aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--MAINTAINERS1
-rw-r--r--accel/hvf/hvf-all.c1
-rw-r--r--accel/stubs/hvf-stub.c12
-rw-r--r--accel/stubs/meson.build1
-rw-r--r--block/nvme.c41
-rw-r--r--bsd-user/main.c12
-rw-r--r--docs/about/deprecated.rst7
-rw-r--r--docs/about/removed-features.rst10
-rw-r--r--docs/conf.py39
-rw-r--r--hw/acpi/generic_event_device.c10
-rw-r--r--hw/display/vhost-user-gpu.c9
-rw-r--r--hw/display/virtio-gpu-udmabuf.c8
-rw-r--r--hw/hyperv/hyperv.c3
-rw-r--r--hw/hyperv/meson.build11
-rw-r--r--hw/hyperv/syndbg.c9
-rw-r--r--hw/hyperv/vmbus.c2
-rw-r--r--hw/i2c/imx_i2c.c11
-rw-r--r--hw/i386/acpi-build.c10
-rw-r--r--hw/i386/acpi-build.h2
-rw-r--r--hw/pci/pcie_port.c4
-rw-r--r--hw/vfio/display.c7
-rw-r--r--hw/xen/xen-mapcache.c32
-rw-r--r--include/hw/boards.h58
-rw-r--r--include/hw/core/cpu.h12
-rw-r--r--include/hw/hyperv/hyperv.h3
-rw-r--r--include/qemu/host-pci-mmio.h136
-rw-r--r--include/qemu/s390x_pci_mmio.h24
-rw-r--r--include/system/hvf.h17
-rw-r--r--include/system/hvf_int.h2
-rw-r--r--include/ui/dmabuf.h20
-rw-r--r--include/ui/egl-helpers.h5
-rw-r--r--meson.build5
-rw-r--r--qom/qom-qmp-cmds.c21
-rw-r--r--target/alpha/machine.c2
-rw-r--r--target/hppa/machine.c2
-rw-r--r--target/microblaze/machine.c2
-rw-r--r--target/openrisc/machine.c2
-rw-r--r--tests/qtest/q35-test.c37
-rw-r--r--ui/dbus-display1.xml45
-rw-r--r--ui/dbus-listener.c129
-rw-r--r--ui/dmabuf.c80
-rw-r--r--ui/egl-helpers.c103
-rw-r--r--ui/spice-display.c108
-rw-r--r--util/meson.build2
-rw-r--r--util/s390x_pci_mmio.c146
45 files changed, 946 insertions, 257 deletions
diff --git a/MAINTAINERS b/MAINTAINERS
index 23174b4..6dacd6d 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -525,6 +525,7 @@ R: Phil Dennis-Jordan <phil@philjordan.eu>
W: https://wiki.qemu.org/Features/HVF
S: Maintained
F: accel/hvf/
+F: accel/stubs/hvf-stub.c
F: include/system/hvf.h
F: include/system/hvf_int.h
diff --git a/accel/hvf/hvf-all.c b/accel/hvf/hvf-all.c
index 3fc65d6..8c387fd 100644
--- a/accel/hvf/hvf-all.c
+++ b/accel/hvf/hvf-all.c
@@ -12,6 +12,7 @@
#include "qemu/error-report.h"
#include "system/hvf.h"
#include "system/hvf_int.h"
+#include "hw/core/cpu.h"
const char *hvf_return_string(hv_return_t ret)
{
diff --git a/accel/stubs/hvf-stub.c b/accel/stubs/hvf-stub.c
new file mode 100644
index 0000000..42eadc5
--- /dev/null
+++ b/accel/stubs/hvf-stub.c
@@ -0,0 +1,12 @@
+/*
+ * HVF stubs for QEMU
+ *
+ * Copyright (c) Linaro
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#include "qemu/osdep.h"
+#include "system/hvf.h"
+
+bool hvf_allowed;
diff --git a/accel/stubs/meson.build b/accel/stubs/meson.build
index 91a2d21..8ca1a45 100644
--- a/accel/stubs/meson.build
+++ b/accel/stubs/meson.build
@@ -2,5 +2,6 @@ system_stubs_ss = ss.source_set()
system_stubs_ss.add(when: 'CONFIG_XEN', if_false: files('xen-stub.c'))
system_stubs_ss.add(when: 'CONFIG_KVM', if_false: files('kvm-stub.c'))
system_stubs_ss.add(when: 'CONFIG_TCG', if_false: files('tcg-stub.c'))
+system_stubs_ss.add(when: 'CONFIG_HVF', if_false: files('hvf-stub.c'))
specific_ss.add_all(when: ['CONFIG_SYSTEM_ONLY'], if_true: system_stubs_ss)
diff --git a/block/nvme.c b/block/nvme.c
index bbf7c23..8df53ee 100644
--- a/block/nvme.c
+++ b/block/nvme.c
@@ -18,6 +18,7 @@
#include "qobject/qstring.h"
#include "qemu/defer-call.h"
#include "qemu/error-report.h"
+#include "qemu/host-pci-mmio.h"
#include "qemu/main-loop.h"
#include "qemu/module.h"
#include "qemu/cutils.h"
@@ -60,7 +61,7 @@ typedef struct {
uint8_t *queue;
uint64_t iova;
/* Hardware MMIO register */
- volatile uint32_t *doorbell;
+ uint32_t *doorbell;
} NVMeQueue;
typedef struct {
@@ -100,7 +101,7 @@ struct BDRVNVMeState {
QEMUVFIOState *vfio;
void *bar0_wo_map;
/* Memory mapped registers */
- volatile struct {
+ struct {
uint32_t sq_tail;
uint32_t cq_head;
} *doorbells;
@@ -292,7 +293,7 @@ static void nvme_kick(NVMeQueuePair *q)
assert(!(q->sq.tail & 0xFF00));
/* Fence the write to submission queue entry before notifying the device. */
smp_wmb();
- *q->sq.doorbell = cpu_to_le32(q->sq.tail);
+ host_pci_stl_le_p(q->sq.doorbell, q->sq.tail);
q->inflight += q->need_kick;
q->need_kick = 0;
}
@@ -441,7 +442,7 @@ static bool nvme_process_completion(NVMeQueuePair *q)
if (progress) {
/* Notify the device so it can post more completions. */
smp_mb_release();
- *q->cq.doorbell = cpu_to_le32(q->cq.head);
+ host_pci_stl_le_p(q->cq.doorbell, q->cq.head);
nvme_wake_free_req_locked(q);
}
@@ -460,7 +461,7 @@ static void nvme_process_completion_bh(void *opaque)
* so notify the device that it has space to fill in more completions now.
*/
smp_mb_release();
- *q->cq.doorbell = cpu_to_le32(q->cq.head);
+ host_pci_stl_le_p(q->cq.doorbell, q->cq.head);
nvme_wake_free_req_locked(q);
nvme_process_completion(q);
@@ -749,9 +750,10 @@ static int nvme_init(BlockDriverState *bs, const char *device, int namespace,
int ret;
uint64_t cap;
uint32_t ver;
+ uint32_t cc;
uint64_t timeout_ms;
uint64_t deadline, now;
- volatile NvmeBar *regs = NULL;
+ NvmeBar *regs = NULL;
qemu_co_mutex_init(&s->dma_map_lock);
qemu_co_queue_init(&s->dma_flush_queue);
@@ -779,7 +781,7 @@ static int nvme_init(BlockDriverState *bs, const char *device, int namespace,
/* Perform initialize sequence as described in NVMe spec "7.6.1
* Initialization". */
- cap = le64_to_cpu(regs->cap);
+ cap = host_pci_ldq_le_p(&regs->cap);
trace_nvme_controller_capability_raw(cap);
trace_nvme_controller_capability("Maximum Queue Entries Supported",
1 + NVME_CAP_MQES(cap));
@@ -805,16 +807,17 @@ static int nvme_init(BlockDriverState *bs, const char *device, int namespace,
bs->bl.request_alignment = s->page_size;
timeout_ms = MIN(500 * NVME_CAP_TO(cap), 30000);
- ver = le32_to_cpu(regs->vs);
+ ver = host_pci_ldl_le_p(&regs->vs);
trace_nvme_controller_spec_version(extract32(ver, 16, 16),
extract32(ver, 8, 8),
extract32(ver, 0, 8));
/* Reset device to get a clean state. */
- regs->cc = cpu_to_le32(le32_to_cpu(regs->cc) & 0xFE);
+ cc = host_pci_ldl_le_p(&regs->cc);
+ host_pci_stl_le_p(&regs->cc, cc & 0xFE);
/* Wait for CSTS.RDY = 0. */
deadline = qemu_clock_get_ns(QEMU_CLOCK_REALTIME) + timeout_ms * SCALE_MS;
- while (NVME_CSTS_RDY(le32_to_cpu(regs->csts))) {
+ while (NVME_CSTS_RDY(host_pci_ldl_le_p(&regs->csts))) {
if (qemu_clock_get_ns(QEMU_CLOCK_REALTIME) > deadline) {
error_setg(errp, "Timeout while waiting for device to reset (%"
PRId64 " ms)",
@@ -843,19 +846,21 @@ static int nvme_init(BlockDriverState *bs, const char *device, int namespace,
s->queues[INDEX_ADMIN] = q;
s->queue_count = 1;
QEMU_BUILD_BUG_ON((NVME_QUEUE_SIZE - 1) & 0xF000);
- regs->aqa = cpu_to_le32(((NVME_QUEUE_SIZE - 1) << AQA_ACQS_SHIFT) |
- ((NVME_QUEUE_SIZE - 1) << AQA_ASQS_SHIFT));
- regs->asq = cpu_to_le64(q->sq.iova);
- regs->acq = cpu_to_le64(q->cq.iova);
+ host_pci_stl_le_p(&regs->aqa,
+ ((NVME_QUEUE_SIZE - 1) << AQA_ACQS_SHIFT) |
+ ((NVME_QUEUE_SIZE - 1) << AQA_ASQS_SHIFT));
+ host_pci_stq_le_p(&regs->asq, q->sq.iova);
+ host_pci_stq_le_p(&regs->acq, q->cq.iova);
/* After setting up all control registers we can enable device now. */
- regs->cc = cpu_to_le32((ctz32(NVME_CQ_ENTRY_BYTES) << CC_IOCQES_SHIFT) |
- (ctz32(NVME_SQ_ENTRY_BYTES) << CC_IOSQES_SHIFT) |
- CC_EN_MASK);
+ host_pci_stl_le_p(&regs->cc,
+ (ctz32(NVME_CQ_ENTRY_BYTES) << CC_IOCQES_SHIFT) |
+ (ctz32(NVME_SQ_ENTRY_BYTES) << CC_IOSQES_SHIFT) |
+ CC_EN_MASK);
/* Wait for CSTS.RDY = 1. */
now = qemu_clock_get_ns(QEMU_CLOCK_REALTIME);
deadline = now + timeout_ms * SCALE_MS;
- while (!NVME_CSTS_RDY(le32_to_cpu(regs->csts))) {
+ while (!NVME_CSTS_RDY(host_pci_ldl_le_p(&regs->csts))) {
if (qemu_clock_get_ns(QEMU_CLOCK_REALTIME) > deadline) {
error_setg(errp, "Timeout while waiting for device to start (%"
PRId64 " ms)",
diff --git a/bsd-user/main.c b/bsd-user/main.c
index 603fc80..7c0a059 100644
--- a/bsd-user/main.c
+++ b/bsd-user/main.c
@@ -175,6 +175,9 @@ static void usage(void)
"-strace log system calls\n"
"-trace [[enable=]<pattern>][,events=<file>][,file=<file>]\n"
" specify tracing options\n"
+#ifdef CONFIG_PLUGIN
+ "-plugin [file=]<file>[,<argname>=<argvalue>]\n"
+#endif
"\n"
"Environment variables:\n"
"QEMU_STRACE Print system calls and arguments similar to the\n"
@@ -225,6 +228,8 @@ static void init_task_state(TaskState *ts)
};
}
+static QemuPluginList plugins = QTAILQ_HEAD_INITIALIZER(plugins);
+
void gemu_log(const char *fmt, ...)
