aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
Diffstat
-rw-r--r--hw/display/vga-pci.c9
-rw-r--r--hw/ppc/spapr.c7
-rw-r--r--hw/vfio/Makefile.objs2
-rw-r--r--hw/vfio/common.c77
-rw-r--r--hw/vfio/display.c347
-rw-r--r--hw/vfio/pci.c32
-rw-r--r--hw/vfio/pci.h5
-rw-r--r--include/hw/vfio/vfio-common.h23
-rw-r--r--include/standard-headers/drm/drm_fourcc.h411
-rw-r--r--include/ui/console.h2
-rw-r--r--include/ui/qemu-pixman.h5
-rwxr-xr-xscripts/update-linux-headers.sh5
-rw-r--r--ui/console.c79
-rw-r--r--ui/qemu-pixman.c22
-rw-r--r--ui/trace-events2
15 files changed, 1015 insertions, 13 deletions
diff --git a/hw/display/vga-pci.c b/hw/display/vga-pci.c
index 1674bd3..f312930 100644
--- a/hw/display/vga-pci.c
+++ b/hw/display/vga-pci.c
@@ -292,6 +292,14 @@ static void pci_secondary_vga_realize(PCIDevice *dev, Error **errp)
pci_register_bar(&d->dev, 2, PCI_BASE_ADDRESS_SPACE_MEMORY, &d->mmio);
}
+static void pci_secondary_vga_exit(PCIDevice *dev)
+{
+ PCIVGAState *d = PCI_VGA(dev);
+ VGACommonState *s = &d->vga;
+
+ graphic_console_close(s->con);
+}
+
static void pci_secondary_vga_init(Object *obj)
{
/* Expose framebuffer byteorder via QOM */
@@ -361,6 +369,7 @@ static void secondary_class_init(ObjectClass *klass, void *data)
PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
k->realize = pci_secondary_vga_realize;
+ k->exit = pci_secondary_vga_exit;
k->class_id = PCI_CLASS_DISPLAY_OTHER;
dc->props = secondary_pci_properties;
dc->reset = pci_secondary_vga_reset;
diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
index 7e1c858..032d034 100644
--- a/hw/ppc/spapr.c
+++ b/hw/ppc/spapr.c
@@ -2855,6 +2855,11 @@ static void spapr_set_modern_hotplug_events(Object *obj, bool value,
spapr->use_hotplug_event_source = value;
}
+static bool spapr_get_msix_emulation(Object *obj, Error **errp)
+{
+ return true;
+}
+
static char *spapr_get_resize_hpt(Object *obj, Error **errp)
{
sPAPRMachineState *spapr = SPAPR_MACHINE(obj);
@@ -2936,6 +2941,8 @@ static void spapr_instance_init(Object *obj)
object_property_set_description(obj, "vsmt",
"Virtual SMT: KVM behaves as if this were"
" the host's SMT mode", &error_abort);
+ object_property_add_bool(obj, "vfio-no-msix-emulation",
+ spapr_get_msix_emulation, NULL, NULL);
}
static void spapr_machine_finalizefn(Object *obj)
diff --git a/hw/vfio/Makefile.objs b/hw/vfio/Makefile.objs
index c3ab909..a2e7a0a 100644
--- a/hw/vfio/Makefile.objs
+++ b/hw/vfio/Makefile.objs
@@ -1,6 +1,6 @@
ifeq ($(CONFIG_LINUX), y)
obj-$(CONFIG_SOFTMMU) += common.o
-obj-$(CONFIG_PCI) += pci.o pci-quirks.o
+obj-$(CONFIG_PCI) += pci.o pci-quirks.o display.o
obj-$(CONFIG_VFIO_CCW) += ccw.o
obj-$(CONFIG_SOFTMMU) += platform.o
obj-$(CONFIG_VFIO_XGMAC) += calxeda-xgmac.o
diff --git a/hw/vfio/common.c b/hw/vfio/common.c
index f895e3c..5e84716 100644
--- a/hw/vfio/common.c
+++ b/hw/vfio/common.c
@@ -544,18 +544,40 @@ static void vfio_listener_region_add(MemoryListener *listener,
llsize = int128_sub(llend, int128_make64(iova));
+ if (memory_region_is_ram_device(section->mr)) {
+ hwaddr pgmask = (1ULL << ctz64(hostwin->iova_pgsizes)) - 1;
+
+ if ((iova & pgmask) || (int128_get64(llsize) & pgmask)) {
+ error_report("Region 0x%"HWADDR_PRIx"..0x%"HWADDR_PRIx
+ " is not aligned to 0x%"HWADDR_PRIx
+ " and cannot be mapped for DMA",
+ section->offset_within_region,
+ int128_getlo(section->size),
+ pgmask + 1);
+ return;
+ }
+ }
+
ret = vfio_dma_map(container, iova, int128_get64(llsize),
vaddr, section->readonly);
if (ret) {
error_report("vfio_dma_map(%p, 0x%"HWADDR_PRIx", "
"0x%"HWADDR_PRIx", %p) = %d (%m)",
container, iova, int128_get64(llsize), vaddr, ret);
+ if (memory_region_is_ram_device(section->mr)) {
+ /* Allow unexpected mappings not to be fatal for RAM devices */
+ return;
+ }
goto fail;
}
return;
fail:
+ if (memory_region_is_ram_device(section->mr)) {
+ error_report("failed to vfio_dma_map. pci p2p may not work");
+ return;
+ }
/*
* On the initfn path, store the first error in the container so we
* can gracefully fail. Runtime, there's not much we can do other
@@ -577,6 +599,7 @@ static void vfio_listener_region_del(MemoryListener *listener,
hwaddr iova, end;
Int128 llend, llsize;
int ret;
+ bool try_unmap = true;
if (vfio_listener_skipped_section(section)) {
trace_vfio_listener_region_del_skip(
@@ -629,14 +652,34 @@ static void vfio_listener_region_del(MemoryListener *listener,
trace_vfio_listener_region_del(iova, end);
- ret = vfio_dma_unmap(container, iova, int128_get64(llsize));
- memory_region_unref(section->mr);
- if (ret) {
- error_report("vfio_dma_unmap(%p, 0x%"HWADDR_PRIx", "
- "0x%"HWADDR_PRIx") = %d (%m)",
- container, iova, int128_get64(llsize), ret);
+ if (memory_region_is_ram_device(section->mr)) {
+ hwaddr pgmask;
+ VFIOHostDMAWindow *hostwin;
+ bool hostwin_found = false;
+
+ QLIST_FOREACH(hostwin, &container->hostwin_list, hostwin_next) {
+ if (hostwin->min_iova <= iova && end <= hostwin->max_iova) {
+ hostwin_found = true;
+ break;
+ }
+ }
+ assert(hostwin_found); /* or region_add() would have failed */
+
+ pgmask = (1ULL << ctz64(hostwin->iova_pgsizes)) - 1;
+ try_unmap = !((iova & pgmask) || (int128_get64(llsize) & pgmask));
}
+ if (try_unmap) {
+ ret = vfio_dma_unmap(container, iova, int128_get64(llsize));
+ if (ret) {
+ error_report("vfio_dma_unmap(%p, 0x%"HWADDR_PRIx", "
+ "0x%"HWADDR_PRIx") = %d (%m)",
+ container, iova, int128_get64(llsize), ret);
+ }
+ }
+
+ memory_region_unref(section->mr);
+
if (container->iommu_type == VFIO_SPAPR_TCE_v2_IOMMU) {
vfio_spapr_remove_window(container,
section->offset_within_address_space);
@@ -858,6 +901,13 @@ void vfio_region_finalize(VFIORegion *region)
g_free(region->mmaps);
trace_vfio_region_finalize(region->vbasedev->name, region->nr);
+
+ region->mem = NULL;
+ region->mmaps = NULL;
+ region->nr_mmaps = 0;
+ region->size = 0;
+ region->flags = 0;
+ region->nr = 0;
}
void vfio_region_mmaps_set_enabled(VFIORegion *region, bool enabled)
@@ -1421,6 +1471,21 @@ int vfio_get_dev_region_info(VFIODevice *vbasedev, uint32_t type,
return -ENODEV;
}
+bool vfio_has_region_cap(VFIODevice *vbasedev, int region, uint16_t cap_type)
+{
+ struct vfio_region_info *info = NULL;
+ bool ret = false;
+
+ if (!vfio_get_region_info(vbasedev, region, &info)) {
+ if (vfio_get_region_info_cap(info, cap_type)) {
+ ret = true;
+ }
+ g_free(info);
+ }
+
+ return ret;
+}
+
/*
* Interfaces for IBM EEH (Enhanced Error Handling)
*/
diff --git a/hw/vfio/display.c b/hw/vfio/display.c
new file mode 100644
index 0000000..7d727ce
--- /dev/null
+++ b/hw/vfio/display.c
@@ -0,0 +1,347 @@
+/*
+ * display support for mdev based vgpu devices
+ *
+ * Copyright Red Hat, Inc. 2017
+ *
+ * Authors:
+ * Gerd Hoffmann
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2. See
+ * the COPYING file in the top-level directory.
