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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [qemu-xen staging] Merge tag 'v7.2.4' into staging
=== This changeset includes merge from high-traffic branch ===
Commits on that branch are not reported individually.
commit 698407ef8395521a9a5b15ed9cd0b7e1fc258ded
Merge: 8c51cd970509b97d8378d175646ec32889828158
681858ea14242d3b509b77e0179f7f63c99032bb
Author: Anthony PERARD <anthony.perard@xxxxxxxxxx>
AuthorDate: Fri Jul 21 14:57:10 2023 +0100
Commit: Anthony PERARD <anthony.perard@xxxxxxxxxx>
CommitDate: Fri Jul 21 14:57:10 2023 +0100
Merge tag 'v7.2.4' into staging
v7.2.4 release
.gitlab-ci.d/buildtest.yml | 6 +-
VERSION | 2 +-
accel/tcg/cputlb.c | 2 +-
block/curl.c | 44 ++++-
block/io.c | 3 +
block/iscsi.c | 1 +
block/monitor/block-hmp-cmds.c | 10 +-
block/qcow2-bitmap.c | 5 +-
block/vhdx-log.c | 2 +-
blockdev.c | 18 +-
chardev/char-socket.c | 1 +
configure | 2 +-
docs/about/deprecated.rst | 4 +-
docs/system/multi-process.rst | 2 +-
fpu/softfloat.c | 2 +-
fsdev/virtfs-proxy-helper.c | 27 ++-
hw/9pfs/9p-util.h | 38 ++++
hw/9pfs/trace-events | 6 +
hw/9pfs/xen-9p-backend.c | 35 ++--
hw/acpi/cpu_hotplug.c | 3 +
hw/acpi/pcihp.c | 10 ++
hw/arm/aspeed.c | 42 ++---
hw/arm/boot.c | 40 ++---
hw/arm/raspi.c | 64 +++----
hw/arm/xlnx-zynqmp.c | 2 +-
hw/core/machine.c | 11 ++
hw/display/virtio-gpu.c | 27 ++-
hw/dma/xilinx_axidma.c | 11 +-
hw/hppa/machine.c | 15 +-
hw/i386/intel_iommu.c | 15 ++
hw/i386/microvm.c | 2 +-
hw/i386/pc.c | 4 +-
hw/i386/pc_piix.c | 3 +-
hw/i386/pc_q35.c | 2 -
hw/i386/x86.c | 88 ++-------
hw/intc/allwinner-a10-pic.c | 7 +-
hw/misc/aspeed_hace.c | 2 +-
hw/net/allwinner-sun8i-emac.c | 22 ++-
hw/net/e1000.c | 9 +-
hw/net/e1000e_core.c | 5 +-
hw/net/e1000x_common.c | 5 +-
hw/net/msf2-emac.c | 18 +-
hw/net/rtl8139.c | 3 +
hw/net/virtio-net.c | 1 -
hw/net/vmxnet3.c | 2 +-
hw/nvme/ctrl.c | 35 +++-
hw/nvram/fw_cfg.c | 12 +-
hw/ppc/ppc.c | 2 +
hw/ppc/prep.c | 4 +-
hw/rdma/vmw/pvrdma_cmd.c | 6 +
hw/remote/trace-events | 4 +-
hw/riscv/numa.c | 6 +
hw/scsi/lsi53c895a.c | 23 ++-
hw/scsi/scsi-generic.c | 14 +-
hw/sd/allwinner-sdhost.c | 31 +++-
hw/smbios/smbios.c | 8 +-
hw/timer/hpet.c | 19 +-
hw/timer/nrf51_timer.c | 7 +-
hw/usb/hcd-ohci.c | 2 +
hw/vfio/pci.c | 8 +-
hw/virtio/vhost-shadow-virtqueue.c | 7 +-
hw/virtio/vhost-shadow-virtqueue.h | 3 +
hw/virtio/vhost-user-gpio.c | 10 +-
hw/virtio/vhost-user-i2c.c | 5 +-
hw/virtio/vhost-user-rng.c | 5 +-
hw/virtio/vhost-user.c | 104 ++---------
hw/virtio/vhost-vdpa.c | 17 +-
hw/virtio/vhost.c | 87 ++++++---
hw/virtio/virtio-crypto.c | 20 ++-
hw/virtio/virtio-mem.c | 6 +-
hw/virtio/virtio.c | 11 +-
hw/xen/xen_pt.c | 64 +++++--
hw/xen/xen_pt.h | 20 +++
hw/xen/xen_pt_stub.c | 4 +
include/hw/arm/boot.h | 49 +++++
include/hw/i386/pc.h | 3 -
include/hw/i386/x86.h | 3 +-
include/hw/nvram/fw_cfg.h | 22 ---
include/hw/virtio/vhost-user-gpio.h | 2 +-
include/qemu/compiler.h | 13 ++
include/qemu/host-utils.h | 2 +-
include/qemu/osdep.h | 2 +-
io/channel-tls.c | 3 +
linux-user/fd-trans.c | 10 +-
linux-user/fd-trans.h | 1 +
linux-user/generic/target_resource.h | 4 +-
linux-user/mips/cpu_loop.c | 5 +-
linux-user/s390x/cpu_loop.c | 9 +
linux-user/syscall.c | 120 +++++++++----
meson.build | 6 +-
migration/migration.c | 30 ++--
migration/ram.c | 9 +-
net/vhost-vdpa.c | 11 +-
pc-bios/hppa-firmware.img | Bin 719368 -> 720216 bytes
pc-bios/keymaps/meson.build | 2 +-
qemu-options.hx | 24 ++-
qga/commands-posix.c | 12 +-
qga/commands.c | 5 +-
qga/installer/qemu-ga.wxs | 1 +
qga/vss-win32/install.cpp | 2 +-
roms/seabios-hppa | 2 +-
scripts/device-crash-test | 4 +-
scripts/shaderinclude.pl | 16 --
scripts/shaderinclude.py | 26 +++
scripts/symlink-install-tree.py | 1 -
softmmu/icount.c | 9 +-
subprojects/libvhost-user/libvhost-user.c | 7 +
target/arm/cpu.h | 3 +
target/arm/helper.c | 3 +
target/arm/kvm.c | 2 +
target/arm/kvm64.c | 18 +-
target/arm/kvm_arm.h | 8 +
target/arm/ptw.c | 6 +-
target/arm/sve_helper.c | 20 ++-
target/arm/tlb_helper.c | 13 +-
target/arm/translate-a32.h | 7 +
target/arm/translate-a64.c | 24 ++-
target/arm/translate.c | 6 +-
target/i386/cpu.c | 4 +-
target/i386/ops_sse.h | 8 +
target/i386/tcg/decode-new.c.inc | 15 +-
target/i386/tcg/emit.c.inc | 61 ++++---
target/ppc/cpu_init.c | 2 +-
target/ppc/excp_helper.c | 9 +-
target/ppc/helper_regs.c | 73 ++++++--
target/ppc/helper_regs.h | 1 +
target/ppc/machine.c | 8 +-
target/ppc/power8-pmu.c | 38 ++--
target/ppc/power8-pmu.h | 4 +-
target/ppc/translate.c | 1 +
target/ppc/translate/vmx-impl.c.inc | 2 +-
target/riscv/insn_trans/trans_privileged.c.inc | 6 +
target/riscv/translate.c | 12 +-
target/s390x/arch_dump.c | 2 +-
target/s390x/cpu.h | 1 +
target/s390x/cpu_models.c | 4 +-
target/s390x/cpu_models.h | 10 +-
target/s390x/s390x-internal.h | 3 +-
target/s390x/tcg/insn-data.h.inc | 10 +-
target/s390x/tcg/mem_helper.c | 1 +
target/s390x/tcg/translate.c | 106 ++++++++---
target/sh4/cpu.c | 2 +-
.../docker/dockerfiles/debian-xtensa-cross.docker | 2 +-
tests/qtest/fuzz-lsi53c895a-test.c | 33 ++++
tests/tcg/Makefile.target | 2 +
tests/tcg/i386/Makefile.target | 6 +-
tests/tcg/i386/test-i386-adcox.c | 75 ++++++++
tests/tcg/i386/test-i386-bmi2.c | 197 +++++++++++----------
tests/tcg/multiarch/linux/linux-test.c | 6 +-
tests/tcg/riscv64/Makefile.target | 6 +
tests/tcg/riscv64/test-noc.S | 32 ++++
tests/tcg/s390x/Makefile.target | 13 +-
tests/tcg/s390x/gdbstub/test-svc.py | 64 +++++++
tests/tcg/s390x/hello-s390x-asm.S | 20 +++
tests/tcg/s390x/lcbb.c | 51 ++++++
tests/tcg/s390x/locfhr.c | 29 +++
ui/console.c | 4 +-
ui/gtk-egl.c | 9 +-
ui/gtk-gl-area.c | 5 +-
ui/gtk.c | 12 +-
ui/sdl2-gl.c | 4 +
ui/sdl2.c | 7 +
ui/vnc-jobs.c | 3 +-
ui/vnc.c | 2 +-
util/async.c | 14 ++
util/fdmon-epoll.c | 25 ++-
util/vfio-helpers.c | 8 +-
167 files changed, 1854 insertions(+), 850 deletions(-)
diff --git a/.gitlab-ci.d/buildtest.yml b/.gitlab-ci.d/buildtest.yml
index d21b4a1fd4..10886bb414 100644
--- a/.gitlab-ci.d/buildtest.yml
+++ b/.gitlab-ci.d/buildtest.yml
@@ -109,8 +109,8 @@ crash-test-debian:
IMAGE: debian-amd64
script:
- cd build
- - make check-venv
- - tests/venv/bin/python3 scripts/device-crash-test -q ./qemu-system-i386
+ - make NINJA=":" check-venv
+ - tests/venv/bin/python3 scripts/device-crash-test -q --tcg-only
./qemu-system-i386
build-system-fedora:
extends: .native_build_job_template
@@ -155,7 +155,7 @@ crash-test-fedora:
IMAGE: fedora
script:
- cd build
- - make check-venv
+ - make NINJA=":" check-venv
- tests/venv/bin/python3 scripts/device-crash-test -q ./qemu-system-ppc
- tests/venv/bin/python3 scripts/device-crash-test -q ./qemu-system-riscv32
diff --git a/VERSION b/VERSION
index 0ee843cc60..2bbaead448 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-7.2.0
+7.2.4
diff --git a/accel/tcg/cputlb.c b/accel/tcg/cputlb.c
index 6f1c00682b..1160aec626 100644
--- a/accel/tcg/cputlb.c
+++ b/accel/tcg/cputlb.c
@@ -1817,7 +1817,7 @@ static void *atomic_mmu_lookup(CPUArchState *env,
target_ulong addr,
} else /* if (prot & PAGE_READ) */ {
tlb_addr = tlbe->addr_read;
if (!tlb_hit(tlb_addr, addr)) {
- if (!VICTIM_TLB_HIT(addr_write, addr)) {
+ if (!VICTIM_TLB_HIT(addr_read, addr)) {
tlb_fill(env_cpu(env), addr, size,
MMU_DATA_LOAD, mmu_idx, retaddr);
index = tlb_index(env, mmu_idx, addr);
diff --git a/block/curl.c b/block/curl.c
index cba4c4cac7..0b125095e3 100644
--- a/block/curl.c
+++ b/block/curl.c
@@ -37,8 +37,15 @@
// #define DEBUG_VERBOSE
+/* CURL 7.85.0 switches to a string based API for specifying
+ * the desired protocols.
+ */
+#if LIBCURL_VERSION_NUM >= 0x075500
+#define PROTOCOLS "HTTP,HTTPS,FTP,FTPS"
+#else
#define PROTOCOLS (CURLPROTO_HTTP | CURLPROTO_HTTPS | \
CURLPROTO_FTP | CURLPROTO_FTPS)
+#endif
#define CURL_NUM_STATES 8
#define CURL_NUM_ACB 8
@@ -509,9 +516,18 @@ static int curl_init_state(BDRVCURLState *s, CURLState
*state)
* obscure protocols. For example, do not allow POP3/SMTP/IMAP see
* CVE-2013-0249.
*
- * Restricting protocols is only supported from 7.19.4 upwards.
+ * Restricting protocols is only supported from 7.19.4 upwards. Note:
+ * version 7.85.0 deprecates CURLOPT_*PROTOCOLS in favour of a string
+ * based CURLOPT_*PROTOCOLS_STR API.
*/
-#if LIBCURL_VERSION_NUM >= 0x071304
+#if LIBCURL_VERSION_NUM >= 0x075500
+ if (curl_easy_setopt(state->curl,
+ CURLOPT_PROTOCOLS_STR, PROTOCOLS) ||
+ curl_easy_setopt(state->curl,
+ CURLOPT_REDIR_PROTOCOLS_STR, PROTOCOLS)) {
+ goto err;
+ }
+#elif LIBCURL_VERSION_NUM >= 0x071304
if (curl_easy_setopt(state->curl, CURLOPT_PROTOCOLS, PROTOCOLS) ||
curl_easy_setopt(state->curl, CURLOPT_REDIR_PROTOCOLS, PROTOCOLS))
{
goto err;
@@ -669,7 +685,12 @@ static int curl_open(BlockDriverState *bs, QDict *options,
int flags,
const char *file;
const char *cookie;
const char *cookie_secret;
- double d;
+ /* CURL >= 7.55.0 uses curl_off_t for content length instead of a double */
+#if LIBCURL_VERSION_NUM >= 0x073700
+ curl_off_t cl;
+#else
+ double cl;
+#endif
const char *secretid;
const char *protocol_delimiter;
int ret;
@@ -796,27 +817,36 @@ static int curl_open(BlockDriverState *bs, QDict
*options, int flags,
}
if (curl_easy_perform(state->curl))
goto out;
- if (curl_easy_getinfo(state->curl, CURLINFO_CONTENT_LENGTH_DOWNLOAD, &d)) {
+ /* CURL 7.55.0 deprecates CURLINFO_CONTENT_LENGTH_DOWNLOAD in favour of
+ * the *_T version which returns a more sensible type for content length.
+ */
+#if LIBCURL_VERSION_NUM >= 0x073700
+ if (curl_easy_getinfo(state->curl, CURLINFO_CONTENT_LENGTH_DOWNLOAD_T,
&cl)) {
+ goto out;
+ }
+#else
+ if (curl_easy_getinfo(state->curl, CURLINFO_CONTENT_LENGTH_DOWNLOAD, &cl))
{
goto out;
}
+#endif
/* Prior CURL 7.19.4 return value of 0 could mean that the file size is not
* know or the size is zero. From 7.19.4 CURL returns -1 if size is not
* known and zero if it is really zero-length file. */
#if LIBCURL_VERSION_NUM >= 0x071304
- if (d < 0) {
+ if (cl < 0) {
pstrcpy(state->errmsg, CURL_ERROR_SIZE,
"Server didn't report file size.");
goto out;
}
#else
- if (d <= 0) {
+ if (cl <= 0) {
pstrcpy(state->errmsg, CURL_ERROR_SIZE,
"Unknown file size or zero-length file.");
goto out;
}
#endif
- s->len = d;
+ s->len = cl;
if ((!strncasecmp(s->url, "http://";, strlen("http://";))
|| !strncasecmp(s->url, "https://";, strlen("https://";)))
diff --git a/block/io.c b/block/io.c
index b9424024f9..bbaa0d1b2d 100644
--- a/block/io.c
+++ b/block/io.c
@@ -2087,6 +2087,9 @@ static int coroutine_fn bdrv_aligned_pwritev(BdrvChild
*child,
if (bs->detect_zeroes == BLOCKDEV_DETECT_ZEROES_OPTIONS_UNMAP) {
flags |= BDRV_REQ_MAY_UNMAP;
}
+
+ /* Can't use optimization hint with bufferless zero write */
+ flags &= ~BDRV_REQ_REGISTERED_BUF;
}
if (ret < 0) {
diff --git a/block/iscsi.c b/block/iscsi.c
index a316d46d96..1bba42a71b 100644
--- a/block/iscsi.c
+++ b/block/iscsi.c
@@ -268,6 +268,7 @@ iscsi_co_generic_cb(struct iscsi_context *iscsi, int status,
timer_mod(&iTask->retry_timer,
qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + retry_time);
iTask->do_retry = 1;
+ return;
} else if (status == SCSI_STATUS_CHECK_CONDITION) {
int error = iscsi_translate_sense(&task->sense);
if (error == EAGAIN) {
diff --git a/block/monitor/block-hmp-cmds.c b/block/monitor/block-hmp-cmds.c
index b6135e9bfe..cf21b5e40a 100644
--- a/block/monitor/block-hmp-cmds.c
+++ b/block/monitor/block-hmp-cmds.c
@@ -213,15 +213,17 @@ void hmp_commit(Monitor *mon, const QDict *qdict)
error_report("Device '%s' not found", device);
return;
}
- if (!blk_is_available(blk)) {
- error_report("Device '%s' has no medium", device);
- return;
- }
bs = bdrv_skip_implicit_filters(blk_bs(blk));
aio_context = bdrv_get_aio_context(bs);
aio_context_acquire(aio_context);
+ if (!blk_is_available(blk)) {
+ error_report("Device '%s' has no medium", device);
+ aio_context_release(aio_context);
+ return;
+ }
+
ret = bdrv_commit(bs);
aio_context_release(aio_context);
diff --git a/block/qcow2-bitmap.c b/block/qcow2-bitmap.c
index bcad567c0c..3dff99ba06 100644
--- a/block/qcow2-bitmap.c
+++ b/block/qcow2-bitmap.c
@@ -115,7 +115,7 @@ static int update_header_sync(BlockDriverState *bs)
return bdrv_flush(bs->file->bs);
}
-static inline void bitmap_table_to_be(uint64_t *bitmap_table, size_t size)
+static inline void bitmap_table_bswap_be(uint64_t *bitmap_table, size_t size)
{
size_t i;
@@ -1401,9 +1401,10 @@ static int store_bitmap(BlockDriverState *bs,
Qcow2Bitmap *bm, Error **errp)
goto fail;
}
- bitmap_table_to_be(tb, tb_size);
+ bitmap_table_bswap_be(tb, tb_size);
ret = bdrv_pwrite(bs->file, tb_offset, tb_size * sizeof(tb[0]), tb, 0);
if (ret < 0) {
+ bitmap_table_bswap_be(tb, tb_size);
error_setg_errno(errp, -ret, "Failed to write bitmap '%s' to file",
bm_name);
goto fail;
diff --git a/block/vhdx-log.c b/block/vhdx-log.c
index 572582b87b..0866897a85 100644
--- a/block/vhdx-log.c
+++ b/block/vhdx-log.c
@@ -980,7 +980,7 @@ static int vhdx_log_write(BlockDriverState *bs,
BDRVVHDXState *s,
sector_write = merged_sector;
} else if (i == sectors - 1 && trailing_length) {
/* partial sector at the end of the buffer */
- ret = bdrv_pread(bs->file, file_offset,
+ ret = bdrv_pread(bs->file, file_offset + trailing_length,
VHDX_LOG_SECTOR_SIZE - trailing_length,
merged_sector + trailing_length, 0);
if (ret < 0) {
diff --git a/blockdev.c b/blockdev.c
index 3f1dec6242..ae27a41efa 100644
--- a/blockdev.c
+++ b/blockdev.c
@@ -152,12 +152,22 @@ void blockdev_mark_auto_del(BlockBackend *blk)
JOB_LOCK_GUARD();
- for (job = block_job_next_locked(NULL); job;
- job = block_job_next_locked(job)) {
- if (block_job_has_bdrv(job, blk_bs(blk))) {
+ do {
+ job = block_job_next_locked(NULL);
+ while (job && (job->job.cancelled ||
+ job->job.deferred_to_main_loop ||
+ !block_job_has_bdrv(job, blk_bs(blk))))
+ {
+ job = block_job_next_locked(job);
+ }
+ if (job) {
+ /*
+ * This drops the job lock temporarily and polls, so we need to
+ * restart processing the list from the start after this.