{
va_list ap;
@@ -307,6 +312,7 @@ int main(int argc, char **argv)
cpu_model = NULL;
qemu_add_opts(&qemu_trace_opts);
+ qemu_plugin_add_opts();
optind = 1;
for (;;) {
@@ -399,6 +405,11 @@ int main(int argc, char **argv)
do_strace = 1;
} else if (!strcmp(r, "trace")) {
trace_opt_parse(optarg);
+#ifdef CONFIG_PLUGIN
+ } else if (!strcmp(r, "plugin")) {
+ r = argv[optind++];
+ qemu_plugin_opt_parse(r, &plugins);
+#endif
} else if (!strcmp(r, "0")) {
argv0 = argv[optind++];
} else {
@@ -433,6 +444,7 @@ int main(int argc, char **argv)
exit(1);
}
trace_init_file();
+ qemu_plugin_load_list(&plugins, &error_fatal);
/* Zero out regs */
memset(regs, 0, sizeof(struct target_pt_regs));
diff --git a/docs/about/deprecated.rst b/docs/about/deprecated.rst
index 0538144..1a1b423 100644
--- a/docs/about/deprecated.rst
+++ b/docs/about/deprecated.rst
@@ -278,6 +278,13 @@ CPU implementation for a while before removing all support.
System emulator machines
------------------------
+Versioned machine types (aarch64, arm, i386, m68k, ppc64, s390x, x86_64)
+''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
+
+In accordance with our versioned machine type deprecation policy, all machine
+types with version |VER_MACHINE_DEPRECATION_VERSION|, or older, have been
+deprecated.
+
Arm ``virt`` machine ``dtb-kaslr-seed`` property (since 7.1)
''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
diff --git a/docs/about/removed-features.rst b/docs/about/removed-features.rst
index 790a5e4..063284d 100644
--- a/docs/about/removed-features.rst
+++ b/docs/about/removed-features.rst
@@ -981,10 +981,12 @@ from Linux in 2021, and is not supported anymore by QEMU either.
System emulator machines
------------------------
-Note: Versioned machine types that have been introduced in a QEMU version
-that has initially been released more than 6 years before are considered
-obsolete and will be removed without further notice in this document.
-Please use newer machine types instead.
+Versioned machine types (aarch64, arm, i386, m68k, ppc64, s390x, x86_64)
+''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
+
+In accordance with our versioned machine type deprecation policy, all machine
+types with version |VER_MACHINE_DELETION_VERSION|, or older, have been
+removed.
``s390-virtio`` (removed in 2.6)
''''''''''''''''''''''''''''''''
diff --git a/docs/conf.py b/docs/conf.py
index 7b5712e..f892a6e 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -117,6 +117,32 @@ finally:
else:
version = release = "unknown version"
+bits = version.split(".")
+
+major = int(bits[0])
+minor = int(bits[1])
+micro = int(bits[2])
+
+# Check for a dev snapshot, so we can adjust to next
+# predicted release version.
+#
+# This assumes we do 3 releases per year, so must bump
+# major if minor == 2
+if micro >= 50:
+ micro = 0
+ if minor == 2:
+ major += 1
+ minor = 0
+ else:
+ minor += 1
+
+# These thresholds must match the constants
+# MACHINE_VER_DELETION_MAJOR & MACHINE_VER_DEPRECATION_MAJOR
+# defined in include/hw/boards.h and the introductory text in
+# docs/about/deprecated.rst
+ver_machine_deprecation_version = "%d.%d.0" % (major - 3, minor)
+ver_machine_deletion_version = "%d.%d.0" % (major - 6, minor)
+
# The language for content autogenerated by Sphinx. Refer to documentation
# for a list of supported languages.
#
@@ -145,7 +171,18 @@ suppress_warnings = ["ref.option"]
# environment variable is not set is for the benefit of readthedocs
# style document building; our Makefile always sets the variable.
confdir = os.getenv('CONFDIR', "/etc/qemu")
-rst_epilog = ".. |CONFDIR| replace:: ``" + confdir + "``\n"
+
+vars = {
+ "CONFDIR": confdir,
+ "VER_MACHINE_DEPRECATION_VERSION": ver_machine_deprecation_version,
+ "VER_MACHINE_DELETION_VERSION": ver_machine_deletion_version,
+}
+
+rst_epilog = "".join([
+ ".. |" + key + "| replace:: ``" + vars[key] + "``\n"
+ for key in vars.keys()
+])
+
# We slurp in the defs.rst.inc and literally include it into rst_epilog,
# because Sphinx's include:: directive doesn't work with absolute paths
# and there isn't any one single relative path that will work for all
diff --git a/hw/acpi/generic_event_device.c b/hw/acpi/generic_event_device.c
index d8adfea..7a62f8d 100644
--- a/hw/acpi/generic_event_device.c
+++ b/hw/acpi/generic_event_device.c
@@ -458,11 +458,11 @@ static void acpi_ged_initfn(Object *obj)
* container for memory hotplug IO and expose it as GED sysbus
* MMIO so that boards can map it separately.
*/
- memory_region_init(&s->container_memhp, OBJECT(dev), "memhp container",
- MEMORY_HOTPLUG_IO_LEN);
- sysbus_init_mmio(sbd, &s->container_memhp);
- acpi_memory_hotplug_init(&s->container_memhp, OBJECT(dev),
- &s->memhp_state, 0);
+ memory_region_init(&s->container_memhp, OBJECT(dev), "memhp container",
+ MEMORY_HOTPLUG_IO_LEN);
+ sysbus_init_mmio(sbd, &s->container_memhp);
+ acpi_memory_hotplug_init(&s->container_memhp, OBJECT(dev),
+ &s->memhp_state, 0);
memory_region_init_io(&ged_st->regs, obj, &ged_regs_ops, ged_st,
TYPE_ACPI_GED "-regs", ACPI_GED_REG_COUNT);
diff --git a/hw/display/vhost-user-gpu.c b/hw/display/vhost-user-gpu.c
index 06c4e7e..43d4c08 100644
--- a/hw/display/vhost-user-gpu.c
+++ b/hw/display/vhost-user-gpu.c
@@ -18,6 +18,7 @@
#include "chardev/char-fe.h"
#include "qapi/error.h"
#include "migration/blocker.h"
+#include "standard-headers/drm/drm_fourcc.h"
typedef enum VhostUserGpuRequest {
VHOST_USER_GPU_NONE = 0,
@@ -249,7 +250,9 @@ vhost_user_gpu_handle_display(VhostUserGPU *g, VhostUserGpuMsg *msg)
case VHOST_USER_GPU_DMABUF_SCANOUT: {
VhostUserGpuDMABUFScanout *m = &msg->payload.dmabuf_scanout;
int fd = qemu_chr_fe_get_msgfd(&g->vhost_chr);
- uint64_t modifier = 0;
+ uint32_t offset = 0;
+ uint32_t stride = m->fd_stride;
+ uint64_t modifier = DRM_FORMAT_MOD_INVALID;
QemuDmaBuf *dmabuf;
if (m->scanout_id >= g->parent_obj.conf.max_outputs) {
@@ -282,10 +285,10 @@ vhost_user_gpu_handle_display(VhostUserGPU *g, VhostUserGpuMsg *msg)
}
dmabuf = qemu_dmabuf_new(m->width, m->height,
- m->fd_stride, 0, 0,
+ &offset, &stride, 0, 0,
m->fd_width, m->fd_height,
m->fd_drm_fourcc, modifier,
- fd, false, m->fd_flags &
+ &fd, 1, false, m->fd_flags &
VIRTIO_GPU_RESOURCE_FLAG_Y_0_TOP);
dpy_gl_scanout_dmabuf(con, dmabuf);
diff --git a/hw/display/virtio-gpu-udmabuf.c b/hw/display/virtio-gpu-udmabuf.c
index 0510577..d804f32 100644
--- a/hw/display/virtio-gpu-udmabuf.c
+++ b/hw/display/virtio-gpu-udmabuf.c
@@ -25,6 +25,7 @@
#include <linux/memfd.h>
#include "qemu/memfd.h"
#include "standard-headers/linux/udmabuf.h"
+#include "standard-headers/drm/drm_fourcc.h"
static void virtio_gpu_create_udmabuf(struct virtio_gpu_simple_resource *res)
{
@@ -176,16 +177,19 @@ static VGPUDMABuf
struct virtio_gpu_rect *r)
{
VGPUDMABuf *dmabuf;
+ uint32_t offset = 0;
if (res->dmabuf_fd < 0) {
return NULL;
}
dmabuf = g_new0(VGPUDMABuf, 1);
- dmabuf->buf = qemu_dmabuf_new(r->width, r->height, fb->stride,
+ dmabuf->buf = qemu_dmabuf_new(r->width, r->height,
+ &offset, &fb->stride,
r->x, r->y, fb->width, fb->height,
qemu_pixman_to_drm_format(fb->format),
- 0, res->dmabuf_fd, true, false);
+ DRM_FORMAT_MOD_INVALID, &res->dmabuf_fd,
+ 1, true, false);
dmabuf->scanout_id = scanout_id;
QTAILQ_INSERT_HEAD(&g->dmabuf.bufs, dmabuf, next);
diff --git a/hw/hyperv/hyperv.c b/hw/hyperv/hyperv.c
index 0271cfd..e4d0688 100644
--- a/hw/hyperv/hyperv.c
+++ b/hw/hyperv/hyperv.c
@@ -13,6 +13,8 @@
#include "qapi/error.h"
#include "system/address-spaces.h"
#include "system/memory.h"
+#include "exec/target_page.h"
+#include "linux/kvm.h"
#include "system/kvm.h"
#include "qemu/bitops.h"
#include "qemu/error-report.h"
@@ -23,7 +25,6 @@
#include "hw/hyperv/hyperv.h"
#include "qom/object.h"
#include "target/i386/kvm/hyperv-proto.h"
-#include "target/i386/cpu.h"
#include "exec/target_page.h"
struct SynICState {
diff --git a/hw/hyperv/meson.build b/hw/hyperv/meson.build
index d3d2668..d1cf781 100644
--- a/hw/hyperv/meson.build
+++ b/hw/hyperv/meson.build
@@ -1,5 +1,6 @@
-specific_ss.add(when: 'CONFIG_HYPERV', if_true: files('hyperv.c'))
-specific_ss.add(when: 'CONFIG_HYPERV_TESTDEV', if_true: files('hyperv_testdev.c'))
-specific_ss.add(when: 'CONFIG_VMBUS', if_true: files('vmbus.c'))
-specific_ss.add(when: 'CONFIG_SYNDBG', if_true: files('syndbg.c'))
-specific_ss.add(when: 'CONFIG_HV_BALLOON', if_true: files('hv-balloon.c', 'hv-balloon-page_range_tree.c', 'hv-balloon-our_range_memslots.c'), if_false: files('hv-balloon-stub.c'))
+system_ss.add(when: 'CONFIG_HYPERV', if_true: files('hyperv.c'))
+system_ss.add(when: 'CONFIG_HYPERV_TESTDEV', if_true: files('hyperv_testdev.c'))
+system_ss.add(when: 'CONFIG_VMBUS', if_true: files('vmbus.c'))
+system_ss.add(when: 'CONFIG_SYNDBG', if_true: files('syndbg.c'))
+system_ss.add(when: 'CONFIG_HV_BALLOON', if_true: files('hv-balloon.c', 'hv-balloon-page_range_tree.c', 'hv-balloon-our_range_memslots.c'))
+system_ss.add(when: 'CONFIG_HV_BALLOON', if_false: files('hv-balloon-stub.c'))
diff --git a/hw/hyperv/syndbg.c b/hw/hyperv/syndbg.c
index ca29182..8b8a147 100644
--- a/hw/hyperv/syndbg.c
+++ b/hw/hyperv/syndbg.c
@@ -10,11 +10,11 @@
#include "qemu/error-report.h"
#include "qemu/main-loop.h"
#include "qemu/sockets.h"
+#include "qemu/units.h"
#include "qapi/error.h"
#include "migration/vmstate.h"
#include "hw/qdev-properties.h"
#include "hw/loader.h"
-#include "cpu.h"
#include "exec/target_page.h"
#include "hw/hyperv/hyperv.h"
#include "hw/hyperv/vmbus-bridge.h"
@@ -184,12 +184,15 @@ static bool create_udp_pkt(HvSynDbg *syndbg, void *pkt, uint32_t pkt_len,
return true;
}
+#define MSG_BUFSZ (4 * KiB)
+
static uint16_t handle_recv_msg(HvSynDbg *syndbg, uint64_t outgpa,
uint32_t count, bool is_raw, uint32_t options,
uint64_t timeout, uint32_t *retrieved_count)
{
uint16_t ret;
- uint8_t data_buf[TARGET_PAGE_SIZE - UDP_PKT_HEADER_SIZE];
+ g_assert(MSG_BUFSZ >= qemu_target_page_size());
+ uint8_t data_buf[MSG_BUFSZ];
hwaddr out_len;
void *out_data;
ssize_t recv_byte_count;
@@ -202,7 +205,7 @@ static uint16_t handle_recv_msg(HvSynDbg *syndbg, uint64_t outgpa,
recv_byte_count = 0;
} else {
recv_byte_count = recv(syndbg->socket, data_buf,
- MIN(sizeof(data_buf), count), MSG_WAITALL);
+ MIN(MSG_BUFSZ, count), MSG_WAITALL);
if (recv_byte_count == -1) {
return HV_STATUS_INVALID_PARAMETER;
}
diff --git a/hw/hyperv/vmbus.c b/hw/hyperv/vmbus.c
index b147ea0..961406c 100644
--- a/hw/hyperv/vmbus.c
+++ b/hw/hyperv/vmbus.c
@@ -19,7 +19,7 @@
#include "hw/hyperv/vmbus.h"
#include "hw/hyperv/vmbus-bridge.h"
#include "hw/sysbus.h"
-#include "cpu.h"
+#include "exec/target_page.h"
#include "trace.h"
enum {
diff --git a/hw/i2c/imx_i2c.c b/hw/i2c/imx_i2c.c
index 91f84c2..d26177c 100644
--- a/hw/i2c/imx_i2c.c
+++ b/hw/i2c/imx_i2c.c
@@ -79,13 +79,12 @@ static void imx_i2c_reset(DeviceState *dev)
static inline void imx_i2c_raise_interrupt(IMXI2CState *s)
{
- /*
- * raise an interrupt if the device is enabled and it is configured
- * to generate some interrupts.