+ */
+
+#include "qemu/osdep.h"
+#include <linux/vfio.h>
+#include <sys/ioctl.h>
+
+#include "sysemu/sysemu.h"
+#include "ui/console.h"
+#include "qapi/error.h"
+#include "pci.h"
+
+#ifndef DRM_PLANE_TYPE_PRIMARY
+# define DRM_PLANE_TYPE_PRIMARY 1
+# define DRM_PLANE_TYPE_CURSOR 2
+#endif
+
+static void vfio_display_update_cursor(VFIODMABuf *dmabuf,
+ struct vfio_device_gfx_plane_info *plane)
+{
+ if (dmabuf->pos_x != plane->x_pos || dmabuf->pos_y != plane->y_pos) {
+ dmabuf->pos_x = plane->x_pos;
+ dmabuf->pos_y = plane->y_pos;
+ dmabuf->pos_updates++;
+ }
+ if (dmabuf->hot_x != plane->x_hot || dmabuf->hot_y != plane->y_hot) {
+ dmabuf->hot_x = plane->x_hot;
+ dmabuf->hot_y = plane->y_hot;
+ dmabuf->hot_updates++;
+ }
+}
+
+static VFIODMABuf *vfio_display_get_dmabuf(VFIOPCIDevice *vdev,
+ uint32_t plane_type)
+{
+ VFIODisplay *dpy = vdev->dpy;
+ struct vfio_device_gfx_plane_info plane;
+ VFIODMABuf *dmabuf;
+ int fd, ret;
+
+ memset(&plane, 0, sizeof(plane));
+ plane.argsz = sizeof(plane);
+ plane.flags = VFIO_GFX_PLANE_TYPE_DMABUF;
+ plane.drm_plane_type = plane_type;
+ ret = ioctl(vdev->vbasedev.fd, VFIO_DEVICE_QUERY_GFX_PLANE, &plane);
+ if (ret < 0) {
+ return NULL;
+ }
+ if (!plane.drm_format || !plane.size) {
+ return NULL;
+ }
+
+ QTAILQ_FOREACH(dmabuf, &dpy->dmabuf.bufs, next) {
+ if (dmabuf->dmabuf_id == plane.dmabuf_id) {
+ /* found in list, move to head, return it */
+ QTAILQ_REMOVE(&dpy->dmabuf.bufs, dmabuf, next);
+ QTAILQ_INSERT_HEAD(&dpy->dmabuf.bufs, dmabuf, next);
+ if (plane_type == DRM_PLANE_TYPE_CURSOR) {
+ vfio_display_update_cursor(dmabuf, &plane);
+ }
+ return dmabuf;
+ }
+ }
+
+ fd = ioctl(vdev->vbasedev.fd, VFIO_DEVICE_GET_GFX_DMABUF, &plane.dmabuf_id);
+ if (fd < 0) {
+ return NULL;
+ }
+
+ dmabuf = g_new0(VFIODMABuf, 1);
+ dmabuf->dmabuf_id = plane.dmabuf_id;
+ dmabuf->buf.width = plane.width;
+ dmabuf->buf.height = plane.height;
+ dmabuf->buf.stride = plane.stride;
+ dmabuf->buf.fourcc = plane.drm_format;
+ dmabuf->buf.fd = fd;
+ if (plane_type == DRM_PLANE_TYPE_CURSOR) {
+ vfio_display_update_cursor(dmabuf, &plane);
+ }
+
+ QTAILQ_INSERT_HEAD(&dpy->dmabuf.bufs, dmabuf, next);
+ return dmabuf;
+}
+
+static void vfio_display_free_one_dmabuf(VFIODisplay *dpy, VFIODMABuf *dmabuf)
+{
+ QTAILQ_REMOVE(&dpy->dmabuf.bufs, dmabuf, next);
+ dpy_gl_release_dmabuf(dpy->con, &dmabuf->buf);
+ close(dmabuf->buf.fd);
+ g_free(dmabuf);
+}
+
+static void vfio_display_free_dmabufs(VFIOPCIDevice *vdev)
+{
+ VFIODisplay *dpy = vdev->dpy;
+ VFIODMABuf *dmabuf, *tmp;
+ uint32_t keep = 5;
+
+ QTAILQ_FOREACH_SAFE(dmabuf, &dpy->dmabuf.bufs, next, tmp) {
+ if (keep > 0) {
+ keep--;
+ continue;
+ }
+ assert(dmabuf != dpy->dmabuf.primary);
+ vfio_display_free_one_dmabuf(dpy, dmabuf);
+ }
+}
+
+static void vfio_display_dmabuf_update(void *opaque)
+{
+ VFIOPCIDevice *vdev = opaque;
+ VFIODisplay *dpy = vdev->dpy;
+ VFIODMABuf *primary, *cursor;
+ bool free_bufs = false, new_cursor = false;;
+
+ primary = vfio_display_get_dmabuf(vdev, DRM_PLANE_TYPE_PRIMARY);
+ if (primary == NULL) {
+ return;
+ }
+
+ if (dpy->dmabuf.primary != primary) {
+ dpy->dmabuf.primary = primary;
+ qemu_console_resize(dpy->con,
+ primary->buf.width, primary->buf.height);
+ dpy_gl_scanout_dmabuf(dpy->con, &primary->buf);
+ free_bufs = true;
+ }
+
+ cursor = vfio_display_get_dmabuf(vdev, DRM_PLANE_TYPE_CURSOR);
+ if (dpy->dmabuf.cursor != cursor) {
+ dpy->dmabuf.cursor = cursor;
+ new_cursor = true;
+ free_bufs = true;
+ }
+
+ if (cursor && (new_cursor || cursor->hot_updates)) {
+ bool have_hot = (cursor->hot_x != 0xffffffff &&
+ cursor->hot_y != 0xffffffff);
+ dpy_gl_cursor_dmabuf(dpy->con, &cursor->buf, have_hot,
+ cursor->hot_x, cursor->hot_y);
+ cursor->hot_updates = 0;
+ } else if (!cursor && new_cursor) {
+ dpy_gl_cursor_dmabuf(dpy->con, NULL, false, 0, 0);
+ }
+
+ if (cursor && cursor->pos_updates) {
+ dpy_gl_cursor_position(dpy->con,
+ cursor->pos_x,
+ cursor->pos_y);
+ cursor->pos_updates = 0;
+ }
+
+ dpy_gl_update(dpy->con, 0, 0, primary->buf.width, primary->buf.height);
+
+ if (free_bufs) {
+ vfio_display_free_dmabufs(vdev);
+ }
+}
+
+static const GraphicHwOps vfio_display_dmabuf_ops = {
+ .gfx_update = vfio_display_dmabuf_update,
+};
+
+static int vfio_display_dmabuf_init(VFIOPCIDevice *vdev, Error **errp)
+{
+ if (!display_opengl) {
+ error_setg(errp, "vfio-display-dmabuf: opengl not available");
+ return -1;
+ }
+
+ vdev->dpy = g_new0(VFIODisplay, 1);
+ vdev->dpy->con = graphic_console_init(DEVICE(vdev), 0,
+ &vfio_display_dmabuf_ops,
+ vdev);
+ return 0;
+}
+
+static void vfio_display_dmabuf_exit(VFIODisplay *dpy)
+{
+ VFIODMABuf *dmabuf;
+
+ if (QTAILQ_EMPTY(&dpy->dmabuf.bufs)) {
+ return;
+ }
+
+ while ((dmabuf = QTAILQ_FIRST(&dpy->dmabuf.bufs)) != NULL) {
+ vfio_display_free_one_dmabuf(dpy, dmabuf);
+ }
+}
+
+/* ---------------------------------------------------------------------- */
+
+static void vfio_display_region_update(void *opaque)
+{
+ VFIOPCIDevice *vdev = opaque;
