Commit Graph

10769 Commits

Author SHA1 Message Date
Peter Crosthwaite 24e822ea46 net/cadence_gem: Implement mac level loopback mode
Cadence GEM has a MAC level loopback mode. Implement. Use the same basic
operation as the already implemented PHY loopback.

Reported-by: Deepika Dhamija <deepika@xilinx.com>
Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 3a0baf1b6b2fc1be638bdf1a37408ec38988e970.1386136219.git.peter.crosthwaite@xilinx.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2013-12-10 13:28:49 +00:00
Peter Maydell 198aa06459 hw/arm/virt: Support -cpu host
Support -cpu host in virt machine (treating it like an A15, ie
with a GIC v2 and the A15's private peripherals.)

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Christoffer Dall <christoffer.dall@linaro.org>
Message-id: 1385140638-10444-12-git-send-email-peter.maydell@linaro.org
2013-12-10 13:28:49 +00:00
Peter Maydell f5fdcd6e58 hw/arm: Add 'virt' platform
Add 'virt' platform support corresponding to arch/arm/mach-virt
in the Linux kernel tree. This has no platform-specific code but
can use any device whose kernel driver is is able to work purely
from a device tree node. We use this to instantiate a minimal
set of devices: a GIC and some virtio-mmio transports.

Signed-off-by: John Rigby <john.rigby@linaro.org>
Reviewed-by: Christoffer Dall <christoffer.dall@linaro.org>
Message-id: 1385140638-10444-8-git-send-email-peter.maydell@linaro.org
[PMM:
 Significantly overhauled:
 * renamed user-facing machine to just "virt"
 * removed the A9 support (it can't work since the A9 has no
   generic timers)
 * added virtio-mmio transports instead of random set of 'soc' devices
   (though we retain a pl011 UART)
 * instead of updating io_base as we step through adding devices,
   define a memory map with an array (similar to vexpress)
 * similarly, define irqmap with an array
 * folded in some minor fixes from John's aarch64-support patch
 * rather than explicitly doing endian-swapping on FDT cells,
   use fdt APIs that let us just pass in host-endian values
   and let the fdt layer take care of the swapping
 * miscellaneous minor code cleanups and style fixes
]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2013-12-10 13:28:30 +00:00
John Rigby 0fb79851c3 hw/arm/boot: Allow boards to provide an fdt blob
If no fdt is provided on command line and the new field
get_dtb in struct arm_boot_info is set then call it to
get a device tree blob.

Signed-off-by: John Rigby <john.rigby@linaro.org>
Reviewed-by: Christoffer Dall <christoffer.dall@linaro.org>
Message-id: 1385140638-10444-4-git-send-email-peter.maydell@linaro.org
[PMM: minor tweaks and cleanup]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2013-12-10 13:28:30 +00:00
François LEGAL 57e72f2a19 cpu/a9mpcore: Add Global Timer
Add the global timer to A9 MPCore.

Signed-off-by: François LEGAL <devel@thom.fr.eu.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: ff92f35f438ac671b57d99d823723dd3e62d2c49.1385969450.git.peter.crosthwaite@xilinx.com
[PC Changes:
 * new commit message
 * split off original version as a separate patch
 * Rebased against new mpcore implementation (with struct embedding)
]
Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2013-12-10 13:28:25 +00:00
Peter Crosthwaite c21c3b53e1 hw/timer: Introduce ARM A9 Global Timer.
The ARM A9 MPCore has a timer that is global to all cores in the cluster.
The timer is shared but each core has a private independent comparator
and interrupt.

Based on version contributed by Francois LEGAL.

Signed-off-by: François LEGAL <devel@thom.fr.eu.org>
Message-id: 4918e89476b8da916be2964ec41578b50d569a37.1385969450.git.peter.crosthwaite@xilinx.com
[PC changes:
 * New commit message
 * Re-implemented as single timer model
 * Fixed backwards counting issue in polled mode
 * completed VMSD fields
 * macroified magic numbers (and headerified reg definitions)
 * split of as device-model-only patch
 * use bitops for 64 bit register access
 * Fixed auto increment mode to check condition properly
 * general cleanup (names/style etc).
]
Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
[PMM:
 * minor typo fixes
 * added missing return after error_setg()
 * dropped setting dc->no_user = 1
]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2013-12-10 13:24:51 +00:00
Peter Crosthwaite 4c25f365ab cpu/a9mpcore: reorder operations/declarations
To make it consistent for easier code reading. The order in which
variables are defined and functions are called is set to match the
address map ordering.