+ */
job_cancel_locked(&job->job, false);
}
- }
+ } while (job);
dinfo->auto_del = 1;
}
diff --git a/chardev/char-socket.c b/chardev/char-socket.c
index 879564aa8a..b00efb1482 100644
--- a/chardev/char-socket.c
+++ b/chardev/char-socket.c
@@ -1065,6 +1065,7 @@ static void char_socket_finalize(Object *obj)
qio_net_listener_set_client_func_full(s->listener, NULL, NULL,
NULL, chr->gcontext);
object_unref(OBJECT(s->listener));
+ s->listener = NULL;
}
if (s->tls_creds) {
object_unref(OBJECT(s->tls_creds));
diff --git a/configure b/configure
index 08eac0d42c..3ecc35c217 100755
--- a/configure
+++ b/configure
@@ -2420,7 +2420,7 @@ echo "QEMU_OBJCFLAGS=$QEMU_OBJCFLAGS" >> $config_host_mak
echo "GLIB_CFLAGS=$glib_cflags" >> $config_host_mak
echo "GLIB_LIBS=$glib_libs" >> $config_host_mak
echo "GLIB_BINDIR=$glib_bindir" >> $config_host_mak
-echo "GLIB_VERSION=$(pkg-config --modversion glib-2.0)" >> $config_host_mak
+echo "GLIB_VERSION=$($pkg_config --modversion glib-2.0)" >> $config_host_mak
echo "QEMU_LDFLAGS=$QEMU_LDFLAGS" >> $config_host_mak
echo "EXESUF=$EXESUF" >> $config_host_mak
diff --git a/docs/about/deprecated.rst b/docs/about/deprecated.rst
index 93affe3669..0b26c01da0 100644
--- a/docs/about/deprecated.rst
+++ b/docs/about/deprecated.rst
@@ -233,8 +233,8 @@ Use the more generic event ``DEVICE_UNPLUG_GUEST_ERROR``
instead.
System emulator machines
------------------------
-Arm ``virt`` machine ``dtb-kaslr-seed`` property
-''''''''''''''''''''''''''''''''''''''''''''''''
+Arm ``virt`` machine ``dtb-kaslr-seed`` property (since 7.1)
+''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
The ``dtb-kaslr-seed`` property on the ``virt`` board has been
deprecated; use the new name ``dtb-randomness`` instead. The new name
diff --git a/docs/system/multi-process.rst b/docs/system/multi-process.rst
index 210531ee17..1b8852c27c 100644
--- a/docs/system/multi-process.rst
+++ b/docs/system/multi-process.rst
@@ -2,7 +2,7 @@ Multi-process QEMU
==================
This document describes how to configure and use multi-process qemu.
-For the design document refer to docs/devel/qemu-multiprocess.
+For the design document refer to docs/devel/multi-process.rst.
1) Configuration
----------------
diff --git a/fpu/softfloat.c b/fpu/softfloat.c
index c7454c3eb1..108f9cb224 100644
--- a/fpu/softfloat.c
+++ b/fpu/softfloat.c
@@ -5135,7 +5135,7 @@ float32 float32_exp2(float32 a, float_status *status)
float64_unpack_canonical(&rp, float64_one, status);
for (i = 0 ; i < 15 ; i++) {
float64_unpack_canonical(&tp, float32_exp2_coefficients[i], status);
- rp = *parts_muladd(&tp, &xp, &rp, 0, status);
+ rp = *parts_muladd(&tp, &xnp, &rp, 0, status);
xnp = *parts_mul(&xnp, &xp, status);
}
diff --git a/fsdev/virtfs-proxy-helper.c b/fsdev/virtfs-proxy-helper.c
index 5cafcd7703..d9511f429c 100644
--- a/fsdev/virtfs-proxy-helper.c
+++ b/fsdev/virtfs-proxy-helper.c
@@ -26,6 +26,7 @@
#include "qemu/xattr.h"
#include "9p-iov-marshal.h"
#include "hw/9pfs/9p-proxy.h"
+#include "hw/9pfs/9p-util.h"
#include "fsdev/9p-iov-marshal.h"
#define PROGNAME "virtfs-proxy-helper"
@@ -338,6 +339,28 @@ static void resetugid(int suid, int sgid)
}
}
+/*
+ * Open regular file or directory. Attempts to open any special file are
+ * rejected.
+ *
+ * returns file descriptor or -1 on error
+ */
+static int open_regular(const char *pathname, int flags, mode_t mode)
+{
+ int fd;
+
+ fd = open(pathname, flags, mode);
+ if (fd < 0) {
+ return fd;
+ }
+
+ if (close_if_special_file(fd) < 0) {
+ return -1;
+ }
+
+ return fd;
+}
+
/*
* send response in two parts
* 1) ProxyHeader
@@ -682,7 +705,7 @@ static int do_create(struct iovec *iovec)
if (ret < 0) {
goto unmarshal_err_out;
}
- ret = open(path.data, flags, mode);
+ ret = open_regular(path.data, flags, mode);
if (ret < 0) {
ret = -errno;
}
@@ -707,7 +730,7 @@ static int do_open(struct iovec *iovec)
if (ret < 0) {
goto err_out;
}
- ret = open(path.data, flags);
+ ret = open_regular(path.data, flags, 0);
if (ret < 0) {
ret = -errno;
}
diff --git a/hw/9pfs/9p-util.h b/hw/9pfs/9p-util.h
index c3526144c9..6b44e5f7a4 100644
--- a/hw/9pfs/9p-util.h
+++ b/hw/9pfs/9p-util.h
@@ -13,6 +13,8 @@
#ifndef QEMU_9P_UTIL_H
#define QEMU_9P_UTIL_H
+#include "qemu/error-report.h"
+
#ifdef O_PATH
#define O_PATH_9P_UTIL O_PATH
#else
@@ -112,6 +114,38 @@ static inline void close_preserve_errno(int fd)
errno = serrno;
}
+/**
+ * close_if_special_file() - Close @fd if neither regular file nor directory.
+ *
+ * @fd: file descriptor of open file
+ * Return: 0 on regular file or directory, -1 otherwise
+ *
+ * CVE-2023-2861: Prohibit opening any special file directly on host
+ * (especially device files), as a compromised client could potentially gain
+ * access outside exported tree under certain, unsafe setups. We expect
+ * client to handle I/O on special files exclusively on guest side.
+ */
+static inline int close_if_special_file(int fd)
+{
+ struct stat stbuf;
+
+ if (fstat(fd, &stbuf) < 0) {
+ close_preserve_errno(fd);
+ return -1;
+ }
+ if (!S_ISREG(stbuf.st_mode) && !S_ISDIR(stbuf.st_mode)) {
+ error_report_once(
+ "9p: broken or compromised client detected; attempt to open "
+ "special file (i.e. neither regular file, nor directory)"
+ );
+ close(fd);
+ errno = ENXIO;
+ return -1;
+ }
+
+ return 0;
+}
+
static inline int openat_dir(int dirfd, const char *name)
{
return openat(dirfd, name,
@@ -146,6 +180,10 @@ again:
return -1;
}
+ if (close_if_special_file(fd) < 0) {
+ return -1;
+ }
+
serrno = errno;
/* O_NONBLOCK was only needed to open the file. Let's drop it. We don't
* do that with O_PATH since fcntl(F_SETFL) isn't supported, and openat()
diff --git a/hw/9pfs/trace-events b/hw/9pfs/trace-events
index 6c77966c0b..a12e55c165 100644
--- a/hw/9pfs/trace-events
+++ b/hw/9pfs/trace-events
@@ -48,3 +48,9 @@ v9fs_readlink(uint16_t tag, uint8_t id, int32_t fid) "tag %d
id %d fid %d"
v9fs_readlink_return(uint16_t tag, uint8_t id, char* target) "tag %d id %d
name %s"
v9fs_setattr(uint16_t tag, uint8_t id, int32_t fid, int32_t valid, int32_t
mode, int32_t uid, int32_t gid, int64_t size, int64_t atime_sec, int64_t
mtime_sec) "tag %u id %u fid %d iattr={valid %d mode %d uid %d gid %d size
%"PRId64" atime=%"PRId64" mtime=%"PRId64" }"
v9fs_setattr_return(uint16_t tag, uint8_t id) "tag %u id %u"
+
+# xen-9p-backend.c
+xen_9pfs_alloc(char *name) "name %s"
+xen_9pfs_connect(char *name) "name %s"
+xen_9pfs_disconnect(char *name) "name %s"
+xen_9pfs_free(char *name) "name %s"
diff --git a/hw/9pfs/xen-9p-backend.c b/hw/9pfs/xen-9p-backend.c
index 65c4979c3c..ab1df8dd2f 100644
--- a/hw/9pfs/xen-9p-backend.c
+++ b/hw/9pfs/xen-9p-backend.c
@@ -24,6 +24,8 @@
#include "qemu/option.h"
#include "fsdev/qemu-fsdev.h"
+#include "trace.h"
+
#define VERSIONS "1"
#define MAX_RINGS 8
#define MAX_RING_ORDER 9
@@ -335,6 +337,8 @@ static void xen_9pfs_disconnect(struct XenLegacyDevice
*xendev)
Xen9pfsDev *xen_9pdev = container_of(xendev, Xen9pfsDev, xendev);
int i;
+ trace_xen_9pfs_disconnect(xendev->name);
+
for (i = 0; i < xen_9pdev->num_rings; i++) {
if (xen_9pdev->rings[i].evtchndev != NULL) {
qemu_set_fd_handler(xenevtchn_fd(xen_9pdev->rings[i].evtchndev),
@@ -343,39 +347,40 @@ static void xen_9pfs_disconnect(struct XenLegacyDevice
*xendev)
xen_9pdev->rings[i].local_port);
xen_9pdev->rings[i].evtchndev = NULL;
}
- }
-}
-
-static int xen_9pfs_free(struct XenLegacyDevice *xendev)
-{
- Xen9pfsDev *xen_9pdev = container_of(xendev, Xen9pfsDev, xendev);
- int i;
-
- if (xen_9pdev->rings[0].evtchndev != NULL) {
- xen_9pfs_disconnect(xendev);
- }
-
- for (i = 0; i < xen_9pdev->num_rings; i++) {
if (xen_9pdev->rings[i].data != NULL) {
xen_be_unmap_grant_refs(&xen_9pdev->xendev,
xen_9pdev->rings[i].data,
(1 << xen_9pdev->rings[i].ring_order));
+ xen_9pdev->rings[i].data = NULL;
}
if (xen_9pdev->rings[i].intf != NULL) {
xen_be_unmap_grant_refs(&xen_9pdev->xendev,
xen_9pdev->rings[i].intf,
1);
+ xen_9pdev->rings[i].intf = NULL;
}
if (xen_9pdev->rings[i].bh != NULL) {
qemu_bh_delete(xen_9pdev->rings[i].bh);
+ xen_9pdev->rings[i].bh = NULL;
}
}
g_free(xen_9pdev->id);
+ xen_9pdev->id = NULL;
g_free(xen_9pdev->tag);
+ xen_9pdev->tag = NULL;
g_free(xen_9pdev->path);
+ xen_9pdev->path = NULL;
g_free(xen_9pdev->security_model);
+ xen_9pdev->security_model = NULL;
g_free(xen_9pdev->rings);
+ xen_9pdev->rings = NULL;
+}
+
+static int xen_9pfs_free(struct XenLegacyDevice *xendev)
+{
+ trace_xen_9pfs_free(xendev->name);
+
return 0;
}
@@ -387,6 +392,8 @@ static int xen_9pfs_connect(struct XenLegacyDevice *xendev)
V9fsState *s = &xen_9pdev->state;
QemuOpts *fsdev;
+ trace_xen_9pfs_connect(xendev->name);
+
if (xenstore_read_fe_int(&xen_9pdev->xendev, "num-rings",
&xen_9pdev->num_rings) == -1 ||
xen_9pdev->num_rings > MAX_RINGS || xen_9pdev->num_rings < 1) {
@@ -494,6 +501,8 @@ out:
static void xen_9pfs_alloc(struct XenLegacyDevice *xendev)
{
+ trace_xen_9pfs_alloc(xendev->name);
+
xenstore_write_be_str(xendev, "versions", VERSIONS);
xenstore_write_be_int(xendev, "max-rings", MAX_RINGS);
xenstore_write_be_int(xendev, "max-ring-page-order", MAX_RING_ORDER);
diff --git a/hw/acpi/cpu_hotplug.c b/hw/acpi/cpu_hotplug.c
index 53654f8638..ff14c3f410 100644
--- a/hw/acpi/cpu_hotplug.c
+++ b/hw/acpi/cpu_hotplug.c
@@ -52,6 +52,9 @@ static const MemoryRegionOps AcpiCpuHotplug_ops = {
.endianness = DEVICE_LITTLE_ENDIAN,
.valid = {
.min_access_size = 1,
+ .max_access_size = 4,
+ },
+ .impl = {
.max_access_size = 1,
},
};
diff --git a/hw/acpi/pcihp.c b/hw/acpi/pcihp.c
index 84d75e6b84..a2a3738b46 100644
--- a/hw/acpi/pcihp.c
+++ b/hw/acpi/pcihp.c
@@ -429,6 +429,16 @@ void acpi_pcihp_device_unplug_request_cb(HotplugHandler
*hotplug_dev,
* acpi_pcihp_eject_slot() when the operation is completed.
*/
pdev->qdev.pending_deleted_event = true;
+ /* if unplug was requested before OSPM is initialized,
+ * linux kernel will clear GPE0.sts[] bits during boot, which effectively
+ * hides unplug event. And than followup qmp_device_del() calls remain
+ * blocked by above flag permanently.
+ * Unblock qmp_device_del() by setting expire limit, so user can
+ * repeat unplug request later when OSPM has been booted.