+ VFIODisplay *dpy = vdev->dpy;
+ struct vfio_device_gfx_plane_info plane = {
+ .argsz = sizeof(plane),
+ .flags = VFIO_GFX_PLANE_TYPE_REGION
+ };
+ pixman_format_code_t format;
+ int ret;
+
+ ret = ioctl(vdev->vbasedev.fd, VFIO_DEVICE_QUERY_GFX_PLANE, &plane);
+ if (ret < 0) {
+ error_report("ioctl VFIO_DEVICE_QUERY_GFX_PLANE: %s",
+ strerror(errno));
+ return;
+ }
+ if (!plane.drm_format || !plane.size) {
+ return;
+ }
+ format = qemu_drm_format_to_pixman(plane.drm_format);
+ if (!format) {
+ return;
+ }
+
+ if (dpy->region.buffer.size &&
+ dpy->region.buffer.nr != plane.region_index) {
+ /* region changed */
+ vfio_region_exit(&dpy->region.buffer);
+ vfio_region_finalize(&dpy->region.buffer);
+ dpy->region.surface = NULL;
+ }
+
+ if (dpy->region.surface &&
+ (surface_width(dpy->region.surface) != plane.width ||
+ surface_height(dpy->region.surface) != plane.height ||
+ surface_format(dpy->region.surface) != format)) {
+ /* size changed */
+ dpy->region.surface = NULL;
+ }
+
+ if (!dpy->region.buffer.size) {
+ /* mmap region */
+ ret = vfio_region_setup(OBJECT(vdev), &vdev->vbasedev,
+ &dpy->region.buffer,
+ plane.region_index,
+ "display");
+ if (ret != 0) {
+ error_report("%s: vfio_region_setup(%d): %s",
+ __func__, plane.region_index, strerror(-ret));
+ goto err;
+ }
+ ret = vfio_region_mmap(&dpy->region.buffer);
+ if (ret != 0) {
+ error_report("%s: vfio_region_mmap(%d): %s", __func__,
+ plane.region_index, strerror(-ret));
+ goto err;
+ }
+ assert(dpy->region.buffer.mmaps[0].mmap != NULL);
+ }
+
+ if (dpy->region.surface == NULL) {
+ /* create surface */
+ dpy->region.surface = qemu_create_displaysurface_from
+ (plane.width, plane.height, format,
+ plane.stride, dpy->region.buffer.mmaps[0].mmap);
+ dpy_gfx_replace_surface(dpy->con, dpy->region.surface);
+ }
+
+ /* full screen update */
+ dpy_gfx_update(dpy->con, 0, 0,
+ surface_width(dpy->region.surface),
+ surface_height(dpy->region.surface));
+ return;
+
+err:
+ vfio_region_exit(&dpy->region.buffer);
+ vfio_region_finalize(&dpy->region.buffer);
+}
+
+static const GraphicHwOps vfio_display_region_ops = {
+ .gfx_update = vfio_display_region_update,
+};
+
+static int vfio_display_region_init(VFIOPCIDevice *vdev, Error **errp)
+{
+ vdev->dpy = g_new0(VFIODisplay, 1);
+ vdev->dpy->con = graphic_console_init(DEVICE(vdev), 0,
+ &vfio_display_region_ops,
+ vdev);
+ return 0;
+}
+
+static void vfio_display_region_exit(VFIODisplay *dpy)
+{
+ if (!dpy->region.buffer.size) {
+ return;
+ }
+
+ vfio_region_exit(&dpy->region.buffer);
+ vfio_region_finalize(&dpy->region.buffer);
+}
+
+/* ---------------------------------------------------------------------- */
+
+int vfio_display_probe(VFIOPCIDevice *vdev, Error **errp)
+{
+ struct vfio_device_gfx_plane_info probe;
+ int ret;
+
+ memset(&probe, 0, sizeof(probe));
+ probe.argsz = sizeof(probe);
+ probe.flags = VFIO_GFX_PLANE_TYPE_PROBE | VFIO_GFX_PLANE_TYPE_DMABUF;
+ ret = ioctl(vdev->vbasedev.fd, VFIO_DEVICE_QUERY_GFX_PLANE, &probe);
+ if (ret == 0) {
+ return vfio_display_dmabuf_init(vdev, errp);
+ }
+
+ memset(&probe, 0, sizeof(probe));
+ probe.argsz = sizeof(probe);
+ probe.flags = VFIO_GFX_PLANE_TYPE_PROBE | VFIO_GFX_PLANE_TYPE_REGION;
+ ret = ioctl(vdev->vbasedev.fd, VFIO_DEVICE_QUERY_GFX_PLANE, &probe);
+ if (ret == 0) {
+ return vfio_display_region_init(vdev, errp);
+ }
+
+ if (vdev->display == ON_OFF_AUTO_AUTO) {
+ /* not an error in automatic mode */
+ return 0;
+ }
+
+ error_setg(errp, "vfio: device doesn't support any (known) display method");
+ return -1;
+}
+
+void vfio_display_finalize(VFIOPCIDevice *vdev)
+{
+ if (!vdev->dpy) {
+ return;
+ }
+
+ graphic_console_close(vdev->dpy->con);
+ vfio_display_dmabuf_exit(vdev->dpy);
+ vfio_display_region_exit(vdev->dpy);
+ g_free(vdev->dpy);
+}
diff --git a/hw/vfio/pci.c b/hw/vfio/pci.c
index 3ba3cbc..b9bc6cd 100644
--- a/hw/vfio/pci.c
+++ b/hw/vfio/pci.c
@@ -1295,6 +1295,15 @@ static void vfio_pci_fixup_msix_region(VFIOPCIDevice *vdev)
VFIORegion *region = &vdev->bars[vdev->msix->table_bar].region;
/*
+ * If the host driver allows mapping of a MSIX data, we are going to
+ * do map the entire BAR and emulate MSIX table on top of that.
+ */
+ if (vfio_has_region_cap(&vdev->vbasedev, region->nr,
+ VFIO_REGION_INFO_CAP_MSIX_MAPPABLE)) {
+ return;
+ }
+
+ /*
* We expect to find a single mmap covering the whole BAR, anything else
* means it's either unsupported or already setup.
*/
@@ -1572,6 +1581,19 @@ static int vfio_msix_setup(VFIOPCIDevice *vdev, int pos, Error **errp)
*/
memory_region_set_enabled(&vdev->pdev.msix_pba_mmio, false);
+ /*
+ * The emulated machine may provide a paravirt interface for MSIX setup
+ * so it is not strictly necessary to emulate MSIX here. This becomes
+ * helpful when frequently accessed MMIO registers are located in
+ * subpages adjacent to the MSIX table but the MSIX data containing page
+ * cannot be mapped because of a host page size bigger than the MSIX table
+ * alignment.