The new consistent order of doing stuff is:

SCU -> GIC -> MPTimer -> WDT.

0 functional change.

Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 8f31398e6d9a93f57291399f269039da1a77a2b5.1385969450.git.peter.crosthwaite@xilinx.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2013-12-10 13:24:51 +00:00
Peter Crosthwaite d3053e6be5 cpu/a9mpcore: rename timerbusdev variable
Rename this variable for consistency with the above defined mptimerdev
variable.

Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 28939ef95589a62414634e86c47cef76b21b15f7.1385969450.git.peter.crosthwaite@xilinx.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2013-12-10 13:24:51 +00:00
Jan Petrous f53977f788 integrator/cp: add support for REFCNT register
Linux kernel from version 3.4 requires CM_REFCNT register for sched timer
for Integrator/CP board (integrator_defconfig).

See http://infocenter.arm.com/help/topic/com.arm.doc.dui0138e/ch04s06s11.html

Signed-off-by: Jan Petrous <jan.petrous@tieto.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2013-12-10 13:24:51 +00:00
Anthony Liguori d2aa90cda8 vfio-pci updates include:
- Update linux-headers to include KVM-VFIO device support
  - Enable QEMU support for KVM-VFIO device
  - Additional Nvidia x-vga quirk to ACK MSI interrupts
  - Debug options to disable MSI/X KVM acceleration
  - Fix to cleanup MSI-X vectors on shutdown and avoid IRQ route leaks
 
 The KVM-VFIO device support enables KVM to manage how it handles
 coherency instructions in the presence of non-coherent I/O.  Dave
 Airlie had noted that the Nvidia MSI ACK support here may just be
 scratching the surface, but it's better than what we have now and
 it's only enabled via the x-vga option, so I'm willing to add since
 it does enable some users.
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Merge remote-tracking branch 'awilliam/tags/vfio-pci-for-qemu-20131206.0' into staging

vfio-pci updates include:
 - Update linux-headers to include KVM-VFIO device support
 - Enable QEMU support for KVM-VFIO device
 - Additional Nvidia x-vga quirk to ACK MSI interrupts
 - Debug options to disable MSI/X KVM acceleration
 - Fix to cleanup MSI-X vectors on shutdown and avoid IRQ route leaks

The KVM-VFIO device support enables KVM to manage how it handles
coherency instructions in the presence of non-coherent I/O.  Dave
Airlie had noted that the Nvidia MSI ACK support here may just be
scratching the surface, but it's better than what we have now and
it's only enabled via the x-vga option, so I'm willing to add since
it does enable some users.

# gpg: Signature made Fri 06 Dec 2013 12:28:19 PM PST 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-20131206.0:
  vfio-pci: Release all MSI-X vectors when disabled
  vfio-pci: Add debug config options to disable MSI/X KVM support
  vfio-pci: Fix Nvidia MSI ACK through 0x88000 quirk
  vfio-pci: Make use of new KVM-VFIO device
  linux-headers: Update from v3.13-rc3

Message-id: 20131206204715.16731.12627.stgit@bling.home
Signed-off-by: Anthony Liguori <aliguori@amazon.com>
2013-12-07 07:47:24 -08:00
Anthony Liguori 93531372f0 Merge remote-tracking branch 'stefanha/block' into staging
# By Paolo Bonzini (17) and others
# Via Stefan Hajnoczi
* stefanha/block: (48 commits)
  qemu-iotests: filter QEMU monitor \r\n
  aio: make aio_poll(ctx, true) block with no fds
  block: clean up bdrv_drain_all() throttling comments
  qcow2: use start_of_cluster() and offset_into_cluster() everywhere
  qemu-img: decrease progress update interval on convert
  qemu-img: round down request length to an aligned sector
  qemu-img: dynamically adjust iobuffer size during convert
  block/iscsi: set bs->bl.opt_transfer_length
  block: add opt_transfer_length to BlockLimits
  block/iscsi: set bdi->cluster_size
  qemu-img: fix usage instruction for qemu-img convert
  qemu-img: add support for skipping zeroes in input during convert
  qemu-nbd: add doc for option -f
  qemu-iotests: add test for snapshot in qemu-img convert
  qemu-img: add -l for snapshot in convert
  qemu-iotests: add 058 internal snapshot export with qemu-nbd case
  qemu-nbd: support internal snapshot export
  snapshot: distinguish id and name in load_tmp
  qemu-iotests: Split qcow2 only cases in 048
  qemu-iotests: Clean up spaces in usage output
  ...