+ */
+ pdev->qdev.pending_deleted_expires_ms =
+ qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL); /* 1 msec */
+
s->acpi_pcihp_pci_status[bsel].down |= (1U << slot);
acpi_send_event(DEVICE(hotplug_dev), ACPI_PCI_HOTPLUG_STATUS);
}
diff --git a/hw/arm/aspeed.c b/hw/arm/aspeed.c
index 55f114ef72..97fb1916ec 100644
--- a/hw/arm/aspeed.c
+++ b/hw/arm/aspeed.c
@@ -188,33 +188,35 @@ struct AspeedMachineState {
static void aspeed_write_smpboot(ARMCPU *cpu,
const struct arm_boot_info *info)
{
- static const uint32_t poll_mailbox_ready[] = {
+ AddressSpace *as = arm_boot_address_space(cpu, info);
+ static const ARMInsnFixup poll_mailbox_ready[] = {
/*
* r2 = per-cpu go sign value
* r1 = AST_SMP_MBOX_FIELD_ENTRY
* r0 = AST_SMP_MBOX_FIELD_GOSIGN
*/
- 0xee100fb0, /* mrc p15, 0, r0, c0, c0, 5 */
- 0xe21000ff, /* ands r0, r0, #255 */
- 0xe59f201c, /* ldr r2, [pc, #28] */
- 0xe1822000, /* orr r2, r2, r0 */
-
- 0xe59f1018, /* ldr r1, [pc, #24] */
- 0xe59f0018, /* ldr r0, [pc, #24] */
-
- 0xe320f002, /* wfe */
- 0xe5904000, /* ldr r4, [r0] */
- 0xe1520004, /* cmp r2, r4 */
- 0x1afffffb, /* bne <wfe> */
- 0xe591f000, /* ldr pc, [r1] */
- AST_SMP_MBOX_GOSIGN,
- AST_SMP_MBOX_FIELD_ENTRY,
- AST_SMP_MBOX_FIELD_GOSIGN,
+ { 0xee100fb0 }, /* mrc p15, 0, r0, c0, c0, 5 */
+ { 0xe21000ff }, /* ands r0, r0, #255 */
+ { 0xe59f201c }, /* ldr r2, [pc, #28] */
+ { 0xe1822000 }, /* orr r2, r2, r0 */
+
+ { 0xe59f1018 }, /* ldr r1, [pc, #24] */
+ { 0xe59f0018 }, /* ldr r0, [pc, #24] */
+
+ { 0xe320f002 }, /* wfe */
+ { 0xe5904000 }, /* ldr r4, [r0] */
+ { 0xe1520004 }, /* cmp r2, r4 */
+ { 0x1afffffb }, /* bne <wfe> */
+ { 0xe591f000 }, /* ldr pc, [r1] */
+ { AST_SMP_MBOX_GOSIGN },
+ { AST_SMP_MBOX_FIELD_ENTRY },
+ { AST_SMP_MBOX_FIELD_GOSIGN },
+ { 0, FIXUP_TERMINATOR }
};
+ static const uint32_t fixupcontext[FIXUP_MAX] = { 0 };
- rom_add_blob_fixed("aspeed.smpboot", poll_mailbox_ready,
- sizeof(poll_mailbox_ready),
- info->smp_loader_start);
+ arm_write_bootloader("aspeed.smpboot", as, info->smp_loader_start,
+ poll_mailbox_ready, fixupcontext);
}
static void aspeed_reset_secondary(ARMCPU *cpu,
diff --git a/hw/arm/boot.c b/hw/arm/boot.c
index 15c2bf1867..8ff315f431 100644
--- a/hw/arm/boot.c
+++ b/hw/arm/boot.c
@@ -59,26 +59,6 @@ AddressSpace *arm_boot_address_space(ARMCPU *cpu,
return cpu_get_address_space(cs, asidx);
}
-typedef enum {
- FIXUP_NONE = 0, /* do nothing */
- FIXUP_TERMINATOR, /* end of insns */
- FIXUP_BOARDID, /* overwrite with board ID number */
- FIXUP_BOARD_SETUP, /* overwrite with board specific setup code address */
- FIXUP_ARGPTR_LO, /* overwrite with pointer to kernel args */
- FIXUP_ARGPTR_HI, /* overwrite with pointer to kernel args (high half) */
- FIXUP_ENTRYPOINT_LO, /* overwrite with kernel entry point */
- FIXUP_ENTRYPOINT_HI, /* overwrite with kernel entry point (high half) */
- FIXUP_GIC_CPU_IF, /* overwrite with GIC CPU interface address */
- FIXUP_BOOTREG, /* overwrite with boot register address */
- FIXUP_DSB, /* overwrite with correct DSB insn for cpu */
- FIXUP_MAX,
-} FixupType;
-
-typedef struct ARMInsnFixup {
- uint32_t insn;
- FixupType fixup;
-} ARMInsnFixup;
-
static const ARMInsnFixup bootloader_aarch64[] = {
{ 0x580000c0 }, /* ldr x0, arg ; Load the lower 32-bits of DTB */
{ 0xaa1f03e1 }, /* mov x1, xzr */
@@ -149,9 +129,10 @@ static const ARMInsnFixup smpboot[] = {
{ 0, FIXUP_TERMINATOR }
};
-static void write_bootloader(const char *name, hwaddr addr,
- const ARMInsnFixup *insns, uint32_t *fixupcontext,
- AddressSpace *as)
+void arm_write_bootloader(const char *name,
+ AddressSpace *as, hwaddr addr,
+ const ARMInsnFixup *insns,
+ const uint32_t *fixupcontext)
{
/* Fix up the specified bootloader fragment and write it into
* guest memory using rom_add_blob_fixed(). fixupcontext is
@@ -213,8 +194,8 @@ static void default_write_secondary(ARMCPU *cpu,
fixupcontext[FIXUP_DSB] = CP15_DSB_INSN;
}
- write_bootloader("smpboot", info->smp_loader_start,
- smpboot, fixupcontext, as);
+ arm_write_bootloader("smpboot", as, info->smp_loader_start,
+ smpboot, fixupcontext);
}
void arm_write_secure_board_setup_dummy_smc(ARMCPU *cpu,
@@ -686,7 +667,10 @@ int arm_load_dtb(hwaddr addr, const struct arm_boot_info
*binfo,
qemu_register_reset_nosnapshotload(qemu_fdt_randomize_seeds,
rom_ptr_for_as(as, addr, size));
- g_free(fdt);
+ if (fdt != ms->fdt) {
+ g_free(ms->fdt);
+ ms->fdt = fdt;
+ }
return size;
@@ -1171,8 +1155,8 @@ static void arm_setup_direct_kernel_boot(ARMCPU *cpu,
fixupcontext[FIXUP_ENTRYPOINT_LO] = entry;
fixupcontext[FIXUP_ENTRYPOINT_HI] = entry >> 32;
- write_bootloader("bootloader", info->loader_start,
- primary_loader, fixupcontext, as);
+ arm_write_bootloader("bootloader", as, info->loader_start,
+ primary_loader, fixupcontext);
if (info->write_board_setup) {
info->write_board_setup(cpu, info);
diff --git a/hw/arm/raspi.c b/hw/arm/raspi.c
index 92d068d1f9..a7d287b1a8 100644
--- a/hw/arm/raspi.c
+++ b/hw/arm/raspi.c
@@ -16,6 +16,7 @@
#include "qemu/units.h"
#include "qemu/cutils.h"
#include "qapi/error.h"
+#include "hw/arm/boot.h"
#include "hw/arm/bcm2836.h"
#include "hw/registerfields.h"
#include "qemu/error-report.h"
@@ -124,20 +125,22 @@ static const char *board_type(uint32_t board_rev)
static void write_smpboot(ARMCPU *cpu, const struct arm_boot_info *info)
{
- static const uint32_t smpboot[] = {
- 0xe1a0e00f, /* mov lr, pc */
- 0xe3a0fe00 + (BOARDSETUP_ADDR >> 4), /* mov pc, BOARDSETUP_ADDR */
- 0xee100fb0, /* mrc p15, 0, r0, c0, c0, 5;get core ID */
- 0xe7e10050, /* ubfx r0, r0, #0, #2 ;extract LSB */
- 0xe59f5014, /* ldr r5, =0x400000CC ;load mbox base */
- 0xe320f001, /* 1: yield */
- 0xe7953200, /* ldr r3, [r5, r0, lsl #4] ;read mbox for our
core*/
- 0xe3530000, /* cmp r3, #0 ;spin while zero */
- 0x0afffffb, /* beq 1b */
- 0xe7853200, /* str r3, [r5, r0, lsl #4] ;clear mbox */
- 0xe12fff13, /* bx r3 ;jump to target */
- 0x400000cc, /* (constant: mailbox 3 read/clear base) */
+ static const ARMInsnFixup smpboot[] = {
+ { 0xe1a0e00f }, /* mov lr, pc */
+ { 0xe3a0fe00 + (BOARDSETUP_ADDR >> 4) }, /* mov pc, BOARDSETUP_ADDR */
+ { 0xee100fb0 }, /* mrc p15, 0, r0, c0, c0, 5;get core ID */
+ { 0xe7e10050 }, /* ubfx r0, r0, #0, #2 ;extract LSB */
+ { 0xe59f5014 }, /* ldr r5, =0x400000CC ;load mbox base */
+ { 0xe320f001 }, /* 1: yield */
+ { 0xe7953200 }, /* ldr r3, [r5, r0, lsl #4] ;read mbox for our
core */
+ { 0xe3530000 }, /* cmp r3, #0 ;spin while zero */
+ { 0x0afffffb }, /* beq 1b */
+ { 0xe7853200 }, /* str r3, [r5, r0, lsl #4] ;clear mbox */
+ { 0xe12fff13 }, /* bx r3 ;jump to target */
+ { 0x400000cc }, /* (constant: mailbox 3 read/clear base) */
+ { 0, FIXUP_TERMINATOR }
};
+ static const uint32_t fixupcontext[FIXUP_MAX] = { 0 };
/* check that we don't overrun board setup vectors */
QEMU_BUILD_BUG_ON(SMPBOOT_ADDR + sizeof(smpboot) > MVBAR_ADDR);
@@ -145,9 +148,8 @@ static void write_smpboot(ARMCPU *cpu, const struct
arm_boot_info *info)
QEMU_BUILD_BUG_ON((BOARDSETUP_ADDR & 0xf) != 0
|| (BOARDSETUP_ADDR >> 4) >= 0x100);
- rom_add_blob_fixed_as("raspi_smpboot", smpboot, sizeof(smpboot),
- info->smp_loader_start,
- arm_boot_address_space(cpu, info));
+ arm_write_bootloader("raspi_smpboot", arm_boot_address_space(cpu, info),
+ info->smp_loader_start, smpboot, fixupcontext);
}
static void write_smpboot64(ARMCPU *cpu, const struct arm_boot_info *info)
@@ -161,26 +163,28 @@ static void write_smpboot64(ARMCPU *cpu, const struct
arm_boot_info *info)
* the primary CPU goes into the kernel. We put these variables inside
* a rom blob, so that the reset for ROM contents zeroes them for us.
*/
- static const uint32_t smpboot[] = {
- 0xd2801b05, /* mov x5, 0xd8 */
- 0xd53800a6, /* mrs x6, mpidr_el1 */
- 0x924004c6, /* and x6, x6, #0x3 */
- 0xd503205f, /* spin: wfe */
- 0xf86678a4, /* ldr x4, [x5,x6,lsl #3] */
- 0xb4ffffc4, /* cbz x4, spin */
- 0xd2800000, /* mov x0, #0x0 */
- 0xd2800001, /* mov x1, #0x0 */
- 0xd2800002, /* mov x2, #0x0 */
- 0xd2800003, /* mov x3, #0x0 */
- 0xd61f0080, /* br x4 */
+ static const ARMInsnFixup smpboot[] = {
+ { 0xd2801b05 }, /* mov x5, 0xd8 */
+ { 0xd53800a6 }, /* mrs x6, mpidr_el1 */
+ { 0x924004c6 }, /* and x6, x6, #0x3 */
+ { 0xd503205f }, /* spin: wfe */
+ { 0xf86678a4 }, /* ldr x4, [x5,x6,lsl #3] */
+ { 0xb4ffffc4 }, /* cbz x4, spin */
+ { 0xd2800000 }, /* mov x0, #0x0 */
+ { 0xd2800001 }, /* mov x1, #0x0 */
+ { 0xd2800002 }, /* mov x2, #0x0 */
+ { 0xd2800003 }, /* mov x3, #0x0 */
+ { 0xd61f0080 }, /* br x4 */
+ { 0, FIXUP_TERMINATOR }
};
+ static const uint32_t fixupcontext[FIXUP_MAX] = { 0 };
static const uint64_t spintables[] = {
0, 0, 0, 0
};
- rom_add_blob_fixed_as("raspi_smpboot", smpboot, sizeof(smpboot),
- info->smp_loader_start, as);
+ arm_write_bootloader("raspi_smpboot", as, info->smp_loader_start,
+ smpboot, fixupcontext);
rom_add_blob_fixed_as("raspi_spintables", spintables, sizeof(spintables),
SPINTABLE_ADDR, as);
}
diff --git a/hw/arm/xlnx-zynqmp.c b/hw/arm/xlnx-zynqmp.c
index 335cfc417d..5905a33015 100644
--- a/hw/arm/xlnx-zynqmp.c
+++ b/hw/arm/xlnx-zynqmp.c
@@ -213,7 +213,7 @@ static void xlnx_zynqmp_create_rpu(MachineState *ms,
XlnxZynqMPState *s,
const char *boot_cpu, Error **errp)
{
int i;
- int num_rpus = MIN(ms->smp.cpus - XLNX_ZYNQMP_NUM_APU_CPUS,
+ int num_rpus = MIN((int)(ms->smp.cpus - XLNX_ZYNQMP_NUM_APU_CPUS),
XLNX_ZYNQMP_NUM_RPU_CPUS);
if (num_rpus <= 0) {
diff --git a/hw/core/machine.c b/hw/core/machine.c
index 8d34caa31d..19f42450f5 100644
--- a/hw/core/machine.c
+++ b/hw/core/machine.c
@@ -42,6 +42,9 @@
GlobalProperty hw_compat_7_1[] = {
{ "virtio-device", "queue_reset", "false" },
+ { "virtio-rng-pci", "vectors", "0" },
+ { "virtio-rng-pci-transitional", "vectors", "0" },
+ { "virtio-rng-pci-non-transitional", "vectors", "0" },
};
const size_t hw_compat_7_1_len = G_N_ELEMENTS(hw_compat_7_1);
@@ -1326,6 +1329,14 @@ void machine_run_board_init(MachineState *machine, const
char *mem_path, Error *
}
} else if (machine_class->default_ram_id && machine->ram_size &&
numa_uses_legacy_mem()) {
+ if (object_property_find(object_get_objects_root(),
+ machine_class->default_ram_id)) {
+ error_setg(errp, "object name '%s' is reserved for the default"
+ " RAM backend, it can't be used for any other purposes."
+ " Change the object's 'id' to something else",
+ machine_class->default_ram_id);
+ return;
+ }
if (!create_default_memdev(current_machine, mem_path, errp)) {
return;
}
diff --git a/hw/display/virtio-gpu.c b/hw/display/virtio-gpu.c
index 5e15c79b94..4e2e0dd53a 100644
--- a/hw/display/virtio-gpu.c
+++ b/hw/display/virtio-gpu.c
@@ -498,6 +498,8 @@ static void virtio_gpu_resource_flush(VirtIOGPU *g,
struct virtio_gpu_resource_flush rf;
struct virtio_gpu_scanout *scanout;
pixman_region16_t flush_region;
+ bool within_bounds = false;
+ bool update_submitted = false;
int i;
VIRTIO_GPU_FILL_CMD(rf);
@@ -518,13 +520,28 @@ static void virtio_gpu_resource_flush(VirtIOGPU *g,
rf.r.x < scanout->x + scanout->width &&
rf.r.x + rf.r.width >= scanout->x &&
rf.r.y < scanout->y + scanout->height &&
- rf.r.y + rf.r.height >= scanout->y &&
- console_has_gl(scanout->con)) {
- dpy_gl_update(scanout->con, 0, 0, scanout->width,
- scanout->height);
+ rf.r.y + rf.r.height >= scanout->y) {
+ within_bounds = true;
+
+ if (console_has_gl(scanout->con)) {
+ dpy_gl_update(scanout->con, 0, 0, scanout->width,
+ scanout->height);
+ update_submitted = true;
+ }
}
}
- return;
+
+ if (update_submitted) {
+ return;
+ }
+ if (!within_bounds) {
+ qemu_log_mask(LOG_GUEST_ERROR, "%s: flush bounds outside scanouts"
+ " bounds for flush %d: %d %d %d %d\n",
+ __func__, rf.resource_id, rf.r.x, rf.r.y,
+ rf.r.width, rf.r.height);
+ cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER;
+ return;
+ }
}
if (!res->blob &&
diff --git a/hw/dma/xilinx_axidma.c b/hw/dma/xilinx_axidma.c
index cbb8f0f169..99e50f65e2 100644
--- a/hw/dma/xilinx_axidma.c
+++ b/hw/dma/xilinx_axidma.c
@@ -168,6 +168,11 @@ static inline int stream_idle(struct Stream *s)
return !!(s->regs[R_DMASR] & DMASR_IDLE);
}
+static inline int stream_halted(struct Stream *s)
+{
+ return !!(s->regs[R_DMASR] & DMASR_HALTED);
+}
+
static void stream_reset(struct Stream *s)
{
s->regs[R_DMASR] = DMASR_HALTED; /* starts up halted. */
@@ -269,7 +274,7 @@ static void stream_process_mem2s(struct Stream *s,
StreamSink *tx_data_dev,
uint64_t addr;
bool eop;
- if (!stream_running(s) || stream_idle(s)) {
+ if (!stream_running(s) || stream_idle(s) || stream_halted(s)) {
return;
}
@@ -326,7 +331,7 @@ static size_t stream_process_s2mem(struct Stream *s,
unsigned char *buf,
unsigned int rxlen;
size_t pos = 0;
- if (!stream_running(s) || stream_idle(s)) {
+ if (!stream_running(s) || stream_idle(s) || stream_halted(s)) {
return 0;
}
@@ -407,7 +412,7 @@ xilinx_axidma_data_stream_can_push(StreamSink *obj,
XilinxAXIDMAStreamSink *ds = XILINX_AXI_DMA_DATA_STREAM(obj);
struct Stream *s = &ds->dma->streams[1];
- if (!stream_running(s) || stream_idle(s)) {
+ if (!stream_running(s) || stream_idle(s) || stream_halted(s)) {
ds->dma->notify = notify;
ds->dma->notify_opaque = notify_opaque;
return false;
diff --git a/hw/hppa/machine.c b/hw/hppa/machine.c
index de1cc7ab71..98a78b84b4 100644
--- a/hw/hppa/machine.c
+++ b/hw/hppa/machine.c
@@ -123,6 +123,7 @@ static FWCfgState *create_fw_cfg(MachineState *ms)
{
FWCfgState *fw_cfg;
uint64_t val;
+ const char qemu_version[] = QEMU_VERSION;
fw_cfg = fw_cfg_init_mem(FW_CFG_IO_BASE, FW_CFG_IO_BASE + 4);
fw_cfg_add_i16(fw_cfg, FW_CFG_NB_CPUS, ms->smp.cpus);
@@ -148,6 +149,10 @@ static FWCfgState *create_fw_cfg(MachineState *ms)
fw_cfg_add_i16(fw_cfg, FW_CFG_BOOT_DEVICE, ms->boot_config.order[0]);
qemu_register_boot_set(fw_cfg_boot_set, fw_cfg);
+ fw_cfg_add_file(fw_cfg, "/etc/qemu-version",
+ g_memdup(qemu_version, sizeof(qemu_version)),
+ sizeof(qemu_version));
+
return fw_cfg;
}
@@ -418,10 +423,16 @@ static void hppa_machine_reset(MachineState *ms,
ShutdownCause reason)
/* Start all CPUs at the firmware entry point.