+ */
+ if (object_property_get_bool(OBJECT(qdev_get_machine()),
+ "vfio-no-msix-emulation", NULL)) {
+ memory_region_set_enabled(&vdev->pdev.msix_table_mmio, false);
+ }
+
return 0;
}
@@ -3015,6 +3037,13 @@ static void vfio_realize(PCIDevice *pdev, Error **errp)
}
}
+ if (vdev->display != ON_OFF_AUTO_OFF) {
+ ret = vfio_display_probe(vdev, errp);
+ if (ret) {
+ goto out_teardown;
+ }
+ }
+
vfio_register_err_notifier(vdev);
vfio_register_req_notifier(vdev);
vfio_setup_resetfn_quirk(vdev);
@@ -3035,6 +3064,7 @@ static void vfio_instance_finalize(Object *obj)
VFIOPCIDevice *vdev = DO_UPCAST(VFIOPCIDevice, pdev, pci_dev);
VFIOGroup *group = vdev->vbasedev.group;
+ vfio_display_finalize(vdev);
vfio_bars_finalize(vdev);
g_free(vdev->emulated_config_bits);
g_free(vdev->rom);
@@ -3123,6 +3153,8 @@ static void vfio_instance_init(Object *obj)
static Property vfio_pci_dev_properties[] = {
DEFINE_PROP_PCI_HOST_DEVADDR("host", VFIOPCIDevice, host),
DEFINE_PROP_STRING("sysfsdev", VFIOPCIDevice, vbasedev.sysfsdev),
+ DEFINE_PROP_ON_OFF_AUTO("display", VFIOPCIDevice,
+ display, ON_OFF_AUTO_AUTO),
DEFINE_PROP_UINT32("x-intx-mmap-timeout-ms", VFIOPCIDevice,
intx.mmap_timeout, 1100),
DEFINE_PROP_BIT("x-vga", VFIOPCIDevice, features,
diff --git a/hw/vfio/pci.h b/hw/vfio/pci.h
index f4aa13e..629c875 100644
--- a/hw/vfio/pci.h
+++ b/hw/vfio/pci.h
@@ -133,6 +133,7 @@ typedef struct VFIOPCIDevice {
#define VFIO_FEATURE_ENABLE_IGD_OPREGION_BIT 2
#define VFIO_FEATURE_ENABLE_IGD_OPREGION \
(1 << VFIO_FEATURE_ENABLE_IGD_OPREGION_BIT)
+ OnOffAuto display;
int32_t bootindex;
uint32_t igd_gms;
OffAutoPCIBAR msix_relo;
@@ -147,6 +148,7 @@ typedef struct VFIOPCIDevice {
bool no_kvm_msi;
bool no_kvm_msix;
bool no_geforce_quirks;
+ VFIODisplay *dpy;
} VFIOPCIDevice;
uint32_t vfio_pci_read_config(PCIDevice *pdev, uint32_t addr, int len);
@@ -174,4 +176,7 @@ int vfio_pci_igd_opregion_init(VFIOPCIDevice *vdev,
struct vfio_region_info *info,
Error **errp);
+int vfio_display_probe(VFIOPCIDevice *vdev, Error **errp);
+void vfio_display_finalize(VFIOPCIDevice *vdev);
+
#endif /* HW_VFIO_VFIO_PCI_H */
diff --git a/include/hw/vfio/vfio-common.h b/include/hw/vfio/vfio-common.h
index f3a2ac9..d936014 100644
--- a/include/hw/vfio/vfio-common.h
+++ b/include/hw/vfio/vfio-common.h
@@ -26,6 +26,7 @@
#include "exec/memory.h"
#include "qemu/queue.h"
#include "qemu/notify.h"
+#include "ui/console.h"
#ifdef CONFIG_LINUX
#include <linux/vfio.h>
#endif
@@ -142,6 +143,27 @@ typedef struct VFIOGroup {
QLIST_ENTRY(VFIOGroup) container_next;
} VFIOGroup;
+typedef struct VFIODMABuf {
+ QemuDmaBuf buf;
+ uint32_t pos_x, pos_y, pos_updates;
+ uint32_t hot_x, hot_y, hot_updates;
+ int dmabuf_id;
+ QTAILQ_ENTRY(VFIODMABuf) next;
+} VFIODMABuf;
+
+typedef struct VFIODisplay {
+ QemuConsole *con;
+ struct {
+ VFIORegion buffer;
+ DisplaySurface *surface;
+ } region;
+ struct {
+ QTAILQ_HEAD(, VFIODMABuf) bufs;
+ VFIODMABuf *primary;
+ VFIODMABuf *cursor;
+ } dmabuf;
+} VFIODisplay;
+
void vfio_put_base_device(VFIODevice *vbasedev);
void vfio_disable_irqindex(VFIODevice *vbasedev, int index);
void vfio_unmask_single_irqindex(VFIODevice *vbasedev, int index);
@@ -171,6 +193,7 @@ int vfio_get_region_info(VFIODevice *vbasedev, int index,
struct vfio_region_info **info);
int vfio_get_dev_region_info(VFIODevice *vbasedev, uint32_t type,
uint32_t subtype, struct vfio_region_info **info);
+bool vfio_has_region_cap(VFIODevice *vbasedev, int region, uint16_t cap_type);
#endif
extern const MemoryListener vfio_prereg_listener;
diff --git a/include/standard-headers/drm/drm_fourcc.h b/include/standard-headers/drm/drm_fourcc.h
new file mode 100644
index 0000000..11912fd
--- /dev/null
+++ b/include/standard-headers/drm/drm_fourcc.h
@@ -0,0 +1,411 @@
+/*
+ * Copyright 2011 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef DRM_FOURCC_H
+#define DRM_FOURCC_H
+
+
+#if defined(__cplusplus)
+extern "C" {
+#endif
+
+#define fourcc_code(a, b, c, d) ((uint32_t)(a) | ((uint32_t)(b) << 8) | \
+ ((uint32_t)(c) << 16) | ((uint32_t)(d) << 24))
+
+#define DRM_FORMAT_BIG_ENDIAN (1<<31) /* format is big endian instead of little endian */
+
+/* color index */
+#define DRM_FORMAT_C8 fourcc_code('C', '8', ' ', ' ') /* [7:0] C */
+
+/* 8 bpp Red */
+#define DRM_FORMAT_R8 fourcc_code('R', '8', ' ', ' ') /* [7:0] R */
+
+/* 16 bpp Red */
+#define DRM_FORMAT_R16 fourcc_code('R', '1', '6', ' ') /* [15:0] R little endian */
+
+/* 16 bpp RG */
+#define DRM_FORMAT_RG88 fourcc_code('R', 'G', '8', '8') /* [15:0] R:G 8:8 little endian */
+#define DRM_FORMAT_GR88 fourcc_code('G', 'R', '8', '8') /* [15:0] G:R 8:8 little endian */
+
+/* 32 bpp RG */
+#define DRM_FORMAT_RG1616 fourcc_code('R', 'G', '3', '2') /* [31:0] R:G 16:16 little endian */
+#define DRM_FORMAT_GR1616 fourcc_code('G', 'R', '3', '2') /* [31:0] G:R 16:16 little endian */
+
+/* 8 bpp RGB */
+#define DRM_FORMAT_RGB332 fourcc_code('R', 'G', 'B', '8') /* [7:0] R:G:B 3:3:2 */
+#define DRM_FORMAT_BGR233 fourcc_code('B', 'G', 'R', '8') /* [7:0] B:G:R 2:3:3 */
+
+/* 16 bpp RGB */
+#define DRM_FORMAT_XRGB4444 fourcc_code('X', 'R', '1', '2') /* [15:0] x:R:G:B 4:4:4:4 little endian */
+#define DRM_FORMAT_XBGR4444 fourcc_code('X', 'B', '1', '2') /* [15:0] x:B:G:R 4:4:4:4 little endian */
+#define DRM_FORMAT_RGBX4444 fourcc_code('R', 'X', '1', '2') /* [15:0] R:G:B:x 4:4:4:4 little endian */
+#define DRM_FORMAT_BGRX4444 fourcc_code('B', 'X', '1', '2') /* [15:0] B:G:R:x 4:4:4:4 little endian */
+
+#define DRM_FORMAT_ARGB4444 fourcc_code('A', 'R', '1', '2') /* [15:0] A:R:G:B 4:4:4:4 little endian */
+#define DRM_FORMAT_ABGR4444 fourcc_code('A', 'B', '1', '2') /* [15:0] A:B:G:R 4:4:4:4 little endian */
+#define DRM_FORMAT_RGBA4444 fourcc_code('R', 'A', '1', '2') /* [15:0] R:G:B:A 4:4:4:4 little endian */
+#define DRM_FORMAT_BGRA4444 fourcc_code('B', 'A', '1', '2') /* [15:0] B:G:R:A 4:4:4:4 little endian */
+
+#define DRM_FORMAT_XRGB1555 fourcc_code('X', 'R', '1', '5') /* [15:0] x:R:G:B 1:5:5:5 little endian */
+#define DRM_FORMAT_XBGR1555 fourcc_code('X', 'B', '1', '5') /* [15:0] x:B:G:R 1:5:5:5 little endian */