- */
- if (imx_i2c_is_enabled(s) && imx_i2c_interrupt_is_enabled(s)) {
+ if (imx_i2c_is_enabled(s)) {
s->i2sr |= I2SR_IIF;
- qemu_irq_raise(s->irq);
+
+ if (imx_i2c_interrupt_is_enabled(s)) {
+ qemu_irq_raise(s->irq);
+ }
}
}
diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c
index 3fffa4a..f40ad06 100644
--- a/hw/i386/acpi-build.c
+++ b/hw/i386/acpi-build.c
@@ -139,7 +139,7 @@ static void init_common_fadt_data(MachineState *ms, Object *o,
/*
* "ICH9-LPC" or "PIIX4_PM" has "smm-compat" property to keep the old
* behavior for compatibility irrelevant to smm_enabled, which doesn't
- * comforms to ACPI spec.
+ * conform to the ACPI spec.
*/
bool smm_enabled = object_property_get_bool(o, "smm-compat", NULL) ?
true : x86_machine_is_smm_enabled(x86ms);
@@ -589,8 +589,8 @@ void build_append_pci_bus_devices(Aml *parent_scope, PCIBus *bus)
}
}
-static bool build_append_notfication_callback(Aml *parent_scope,
- const PCIBus *bus)
+static bool build_append_notification_callback(Aml *parent_scope,
+ const PCIBus *bus)
{
Aml *method;
PCIBus *sec;
@@ -604,7 +604,7 @@ static bool build_append_notfication_callback(Aml *parent_scope,
continue;
}
nr_notifiers = nr_notifiers +
- build_append_notfication_callback(br_scope, sec);
+ build_append_notification_callback(br_scope, sec);
/*
* add new child scope to parent
* and keep track of bus that have PCNT,
@@ -1773,7 +1773,7 @@ build_dsdt(GArray *table_data, BIOSLinker *linker,
PCIBus *b = PCI_HOST_BRIDGE(pci_host)->bus;
scope = aml_scope("\\_SB.PCI0");
- has_pcnt = build_append_notfication_callback(scope, b);
+ has_pcnt = build_append_notification_callback(scope, b);
if (has_pcnt) {
aml_append(dsdt, scope);
}
diff --git a/hw/i386/acpi-build.h b/hw/i386/acpi-build.h
index 0dce155..275ec05 100644
--- a/hw/i386/acpi-build.h
+++ b/hw/i386/acpi-build.h
@@ -5,7 +5,7 @@
extern const struct AcpiGenericAddress x86_nvdimm_acpi_dsmio;
-/* PCI Hot-plug registers bases. See docs/spec/acpi_pci_hotplug.txt */
+/* PCI Hot-plug registers' base. See docs/specs/acpi_pci_hotplug.rst */
#define ACPI_PCIHP_SEJ_BASE 0x8
#define ACPI_PCIHP_BNMR_BASE 0x10
diff --git a/hw/pci/pcie_port.c b/hw/pci/pcie_port.c
index 54f639e..f3841a2 100644
--- a/hw/pci/pcie_port.c
+++ b/hw/pci/pcie_port.c
@@ -188,7 +188,7 @@ int pcie_count_ds_ports(PCIBus *bus)
return dsp_count;
}
-static bool pcie_slot_is_hotpluggbale_bus(HotplugHandler *plug_handler,
+static bool pcie_slot_is_hotpluggable_bus(HotplugHandler *plug_handler,
BusState *bus)
{
PCIESlot *s = PCIE_SLOT(bus->parent);
@@ -221,7 +221,7 @@ static void pcie_slot_class_init(ObjectClass *oc, const void *data)
hc->plug = pcie_cap_slot_plug_cb;
hc->unplug = pcie_cap_slot_unplug_cb;
hc->unplug_request = pcie_cap_slot_unplug_request_cb;
- hc->is_hotpluggable_bus = pcie_slot_is_hotpluggbale_bus;
+ hc->is_hotpluggable_bus = pcie_slot_is_hotpluggable_bus;
}
static const TypeInfo pcie_slot_type_info = {
diff --git a/hw/vfio/display.c b/hw/vfio/display.c
index f3e6581..9c6f5aa 100644
--- a/hw/vfio/display.c
+++ b/hw/vfio/display.c
@@ -213,6 +213,7 @@ static VFIODMABuf *vfio_display_get_dmabuf(VFIOPCIDevice *vdev,
struct vfio_device_gfx_plane_info plane;
VFIODMABuf *dmabuf;
int fd, ret;
+ uint32_t offset = 0;
memset(&plane, 0, sizeof(plane));
plane.argsz = sizeof(plane);
@@ -245,10 +246,10 @@ static VFIODMABuf *vfio_display_get_dmabuf(VFIOPCIDevice *vdev,
dmabuf = g_new0(VFIODMABuf, 1);
dmabuf->dmabuf_id = plane.dmabuf_id;
- dmabuf->buf = qemu_dmabuf_new(plane.width, plane.height,
- plane.stride, 0, 0, plane.width,
+ dmabuf->buf = qemu_dmabuf_new(plane.width, plane.height, &offset,
+ &plane.stride, 0, 0, plane.width,
plane.height, plane.drm_format,
- plane.drm_format_mod, fd, false, false);
+ plane.drm_format_mod, &fd, 1, false, false);
if (plane_type == DRM_PLANE_TYPE_CURSOR) {
vfio_display_update_cursor(dmabuf, &plane);
diff --git a/hw/xen/xen-mapcache.c b/hw/xen/xen-mapcache.c
index 698b5c5..e31d379 100644
--- a/hw/xen/xen-mapcache.c
+++ b/hw/xen/xen-mapcache.c
@@ -75,7 +75,8 @@ typedef struct MapCache {
} MapCache;
static MapCache *mapcache;
-static MapCache *mapcache_grants;
+static MapCache *mapcache_grants_ro;
+static MapCache *mapcache_grants_rw;
static xengnttab_handle *xen_region_gnttabdev;
static inline void mapcache_lock(MapCache *mc)
@@ -176,9 +177,12 @@ void xen_map_cache_init(phys_offset_to_gaddr_t f, void *opaque)
* Grant mappings must use XC_PAGE_SIZE granularity since we can't
* map anything beyond the number of pages granted to us.
*/
- mapcache_grants = xen_map_cache_init_single(f, opaque,
- XC_PAGE_SHIFT,
- max_mcache_size);
+ mapcache_grants_ro = xen_map_cache_init_single(f, opaque,
+ XC_PAGE_SHIFT,
+ max_mcache_size);
+ mapcache_grants_rw = xen_map_cache_init_single(f, opaque,
+ XC_PAGE_SHIFT,
+ max_mcache_size);
setrlimit(RLIMIT_AS, &rlimit_as);
}
@@ -376,12 +380,12 @@ tryagain:
entry = &mc->entry[address_index % mc->nr_buckets];
- while (entry && (lock || entry->lock) && entry->vaddr_base &&
- (entry->paddr_index != address_index || entry->size != cache_size ||
+ while (entry && (!entry->vaddr_base ||
+ entry->paddr_index != address_index || entry->size != cache_size ||
!test_bits(address_offset >> XC_PAGE_SHIFT,
test_bit_size >> XC_PAGE_SHIFT,
entry->valid_mapping))) {
- if (!free_entry && !entry->lock) {
+ if (!free_entry && (!entry->lock || !entry->vaddr_base)) {
free_entry = entry;
free_pentry = pentry;
}
@@ -456,9 +460,13 @@ uint8_t *xen_map_cache(MemoryRegion *mr,
bool is_write)
{
bool grant = xen_mr_is_grants(mr);
- MapCache *mc = grant ? mapcache_grants : mapcache;
+ MapCache *mc = mapcache;
uint8_t *p;
+ if (grant) {
+ mc = is_write ? mapcache_grants_rw : mapcache_grants_ro;
+ }
+
if (grant && !lock) {
/*
* Grants are only supported via address_space_map(). Anything
@@ -523,7 +531,10 @@ ram_addr_t xen_ram_addr_from_mapcache(void *ptr)
addr = xen_ram_addr_from_mapcache_single(mapcache, ptr);
if (addr == RAM_ADDR_INVALID) {
- addr = xen_ram_addr_from_mapcache_single(mapcache_grants, ptr);
+ addr = xen_ram_addr_from_mapcache_single(mapcache_grants_ro, ptr);
+ }
+ if (addr == RAM_ADDR_INVALID) {
+ addr = xen_ram_addr_from_mapcache_single(mapcache_grants_rw, ptr);
}
return addr;
@@ -626,7 +637,8 @@ static void xen_invalidate_map_cache_entry_single(MapCache *mc, uint8_t *buffer)
static void xen_invalidate_map_cache_entry_all(uint8_t *buffer)
{
xen_invalidate_map_cache_entry_single(mapcache, buffer);
- xen_invalidate_map_cache_entry_single(mapcache_grants, buffer);
+ xen_invalidate_map_cache_entry_single(mapcache_grants_ro, buffer);
+ xen_invalidate_map_cache_entry_single(mapcache_grants_rw, buffer);
}
static void xen_invalidate_map_cache_entry_bh(void *opaque)
diff --git a/include/hw/boards.h b/include/hw/boards.h
index 765dc8d..a7b1fcf 100644
--- a/include/hw/boards.h
+++ b/include/hw/boards.h
@@ -636,7 +636,11 @@ struct MachineState {
/*
* How many years/major releases for each phase
* of the life cycle. Assumes use of versioning
- * scheme where major is bumped each year
+ * scheme where major is bumped each year.
+ *
+ * These values must match the ver_machine_deprecation_version
+ * and ver_machine_deletion_version logic in docs/conf.py and
+ * the text in docs/about/deprecated.rst
*/
#define MACHINE_VER_DELETION_MAJOR 6
#define MACHINE_VER_DEPRECATION_MAJOR 3
@@ -650,11 +654,42 @@ struct MachineState {
" years old are subject to deletion after " \
stringify(MACHINE_VER_DELETION_MAJOR) " years"
-#define _MACHINE_VER_IS_EXPIRED_IMPL(cutoff, major, minor) \
+#define _MACHINE_VER_IS_CURRENT_EXPIRED(cutoff, major, minor) \
(((QEMU_VERSION_MAJOR - major) > cutoff) || \
(((QEMU_VERSION_MAJOR - major) == cutoff) && \
(QEMU_VERSION_MINOR - minor) >= 0))
+#define _MACHINE_VER_IS_NEXT_MINOR_EXPIRED(cutoff, major, minor) \
+ (((QEMU_VERSION_MAJOR - major) > cutoff) || \
+ (((QEMU_VERSION_MAJOR - major) == cutoff) && \
+ ((QEMU_VERSION_MINOR + 1) - minor) >= 0))
+
+#define _MACHINE_VER_IS_NEXT_MAJOR_EXPIRED(cutoff, major, minor) \
+ ((((QEMU_VERSION_MAJOR + 1) - major) > cutoff) || \
+ ((((QEMU_VERSION_MAJOR + 1) - major) == cutoff) && \
+ (0 - minor) >= 0))
+
+/*
+ * - The first check applies to formal releases
+ * - The second check applies to dev snapshots / release candidates
+ * where the next major version is the same.