* Monarch CPU will initialize firmware, secondary CPUs
- * will enter a small idle look and wait for rendevouz. */
+ * will enter a small idle loop and wait for rendevouz. */
for (i = 0; i < smp_cpus; i++) {
- cpu_set_pc(CPU(cpu[i]), firmware_entry);
+ CPUState *cs = CPU(cpu[i]);
+
+ cpu_set_pc(cs, firmware_entry);
+ cpu[i]->env.psw = PSW_Q;
cpu[i]->env.gr[5] = CPU_HPA + i * 0x1000;
+
+ cs->exception_index = -1;
+ cs->halted = 0;
}
/* already initialized by machine_hppa_init()? */
diff --git a/hw/i386/intel_iommu.c b/hw/i386/intel_iommu.c
index a08ee85edf..d025ef2873 100644
--- a/hw/i386/intel_iommu.c
+++ b/hw/i386/intel_iommu.c
@@ -3179,6 +3179,7 @@ static int
vtd_iommu_notify_flag_changed(IOMMUMemoryRegion *iommu,
{
VTDAddressSpace *vtd_as = container_of(iommu, VTDAddressSpace, iommu);
IntelIOMMUState *s = vtd_as->iommu_state;
+ X86IOMMUState *x86_iommu = X86_IOMMU_DEVICE(s);
/* TODO: add support for VFIO and vhost users */
if (s->snoop_control) {
@@ -3186,6 +3187,20 @@ static int
vtd_iommu_notify_flag_changed(IOMMUMemoryRegion *iommu,
"Snoop Control with vhost or VFIO is not supported");
return -ENOTSUP;
}
+ if (!s->caching_mode && (new & IOMMU_NOTIFIER_MAP)) {
+ error_setg_errno(errp, ENOTSUP,
+ "device %02x.%02x.%x requires caching mode",
+ pci_bus_num(vtd_as->bus), PCI_SLOT(vtd_as->devfn),
+ PCI_FUNC(vtd_as->devfn));
+ return -ENOTSUP;
+ }
+ if (!x86_iommu->dt_supported && (new & IOMMU_NOTIFIER_DEVIOTLB_UNMAP)) {
+ error_setg_errno(errp, ENOTSUP,
+ "device %02x.%02x.%x requires device IOTLB mode",
+ pci_bus_num(vtd_as->bus), PCI_SLOT(vtd_as->devfn),
+ PCI_FUNC(vtd_as->devfn));
+ return -ENOTSUP;
+ }
/* Update per-address-space notifier flags */
vtd_as->notifier_flags = new;
diff --git a/hw/i386/microvm.c b/hw/i386/microvm.c
index 170a331e3f..b231ceda9a 100644
--- a/hw/i386/microvm.c
+++ b/hw/i386/microvm.c
@@ -330,7 +330,7 @@ static void microvm_memory_init(MicrovmMachineState *mms)
rom_set_fw(fw_cfg);
if (machine->kernel_filename != NULL) {
- x86_load_linux(x86ms, fw_cfg, 0, true, false);
+ x86_load_linux(x86ms, fw_cfg, 0, true);
}
if (mms->option_roms) {
diff --git a/hw/i386/pc.c b/hw/i386/pc.c
index 546b703cb4..ec5a10534b 100644
--- a/hw/i386/pc.c
+++ b/hw/i386/pc.c
@@ -799,7 +799,7 @@ void xen_load_linux(PCMachineState *pcms)
rom_set_fw(fw_cfg);
x86_load_linux(x86ms, fw_cfg, pcmc->acpi_data_size,
- pcmc->pvh_enabled, pcmc->legacy_no_rng_seed);
+ pcmc->pvh_enabled);
for (i = 0; i < nb_option_roms; i++) {
assert(!strcmp(option_rom[i].name, "linuxboot.bin") ||
!strcmp(option_rom[i].name, "linuxboot_dma.bin") ||
@@ -1119,7 +1119,7 @@ void pc_memory_init(PCMachineState *pcms,
if (linux_boot) {
x86_load_linux(x86ms, fw_cfg, pcmc->acpi_data_size,
- pcmc->pvh_enabled, pcmc->legacy_no_rng_seed);
+ pcmc->pvh_enabled);
}
for (i = 0; i < nb_option_roms; i++) {
diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c
index 0ad0ed1603..04f793cca1 100644
--- a/hw/i386/pc_piix.c
+++ b/hw/i386/pc_piix.c
@@ -405,6 +405,7 @@ static void pc_xen_hvm_init(MachineState *machine)
}
pc_xen_hvm_init_pci(machine);
+ xen_igd_reserve_slot(pcms->bus);
pci_create_simple(pcms->bus, -1, "xen-platform");
}
#endif
@@ -449,11 +450,9 @@ DEFINE_I440FX_MACHINE(v7_2, "pc-i440fx-7.2", NULL,
static void pc_i440fx_7_1_machine_options(MachineClass *m)
{
- PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
pc_i440fx_7_2_machine_options(m);
m->alias = NULL;
m->is_default = false;
- pcmc->legacy_no_rng_seed = true;
compat_props_add(m->compat_props, hw_compat_7_1, hw_compat_7_1_len);
compat_props_add(m->compat_props, pc_compat_7_1, pc_compat_7_1_len);
}
diff --git a/hw/i386/pc_q35.c b/hw/i386/pc_q35.c
index a496bd6e74..f522874add 100644
--- a/hw/i386/pc_q35.c
+++ b/hw/i386/pc_q35.c
@@ -383,10 +383,8 @@ DEFINE_Q35_MACHINE(v7_2, "pc-q35-7.2", NULL,
static void pc_q35_7_1_machine_options(MachineClass *m)
{
- PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
pc_q35_7_2_machine_options(m);
m->alias = NULL;
- pcmc->legacy_no_rng_seed = true;
compat_props_add(m->compat_props, hw_compat_7_1, hw_compat_7_1_len);
compat_props_add(m->compat_props, pc_compat_7_1, pc_compat_7_1_len);
}
diff --git a/hw/i386/x86.c b/hw/i386/x86.c
index 78cc131926..80be3032cc 100644
--- a/hw/i386/x86.c
+++ b/hw/i386/x86.c
@@ -26,7 +26,6 @@
#include "qemu/cutils.h"
#include "qemu/units.h"
#include "qemu/datadir.h"
-#include "qemu/guest-random.h"
#include "qapi/error.h"
#include "qapi/qmp/qerror.h"
#include "qapi/qapi-visit-common.h"
@@ -37,7 +36,6 @@
#include "sysemu/whpx.h"
#include "sysemu/numa.h"
#include "sysemu/replay.h"
-#include "sysemu/reset.h"
#include "sysemu/sysemu.h"
#include "sysemu/cpu-timers.h"
#include "sysemu/xen.h"
@@ -657,12 +655,12 @@ DeviceState *ioapic_init_secondary(GSIState *gsi_state)
return dev;
}
-typedef struct SetupData {
+struct setup_data {
uint64_t next;
uint32_t type;
uint32_t len;
uint8_t data[];
-} __attribute__((packed)) SetupData;
+} __attribute__((packed));
/*
@@ -769,35 +767,10 @@ static bool load_elfboot(const char *kernel_filename,
return true;
}
-typedef struct SetupDataFixup {
- void *pos;
- hwaddr orig_val, new_val;
- uint32_t addr;
-} SetupDataFixup;
-
-static void fixup_setup_data(void *opaque)
-{
- SetupDataFixup *fixup = opaque;
- stq_p(fixup->pos, fixup->new_val);
-}
-
-static void reset_setup_data(void *opaque)
-{
- SetupDataFixup *fixup = opaque;
- stq_p(fixup->pos, fixup->orig_val);
-}
-
-static void reset_rng_seed(void *opaque)
-{
- SetupData *setup_data = opaque;
- qemu_guest_getrandom_nofail(setup_data->data,
le32_to_cpu(setup_data->len));
-}
-
void x86_load_linux(X86MachineState *x86ms,
FWCfgState *fw_cfg,
int acpi_data_size,
- bool pvh_enabled,
- bool legacy_no_rng_seed)
+ bool pvh_enabled)
{
bool linuxboot_dma_enabled =
X86_MACHINE_GET_CLASS(x86ms)->fwcfg_dma_enabled;
uint16_t protocol;
@@ -805,17 +778,16 @@ void x86_load_linux(X86MachineState *x86ms,
int dtb_size, setup_data_offset;
uint32_t initrd_max;
uint8_t header[8192], *setup, *kernel;
- hwaddr real_addr, prot_addr, cmdline_addr, initrd_addr = 0,
first_setup_data = 0;
+ hwaddr real_addr, prot_addr, cmdline_addr, initrd_addr = 0;
FILE *f;
char *vmode;
MachineState *machine = MACHINE(x86ms);
- SetupData *setup_data;
+ struct setup_data *setup_data;
const char *kernel_filename = machine->kernel_filename;
const char *initrd_filename = machine->initrd_filename;
const char *dtb_filename = machine->dtb;
const char *kernel_cmdline = machine->kernel_cmdline;
SevKernelLoaderContext sev_load_ctx = {};
- enum { RNG_SEED_LENGTH = 32 };
/* Align to 16 bytes as a paranoia measure */
cmdline_size = (strlen(kernel_cmdline) + 16) & ~15;
@@ -1092,41 +1064,19 @@ void x86_load_linux(X86MachineState *x86ms,
}
setup_data_offset = QEMU_ALIGN_UP(kernel_size, 16);
- kernel_size = setup_data_offset + sizeof(SetupData) + dtb_size;
+ kernel_size = setup_data_offset + sizeof(struct setup_data) + dtb_size;
kernel = g_realloc(kernel, kernel_size);
+ stq_p(header + 0x250, prot_addr + setup_data_offset);
- setup_data = (SetupData *)(kernel + setup_data_offset);
- setup_data->next = cpu_to_le64(first_setup_data);
- first_setup_data = prot_addr + setup_data_offset;
+ setup_data = (struct setup_data *)(kernel + setup_data_offset);
+ setup_data->next = 0;
setup_data->type = cpu_to_le32(SETUP_DTB);
setup_data->len = cpu_to_le32(dtb_size);
load_image_size(dtb_filename, setup_data->data, dtb_size);
}
- if (!legacy_no_rng_seed) {
- setup_data_offset = QEMU_ALIGN_UP(kernel_size, 16);
- kernel_size = setup_data_offset + sizeof(SetupData) + RNG_SEED_LENGTH;
- kernel = g_realloc(kernel, kernel_size);
- setup_data = (SetupData *)(kernel + setup_data_offset);
- setup_data->next = cpu_to_le64(first_setup_data);
- first_setup_data = prot_addr + setup_data_offset;
- setup_data->type = cpu_to_le32(SETUP_RNG_SEED);
- setup_data->len = cpu_to_le32(RNG_SEED_LENGTH);
- qemu_guest_getrandom_nofail(setup_data->data, RNG_SEED_LENGTH);
- qemu_register_reset_nosnapshotload(reset_rng_seed, setup_data);
- fw_cfg_add_bytes_callback(fw_cfg, FW_CFG_KERNEL_DATA, reset_rng_seed,
NULL,
- setup_data, kernel, kernel_size, true);
- } else {
- fw_cfg_add_bytes(fw_cfg, FW_CFG_KERNEL_DATA, kernel, kernel_size);
- }
-
- fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_ADDR, prot_addr);
- fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_SIZE, kernel_size);
- sev_load_ctx.kernel_data = (char *)kernel;
- sev_load_ctx.kernel_size = kernel_size;
-
/*
* If we're starting an encrypted VM, it will be OVMF based, which uses the
* efi stub for booting and doesn't require any values to be placed in the
@@ -1135,20 +1085,16 @@ void x86_load_linux(X86MachineState *x86ms,
* file the user passed in.