Message-id: 1386347807-27359-1-git-send-email-stefanha@redhat.com
Signed-off-by: Anthony Liguori <aliguori@amazon.com>
2013-12-07 07:35:31 -08:00
Anthony Liguori 3c88da3c24 Update seabios to master snapshot (pre-1.7.4).
Update vgabios, switch from lgplvgabios to seavgabios.
 Update build process to build both 128k and 256k bios versions.
 Use 256k bios for pc-*-2.0+ machine types.
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Merge remote-tracking branch 'kraxel/tags/pull-seabios-31b8b4e-1' into staging

Update seabios to master snapshot (pre-1.7.4).
Update vgabios, switch from lgplvgabios to seavgabios.
Update build process to build both 128k and 256k bios versions.
Use 256k bios for pc-*-2.0+ machine types.

# gpg: Signature made Fri 06 Dec 2013 12:01:24 AM PST using RSA key ID D3E87138
# gpg: Can't check signature: public key not found

# By Gerd Hoffmann
# Via Gerd Hoffmann
* kraxel/tags/pull-seabios-31b8b4e-1:
  pc: switch 2.0 machine types to large seabios binary
  roms: update vgabios binaries
  roms: update seabios binaries
  roms: enable seabios cross builds
  roms: build two seabios binaries
  roms: update seabios submodule to 31b8b4eea9d9ad58a73b22a6060d3ac1c419c26d
  add firmware to machine options
  add pc-{i440fx,q35}-2.0 machine types

Message-id: 1386322527-23148-1-git-send-email-kraxel@redhat.com
Signed-off-by: Anthony Liguori <aliguori@amazon.com>
2013-12-07 07:35:16 -08:00
Anthony Liguori 9ed5dacbfa Merge remote-tracking branch 'sstabellini/xen-2013-12-01' into staging
# By Paul Durrant (1) and Wei Liu (1)
# Via Stefano Stabellini
* sstabellini/xen-2013-12-01:
  xen-pvdevice: make device-id property compulsory
  xen: fix two errors when debug is enabled

Message-id: alpine.DEB.2.02.1312011829000.3198@kaball.uk.xensource.com
Signed-off-by: Anthony Liguori <aliguori@amazon.com>
2013-12-06 12:58:28 -08:00
Anthony Liguori e679f05248 Improvements for usb3 bulk stream (usb core, xhci).
Bugfixes for uas emulation.
 Add remote wakeup support for ehci.
 Add suspend support for xhci.
 Misc minor tweaks and fixes.
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Merge remote-tracking branch 'kraxel/tags/pull-usb-1' into staging

Improvements for usb3 bulk stream (usb core, xhci).
Bugfixes for uas emulation.
Add remote wakeup support for ehci.
Add suspend support for xhci.
Misc minor tweaks and fixes.

