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[Qemu-devel] [PATCH 2/4] qxl: split qxl functions in common and pci file
From: |
Erlon Cruz |
Subject: |
[Qemu-devel] [PATCH 2/4] qxl: split qxl functions in common and pci files |
Date: |
Fri, 24 Aug 2012 16:14:35 -0300 |
From: Fabiano FidĂȘncio <address@hidden>
This commit splits qxl functions into common functions (located in
qxl.c) and pci-specific functions (located in qxl-pci.c).
All prototypes are being kept in qxl.h, as common MACROS and inline
functions. Moreover, this commit is exposing a lot of APIs, don't know
if it's the correct way to do it, but it was the only way that we saw to
do it.
Signed-off-by: Erlon R. Cruz <address@hidden>
Signed-off-by: Fabiano FidĂȘncio <address@hidden>
Signed-off-by: Rafael F. Santos <address@hidden>
---
hw/i386/Makefile.objs | 2 +-
hw/qxl-pci.c | 1607 +++++++++++++++++++++++++++++++++++++++++++++
hw/qxl.c | 1733 +------------------------------------------------
hw/qxl.h | 120 ++++
4 files changed, 1763 insertions(+), 1699 deletions(-)
create mode 100644 hw/qxl-pci.c
diff --git a/hw/i386/Makefile.objs b/hw/i386/Makefile.objs
index 8c764bb..1953e7f 100644
--- a/hw/i386/Makefile.objs
+++ b/hw/i386/Makefile.objs
@@ -10,6 +10,6 @@ obj-$(CONFIG_XEN) += xen_platform.o xen_apic.o
obj-$(CONFIG_XEN_PCI_PASSTHROUGH) += xen-host-pci-device.o
obj-$(CONFIG_XEN_PCI_PASSTHROUGH) += xen_pt.o xen_pt_config_init.o xen_pt_msi.o
obj-y += kvm/
-obj-$(CONFIG_SPICE) += qxl.o qxl-logger.o qxl-render.o
+obj-$(CONFIG_SPICE) += qxl.o qxl-logger.o qxl-render.o qxl-pci.o
obj-y := $(addprefix ../,$(obj-y))
diff --git a/hw/qxl-pci.c b/hw/qxl-pci.c
new file mode 100644
index 0000000..6b4ec45
--- /dev/null
+++ b/hw/qxl-pci.c
@@ -0,0 +1,1607 @@
+/*
+ * Copyright (C) 2010 Red Hat, Inc.
+ *
+ * written by Yaniv Kamay, Izik Eidus, Gerd Hoffmann
+ * maintained by Gerd Hoffmann <address@hidden>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 or
+ * (at your option) version 3 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "qemu-common.h"
+#include "qemu-timer.h"
+#include "qemu-queue.h"
+#include "monitor.h"
+#include "sysemu.h"
+#include "trace.h"
+
+#include "qxl.h"
+
+static QXLDevice *qxl0;
+
+void qxl_set_guest_bug(QXLDevice *qxl, const char *msg, ...)
+{
+ qxl_send_events(qxl, QXL_INTERRUPT_ERROR);
+ qxl->pci.guest_bug = 1;
+ if (qxl->pci.guestdebug) {
+ va_list ap;
+ va_start(ap, msg);
+ fprintf(stderr, "qxl-%d: guest bug: ", qxl->id);
+ vfprintf(stderr, msg, ap);
+ fprintf(stderr, "\n");
+ va_end(ap);
+ }
+}
+
+static void qxl_clear_guest_bug(QXLDevice *qxl)
+{
+ qxl->pci.guest_bug = 0;
+}
+
+static void qxl_spice_destroy_surface_wait_complete(QXLDevice *qxl,
+ uint32_t id)
+{
+ trace_qxl_spice_destroy_surface_wait_complete(qxl->id, id);
+ qemu_mutex_lock(&qxl->track_lock);
+ qxl->guest_surfaces.cmds[id] = 0;
+ qxl->guest_surfaces.count--;
+ qemu_mutex_unlock(&qxl->track_lock);
+}
+
+static void qxl_spice_destroy_surface_wait(QXLDevice *qxl, uint32_t id,
+ qxl_async_io async)
+{
+ QXLCookie *cookie;
+
+ trace_qxl_spice_destroy_surface_wait(qxl->id, id, async);
+ if (async) {
+ cookie = qxl_cookie_new(QXL_COOKIE_TYPE_IO,
+ QXL_IO_DESTROY_SURFACE_ASYNC);
+ cookie->u.surface_id = id;
+ spice_qxl_destroy_surface_async(&qxl->ssd.qxl, id, (uintptr_t)cookie);
+ } else {
+ qxl->ssd.worker->destroy_surface_wait(qxl->ssd.worker, id);
+ }
+}
+
+static void qxl_spice_flush_surfaces_async(QXLDevice *qxl)
+{
+ trace_qxl_spice_flush_surfaces_async(qxl->id, qxl->guest_surfaces.count,
+ qxl->num_free_res);
+ spice_qxl_flush_surfaces_async(&qxl->ssd.qxl,
+ (uintptr_t)qxl_cookie_new(QXL_COOKIE_TYPE_IO,
+ QXL_IO_FLUSH_SURFACES_ASYNC));
+}
+
+static void qxl_spice_destroy_surfaces_complete(QXLDevice *qxl)
+{
+ trace_qxl_spice_destroy_surfaces_complete(qxl->id);
+ qemu_mutex_lock(&qxl->track_lock);
+ memset(&qxl->guest_surfaces.cmds, 0, sizeof(qxl->guest_surfaces.cmds));
+ qxl->guest_surfaces.count = 0;
+ qemu_mutex_unlock(&qxl->track_lock);
+}
+
+static void qxl_spice_destroy_surfaces(QXLDevice *qxl, qxl_async_io async)
+{
+ trace_qxl_spice_destroy_surfaces(qxl->id, async);
+ if (async) {
+ spice_qxl_destroy_surfaces_async(&qxl->ssd.qxl,
+ (uintptr_t)qxl_cookie_new(QXL_COOKIE_TYPE_IO,
+ QXL_IO_DESTROY_ALL_SURFACES_ASYNC));
+ } else {
+ qxl->ssd.worker->destroy_surfaces(qxl->ssd.worker);
+ qxl_spice_destroy_surfaces_complete(qxl);
+ }
+}
+
+/* can be called from spice server thread context */
+static void qxl_set_dirty(MemoryRegion *mr, ram_addr_t addr, ram_addr_t end)
+{
+ memory_region_set_dirty(mr, addr, end - addr);
+}
+
+void qxl_rom_set_dirty(QXLDevice *qxl)
+{
+ qxl_set_dirty(&qxl->pci.rom_bar, 0, qxl->pci.rom_size);
+}
+
+/* called from spice server thread context only */
+void qxl_ram_set_dirty(QXLDevice *qxl, void *ptr)
+{
+ void *base = qxl->pci.vga.vram_ptr;
+ intptr_t offset;
+
+ offset = ptr - base;
+ offset &= ~(TARGET_PAGE_SIZE-1);
+ assert(offset < qxl->pci.vga.vram_size);
+ qxl_set_dirty(&qxl->pci.vga.vram, offset, offset + TARGET_PAGE_SIZE);
+}
+
+/* can be called from spice server thread context */
+void qxl_ring_set_dirty(QXLDevice *qxl)
+{
+ ram_addr_t addr = qxl->shadow_rom.ram_header_offset;
+ ram_addr_t end = qxl->pci.vga.vram_size;
+ qxl_set_dirty(&qxl->pci.vga.vram, addr, end);
+}
+
+/*
+ * keep track of some command state, for savevm/loadvm.
