ZjYrF3vYCSpZedsJztD07S85rng4hZlL5d8R6kt/
 1JXLehNvclcIRwnbz25bP+AFe7UHRLEqRN5q15T+b/Rpun5PmY4Wq6rCVte5K68S
 fwvXtwfvtX1qHFbRdUlw2tOwfjK6HNisQbcYlaxR+wuLpmfrGtTBBApdbHsPF75e
 T52zi7o3yGIsITujwe3J9Siur3c/0razBcB3fhg5YNJG5swisNPCfCRPe6wZIT6P
 CXu4+X+5V0vMU6M8QcN65NybfVmH1vOxALFoQ3gaFjX80XOCVpeECECCOyhFrjqu
 CZgTRE5ZsLXNfH6AAiV51s+np5nMyeiiRpzMyK/hp5++Eb79Xtcb2Z9m2GN7Pxhf
 iX6pgkS+E/DjfEuLt2btIMmy01EJuKQNe6zV/AcGOrlyHXkA40ZXemyE9ThgpPDA
 UcIRXDfCzRJrFx0ERJ/ecTrU9gHjH8WRmqc59kOltAOchAFFRQVQymfhhRk9s4jV
 C2V3zpHHFAuoUGbfayJaNPK+ukXxCo9SnXb0dAIaC4+H4O7AQEP/ZDZCOSuicWOC
 6O/3JIKEf+P3x9LZNmTYauJy+9C3MwIRWHRelA9w3QorKeLAEM4zvkBYkuivGnGV
 m+Kl1DyRd/VZk4spK50f
 =9CLK
 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'awilliam/tags/vfio-pci-for-qemu-20130401.0' into staging

vfio-pci pull request 20130401

# gpg: Signature made Mon 01 Apr 2013 02:40:45 PM CDT using RSA key ID 3BB08B22
# gpg: Can't check signature: public key not found

# By Alex Williamson
# Via Alex Williamson
* awilliam/tags/vfio-pci-for-qemu-20130401.0:
  vfio: cleanup includes
  vfio: Add bootindex support
  vfio-pci: Move devices to D0 on reset
  vfio-pci: Add extra debugging
  qemu vfio-pci: Graphics device quirks
  qemu vfio-pci: Add support for VGA MMIO and I/O port access
  vfio-pci: Add PCIe capability mangling based on bus type
  vfio-pci: Generalize PCI config mangling
  linux-headers: Update to v3.9-rc2
2013-04-02 08:12:16 -05:00
Edgar E. Iglesias
5d45de9796 microblaze: Add support for the sleep insn
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
2013-04-02 10:47:29 +02:00
Alex Williamson
6dcfdbad69 vfio: cleanup includes
Starting to get messy, put the back in alphabetical order.

Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
2013-04-01 13:35:40 -06:00
Alex Williamson
c29029dd88 vfio: Add bootindex support
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
2013-04-01 13:35:24 -06:00
Alex Williamson
ba66181828 vfio-pci: Move devices to D0 on reset
Guests may leave devices in a low power state at reboot, but we expect
devices to be woken up for the next boot.  Make this happen.

Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
2013-04-01 13:35:08 -06:00
Alex Williamson
82ca891283 vfio-pci: Add extra debugging
Often when debugging it's useful to be able to disable bypass paths
so no interactions with the device are missed.  Add some extra debug
options to do this.  Also add device info on read/write BAR accesses,
which is useful when debugging more than one assigned device.  A
couple DPRINTFs also had redundant "vfio:" prefixes.

Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
2013-04-01 13:34:56 -06:00
Alex Williamson
7076eabcbf qemu vfio-pci: Graphics device quirks
Graphics cards have a number of different backdoors.  Some of these
are alternative ways to get PCI BAR addresses, some of them are
complete mirrors of PCI config space available through MMIO and
I/O port access.  These quirks cover a number of ATI Radeon and
Nvidia devices.  On the ATI/AMD side, this should enable HD5450
and HD7850 and hopefully a host of devices around those generations.
For Nvidia, my card selection is much more dated.  A 8400gs works
well with both the Window shipped driver and the Nvidia downloaded
driver.  A 7300le works as well, with the caveat that generating
the Window experience index with the Nvidia driver causes the card
to reset several times before generating a BSOD.  An NVS 290 card
seems to run well with the shipped Windows driver, but generates
a BSOD with the Nvidia driver.  All of the Nvidia devices work with
the Linux Nvidia proprietary driver and nouveau, the HD5450 works
with either radeon or fglrx, HD7850 works with vesa and fglrx (not
supported by radeon).  Extremely limited 3D testing.

Device reset is also an issue with graphics.  It's unfortunately
very common that the devices offer no means to reset the card or
doesn't seem effective.  Nvidia devices are pretty good about being
able to get the device to a working state through the VGA BIOS init,
Radeon devices less so, and often require a host reboot.  Work
remains to be done here.

Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
2013-04-01 13:34:40 -06:00
Alex Williamson
f15689c7e4 qemu vfio-pci: Add support for VGA MMIO and I/O port access
Most VGA cards need some kind of quirk to fully operate since they
hide backdoors to get to other registers outside of PCI config space
within the registers, but this provides the base infrastructure.  If
we could identity map PCI resources for assigned devices we would need
a lot fewer quirks.

To enable this, use a kernel side vfio-pci driver that incorporates
VGA support (v3.9), and use the -vga none option and add the x-vga=on
option for the vfio-pci device.  The "x-" denotes this as an
experimental feature.  You may also need to use a cached copy of the
VGA BIOS for your device, passing it to vfio-pci using the romfile=
option.

Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
2013-04-01 13:33:44 -06:00