*/
if (!sev_enabled()) {
- SetupDataFixup *fixup = g_malloc(sizeof(*fixup));
-
memcpy(setup, header, MIN(sizeof(header), setup_size));
- /* Offset 0x250 is a pointer to the first setup_data link. */
- fixup->pos = setup + 0x250;
- fixup->orig_val = ldq_p(fixup->pos);
- fixup->new_val = first_setup_data;
- fixup->addr = cpu_to_le32(real_addr);
- fw_cfg_add_bytes_callback(fw_cfg, FW_CFG_SETUP_ADDR, fixup_setup_data,
NULL,
- fixup, &fixup->addr, sizeof(fixup->addr),
true);
- qemu_register_reset(reset_setup_data, fixup);
- } else {
- fw_cfg_add_i32(fw_cfg, FW_CFG_SETUP_ADDR, real_addr);
}
+
+ fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_ADDR, prot_addr);
+ fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_SIZE, kernel_size);
+ fw_cfg_add_bytes(fw_cfg, FW_CFG_KERNEL_DATA, kernel, kernel_size);
+ sev_load_ctx.kernel_data = (char *)kernel;
+ sev_load_ctx.kernel_size = kernel_size;
+
+ fw_cfg_add_i32(fw_cfg, FW_CFG_SETUP_ADDR, real_addr);
fw_cfg_add_i32(fw_cfg, FW_CFG_SETUP_SIZE, setup_size);
fw_cfg_add_bytes(fw_cfg, FW_CFG_SETUP_DATA, setup, setup_size);
sev_load_ctx.setup_data = (char *)setup;
diff --git a/hw/intc/allwinner-a10-pic.c b/hw/intc/allwinner-a10-pic.c
index 8cca124807..d0bf8d545b 100644
--- a/hw/intc/allwinner-a10-pic.c
+++ b/hw/intc/allwinner-a10-pic.c
@@ -49,12 +49,9 @@ static void aw_a10_pic_update(AwA10PICState *s)
static void aw_a10_pic_set_irq(void *opaque, int irq, int level)
{
AwA10PICState *s = opaque;
+ uint32_t *pending_reg = &s->irq_pending[irq / 32];
- if (level) {
- set_bit(irq % 32, (void *)&s->irq_pending[irq / 32]);
- } else {
- clear_bit(irq % 32, (void *)&s->irq_pending[irq / 32]);
- }
+ *pending_reg = deposit32(*pending_reg, irq % 32, 1, !!level);
aw_a10_pic_update(s);
}
diff --git a/hw/misc/aspeed_hace.c b/hw/misc/aspeed_hace.c
index ac21be306c..69175e972d 100644
--- a/hw/misc/aspeed_hace.c
+++ b/hw/misc/aspeed_hace.c
@@ -189,7 +189,7 @@ static void do_hash_operation(AspeedHACEState *s, int algo,
bool sg_mode,
bool acc_mode)
{
struct iovec iov[ASPEED_HACE_MAX_SG];
- g_autofree uint8_t *digest_buf;
+ g_autofree uint8_t *digest_buf = NULL;
size_t digest_len = 0;
int niov = 0;
int i;
diff --git a/hw/net/allwinner-sun8i-emac.c b/hw/net/allwinner-sun8i-emac.c
index ecc0245fe8..c3fed5fcbe 100644
--- a/hw/net/allwinner-sun8i-emac.c
+++ b/hw/net/allwinner-sun8i-emac.c
@@ -350,8 +350,13 @@ static void allwinner_sun8i_emac_get_desc(AwSun8iEmacState
*s,
FrameDescriptor *desc,
uint32_t phys_addr)
{
- dma_memory_read(&s->dma_as, phys_addr, desc, sizeof(*desc),
+ uint32_t desc_words[4];
+ dma_memory_read(&s->dma_as, phys_addr, &desc_words, sizeof(desc_words),
MEMTXATTRS_UNSPECIFIED);
+ desc->status = le32_to_cpu(desc_words[0]);
+ desc->status2 = le32_to_cpu(desc_words[1]);
+ desc->addr = le32_to_cpu(desc_words[2]);
+ desc->next = le32_to_cpu(desc_words[3]);
}
static uint32_t allwinner_sun8i_emac_next_desc(AwSun8iEmacState *s,
@@ -400,10 +405,15 @@ static uint32_t
allwinner_sun8i_emac_tx_desc(AwSun8iEmacState *s,
}
static void allwinner_sun8i_emac_flush_desc(AwSun8iEmacState *s,
- FrameDescriptor *desc,
+ const FrameDescriptor *desc,
uint32_t phys_addr)
{
- dma_memory_write(&s->dma_as, phys_addr, desc, sizeof(*desc),
+ uint32_t desc_words[4];
+ desc_words[0] = cpu_to_le32(desc->status);
+ desc_words[1] = cpu_to_le32(desc->status2);
+ desc_words[2] = cpu_to_le32(desc->addr);
+ desc_words[3] = cpu_to_le32(desc->next);
+ dma_memory_write(&s->dma_as, phys_addr, &desc_words, sizeof(desc_words),
MEMTXATTRS_UNSPECIFIED);
}
@@ -638,8 +648,7 @@ static uint64_t allwinner_sun8i_emac_read(void *opaque,
hwaddr offset,
break;
case REG_TX_CUR_BUF: /* Transmit Current Buffer */
if (s->tx_desc_curr != 0) {
- dma_memory_read(&s->dma_as, s->tx_desc_curr, &desc, sizeof(desc),
- MEMTXATTRS_UNSPECIFIED);
+ allwinner_sun8i_emac_get_desc(s, &desc, s->tx_desc_curr);
value = desc.addr;
} else {
value = 0;
@@ -652,8 +661,7 @@ static uint64_t allwinner_sun8i_emac_read(void *opaque,
hwaddr offset,
break;
case REG_RX_CUR_BUF: /* Receive Current Buffer */
if (s->rx_desc_curr != 0) {
- dma_memory_read(&s->dma_as, s->rx_desc_curr, &desc, sizeof(desc),
- MEMTXATTRS_UNSPECIFIED);
+ allwinner_sun8i_emac_get_desc(s, &desc, s->rx_desc_curr);
value = desc.addr;
} else {
value = 0;
diff --git a/hw/net/e1000.c b/hw/net/e1000.c
index e26e0a64c1..0dfdf47313 100644
--- a/hw/net/e1000.c
+++ b/hw/net/e1000.c
@@ -567,7 +567,7 @@ e1000_send_packet(E1000State *s, const uint8_t *buf, int
size)
qemu_send_packet(nc, buf, size);
}
inc_tx_bcast_or_mcast_count(s, buf);
- e1000x_increase_size_stats(s->mac_reg, PTCregs, size);
+ e1000x_increase_size_stats(s->mac_reg, PTCregs, size + 4);
}
static void
@@ -631,10 +631,9 @@ xmit_seg(E1000State *s)
}
e1000x_inc_reg_if_not_full(s->mac_reg, TPT);
- e1000x_grow_8reg_if_not_full(s->mac_reg, TOTL, s->tx.size);
- s->mac_reg[GPTC] = s->mac_reg[TPT];
- s->mac_reg[GOTCL] = s->mac_reg[TOTL];
- s->mac_reg[GOTCH] = s->mac_reg[TOTH];
+ e1000x_grow_8reg_if_not_full(s->mac_reg, TOTL, s->tx.size + 4);
+ e1000x_inc_reg_if_not_full(s->mac_reg, GPTC);
+ e1000x_grow_8reg_if_not_full(s->mac_reg, GOTCL, s->tx.size + 4);
}
static void
diff --git a/hw/net/e1000e_core.c b/hw/net/e1000e_core.c
index fc9cdb4528..c71d82ce1d 100644
--- a/hw/net/e1000e_core.c
+++ b/hw/net/e1000e_core.c
@@ -687,9 +687,8 @@ e1000e_on_tx_done_update_stats(E1000ECore *core, struct
NetTxPkt *tx_pkt)
g_assert_not_reached();
}
- core->mac[GPTC] = core->mac[TPT];
- core->mac[GOTCL] = core->mac[TOTL];
- core->mac[GOTCH] = core->mac[TOTH];
+ e1000x_inc_reg_if_not_full(core->mac, GPTC);
+ e1000x_grow_8reg_if_not_full(core->mac, GOTCL, tot_len);
}
static void
diff --git a/hw/net/e1000x_common.c b/hw/net/e1000x_common.c
index a8d93870b5..3fdc34f753 100644
--- a/hw/net/e1000x_common.c
+++ b/hw/net/e1000x_common.c
@@ -217,15 +217,14 @@ e1000x_update_rx_total_stats(uint32_t *mac,
e1000x_increase_size_stats(mac, PRCregs, data_fcs_size);
e1000x_inc_reg_if_not_full(mac, TPR);
- mac[GPRC] = mac[TPR];
+ e1000x_inc_reg_if_not_full(mac, GPRC);
/* TOR - Total Octets Received:
* This register includes bytes received in a packet from the <Destination
* Address> field through the <CRC> field, inclusively.
* Always include FCS length (4) in size.
*/
e1000x_grow_8reg_if_not_full(mac, TORL, data_size + 4);
- mac[GORCL] = mac[TORL];
- mac[GORCH] = mac[TORH];
+ e1000x_grow_8reg_if_not_full(mac, GORCL, data_size + 4);
}
void
diff --git a/hw/net/msf2-emac.c b/hw/net/msf2-emac.c
index 7ccd3e5142..db3a04deb1 100644
--- a/hw/net/msf2-emac.c
+++ b/hw/net/msf2-emac.c
@@ -118,14 +118,18 @@ static void emac_load_desc(MSF2EmacState *s, EmacDesc *d,
hwaddr desc)
d->next = le32_to_cpu(d->next);
}
-static void emac_store_desc(MSF2EmacState *s, EmacDesc *d, hwaddr desc)
+static void emac_store_desc(MSF2EmacState *s, const EmacDesc *d, hwaddr desc)
{
- /* Convert from host endianness into LE. */
- d->pktaddr = cpu_to_le32(d->pktaddr);
- d->pktsize = cpu_to_le32(d->pktsize);
- d->next = cpu_to_le32(d->next);
-
- address_space_write(&s->dma_as, desc, MEMTXATTRS_UNSPECIFIED, d, sizeof
*d);
+ EmacDesc outd;
+ /*
+ * Convert from host endianness into LE. We use a local struct because
+ * calling code may still want to look at the fields afterwards.
+ */
+ outd.pktaddr = cpu_to_le32(d->pktaddr);
+ outd.pktsize = cpu_to_le32(d->pktsize);
+ outd.next = cpu_to_le32(d->next);
+
+ address_space_write(&s->dma_as, desc, MEMTXATTRS_UNSPECIFIED, &outd,
sizeof outd);
}
static void msf2_dma_tx(MSF2EmacState *s)
diff --git a/hw/net/rtl8139.c b/hw/net/rtl8139.c
index 700b1b66b6..eb679d7c40 100644
--- a/hw/net/rtl8139.c
+++ b/hw/net/rtl8139.c
@@ -2154,6 +2154,9 @@ static int rtl8139_cplus_transmit_one(RTL8139State *s)
int large_send_mss = (txdw0 >> CP_TC_LGSEN_MSS_SHIFT) &
CP_TC_LGSEN_MSS_MASK;
+ if (large_send_mss == 0) {
+ goto skip_offload;
+ }
DPRINTF("+++ C+ mode offloaded task TSO IP data %d "
"frame data %d specified MSS=%d\n",
diff --git a/hw/net/virtio-net.c b/hw/net/virtio-net.c
index aba12759d5..4abd49e298 100644
--- a/hw/net/virtio-net.c
+++ b/hw/net/virtio-net.c
@@ -802,7 +802,6 @@ static uint64_t virtio_net_get_features(VirtIODevice *vdev,
uint64_t features,
}
if (!get_vhost_net(nc->peer)) {
- virtio_add_feature(&features, VIRTIO_F_RING_RESET);
return features;
}
diff --git a/hw/net/vmxnet3.c b/hw/net/vmxnet3.c
index d2ab527ef4..56559cda24 100644
--- a/hw/net/vmxnet3.c
+++ b/hw/net/vmxnet3.c
@@ -1441,7 +1441,7 @@ static void vmxnet3_activate_device(VMXNET3State *s)
vmxnet3_setup_rx_filtering(s);
/* Cache fields from shared memory */
s->mtu = VMXNET3_READ_DRV_SHARED32(d, s->drv_shmem, devRead.misc.mtu);
- assert(VMXNET3_MIN_MTU <= s->mtu && s->mtu < VMXNET3_MAX_MTU);
+ assert(VMXNET3_MIN_MTU <= s->mtu && s->mtu <= VMXNET3_MAX_MTU);
VMW_CFPRN("MTU is %u", s->mtu);
s->max_rx_frags =
diff --git a/hw/nvme/ctrl.c b/hw/nvme/ctrl.c
index e54276dc1d..749a6938dd 100644
--- a/hw/nvme/ctrl.c
+++ b/hw/nvme/ctrl.c
@@ -1331,10 +1331,23 @@ static inline void nvme_blk_write(BlockBackend *blk,
int64_t offset,
}
}
+static void nvme_update_cq_eventidx(const NvmeCQueue *cq)
+{
+ uint32_t v = cpu_to_le32(cq->head);
+
+ //not in 7.2: trace_pci_nvme_update_cq_eventidx(cq->cqid, cq->head);
+
+ pci_dma_write(PCI_DEVICE(cq->ctrl), cq->ei_addr, &v, sizeof(v));
+}
+
static void nvme_update_cq_head(NvmeCQueue *cq)
{
- pci_dma_read(&cq->ctrl->parent_obj, cq->db_addr, &cq->head,
- sizeof(cq->head));
+ uint32_t v;
+
+ pci_dma_read(&cq->ctrl->parent_obj, cq->db_addr, &v, sizeof(v));
+
+ cq->head = le32_to_cpu(v);
+
trace_pci_nvme_shadow_doorbell_cq(cq->cqid, cq->head);
}
@@ -1351,6 +1364,7 @@ static void nvme_post_cqes(void *opaque)
hwaddr addr;
if (n->dbbuf_enabled) {
+ nvme_update_cq_eventidx(cq);
nvme_update_cq_head(cq);
}
@@ -2477,6 +2491,9 @@ static uint16_t nvme_dsm(NvmeCtrl *n, NvmeRequest *req)
status = nvme_h2c(n, (uint8_t *)iocb->range, sizeof(NvmeDsmRange) * nr,
req);
if (status) {
+ g_free(iocb->range);
+ qemu_aio_unref(iocb);
+
return status;
}
@@ -6141,15 +6158,21 @@ static uint16_t nvme_admin_cmd(NvmeCtrl *n, NvmeRequest
*req)
static void nvme_update_sq_eventidx(const NvmeSQueue *sq)
{
- pci_dma_write(&sq->ctrl->parent_obj, sq->ei_addr, &sq->tail,
- sizeof(sq->tail));
+ uint32_t v = cpu_to_le32(sq->tail);
+
+ pci_dma_write(&sq->ctrl->parent_obj, sq->ei_addr, &v, sizeof(v));
+
trace_pci_nvme_eventidx_sq(sq->sqid, sq->tail);
}
static void nvme_update_sq_tail(NvmeSQueue *sq)
{
- pci_dma_read(&sq->ctrl->parent_obj, sq->db_addr, &sq->tail,
- sizeof(sq->tail));
+ uint32_t v;
+
+ pci_dma_read(&sq->ctrl->parent_obj, sq->db_addr, &v, sizeof(v));
+
+ sq->tail = le32_to_cpu(v);
+
trace_pci_nvme_shadow_doorbell_sq(sq->sqid, sq->tail);
}
diff --git a/hw/nvram/fw_cfg.c b/hw/nvram/fw_cfg.c
index 6edf5ea3e9..371a45dfe2 100644
--- a/hw/nvram/fw_cfg.c
+++ b/hw/nvram/fw_cfg.c
@@ -693,12 +693,12 @@ static const VMStateDescription vmstate_fw_cfg = {
}
};
-void fw_cfg_add_bytes_callback(FWCfgState *s, uint16_t key,
- FWCfgCallback select_cb,
- FWCfgWriteCallback write_cb,
- void *callback_opaque,
- void *data, size_t len,
- bool read_only)
+static void fw_cfg_add_bytes_callback(FWCfgState *s, uint16_t key,
+ FWCfgCallback select_cb,
+ FWCfgWriteCallback write_cb,
+ void *callback_opaque,
+ void *data, size_t len,
+ bool read_only)
{
int arch = !!(key & FW_CFG_ARCH_LOCAL);
diff --git a/hw/ppc/ppc.c b/hw/ppc/ppc.c
index dc86c1c7db..fbdc48911e 100644
--- a/hw/ppc/ppc.c
+++ b/hw/ppc/ppc.c
@@ -806,6 +806,8 @@ static void __cpu_ppc_store_decr(PowerPCCPU *cpu, uint64_t
*nextp,
int64_t signed_decr;
/* Truncate value to decr_width and sign extend for simplicity */
+ value = extract64(value, 0, nr_bits);
+ decr = extract64(decr, 0, nr_bits);
signed_value = sextract64(value, 0, nr_bits);
signed_decr = sextract64(decr, 0, nr_bits);
diff --git a/hw/ppc/prep.c b/hw/ppc/prep.c
index fcbe4c5837..ec8d9584fb 100644
--- a/hw/ppc/prep.c
+++ b/hw/ppc/prep.c
@@ -271,9 +271,11 @@ static void ibm_40p_init(MachineState *machine)
}
/* PCI -> ISA bridge */
- i82378_dev = DEVICE(pci_create_simple(pci_bus, PCI_DEVFN(11, 0),
"i82378"));
+ i82378_dev = DEVICE(pci_new(PCI_DEVFN(11, 0), "i82378"));
qdev_connect_gpio_out(i82378_dev, 0,
qdev_get_gpio_in(DEVICE(cpu), PPC6xx_INPUT_INT));
+ qdev_realize_and_unref(i82378_dev, BUS(pci_bus), &error_fatal);
+
sysbus_connect_irq(pcihost, 0, qdev_get_gpio_in(i82378_dev, 15));
isa_bus = ISA_BUS(qdev_get_child_bus(i82378_dev, "isa.0"));
diff --git a/hw/rdma/vmw/pvrdma_cmd.c b/hw/rdma/vmw/pvrdma_cmd.c
index da7ddfa548..89db963c46 100644
--- a/hw/rdma/vmw/pvrdma_cmd.c
+++ b/hw/rdma/vmw/pvrdma_cmd.c
@@ -796,6 +796,12 @@ int pvrdma_exec_cmd(PVRDMADev *dev)
dsr_info = &dev->dsr_info;
+ if (!dsr_info->dsr) {
+ /* Buggy or malicious guest driver */
+ rdma_error_report("Exec command without dsr, req or rsp buffers");
+ goto out;
+ }
+
if (dsr_info->req->hdr.cmd >= sizeof(cmd_handlers) /
sizeof(struct cmd_handler)) {
rdma_error_report("Unsupported command");
diff --git a/hw/remote/trace-events b/hw/remote/trace-events
index c167b3c7a5..0d1b7d56a5 100644
--- a/hw/remote/trace-events
+++ b/hw/remote/trace-events
@@ -5,8 +5,8 @@ mpqemu_recv_io_error(int cmd, int size, int nfds) "failed to
receive %d size %d,
# vfio-user-obj.c
vfu_prop(const char *prop, const char *val) "vfu: setting %s as %s"
-vfu_cfg_read(uint32_t offset, uint32_t val) "vfu: cfg: 0x%u -> 0x%x"
-vfu_cfg_write(uint32_t offset, uint32_t val) "vfu: cfg: 0x%u <- 0x%x"
+vfu_cfg_read(uint32_t offset, uint32_t val) "vfu: cfg: 0x%x -> 0x%x"
+vfu_cfg_write(uint32_t offset, uint32_t val) "vfu: cfg: 0x%x <- 0x%x"
vfu_dma_register(uint64_t gpa, size_t len) "vfu: registering GPA 0x%"PRIx64",
%zu bytes"
vfu_dma_unregister(uint64_t gpa) "vfu: unregistering GPA 0x%"PRIx64""
vfu_bar_register(int i, uint64_t addr, uint64_t size) "vfu: BAR %d: addr
0x%"PRIx64" size 0x%"PRIx64""
diff --git a/hw/riscv/numa.c b/hw/riscv/numa.c
index 7fe92d402f..edf6750f54 100644
--- a/hw/riscv/numa.c
+++ b/hw/riscv/numa.c
@@ -207,6 +207,12 @@ int64_t riscv_numa_get_default_cpu_node_id(const
MachineState *ms, int idx)
{
int64_t nidx = 0;
+ if (ms->numa_state->num_nodes > ms->smp.cpus) {
+ error_report("Number of NUMA nodes (%d)"
+ " cannot exceed the number of available CPUs (%d).",
+ ms->numa_state->num_nodes, ms->smp.max_cpus);
+ exit(EXIT_FAILURE);
+ }
if (ms->numa_state->num_nodes) {
nidx = idx / (ms->smp.cpus / ms->numa_state->num_nodes);
if (ms->numa_state->num_nodes <= nidx) {
diff --git a/hw/scsi/lsi53c895a.c b/hw/scsi/lsi53c895a.c
index 50979640c3..42532c4744 100644
--- a/hw/scsi/lsi53c895a.c
+++ b/hw/scsi/lsi53c895a.c
@@ -1134,15 +1134,24 @@ static void lsi_execute_script(LSIState *s)
uint32_t addr, addr_high;
int opcode;
int insn_processed = 0;
+ static int reentrancy_level;
+
+ reentrancy_level++;
s->istat1 |= LSI_ISTAT1_SRUN;
again:
- if (++insn_processed > LSI_MAX_INSN) {
- /* Some windows drivers make the device spin waiting for a memory
- location to change. If we have been executed a lot of code then
- assume this is the case and force an unexpected device disconnect.