+ * called from spice server thread context only
+ */
+static int qxl_track_command(QXLDevice *qxl, struct QXLCommandExt *ext)
+{
+ switch (le32_to_cpu(ext->cmd.type)) {
+ case QXL_CMD_SURFACE:
+ {
+ QXLSurfaceCmd *cmd = qxl_phys2virt(qxl, ext->cmd.data, ext->group_id);
+
+ if (!cmd) {
+ return 1;
+ }
+ uint32_t id = le32_to_cpu(cmd->surface_id);
+
+ if (id >= NUM_SURFACES) {
+ qxl_set_guest_bug(qxl, "QXL_CMD_SURFACE id %d >= %d", id,
+ NUM_SURFACES);
+ return 1;
+ }
+ qemu_mutex_lock(&qxl->track_lock);
+ if (cmd->type == QXL_SURFACE_CMD_CREATE) {
+ qxl->guest_surfaces.cmds[id] = ext->cmd.data;
+ qxl->guest_surfaces.count++;
+ if (qxl->guest_surfaces.max < qxl->guest_surfaces.count)
+ qxl->guest_surfaces.max = qxl->guest_surfaces.count;
+ }
+ if (cmd->type == QXL_SURFACE_CMD_DESTROY) {
+ qxl->guest_surfaces.cmds[id] = 0;
+ qxl->guest_surfaces.count--;
+ }
+ qemu_mutex_unlock(&qxl->track_lock);
+ break;
+ }
+ case QXL_CMD_CURSOR:
+ {
+ QXLCursorCmd *cmd = qxl_phys2virt(qxl, ext->cmd.data, ext->group_id);
+
+ if (!cmd) {
+ return 1;
+ }
+ if (cmd->type == QXL_CURSOR_SET) {
+ qemu_mutex_lock(&qxl->track_lock);
+ qxl->guest_cursor = ext->cmd.data;
+ qemu_mutex_unlock(&qxl->track_lock);
+ }
+ break;
+ }
+ }
+ return 0;
+}
+
+/* spice display interface callbacks */
+
+const char *qxl_mode_to_string(int mode)
+{
+ switch (mode) {
+ case QXL_MODE_COMPAT:
+ return "compat";
+ case QXL_MODE_NATIVE:
+ return "native";
+ case QXL_MODE_UNDEFINED:
+ return "undefined";
+ case QXL_MODE_VGA:
+ return "vga";
+ }
+ return "INVALID";
+}
+
+static const char *io_port_to_string(uint32_t io_port)
+{
+ if (io_port >= QXL_IO_RANGE_SIZE) {
+ return "out of range";
+ }
+ static const char *io_port_to_string[QXL_IO_RANGE_SIZE + 1] = {
+ [QXL_IO_NOTIFY_CMD] = "QXL_IO_NOTIFY_CMD",
+ [QXL_IO_NOTIFY_CURSOR] = "QXL_IO_NOTIFY_CURSOR",
+ [QXL_IO_UPDATE_AREA] = "QXL_IO_UPDATE_AREA",
+ [QXL_IO_UPDATE_IRQ] = "QXL_IO_UPDATE_IRQ",
+ [QXL_IO_NOTIFY_OOM] = "QXL_IO_NOTIFY_OOM",
+ [QXL_IO_RESET] = "QXL_IO_RESET",
+ [QXL_IO_SET_MODE] = "QXL_IO_SET_MODE",
+ [QXL_IO_LOG] = "QXL_IO_LOG",
+ [QXL_IO_MEMSLOT_ADD] = "QXL_IO_MEMSLOT_ADD",
+ [QXL_IO_MEMSLOT_DEL] = "QXL_IO_MEMSLOT_DEL",
+ [QXL_IO_DETACH_PRIMARY] = "QXL_IO_DETACH_PRIMARY",
+ [QXL_IO_ATTACH_PRIMARY] = "QXL_IO_ATTACH_PRIMARY",
+ [QXL_IO_CREATE_PRIMARY] = "QXL_IO_CREATE_PRIMARY",
+ [QXL_IO_DESTROY_PRIMARY] = "QXL_IO_DESTROY_PRIMARY",
+ [QXL_IO_DESTROY_SURFACE_WAIT] = "QXL_IO_DESTROY_SURFACE_WAIT",
+ [QXL_IO_DESTROY_ALL_SURFACES] = "QXL_IO_DESTROY_ALL_SURFACES",
+ [QXL_IO_UPDATE_AREA_ASYNC] = "QXL_IO_UPDATE_AREA_ASYNC",
+ [QXL_IO_MEMSLOT_ADD_ASYNC] = "QXL_IO_MEMSLOT_ADD_ASYNC",
+ [QXL_IO_CREATE_PRIMARY_ASYNC] = "QXL_IO_CREATE_PRIMARY_ASYNC",
+ [QXL_IO_DESTROY_PRIMARY_ASYNC] = "QXL_IO_DESTROY_PRIMARY_ASYNC",
+ [QXL_IO_DESTROY_SURFACE_ASYNC] = "QXL_IO_DESTROY_SURFACE_ASYNC",
+ [QXL_IO_DESTROY_ALL_SURFACES_ASYNC]
+ = "QXL_IO_DESTROY_ALL_SURFACES_ASYNC",
+ [QXL_IO_FLUSH_SURFACES_ASYNC] = "QXL_IO_FLUSH_SURFACES_ASYNC",
+ [QXL_IO_FLUSH_RELEASE] = "QXL_IO_FLUSH_RELEASE",
+ };
+ return io_port_to_string[io_port];
+}
+
+static void qxl_create_guest_primary_complete(QXLDevice *d);
+
+/* called from spice server thread context only */
+int interface_get_command_pci(QXLDevice *qxl, QXLCommandExt *ext)
+{
+ SimpleSpiceUpdate *update;
+ QXLCommandRing *ring;
+ QXLCommand *cmd;
+ int notify, ret;
+
+ trace_qxl_ring_command_check(qxl->id, qxl_mode_to_string(qxl->pci.mode));
+
+ switch (qxl->pci.mode) {
+ case QXL_MODE_VGA:
+ ret = false;
+ qemu_mutex_lock(&qxl->ssd.lock);
+ if (qxl->ssd.update != NULL) {
+ update = qxl->ssd.update;
+ qxl->ssd.update = NULL;
+ *ext = update->ext;
+ ret = true;
+ }
+ qemu_mutex_unlock(&qxl->ssd.lock);
+ if (ret) {
+ trace_qxl_ring_command_get(qxl->id,
qxl_mode_to_string(qxl->pci.mode));
+ qxl_log_command(qxl, "vga", ext);
+ }
+ return ret;
+ case QXL_MODE_COMPAT:
+ case QXL_MODE_NATIVE:
+ case QXL_MODE_UNDEFINED:
+ ring = &qxl->ram->cmd_ring;
+ if (qxl->pci.guest_bug || SPICE_RING_IS_EMPTY(ring)) {
+ return false;
+ }
+ SPICE_RING_CONS_ITEM(qxl, ring, cmd);
+ if (!cmd) {
+ return false;
+ }
+ ext->cmd = *cmd;
+ ext->group_id = MEMSLOT_GROUP_GUEST;
+ ext->flags = qxl->cmdflags;
+ SPICE_RING_POP(ring, notify);
+ qxl_ring_set_dirty(qxl);
+ if (notify) {
+ qxl_send_events(qxl, QXL_INTERRUPT_DISPLAY);
+ }
+ qxl->guest_primary.commands++;
+ qxl_track_command(qxl, ext);
+ qxl_log_command(qxl, "cmd", ext);
+ trace_qxl_ring_command_get(qxl->id, qxl_mode_to_string(qxl->pci.mode));
+ return true;
+ default:
+ return false;
+ }
+}
+
+int interface_get_cursor_command_pci(QXLDevice *qxl, struct QXLCommandExt *ext)
+{
+ QXLCursorRing *ring;
+ QXLCommand *cmd;
+ int notify;
+
+ trace_qxl_ring_cursor_check(qxl->id, qxl_mode_to_string(qxl->pci.mode));
+
+ switch (qxl->pci.mode) {
+ case QXL_MODE_COMPAT:
+ case QXL_MODE_NATIVE:
+ case QXL_MODE_UNDEFINED:
+ ring = &qxl->ram->cursor_ring;
+ if (SPICE_RING_IS_EMPTY(ring)) {
+ return false;
+ }
+ SPICE_RING_CONS_ITEM(qxl, ring, cmd);
+ if (!cmd) {
+ return false;
+ }
+ ext->cmd = *cmd;
+ ext->group_id = MEMSLOT_GROUP_GUEST;
+ ext->flags = qxl->cmdflags;
+ SPICE_RING_POP(ring, notify);
+ qxl_ring_set_dirty(qxl);
+ if (notify) {
+ qxl_send_events(qxl, QXL_INTERRUPT_CURSOR);
+ }
+ qxl->guest_primary.commands++;
+ qxl_track_command(qxl, ext);
+ qxl_log_command(qxl, "csr", ext);
+ if (qxl->id == 0) {
+ qxl_render_cursor(qxl, ext);
+ }
+ trace_qxl_ring_cursor_get(qxl->id, qxl_mode_to_string(qxl->pci.mode));
+ return true;
+ default:
+ return false;
+ }
+}
+
+void interface_async_complete_io(QXLDevice *qxl, QXLCookie *cookie)
+{
+ uint32_t current_async;
+
+ qemu_mutex_lock(&qxl->async_lock);
+ current_async = qxl->current_async;
+ qxl->current_async = QXL_UNDEFINED_IO;
+ qemu_mutex_unlock(&qxl->async_lock);
+
+ trace_qxl_interface_async_complete_io(qxl->id, current_async, cookie);
+ if (!cookie) {
+ fprintf(stderr, "qxl: %s: error, cookie is NULL\n", __func__);
+ return;
+ }
+ if (cookie && current_async != cookie->io) {
+ fprintf(stderr,
+ "qxl: %s: error: current_async = %d != %"
+ PRId64 " = cookie->io\n", __func__, current_async, cookie->io);
+ }
+ switch (current_async) {
+ case QXL_IO_MEMSLOT_ADD_ASYNC:
+ case QXL_IO_DESTROY_PRIMARY_ASYNC:
+ case QXL_IO_UPDATE_AREA_ASYNC:
+ case QXL_IO_FLUSH_SURFACES_ASYNC:
+ break;
+ case QXL_IO_CREATE_PRIMARY_ASYNC:
+ qxl_create_guest_primary_complete(qxl);
+ break;
+ case QXL_IO_DESTROY_ALL_SURFACES_ASYNC:
+ qxl_spice_destroy_surfaces_complete(qxl);
+ break;
+ case QXL_IO_DESTROY_SURFACE_ASYNC:
+ qxl_spice_destroy_surface_wait_complete(qxl, cookie->u.surface_id);
+ break;
+ default:
+ fprintf(stderr, "qxl: %s: unexpected current_async %d\n", __func__,
+ current_async);
+ }
+ qxl_send_events(qxl, QXL_INTERRUPT_IO_CMD);
+}
+
+static const QXLInterface qxl_interface = {
+ .base.type = SPICE_INTERFACE_QXL,
+ .base.description = "qxl gpu",
+ .base.major_version = SPICE_INTERFACE_QXL_MAJOR,
+ .base.minor_version = SPICE_INTERFACE_QXL_MINOR,
+
+ .attache_worker = interface_attach_worker,
+ .set_compression_level = interface_set_compression_level,
+ .set_mm_time = interface_set_mm_time,