# gpg: Signature made Thu 28 Nov 2013 11:44:49 PM PST using RSA key ID D3E87138
# gpg: Can't check signature: public key not found

# By Hans de Goede (11) and others
# Via Gerd Hoffmann
* kraxel/tags/pull-usb-1:
  usb: move usb_{hi,lo} helpers to header file.
  usb: add vendor request defines
  trace-events: Clean up after removal of old usb-host code
  Revert "usb-tablet: Don't claim wakeup capability for USB-2 version"
  ehci: implement port wakeup
  xhci: Call usb_device_alloc/free_streams
  usb: Add usb_device_alloc/free_streams
  usb: Add max_streams attribute to endpoint info
  uas: s/ui/iu/
  uas: Fix response iu struct definition
  uas: Bounds check tags when using streams
  uas: Streams are numbered 1-y, rather then 0-x
  uas: Fix / cleanup usb_uas_task error handling
  uas: Only use report iu-s for task_mgmt status reporting
  scsi: Add 2 new sense codes needed by uas
  xhci: add support for suspend/resume
  xhci: Add a few missing checks for disconnected devices

Message-id: 1385712381-30918-1-git-send-email-kraxel@redhat.com
Signed-off-by: Anthony Liguori <aliguori@amazon.com>
2013-12-06 12:54:36 -08:00
Antony Pavlov 6fedcaa1c5 eeprom93xx: fix coding style
scripts/checkpatch.pl reports about some style problems,
this commit fixes some of them:

ERROR: space prohibited before open square bracket '['
+    .fields      = (VMStateField []) {

ERROR: space prohibited after that '!' (ctx:BxW)
+    if (! eeprom->eecs && eecs) {
         ^

ERROR: space prohibited after that '!' (ctx:WxW)
+    } else if (eeprom->eecs && ! eecs) {
                                ^

ERROR: space prohibited after that '!' (ctx:WxW)
+    } else if (eecs && ! eeprom->eesk && eesk) {
                        ^

ERROR: switch and case should be at the same indent
                     switch (address >> (eeprom->addrbits - 2)) {
+                        case 0:
[...]
+                        case 1:
[...]
+                        case 2:
[...]
+                        case 3:

ERROR: return is not a function, parentheses are not required
+    return (eeprom->eedo);

ERROR: switch and case should be at the same indent
     switch (nwords) {
+        case 16:
+        case 64:
[...]
+        case 128:
+        case 256:
[...]
+        default:

Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com>
Cc: Stefan Weil <sw@weilnetz.de>
Reviewed-by: Stefan Weil <sw@weilnetz.de>
Cc: qemu-trivial@nongnu.org
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2013-12-06 22:56:51 +04:00
Alex Williamson 3e40ba0faf vfio-pci: Release all MSI-X vectors when disabled
We were relying on msix_unset_vector_notifiers() to release all the
vectors when we disable MSI-X, but this only happens when MSI-X is
still enabled on the device.  Perform further cleanup by releasing
any remaining vectors listed as in-use after this call.  This caused
a leak of IRQ routes on hotplug depending on how the guest OS prepared
the device for removal.

Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Cc: qemu-stable@nongnu.org
2013-12-06 11:16:40 -07:00
Alex Williamson b3ebc10c37 vfio-pci: Add debug config options to disable MSI/X KVM support
It's sometimes useful to be able to verify interrupts are passing
through correctly.

Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
2013-12-06 11:16:29 -07:00
Alex Williamson 96eeeba0db vfio-pci: Fix Nvidia MSI ACK through 0x88000 quirk
When MSI is enabled on Nvidia GeForce cards the driver seems to
acknowledge the interrupt by writing a 0xff byte to the MSI capability
ID register using the PCI config space mirror at offset 0x88000 from
BAR0.  Without this, the device will only fire a single interrupt.
VFIO handles the PCI capability ID/next registers as virtual w/o write
support, so any write through config space is currently dropped.  Add
a check for this and allow the write through the BAR window.  The
registers are read-only anyway.

Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
2013-12-06 11:16:23 -07:00
Alex Williamson 5b49ab188f vfio-pci: Make use of new KVM-VFIO device
Add and remove groups from the KVM virtual VFIO device as we make
use of them.  This allows KVM to optimize for performance and
correctness based on properties of the group.

Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
2013-12-06 11:16:13 -07:00
Gerd Hoffmann bcf2b7d2af pc: switch 2.0 machine types to large seabios binary
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2013-12-06 08:55:42 +01:00
Paolo Bonzini 84f94a9a82 scsi-disk: correctly implement WRITE SAME
Fetch the data to be written from the input buffer.  If it is all zeroes,
we can use the write_zeroes call (possibly with the new MAY_UNMAP flag).
Otherwise, do as many write cycles as needed, writing 512k at a time.