+#define DRM_FORMAT_RGBX5551 fourcc_code('R', 'X', '1', '5') /* [15:0] R:G:B:x 5:5:5:1 little endian */
+#define DRM_FORMAT_BGRX5551 fourcc_code('B', 'X', '1', '5') /* [15:0] B:G:R:x 5:5:5:1 little endian */
+
+#define DRM_FORMAT_ARGB1555 fourcc_code('A', 'R', '1', '5') /* [15:0] A:R:G:B 1:5:5:5 little endian */
+#define DRM_FORMAT_ABGR1555 fourcc_code('A', 'B', '1', '5') /* [15:0] A:B:G:R 1:5:5:5 little endian */
+#define DRM_FORMAT_RGBA5551 fourcc_code('R', 'A', '1', '5') /* [15:0] R:G:B:A 5:5:5:1 little endian */
+#define DRM_FORMAT_BGRA5551 fourcc_code('B', 'A', '1', '5') /* [15:0] B:G:R:A 5:5:5:1 little endian */
+
+#define DRM_FORMAT_RGB565 fourcc_code('R', 'G', '1', '6') /* [15:0] R:G:B 5:6:5 little endian */
+#define DRM_FORMAT_BGR565 fourcc_code('B', 'G', '1', '6') /* [15:0] B:G:R 5:6:5 little endian */
+
+/* 24 bpp RGB */
+#define DRM_FORMAT_RGB888 fourcc_code('R', 'G', '2', '4') /* [23:0] R:G:B little endian */
+#define DRM_FORMAT_BGR888 fourcc_code('B', 'G', '2', '4') /* [23:0] B:G:R little endian */
+
+/* 32 bpp RGB */
+#define DRM_FORMAT_XRGB8888 fourcc_code('X', 'R', '2', '4') /* [31:0] x:R:G:B 8:8:8:8 little endian */
+#define DRM_FORMAT_XBGR8888 fourcc_code('X', 'B', '2', '4') /* [31:0] x:B:G:R 8:8:8:8 little endian */
+#define DRM_FORMAT_RGBX8888 fourcc_code('R', 'X', '2', '4') /* [31:0] R:G:B:x 8:8:8:8 little endian */
+#define DRM_FORMAT_BGRX8888 fourcc_code('B', 'X', '2', '4') /* [31:0] B:G:R:x 8:8:8:8 little endian */
+
+#define DRM_FORMAT_ARGB8888 fourcc_code('A', 'R', '2', '4') /* [31:0] A:R:G:B 8:8:8:8 little endian */
+#define DRM_FORMAT_ABGR8888 fourcc_code('A', 'B', '2', '4') /* [31:0] A:B:G:R 8:8:8:8 little endian */
+#define DRM_FORMAT_RGBA8888 fourcc_code('R', 'A', '2', '4') /* [31:0] R:G:B:A 8:8:8:8 little endian */
+#define DRM_FORMAT_BGRA8888 fourcc_code('B', 'A', '2', '4') /* [31:0] B:G:R:A 8:8:8:8 little endian */
+
+#define DRM_FORMAT_XRGB2101010 fourcc_code('X', 'R', '3', '0') /* [31:0] x:R:G:B 2:10:10:10 little endian */
+#define DRM_FORMAT_XBGR2101010 fourcc_code('X', 'B', '3', '0') /* [31:0] x:B:G:R 2:10:10:10 little endian */
+#define DRM_FORMAT_RGBX1010102 fourcc_code('R', 'X', '3', '0') /* [31:0] R:G:B:x 10:10:10:2 little endian */
+#define DRM_FORMAT_BGRX1010102 fourcc_code('B', 'X', '3', '0') /* [31:0] B:G:R:x 10:10:10:2 little endian */
+
+#define DRM_FORMAT_ARGB2101010 fourcc_code('A', 'R', '3', '0') /* [31:0] A:R:G:B 2:10:10:10 little endian */
+#define DRM_FORMAT_ABGR2101010 fourcc_code('A', 'B', '3', '0') /* [31:0] A:B:G:R 2:10:10:10 little endian */
+#define DRM_FORMAT_RGBA1010102 fourcc_code('R', 'A', '3', '0') /* [31:0] R:G:B:A 10:10:10:2 little endian */
+#define DRM_FORMAT_BGRA1010102 fourcc_code('B', 'A', '3', '0') /* [31:0] B:G:R:A 10:10:10:2 little endian */
+
+/* packed YCbCr */
+#define DRM_FORMAT_YUYV fourcc_code('Y', 'U', 'Y', 'V') /* [31:0] Cr0:Y1:Cb0:Y0 8:8:8:8 little endian */
+#define DRM_FORMAT_YVYU fourcc_code('Y', 'V', 'Y', 'U') /* [31:0] Cb0:Y1:Cr0:Y0 8:8:8:8 little endian */
+#define DRM_FORMAT_UYVY fourcc_code('U', 'Y', 'V', 'Y') /* [31:0] Y1:Cr0:Y0:Cb0 8:8:8:8 little endian */
+#define DRM_FORMAT_VYUY fourcc_code('V', 'Y', 'U', 'Y') /* [31:0] Y1:Cb0:Y0:Cr0 8:8:8:8 little endian */
+
+#define DRM_FORMAT_AYUV fourcc_code('A', 'Y', 'U', 'V') /* [31:0] A:Y:Cb:Cr 8:8:8:8 little endian */
+
+/*
+ * 2 plane RGB + A
+ * index 0 = RGB plane, same format as the corresponding non _A8 format has
+ * index 1 = A plane, [7:0] A
+ */
+#define DRM_FORMAT_XRGB8888_A8 fourcc_code('X', 'R', 'A', '8')
+#define DRM_FORMAT_XBGR8888_A8 fourcc_code('X', 'B', 'A', '8')
+#define DRM_FORMAT_RGBX8888_A8 fourcc_code('R', 'X', 'A', '8')
+#define DRM_FORMAT_BGRX8888_A8 fourcc_code('B', 'X', 'A', '8')
+#define DRM_FORMAT_RGB888_A8 fourcc_code('R', '8', 'A', '8')
+#define DRM_FORMAT_BGR888_A8 fourcc_code('B', '8', 'A', '8')
+#define DRM_FORMAT_RGB565_A8 fourcc_code('R', '5', 'A', '8')
+#define DRM_FORMAT_BGR565_A8 fourcc_code('B', '5', 'A', '8')
+
+/*
+ * 2 plane YCbCr
+ * index 0 = Y plane, [7:0] Y
+ * index 1 = Cr:Cb plane, [15:0] Cr:Cb little endian
+ * or
+ * index 1 = Cb:Cr plane, [15:0] Cb:Cr little endian
+ */
+#define DRM_FORMAT_NV12 fourcc_code('N', 'V', '1', '2') /* 2x2 subsampled Cr:Cb plane */
+#define DRM_FORMAT_NV21 fourcc_code('N', 'V', '2', '1') /* 2x2 subsampled Cb:Cr plane */
+#define DRM_FORMAT_NV16 fourcc_code('N', 'V', '1', '6') /* 2x1 subsampled Cr:Cb plane */
+#define DRM_FORMAT_NV61 fourcc_code('N', 'V', '6', '1') /* 2x1 subsampled Cb:Cr plane */
+#define DRM_FORMAT_NV24 fourcc_code('N', 'V', '2', '4') /* non-subsampled Cr:Cb plane */
+#define DRM_FORMAT_NV42 fourcc_code('N', 'V', '4', '2') /* non-subsampled Cb:Cr plane */
+
+/*
+ * 3 plane YCbCr
+ * index 0: Y plane, [7:0] Y
+ * index 1: Cb plane, [7:0] Cb
+ * index 2: Cr plane, [7:0] Cr
+ * or
+ * index 1: Cr plane, [7:0] Cr
+ * index 2: Cb plane, [7:0] Cb
+ */
+#define DRM_FORMAT_YUV410 fourcc_code('Y', 'U', 'V', '9') /* 4x4 subsampled Cb (1) and Cr (2) planes */
+#define DRM_FORMAT_YVU410 fourcc_code('Y', 'V', 'U', '9') /* 4x4 subsampled Cr (1) and Cb (2) planes */
+#define DRM_FORMAT_YUV411 fourcc_code('Y', 'U', '1', '1') /* 4x1 subsampled Cb (1) and Cr (2) planes */
+#define DRM_FORMAT_YVU411 fourcc_code('Y', 'V', '1', '1') /* 4x1 subsampled Cr (1) and Cb (2) planes */
+#define DRM_FORMAT_YUV420 fourcc_code('Y', 'U', '1', '2') /* 2x2 subsampled Cb (1) and Cr (2) planes */
+#define DRM_FORMAT_YVU420 fourcc_code('Y', 'V', '1', '2') /* 2x2 subsampled Cr (1) and Cb (2) planes */
+#define DRM_FORMAT_YUV422 fourcc_code('Y', 'U', '1', '6') /* 2x1 subsampled Cb (1) and Cr (2) planes */
+#define DRM_FORMAT_YVU422 fourcc_code('Y', 'V', '1', '6') /* 2x1 subsampled Cr (1) and Cb (2) planes */
+#define DRM_FORMAT_YUV444 fourcc_code('Y', 'U', '2', '4') /* non-subsampled Cb (1) and Cr (2) planes */
+#define DRM_FORMAT_YVU444 fourcc_code('Y', 'V', '2', '4') /* non-subsampled Cr (1) and Cb (2) planes */
+
+
+/*
+ * Format Modifiers:
+ *
+ * Format modifiers describe, typically, a re-ordering or modification
+ * of the data in a plane of an FB. This can be used to express tiled/
+ * swizzled formats, or compression, or a combination of the two.