+ .get_init_info = interface_get_init_info,
+
+ /* the callbacks below are called from spice server thread context */
+ .get_command = interface_get_command,
+ .req_cmd_notification = interface_req_cmd_notification,
+ .release_resource = interface_release_resource,
+ .get_cursor_command = interface_get_cursor_command,
+ .req_cursor_notification = interface_req_cursor_notification,
+ .notify_update = interface_notify_update,
+ .flush_resources = interface_flush_resources,
+ .async_complete = interface_async_complete,
+ .update_area_complete = interface_update_area_complete,
+};
+
+static void qxl_enter_vga_mode(QXLDevice *d)
+{
+ if (d->pci.mode == QXL_MODE_VGA) {
+ return;
+ }
+ trace_qxl_enter_vga_mode(d->id);
+ qemu_spice_create_host_primary(&d->ssd);
+ d->pci.mode = QXL_MODE_VGA;
+ memset(&d->ssd.dirty, 0, sizeof(d->ssd.dirty));
+ vga_dirty_log_start(&d->pci.vga);
+}
+
+static void qxl_exit_vga_mode(QXLDevice *d)
+{
+ if (d->pci.mode != QXL_MODE_VGA) {
+ return;
+ }
+ trace_qxl_exit_vga_mode(d->id);
+ vga_dirty_log_stop(&d->pci.vga);
+ qxl_destroy_primary(d, QXL_SYNC);
+}
+
+static void qxl_update_irq(QXLDevice *d)
+{
+ uint32_t pending = le32_to_cpu(d->ram->int_pending);
+ uint32_t mask = le32_to_cpu(d->ram->int_mask);
+ int level = !!(pending & mask);
+ qemu_set_irq(d->pci.pci.irq[0], level);
+ qxl_ring_set_dirty(d);
+}
+
+static void qxl_check_state(QXLDevice *d)
+{
+ QXLRam *ram = d->ram;
+
+ assert(!d->ssd.running || SPICE_RING_IS_EMPTY(&ram->cmd_ring));
+ assert(!d->ssd.running || SPICE_RING_IS_EMPTY(&ram->cursor_ring));
+}
+
+static void qxl_reset_state(QXLDevice *d)
+{
+ QXLRom *rom = d->rom;
+
+ qxl_check_state(d);
+ d->shadow_rom.update_id = cpu_to_le32(0);
+ *rom = d->shadow_rom;
+ qxl_rom_set_dirty(d);
+ init_qxl_ram(d);
+ d->num_free_res = 0;
+ d->last_release = NULL;
+ memset(&d->ssd.dirty, 0, sizeof(d->ssd.dirty));
+}
+
+static void qxl_soft_reset(QXLDevice *d)
+{
+ trace_qxl_soft_reset(d->id);
+ qxl_check_state(d);
+ qxl_clear_guest_bug(d);
+ d->current_async = QXL_UNDEFINED_IO;
+
+ if (d->id == 0) {
+ qxl_enter_vga_mode(d);
+ } else {
+ d->pci.mode = QXL_MODE_UNDEFINED;
+ }
+}
+
+static void qxl_hard_reset(QXLDevice *d, int loadvm)
+{
+ trace_qxl_hard_reset(d->id, loadvm);
+
+ qxl_spice_reset_cursor(d);
+ qxl_spice_reset_image_cache(d);
+ qxl_reset_surfaces(d);
+ qxl_reset_memslots(d);
+
+ /* pre loadvm reset must not touch QXLRam. This lives in
+ * device memory, is migrated together with RAM and thus
+ * already loaded at this point */
+ if (!loadvm) {
+ qxl_reset_state(d);
+ }
+ qemu_spice_create_host_memslot(&d->ssd);
+ qxl_soft_reset(d);
+}
+
+static void qxl_reset_handler(DeviceState *dev)
+{
+ QXLDevice *d = (QXLDevice *) DO_UPCAST(PCIQXLDevice, pci.qdev, dev);
+
+ qxl_hard_reset(d, 0);
+}
+
+static void qxl_vga_ioport_write(void *opaque, uint32_t addr, uint32_t val)
+{
+ VGACommonState *vga = opaque;
+ QXLDevice *qxl = (QXLDevice *) container_of(vga, PCIQXLDevice, vga);
+
+ trace_qxl_io_write_vga(qxl->id, qxl_mode_to_string(qxl->pci.mode), addr,
val);
+ if (qxl->pci.mode != QXL_MODE_VGA) {
+ qxl_destroy_primary(qxl, QXL_SYNC);
+ qxl_soft_reset(qxl);
+ }
+ vga_ioport_write(opaque, addr, val);
+}
+
+static const MemoryRegionPortio qxl_vga_portio_list[] = {
+ { 0x04, 2, 1, .read = vga_ioport_read,
+ .write = qxl_vga_ioport_write }, /* 3b4 */
+ { 0x0a, 1, 1, .read = vga_ioport_read,
+ .write = qxl_vga_ioport_write }, /* 3ba */
+ { 0x10, 16, 1, .read = vga_ioport_read,
+ .write = qxl_vga_ioport_write }, /* 3c0 */
+ { 0x24, 2, 1, .read = vga_ioport_read,
+ .write = qxl_vga_ioport_write }, /* 3d4 */
+ { 0x2a, 1, 1, .read = vga_ioport_read,
+ .write = qxl_vga_ioport_write }, /* 3da */
+ PORTIO_END_OF_LIST(),
+};
+
+static int qxl_add_memslot(QXLDevice *d, uint32_t slot_id, uint64_t delta,
+ qxl_async_io async)
+{
+ static const int regions[] = {
+ QXL_RAM_RANGE_INDEX,
+ QXL_VRAM_RANGE_INDEX,
+ QXL_VRAM64_RANGE_INDEX,
+ };
+ uint64_t guest_start;
+ uint64_t guest_end;
+ int pci_region;
+ pcibus_t pci_start;
+ pcibus_t pci_end;
+ intptr_t virt_start;
+ QXLDevMemSlot memslot;
+ int i;
+
+ guest_start = le64_to_cpu(d->guest_slots[slot_id].slot.mem_start);
+ guest_end = le64_to_cpu(d->guest_slots[slot_id].slot.mem_end);
+
+ trace_qxl_memslot_add_guest(d->id, slot_id, guest_start, guest_end);
+
+ if (slot_id >= NUM_MEMSLOTS) {
+ qxl_set_guest_bug(d, "%s: slot_id >= NUM_MEMSLOTS %d >= %d", __func__,
+ slot_id, NUM_MEMSLOTS);
+ return 1;
+ }
+ if (guest_start > guest_end) {
+ qxl_set_guest_bug(d, "%s: guest_start > guest_end 0x%" PRIx64
+ " > 0x%" PRIx64, __func__, guest_start, guest_end);
+ return 1;
+ }
+
+ for (i = 0; i < ARRAY_SIZE(regions); i++) {
+ pci_region = regions[i];
+ pci_start = d->pci.pci.io_regions[pci_region].addr;
+ pci_end = pci_start + d->pci.pci.io_regions[pci_region].size;
+ /* mapped? */
+ if (pci_start == -1) {
+ continue;
+ }
+ /* start address in range ? */
+ if (guest_start < pci_start || guest_start > pci_end) {
+ continue;
+ }
+ /* end address in range ? */
+ if (guest_end > pci_end) {
+ continue;
+ }
+ /* passed */
+ break;
+ }
+ if (i == ARRAY_SIZE(regions)) {
+ qxl_set_guest_bug(d, "%s: finished loop without match", __func__);
+ return 1;
+ }
+
+ switch (pci_region) {
+ case QXL_RAM_RANGE_INDEX:
+ virt_start = (intptr_t)memory_region_get_ram_ptr(&d->pci.vga.vram);
+ break;
+ case QXL_VRAM_RANGE_INDEX:
+ case 4 /* vram 64bit */:
+ virt_start = (intptr_t)memory_region_get_ram_ptr(&d->pci.vram_bar);
+ break;
+ default:
+ /* should not happen */
+ qxl_set_guest_bug(d, "%s: pci_region = %d", __func__, pci_region);
+ return 1;
+ }
+
+ memslot.slot_id = slot_id;
+ memslot.slot_group_id = MEMSLOT_GROUP_GUEST; /* guest group */
+ memslot.virt_start = virt_start + (guest_start - pci_start);
+ memslot.virt_end = virt_start + (guest_end - pci_start);
+ memslot.addr_delta = memslot.virt_start - delta;
+ memslot.generation = d->rom->slot_generation = 0;
+ qxl_rom_set_dirty(d);
+
+ qemu_spice_add_memslot(&d->ssd, &memslot, async);
+ d->guest_slots[slot_id].ptr = (void*)memslot.virt_start;
+ d->guest_slots[slot_id].size = memslot.virt_end - memslot.virt_start;
+ d->guest_slots[slot_id].delta = delta;
+ d->guest_slots[slot_id].active = 1;
+ return 0;
+}
+
+static void qxl_del_memslot(QXLDevice *d, uint32_t slot_id)
+{
+ qemu_spice_del_memslot(&d->ssd, MEMSLOT_GROUP_HOST, slot_id);
+ d->guest_slots[slot_id].active = 0;
+}
+
+void qxl_reset_memslots(QXLDevice *d)
+{
+ qxl_spice_reset_memslots(d);
+ memset(&d->guest_slots, 0, sizeof(d->guest_slots));
+}
+
+void qxl_reset_surfaces(QXLDevice *d)
+{
+ trace_qxl_reset_surfaces(d->id);
+ d->pci.mode = QXL_MODE_UNDEFINED;
+ qxl_spice_destroy_surfaces(d, QXL_SYNC);
+}
+
+/* can be also called from spice server thread context */
+void *qxl_phys2virt(QXLDevice *qxl, QXLPHYSICAL pqxl, int group_id)
+{
+ uint64_t phys = le64_to_cpu(pqxl);
+ uint32_t slot = (phys >> (64 - 8)) & 0xff;
+ uint64_t offset = phys & 0xffffffffffff;
+
+ switch (group_id) {
+ case MEMSLOT_GROUP_HOST:
+ return (void *)(intptr_t)offset;
+ case MEMSLOT_GROUP_GUEST:
+ if (slot >= NUM_MEMSLOTS) {
+ qxl_set_guest_bug(qxl, "slot too large %d >= %d", slot,
