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* Linux header upgrade (Peter)

Browse source 
* firmware.json definition (Laszlo)
 * IPMI migration fix (Corey)
 * QOM improvements (Alexey, Philippe, me)
 * Memory API cleanups (Jay, me, Tristan, Peter)
 * WHPX fixes and improvements (Lucian)
 * Chardev fixes (Marc-André)
 * IOMMU documentation improvements (Peter)
 * Coverity fixes (Peter, Philippe)
 * Include cleanup (Philippe)
 * -clock deprecation (Thomas)
 * Disable -sandbox unless CONFIG_SECCOMP (Yi Min Zhao)
 * Configurability improvements (me)
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Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging

* Linux header upgrade (Peter)
* firmware.json definition (Laszlo)
* IPMI migration fix (Corey)
* QOM improvements (Alexey, Philippe, me)
* Memory API cleanups (Jay, me, Tristan, Peter)
* WHPX fixes and improvements (Lucian)
* Chardev fixes (Marc-André)
* IOMMU documentation improvements (Peter)
* Coverity fixes (Peter, Philippe)
* Include cleanup (Philippe)
* -clock deprecation (Thomas)
* Disable -sandbox unless CONFIG_SECCOMP (Yi Min Zhao)
* Configurability improvements (me)

# gpg: Signature made Fri 01 Jun 2018 17:42:13 BST
# gpg:                using RSA key BFFBD25F78C7AE83
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>"
# gpg:                 aka "Paolo Bonzini <pbonzini@redhat.com>"
# Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4  E2F7 7E15 100C CD36 69B1
#      Subkey fingerprint: F133 3857 4B66 2389 866C  7682 BFFB D25F 78C7 AE83

* remotes/bonzini/tags/for-upstream: (56 commits)
  hw: make virtio devices configurable via default-configs/
  hw: allow compiling out SCSI
  memory: Make operations using MemoryRegionIoeventfd struct pass by pointer.
  char: Remove unwanted crlf conversion
  qdev: Remove DeviceClass::init() and ::exit()
  qdev: Simplify the SysBusDeviceClass::init path
  hw/i2c: Use DeviceClass::realize instead of I2CSlaveClass::init
  hw/i2c/smbus: Use DeviceClass::realize instead of SMBusDeviceClass::init
  target/i386/kvm.c: Remove compatibility shim for KVM_HINTS_REALTIME
  Update Linux headers to 4.17-rc6
  target/i386/kvm.c: Handle renaming of KVM_HINTS_DEDICATED
  scripts/update-linux-headers: Handle kernel license no longer being one file
  scripts/update-linux-headers: Handle __aligned_u64
  virtio-gpu-3d: Define VIRTIO_GPU_CAPSET_VIRGL2 elsewhere
  gdbstub: Prevent fd leakage
  docs/interop: add "firmware.json"
  ipmi: Use proper struct reference for KCS vmstate
  vmstate: Add a VSTRUCT type
  tcg: remove softfloat from --disable-tcg builds
  qemu-options: Mark the non-functional -clock option as deprecated
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell 2018-06-01 18:24:16 +01:00
commit afd76ffba9
215 changed files with 1713 additions and 901 deletions
Download patch file Download diff file Expand all files Collapse all files

16
hw/virtio/Makefile.objs
View file

@ -1,15 +1,17 @@
ifeq ($(CONFIG_VIRTIO),y)
common-obj-y += virtio-rng.o
common-obj-$(CONFIG_VIRTIO_PCI) += virtio-pci.o
common-obj-y += virtio-bus.o
common-obj-y += virtio-mmio.o
obj-y += virtio.o
common-obj-$(CONFIG_VIRTIO_RNG) += virtio-rng.o
common-obj-$(CONFIG_VIRTIO_PCI) += virtio-pci.o
common-obj-$(CONFIG_VIRTIO_MMIO) += virtio-mmio.o
obj-$(CONFIG_VIRTIO_BALLOON) += virtio-balloon.o
obj-$(CONFIG_VIRTIO_CRYPTO) += virtio-crypto.o
obj-$(call land,$(CONFIG_VIRTIO_CRYPTO),$(CONFIG_VIRTIO_PCI)) += virtio-crypto-pci.o
obj-y += virtio.o virtio-balloon.o
obj-$(CONFIG_LINUX) += vhost.o vhost-backend.o vhost-user.o
obj-$(CONFIG_VHOST_VSOCK) += vhost-vsock.o
obj-y += virtio-crypto.o
obj-$(CONFIG_VIRTIO_PCI) += virtio-crypto-pci.o
endif
common-obj-$(call lnot,$(CONFIG_LINUX)) += vhost-stub.o
common-obj-$(call lnot,$(call land,$(CONFIG_VIRTIO),$(CONFIG_LINUX))) += vhost-stub.o
common-obj-$(CONFIG_ALL) += vhost-stub.o

1
hw/virtio/virtio-pci.c
View file

@ -32,7 +32,6 @@
#include "hw/pci/msix.h"
#include "hw/loader.h"
#include "sysemu/kvm.h"
#include "sysemu/block-backend.h"
#include "virtio-pci.h"
#include "qemu/range.h"
#include "hw/virtio/virtio-bus.h"

33
hw/virtio/virtio.c
View file

@ -123,11 +123,22 @@ static void virtio_free_region_cache(VRingMemoryRegionCaches *caches)
g_free(caches);
}
static void virtio_virtqueue_reset_region_cache(struct VirtQueue *vq)
{
VRingMemoryRegionCaches *caches;
caches = atomic_read(&vq->vring.caches);
atomic_rcu_set(&vq->vring.caches, NULL);
if (caches) {
call_rcu(caches, virtio_free_region_cache, rcu);
}
}
static void virtio_init_region_cache(VirtIODevice *vdev, int n)
{
VirtQueue *vq = &vdev->vq[n];
VRingMemoryRegionCaches *old = vq->vring.caches;
VRingMemoryRegionCaches *new;
VRingMemoryRegionCaches *new = NULL;
hwaddr addr, size;
int event_size;
int64_t len;
@ -136,7 +147,7 @@ static void virtio_init_region_cache(VirtIODevice *vdev, int n)
addr = vq->vring.desc;
if (!addr) {
return;
goto out_no_cache;
}
new = g_new0(VRingMemoryRegionCaches, 1);
size = virtio_queue_get_desc_size(vdev, n);
@ -170,11 +181,14 @@ static void virtio_init_region_cache(VirtIODevice *vdev, int n)
return;
err_avail:
address_space_cache_destroy(&new->used);
address_space_cache_destroy(&new->avail);
err_used:
address_space_cache_destroy(&new->desc);
address_space_cache_destroy(&new->used);
err_desc:
address_space_cache_destroy(&new->desc);
out_no_cache:
g_free(new);
virtio_virtqueue_reset_region_cache(vq);
}
/* virt queue functions */
@ -1168,17 +1182,6 @@ static enum virtio_device_endian virtio_current_cpu_endian(void)
}
}
static void virtio_virtqueue_reset_region_cache(struct VirtQueue *vq)
{
VRingMemoryRegionCaches *caches;
caches = atomic_read(&vq->vring.caches);
atomic_rcu_set(&vq->vring.caches, NULL);
if (caches) {
call_rcu(caches, virtio_free_region_cache, rcu);
}
}
void virtio_reset(void *opaque)
{
VirtIODevice *vdev = opaque;