+ *
+ * The upper 8 bits of the format modifier are a vendor-id as assigned
+ * below. The lower 56 bits are assigned as vendor sees fit.
+ */
+
+/* Vendor Ids: */
+#define DRM_FORMAT_MOD_NONE 0
+#define DRM_FORMAT_MOD_VENDOR_NONE 0
+#define DRM_FORMAT_MOD_VENDOR_INTEL 0x01
+#define DRM_FORMAT_MOD_VENDOR_AMD 0x02
+#define DRM_FORMAT_MOD_VENDOR_NVIDIA 0x03
+#define DRM_FORMAT_MOD_VENDOR_SAMSUNG 0x04
+#define DRM_FORMAT_MOD_VENDOR_QCOM 0x05
+#define DRM_FORMAT_MOD_VENDOR_VIVANTE 0x06
+#define DRM_FORMAT_MOD_VENDOR_BROADCOM 0x07
+/* add more to the end as needed */
+
+#define DRM_FORMAT_RESERVED ((1ULL << 56) - 1)
+
+#define fourcc_mod_code(vendor, val) \
+ ((((uint64_t)DRM_FORMAT_MOD_VENDOR_## vendor) << 56) | ((val) & 0x00ffffffffffffffULL))
+
+/*
+ * Format Modifier tokens:
+ *
+ * When adding a new token please document the layout with a code comment,
+ * similar to the fourcc codes above. drm_fourcc.h is considered the
+ * authoritative source for all of these.
+ */
+
+/*
+ * Invalid Modifier
+ *
+ * This modifier can be used as a sentinel to terminate the format modifiers
+ * list, or to initialize a variable with an invalid modifier. It might also be
+ * used to report an error back to userspace for certain APIs.
+ */
+#define DRM_FORMAT_MOD_INVALID fourcc_mod_code(NONE, DRM_FORMAT_RESERVED)
+
+/*
+ * Linear Layout
+ *
+ * Just plain linear layout. Note that this is different from no specifying any
+ * modifier (e.g. not setting DRM_MODE_FB_MODIFIERS in the DRM_ADDFB2 ioctl),
+ * which tells the driver to also take driver-internal information into account
+ * and so might actually result in a tiled framebuffer.
+ */
+#define DRM_FORMAT_MOD_LINEAR fourcc_mod_code(NONE, 0)
+
+/* Intel framebuffer modifiers */
+
+/*
+ * Intel X-tiling layout
+ *
+ * This is a tiled layout using 4Kb tiles (except on gen2 where the tiles 2Kb)
+ * in row-major layout. Within the tile bytes are laid out row-major, with
+ * a platform-dependent stride. On top of that the memory can apply
+ * platform-depending swizzling of some higher address bits into bit6.
+ *
+ * This format is highly platforms specific and not useful for cross-driver
+ * sharing. It exists since on a given platform it does uniquely identify the
+ * layout in a simple way for i915-specific userspace.
+ */
+#define I915_FORMAT_MOD_X_TILED fourcc_mod_code(INTEL, 1)
+
+/*
+ * Intel Y-tiling layout
+ *
+ * This is a tiled layout using 4Kb tiles (except on gen2 where the tiles 2Kb)
+ * in row-major layout. Within the tile bytes are laid out in OWORD (16 bytes)
+ * chunks column-major, with a platform-dependent height. On top of that the
+ * memory can apply platform-depending swizzling of some higher address bits
+ * into bit6.
+ *
+ * This format is highly platforms specific and not useful for cross-driver
+ * sharing. It exists since on a given platform it does uniquely identify the
+ * layout in a simple way for i915-specific userspace.
+ */
+#define I915_FORMAT_MOD_Y_TILED fourcc_mod_code(INTEL, 2)
+
+/*
+ * Intel Yf-tiling layout
+ *
+ * This is a tiled layout using 4Kb tiles in row-major layout.
+ * Within the tile pixels are laid out in 16 256 byte units / sub-tiles which
+ * are arranged in four groups (two wide, two high) with column-major layout.
+ * Each group therefore consits out of four 256 byte units, which are also laid
+ * out as 2x2 column-major.
+ * 256 byte units are made out of four 64 byte blocks of pixels, producing
+ * either a square block or a 2:1 unit.
+ * 64 byte blocks of pixels contain four pixel rows of 16 bytes, where the width
+ * in pixel depends on the pixel depth.
+ */
+#define I915_FORMAT_MOD_Yf_TILED fourcc_mod_code(INTEL, 3)
+
+/*
+ * Intel color control surface (CCS) for render compression
+ *
+ * The framebuffer format must be one of the 8:8:8:8 RGB formats.
+ * The main surface will be plane index 0 and must be Y/Yf-tiled,
+ * the CCS will be plane index 1.
+ *
+ * Each CCS tile matches a 1024x512 pixel area of the main surface.
+ * To match certain aspects of the 3D hardware the CCS is
+ * considered to be made up of normal 128Bx32 Y tiles, Thus
+ * the CCS pitch must be specified in multiples of 128 bytes.
+ *
+ * In reality the CCS tile appears to be a 64Bx64 Y tile, composed
+ * of QWORD (8 bytes) chunks instead of OWORD (16 bytes) chunks.
+ * But that fact is not relevant unless the memory is accessed
+ * directly.
+ */
+#define I915_FORMAT_MOD_Y_TILED_CCS fourcc_mod_code(INTEL, 4)
+#define I915_FORMAT_MOD_Yf_TILED_CCS fourcc_mod_code(INTEL, 5)
+
+/*
+ * Tiled, NV12MT, grouped in 64 (pixels) x 32 (lines) -sized macroblocks
+ *
+ * Macroblocks are laid in a Z-shape, and each pixel data is following the
+ * standard NV12 style.
+ * As for NV12, an image is the result of two frame buffers: one for Y,
+ * one for the interleaved Cb/Cr components (1/2 the height of the Y buffer).