- This is apparently sufficient to beat the drivers into submission.
- */
+ /*
+ * Some windows drivers make the device spin waiting for a memory location
+ * to change. If we have executed more than LSI_MAX_INSN instructions then
+ * assume this is the case and force an unexpected device disconnect. This
+ * is apparently sufficient to beat the drivers into submission.
+ *
+ * Another issue (CVE-2023-0330) can occur if the script is programmed to
+ * trigger itself again and again. Avoid this problem by stopping after
+ * being called multiple times in a reentrant way (8 is an arbitrary value
+ * which should be enough for all valid use cases).
+ */
+ if (++insn_processed > LSI_MAX_INSN || reentrancy_level > 8) {
if (!(s->sien0 & LSI_SIST0_UDC)) {
qemu_log_mask(LOG_GUEST_ERROR,
"lsi_scsi: inf. loop with UDC masked");
@@ -1596,6 +1605,8 @@ again:
}
}
trace_lsi_execute_script_stop();
+
+ reentrancy_level--;
}
static uint8_t lsi_reg_readb(LSIState *s, int offset)
diff --git a/hw/scsi/scsi-generic.c b/hw/scsi/scsi-generic.c
index 92cce20a4d..d513870181 100644
--- a/hw/scsi/scsi-generic.c
+++ b/hw/scsi/scsi-generic.c
@@ -190,12 +190,16 @@ static int scsi_handle_inquiry_reply(SCSIGenericReq *r,
SCSIDevice *s, int len)
if ((s->type == TYPE_DISK || s->type == TYPE_ZBC) &&
(r->req.cmd.buf[1] & 0x01)) {
page = r->req.cmd.buf[2];
- if (page == 0xb0) {
+ if (page == 0xb0 && r->buflen >= 8) {
+ uint8_t buf[16] = {};
+ uint8_t buf_used = MIN(r->buflen, 16);
uint64_t max_transfer = calculate_max_transfer(s);
- stl_be_p(&r->buf[8], max_transfer);
- /* Also take care of the opt xfer len. */
- stl_be_p(&r->buf[12],
- MIN_NON_ZERO(max_transfer, ldl_be_p(&r->buf[12])));
+
+ memcpy(buf, r->buf, buf_used);
+ stl_be_p(&buf[8], max_transfer);
+ stl_be_p(&buf[12], MIN_NON_ZERO(max_transfer, ldl_be_p(&buf[12])));
+ memcpy(r->buf + 8, buf + 8, buf_used - 8);
+
} else if (s->needs_vpd_bl_emulation && page == 0x00 && r->buflen >=
4) {
/*
* Now we're capable of supplying the VPD Block Limits
diff --git a/hw/sd/allwinner-sdhost.c b/hw/sd/allwinner-sdhost.c
index 51e5e90830..92a0f42708 100644
--- a/hw/sd/allwinner-sdhost.c
+++ b/hw/sd/allwinner-sdhost.c
@@ -302,6 +302,30 @@ static void allwinner_sdhost_auto_stop(AwSdHostState *s)
}
}
+static void read_descriptor(AwSdHostState *s, hwaddr desc_addr,
+ TransferDescriptor *desc)
+{
+ uint32_t desc_words[4];
+ dma_memory_read(&s->dma_as, desc_addr, &desc_words, sizeof(desc_words),
+ MEMTXATTRS_UNSPECIFIED);
+ desc->status = le32_to_cpu(desc_words[0]);
+ desc->size = le32_to_cpu(desc_words[1]);
+ desc->addr = le32_to_cpu(desc_words[2]);
+ desc->next = le32_to_cpu(desc_words[3]);
+}
+
+static void write_descriptor(AwSdHostState *s, hwaddr desc_addr,
+ const TransferDescriptor *desc)
+{
+ uint32_t desc_words[4];
+ desc_words[0] = cpu_to_le32(desc->status);
+ desc_words[1] = cpu_to_le32(desc->size);
+ desc_words[2] = cpu_to_le32(desc->addr);
+ desc_words[3] = cpu_to_le32(desc->next);
+ dma_memory_write(&s->dma_as, desc_addr, &desc_words, sizeof(desc_words),
+ MEMTXATTRS_UNSPECIFIED);
+}
+
static uint32_t allwinner_sdhost_process_desc(AwSdHostState *s,
hwaddr desc_addr,
TransferDescriptor *desc,
@@ -312,9 +336,7 @@ static uint32_t allwinner_sdhost_process_desc(AwSdHostState
*s,
uint32_t num_bytes = max_bytes;
uint8_t buf[1024];
- /* Read descriptor */
- dma_memory_read(&s->dma_as, desc_addr, desc, sizeof(*desc),
- MEMTXATTRS_UNSPECIFIED);
+ read_descriptor(s, desc_addr, desc);
if (desc->size == 0) {
desc->size = klass->max_desc_size;
} else if (desc->size > klass->max_desc_size) {
@@ -356,8 +378,7 @@ static uint32_t allwinner_sdhost_process_desc(AwSdHostState
*s,
/* Clear hold flag and flush descriptor */
desc->status &= ~DESC_STATUS_HOLD;
- dma_memory_write(&s->dma_as, desc_addr, desc, sizeof(*desc),
- MEMTXATTRS_UNSPECIFIED);
+ write_descriptor(s, desc_addr, desc);
return num_done;
}
diff --git a/hw/smbios/smbios.c b/hw/smbios/smbios.c
index b4243de735..66a020999b 100644
--- a/hw/smbios/smbios.c
+++ b/hw/smbios/smbios.c
@@ -749,14 +749,16 @@ static void smbios_build_type_4_table(MachineState *ms,
unsigned instance)
t->core_count = (ms->smp.cores > 255) ? 0xFF : ms->smp.cores;
t->core_enabled = t->core_count;
- t->core_count2 = t->core_enabled2 = cpu_to_le16(ms->smp.cores);
-
t->thread_count = (ms->smp.threads > 255) ? 0xFF : ms->smp.threads;
- t->thread_count2 = cpu_to_le16(ms->smp.threads);
t->processor_characteristics = cpu_to_le16(0x02); /* Unknown */
t->processor_family2 = cpu_to_le16(0x01); /* Other */
+ if (tbl_len == SMBIOS_TYPE_4_LEN_V30) {
+ t->core_count2 = t->core_enabled2 = cpu_to_le16(ms->smp.cores);
+ t->thread_count2 = cpu_to_le16(ms->smp.threads);
+ }
+
SMBIOS_BUILD_TABLE_POST;
smbios_type4_count++;
}
diff --git a/hw/timer/hpet.c b/hw/timer/hpet.c
index 9520471be2..5f88ffdef8 100644
--- a/hw/timer/hpet.c
+++ b/hw/timer/hpet.c
@@ -352,6 +352,16 @@ static const VMStateDescription vmstate_hpet = {
}
};
+static void hpet_arm(HPETTimer *t, uint64_t ticks)
+{
+ if (ticks < ns_to_ticks(INT64_MAX / 2)) {
+ timer_mod(t->qemu_timer,
+ qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + ticks_to_ns(ticks));
+ } else {
+ timer_del(t->qemu_timer);
+ }
+}
+
/*
* timer expiration callback
*/
@@ -374,13 +384,11 @@ static void hpet_timer(void *opaque)
}
}
diff = hpet_calculate_diff(t, cur_tick);
- timer_mod(t->qemu_timer,
- qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) +
(int64_t)ticks_to_ns(diff));
+ hpet_arm(t, diff);
} else if (t->config & HPET_TN_32BIT && !timer_is_periodic(t)) {
if (t->wrap_flag) {
diff = hpet_calculate_diff(t, cur_tick);
- timer_mod(t->qemu_timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) +
- (int64_t)ticks_to_ns(diff));
+ hpet_arm(t, diff);
t->wrap_flag = 0;
}
}
@@ -407,8 +415,7 @@ static void hpet_set_timer(HPETTimer *t)
t->wrap_flag = 1;
}
}
- timer_mod(t->qemu_timer,
- qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) +
(int64_t)ticks_to_ns(diff));
+ hpet_arm(t, diff);
}
static void hpet_del_timer(HPETTimer *t)
diff --git a/hw/timer/nrf51_timer.c b/hw/timer/nrf51_timer.c
index 42be79c736..50c6772383 100644
--- a/hw/timer/nrf51_timer.c
+++ b/hw/timer/nrf51_timer.c
@@ -45,7 +45,12 @@ static uint32_t update_counter(NRF51TimerState *s, int64_t
now)
uint32_t ticks = ns_to_ticks(s, now - s->update_counter_ns);
s->counter = (s->counter + ticks) % BIT(bitwidths[s->bitmode]);
- s->update_counter_ns = now;
+ /*
+ * Only advance the sync time to the timestamp of the last tick,
+ * not all the way to 'now', so we don't lose time if we do
+ * multiple resyncs in a single tick.
+ */
+ s->update_counter_ns += ticks_to_ns(s, ticks);
return ticks;
}
diff --git a/hw/usb/hcd-ohci.c b/hw/usb/hcd-ohci.c
index 9d68036d23..c3ab762f54 100644
--- a/hw/usb/hcd-ohci.c
+++ b/hw/usb/hcd-ohci.c
@@ -1210,6 +1210,8 @@ static void ohci_frame_boundary(void *opaque)
/* Increment frame number and take care of endianness. */
ohci->frame_number = (ohci->frame_number + 1) & 0xffff;
hcca.frame = cpu_to_le16(ohci->frame_number);
+ /* When the HC updates frame number, set pad to 0. Ref OHCI Spec 4.4.1*/
+ hcca.pad = 0;
if (ohci->done_count == 0 && !(ohci->intr_status & OHCI_INTR_WD)) {
if (!ohci->done)
diff --git a/hw/vfio/pci.c b/hw/vfio/pci.c
index 939dcc3d4a..92a45de4c3 100644
--- a/hw/vfio/pci.c
+++ b/hw/vfio/pci.c
@@ -663,6 +663,8 @@ static void vfio_msi_enable(VFIOPCIDevice *vdev)
vfio_disable_interrupts(vdev);
+ vdev->nr_vectors = msi_nr_vectors_allocated(&vdev->pdev);
+retry:
/*
* Setting vector notifiers needs to enable route for each vector.