+ NUM_MEMSLOTS);
+ return NULL;
+ }
+ if (!qxl->guest_slots[slot].active) {
+ qxl_set_guest_bug(qxl, "inactive slot %d\n", slot);
+ return NULL;
+ }
+ if (offset < qxl->guest_slots[slot].delta) {
+ qxl_set_guest_bug(qxl,
+ "slot %d offset %"PRIu64" < delta %"PRIu64"\n",
+ slot, offset, qxl->guest_slots[slot].delta);
+ return NULL;
+ }
+ offset -= qxl->guest_slots[slot].delta;
+ if (offset > qxl->guest_slots[slot].size) {
+ qxl_set_guest_bug(qxl,
+ "slot %d offset %"PRIu64" > size %"PRIu64"\n",
+ slot, offset, qxl->guest_slots[slot].size);
+ return NULL;
+ }
+ return qxl->guest_slots[slot].ptr + offset;
+ }
+ return NULL;
+}
+
+static void qxl_create_guest_primary_complete(QXLDevice *qxl)
+{
+ /* for local rendering */
+ qxl_render_resize(qxl);
+}
+
+static void qxl_create_guest_primary(QXLDevice *qxl, int loadvm,
+ qxl_async_io async)
+{
+ QXLDevSurfaceCreate surface;
+ QXLSurfaceCreate *sc = &qxl->guest_primary.surface;
+ int size;
+ int requested_height = le32_to_cpu(sc->height);
+ int requested_stride = le32_to_cpu(sc->stride);
+
+ size = abs(requested_stride) * requested_height;
+ if (size > qxl->pci.vgamem_size) {
+ qxl_set_guest_bug(qxl, "%s: requested primary larger then framebuffer"
+ " size", __func__);
+ return;
+ }
+
+ if (qxl->pci.mode == QXL_MODE_NATIVE) {
+ qxl_set_guest_bug(qxl, "%s: nop since already in QXL_MODE_NATIVE",
+ __func__);
+ }
+ qxl_exit_vga_mode(qxl);
+
+ surface.format = le32_to_cpu(sc->format);
+ surface.height = le32_to_cpu(sc->height);
+ surface.mem = le64_to_cpu(sc->mem);
+ surface.position = le32_to_cpu(sc->position);
+ surface.stride = le32_to_cpu(sc->stride);
+ surface.width = le32_to_cpu(sc->width);
+ surface.type = le32_to_cpu(sc->type);
+ surface.flags = le32_to_cpu(sc->flags);
+ trace_qxl_create_guest_primary(qxl->id, sc->width, sc->height, sc->mem,
+ sc->format, sc->position);
+ trace_qxl_create_guest_primary_rest(qxl->id, sc->stride, sc->type,
+ sc->flags);
+
+ surface.mouse_mode = true;
+ surface.group_id = MEMSLOT_GROUP_GUEST;
+ if (loadvm) {
+ surface.flags |= QXL_SURF_FLAG_KEEP_DATA;
+ }
+
+ qxl->pci.mode = QXL_MODE_NATIVE;
+ qxl->cmdflags = 0;
+ qemu_spice_create_primary_surface(&qxl->ssd, 0, &surface, async);
+
+ if (async == QXL_SYNC) {
+ qxl_create_guest_primary_complete(qxl);
+ }
+}
+
+/* return 1 if surface destoy was initiated (in QXL_ASYNC case) or
+ * done (in QXL_SYNC case), 0 otherwise. */
+int qxl_destroy_primary(QXLDevice *d, qxl_async_io async)
+{
+ if (d->pci.mode == QXL_MODE_UNDEFINED) {
+ return 0;
+ }
+ trace_qxl_destroy_primary(d->id);
+ d->pci.mode = QXL_MODE_UNDEFINED;
+ qemu_spice_destroy_primary_surface(&d->ssd, 0, async);
+ qxl_spice_reset_cursor(d);
+ return 1;
+}
+
+static void qxl_set_mode(QXLDevice *d, int modenr, int loadvm)
+{
+ pcibus_t start = d->pci.pci.io_regions[QXL_RAM_RANGE_INDEX].addr;
+ pcibus_t end = d->pci.pci.io_regions[QXL_RAM_RANGE_INDEX].size + start;
+ QXLMode *mode = d->modes->modes + modenr;
+ uint64_t devmem = d->pci.pci.io_regions[QXL_RAM_RANGE_INDEX].addr;
+ QXLMemSlot slot = {
+ .mem_start = start,
+ .mem_end = end
+ };
+ QXLSurfaceCreate surface = {
+ .width = mode->x_res,
+ .height = mode->y_res,
+ .stride = -mode->x_res * 4,
+ .format = SPICE_SURFACE_FMT_32_xRGB,
+ .flags = loadvm ? QXL_SURF_FLAG_KEEP_DATA : 0,
+ .mouse_mode = true,
+ .mem = devmem + d->shadow_rom.draw_area_offset,
+ };
+
+ trace_qxl_set_mode(d->id, modenr, mode->x_res, mode->y_res, mode->bits,
+ devmem);
+ if (!loadvm) {
+ qxl_hard_reset(d, 0);
+ }
+
+ d->guest_slots[0].slot = slot;
+ assert(qxl_add_memslot(d, 0, devmem, QXL_SYNC) == 0);
+
+ d->guest_primary.surface = surface;
+ qxl_create_guest_primary(d, 0, QXL_SYNC);
+
+ d->pci.mode = QXL_MODE_COMPAT;
+ d->cmdflags = QXL_COMMAND_FLAG_COMPAT;
+#ifdef QXL_COMMAND_FLAG_COMPAT_16BPP /* new in spice 0.6.1 */
+ if (mode->bits == 16) {
+ d->cmdflags |= QXL_COMMAND_FLAG_COMPAT_16BPP;
+ }
+#endif
+ d->shadow_rom.mode = cpu_to_le32(modenr);
+ d->rom->mode = cpu_to_le32(modenr);
+ qxl_rom_set_dirty(d);
+}
+
+static void ioport_write(void *opaque, target_phys_addr_t addr,
+ uint64_t val, unsigned size)
+{
+ QXLDevice *d = opaque;
+ uint32_t io_port = addr;
+ qxl_async_io async = QXL_SYNC;
+ uint32_t orig_io_port = io_port;
+
+ if (d->pci.guest_bug && !io_port == QXL_IO_RESET) {
+ return;
+ }
+
+ switch (io_port) {
+ case QXL_IO_RESET:
+ case QXL_IO_SET_MODE:
+ case QXL_IO_MEMSLOT_ADD:
+ case QXL_IO_MEMSLOT_DEL:
+ case QXL_IO_CREATE_PRIMARY:
+ case QXL_IO_UPDATE_IRQ:
+ case QXL_IO_LOG:
+ case QXL_IO_MEMSLOT_ADD_ASYNC:
+ case QXL_IO_CREATE_PRIMARY_ASYNC:
+ break;
+ default:
+ if (d->pci.mode != QXL_MODE_VGA) {
+ break;
+ }
+ trace_qxl_io_unexpected_vga_mode(d->id,
+ io_port, io_port_to_string(io_port));
+ /* be nice to buggy guest drivers */
+ if (io_port >= QXL_IO_UPDATE_AREA_ASYNC &&
+ io_port <= QXL_IO_DESTROY_ALL_SURFACES_ASYNC) {
+ qxl_send_events(d, QXL_INTERRUPT_IO_CMD);
+ }
+ return;
+ }
+
+ /* we change the io_port to avoid ifdeffery in the main switch */
+ orig_io_port = io_port;
+ switch (io_port) {
+ case QXL_IO_UPDATE_AREA_ASYNC:
+ io_port = QXL_IO_UPDATE_AREA;
+ goto async_common;
+ case QXL_IO_MEMSLOT_ADD_ASYNC:
+ io_port = QXL_IO_MEMSLOT_ADD;
+ goto async_common;
+ case QXL_IO_CREATE_PRIMARY_ASYNC:
+ io_port = QXL_IO_CREATE_PRIMARY;
+ goto async_common;
+ case QXL_IO_DESTROY_PRIMARY_ASYNC:
+ io_port = QXL_IO_DESTROY_PRIMARY;
+ goto async_common;
+ case QXL_IO_DESTROY_SURFACE_ASYNC:
+ io_port = QXL_IO_DESTROY_SURFACE_WAIT;
+ goto async_common;
+ case QXL_IO_DESTROY_ALL_SURFACES_ASYNC:
+ io_port = QXL_IO_DESTROY_ALL_SURFACES;
+ goto async_common;
+ case QXL_IO_FLUSH_SURFACES_ASYNC:
+async_common:
+ async = QXL_ASYNC;
+ qemu_mutex_lock(&d->async_lock);
+ if (d->current_async != QXL_UNDEFINED_IO) {
+ qxl_set_guest_bug(d, "%d async started before last (%d) complete",
+ io_port, d->current_async);
+ qemu_mutex_unlock(&d->async_lock);
+ return;
+ }
+ d->current_async = orig_io_port;
+ qemu_mutex_unlock(&d->async_lock);
+ break;
+ default:
+ break;
+ }
+ trace_qxl_io_write(d->id, qxl_mode_to_string(d->pci.mode), addr, val, size,
+ async);
+
+ switch (io_port) {
+ case QXL_IO_UPDATE_AREA:
+ {
+ QXLCookie *cookie = NULL;
+ QXLRect update = d->ram->update_area;
+
+ if (async == QXL_ASYNC) {
+ cookie = qxl_cookie_new(QXL_COOKIE_TYPE_IO,
+ QXL_IO_UPDATE_AREA_ASYNC);
+ cookie->u.area = update;
+ }
+ qxl_spice_update_area(d, d->ram->update_surface,
+ cookie ? &cookie->u.area : &update,
+ NULL, 0, 0, async, cookie);
+ break;
+ }
+ case QXL_IO_NOTIFY_CMD:
+ qemu_spice_wakeup(&d->ssd);
+ break;
+ case QXL_IO_NOTIFY_CURSOR:
+ qemu_spice_wakeup(&d->ssd);
+ break;
+ case QXL_IO_UPDATE_IRQ:
+ qxl_update_irq(d);
+ break;
+ case QXL_IO_NOTIFY_OOM:
+ if (!SPICE_RING_IS_EMPTY(&d->ram->release_ring)) {
+ break;
+ }
+ d->oom_running = 1;
+ qxl_spice_oom(d);
+ d->oom_running = 0;
+ break;
+ case QXL_IO_SET_MODE:
+ qxl_set_mode(d, val, 0);
+ break;
+ case QXL_IO_LOG:
+ if (d->pci.guestdebug) {
+ fprintf(stderr, "qxl/guest-%d: %" PRId64 ": %s", d->id,
+ qemu_get_clock_ns(vm_clock), d->ram->log_buf);
+ }
+ break;
+ case QXL_IO_RESET:
+ qxl_hard_reset(d, 0);