+ * Alignment requirements are (for each buffer):
+ * - multiple of 128 pixels for the width
+ * - multiple of 32 pixels for the height
+ *
+ * For more information: see https://linuxtv.org/downloads/v4l-dvb-apis/re32.html
+ */
+#define DRM_FORMAT_MOD_SAMSUNG_64_32_TILE fourcc_mod_code(SAMSUNG, 1)
+
+/* Vivante framebuffer modifiers */
+
+/*
+ * Vivante 4x4 tiling layout
+ *
+ * This is a simple tiled layout using tiles of 4x4 pixels in a row-major
+ * layout.
+ */
+#define DRM_FORMAT_MOD_VIVANTE_TILED fourcc_mod_code(VIVANTE, 1)
+
+/*
+ * Vivante 64x64 super-tiling layout
+ *
+ * This is a tiled layout using 64x64 pixel super-tiles, where each super-tile
+ * contains 8x4 groups of 2x4 tiles of 4x4 pixels (like above) each, all in row-
+ * major layout.
+ *
+ * For more information: see
+ * https://github.com/etnaviv/etna_viv/blob/master/doc/hardware.md#texture-tiling
+ */
+#define DRM_FORMAT_MOD_VIVANTE_SUPER_TILED fourcc_mod_code(VIVANTE, 2)
+
+/*
+ * Vivante 4x4 tiling layout for dual-pipe
+ *
+ * Same as the 4x4 tiling layout, except every second 4x4 pixel tile starts at a
+ * different base address. Offsets from the base addresses are therefore halved
+ * compared to the non-split tiled layout.
+ */
+#define DRM_FORMAT_MOD_VIVANTE_SPLIT_TILED fourcc_mod_code(VIVANTE, 3)
+
+/*
+ * Vivante 64x64 super-tiling layout for dual-pipe
+ *
+ * Same as the 64x64 super-tiling layout, except every second 4x4 pixel tile
+ * starts at a different base address. Offsets from the base addresses are
+ * therefore halved compared to the non-split super-tiled layout.
+ */
+#define DRM_FORMAT_MOD_VIVANTE_SPLIT_SUPER_TILED fourcc_mod_code(VIVANTE, 4)
+
+/* NVIDIA frame buffer modifiers */
+
+/*
+ * Tegra Tiled Layout, used by Tegra 2, 3 and 4.
+ *
+ * Pixels are arranged in simple tiles of 16 x 16 bytes.
+ */
+#define DRM_FORMAT_MOD_NVIDIA_TEGRA_TILED fourcc_mod_code(NVIDIA, 1)
+
+/*
+ * 16Bx2 Block Linear layout, used by desktop GPUs, and Tegra K1 and later
+ *
+ * Pixels are arranged in 64x8 Groups Of Bytes (GOBs). GOBs are then stacked
+ * vertically by a power of 2 (1 to 32 GOBs) to form a block.
+ *
+ * Within a GOB, data is ordered as 16B x 2 lines sectors laid in Z-shape.
+ *
+ * Parameter 'v' is the log2 encoding of the number of GOBs stacked vertically.
+ * Valid values are:
+ *
+ * 0 == ONE_GOB
+ * 1 == TWO_GOBS
+ * 2 == FOUR_GOBS
+ * 3 == EIGHT_GOBS
+ * 4 == SIXTEEN_GOBS
+ * 5 == THIRTYTWO_GOBS
+ *
+ * Chapter 20 "Pixel Memory Formats" of the Tegra X1 TRM describes this format
+ * in full detail.
+ */
+#define DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK(v) \
+ fourcc_mod_code(NVIDIA, 0x10 | ((v) & 0xf))
+
+#define DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK_ONE_GOB \
+ fourcc_mod_code(NVIDIA, 0x10)
+#define DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK_TWO_GOB \
+ fourcc_mod_code(NVIDIA, 0x11)
+#define DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK_FOUR_GOB \
+ fourcc_mod_code(NVIDIA, 0x12)
+#define DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK_EIGHT_GOB \
+ fourcc_mod_code(NVIDIA, 0x13)
+#define DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK_SIXTEEN_GOB \
+ fourcc_mod_code(NVIDIA, 0x14)
+#define DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK_THIRTYTWO_GOB \
+ fourcc_mod_code(NVIDIA, 0x15)
+
+/*
+ * Broadcom VC4 "T" format
+ *
+ * This is the primary layout that the V3D GPU can texture from (it
+ * can't do linear). The T format has:
+ *
+ * - 64b utiles of pixels in a raster-order grid according to cpp. It's 4x4
+ * pixels at 32 bit depth.
+ *
+ * - 1k subtiles made of a 4x4 raster-order grid of 64b utiles (so usually
+ * 16x16 pixels).
+ *
+ * - 4k tiles made of a 2x2 grid of 1k subtiles (so usually 32x32 pixels). On
+ * even 4k tile rows, they're arranged as (BL, TL, TR, BR), and on odd rows
+ * they're (TR, BR, BL, TL), where bottom left is start of memory.
+ *
+ * - an image made of 4k tiles in rows either left-to-right (even rows of 4k
+ * tiles) or right-to-left (odd rows of 4k tiles).
+ */
+#define DRM_FORMAT_MOD_BROADCOM_VC4_T_TILED fourcc_mod_code(BROADCOM, 1)
+
+#if defined(__cplusplus)
+}
+#endif
+
+#endif /* DRM_FOURCC_H */
diff --git a/include/ui/console.h b/include/ui/console.h
index 5fca9af..6d2c052 100644
--- a/include/ui/console.h
+++ b/include/ui/console.h
@@ -386,6 +386,7 @@ QemuConsole *graphic_console_init(DeviceState *dev, uint32_t head,
void graphic_console_set_hwops(QemuConsole *con,
const GraphicHwOps *hw_ops,
void *opaque);
+void graphic_console_close(QemuConsole *con);
void graphic_hw_update(QemuConsole *con);
void graphic_hw_invalidate(QemuConsole *con);
@@ -398,6 +399,7 @@ QemuConsole *qemu_console_lookup_by_index(unsigned int index);
QemuConsole *qemu_console_lookup_by_device(DeviceState *dev, uint32_t head);
QemuConsole *qemu_console_lookup_by_device_name(const char *device_id,
uint32_t head, Error **errp);
+QemuConsole *qemu_console_lookup_unused(void);
bool qemu_console_is_visible(QemuConsole *con);
bool qemu_console_is_graphic(QemuConsole *con);
bool qemu_console_is_fixedsize(QemuConsole *con);
diff --git a/include/ui/qemu-pixman.h b/include/ui/qemu-pixman.h
index 4a67e01..b7c82d1 100644
--- a/include/ui/qemu-pixman.h
+++ b/include/ui/qemu-pixman.h
@@ -33,6 +33,8 @@
# define PIXMAN_BE_r8g8b8a8 PIXMAN_r8g8b8a8
# define PIXMAN_BE_x8b8g8r8 PIXMAN_x8b8g8r8
# define PIXMAN_BE_a8b8g8r8 PIXMAN_a8b8g8r8
+# define PIXMAN_LE_r8g8b8 PIXMAN_b8g8r8
+# define PIXMAN_LE_a8r8g8b8 PIXMAN_b8g8r8a8
# define PIXMAN_LE_x8r8g8b8 PIXMAN_b8g8r8x8
#else
# define PIXMAN_BE_r8g8b8 PIXMAN_b8g8r8
@@ -44,6 +46,8 @@
# define PIXMAN_BE_r8g8b8a8 PIXMAN_a8b8g8r8
# define PIXMAN_BE_x8b8g8r8 PIXMAN_r8g8b8x8
# define PIXMAN_BE_a8b8g8r8 PIXMAN_r8g8b8a8
+# define PIXMAN_LE_r8g8b8 PIXMAN_r8g8b8
+# define PIXMAN_LE_a8r8g8b8 PIXMAN_a8r8g8b8
# define PIXMAN_LE_x8r8g8b8 PIXMAN_x8r8g8b8
#endif
@@ -51,6 +55,7 @@
PixelFormat qemu_pixelformat_from_pixman(pixman_format_code_t format);
pixman_format_code_t qemu_default_pixman_format(int bpp, bool native_endian);
+pixman_format_code_t qemu_drm_format_to_pixman(uint32_t drm_format);
int qemu_pixman_get_type(int rshift, int gshift, int bshift);
pixman_format_code_t qemu_pixman_get_format(PixelFormat *pf);
bool qemu_pixman_check_format(DisplayChangeListener *dcl,
diff --git a/scripts/update-linux-headers.sh b/scripts/update-linux-headers.sh
index e152417..da9030a 100755
--- a/scripts/update-linux-headers.sh
+++ b/scripts/update-linux-headers.sh
@@ -39,6 +39,7 @@ cp_portable() {
-e 'input-event-codes' \
-e 'sys/' \
-e 'pvrdma_verbs' \
+ -e 'drm.h' \
> /dev/null
then
echo "Unexpected #include in input file $f".