+ * e.g. 9.0.50, 9.1.50, 9.0.90, 9.1.90
+ * - The third check applies to dev snapshots / release candidates
+ * where the next major version will change.
+ * e.g. 9.2.50, 9.2.90
+ *
+ * NB: this assumes we do 3 minor releases per year, before bumping major,
+ * and dev snapshots / release candidates are numbered with micro >= 50
+ * If this ever changes the logic below will need modifying....
+ */
+#define _MACHINE_VER_IS_EXPIRED_IMPL(cutoff, major, minor) \
+ ((QEMU_VERSION_MICRO < 50 && \
+ _MACHINE_VER_IS_CURRENT_EXPIRED(cutoff, major, minor)) || \
+ (QEMU_VERSION_MICRO >= 50 && QEMU_VERSION_MINOR < 2 && \
+ _MACHINE_VER_IS_NEXT_MINOR_EXPIRED(cutoff, major, minor)) || \
+ (QEMU_VERSION_MICRO >= 50 && QEMU_VERSION_MINOR == 2 && \
+ _MACHINE_VER_IS_NEXT_MAJOR_EXPIRED(cutoff, major, minor)))
+
#define _MACHINE_VER_IS_EXPIRED2(cutoff, major, minor) \
_MACHINE_VER_IS_EXPIRED_IMPL(cutoff, major, minor)
#define _MACHINE_VER_IS_EXPIRED3(cutoff, major, minor, micro) \
@@ -719,28 +754,11 @@ struct MachineState {
* suitable period of time has passed, it will cause
* execution of the method to return, avoiding registration
* of the machine
- *
- * The new deprecation and deletion policy for versioned
- * machine types was introduced in QEMU 9.1.0.
- *
- * Under the new policy a number of old machine types (any
- * prior to 2.12) would be liable for immediate deletion
- * which would be a violation of our historical deprecation
- * and removal policy
- *
- * Thus deletions are temporarily gated on existance of
- * the env variable "QEMU_DELETE_MACHINES" / QEMU version
- * number >= 10.1.0. This gate can be deleted in the 10.1.0
- * dev cycle
*/
#define MACHINE_VER_DELETION(...) \
do { \
if (MACHINE_VER_SHOULD_DELETE(__VA_ARGS__)) { \
- if (getenv("QEMU_DELETE_MACHINES") || \
- QEMU_VERSION_MAJOR > 10 || (QEMU_VERSION_MAJOR == 10 && \
- QEMU_VERSION_MINOR >= 1)) { \
- return; \
- } \
+ return; \
} \
} while (0)
diff --git a/include/hw/core/cpu.h b/include/hw/core/cpu.h
index 12b2ff1..1e87f7d 100644
--- a/include/hw/core/cpu.h
+++ b/include/hw/core/cpu.h
@@ -1121,20 +1121,8 @@ bool cpu_exec_realizefn(CPUState *cpu, Error **errp);
void cpu_exec_unrealizefn(CPUState *cpu);
void cpu_exec_reset_hold(CPUState *cpu);
-#ifdef COMPILING_PER_TARGET
-
extern const VMStateDescription vmstate_cpu_common;
-#define VMSTATE_CPU() { \
- .name = "parent_obj", \
- .size = sizeof(CPUState), \
- .vmsd = &vmstate_cpu_common, \
- .flags = VMS_STRUCT, \
- .offset = 0, \
-}
-
-#endif /* COMPILING_PER_TARGET */
-
#define UNASSIGNED_CPU_INDEX -1
#define UNASSIGNED_CLUSTER_INDEX -1
diff --git a/include/hw/hyperv/hyperv.h b/include/hw/hyperv/hyperv.h
index d717b4e..63a8b65 100644
--- a/include/hw/hyperv/hyperv.h
+++ b/include/hw/hyperv/hyperv.h
@@ -10,7 +10,8 @@
#ifndef HW_HYPERV_HYPERV_H
#define HW_HYPERV_HYPERV_H
-#include "cpu-qom.h"
+#include "exec/hwaddr.h"
+#include "hw/core/cpu.h"
#include "hw/hyperv/hyperv-proto.h"
typedef struct HvSintRoute HvSintRoute;
diff --git a/include/qemu/host-pci-mmio.h b/include/qemu/host-pci-mmio.h
new file mode 100644
index 0000000..a8ed993
--- /dev/null
+++ b/include/qemu/host-pci-mmio.h
@@ -0,0 +1,136 @@
+/*
+ * API for host PCI MMIO accesses (e.g. Linux VFIO BARs)
+ *
+ * Copyright 2025 IBM Corp.
+ * Author(s): Farhan Ali <alifm@linux.ibm.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#ifndef HOST_PCI_MMIO_H
+#define HOST_PCI_MMIO_H
+
+#include "qemu/bswap.h"
+#include "qemu/s390x_pci_mmio.h"
+
+static inline uint8_t host_pci_ldub_p(const void *ioaddr)
+{
+ uint8_t ret = 0;
+#ifdef __s390x__
+ ret = s390x_pci_mmio_read_8(ioaddr);
+#else
+ ret = ldub_p(ioaddr);
+#endif
+
+ return ret;
+}
+
+static inline uint16_t host_pci_lduw_le_p(const void *ioaddr)
+{
+ uint16_t ret = 0;
+#ifdef __s390x__
+ ret = le16_to_cpu(s390x_pci_mmio_read_16(ioaddr));
+#else
+ ret = lduw_le_p(ioaddr);
+#endif
+
+ return ret;
+}
+
+static inline uint32_t host_pci_ldl_le_p(const void *ioaddr)
+{
+ uint32_t ret = 0;
+#ifdef __s390x__
+ ret = le32_to_cpu(s390x_pci_mmio_read_32(ioaddr));
+#else
+ ret = ldl_le_p(ioaddr);
+#endif
+
+ return ret;
+}
+
+static inline uint64_t host_pci_ldq_le_p(const void *ioaddr)
+{
+ uint64_t ret = 0;
+#ifdef __s390x__
+ ret = le64_to_cpu(s390x_pci_mmio_read_64(ioaddr));
+#else
+ ret = ldq_le_p(ioaddr);
+#endif
+
+ return ret;
+}
+
+static inline void host_pci_stb_p(void *ioaddr, uint8_t val)
+{
+#ifdef __s390x__
+ s390x_pci_mmio_write_8(ioaddr, val);
+#else
+ stb_p(ioaddr, val);
+#endif
+}
+
+static inline void host_pci_stw_le_p(void *ioaddr, uint16_t val)
+{
+#ifdef __s390x__
+ s390x_pci_mmio_write_16(ioaddr, cpu_to_le16(val));
+#else
+ stw_le_p(ioaddr, val);
+#endif
+}
+
+static inline void host_pci_stl_le_p(void *ioaddr, uint32_t val)
+{
+#ifdef __s390x__
+ s390x_pci_mmio_write_32(ioaddr, cpu_to_le32(val));
+#else
+ stl_le_p(ioaddr, val);
+#endif
+}
+
+static inline void host_pci_stq_le_p(void *ioaddr, uint64_t val)
+{
+#ifdef __s390x__
+ s390x_pci_mmio_write_64(ioaddr, cpu_to_le64(val));
+#else
+ stq_le_p(ioaddr, val);
+#endif
+}
+
+static inline uint64_t host_pci_ldn_le_p(const void *ioaddr, int sz)
+{
+ switch (sz) {
+ case 1:
+ return host_pci_ldub_p(ioaddr);
+ case 2:
+ return host_pci_lduw_le_p(ioaddr);
+ case 4:
+ return host_pci_ldl_le_p(ioaddr);
+ case 8:
+ return host_pci_ldq_le_p(ioaddr);
+ default:
+ g_assert_not_reached();
+ }
+}
+
+static inline void host_pci_stn_le_p(void *ioaddr, int sz, uint64_t v)
+{
+ switch (sz) {
+ case 1:
+ host_pci_stb_p(ioaddr, v);
+ break;
+ case 2:
+ host_pci_stw_le_p(ioaddr, v);
+ break;
+ case 4:
+ host_pci_stl_le_p(ioaddr, v);
+ break;
+ case 8:
+ host_pci_stq_le_p(ioaddr, v);
+ break;
+ default:
+ g_assert_not_reached();
+ }
+}
+
+#endif
diff --git a/include/qemu/s390x_pci_mmio.h b/include/qemu/s390x_pci_mmio.h
new file mode 100644
index 0000000..c5f63ec
--- /dev/null
+++ b/include/qemu/s390x_pci_mmio.h
@@ -0,0 +1,24 @@
+/*
+ * s390x PCI MMIO definitions
+ *
+ * Copyright 2025 IBM Corp.