+ break;
+ case QXL_IO_MEMSLOT_ADD:
+ if (val >= NUM_MEMSLOTS) {
+ qxl_set_guest_bug(d, "QXL_IO_MEMSLOT_ADD: val out of range");
+ break;
+ }
+ if (d->guest_slots[val].active) {
+ qxl_set_guest_bug(d,
+ "QXL_IO_MEMSLOT_ADD: memory slot already active");
+ break;
+ }
+ d->guest_slots[val].slot = d->ram->mem_slot;
+ qxl_add_memslot(d, val, 0, async);
+ break;
+ case QXL_IO_MEMSLOT_DEL:
+ if (val >= NUM_MEMSLOTS) {
+ qxl_set_guest_bug(d, "QXL_IO_MEMSLOT_DEL: val out of range");
+ break;
+ }
+ qxl_del_memslot(d, val);
+ break;
+ case QXL_IO_CREATE_PRIMARY:
+ if (val != 0) {
+ qxl_set_guest_bug(d, "QXL_IO_CREATE_PRIMARY (async=%d): val != 0",
+ async);
+ goto cancel_async;
+ }
+ d->guest_primary.surface = d->ram->create_surface;
+ qxl_create_guest_primary(d, 0, async);
+ break;
+ case QXL_IO_DESTROY_PRIMARY:
+ if (val != 0) {
+ qxl_set_guest_bug(d, "QXL_IO_DESTROY_PRIMARY (async=%d): val != 0",
+ async);
+ goto cancel_async;
+ }
+ if (!qxl_destroy_primary(d, async)) {
+ trace_qxl_io_destroy_primary_ignored(d->id,
+
qxl_mode_to_string(d->pci.mode));
+ goto cancel_async;
+ }
+ break;
+ case QXL_IO_DESTROY_SURFACE_WAIT:
+ if (val >= NUM_SURFACES) {
+ qxl_set_guest_bug(d, "QXL_IO_DESTROY_SURFACE (async=%d):"
+ "%" PRIu64 " >= NUM_SURFACES", async, val);
+ goto cancel_async;
+ }
+ qxl_spice_destroy_surface_wait(d, val, async);
+ break;
+ case QXL_IO_FLUSH_RELEASE: {
+ QXLReleaseRing *ring = &d->ram->release_ring;
+ if (ring->prod - ring->cons + 1 == ring->num_items) {
+ fprintf(stderr,
+ "ERROR: no flush, full release ring [p%d,%dc]\n",
+ ring->prod, ring->cons);
+ }
+ qxl_push_free_res(d, 1 /* flush */);
+ break;
+ }
+ case QXL_IO_FLUSH_SURFACES_ASYNC:
+ qxl_spice_flush_surfaces_async(d);
+ break;
+ case QXL_IO_DESTROY_ALL_SURFACES:
+ d->pci.mode = QXL_MODE_UNDEFINED;
+ qxl_spice_destroy_surfaces(d, async);
+ break;
+ default:
+ qxl_set_guest_bug(d, "%s: unexpected ioport=0x%x\n", __func__,
io_port);
+ }
+ return;
+cancel_async:
+ if (async) {
+ qxl_send_events(d, QXL_INTERRUPT_IO_CMD);
+ qemu_mutex_lock(&d->async_lock);
+ d->current_async = QXL_UNDEFINED_IO;
+ qemu_mutex_unlock(&d->async_lock);
+ }
+}
+
+static uint64_t ioport_read(void *opaque, target_phys_addr_t addr,
+ unsigned size)
+{
+ QXLDevice *d = opaque;
+
+ trace_qxl_io_read_unexpected(d->id);
+ return 0xff;
+}
+
+static const MemoryRegionOps qxl_io_ops = {
+ .read = ioport_read,
+ .write = ioport_write,
+ .valid = {
+ .min_access_size = 1,
+ .max_access_size = 1,
+ },
+};
+
+static void pipe_read(void *opaque)
+{
+ QXLDevice *d = opaque;
+ char dummy;
+ int len;
+
+ do {
+ len = read(d->pipe[0], &dummy, sizeof(dummy));
+ } while (len == sizeof(dummy));
+ qxl_update_irq(d);
+}
+
+void qxl_send_events(QXLDevice *d, uint32_t events)
+{
+ uint32_t old_pending;
+ uint32_t le_events = cpu_to_le32(events);
+
+ assert(d->ssd.running);
+ old_pending = __sync_fetch_and_or(&d->ram->int_pending, le_events);
+ if ((old_pending & le_events) == le_events) {
+ return;
+ }
+ if (qemu_thread_is_self(&d->main)) {
+ qxl_update_irq(d);
+ } else {
+ if (write(d->pipe[1], d, 1) != 1) {
+ dprint(d, 1, "%s: write to pipe failed\n", __func__);
+ }
+ }
+}
+
+static void init_pipe_signaling(QXLDevice *d)
+{
+ if (pipe(d->pipe) < 0) {
+ fprintf(stderr, "%s:%s: qxl pipe creation failed\n",
+ __FILE__, __func__);
+ exit(1);
+ }
+ fcntl(d->pipe[0], F_SETFL, O_NONBLOCK);
+ fcntl(d->pipe[1], F_SETFL, O_NONBLOCK);
+ fcntl(d->pipe[0], F_SETOWN, getpid());
+
+ qemu_thread_get_self(&d->main);
+ qemu_set_fd_handler(d->pipe[0], pipe_read, NULL, d);
+}
+
+/* graphics console */
+
+static void qxl_hw_update(void *opaque)
+{
+ QXLDevice *qxl = opaque;
+ VGACommonState *vga = &qxl->pci.vga;
+
+ switch (qxl->pci.mode) {
+ case QXL_MODE_VGA:
+ vga->update(vga);
+ break;
+ case QXL_MODE_COMPAT:
+ case QXL_MODE_NATIVE:
+ qxl_render_update(qxl);
+ break;
+ default:
+ break;
+ }
+}
+
+static void qxl_hw_invalidate(void *opaque)
+{
+ QXLDevice *qxl = opaque;
+ VGACommonState *vga = &qxl->pci.vga;
+
+ vga->invalidate(vga);
+}
+
+static void qxl_hw_screen_dump(void *opaque, const char *filename, bool
cswitch)
+{
+ QXLDevice *qxl = opaque;
+ VGACommonState *vga = &qxl->pci.vga;
+
+ switch (qxl->pci.mode) {
+ case QXL_MODE_COMPAT:
+ case QXL_MODE_NATIVE:
+ qxl_render_update(qxl);
+ ppm_save(filename, qxl->ssd.ds->surface);
+ break;
+ case QXL_MODE_VGA:
+ vga->screen_dump(vga, filename, cswitch);
+ break;
+ default:
+ break;
+ }
+}
+
+static void qxl_hw_text_update(void *opaque, console_ch_t *chardata)
+{
+ QXLDevice *qxl = opaque;
+ VGACommonState *vga = &qxl->pci.vga;
+
+ if (qxl->pci.mode == QXL_MODE_VGA) {
+ vga->text_update(vga, chardata);
+ return;
+ }
+}
+
+static void qxl_dirty_surfaces(QXLDevice *qxl)
+{
+ intptr_t vram_start;
+ int i;
+
+ if (qxl->pci.mode != QXL_MODE_NATIVE && qxl->pci.mode != QXL_MODE_COMPAT) {
+ return;
+ }
+
+ /* dirty the primary surface */
+ qxl_set_dirty(&qxl->pci.vga.vram, qxl->shadow_rom.draw_area_offset,
+ qxl->shadow_rom.surface0_area_size);
+
+ vram_start = (intptr_t)memory_region_get_ram_ptr(&qxl->pci.vram_bar);
+
+ /* dirty the off-screen surfaces */
+ for (i = 0; i < NUM_SURFACES; i++) {
+ QXLSurfaceCmd *cmd;
+ intptr_t surface_offset;
+ int surface_size;
+
+ if (qxl->guest_surfaces.cmds[i] == 0) {
+ continue;
+ }
+
+ cmd = qxl_phys2virt(qxl, qxl->guest_surfaces.cmds[i],
+ MEMSLOT_GROUP_GUEST);
+ assert(cmd);
+ assert(cmd->type == QXL_SURFACE_CMD_CREATE);
+ surface_offset = (intptr_t)qxl_phys2virt(qxl,
+ cmd->u.surface_create.data,
+ MEMSLOT_GROUP_GUEST);
+ assert(surface_offset);
+ surface_offset -= vram_start;
+ surface_size = cmd->u.surface_create.height *
+ abs(cmd->u.surface_create.stride);
+ trace_qxl_surfaces_dirty(qxl->id, i, (int)surface_offset,
surface_size);
+ qxl_set_dirty(&qxl->pci.vram_bar, surface_offset, surface_size);
+ }
+}
+
+static void qxl_vm_change_state_handler(void *opaque, int running,
+ RunState state)
+{
+ QXLDevice *qxl = opaque;
+ qemu_spice_vm_change_state_handler(&qxl->ssd, running, state);
+
+ if (running) {
+ /*
+ * if qxl_send_events was called from spice server context before
+ * migration ended, qxl_update_irq for these events might not have been
+ * called
+ */
+ qxl_update_irq(qxl);
+ } else {
+ /* make sure surfaces are saved before migration */
+ qxl_dirty_surfaces(qxl);
+ }
+}
+
+/* display change listener */
+
+static void display_update(struct DisplayState *ds, int x, int y, int w, int h)
+{
+ if (qxl0->pci.mode == QXL_MODE_VGA) {
+ qemu_spice_display_update(&qxl0->ssd, x, y, w, h);
+ }
+}
+
+static void display_resize(struct DisplayState *ds)
+{
+ if (qxl0->pci.mode == QXL_MODE_VGA) {
+ qemu_spice_display_resize(&qxl0->ssd);
+ }
+}
+
+static void display_refresh(struct DisplayState *ds)
+{
+ if (qxl0->pci.mode == QXL_MODE_VGA) {
+ qemu_spice_display_refresh(&qxl0->ssd);
+ } else {
+ qemu_mutex_lock(&qxl0->ssd.lock);
+ qemu_spice_cursor_refresh_unlocked(&qxl0->ssd);
+ qemu_mutex_unlock(&qxl0->ssd.lock);
+ }
+}
+
+static DisplayChangeListener display_listener = {
+ .dpy_update = display_update,
+ .dpy_resize = display_resize,
+ .dpy_refresh = display_refresh,
+};
+