Strictly speaking, this is still incorrect because a zero cluster should
only be written if the MAY_UNMAP flag is set.  But this is a bug in qcow2
and the other formats, not in the SCSI code.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-12-03 15:26:49 +01:00
Paolo Bonzini 823bd7391c scsi-disk: reject ANCHOR=1 for UNMAP and WRITE SAME commands
Since we report ANC_SUP==0 in VPD page B2h, we need to return
an error (ILLEGAL REQUEST/INVALID FIELD IN CDB) for all WRITE SAME
requests with ANCHOR==1.

Inspired by a similar patch to the LIO in-kernel target.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-12-03 15:26:49 +01:00
Paolo Bonzini c5fd1fb038 scsi-disk: catch write protection errors in UNMAP
This is the same that is already done for WRITE SAME.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-12-03 15:26:49 +01:00
Michael Tokarev a6b6d08a3b hw/ppc/mac.h: remove unused BIOS_FILENAME definition
This definition has been moved to prep.c.

Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2013-12-02 21:18:18 +04:00
Zhi Yong Wu cb77e35815 virtio-net: fix the indent
Signed-off-by: Zhi Yong Wu <wuzhy@linux.vnet.ibm.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2013-12-02 21:04:07 +04:00
Stefan Weil 1246b259f8 misc: Replace 'struct QEMUTimer' by 'QEMUTimer'
Most code already used QEMUTimer without the redundant 'struct' keyword.

Signed-off-by: Stefan Weil <sw@weilnetz.de>
Reviewed-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2013-12-02 21:03:39 +04:00
Stefan Weil 867d898ccf acpi-build: Fix compiler warning (missing gnu_printf format attribute)
gcc 4.8.2 reports this warning when extra warnings are enabled (-Wextra):

  CC    m68k-softmmu/hw/m68k/mcf5206.o
hw/i386/acpi-build.c: In function ‘build_append_nameseg’:
hw/i386/acpi-build.c:294:5: error:
 function might be possible candidate for ‘gnu_printf’ format attribute [-Werror=suggest-attribute=format]
     g_string_vprintf(s, format, args);
     ^

When this warning is fixed, there is a new compiler warning:

  CC    i386-softmmu/hw/i386/acpi-build.o
hw/i386/acpi-build.c: In function ‘build_append_notify’:
hw/i386/acpi-build.c:632:5: error:
 format not a string literal and no format arguments [-Werror=format-security]
     build_append_nameseg(method, name);
     ^

This is fixed here, too.

Signed-off-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2013-12-02 21:02:57 +04:00
Stefan Weil 1226961622 trace: Remove trace.h from hw/usb/hcd-ehci.h (less dependencies)
This reduces the dependencies on trace.h.
Only one source file which needs hcd-ehci.h also needs trace.h.

Signed-off-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2013-12-02 21:02:00 +04:00
Stefan Weil ac86048bcd trace: Remove trace.h from console.h (less dependencies)
This reduces the dependencies on trace.h.
Only two source files which need console.h also need trace.h.

Signed-off-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2013-12-02 21:02:00 +04:00
Gerd Hoffmann aeca6e8d8b add pc-{i440fx,q35}-2.0 machine types
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2013-12-02 13:03:04 +01:00
Paul Durrant 539891a85d xen-pvdevice: make device-id property compulsory
The intention of the Xen PV device is that it is used as a parent
device for PV drivers in Xen HVM guests and the set of PV drivers that
bind to the device is determined by its device ID (and possibly
vendor ID and revision). As such, the device should not have a default
device ID, it should always be supplied by the Xen toolstack.

Signed-off-by: Paul Durrant <paul.durrant@citrix.com>
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
2013-12-01 18:25:48 +00:00
Wei Liu d18e173a07 xen: fix two errors when debug is enabled
This patch fixes:
1. build error in xen_pt.c when XEN_PT_LOGGING_ENABLED is defined
2. debug output format string error when DEBUG_XEN is defined

In the second case I also have the output info in consistent with the
output in mapping function - that is, print start_addr instead of
phys_offset.