+ * Author(s): Farhan Ali <alifm@linux.ibm.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+#ifndef S390X_PCI_MMIO_H
+#define S390X_PCI_MMIO_H
+
+#ifdef __s390x__
+uint8_t s390x_pci_mmio_read_8(const void *ioaddr);
+uint16_t s390x_pci_mmio_read_16(const void *ioaddr);
+uint32_t s390x_pci_mmio_read_32(const void *ioaddr);
+uint64_t s390x_pci_mmio_read_64(const void *ioaddr);
+
+void s390x_pci_mmio_write_8(void *ioaddr, uint8_t val);
+void s390x_pci_mmio_write_16(void *ioaddr, uint16_t val);
+void s390x_pci_mmio_write_32(void *ioaddr, uint32_t val);
+void s390x_pci_mmio_write_64(void *ioaddr, uint64_t val);
+#endif /* __s390x__ */
+
+#endif /* S390X_PCI_MMIO_H */
diff --git a/include/system/hvf.h b/include/system/hvf.h
index 730f927..7b45a2e 100644
--- a/include/system/hvf.h
+++ b/include/system/hvf.h
@@ -14,19 +14,24 @@
#define HVF_H
#include "qemu/accel.h"
+#include "qemu/queue.h"
+#include "exec/vaddr.h"
#include "qom/object.h"
#ifdef COMPILING_PER_TARGET
-#include "cpu.h"
+# ifdef CONFIG_HVF
+# define CONFIG_HVF_IS_POSSIBLE
+# endif /* !CONFIG_HVF */
+#else
+# define CONFIG_HVF_IS_POSSIBLE
+#endif /* COMPILING_PER_TARGET */
-#ifdef CONFIG_HVF
+#ifdef CONFIG_HVF_IS_POSSIBLE
extern bool hvf_allowed;
#define hvf_enabled() (hvf_allowed)
-#else /* !CONFIG_HVF */
+#else /* !CONFIG_HVF_IS_POSSIBLE */
#define hvf_enabled() 0
-#endif /* !CONFIG_HVF */
-
-#endif /* COMPILING_PER_TARGET */
+#endif /* !CONFIG_HVF_IS_POSSIBLE */
#define TYPE_HVF_ACCEL ACCEL_CLASS_NAME("hvf")
diff --git a/include/system/hvf_int.h b/include/system/hvf_int.h
index 42ae184..8c8b840 100644
--- a/include/system/hvf_int.h
+++ b/include/system/hvf_int.h
@@ -11,6 +11,8 @@
#ifndef HVF_INT_H
#define HVF_INT_H
+#include "qemu/queue.h"
+
#ifdef __aarch64__
#include <Hypervisor/Hypervisor.h>
typedef hv_vcpu_t hvf_vcpuid;
diff --git a/include/ui/dmabuf.h b/include/ui/dmabuf.h
index dc74ba8..3decdca 100644
--- a/include/ui/dmabuf.h
+++ b/include/ui/dmabuf.h
@@ -10,24 +10,29 @@
#ifndef DMABUF_H
#define DMABUF_H
+#define DMABUF_MAX_PLANES 4
+
typedef struct QemuDmaBuf QemuDmaBuf;
QemuDmaBuf *qemu_dmabuf_new(uint32_t width, uint32_t height,
- uint32_t stride, uint32_t x,
- uint32_t y, uint32_t backing_width,
- uint32_t backing_height, uint32_t fourcc,
- uint64_t modifier, int dmabuf_fd,
+ const uint32_t *offset, const uint32_t *stride,
+ uint32_t x, uint32_t y,
+ uint32_t backing_width, uint32_t backing_height,
+ uint32_t fourcc, uint64_t modifier,
+ const int32_t *dmabuf_fd, uint32_t num_planes,
bool allow_fences, bool y0_top);
void qemu_dmabuf_free(QemuDmaBuf *dmabuf);
G_DEFINE_AUTOPTR_CLEANUP_FUNC(QemuDmaBuf, qemu_dmabuf_free);
-int qemu_dmabuf_get_fd(QemuDmaBuf *dmabuf);
-int qemu_dmabuf_dup_fd(QemuDmaBuf *dmabuf);
+const int *qemu_dmabuf_get_fds(QemuDmaBuf *dmabuf, int *nfds);
+void qemu_dmabuf_dup_fds(QemuDmaBuf *dmabuf, int *fds, int nfds);
void qemu_dmabuf_close(QemuDmaBuf *dmabuf);
uint32_t qemu_dmabuf_get_width(QemuDmaBuf *dmabuf);
uint32_t qemu_dmabuf_get_height(QemuDmaBuf *dmabuf);
-uint32_t qemu_dmabuf_get_stride(QemuDmaBuf *dmabuf);
+const uint32_t *qemu_dmabuf_get_offsets(QemuDmaBuf *dmabuf, int *noffsets);
+const uint32_t *qemu_dmabuf_get_strides(QemuDmaBuf *dmabuf, int *nstrides);
+uint32_t qemu_dmabuf_get_num_planes(QemuDmaBuf *dmabuf);
uint32_t qemu_dmabuf_get_fourcc(QemuDmaBuf *dmabuf);
uint64_t qemu_dmabuf_get_modifier(QemuDmaBuf *dmabuf);
uint32_t qemu_dmabuf_get_texture(QemuDmaBuf *dmabuf);
@@ -44,6 +49,5 @@ void qemu_dmabuf_set_texture(QemuDmaBuf *dmabuf, uint32_t texture);
void qemu_dmabuf_set_fence_fd(QemuDmaBuf *dmabuf, int32_t fence_fd);
void qemu_dmabuf_set_sync(QemuDmaBuf *dmabuf, void *sync);
void qemu_dmabuf_set_draw_submitted(QemuDmaBuf *dmabuf, bool draw_submitted);
-void qemu_dmabuf_set_fd(QemuDmaBuf *dmabuf, int32_t fd);
#endif
diff --git a/include/ui/egl-helpers.h b/include/ui/egl-helpers.h
index 4b8c0d2..fb80e15 100644
--- a/include/ui/egl-helpers.h
+++ b/include/ui/egl-helpers.h
@@ -46,8 +46,9 @@ extern int qemu_egl_rn_fd;
extern struct gbm_device *qemu_egl_rn_gbm_dev;
int egl_rendernode_init(const char *rendernode, DisplayGLMode mode);
-int egl_get_fd_for_texture(uint32_t tex_id, EGLint *stride, EGLint *fourcc,
- EGLuint64KHR *modifier);
+bool egl_dmabuf_export_texture(uint32_t tex_id, int *fd, EGLint *offset,
+ EGLint *stride, EGLint *fourcc, int *num_planes,
+ EGLuint64KHR *modifier);
void egl_dmabuf_import_texture(QemuDmaBuf *dmabuf);
void egl_dmabuf_release_texture(QemuDmaBuf *dmabuf);
diff --git a/meson.build b/meson.build
index 27f1150..e819a70 100644
--- a/meson.build
+++ b/meson.build
@@ -3191,6 +3191,11 @@ if host_os == 'windows'
}''', name: '_lock_file and _unlock_file'))
endif
+if spice.found()
+ config_host_data.set('HAVE_SPICE_QXL_GL_SCANOUT2',
+ cc.has_function('spice_qxl_gl_scanout2', dependencies: spice))
+endif
+
if host_os == 'windows'
mingw_has_setjmp_longjmp = cc.links('''
#include <setjmp.h>
diff --git a/qom/qom-qmp-cmds.c b/qom/qom-qmp-cmds.c
index e866547..293755f 100644
--- a/qom/qom-qmp-cmds.c
+++ b/qom/qom-qmp-cmds.c
@@ -28,15 +28,11 @@
#include "qom/object_interfaces.h"
#include "qom/qom-qobject.h"
-ObjectPropertyInfoList *qmp_qom_list(const char *path, Error **errp)
+static Object *qom_resolve_path(const char *path, Error **errp)
{
- Object *obj;
bool ambiguous = false;
- ObjectPropertyInfoList *props = NULL;
- ObjectProperty *prop;
- ObjectPropertyIterator iter;
+ Object *obj = object_resolve_path(path, &ambiguous);
- obj = object_resolve_path(path, &ambiguous);
if (obj == NULL) {
if (ambiguous) {
error_setg(errp, "Path '%s' is ambiguous", path);
@@ -44,6 +40,19 @@ ObjectPropertyInfoList *qmp_qom_list(const char *path, Error **errp)
error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND,
"Device '%s' not found", path);
}
+ }
+ return obj;
+}
+
+ObjectPropertyInfoList *qmp_qom_list(const char *path, Error **errp)
+{
+ Object *obj;
+ ObjectPropertyInfoList *props = NULL;
+ ObjectProperty *prop;
+ ObjectPropertyIterator iter;
+
+ obj = qom_resolve_path(path, errp);
+ if (obj == NULL) {
return NULL;
}
diff --git a/target/alpha/machine.c b/target/alpha/machine.c
index f09834f..5f302b1 100644
--- a/target/alpha/machine.c
+++ b/target/alpha/machine.c
@@ -74,7 +74,7 @@ static const VMStateDescription vmstate_env = {
};
static const VMStateField vmstate_cpu_fields[] = {
- VMSTATE_CPU(),
+ VMSTATE_STRUCT(parent_obj, AlphaCPU, 0, vmstate_cpu_common, CPUState),
VMSTATE_STRUCT(env, AlphaCPU, 1, vmstate_env, CPUAlphaState),
VMSTATE_END_OF_LIST()
};
diff --git a/target/hppa/machine.c b/target/hppa/machine.c
index bb47a2e..13e5551 100644
--- a/target/hppa/machine.c
+++ b/target/hppa/machine.c
@@ -216,7 +216,7 @@ static const VMStateDescription vmstate_env = {
};
static const VMStateField vmstate_cpu_fields[] = {
- VMSTATE_CPU(),
+ VMSTATE_STRUCT(parent_obj, HPPACPU, 0, vmstate_cpu_common, CPUState),
VMSTATE_STRUCT(env, HPPACPU, 1, vmstate_env, CPUHPPAState),
VMSTATE_END_OF_LIST()
};
diff --git a/target/microblaze/machine.c b/target/microblaze/machine.c
index 51705e4..a4cf38d 100644
--- a/target/microblaze/machine.c
+++ b/target/microblaze/machine.c
@@ -93,7 +93,7 @@ static const VMStateDescription vmstate_env = {
};
static const VMStateField vmstate_cpu_fields[] = {
- VMSTATE_CPU(),
+ VMSTATE_STRUCT(parent_obj, MicroBlazeCPU, 0, vmstate_cpu_common, CPUState),
VMSTATE_STRUCT(env, MicroBlazeCPU, 1, vmstate_env, CPUMBState),
VMSTATE_END_OF_LIST()
};
diff --git a/target/openrisc/machine.c b/target/openrisc/machine.c
index 3574e57..081c706 100644
--- a/target/openrisc/machine.c
+++ b/target/openrisc/machine.c
@@ -136,7 +136,7 @@ const VMStateDescription vmstate_openrisc_cpu = {
.minimum_version_id = 1,
.post_load = cpu_post_load,
.fields = (const VMStateField[]) {
- VMSTATE_CPU(),
+ VMSTATE_STRUCT(parent_obj, OpenRISCCPU, 0, vmstate_cpu_common, CPUState),
VMSTATE_STRUCT(env, OpenRISCCPU, 1, vmstate_env, CPUOpenRISCState),
VMSTATE_END_OF_LIST()
}
diff --git a/tests/qtest/q35-test.c b/tests/qtest/q35-test.c
index 75d4078..62fff49 100644
--- a/tests/qtest/q35-test.c
+++ b/tests/qtest/q35-test.c
@@ -246,41 +246,6 @@ static void test_smram_smbase_lock(void)
qtest_quit(qts);
}
-static void test_without_smram_base(void)
-{
- QPCIBus *pcibus;
- QPCIDevice *pcidev;
- QTestState *qts;
- int i;
-
- qts = qtest_init("-M pc-q35-4.1");
-
- pcibus = qpci_new_pc(qts, NULL);
- g_assert(pcibus != NULL);
-
- pcidev = qpci_device_find(pcibus, 0);
- g_assert(pcidev != NULL);
-
- /* check that RAM is accessible */
- qtest_writeb(qts, SMBASE, SMRAM_TEST_PATTERN);
- g_assert_cmpint(qtest_readb(qts, SMBASE), ==, SMRAM_TEST_PATTERN);
-
- /* check that writing to 0x9c succeeds */
- for (i = 0; i <= 0xff; i++) {
- qpci_config_writeb(pcidev, MCH_HOST_BRIDGE_F_SMBASE, i);
- g_assert(qpci_config_readb(pcidev, MCH_HOST_BRIDGE_F_SMBASE) == i);
- }
-
- /* check that RAM is still accessible */
- qtest_writeb(qts, SMBASE, SMRAM_TEST_PATTERN + 1);
- g_assert_cmpint(qtest_readb(qts, SMBASE), ==, (SMRAM_TEST_PATTERN + 1));
-
- g_free(pcidev);
- qpci_free_pc(pcibus);
-
- qtest_quit(qts);
-}
-
int main(int argc, char **argv)
{
g_test_init(&argc, &argv, NULL);
@@ -293,6 +258,6 @@ int main(int argc, char **argv)
qtest_add_data_func("/q35/tseg-size/ext/16mb", &tseg_ext_16mb,
test_tseg_size);
qtest_add_func("/q35/smram/smbase_lock", test_smram_smbase_lock);
- qtest_add_func("/q35/smram/legacy_smbase", test_without_smram_base);
+
return g_test_run();
}
diff --git a/ui/dbus-display1.xml b/ui/dbus-display1.xml
index 72deefa..4a41a7e 100644
--- a/ui/dbus-display1.xml
+++ b/ui/dbus-display1.xml
@@ -615,6 +615,51 @@
</interface>
<!--
+ org.qemu.Display1.Listener.Unix.ScanoutDMABUF2:
+
+ This optional client-side interface can complement
+ org.qemu.Display1.Listener on ``/org/qemu/Display1/Listener`` for
+ Unix-specific DMABUF scanout setup which support multi plane.
+ -->
+ <?if $(env.HOST_OS) != windows?>
+ <interface name="org.qemu.Display1.Listener.Unix.ScanoutDMABUF2">
+ <!--
+ ScanoutDMABUF2:
+ @dmabuf: DMABUF file descriptor of each plane.
+ @x: display x offset, in pixels
+ @y: display y offset, in pixels
+ @width: display width, in pixels.
+ @height: display height, in pixels.
+ @offset: offset of each plane, in bytes.
+ @stride: stride of each plane, in bytes.
+ @num_planes: plane number.
+ @fourcc: DMABUF fourcc.
+ @backing_width: backing framebuffer width, in pixels
+ @backing_height: backing framebuffer height, in pixels
+ @modifier: DMABUF modifier.
+ @y0_top: whether Y position 0 is the top or not.
+
+ Resize and update the display content with DMABUF.