+static void qxl_init_ramsize(QXLDevice *qxl)
+{
+ /* vga mode framebuffer / primary surface (bar 0, first part) */
+ if (qxl->pci.vgamem_size_mb < 8) {
+ qxl->pci.vgamem_size_mb = 8;
+ }
+ qxl->pci.vgamem_size = qxl->pci.vgamem_size_mb * 1024 * 1024;
+
+ /* vga ram (bar 0, total) */
+ if (qxl->ram_size_mb != -1) {
+ qxl->pci.vga.vram_size = qxl->ram_size_mb * 1024 * 1024;
+ }
+ if (qxl->pci.vga.vram_size < qxl->pci.vgamem_size * 2) {
+ qxl->pci.vga.vram_size = qxl->pci.vgamem_size * 2;
+ }
+
+ /* vram32 (surfaces, 32bit, bar 1) */
+ if (qxl->vram32_size_mb != -1) {
+ qxl->vram32_size = qxl->vram32_size_mb * 1024 * 1024;
+ }
+ if (qxl->vram32_size < 4096) {
+ qxl->vram32_size = 4096;
+ }
+
+ /* vram (surfaces, 64bit, bar 4+5) */
+ if (qxl->vram_size_mb != -1) {
+ qxl->vram_size = qxl->vram_size_mb * 1024 * 1024;
+ }
+ if (qxl->vram_size < qxl->vram32_size) {
+ qxl->vram_size = qxl->vram32_size;
+ }
+
+ if (qxl->pci.revision == 1) {
+ qxl->vram32_size = 4096;
+ qxl->vram_size = 4096;
+ }
+ qxl->pci.vgamem_size = msb_mask(qxl->pci.vgamem_size * 2 - 1);
+ qxl->pci.vga.vram_size = msb_mask(qxl->pci.vga.vram_size * 2 - 1);
+ qxl->vram32_size = msb_mask(qxl->vram32_size * 2 - 1);
+ qxl->vram_size = msb_mask(qxl->vram_size * 2 - 1);
+}
+
+static int qxl_init_common(QXLDevice *qxl)
+{
+ uint8_t* config = qxl->pci.pci.config;
+ uint32_t pci_device_rev;
+ uint32_t io_size;
+
+ qxl->pci.mode = QXL_MODE_UNDEFINED;
+ qxl->pci.generation = 1;
+ qxl->num_memslots = NUM_MEMSLOTS;
+ qxl->num_surfaces = NUM_SURFACES;
+ qemu_mutex_init(&qxl->track_lock);
+ qemu_mutex_init(&qxl->async_lock);
+ qxl->current_async = QXL_UNDEFINED_IO;
+ qxl->pci.guest_bug = 0;
+
+ switch (qxl->pci.revision) {
+ case 1: /* spice 0.4 -- qxl-1 */
+ pci_device_rev = QXL_REVISION_STABLE_V04;
+ io_size = 8;
+ break;
+ case 2: /* spice 0.6 -- qxl-2 */
+ pci_device_rev = QXL_REVISION_STABLE_V06;
+ io_size = 16;
+ break;
+ case 3: /* qxl-3 */
+ default:
+ pci_device_rev = QXL_DEFAULT_REVISION;
+ io_size = msb_mask(QXL_IO_RANGE_SIZE * 2 - 1);
+ break;
+ }
+
+ pci_set_byte(&config[PCI_REVISION_ID], pci_device_rev);
+ pci_set_byte(&config[PCI_INTERRUPT_PIN], 1);
+
+ qxl->pci.rom_size = qxl_rom_size();
+ memory_region_init_ram(&qxl->pci.rom_bar,"qxl-pci.vrom",
+ qxl->pci.rom_size);
+ vmstate_register_ram(&qxl->pci.rom_bar, &qxl->pci.pci.qdev);
+ init_qxl_rom(qxl);
+ init_qxl_ram(qxl);
+
+ memory_region_init_ram(&qxl->pci.vram_bar, "qxl-pci.vram",
+ qxl->vram_size);
+ vmstate_register_ram(&qxl->pci.vram_bar, &qxl->pci.pci.qdev);
+ memory_region_init_alias(&qxl->pci.vram32_bar, "qxl-pci.vram32",
+ &qxl->pci.vram_bar, 0, qxl->vram32_size);
+
+ memory_region_init_io(&qxl->pci.io_bar, &qxl_io_ops, qxl,
+ "qxl-pci.ioports", io_size);
+ if (qxl->id == 0) {
+ vga_dirty_log_start(&qxl->pci.vga);
+ }
+
+
+ pci_register_bar(&qxl->pci.pci, QXL_IO_RANGE_INDEX,
+ PCI_BASE_ADDRESS_SPACE_IO, &qxl->pci.io_bar);
+
+ pci_register_bar(&qxl->pci.pci, QXL_ROM_RANGE_INDEX,
+ PCI_BASE_ADDRESS_SPACE_MEMORY, &qxl->pci.rom_bar);
+
+ pci_register_bar(&qxl->pci.pci, QXL_RAM_RANGE_INDEX,
+ PCI_BASE_ADDRESS_SPACE_MEMORY, &qxl->pci.vga.vram);
+
+ pci_register_bar(&qxl->pci.pci, QXL_VRAM_RANGE_INDEX,
+ PCI_BASE_ADDRESS_SPACE_MEMORY, &qxl->pci.vram32_bar);
+
+ if (qxl->vram32_size < qxl->vram_size) {
+ /*
+ * Make the 64bit vram bar show up only in case it is
+ * configured to be larger than the 32bit vram bar.
+ */
+ pci_register_bar(&qxl->pci.pci, QXL_VRAM64_RANGE_INDEX,
+ PCI_BASE_ADDRESS_SPACE_MEMORY |
+ PCI_BASE_ADDRESS_MEM_TYPE_64 |
+ PCI_BASE_ADDRESS_MEM_PREFETCH,
+ &qxl->pci.vram_bar);
+ }
+
+ /* print pci bar details */
+ dprint(qxl, 1, "ram/%s: %d MB [region 0]\n",
+ qxl->id == 0 ? "pri" : "sec",
+ qxl->pci.vga.vram_size / (1024*1024));
+ dprint(qxl, 1, "vram/32: %d MB [region 1]\n",
+ qxl->vram32_size / (1024*1024));
+ dprint(qxl, 1, "vram/64: %d MB %s\n",
+ qxl->vram_size / (1024*1024),
+ qxl->vram32_size < qxl->vram_size ? "[region 4]" : "[unmapped]");
+
+ qxl->ssd.qxl.base.sif = &qxl_interface.base;
+ qxl->ssd.qxl.id = qxl->id;
+ qemu_spice_add_interface(&qxl->ssd.qxl.base);
+ qemu_add_vm_change_state_handler(qxl_vm_change_state_handler, qxl);
+
+ init_pipe_signaling(qxl);
+ qxl_reset_state(qxl);
+
+ qxl->update_area_bh = qemu_bh_new(qxl_render_update_area_bh, qxl);
+
+ return 0;
+}
+
+static int qxl_init_primary(PCIDevice *dev)
+{
+ QXLDevice *qxl = (QXLDevice *) DO_UPCAST(PCIQXLDevice, pci, dev);
+ VGACommonState *vga = &qxl->pci.vga;
+ PortioList *qxl_vga_port_list = g_new(PortioList, 1);
+
+ qxl->id = 0;
+ qxl_init_ramsize(qxl);
+ vga->vram_size_mb = qxl->pci.vga.vram_size >> 20;
+ vga_common_init(vga);
+ vga_init(vga, pci_address_space(dev), pci_address_space_io(dev), false);
+ portio_list_init(qxl_vga_port_list, qxl_vga_portio_list, vga, "vga");
+ portio_list_add(qxl_vga_port_list, pci_address_space_io(dev), 0x3b0);
+
+ vga->ds = graphic_console_init(qxl_hw_update, qxl_hw_invalidate,
+ qxl_hw_screen_dump, qxl_hw_text_update,
qxl);
+ qemu_spice_display_init_common(&qxl->ssd, vga->ds);
+
+ qxl0 = qxl;
+ register_displaychangelistener(vga->ds, &display_listener);
+
+ return qxl_init_common(qxl);
+}
+
+static int qxl_init_secondary(PCIDevice *dev)
+{
+ static int device_id = 1;
+ QXLDevice *qxl = (QXLDevice *) DO_UPCAST(PCIQXLDevice, pci, dev);
+
+ qxl->id = device_id++;
+ qxl_init_ramsize(qxl);
+ memory_region_init_ram(&qxl->pci.vga.vram, "qxl-pci.vgavram",
qxl->pci.vga.vram_size);
+ vmstate_register_ram(&qxl->pci.vga.vram, &qxl->pci.pci.qdev);
+ qxl->pci.vga.vram_ptr = memory_region_get_ram_ptr(&qxl->pci.vga.vram);
+
+ return qxl_init_common(qxl);
+}
+
+static void qxl_pre_save(void *opaque)
+{
+ QXLDevice* d = opaque;
+ uint8_t *ram_start = d->pci.vga.vram_ptr;
+
+ trace_qxl_pre_save(d->id);
+ if (d->last_release == NULL) {
+ d->last_release_offset = 0;
+ } else {
+ d->last_release_offset = (uint8_t *)d->last_release - ram_start;
+ }
+ assert(d->last_release_offset < d->pci.vga.vram_size);
+}
+
+static int qxl_pre_load(void *opaque)
+{
+ QXLDevice* d = opaque;
+
+ trace_qxl_pre_load(d->id);
+ qxl_hard_reset(d, 1);
+ qxl_exit_vga_mode(d);
+ return 0;
+}
+
+static void qxl_create_memslots(QXLDevice *d)
+{
+ int i;
+
+ for (i = 0; i < NUM_MEMSLOTS; i++) {
+ if (!d->guest_slots[i].active) {
+ continue;
+ }
+ qxl_add_memslot(d, i, 0, QXL_SYNC);
+ }
+}
+
+static int qxl_post_load(void *opaque, int version)
+{
+ QXLDevice *d = opaque;
+ uint8_t *ram_start = d->pci.vga.vram_ptr;
+ QXLCommandExt *cmds;
+ int in, out, newmode;
+
+ assert(d->last_release_offset < d->pci.vga.vram_size);
+ if (d->last_release_offset == 0) {
+ d->last_release = NULL;
+ } else {
+ d->last_release = (QXLReleaseInfo *)(ram_start +
d->last_release_offset);
+ }
+
+ d->modes = (QXLModes*)((uint8_t*)d->rom + d->rom->modes_offset);
+
+ trace_qxl_post_load(d->id, qxl_mode_to_string(d->pci.mode));
+ newmode = d->pci.mode;
+ d->pci.mode = QXL_MODE_UNDEFINED;
+
+ switch (newmode) {
+ case QXL_MODE_UNDEFINED:
+ break;
+ case QXL_MODE_VGA:
+ qxl_create_memslots(d);
+ qxl_enter_vga_mode(d);
+ break;
+ case QXL_MODE_NATIVE:
+ qxl_create_memslots(d);
+ qxl_create_guest_primary(d, 1, QXL_SYNC);
+