Signed-off-by: Sander Eikelenboom <linux@eikelenboom.it>
Signed-off-by: Wei Liu <wei.liu2@citrix.com>
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
2013-12-01 18:25:48 +00:00
Gerd Hoffmann 0b1fa34e1d usb: move usb_{hi,lo} helpers to header file.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2013-11-28 15:39:27 +01:00
Gerd Hoffmann 690af06aeb Revert "usb-tablet: Don't claim wakeup capability for USB-2 version"
This reverts commit aa1c9e971e.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2013-11-28 15:39:27 +01:00
Gerd Hoffmann e489df40ca ehci: implement port wakeup
Update portsc register and raise irq in case a suspended
port is woken up, so remote wakeup works on our ehci ports.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2013-11-28 15:39:27 +01:00
Hans de Goede 72391da506 xhci: Call usb_device_alloc/free_streams
Note this code is not as KISS as I would like, the reason for this is that
the Linux kernel interface wants streams on eps belonging to one interface
to be allocated in one call. Things will also work if we do this one ep at a
time (as long as all eps support the same amount of streams), but lets stick
to the kernel API.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2013-11-26 09:21:17 +01:00
Hans de Goede 3b444eadf7 usb: Add usb_device_alloc/free_streams
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2013-11-26 09:21:17 +01:00
Hans de Goede 04b300f85f usb: Add max_streams attribute to endpoint info
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2013-11-26 09:21:17 +01:00
Hans de Goede 5007c940a9 uas: s/ui/iu/
The various uas data structures are called IU-s, which is short for
Information Unit, rather then UI-s.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2013-11-26 09:21:17 +01:00
Hans de Goede 49cfa2fdc9 uas: Fix response iu struct definition
This patch mirrors a patch to the Linux uas kernel driver which I've just
submitted. It looks like the qemu uas struct definitions were taken from
the Linux kernel driver, and have inherited the same mistake.

Besides fixing the response iu struct, the patch also drops the add_info
parameter from the usb_uas_queue_response() function, it is always 0 anyways,
and expressing 3 zero-bytes as a function argument is a bit hard.

Below is the long explanation for this change taken from the kernel commit:

The response iu struct before this patch has a size of 7 bytes, which is weird
since all other iu-s are explictly padded to a multiple of 4 bytes.

Submitting a 7 byte bulk transfer to the status endpoint of a real uasp device
when expecting a response iu results in an USB babble error, as the device
actually sends 8 bytes.

Up on closer reading of the UAS spec:
http://www.t10.org/cgi-bin/ac.pl?t=f&f=uas2r00.pdf

The reason for this becomes clear, the 2 entries in "Table 17 — RESPONSE IU"
are numbered 4 and 6, looking at other iu definitions in the spec, esp.
multi-byte fields, this indicates that the ADDITIONAL RESPONSE INFORMATION
field is not a 2 byte field as one might assume at a first look, but is
a multi-byte field containing 3 bytes.

This also aligns with the SCSI Architecture Model 4 spec, which UAS is based
on which states in paragraph "7.1 Task management function procedure calls"
that the "Additional Response Information" output argument for a Task
management function procedure call is 3 bytes.

Last but not least I've verified this by sending a logical unit reset task
management call with an invalid lun to an actual uasp device, and received
back a response-iu with byte 6 being 0, and byte 7 being 9, which is the
responce code for an invalid iu, which confirms that the response code is
being reported in byte 7 of the response iu rather then in byte 6.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2013-11-26 09:21:17 +01:00
Hans de Goede 3453f9a0df uas: Bounds check tags when using streams
Disallow the guest to cause us to address the data3 and status3 arrays
out of bounds.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2013-11-26 09:21:17 +01:00
Hans de Goede 0478661ec5 uas: Streams are numbered 1-y, rather then 0-x
It is easier to simply make the arrays one larger, rather then
substracting one everywhere.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2013-11-26 09:21:17 +01:00
Hans de Goede 5eb6d9e3ef uas: Fix / cleanup usb_uas_task error handling
-The correct error if we cannot find the dev is INCORRECT_LUN rather then
 INVALID_INFO_UNIT
-Move the device not found check to the top so we only need to do it once
-Remove the dev->lun != lun checks, dev is returned by scsi_device_find
 which searches by lun, so this will never trigger