* Deferring to commit the KVM routes once rather than per vector
@@ -670,8 +672,6 @@ static void vfio_msi_enable(VFIOPCIDevice *vdev)
*/
vfio_prepare_kvm_msi_virq_batch(vdev);
- vdev->nr_vectors = msi_nr_vectors_allocated(&vdev->pdev);
-retry:
vdev->msi_vectors = g_new0(VFIOMSIVector, vdev->nr_vectors);
for (i = 0; i < vdev->nr_vectors; i++) {
@@ -3159,7 +3159,9 @@ static void vfio_realize(PCIDevice *pdev, Error **errp)
out_deregister:
pci_device_set_intx_routing_notifier(&vdev->pdev, NULL);
- kvm_irqchip_remove_change_notifier(&vdev->irqchip_change_notifier);
+ if (vdev->irqchip_change_notifier.notify) {
+ kvm_irqchip_remove_change_notifier(&vdev->irqchip_change_notifier);
+ }
out_teardown:
vfio_teardown_msi(vdev);
vfio_bars_exit(vdev);
diff --git a/hw/virtio/vhost-shadow-virtqueue.c
b/hw/virtio/vhost-shadow-virtqueue.c
index 5bd14cad96..d422418f2d 100644
--- a/hw/virtio/vhost-shadow-virtqueue.c
+++ b/hw/virtio/vhost-shadow-virtqueue.c
@@ -68,7 +68,7 @@ bool vhost_svq_valid_features(uint64_t features, Error **errp)
*/
static uint16_t vhost_svq_available_slots(const VhostShadowVirtqueue *svq)
{
- return svq->vring.num - (svq->shadow_avail_idx - svq->shadow_used_idx);
+ return svq->num_free;
}
/**
@@ -263,6 +263,7 @@ int vhost_svq_add(VhostShadowVirtqueue *svq, const struct
iovec *out_sg,
return -EINVAL;
}
+ svq->num_free -= ndescs;
svq->desc_state[qemu_head].elem = elem;
svq->desc_state[qemu_head].ndescs = ndescs;
vhost_svq_kick(svq);
@@ -449,6 +450,7 @@ static VirtQueueElement
*vhost_svq_get_buf(VhostShadowVirtqueue *svq,
last_used_chain = vhost_svq_last_desc_of_chain(svq, num, used_elem.id);
svq->desc_next[last_used_chain] = svq->free_head;
svq->free_head = used_elem.id;
+ svq->num_free += num;
*len = used_elem.len;
return g_steal_pointer(&svq->desc_state[used_elem.id].elem);
@@ -522,7 +524,7 @@ static void vhost_svq_flush(VhostShadowVirtqueue *svq,
size_t vhost_svq_poll(VhostShadowVirtqueue *svq)
{
int64_t start_us = g_get_monotonic_time();
- uint32_t len;
+ uint32_t len = 0;
do {
if (vhost_svq_more_used(svq)) {
@@ -656,6 +658,7 @@ void vhost_svq_start(VhostShadowVirtqueue *svq,
VirtIODevice *vdev,
svq->vq = vq;
svq->vring.num = virtio_queue_get_num(vdev, virtio_get_queue_index(vq));
+ svq->num_free = svq->vring.num;
driver_size = vhost_svq_driver_area_size(svq);
device_size = vhost_svq_device_area_size(svq);
svq->vring.desc = qemu_memalign(qemu_real_host_page_size(), driver_size);
diff --git a/hw/virtio/vhost-shadow-virtqueue.h
b/hw/virtio/vhost-shadow-virtqueue.h
index d04c34a589..328a7fc075 100644
--- a/hw/virtio/vhost-shadow-virtqueue.h
+++ b/hw/virtio/vhost-shadow-virtqueue.h
@@ -107,6 +107,9 @@ typedef struct VhostShadowVirtqueue {
/* Next head to consume from the device */
uint16_t last_used_idx;
+
+ /* Size of SVQ vring free descriptors */
+ uint16_t num_free;
} VhostShadowVirtqueue;
bool vhost_svq_valid_features(uint64_t features, Error **errp);
diff --git a/hw/virtio/vhost-user-gpio.c b/hw/virtio/vhost-user-gpio.c
index b7b82a1099..97145376eb 100644
--- a/hw/virtio/vhost-user-gpio.c
+++ b/hw/virtio/vhost-user-gpio.c
@@ -16,6 +16,7 @@
#include "trace.h"
#define REALIZE_CONNECTION_RETRIES 3
+#define VHOST_NVQS 2
/* Features required from VirtIO */
static const int feature_bits[] = {
@@ -198,8 +199,7 @@ static void do_vhost_user_cleanup(VirtIODevice *vdev,
VHostUserGPIO *gpio)
{
virtio_delete_queue(gpio->command_vq);
virtio_delete_queue(gpio->interrupt_vq);
- g_free(gpio->vhost_dev.vqs);
- gpio->vhost_dev.vqs = NULL;
+ g_free(gpio->vhost_vqs);
virtio_cleanup(vdev);
vhost_user_cleanup(&gpio->vhost_user);
}
@@ -219,6 +219,9 @@ static int vu_gpio_connect(DeviceState *dev, Error **errp)
vhost_dev_set_config_notifier(vhost_dev, &gpio_ops);
gpio->vhost_user.supports_config = true;
+ gpio->vhost_dev.nvqs = VHOST_NVQS;
+ gpio->vhost_dev.vqs = gpio->vhost_vqs;
+
ret = vhost_dev_init(vhost_dev, &gpio->vhost_user,
VHOST_BACKEND_TYPE_USER, 0, errp);
if (ret < 0) {
@@ -337,10 +340,9 @@ static void vu_gpio_device_realize(DeviceState *dev, Error
**errp)
virtio_init(vdev, VIRTIO_ID_GPIO, sizeof(gpio->config));
- gpio->vhost_dev.nvqs = 2;
gpio->command_vq = virtio_add_queue(vdev, 256, vu_gpio_handle_output);
gpio->interrupt_vq = virtio_add_queue(vdev, 256, vu_gpio_handle_output);
- gpio->vhost_dev.vqs = g_new0(struct vhost_virtqueue, gpio->vhost_dev.nvqs);
+ gpio->vhost_vqs = g_new0(struct vhost_virtqueue, VHOST_NVQS);
gpio->connected = false;
diff --git a/hw/virtio/vhost-user-i2c.c b/hw/virtio/vhost-user-i2c.c
index dc5c828ba6..60eaf0d95b 100644
--- a/hw/virtio/vhost-user-i2c.c
+++ b/hw/virtio/vhost-user-i2c.c
@@ -143,8 +143,6 @@ static void do_vhost_user_cleanup(VirtIODevice *vdev,
VHostUserI2C *i2c)
vhost_user_cleanup(&i2c->vhost_user);
virtio_delete_queue(i2c->vq);
virtio_cleanup(vdev);
- g_free(i2c->vhost_dev.vqs);
- i2c->vhost_dev.vqs = NULL;
}
static int vu_i2c_connect(DeviceState *dev)
@@ -228,6 +226,7 @@ static void vu_i2c_device_realize(DeviceState *dev, Error
**errp)
ret = vhost_dev_init(&i2c->vhost_dev, &i2c->vhost_user,
VHOST_BACKEND_TYPE_USER, 0, errp);
if (ret < 0) {
+ g_free(i2c->vhost_dev.vqs);
do_vhost_user_cleanup(vdev, i2c);
}
@@ -239,10 +238,12 @@ static void vu_i2c_device_unrealize(DeviceState *dev)
{
VirtIODevice *vdev = VIRTIO_DEVICE(dev);
VHostUserI2C *i2c = VHOST_USER_I2C(dev);
+ struct vhost_virtqueue *vhost_vqs = i2c->vhost_dev.vqs;
/* This will stop vhost backend if appropriate. */
vu_i2c_set_status(vdev, 0);
vhost_dev_cleanup(&i2c->vhost_dev);
+ g_free(vhost_vqs);
do_vhost_user_cleanup(vdev, i2c);
}
diff --git a/hw/virtio/vhost-user-rng.c b/hw/virtio/vhost-user-rng.c
index 201a39e220..efc54cd3fb 100644
--- a/hw/virtio/vhost-user-rng.c
+++ b/hw/virtio/vhost-user-rng.c
@@ -229,6 +229,7 @@ static void vu_rng_device_realize(DeviceState *dev, Error
**errp)
return;
vhost_dev_init_failed:
+ g_free(rng->vhost_dev.vqs);
virtio_delete_queue(rng->req_vq);
virtio_add_queue_failed:
virtio_cleanup(vdev);
@@ -239,12 +240,12 @@ static void vu_rng_device_unrealize(DeviceState *dev)
{
VirtIODevice *vdev = VIRTIO_DEVICE(dev);
VHostUserRNG *rng = VHOST_USER_RNG(dev);
+ struct vhost_virtqueue *vhost_vqs = rng->vhost_dev.vqs;
vu_rng_set_status(vdev, 0);
vhost_dev_cleanup(&rng->vhost_dev);
- g_free(rng->vhost_dev.vqs);
- rng->vhost_dev.vqs = NULL;
+ g_free(vhost_vqs);
virtio_delete_queue(rng->req_vq);
virtio_cleanup(vdev);
vhost_user_cleanup(&rng->vhost_user);
diff --git a/hw/virtio/vhost-user.c b/hw/virtio/vhost-user.c
index 8f635844af..d92b026e1c 100644
--- a/hw/virtio/vhost-user.c
+++ b/hw/virtio/vhost-user.c
@@ -305,19 +305,8 @@ static int vhost_user_read_header(struct vhost_dev *dev,
VhostUserMsg *msg)
return 0;
}
-struct vhost_user_read_cb_data {
- struct vhost_dev *dev;
- VhostUserMsg *msg;
- GMainLoop *loop;
- int ret;
-};
-
-static gboolean vhost_user_read_cb(void *do_not_use, GIOCondition condition,
- gpointer opaque)
+static int vhost_user_read(struct vhost_dev *dev, VhostUserMsg *msg)
{
- struct vhost_user_read_cb_data *data = opaque;
- struct vhost_dev *dev = data->dev;
- VhostUserMsg *msg = data->msg;
struct vhost_user *u = dev->opaque;
CharBackend *chr = u->user->chr;
uint8_t *p = (uint8_t *) msg;
@@ -325,8 +314,7 @@ static gboolean vhost_user_read_cb(void *do_not_use,
GIOCondition condition,
r = vhost_user_read_header(dev, msg);
if (r < 0) {
- data->ret = r;
- goto end;
+ return r;
}
/* validate message size is sane */
@@ -334,8 +322,7 @@ static gboolean vhost_user_read_cb(void *do_not_use,
GIOCondition condition,
error_report("Failed to read msg header."
" Size %d exceeds the maximum %zu.", msg->hdr.size,
VHOST_USER_PAYLOAD_SIZE);
- data->ret = -EPROTO;
- goto end;
+ return -EPROTO;
}
if (msg->hdr.size) {
@@ -346,84 +333,11 @@ static gboolean vhost_user_read_cb(void *do_not_use,
GIOCondition condition,
int saved_errno = errno;
error_report("Failed to read msg payload."
" Read %d instead of %d.", r, msg->hdr.size);
- data->ret = r < 0 ? -saved_errno : -EIO;
- goto end;
+ return r < 0 ? -saved_errno : -EIO;
}
}
-end:
- g_main_loop_quit(data->loop);
- return G_SOURCE_REMOVE;
-}
-
-static gboolean slave_read(QIOChannel *ioc, GIOCondition condition,
- gpointer opaque);
-
-/*
- * This updates the read handler to use a new event loop context.
- * Event sources are removed from the previous context : this ensures
- * that events detected in the previous context are purged. They will
- * be re-detected and processed in the new context.
- */
-static void slave_update_read_handler(struct vhost_dev *dev,
- GMainContext *ctxt)
-{
- struct vhost_user *u = dev->opaque;
-
- if (!u->slave_ioc) {
- return;
- }
-
- if (u->slave_src) {
- g_source_destroy(u->slave_src);
- g_source_unref(u->slave_src);
- }
-
- u->slave_src = qio_channel_add_watch_source(u->slave_ioc,
- G_IO_IN | G_IO_HUP,
- slave_read, dev, NULL,
- ctxt);
-}
-
-static int vhost_user_read(struct vhost_dev *dev, VhostUserMsg *msg)
-{
- struct vhost_user *u = dev->opaque;
- CharBackend *chr = u->user->chr;
- GMainContext *prev_ctxt = chr->chr->gcontext;
- GMainContext *ctxt = g_main_context_new();
- GMainLoop *loop = g_main_loop_new(ctxt, FALSE);
- struct vhost_user_read_cb_data data = {
- .dev = dev,
- .loop = loop,
- .msg = msg,
- .ret = 0
- };
-
- /*
- * We want to be able to monitor the slave channel fd while waiting
- * for chr I/O. This requires an event loop, but we can't nest the
- * one to which chr is currently attached : its fd handlers might not
- * be prepared for re-entrancy. So we create a new one and switch chr
- * to use it.
- */
- slave_update_read_handler(dev, ctxt);
- qemu_chr_be_update_read_handlers(chr->chr, ctxt);
- qemu_chr_fe_add_watch(chr, G_IO_IN | G_IO_HUP, vhost_user_read_cb, &data);
-
- g_main_loop_run(loop);
-
- /*
- * Restore the previous event loop context. This also destroys/recreates
- * event sources : this guarantees that all pending events in the original
- * context that have been processed by the nested loop are purged.
- */
- qemu_chr_be_update_read_handlers(chr->chr, prev_ctxt);
- slave_update_read_handler(dev, NULL);
-
- g_main_loop_unref(loop);
- g_main_context_unref(ctxt);
-
- return data.ret;
+ return 0;
}
static int process_message_reply(struct vhost_dev *dev,
@@ -1802,7 +1716,9 @@ static int vhost_setup_slave_channel(struct vhost_dev
*dev)
return -ECONNREFUSED;
}
u->slave_ioc = ioc;
- slave_update_read_handler(dev, NULL);
+ u->slave_src = qio_channel_add_watch_source(u->slave_ioc,
+ G_IO_IN | G_IO_HUP,
+ slave_read, dev, NULL, NULL);
if (reply_supported) {
msg.hdr.flags |= VHOST_USER_NEED_REPLY_MASK;
@@ -2108,8 +2024,8 @@ static int vhost_user_backend_init(struct vhost_dev *dev,
void *opaque,
} else {
if (virtio_has_feature(protocol_features,
VHOST_USER_PROTOCOL_F_CONFIG)) {
- warn_reportf_err(*errp, "vhost-user backend supports "
- "VHOST_USER_PROTOCOL_F_CONFIG but QEMU does
not.");
+ warn_report("vhost-user backend supports "
+ "VHOST_USER_PROTOCOL_F_CONFIG but QEMU does not.");
protocol_features &= ~(1ULL << VHOST_USER_PROTOCOL_F_CONFIG);
}
}
diff --git a/hw/virtio/vhost-vdpa.c b/hw/virtio/vhost-vdpa.c
index 7468e44b87..03c78d25d8 100644
--- a/hw/virtio/vhost-vdpa.c
+++ b/hw/virtio/vhost-vdpa.c
@@ -707,26 +707,11 @@ static int vhost_vdpa_get_device_id(struct vhost_dev *dev,
return ret;
}
-static void vhost_vdpa_reset_svq(struct vhost_vdpa *v)
-{
- if (!v->shadow_vqs_enabled) {
- return;
- }
-
- for (unsigned i = 0; i < v->shadow_vqs->len; ++i) {
- VhostShadowVirtqueue *svq = g_ptr_array_index(v->shadow_vqs, i);
- vhost_svq_stop(svq);
- }
-}
-
static int vhost_vdpa_reset_device(struct vhost_dev *dev)
{
- struct vhost_vdpa *v = dev->opaque;
int ret;
uint8_t status = 0;
- vhost_vdpa_reset_svq(v);
-
ret = vhost_vdpa_call(dev, VHOST_VDPA_SET_STATUS, &status);
trace_vhost_vdpa_reset_device(dev, status);
return ret;
@@ -1088,6 +1073,8 @@ static void vhost_vdpa_svqs_stop(struct vhost_dev *dev)
for (unsigned i = 0; i < v->shadow_vqs->len; ++i) {
VhostShadowVirtqueue *svq = g_ptr_array_index(v->shadow_vqs, i);
+
+ vhost_svq_stop(svq);
vhost_vdpa_svq_unmap_rings(dev, svq);
}
}
diff --git a/hw/virtio/vhost.c b/hw/virtio/vhost.c
index 7fb008bc9e..f38997b3f6 100644
--- a/hw/virtio/vhost.c
+++ b/hw/virtio/vhost.c
@@ -20,6 +20,7 @@
#include "qemu/range.h"
#include "qemu/error-report.h"
#include "qemu/memfd.h"
+#include "qemu/log.h"
#include "standard-headers/linux/vhost_types.h"
#include "hw/virtio/virtio-bus.h"
#include "hw/virtio/virtio-access.h"
@@ -106,6 +107,24 @@ static void vhost_dev_sync_region(struct vhost_dev *dev,
}
}
+static bool vhost_dev_has_iommu(struct vhost_dev *dev)
+{
+ VirtIODevice *vdev = dev->vdev;
+
+ /*
+ * For vhost, VIRTIO_F_IOMMU_PLATFORM means the backend support
+ * incremental memory mapping API via IOTLB API. For platform that
+ * does not have IOMMU, there's no need to enable this feature
+ * which may cause unnecessary IOTLB miss/update transactions.
+ */
+ if (vdev) {
+ return virtio_bus_device_iommu_enabled(vdev) &&
+ virtio_host_has_feature(vdev, VIRTIO_F_IOMMU_PLATFORM);
+ } else {
+ return false;
+ }
+}
+
static int vhost_sync_dirty_bitmap(struct vhost_dev *dev,
MemoryRegionSection *section,
hwaddr first,
@@ -137,8 +156,51 @@ static int vhost_sync_dirty_bitmap(struct vhost_dev *dev,
continue;
}
- vhost_dev_sync_region(dev, section, start_addr, end_addr,
vq->used_phys,
- range_get_last(vq->used_phys, vq->used_size));
+ if (vhost_dev_has_iommu(dev)) {
+ IOMMUTLBEntry iotlb;
+ hwaddr used_phys = vq->used_phys, used_size = vq->used_size;
+ hwaddr phys, s, offset;
+
+ while (used_size) {
+ rcu_read_lock();
+ iotlb = address_space_get_iotlb_entry(dev->vdev->dma_as,
+ used_phys,
+ true,
+ MEMTXATTRS_UNSPECIFIED);
+ rcu_read_unlock();
+
+ if (!iotlb.target_as) {
+ qemu_log_mask(LOG_GUEST_ERROR, "translation "
+ "failure for used_iova %"PRIx64"\n",
+ used_phys);
+ return -EINVAL;
+ }
+
+ offset = used_phys & iotlb.addr_mask;
+ phys = iotlb.translated_addr + offset;
+
+ /*
+ * Distance from start of used ring until last byte of
+ * IOMMU page.
+ */
+ s = iotlb.addr_mask - offset;
+ /*
+ * Size of used ring, or of the part of it until end
+ * of IOMMU page. To avoid zero result, do the adding
+ * outside of MIN().
+ */
+ s = MIN(s, used_size - 1) + 1;
+
+ vhost_dev_sync_region(dev, section, start_addr, end_addr, phys,
+ range_get_last(phys, s));
+ used_size -= s;
+ used_phys += s;
+ }
+ } else {
+ vhost_dev_sync_region(dev, section, start_addr,
+ end_addr, vq->used_phys,
+ range_get_last(vq->used_phys,
vq->used_size));
+ }
}
return 0;
}
@@ -306,24 +368,6 @@ static inline void vhost_dev_log_resize(struct vhost_dev
*dev, uint64_t size)
dev->log_size = size;
}
-static bool vhost_dev_has_iommu(struct vhost_dev *dev)
-{
- VirtIODevice *vdev = dev->vdev;
-
- /*
- * For vhost, VIRTIO_F_IOMMU_PLATFORM means the backend support
- * incremental memory mapping API via IOTLB API. For platform that
- * does not have IOMMU, there's no need to enable this feature
- * which may cause unnecessary IOTLB miss/update transactions.