+ /* replay surface-create and cursor-set commands */
+ cmds = g_malloc0(sizeof(QXLCommandExt) * (NUM_SURFACES + 1));
+ for (in = 0, out = 0; in < NUM_SURFACES; in++) {
+ if (d->guest_surfaces.cmds[in] == 0) {
+ continue;
+ }
+ cmds[out].cmd.data = d->guest_surfaces.cmds[in];
+ cmds[out].cmd.type = QXL_CMD_SURFACE;
+ cmds[out].group_id = MEMSLOT_GROUP_GUEST;
+ out++;
+ }
+ if (d->guest_cursor) {
+ cmds[out].cmd.data = d->guest_cursor;
+ cmds[out].cmd.type = QXL_CMD_CURSOR;
+ cmds[out].group_id = MEMSLOT_GROUP_GUEST;
+ out++;
+ }
+ qxl_spice_loadvm_commands(d, cmds, out);
+ g_free(cmds);
+
+ break;
+ case QXL_MODE_COMPAT:
+ /* note: no need to call qxl_create_memslots, qxl_set_mode
+ * creates the mem slot. */
+ qxl_set_mode(d, d->shadow_rom.mode, 1);
+ break;
+ }
+ return 0;
+}
+
+#define QXL_SAVE_VERSION 21
+
+static VMStateDescription qxl_memslot = {
+ .name = "qxl-memslot",
+ .version_id = QXL_SAVE_VERSION,
+ .minimum_version_id = QXL_SAVE_VERSION,
+ .fields = (VMStateField[]) {
+ VMSTATE_UINT64(slot.mem_start, struct guest_slots),
+ VMSTATE_UINT64(slot.mem_end, struct guest_slots),
+ VMSTATE_UINT32(active, struct guest_slots),
+ VMSTATE_END_OF_LIST()
+ }
+};
+
+static VMStateDescription qxl_surface = {
+ .name = "qxl-surface",
+ .version_id = QXL_SAVE_VERSION,
+ .minimum_version_id = QXL_SAVE_VERSION,
+ .fields = (VMStateField[]) {
+ VMSTATE_UINT32(width, QXLSurfaceCreate),
+ VMSTATE_UINT32(height, QXLSurfaceCreate),
+ VMSTATE_INT32(stride, QXLSurfaceCreate),
+ VMSTATE_UINT32(format, QXLSurfaceCreate),
+ VMSTATE_UINT32(position, QXLSurfaceCreate),
+ VMSTATE_UINT32(mouse_mode, QXLSurfaceCreate),
+ VMSTATE_UINT32(flags, QXLSurfaceCreate),
+ VMSTATE_UINT32(type, QXLSurfaceCreate),
+ VMSTATE_UINT64(mem, QXLSurfaceCreate),
+ VMSTATE_END_OF_LIST()
+ }
+};
+
+static VMStateDescription qxl_vmstate = {
+ .name = "qxl",
+ .version_id = QXL_SAVE_VERSION,
+ .minimum_version_id = QXL_SAVE_VERSION,
+ .pre_save = qxl_pre_save,
+ .pre_load = qxl_pre_load,
+ .post_load = qxl_post_load,
+ .fields = (VMStateField []) {
+ VMSTATE_PCI_DEVICE(pci, PCIQXLDevice),
+ VMSTATE_STRUCT(vga, PCIQXLDevice, 0, vmstate_vga_common,
VGACommonState),
+ VMSTATE_UINT32(shadow_rom.mode, QXLDevice),
+ VMSTATE_UINT32(num_free_res, QXLDevice),
+ VMSTATE_UINT32(last_release_offset, QXLDevice),
+ VMSTATE_UINT32(mode, PCIQXLDevice),
+ VMSTATE_UINT32(ssd.unique, QXLDevice),
+ VMSTATE_INT32_EQUAL(num_memslots, QXLDevice),
+ VMSTATE_STRUCT_ARRAY(guest_slots, QXLDevice, NUM_MEMSLOTS, 0,
+ qxl_memslot, struct guest_slots),
+ VMSTATE_STRUCT(guest_primary.surface, QXLDevice, 0,
+ qxl_surface, QXLSurfaceCreate),
+ VMSTATE_INT32_EQUAL(num_surfaces, QXLDevice),
+ VMSTATE_ARRAY(guest_surfaces.cmds, QXLDevice, NUM_SURFACES, 0,
+ vmstate_info_uint64, uint64_t),
+ VMSTATE_UINT64(guest_cursor, QXLDevice),
+ VMSTATE_END_OF_LIST()
+ },
+};
+
+static Property qxl_properties[] = {
+ DEFINE_PROP_UINT32("ram_size", PCIQXLDevice, vga.vram_size,
+ 64 * 1024 * 1024),
+ DEFINE_PROP_UINT32("vram_size", QXLDevice, vram32_size,
+ 64 * 1024 * 1024),
+ DEFINE_PROP_UINT32("revision", PCIQXLDevice, revision,
+ QXL_DEFAULT_REVISION),
+ DEFINE_PROP_UINT32("debug", QXLDevice, debug, 0),
+ DEFINE_PROP_UINT32("guestdebug", PCIQXLDevice, guestdebug, 0),
+ DEFINE_PROP_UINT32("cmdlog", PCIQXLDevice, cmdlog, 0),
+ DEFINE_PROP_UINT32("ram_size_mb", QXLDevice, ram_size_mb, -1),
+ DEFINE_PROP_UINT32("vram_size_mb", QXLDevice, vram32_size_mb, -1),
+ DEFINE_PROP_UINT32("vram64_size_mb", QXLDevice, vram_size_mb, -1),
+ DEFINE_PROP_UINT32("vgamem_mb", PCIQXLDevice, vgamem_size_mb, 16),
+ DEFINE_PROP_END_OF_LIST(),
+};
+
+static void qxl_primary_class_init(ObjectClass *klass, void *data)
+{
+ DeviceClass *dc = DEVICE_CLASS(klass);
+ PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
+
+ k->no_hotplug = 1;
+ k->init = qxl_init_primary;
+ k->romfile = "vgabios-qxl.bin";
+ k->vendor_id = REDHAT_PCI_VENDOR_ID;
+ k->device_id = QXL_DEVICE_ID_STABLE;
+ k->class_id = PCI_CLASS_DISPLAY_VGA;
+ dc->desc = "Spice QXL GPU (primary, vga compatible)";
+ dc->reset = qxl_reset_handler;
+ dc->vmsd = &qxl_vmstate;
+ dc->props = qxl_properties;
+}
+
+static TypeInfo qxl_primary_info = {
+ .name = "qxl-vga",
+ .parent = TYPE_PCI_DEVICE,
+ .instance_size = sizeof(QXLDevice),
+ .class_init = qxl_primary_class_init,
+};
+
+static void qxl_secondary_class_init(ObjectClass *klass, void *data)
+{
+ DeviceClass *dc = DEVICE_CLASS(klass);
+ PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
+
+ k->init = qxl_init_secondary;
+ k->vendor_id = REDHAT_PCI_VENDOR_ID;
+ k->device_id = QXL_DEVICE_ID_STABLE;
+ k->class_id = PCI_CLASS_DISPLAY_OTHER;
+ dc->desc = "Spice QXL GPU (secondary)";
+ dc->reset = qxl_reset_handler;
+ dc->vmsd = &qxl_vmstate;
+ dc->props = qxl_properties;
+}
+
+static TypeInfo qxl_secondary_info = {
+ .name = "qxl",
+ .parent = TYPE_PCI_DEVICE,
+ .instance_size = sizeof(QXLDevice),
+ .class_init = qxl_secondary_class_init,
+};
+
+static void qxl_register_types(void)
+{
+ type_register_static(&qxl_primary_info);
+ type_register_static(&qxl_secondary_info);
+}
+
+type_init(qxl_register_types)
diff --git a/hw/qxl.c b/hw/qxl.c
index c8a36aa..c9a63e2 100644
--- a/hw/qxl.c
+++ b/hw/qxl.c
@@ -27,44 +27,6 @@
#include "qxl.h"
-/*
- * NOTE: SPICE_RING_PROD_ITEM accesses memory on the pci bar and as
- * such can be changed by the guest, so to avoid a guest trigerrable
- * abort we just qxl_set_guest_bug and set the return to NULL. Still
- * it may happen as a result of emulator bug as well.
- */
-#undef SPICE_RING_PROD_ITEM
-#define SPICE_RING_PROD_ITEM(qxl, r, ret) { \
- typeof(r) start = r; \
- typeof(r) end = r + 1; \
- uint32_t prod = (r)->prod & SPICE_RING_INDEX_MASK(r); \
- typeof(&(r)->items[prod]) m_item = &(r)->items[prod]; \
- if (!((uint8_t*)m_item >= (uint8_t*)(start) && (uint8_t*)(m_item + 1)
<= (uint8_t*)(end))) { \
- qxl_set_guest_bug(qxl, "SPICE_RING_PROD_ITEM indices mismatch " \
- "! %p <= %p < %p", (uint8_t *)start, \
- (uint8_t *)m_item, (uint8_t *)end); \
- ret = NULL; \
- } else { \
- ret = &m_item->el; \
- } \
- }
-
-#undef SPICE_RING_CONS_ITEM
-#define SPICE_RING_CONS_ITEM(qxl, r, ret) { \
- typeof(r) start = r; \
- typeof(r) end = r + 1; \
- uint32_t cons = (r)->cons & SPICE_RING_INDEX_MASK(r); \
- typeof(&(r)->items[cons]) m_item = &(r)->items[cons]; \
- if (!((uint8_t*)m_item >= (uint8_t*)(start) && (uint8_t*)(m_item + 1)
<= (uint8_t*)(end))) { \
- qxl_set_guest_bug(qxl, "SPICE_RING_CONS_ITEM indices mismatch " \
- "! %p <= %p < %p", (uint8_t *)start, \
- (uint8_t *)m_item, (uint8_t *)end); \
- ret = NULL; \
- } else { \
- ret = &m_item->el; \
- } \
- }
-
#undef ALIGN
#define ALIGN(a, b) (((a) + ((b) - 1)) & ~((b) - 1))
@@ -126,88 +88,6 @@ static QXLMode qxl_modes[] = {
QXL_MODE_EX(3200, 2400),
};
-static QXLDevice *qxl0;
-
-static void qxl_send_events(QXLDevice *d, uint32_t events);
-static int qxl_destroy_primary(QXLDevice *d, qxl_async_io async);
-static void qxl_reset_memslots(QXLDevice *d);
-static void qxl_reset_surfaces(QXLDevice *d);
-static void qxl_ring_set_dirty(QXLDevice *qxl);
-
-void qxl_set_guest_bug(QXLDevice *qxl, const char *msg, ...)