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2013-11-26 09:21:17 +01:00
Hans de Goede d4bfc7b9f3 uas: Only use report iu-s for task_mgmt status reporting
Regular scsi cmds should always report their status using a sense-iu, using
the sense code to report any errors.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2013-11-26 09:21:17 +01:00
Hans de Goede 9ec557bd53 scsi: Add 2 new sense codes needed by uas
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2013-11-26 09:21:17 +01:00
Gerd Hoffmann f1f8bc218a xhci: add support for suspend/resume
The OS can ask the xhci controller to save and restore its
internal state, which is used by the OS when the system is
suspended and resumed.

This patch handles writes to the save + restore bits in the
command register.  Only thing it does is updating the
restore error bit in the status register to signal an error
on restore.  The guest OS should do a full reinitialization
after resume then.

This is the minimal patch which gets S3 going with xhci.
Implementing full save/restore support is TBD.

https://bugzilla.redhat.com/show_bug.cgi?id=1012365

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2013-11-26 09:21:17 +01:00
Hans de Goede de9de157fb xhci: Add a few missing checks for disconnected devices
One of the reworks of qemu's usb core made changes to usb-port's disconnect
handling. Now ports with a device will always have a non 0 dev member, but
if the device is not attached (which is possible with usb redirection),
dev->attached will be 0.

So supplement all checks for dev to also check dev->attached, and add an
extra check in a path where a device check was completely missing.

This fixes various crashes (asserts triggering) I've been seeing when xhci
attached usb devices get disconnected at the wrong time.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2013-11-26 09:21:17 +01:00
Alexander Graf 84dc96e1e5 PPC: BookE: Make FIT/WDT timers at best millisecond grained
The default granularity for the FIT timer on 440 is on every 0x1000th
transition of TB from 0 to 1. Translated that means 48828 times a second.

Since interrupts are quite expensive for 440 and we don't really care
about the accuracy of the FIT to that significance, let's force FIT and
WDT to at best millisecond granularity.

This basically restores behavior as it was in QEMU 1.6, where timers
could only deal with millisecond granularities at all.

This patch greatly improves performance with the 440 target and restores
roughly the same performance level that QEMU 1.6 had for me.

Signed-off-by: Alexander Graf <agraf@suse.de>
Message-id: 1385416015-22775-3-git-send-email-agraf@suse.de
Signed-off-by: Anthony Liguori <aliguori@amazon.com>
2013-11-25 20:35:12 -08:00
Alexander Graf 455df3f323 PPC: Make BookE FIT/WDT timers more lazy
Today we fire FIT and WDT timer events every time the respective bit
position in TB flips from 0 -> 1.

However, there is no need to do this if the end result would be that
we're changing a TSR bit that is set to 1 to 1 again. No guest visible
change would have occured.

So whenever we see that the TSR bit to our timer is already set, don't
even bother to update the timer that would potentially fire it off.

However, we do need to make sure that we update our timer that notifies
us of the TB flip when the respective TSR bit gets unset. In that case
we do care about the flip and need to notify the guest again. So add
a callback into our timer handlers when TSR bits get unset.

This improves performance for me when the guest is busy processing things.

Signed-off-by: Alexander Graf <agraf@suse.de>
Message-id: 1385416015-22775-2-git-send-email-agraf@suse.de
Signed-off-by: Anthony Liguori <aliguori@amazon.com>
2013-11-25 20:35:11 -08:00
Michael S. Tsirkin 134d42d614 acpi-build: fix support for glib < 2.22
glib < 2.22 does not have g_array_get_element_size,
limit it's use (to check all elements are 1 byte
in size) to newer glib.

This fixes build on RHEL 5.3.

Reported-by: Richard Henderson <rth@redhat.com>
Reported-by: Erik Rull <erik.rull@rdsoftware.de>
Tested-by: Richard Henderson <rth@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Message-id: 20131125220039.GA16386@redhat.com
Signed-off-by: Anthony Liguori <aliguori@amazon.com>
2013-11-25 20:35:08 -08:00