+ -->
+ <method name="ScanoutDMABUF2">
+ <arg type="ah" name="dmabuf" direction="in"/>
+ <arg type="u" name="x" direction="in"/>
+ <arg type="u" name="y" direction="in"/>
+ <arg type="u" name="width" direction="in"/>
+ <arg type="u" name="height" direction="in"/>
+ <arg type="au" name="offset" direction="in"/>
+ <arg type="au" name="stride" direction="in"/>
+ <arg type="u" name="num_planes" direction="in"/>
+ <arg type="u" name="fourcc" direction="in"/>
+ <arg type="u" name="backing_width" direction="in"/>
+ <arg type="u" name="backing_height" direction="in"/>
+ <arg type="t" name="modifier" direction="in"/>
+ <arg type="b" name="y0_top" direction="in"/>
+ </method>
+ </interface>
+ <?endif?>
+
+ <!--
org.qemu.Display1.Clipboard:
This interface must be implemented by both the client and the server on
diff --git a/ui/dbus-listener.c b/ui/dbus-listener.c
index 51244c9..42875b8 100644
--- a/ui/dbus-listener.c
+++ b/ui/dbus-listener.c
@@ -85,6 +85,7 @@ struct _DBusDisplayListener {
#endif
#else /* !WIN32 */
QemuDBusDisplay1ListenerUnixMap *map_proxy;
+ QemuDBusDisplay1ListenerUnixScanoutDMABUF2 *scanout_dmabuf_v2_proxy;
#endif
guint dbus_filter;
@@ -288,10 +289,9 @@ static void dbus_call_update_gl(DisplayChangeListener *dcl,
}
#ifdef CONFIG_GBM
-static void dbus_scanout_dmabuf(DisplayChangeListener *dcl,
- QemuDmaBuf *dmabuf)
+static void dbus_scanout_dmabuf_v1(DBusDisplayListener *ddl,
+ QemuDmaBuf *dmabuf)
{
- DBusDisplayListener *ddl = container_of(dcl, DBusDisplayListener, dcl);
g_autoptr(GError) err = NULL;
g_autoptr(GUnixFDList) fd_list = NULL;
int fd;
@@ -299,7 +299,7 @@ static void dbus_scanout_dmabuf(DisplayChangeListener *dcl,
uint64_t modifier;
bool y0_top;
- fd = qemu_dmabuf_get_fd(dmabuf);
+ fd = qemu_dmabuf_get_fds(dmabuf, NULL)[0];
fd_list = g_unix_fd_list_new();
if (g_unix_fd_list_append(fd_list, fd, &err) != 0) {
error_report("Failed to setup dmabuf fdlist: %s", err->message);
@@ -310,7 +310,7 @@ static void dbus_scanout_dmabuf(DisplayChangeListener *dcl,
width = qemu_dmabuf_get_width(dmabuf);
height = qemu_dmabuf_get_height(dmabuf);
- stride = qemu_dmabuf_get_stride(dmabuf);
+ stride = qemu_dmabuf_get_strides(dmabuf, NULL)[0];
fourcc = qemu_dmabuf_get_fourcc(dmabuf);
modifier = qemu_dmabuf_get_modifier(dmabuf);
y0_top = qemu_dmabuf_get_y0_top(dmabuf);
@@ -322,6 +322,87 @@ static void dbus_scanout_dmabuf(DisplayChangeListener *dcl,
y0_top, G_DBUS_CALL_FLAGS_NONE,
-1, fd_list, NULL, NULL, NULL);
}
+
+static void dbus_scanout_dmabuf_v2(DBusDisplayListener *ddl,
+ QemuDmaBuf *dmabuf)
+{
+ g_autoptr(GError) err = NULL;
+ g_autoptr(GUnixFDList) fd_list = NULL;
+ int i, fd_index[DMABUF_MAX_PLANES], num_fds;
+ uint32_t x, y, width, height, fourcc, backing_width, backing_height;
+ GVariant *fd, *offset, *stride, *fd_handles[DMABUF_MAX_PLANES];
+ uint64_t modifier;
+ bool y0_top;
+ int nfds, noffsets, nstrides;
+ const int *fds = qemu_dmabuf_get_fds(dmabuf, &nfds);
+ const uint32_t *offsets = qemu_dmabuf_get_offsets(dmabuf, &noffsets);
+ const uint32_t *strides = qemu_dmabuf_get_strides(dmabuf, &nstrides);
+ uint32_t num_planes = qemu_dmabuf_get_num_planes(dmabuf);
+
+ assert(nfds >= num_planes);
+ assert(noffsets >= num_planes);
+ assert(nstrides >= num_planes);
+
+ fd_list = g_unix_fd_list_new();
+
+ for (num_fds = 0; num_fds < num_planes; num_fds++) {
+ int plane_fd = fds[num_fds];
+
+ if (plane_fd < 0) {
+ break;
+ }
+
+ fd_index[num_fds] = g_unix_fd_list_append(fd_list, plane_fd, &err);
+ if (fd_index[num_fds] < 0) {
+ error_report("Failed to setup dmabuf fdlist: %s", err->message);
+ return;
+ }
+ }
+
+ ddl_discard_display_messages(ddl);
+
+ x = qemu_dmabuf_get_x(dmabuf);
+ y = qemu_dmabuf_get_y(dmabuf);
+ width = qemu_dmabuf_get_width(dmabuf);
+ height = qemu_dmabuf_get_height(dmabuf);
+ fourcc = qemu_dmabuf_get_fourcc(dmabuf);
+ backing_width = qemu_dmabuf_get_backing_width(dmabuf);
+ backing_height = qemu_dmabuf_get_backing_height(dmabuf);
+ modifier = qemu_dmabuf_get_modifier(dmabuf);
+ y0_top = qemu_dmabuf_get_y0_top(dmabuf);
+
+ offset = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
+ offsets, num_planes, sizeof(uint32_t));
+ stride = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
+ strides, num_planes, sizeof(uint32_t));
+
+ for (i = 0; i < num_fds; i++) {
+ fd_handles[i] = g_variant_new_handle(fd_index[i]);
+ }
+ fd = g_variant_new_array(G_VARIANT_TYPE_HANDLE, fd_handles, num_fds);
+
+ qemu_dbus_display1_listener_unix_scanout_dmabuf2_call_scanout_dmabuf2(
+ ddl->scanout_dmabuf_v2_proxy, fd, x, y, width, height, offset, stride,
+ num_planes, fourcc, backing_width, backing_height, modifier, y0_top,
+ G_DBUS_CALL_FLAGS_NONE, -1, fd_list, NULL, NULL, NULL);
+}
+
+static void dbus_scanout_dmabuf(DisplayChangeListener *dcl,
+ QemuDmaBuf *dmabuf)
+{
+ DBusDisplayListener *ddl = container_of(dcl, DBusDisplayListener, dcl);
+
+ if (ddl->scanout_dmabuf_v2_proxy) {
+ dbus_scanout_dmabuf_v2(ddl, dmabuf);
+ } else {
+ if (qemu_dmabuf_get_num_planes(dmabuf) > 1) {
+ g_debug("org.qemu.Display1.Listener.ScanoutDMABUF "
+ "does not support mutli plane");
+ return;
+ }
+ dbus_scanout_dmabuf_v1(ddl, dmabuf);
+ }
+}
#endif /* GBM */
#endif /* OPENGL */
@@ -504,19 +585,18 @@ static void dbus_scanout_texture(DisplayChangeListener *dcl,
backing_width, backing_height, x, y, w, h);
#ifdef CONFIG_GBM
g_autoptr(QemuDmaBuf) dmabuf = NULL;
- int fd;
- uint32_t stride, fourcc;
+ int fd[DMABUF_MAX_PLANES], num_planes;
+ uint32_t offset[DMABUF_MAX_PLANES], stride[DMABUF_MAX_PLANES], fourcc;
uint64_t modifier;
assert(tex_id);
- fd = egl_get_fd_for_texture(tex_id, (EGLint *)&stride, (EGLint *)&fourcc,
- &modifier);
- if (fd < 0) {
- error_report("%s: failed to get fd for texture", __func__);
+ if (!egl_dmabuf_export_texture(tex_id, fd, (EGLint *)offset, (EGLint *)stride,
+ (EGLint *)&fourcc, &num_planes, &modifier)) {
+ error_report("%s: failed to export dmabuf for texture", __func__);
return;
}
- dmabuf = qemu_dmabuf_new(w, h, stride, x, y, backing_width,
- backing_height, fourcc, modifier, fd,
+ dmabuf = qemu_dmabuf_new(w, h, offset, stride, x, y, backing_width,
+ backing_height, fourcc, modifier, fd, num_planes,
false, backing_y_0_top);
dbus_scanout_dmabuf(dcl, dmabuf);
@@ -883,6 +963,8 @@ dbus_display_listener_dispose(GObject *object)
#ifdef CONFIG_OPENGL
egl_fb_destroy(&ddl->fb);
#endif
+#else /* !WIN32 */
+ g_clear_object(&ddl->scanout_dmabuf_v2_proxy);
#endif
G_OBJECT_CLASS(dbus_display_listener_parent_class)->dispose(object);
@@ -1071,6 +1153,26 @@ dbus_display_listener_setup_shared_map(DBusDisplayListener *ddl)
#endif
}
+static void dbus_display_listener_setup_scanout_dmabuf_v2(DBusDisplayListener *ddl)
+{
+#ifndef WIN32
+ g_autoptr(GError) err = NULL;
+
+ if (!dbus_display_listener_implements(
+ ddl, "org.qemu.Display1.Listener.Unix.ScanoutDMABUF2")) {
+ return;
+ }
+ ddl->scanout_dmabuf_v2_proxy =
+ qemu_dbus_display1_listener_unix_scanout_dmabuf2_proxy_new_sync(
+ ddl->conn, G_DBUS_PROXY_FLAGS_DO_NOT_AUTO_START, NULL,
+ "/org/qemu/Display1/Listener", NULL, &err);
+ if (!ddl->scanout_dmabuf_v2_proxy) {
+ g_debug("Failed to setup Unix scanout dmabuf v2 proxy: %s", err->message);
+ return;
+ }
+#endif
+}
+
static GDBusMessage *
dbus_filter(GDBusConnection *connection,
GDBusMessage *message,
@@ -1159,6 +1261,7 @@ dbus_display_listener_new(const char *bus_name,
dbus_display_listener_setup_shared_map(ddl);
trace_dbus_can_share_map(ddl->can_share_map);
dbus_display_listener_setup_d3d11(ddl);
+ dbus_display_listener_setup_scanout_dmabuf_v2(ddl);
con = qemu_console_lookup_by_index(dbus_display_console_get_index(console));
assert(con);
diff --git a/ui/dmabuf.c b/ui/dmabuf.c
index df7a097..7433a26 100644
--- a/ui/dmabuf.c
+++ b/ui/dmabuf.c
@@ -11,10 +11,12 @@
#include "ui/dmabuf.h"
struct QemuDmaBuf {
- int fd;
+ int fd[DMABUF_MAX_PLANES];
uint32_t width;
uint32_t height;
- uint32_t stride;
+ uint32_t offset[DMABUF_MAX_PLANES];
+ uint32_t stride[DMABUF_MAX_PLANES];
+ uint32_t num_planes;
uint32_t fourcc;
uint64_t modifier;
uint32_t texture;
@@ -30,28 +32,33 @@ struct QemuDmaBuf {
};
QemuDmaBuf *qemu_dmabuf_new(uint32_t width, uint32_t height,
- uint32_t stride, uint32_t x,
- uint32_t y, uint32_t backing_width,
- uint32_t backing_height, uint32_t fourcc,
- uint64_t modifier, int32_t dmabuf_fd,
+ const uint32_t *offset, const uint32_t *stride,
+ uint32_t x, uint32_t y,
+ uint32_t backing_width, uint32_t backing_height,
+ uint32_t fourcc, uint64_t modifier,
+ const int32_t *dmabuf_fd, uint32_t num_planes,
bool allow_fences, bool y0_top) {
QemuDmaBuf *dmabuf;
+ assert(num_planes > 0 && num_planes <= DMABUF_MAX_PLANES);
+