@@ -57,6 +58,7 @@ cp_portable() {
-e 's/__attribute__((packed))/QEMU_PACKED/' \
-e 's/__inline__/inline/' \
-e 's/__BITS_PER_LONG/HOST_LONG_BITS/' \
+ -e '/\"drm.h\"/d' \
-e '/sys\/ioctl.h/d' \
-e 's/SW_MAX/SW_MAX_/' \
-e 's/atomic_t/int/' \
@@ -152,6 +154,9 @@ for i in "$tmpdir"/include/linux/*virtio*.h "$tmpdir/include/linux/input.h" \
"$tmpdir/include/linux/pci_regs.h"; do
cp_portable "$i" "$output/include/standard-headers/linux"
done
+mkdir -p "$output/include/standard-headers/drm"
+cp_portable "$tmpdir/include/drm/drm_fourcc.h" \
+ "$output/include/standard-headers/drm"
rm -rf "$output/include/standard-headers/drivers/infiniband/hw/vmw_pvrdma"
mkdir -p "$output/include/standard-headers/drivers/infiniband/hw/vmw_pvrdma"
diff --git a/ui/console.c b/ui/console.c
index a8868fc..530a4919 100644
--- a/ui/console.c
+++ b/ui/console.c
@@ -1282,11 +1282,16 @@ static QemuConsole *new_console(DisplayState *ds, console_type_t console_type,
s->console_type = console_type;
consoles = g_realloc(consoles, sizeof(*consoles) * (nb_consoles+1));
- if (console_type != GRAPHIC_CONSOLE) {
+ if (console_type != GRAPHIC_CONSOLE || qdev_hotplug) {
s->index = nb_consoles;
consoles[nb_consoles++] = s;
} else {
- /* HACK: Put graphical consoles before text consoles. */
+ /*
+ * HACK: Put graphical consoles before text consoles.
+ *
+ * Only do that for coldplugged devices. After initial device
+ * initialization we will not renumber the consoles any more.
+ */
for (i = nb_consoles; i > 0; i--) {
if (consoles[i - 1]->console_type == GRAPHIC_CONSOLE)
break;
@@ -1874,21 +1879,61 @@ QemuConsole *graphic_console_init(DeviceState *dev, uint32_t head,
int height = 480;
QemuConsole *s;
DisplayState *ds;
+ DisplaySurface *surface;
ds = get_alloc_displaystate();
- trace_console_gfx_new();
- s = new_console(ds, GRAPHIC_CONSOLE, head);
- s->ui_timer = timer_new_ms(QEMU_CLOCK_REALTIME, dpy_set_ui_info_timer, s);
+ s = qemu_console_lookup_unused();
+ if (s) {
+ trace_console_gfx_reuse(s->index);
+ if (s->surface) {
+ width = surface_width(s->surface);
+ height = surface_height(s->surface);
+ }
+ } else {
+ trace_console_gfx_new();
+ s = new_console(ds, GRAPHIC_CONSOLE, head);
+ s->ui_timer = timer_new_ms(QEMU_CLOCK_REALTIME,
+ dpy_set_ui_info_timer, s);
+ }
graphic_console_set_hwops(s, hw_ops, opaque);
if (dev) {
object_property_set_link(OBJECT(s), OBJECT(dev), "device",
&error_abort);
}
- s->surface = qemu_create_message_surface(width, height, noinit);
+ surface = qemu_create_message_surface(width, height, noinit);
+ dpy_gfx_replace_surface(s, surface);
return s;
}
+static const GraphicHwOps unused_ops = {
+ /* no callbacks */
+};
+
+void graphic_console_close(QemuConsole *con)
+{
+ static const char unplugged[] =
+ "Guest display has been unplugged";
+ DisplaySurface *surface;
+ int width = 640;
+ int height = 480;
+
+ if (con->surface) {
+ width = surface_width(con->surface);
+ height = surface_height(con->surface);
+ }
+
+ trace_console_gfx_close(con->index);
+ object_property_set_link(OBJECT(con), NULL, "device", &error_abort);
+ graphic_console_set_hwops(con, &unused_ops, NULL);
+
+ if (con->gl) {
+ dpy_gl_scanout_disable(con);
+ }
+ surface = qemu_create_message_surface(width, height, unplugged);
+ dpy_gfx_replace_surface(con, surface);
+}
+
QemuConsole *qemu_console_lookup_by_index(unsigned int index)
{
if (index >= nb_consoles) {
@@ -1945,6 +1990,28 @@ QemuConsole *qemu_console_lookup_by_device_name(const char *device_id,
return con;
}
+QemuConsole *qemu_console_lookup_unused(void)
+{
+ Object *obj;
+ int i;
+
+ for (i = 0; i < nb_consoles; i++) {
+ if (!consoles[i]) {
+ continue;
+ }
+ if (consoles[i]->hw_ops != &unused_ops) {
+ continue;
+ }
+ obj = object_property_get_link(OBJECT(consoles[i]),
+ "device", &error_abort);
+ if (obj != NULL) {
+ continue;
+ }
+ return consoles[i];
+ }
+ return NULL;
+}
+
bool qemu_console_is_visible(QemuConsole *con)
{
return (con == active_console) || (con->dcls > 0);
diff --git a/ui/qemu-pixman.c b/ui/qemu-pixman.c
index 6e591ab..3e52abd 100644
--- a/ui/qemu-pixman.c
+++ b/ui/qemu-pixman.c
@@ -6,6 +6,7 @@
#include "qemu/osdep.h"
#include "qemu-common.h"
#include "ui/console.h"
+#include "standard-headers/drm/drm_fourcc.h"
PixelFormat qemu_pixelformat_from_pixman(pixman_format_code_t format)
{
@@ -88,6 +89,27 @@ pixman_format_code_t qemu_default_pixman_format(int bpp, bool native_endian)
return 0;
}
+/* Note: drm is little endian, pixman is native endian */
+pixman_format_code_t qemu_drm_format_to_pixman(uint32_t drm_format)
+{
+ static const struct {
+ uint32_t drm_format;
+ pixman_format_code_t pixman;
+ } map[] = {
+ { DRM_FORMAT_RGB888, PIXMAN_LE_r8g8b8 },
+ { DRM_FORMAT_ARGB8888, PIXMAN_LE_a8r8g8b8 },
+ { DRM_FORMAT_XRGB8888, PIXMAN_LE_x8r8g8b8 }
+ };
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(map); i++) {
+ if (drm_format == map[i].drm_format) {
+ return map[i].pixman;
+ }
+ }
+ return 0;
+}
+
int qemu_pixman_get_type(int rshift, int gshift, int bshift)
{
int type = PIXMAN_TYPE_OTHER;
diff --git a/ui/trace-events b/ui/trace-events
index a957f36..eb4bf7f 100644
--- a/ui/trace-events
+++ b/ui/trace-events
@@ -2,6 +2,8 @@
# ui/console.c
console_gfx_new(void) ""
+console_gfx_reuse(int index) "%d"
+console_gfx_close(int index) "%d"
console_putchar_csi(int esc_param0, int esc_param1, int ch, int nb_esc_params) "escape sequence CSI%d;%d%c, %d parameters"
console_putchar_unhandled(int ch) "unhandled escape character '%c'"
console_txt_new(int w, int h) "%dx%d"
generated by cgit v1.1 at 2024-12-28 17:26:32 +0000