- */
- if (vdev) {
- return virtio_bus_device_iommu_enabled(vdev) &&
- virtio_host_has_feature(vdev, VIRTIO_F_IOMMU_PLATFORM);
- } else {
- return false;
- }
-}
-
static void *vhost_memory_map(struct vhost_dev *dev, hwaddr addr,
hwaddr *plen, bool is_write)
{
@@ -1890,6 +1934,9 @@ fail_vq:
}
fail_mem:
+ if (vhost_dev_has_iommu(hdev)) {
+ memory_listener_unregister(&hdev->iommu_listener);
+ }
fail_features:
vdev->vhost_started = false;
hdev->started = false;
diff --git a/hw/virtio/virtio-crypto.c b/hw/virtio/virtio-crypto.c
index 97da74e719..a6dbdd32da 100644
--- a/hw/virtio/virtio-crypto.c
+++ b/hw/virtio/virtio-crypto.c
@@ -476,15 +476,17 @@ static void virtio_crypto_free_request(VirtIOCryptoReq
*req)
size_t max_len;
CryptoDevBackendSymOpInfo *op_info = req->op_info.u.sym_op_info;
- max_len = op_info->iv_len +
- op_info->aad_len +
- op_info->src_len +
- op_info->dst_len +
- op_info->digest_result_len;
-
- /* Zeroize and free request data structure */
- memset(op_info, 0, sizeof(*op_info) + max_len);
- g_free(op_info);
+ if (op_info) {
+ max_len = op_info->iv_len +
+ op_info->aad_len +
+ op_info->src_len +
+ op_info->dst_len +
+ op_info->digest_result_len;
+
+ /* Zeroize and free request data structure */
+ memset(op_info, 0, sizeof(*op_info) + max_len);
+ g_free(op_info);
+ }
} else if (req->flags == CRYPTODEV_BACKEND_ALG_ASYM) {
CryptoDevBackendAsymOpInfo *op_info = req->op_info.u.asym_op_info;
if (op_info) {
diff --git a/hw/virtio/virtio-mem.c b/hw/virtio/virtio-mem.c
index ed170def48..56db586c89 100644
--- a/hw/virtio/virtio-mem.c
+++ b/hw/virtio/virtio-mem.c
@@ -235,7 +235,7 @@ static int virtio_mem_for_each_plugged_section(const
VirtIOMEM *vmem,
uint64_t offset, size;
int ret = 0;
- first_bit = s->offset_within_region / vmem->bitmap_size;
+ first_bit = s->offset_within_region / vmem->block_size;
first_bit = find_next_bit(vmem->bitmap, vmem->bitmap_size, first_bit);
while (first_bit < vmem->bitmap_size) {
MemoryRegionSection tmp = *s;
@@ -267,7 +267,7 @@ static int virtio_mem_for_each_unplugged_section(const
VirtIOMEM *vmem,
uint64_t offset, size;
int ret = 0;
- first_bit = s->offset_within_region / vmem->bitmap_size;
+ first_bit = s->offset_within_region / vmem->block_size;
first_bit = find_next_zero_bit(vmem->bitmap, vmem->bitmap_size, first_bit);
while (first_bit < vmem->bitmap_size) {
MemoryRegionSection tmp = *s;
@@ -341,7 +341,7 @@ static int virtio_mem_notify_plug(VirtIOMEM *vmem, uint64_t
offset,
if (ret) {
/* Notify all already-notified listeners. */
QLIST_FOREACH(rdl2, &vmem->rdl_list, next) {
- MemoryRegionSection tmp = *rdl->section;
+ MemoryRegionSection tmp = *rdl2->section;
if (rdl2 == rdl) {
break;
diff --git a/hw/virtio/virtio.c b/hw/virtio/virtio.c
index eb6347ab5d..384c8f0f08 100644
--- a/hw/virtio/virtio.c
+++ b/hw/virtio/virtio.c
@@ -1478,7 +1478,7 @@ static void virtqueue_split_get_avail_bytes(VirtQueue *vq,
VRingMemoryRegionCaches *caches)
{
VirtIODevice *vdev = vq->vdev;
- unsigned int max, idx;
+ unsigned int idx;
unsigned int total_bufs, in_total, out_total;
MemoryRegionCache indirect_desc_cache = MEMORY_REGION_CACHE_INVALID;
int64_t len = 0;
@@ -1487,13 +1487,12 @@ static void virtqueue_split_get_avail_bytes(VirtQueue
*vq,
idx = vq->last_avail_idx;
total_bufs = in_total = out_total = 0;
- max = vq->vring.num;
-
while ((rc = virtqueue_num_heads(vq, idx)) > 0) {
MemoryRegionCache *desc_cache = &caches->desc;
unsigned int num_bufs;
VRingDesc desc;
unsigned int i;
+ unsigned int max = vq->vring.num;
num_bufs = total_bufs;
@@ -1615,7 +1614,7 @@ static void virtqueue_packed_get_avail_bytes(VirtQueue
*vq,
VRingMemoryRegionCaches *caches)
{
VirtIODevice *vdev = vq->vdev;
- unsigned int max, idx;
+ unsigned int idx;
unsigned int total_bufs, in_total, out_total;
MemoryRegionCache *desc_cache;
MemoryRegionCache indirect_desc_cache = MEMORY_REGION_CACHE_INVALID;
@@ -1627,14 +1626,14 @@ static void virtqueue_packed_get_avail_bytes(VirtQueue
*vq,
wrap_counter = vq->last_avail_wrap_counter;
total_bufs = in_total = out_total = 0;
- max = vq->vring.num;
-
for (;;) {
unsigned int num_bufs = total_bufs;
unsigned int i = idx;
int rc;
+ unsigned int max = vq->vring.num;
desc_cache = &caches->desc;
+
vring_packed_desc_read(vdev, &desc, desc_cache, idx, true);
if (!is_desc_avail(desc.flags, wrap_counter)) {
break;
diff --git a/hw/xen/xen_pt.c b/hw/xen/xen_pt.c
index 0ec7e52183..5dd706efbf 100644
--- a/hw/xen/xen_pt.c
+++ b/hw/xen/xen_pt.c
@@ -57,6 +57,7 @@
#include <sys/ioctl.h>
#include "hw/pci/pci.h"
+#include "hw/pci/pci_bus.h"
#include "hw/qdev-properties.h"
#include "hw/qdev-properties-system.h"
#include "hw/xen/xen.h"
@@ -780,15 +781,6 @@ static void xen_pt_realize(PCIDevice *d, Error **errp)
s->hostaddr.bus, s->hostaddr.slot, s->hostaddr.function,
s->dev.devfn);
- xen_host_pci_device_get(&s->real_device,
- s->hostaddr.domain, s->hostaddr.bus,
- s->hostaddr.slot, s->hostaddr.function,
- errp);
- if (*errp) {
- error_append_hint(errp, "Failed to \"open\" the real pci device");
- return;
- }
-
s->is_virtfn = s->real_device.is_virtfn;
if (s->is_virtfn) {
XEN_PT_LOG(d, "%04x:%02x:%02x.%d is a SR-IOV Virtual Function\n",
@@ -803,8 +795,10 @@ static void xen_pt_realize(PCIDevice *d, Error **errp)
s->io_listener = xen_pt_io_listener;
/* Setup VGA bios for passthrough GFX */
- if ((s->real_device.domain == 0) && (s->real_device.bus == 0) &&
- (s->real_device.dev == 2) && (s->real_device.func == 0)) {
+ if ((s->real_device.domain == XEN_PCI_IGD_DOMAIN) &&
+ (s->real_device.bus == XEN_PCI_IGD_BUS) &&
+ (s->real_device.dev == XEN_PCI_IGD_DEV) &&
+ (s->real_device.func == XEN_PCI_IGD_FN)) {
if (!is_igd_vga_passthrough(&s->real_device)) {
error_setg(errp, "Need to enable igd-passthru if you're trying"
" to passthrough IGD GFX");
@@ -950,11 +944,58 @@ static void xen_pci_passthrough_instance_init(Object *obj)
PCI_DEVICE(obj)->cap_present |= QEMU_PCI_CAP_EXPRESS;
}
+void xen_igd_reserve_slot(PCIBus *pci_bus)
+{
+ if (!xen_igd_gfx_pt_enabled()) {
+ return;
+ }
+
+ XEN_PT_LOG(0, "Reserving PCI slot 2 for IGD\n");
+ pci_bus->slot_reserved_mask |= XEN_PCI_IGD_SLOT_MASK;
+}
+
+static void xen_igd_clear_slot(DeviceState *qdev, Error **errp)
+{
+ ERRP_GUARD();
+ PCIDevice *pci_dev = (PCIDevice *)qdev;
+ XenPCIPassthroughState *s = XEN_PT_DEVICE(pci_dev);
+ XenPTDeviceClass *xpdc = XEN_PT_DEVICE_GET_CLASS(s);
+ PCIBus *pci_bus = pci_get_bus(pci_dev);
+
+ xen_host_pci_device_get(&s->real_device,
+ s->hostaddr.domain, s->hostaddr.bus,
+ s->hostaddr.slot, s->hostaddr.function,
+ errp);
+ if (*errp) {
+ error_append_hint(errp, "Failed to \"open\" the real pci device");
+ return;
+ }
+
+ if (!(pci_bus->slot_reserved_mask & XEN_PCI_IGD_SLOT_MASK)) {
+ xpdc->pci_qdev_realize(qdev, errp);
+ return;
+ }
+
+ if (is_igd_vga_passthrough(&s->real_device) &&
+ s->real_device.domain == XEN_PCI_IGD_DOMAIN &&
+ s->real_device.bus == XEN_PCI_IGD_BUS &&
+ s->real_device.dev == XEN_PCI_IGD_DEV &&
+ s->real_device.func == XEN_PCI_IGD_FN &&
+ s->real_device.vendor_id == PCI_VENDOR_ID_INTEL) {
+ pci_bus->slot_reserved_mask &= ~XEN_PCI_IGD_SLOT_MASK;
+ XEN_PT_LOG(pci_dev, "Intel IGD found, using slot 2\n");
+ }
+ xpdc->pci_qdev_realize(qdev, errp);
+}
+
static void xen_pci_passthrough_class_init(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
+ XenPTDeviceClass *xpdc = XEN_PT_DEVICE_CLASS(klass);
+ xpdc->pci_qdev_realize = dc->realize;
+ dc->realize = xen_igd_clear_slot;
k->realize = xen_pt_realize;
k->exit = xen_pt_unregister_device;
k->config_read = xen_pt_pci_read_config;
@@ -977,6 +1018,7 @@ static const TypeInfo xen_pci_passthrough_info = {
.instance_size = sizeof(XenPCIPassthroughState),
.instance_finalize = xen_pci_passthrough_finalize,
.class_init = xen_pci_passthrough_class_init,
+ .class_size = sizeof(XenPTDeviceClass),
.instance_init = xen_pci_passthrough_instance_init,
.interfaces = (InterfaceInfo[]) {
{ INTERFACE_CONVENTIONAL_PCI_DEVICE },
diff --git a/hw/xen/xen_pt.h b/hw/xen/xen_pt.h
index e7c4316a7d..292bdf7499 100644
--- a/hw/xen/xen_pt.h
+++ b/hw/xen/xen_pt.h
@@ -41,7 +41,20 @@ typedef struct XenPTReg XenPTReg;
#define TYPE_XEN_PT_DEVICE "xen-pci-passthrough"
OBJECT_DECLARE_SIMPLE_TYPE(XenPCIPassthroughState, XEN_PT_DEVICE)
+#define XEN_PT_DEVICE_CLASS(klass) \
+ OBJECT_CLASS_CHECK(XenPTDeviceClass, klass, TYPE_XEN_PT_DEVICE)
+#define XEN_PT_DEVICE_GET_CLASS(obj) \
+ OBJECT_GET_CLASS(XenPTDeviceClass, obj, TYPE_XEN_PT_DEVICE)
+
+typedef void (*XenPTQdevRealize)(DeviceState *qdev, Error **errp);
+
+typedef struct XenPTDeviceClass {
+ PCIDeviceClass parent_class;
+ XenPTQdevRealize pci_qdev_realize;
+} XenPTDeviceClass;
+
uint32_t igd_read_opregion(XenPCIPassthroughState *s);
+void xen_igd_reserve_slot(PCIBus *pci_bus);
void igd_write_opregion(XenPCIPassthroughState *s, uint32_t val);
void xen_igd_passthrough_isa_bridge_create(XenPCIPassthroughState *s,
XenHostPCIDevice *dev);
@@ -76,6 +89,13 @@ typedef int (*xen_pt_conf_byte_read)
#define XEN_PCI_INTEL_OPREGION 0xfc
+#define XEN_PCI_IGD_DOMAIN 0
+#define XEN_PCI_IGD_BUS 0
+#define XEN_PCI_IGD_DEV 2
+#define XEN_PCI_IGD_FN 0
+#define XEN_PCI_IGD_SLOT_MASK \
+ (1UL << PCI_SLOT(PCI_DEVFN(XEN_PCI_IGD_DEV, XEN_PCI_IGD_FN)))
+
typedef enum {
XEN_PT_GRP_TYPE_HARDWIRED = 0, /* 0 Hardwired reg group */
XEN_PT_GRP_TYPE_EMU, /* emul reg group */
diff --git a/hw/xen/xen_pt_stub.c b/hw/xen/xen_pt_stub.c
index 2d8cac8d54..5c108446a8 100644
--- a/hw/xen/xen_pt_stub.c
+++ b/hw/xen/xen_pt_stub.c
@@ -20,3 +20,7 @@ void xen_igd_gfx_pt_set(bool value, Error **errp)
error_setg(errp, "Xen PCI passthrough support not built in");
}
}
+
+void xen_igd_reserve_slot(PCIBus *pci_bus)
+{
+}
diff --git a/include/hw/arm/boot.h b/include/hw/arm/boot.h
index f18cc3064f..80c492d742 100644
--- a/include/hw/arm/boot.h
+++ b/include/hw/arm/boot.h
@@ -183,4 +183,53 @@ void arm_write_secure_board_setup_dummy_smc(ARMCPU *cpu,
const struct arm_boot_info *info,
hwaddr mvbar_addr);
+typedef enum {
+ FIXUP_NONE = 0, /* do nothing */
+ FIXUP_TERMINATOR, /* end of insns */
+ FIXUP_BOARDID, /* overwrite with board ID number */
+ FIXUP_BOARD_SETUP, /* overwrite with board specific setup code address */
+ FIXUP_ARGPTR_LO, /* overwrite with pointer to kernel args */
+ FIXUP_ARGPTR_HI, /* overwrite with pointer to kernel args (high half) */
+ FIXUP_ENTRYPOINT_LO, /* overwrite with kernel entry point */
+ FIXUP_ENTRYPOINT_HI, /* overwrite with kernel entry point (high half) */
+ FIXUP_GIC_CPU_IF, /* overwrite with GIC CPU interface address */
+ FIXUP_BOOTREG, /* overwrite with boot register address */
+ FIXUP_DSB, /* overwrite with correct DSB insn for cpu */
+ FIXUP_MAX,
+} FixupType;
+
+typedef struct ARMInsnFixup {
+ uint32_t insn;
+ FixupType fixup;
+} ARMInsnFixup;
+
+/**
+ * arm_write_bootloader - write a bootloader to guest memory
+ * @name: name of the bootloader blob
+ * @as: AddressSpace to write the bootloader
+ * @addr: guest address to write it
+ * @insns: the blob to be loaded
+ * @fixupcontext: context to be used for any fixups in @insns
+ *
+ * Write a bootloader to guest memory at address @addr in the address
+ * space @as. @name is the name to use for the resulting ROM blob, so
+ * it should be unique in the system and reasonably identifiable for debugging.
+ *
+ * @insns must be an array of ARMInsnFixup structs, each of which has
+ * one 32-bit value to be written to the guest memory, and a fixup to be
+ * applied to the value. FIXUP_NONE (do nothing) is value 0, so effectively
+ * the fixup is optional when writing a struct initializer.
+ * The final entry in the array must be { 0, FIXUP_TERMINATOR }.
+ *
+ * All other supported fixup types have the semantics "ignore insn
+ * and instead use the value from the array element @fixupcontext[fixup]".
+ * The caller should therefore provide @fixupcontext as an array of
+ * size FIXUP_MAX whose elements have been initialized for at least
+ * the entries that @insns refers to.
+ */
+void arm_write_bootloader(const char *name,
+ AddressSpace *as, hwaddr addr,
+ const ARMInsnFixup *insns,
+ const uint32_t *fixupcontext);
+
#endif /* HW_ARM_BOOT_H */
diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h
index c95333514e..0c76e82626 100644
--- a/include/hw/i386/pc.h
+++ b/include/hw/i386/pc.h
@@ -128,9 +128,6 @@ struct PCMachineClass {
/* create kvmclock device even when KVM PV features are not exposed */
bool kvmclock_create_always;
-
- /* skip passing an rng seed for legacy machines */
- bool legacy_no_rng_seed;
};
#define TYPE_PC_MACHINE "generic-pc-machine"
diff --git a/include/hw/i386/x86.h b/include/hw/i386/x86.h
index 62fa5774f8..df82c5fd42 100644
--- a/include/hw/i386/x86.h
+++ b/include/hw/i386/x86.h
@@ -126,8 +126,7 @@ void x86_bios_rom_init(MachineState *ms, const char
*default_firmware,
void x86_load_linux(X86MachineState *x86ms,
FWCfgState *fw_cfg,
int acpi_data_size,
- bool pvh_enabled,
- bool legacy_no_rng_seed);
+ bool pvh_enabled);
bool x86_machine_is_smm_enabled(const X86MachineState *x86ms);
bool x86_machine_is_acpi_enabled(const X86MachineState *x86ms);
diff --git a/include/hw/nvram/fw_cfg.h b/include/hw/nvram/fw_cfg.h
index 2e503904dc..c1f81a5f13 100644
--- a/include/hw/nvram/fw_cfg.h
+++ b/include/hw/nvram/fw_cfg.h
@@ -117,28 +117,6 @@ struct FWCfgMemState {
*/
void fw_cfg_add_bytes(FWCfgState *s, uint16_t key, void *data, size_t len);
-/**
- * fw_cfg_add_bytes_callback:
- * @s: fw_cfg device being modified
- * @key: selector key value for new fw_cfg item
- * @select_cb: callback function when selecting
- * @write_cb: callback function after a write
- * @callback_opaque: argument to be passed into callback function
- * @data: pointer to start of item data
- * @len: size of item data
- * @read_only: is file read only
- *
- * Add a new fw_cfg item, available by selecting the given key, as a raw
- * "blob" of the given size. The data referenced by the starting pointer
- * is only linked, NOT copied, into the data structure of the fw_cfg device.
- */
-void fw_cfg_add_bytes_callback(FWCfgState *s, uint16_t key,
- FWCfgCallback select_cb,
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