dmabuf = g_new0(QemuDmaBuf, 1);
dmabuf->width = width;
dmabuf->height = height;
- dmabuf->stride = stride;
+ memcpy(dmabuf->offset, offset, num_planes * sizeof(*offset));
+ memcpy(dmabuf->stride, stride, num_planes * sizeof(*stride));
dmabuf->x = x;
dmabuf->y = y;
dmabuf->backing_width = backing_width;
dmabuf->backing_height = backing_height;
dmabuf->fourcc = fourcc;
dmabuf->modifier = modifier;
- dmabuf->fd = dmabuf_fd;
+ memcpy(dmabuf->fd, dmabuf_fd, num_planes * sizeof(*dmabuf_fd));
dmabuf->allow_fences = allow_fences;
dmabuf->y0_top = y0_top;
dmabuf->fence_fd = -1;
+ dmabuf->num_planes = num_planes;
return dmabuf;
}
@@ -65,31 +72,40 @@ void qemu_dmabuf_free(QemuDmaBuf *dmabuf)
g_free(dmabuf);
}
-int qemu_dmabuf_get_fd(QemuDmaBuf *dmabuf)
+const int *qemu_dmabuf_get_fds(QemuDmaBuf *dmabuf, int *nfds)
{
assert(dmabuf != NULL);
+ if (nfds) {
+ *nfds = ARRAY_SIZE(dmabuf->fd);
+ }
+
return dmabuf->fd;
}
-int qemu_dmabuf_dup_fd(QemuDmaBuf *dmabuf)
+void qemu_dmabuf_dup_fds(QemuDmaBuf *dmabuf, int *fds, int nfds)
{
+ int i;
+
assert(dmabuf != NULL);
+ assert(nfds >= dmabuf->num_planes);
- if (dmabuf->fd >= 0) {
- return dup(dmabuf->fd);
- } else {
- return -1;
+ for (i = 0; i < dmabuf->num_planes; i++) {
+ fds[i] = dmabuf->fd[i] >= 0 ? dup(dmabuf->fd[i]) : -1;
}
}
void qemu_dmabuf_close(QemuDmaBuf *dmabuf)
{
+ int i;
+
assert(dmabuf != NULL);
- if (dmabuf->fd >= 0) {
- close(dmabuf->fd);
- dmabuf->fd = -1;
+ for (i = 0; i < dmabuf->num_planes; i++) {
+ if (dmabuf->fd[i] >= 0) {
+ close(dmabuf->fd[i]);
+ dmabuf->fd[i] = -1;
+ }
}
}
@@ -107,13 +123,35 @@ uint32_t qemu_dmabuf_get_height(QemuDmaBuf *dmabuf)
return dmabuf->height;
}
-uint32_t qemu_dmabuf_get_stride(QemuDmaBuf *dmabuf)
+const uint32_t *qemu_dmabuf_get_offsets(QemuDmaBuf *dmabuf, int *noffsets)
+{
+ assert(dmabuf != NULL);
+
+ if (noffsets) {
+ *noffsets = ARRAY_SIZE(dmabuf->offset);
+ }
+
+ return dmabuf->offset;
+}
+
+const uint32_t *qemu_dmabuf_get_strides(QemuDmaBuf *dmabuf, int *nstrides)
{
assert(dmabuf != NULL);
+ if (nstrides) {
+ *nstrides = ARRAY_SIZE(dmabuf->stride);
+ }
+
return dmabuf->stride;
}
+uint32_t qemu_dmabuf_get_num_planes(QemuDmaBuf *dmabuf)
+{
+ assert(dmabuf != NULL);
+
+ return dmabuf->num_planes;
+}
+
uint32_t qemu_dmabuf_get_fourcc(QemuDmaBuf *dmabuf)
{
assert(dmabuf != NULL);
@@ -221,9 +259,3 @@ void qemu_dmabuf_set_draw_submitted(QemuDmaBuf *dmabuf, bool draw_submitted)
assert(dmabuf != NULL);
dmabuf->draw_submitted = draw_submitted;
}
-
-void qemu_dmabuf_set_fd(QemuDmaBuf *dmabuf, int32_t fd)
-{
- assert(dmabuf != NULL);
- dmabuf->fd = fd;
-}
diff --git a/ui/egl-helpers.c b/ui/egl-helpers.c
index d591159..9cda2bb 100644
--- a/ui/egl-helpers.c
+++ b/ui/egl-helpers.c
@@ -23,6 +23,7 @@
#include "system/system.h"
#include "qapi/error.h"
#include "trace.h"
+#include "standard-headers/drm/drm_fourcc.h"
EGLDisplay *qemu_egl_display;
EGLConfig qemu_egl_config;
@@ -257,6 +258,11 @@ int egl_rendernode_init(const char *rendernode, DisplayGLMode mode)
error_report("egl: EGL_MESA_image_dma_buf_export not supported");
goto err;
}
+ if (!epoxy_has_egl_extension(qemu_egl_display,
+ "EGL_EXT_image_dma_buf_import_modifiers")) {
+ error_report("egl: EGL_EXT_image_dma_buf_import_modifiers not supported");
+ goto err;
+ }
qemu_egl_rn_ctx = qemu_egl_init_ctx();
if (!qemu_egl_rn_ctx) {
@@ -277,44 +283,86 @@ err:
return -1;
}
-int egl_get_fd_for_texture(uint32_t tex_id, EGLint *stride, EGLint *fourcc,
- EGLuint64KHR *modifier)
+bool egl_dmabuf_export_texture(uint32_t tex_id, int *fd, EGLint *offset,
+ EGLint *stride, EGLint *fourcc, int *num_planes,
+ EGLuint64KHR *modifier)
{
EGLImageKHR image;
- EGLint num_planes, fd;
+ EGLuint64KHR modifiers[DMABUF_MAX_PLANES];
image = eglCreateImageKHR(qemu_egl_display, eglGetCurrentContext(),
EGL_GL_TEXTURE_2D_KHR,
(EGLClientBuffer)(unsigned long)tex_id,
NULL);
if (!image) {
- return -1;
+ return false;
}
eglExportDMABUFImageQueryMESA(qemu_egl_display, image, fourcc,
- &num_planes, modifier);
- if (num_planes != 1) {
- eglDestroyImageKHR(qemu_egl_display, image);
- return -1;
- }
- eglExportDMABUFImageMESA(qemu_egl_display, image, &fd, stride, NULL);
+ num_planes, modifiers);
+ eglExportDMABUFImageMESA(qemu_egl_display, image, fd, stride, offset);
eglDestroyImageKHR(qemu_egl_display, image);
- return fd;
+ /* Only first modifier matters. */
+ if (modifier) {
+ *modifier = modifiers[0];
+ }
+
+ return true;
}
void egl_dmabuf_import_texture(QemuDmaBuf *dmabuf)
{
EGLImageKHR image = EGL_NO_IMAGE_KHR;
EGLint attrs[64];
- int i = 0;
- uint64_t modifier;
+ int i = 0, j;
+ uint64_t modifier = qemu_dmabuf_get_modifier(dmabuf);
uint32_t texture = qemu_dmabuf_get_texture(dmabuf);
+ int nfds, noffsets, nstrides;
+ const int *fds = qemu_dmabuf_get_fds(dmabuf, &nfds);
+ const uint32_t *offsets = qemu_dmabuf_get_offsets(dmabuf, &noffsets);
+ const uint32_t *strides = qemu_dmabuf_get_strides(dmabuf, &nstrides);
+ uint32_t num_planes = qemu_dmabuf_get_num_planes(dmabuf);
+
+ EGLint fd_attrs[] = {
+ EGL_DMA_BUF_PLANE0_FD_EXT,
+ EGL_DMA_BUF_PLANE1_FD_EXT,
+ EGL_DMA_BUF_PLANE2_FD_EXT,
+ EGL_DMA_BUF_PLANE3_FD_EXT,
+ };
+ EGLint offset_attrs[] = {
+ EGL_DMA_BUF_PLANE0_OFFSET_EXT,
+ EGL_DMA_BUF_PLANE1_OFFSET_EXT,
+ EGL_DMA_BUF_PLANE2_OFFSET_EXT,
+ EGL_DMA_BUF_PLANE3_OFFSET_EXT,
+ };
+ EGLint stride_attrs[] = {
+ EGL_DMA_BUF_PLANE0_PITCH_EXT,
+ EGL_DMA_BUF_PLANE1_PITCH_EXT,
+ EGL_DMA_BUF_PLANE2_PITCH_EXT,
+ EGL_DMA_BUF_PLANE3_PITCH_EXT,
+ };
+ EGLint modifier_lo_attrs[] = {
+ EGL_DMA_BUF_PLANE0_MODIFIER_LO_EXT,
+ EGL_DMA_BUF_PLANE1_MODIFIER_LO_EXT,
+ EGL_DMA_BUF_PLANE2_MODIFIER_LO_EXT,
+ EGL_DMA_BUF_PLANE3_MODIFIER_LO_EXT,
+ };
+ EGLint modifier_hi_attrs[] = {
+ EGL_DMA_BUF_PLANE0_MODIFIER_HI_EXT,
+ EGL_DMA_BUF_PLANE1_MODIFIER_HI_EXT,
+ EGL_DMA_BUF_PLANE2_MODIFIER_HI_EXT,
+ EGL_DMA_BUF_PLANE3_MODIFIER_HI_EXT,
+ };
if (texture != 0) {
return;
}
+ assert(nfds >= num_planes);
+ assert(noffsets >= num_planes);
+ assert(nstrides >= num_planes);
+
attrs[i++] = EGL_WIDTH;
attrs[i++] = qemu_dmabuf_get_backing_width(dmabuf);
attrs[i++] = EGL_HEIGHT;
@@ -322,21 +370,22 @@ void egl_dmabuf_import_texture(QemuDmaBuf *dmabuf)
attrs[i++] = EGL_LINUX_DRM_FOURCC_EXT;
attrs[i++] = qemu_dmabuf_get_fourcc(dmabuf);
- attrs[i++] = EGL_DMA_BUF_PLANE0_FD_EXT;
- attrs[i++] = qemu_dmabuf_get_fd(dmabuf);
- attrs[i++] = EGL_DMA_BUF_PLANE0_PITCH_EXT;
- attrs[i++] = qemu_dmabuf_get_stride(dmabuf);
- attrs[i++] = EGL_DMA_BUF_PLANE0_OFFSET_EXT;
- attrs[i++] = 0;
-#ifdef EGL_DMA_BUF_PLANE0_MODIFIER_LO_EXT
- modifier = qemu_dmabuf_get_modifier(dmabuf);
- if (modifier) {
- attrs[i++] = EGL_DMA_BUF_PLANE0_MODIFIER_LO_EXT;
- attrs[i++] = (modifier >> 0) & 0xffffffff;
- attrs[i++] = EGL_DMA_BUF_PLANE0_MODIFIER_HI_EXT;
- attrs[i++] = (modifier >> 32) & 0xffffffff;
+ for (j = 0; j < num_planes; j++) {
+ attrs[i++] = fd_attrs[j];
+ /* fd[1-3] may be -1 if using a joint buffer for all planes */
+ attrs[i++] = fds[j] >= 0 ? fds[j] : fds[0];
+ attrs[i++] = stride_attrs[j];
+ attrs[i++] = strides[j];
+ attrs[i++] = offset_attrs[j];
+ attrs[i++] = offsets[j];
+ if (modifier != DRM_FORMAT_MOD_INVALID) {
+ attrs[i++] = modifier_lo_attrs[j];
+ attrs[i++] = (modifier >> 0) & 0xffffffff;
+ attrs[i++] = modifier_hi_attrs[j];
+ attrs[i++] = (modifier >> 32) & 0xffffffff;
+ }
}
-#endif
+
attrs[i++] = EGL_NONE;
image = eglCreateImageKHR(qemu_egl_display,
diff --git a/ui/spice-display.c b/ui/spice-display.c
index c794ae0..9c39d2c 100644
--- a/ui/spice-display.c
+++ b/ui/spice-display.c
@@ -28,6 +28,8 @@
#include "ui/spice-display.h"
+#include "standard-headers/drm/drm_fourcc.h"
+
bool spice_opengl;
int qemu_spice_rect_is_empty(const QXLRect* r)
@@ -872,23 +874,48 @@ static void spice_gl_update(DisplayChangeListener *dcl,
ssd->gl_updates++;
}
+static void spice_server_gl_scanout(QXLInstance *qxl,
+ const int *fd,
+ uint32_t width, uint32_t height,
+ const uint32_t *offset,
+ const uint32_t *stride,
+ uint32_t num_planes, uint32_t format,
+ uint64_t modifier, int y_0_top)
+{
+#ifdef HAVE_SPICE_QXL_GL_SCANOUT2
+ spice_qxl_gl_scanout2(qxl, fd, width, height, offset, stride,
+ num_planes, format, modifier, y_0_top);
+#else
+ if (num_planes <= 1) {
+ spice_qxl_gl_scanout(qxl, fd[0], width, height, stride[0], format, y_0_top);
+ } else {
+ error_report("SPICE server does not support multi plane GL scanout");
+ }
+#endif
+}
+
static void spice_gl_switch(DisplayChangeListener *dcl,
struct DisplaySurface *new_surface)
{
SimpleSpiceDisplay *ssd = container_of(dcl, SimpleSpiceDisplay, dcl);
- EGLint stride, fourcc;
- int fd;
if (ssd->ds) {
surface_gl_destroy_texture(ssd->gls, ssd->ds);
}
ssd->ds = new_surface;
if (ssd->ds) {
+ uint32_t offset[DMABUF_MAX_PLANES], stride[DMABUF_MAX_PLANES];
+ int fd[DMABUF_MAX_PLANES], num_planes, fourcc;
+ uint64_t modifier;
+
surface_gl_create_texture(ssd->gls, ssd->ds);
- fd = egl_get_fd_for_texture(ssd->ds->texture,
- &stride, &fourcc,
- NULL);
- if (fd < 0) {
+ if (!egl_dmabuf_export_texture(ssd->ds->texture,
+ fd,
+ (EGLint *)offset,
+ (EGLint *)stride,
+ &fourcc,
+ &num_planes,
+ &modifier)) {
surface_gl_destroy_texture(ssd->gls, ssd->ds);
return;
}
@@ -899,10 +926,11 @@ static void spice_gl_switch(DisplayChangeListener *dcl,
fourcc);
/* note: spice server will close the fd */
- spice_qxl_gl_scanout(&ssd->qxl, fd,
- surface_width(ssd->ds),
- surface_height(ssd->ds),
- stride, fourcc, false);
+ spice_server_gl_scanout(&ssd->qxl, fd,
+ surface_width(ssd->ds),
+ surface_height(ssd->ds),
+ offset, stride, num_planes,
+ fourcc, modifier, false);
ssd->have_surface = true;
ssd->have_scanout = false;
@@ -925,7 +953,8 @@ static void qemu_spice_gl_scanout_disable(DisplayChangeListener *dcl)
SimpleSpiceDisplay *ssd = container_of(dcl, SimpleSpiceDisplay, dcl);
trace_qemu_spice_gl_scanout_disable(ssd->qxl.id);
- spice_qxl_gl_scanout(&ssd->qxl, -1, 0, 0, 0, 0, false);
+ spice_server_gl_scanout(&ssd->qxl, NULL, 0, 0, NULL, NULL, 0, DRM_FORMAT_INVALID,
+ DRM_FORMAT_MOD_INVALID, false);
qemu_spice_gl_monitor_config(ssd, 0, 0, 0, 0);
ssd->have_surface = false;
ssd->have_scanout = false;
@@ -941,20 +970,23 @@ static void qemu_spice_gl_scanout_texture(DisplayChangeListener *dcl,
void *d3d_tex2d)
{
SimpleSpiceDisplay *ssd = container_of(dcl, SimpleSpiceDisplay, dcl);
- EGLint stride = 0, fourcc = 0;
- int fd = -1;
+ EGLint offset[DMABUF_MAX_PLANES], stride[DMABUF_MAX_PLANES], fourcc = 0;
+ int fd[DMABUF_MAX_PLANES], num_planes;
+ uint64_t modifier;
assert(tex_id);
- fd = egl_get_fd_for_texture(tex_id, &stride, &fourcc, NULL);
- if (fd < 0) {
- fprintf(stderr, "%s: failed to get fd for texture\n", __func__);
+ if (!egl_dmabuf_export_texture(tex_id, fd, offset, stride, &fourcc,
+ &num_planes, &modifier)) {
+ fprintf(stderr, "%s: failed to export dmabuf for texture\n", __func__);
return;
}
+
trace_qemu_spice_gl_scanout_texture(ssd->qxl.id, w, h, fourcc);
/* note: spice server will close the fd */
- spice_qxl_gl_scanout(&ssd->qxl, fd, backing_width, backing_height,
- stride, fourcc, y_0_top);
+ spice_server_gl_scanout(&ssd->qxl, fd, backing_width, backing_height,
+ (uint32_t *)offset, (uint32_t *)stride, num_planes,
+ fourcc, modifier, y_0_top);
qemu_spice_gl_monitor_config(ssd, x, y, w, h);
ssd->have_surface = false;
ssd->have_scanout = true;
@@ -1025,11 +1057,10 @@ static void qemu_spice_gl_update(DisplayChangeListener *dcl,
uint32_t x, uint32_t y, uint32_t w, uint32_t h)
{
SimpleSpiceDisplay *ssd = container_of(dcl, SimpleSpiceDisplay, dcl);
- EGLint stride = 0, fourcc = 0;
+ EGLint fourcc = 0;
bool render_cursor = false;
bool y_0_top = false; /* FIXME */
uint64_t cookie;
- int fd;
uint32_t width, height, texture;
if (!ssd->have_scanout) {
@@ -1064,26 +1095,47 @@ static void qemu_spice_gl_update(DisplayChangeListener *dcl,
/* dest framebuffer */
if (ssd->blit_fb.width != width ||
ssd->blit_fb.height != height) {
+ int fds[DMABUF_MAX_PLANES], num_planes;
+ uint32_t offsets[DMABUF_MAX_PLANES], strides[DMABUF_MAX_PLANES];
+ uint64_t modifier;
+
trace_qemu_spice_gl_render_dmabuf(ssd->qxl.id, width,
height);
egl_fb_destroy(&ssd->blit_fb);
egl_fb_setup_new_tex(&ssd->blit_fb,
width, height);
- fd = egl_get_fd_for_texture(ssd->blit_fb.texture,
- &stride, &fourcc, NULL);
- spice_qxl_gl_scanout(&ssd->qxl, fd, width, height,
- stride, fourcc, false);
+ if (!egl_dmabuf_export_texture(ssd->blit_fb.texture, fds,
+ (EGLint *)offsets, (EGLint *)strides,
+ &fourcc, &num_planes, &modifier)) {
+ fprintf(stderr,
+ "%s: failed to export dmabuf for texture\n", __func__);
+ return;
+ }
+
+ spice_server_gl_scanout(&ssd->qxl, fds, width, height, offsets, strides,
+ num_planes, fourcc, modifier, false);
}
} else {
- stride = qemu_dmabuf_get_stride(dmabuf);
+ int fds[DMABUF_MAX_PLANES];
+ int noffsets, nstrides;
+ const uint32_t *offsets = qemu_dmabuf_get_offsets(dmabuf, &noffsets);
+ const uint32_t *strides = qemu_dmabuf_get_strides(dmabuf, &nstrides);
+ uint32_t num_planes = qemu_dmabuf_get_num_planes(dmabuf);
+
+ assert(noffsets >= num_planes);
+ assert(nstrides >= num_planes);
+
fourcc = qemu_dmabuf_get_fourcc(dmabuf);
y_0_top = qemu_dmabuf_get_y0_top(dmabuf);
- fd = qemu_dmabuf_dup_fd(dmabuf);
+ qemu_dmabuf_dup_fds(dmabuf, fds, DMABUF_MAX_PLANES);
trace_qemu_spice_gl_forward_dmabuf(ssd->qxl.id, width, height);
/* note: spice server will close the fd, so hand over a dup */
- spice_qxl_gl_scanout(&ssd->qxl, fd, width, height,
- stride, fourcc, y_0_top);
+ spice_server_gl_scanout(&ssd->qxl, fds, width, height,
+ offsets, strides, num_planes,
+ fourcc,
+ qemu_dmabuf_get_modifier(dmabuf),
+ y_0_top);
}
qemu_spice_gl_monitor_config(ssd, 0, 0, width, height);
ssd->guest_dmabuf_refresh = false;
diff --git a/util/meson.build b/util/meson.build
index e5cd327..1adff96 100644
--- a/util/meson.build
+++ b/util/meson.build
@@ -133,4 +133,6 @@ elif cpu in ['ppc', 'ppc64']
util_ss.add(files('cpuinfo-ppc.c'))
elif cpu in ['riscv32', 'riscv64']
util_ss.add(files('cpuinfo-riscv.c'))
+elif cpu == 's390x'
+ util_ss.add(files('s390x_pci_mmio.c'))
endif
diff --git a/util/s390x_pci_mmio.c b/util/s390x_pci_mmio.c
new file mode 100644
index 0000000..5ab24fa
--- /dev/null
+++ b/util/s390x_pci_mmio.c
@@ -0,0 +1,146 @@
+/*
+ * s390x PCI MMIO definitions
+ *
+ * Copyright 2025 IBM Corp.
+ * Author(s): Farhan Ali <alifm@linux.ibm.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#include "qemu/osdep.h"
+#include <sys/syscall.h>
+#include "qemu/s390x_pci_mmio.h"
+#include "elf.h"
+
+union register_pair {
+ unsigned __int128 pair;
+ struct {
+ uint64_t even;
+ uint64_t odd;
+ };
+};
+
+static bool is_mio_supported;
+
+static __attribute__((constructor)) void check_is_mio_supported(void)
+{
+ is_mio_supported = !!(qemu_getauxval(AT_HWCAP) & HWCAP_S390_PCI_MIO);
+}
+
+static uint64_t s390x_pcilgi(const void *ioaddr, size_t len)
+{
+ union register_pair ioaddr_len = { .even = (uint64_t)ioaddr,
+ .odd = len };
+ uint64_t val;
+ int cc;
+
+ asm volatile(
+ /* pcilgi */
+ ".insn rre,0xb9d60000,%[val],%[ioaddr_len]\n"
+ "ipm %[cc]\n"
+ "srl %[cc],28\n"
+ : [cc] "=d"(cc), [val] "=d"(val),
+ [ioaddr_len] "+d"(ioaddr_len.pair) :: "cc");
+
+ if (cc) {
+ val = -1ULL;
+ }
+
+ return val;
+}
+
+static void s390x_pcistgi(void *ioaddr, uint64_t val, size_t len)
+{
+ union register_pair ioaddr_len = {.even = (uint64_t)ioaddr, .odd = len};
+
+ asm volatile (
+ /* pcistgi */
+ ".insn rre,0xb9d40000,%[val],%[ioaddr_len]\n"
+ : [ioaddr_len] "+d" (ioaddr_len.pair)
+ : [val] "d" (val)
+ : "cc", "memory");
+}
+
+uint8_t s390x_pci_mmio_read_8(const void *ioaddr)
+{
+ uint8_t val = 0;
+
+ if (is_mio_supported) {
+ val = s390x_pcilgi(ioaddr, sizeof(val));
+ } else {
+ syscall(__NR_s390_pci_mmio_read, ioaddr, &val, sizeof(val));
+ }
+ return val;
+}
+
+uint16_t s390x_pci_mmio_read_16(const void *ioaddr)
+{
+ uint16_t val = 0;
+
+ if (is_mio_supported) {
+ val = s390x_pcilgi(ioaddr, sizeof(val));
+ } else {
+ syscall(__NR_s390_pci_mmio_read, ioaddr, &val, sizeof(val));
+ }
+ return val;
+}
+
+uint32_t s390x_pci_mmio_read_32(const void *ioaddr)
+{
+ uint32_t val = 0;
+
+ if (is_mio_supported) {
+ val = s390x_pcilgi(ioaddr, sizeof(val));
+ } else {
+ syscall(__NR_s390_pci_mmio_read, ioaddr, &val, sizeof(val));
+ }
+ return val;
+}
+
+uint64_t s390x_pci_mmio_read_64(const void *ioaddr)
+{
+ uint64_t val = 0;
+
+ if (is_mio_supported) {
+ val = s390x_pcilgi(ioaddr, sizeof(val));
+ } else {
+ syscall(__NR_s390_pci_mmio_read, ioaddr, &val, sizeof(val));
+ }
+ return val;
+}
+
+void s390x_pci_mmio_write_8(void *ioaddr, uint8_t val)
+{
+ if (is_mio_supported) {
+ s390x_pcistgi(ioaddr, val, sizeof(val));
+ } else {
+ syscall(__NR_s390_pci_mmio_write, ioaddr, &val, sizeof(val));
+ }
+}
+
+void s390x_pci_mmio_write_16(void *ioaddr, uint16_t val)
+{
+ if (is_mio_supported) {
+ s390x_pcistgi(ioaddr, val, sizeof(val));
+ } else {
+ syscall(__NR_s390_pci_mmio_write, ioaddr, &val, sizeof(val));
+ }
+}
+
+void s390x_pci_mmio_write_32(void *ioaddr, uint32_t val)
+{
+ if (is_mio_supported) {
+ s390x_pcistgi(ioaddr, val, sizeof(val));
+ } else {
+ syscall(__NR_s390_pci_mmio_write, ioaddr, &val, sizeof(val));
+ }
+}
+
+void s390x_pci_mmio_write_64(void *ioaddr, uint64_t val)
+{
+ if (is_mio_supported) {
+ s390x_pcistgi(ioaddr, val, sizeof(val));
+ } else {
+ syscall(__NR_s390_pci_mmio_write, ioaddr, &val, sizeof(val));
+ }
+}