-{
- qxl_send_events(qxl, QXL_INTERRUPT_ERROR);
- qxl->pci.guest_bug = 1;
- if (qxl->pci.guestdebug) {
- va_list ap;
- va_start(ap, msg);
- fprintf(stderr, "qxl-%d: guest bug: ", qxl->id);
- vfprintf(stderr, msg, ap);
- fprintf(stderr, "\n");
- va_end(ap);
- }
-}
-
-static void qxl_clear_guest_bug(QXLDevice *qxl)
-{
- qxl->pci.guest_bug = 0;
-}
-
-void qxl_spice_update_area(QXLDevice *qxl, uint32_t surface_id,
- struct QXLRect *area, struct QXLRect *dirty_rects,
- uint32_t num_dirty_rects,
- uint32_t clear_dirty_region,
- qxl_async_io async, struct QXLCookie *cookie)
-{
- trace_qxl_spice_update_area(qxl->id, surface_id, area->left, area->right,
- area->top, area->bottom);
- trace_qxl_spice_update_area_rest(qxl->id, num_dirty_rects,
- clear_dirty_region);
- if (async == QXL_SYNC) {
- qxl->ssd.worker->update_area(qxl->ssd.worker, surface_id, area,
- dirty_rects, num_dirty_rects, clear_dirty_region);
- } else {
- assert(cookie != NULL);
- spice_qxl_update_area_async(&qxl->ssd.qxl, surface_id, area,
- clear_dirty_region, (uintptr_t)cookie);
- }
-}
-
-static void qxl_spice_destroy_surface_wait_complete(QXLDevice *qxl,
- uint32_t id)
-{
- trace_qxl_spice_destroy_surface_wait_complete(qxl->id, id);
- qemu_mutex_lock(&qxl->track_lock);
- qxl->guest_surfaces.cmds[id] = 0;
- qxl->guest_surfaces.count--;
- qemu_mutex_unlock(&qxl->track_lock);
-}
-
-static void qxl_spice_destroy_surface_wait(QXLDevice *qxl, uint32_t id,
- qxl_async_io async)
-{
- QXLCookie *cookie;
-
- trace_qxl_spice_destroy_surface_wait(qxl->id, id, async);
- if (async) {
- cookie = qxl_cookie_new(QXL_COOKIE_TYPE_IO,
- QXL_IO_DESTROY_SURFACE_ASYNC);
- cookie->u.surface_id = id;
- spice_qxl_destroy_surface_async(&qxl->ssd.qxl, id, (uintptr_t)cookie);
- } else {
- qxl->ssd.worker->destroy_surface_wait(qxl->ssd.worker, id);
- }
-}
-
-static void qxl_spice_flush_surfaces_async(QXLDevice *qxl)
-{
- trace_qxl_spice_flush_surfaces_async(qxl->id, qxl->guest_surfaces.count,
- qxl->num_free_res);
- spice_qxl_flush_surfaces_async(&qxl->ssd.qxl,
- (uintptr_t)qxl_cookie_new(QXL_COOKIE_TYPE_IO,
- QXL_IO_FLUSH_SURFACES_ASYNC));
-}
-
void qxl_spice_loadvm_commands(QXLDevice *qxl, struct QXLCommandExt *ext,
uint32_t count)
{
@@ -227,28 +107,6 @@ void qxl_spice_reset_memslots(QXLDevice *qxl)
qxl->ssd.worker->reset_memslots(qxl->ssd.worker);
}
-static void qxl_spice_destroy_surfaces_complete(QXLDevice *qxl)
-{
- trace_qxl_spice_destroy_surfaces_complete(qxl->id);
- qemu_mutex_lock(&qxl->track_lock);
- memset(&qxl->guest_surfaces.cmds, 0, sizeof(qxl->guest_surfaces.cmds));
- qxl->guest_surfaces.count = 0;
- qemu_mutex_unlock(&qxl->track_lock);
-}
-
-static void qxl_spice_destroy_surfaces(QXLDevice *qxl, qxl_async_io async)
-{
- trace_qxl_spice_destroy_surfaces(qxl->id, async);
- if (async) {
- spice_qxl_destroy_surfaces_async(&qxl->ssd.qxl,
- (uintptr_t)qxl_cookie_new(QXL_COOKIE_TYPE_IO,
- QXL_IO_DESTROY_ALL_SURFACES_ASYNC));
- } else {
- qxl->ssd.worker->destroy_surfaces(qxl->ssd.worker);
- qxl_spice_destroy_surfaces_complete(qxl);
- }
-}
-
void qxl_spice_reset_image_cache(QXLDevice *qxl)
{
trace_qxl_spice_reset_image_cache(qxl->id);
@@ -264,20 +122,27 @@ void qxl_spice_reset_cursor(QXLDevice *qxl)
qemu_mutex_unlock(&qxl->track_lock);
}
-
-static inline uint32_t msb_mask(uint32_t val)
+void qxl_spice_update_area(QXLDevice *qxl, uint32_t surface_id,
+ struct QXLRect *area, struct QXLRect *dirty_rects,
+ uint32_t num_dirty_rects,
+ uint32_t clear_dirty_region,
+ qxl_async_io async, struct QXLCookie *cookie)
{
- uint32_t mask;
-
- do {
- mask = ~(val - 1) & val;
- val &= ~mask;
- } while (mask < val);
-
- return mask;
+ trace_qxl_spice_update_area(qxl->id, surface_id, area->left, area->right,
+ area->top, area->bottom);
+ trace_qxl_spice_update_area_rest(qxl->id, num_dirty_rects,
+ clear_dirty_region);
+ if (async == QXL_SYNC) {
+ qxl->ssd.worker->update_area(qxl->ssd.worker, surface_id, area,
+ dirty_rects, num_dirty_rects, clear_dirty_region);
+ } else {
+ assert(cookie != NULL);
+ spice_qxl_update_area_async(&qxl->ssd.qxl, surface_id, area,
+ clear_dirty_region, (uintptr_t)cookie);
+ }
}
-static ram_addr_t qxl_rom_size(void)
+ram_addr_t qxl_rom_size(void)
{
uint32_t rom_size = sizeof(QXLRom) + sizeof(QXLModes) + sizeof(qxl_modes);
@@ -286,7 +151,7 @@ static ram_addr_t qxl_rom_size(void)
return rom_size;
}
-static void init_qxl_rom(QXLDevice *d)
+void init_qxl_rom(QXLDevice *d)
{
QXLRom *rom;
rom = memory_region_get_ram_ptr(&d->pci.rom_bar);
@@ -345,7 +210,7 @@ static void init_qxl_rom(QXLDevice *d)
d->modes = modes;
}
-static void init_qxl_ram(QXLDevice *d)
+void init_qxl_ram(QXLDevice *d)
{
uint8_t *buf;
uint64_t *item;
@@ -365,93 +230,9 @@ static void init_qxl_ram(QXLDevice *d)
qxl_ring_set_dirty(d);
}
-/* can be called from spice server thread context */
-static void qxl_set_dirty(MemoryRegion *mr, ram_addr_t addr, ram_addr_t end)
-{
- memory_region_set_dirty(mr, addr, end - addr);
-}
-
-static void qxl_rom_set_dirty(QXLDevice *qxl)
-{
- qxl_set_dirty(&qxl->pci.rom_bar, 0, qxl->pci.rom_size);
-}
-
-/* called from spice server thread context only */
-static void qxl_ram_set_dirty(QXLDevice *qxl, void *ptr)
-{
- void *base = qxl->pci.vga.vram_ptr;
- intptr_t offset;
-
- offset = ptr - base;
- offset &= ~(TARGET_PAGE_SIZE-1);
- assert(offset < qxl->pci.vga.vram_size);
- qxl_set_dirty(&qxl->pci.vga.vram, offset, offset + TARGET_PAGE_SIZE);
-}
-
-/* can be called from spice server thread context */
-static void qxl_ring_set_dirty(QXLDevice *qxl)
-{
- ram_addr_t addr = qxl->shadow_rom.ram_header_offset;
- ram_addr_t end = qxl->pci.vga.vram_size;
- qxl_set_dirty(&qxl->pci.vga.vram, addr, end);
-}
-
-/*
- * keep track of some command state, for savevm/loadvm.
- * called from spice server thread context only
- */
-static int qxl_track_command(QXLDevice *qxl, struct QXLCommandExt *ext)
-{
- switch (le32_to_cpu(ext->cmd.type)) {
- case QXL_CMD_SURFACE:
- {
- QXLSurfaceCmd *cmd = qxl_phys2virt(qxl, ext->cmd.data, ext->group_id);
-
- if (!cmd) {
- return 1;
- }
- uint32_t id = le32_to_cpu(cmd->surface_id);
-
- if (id >= NUM_SURFACES) {
- qxl_set_guest_bug(qxl, "QXL_CMD_SURFACE id %d >= %d", id,
- NUM_SURFACES);
- return 1;
- }
- qemu_mutex_lock(&qxl->track_lock);
- if (cmd->type == QXL_SURFACE_CMD_CREATE) {
- qxl->guest_surfaces.cmds[id] = ext->cmd.data;
- qxl->guest_surfaces.count++;
- if (qxl->guest_surfaces.max < qxl->guest_surfaces.count)
- qxl->guest_surfaces.max = qxl->guest_surfaces.count;
- }
- if (cmd->type == QXL_SURFACE_CMD_DESTROY) {
- qxl->guest_surfaces.cmds[id] = 0;
- qxl->guest_surfaces.count--;
- }
- qemu_mutex_unlock(&qxl->track_lock);
- break;
- }
- case QXL_CMD_CURSOR:
- {
- QXLCursorCmd *cmd = qxl_phys2virt(qxl, ext->cmd.data, ext->group_id);
-
- if (!cmd) {
- return 1;
- }
- if (cmd->type == QXL_CURSOR_SET) {
- qemu_mutex_lock(&qxl->track_lock);
- qxl->guest_cursor = ext->cmd.data;
- qemu_mutex_unlock(&qxl->track_lock);
- }
- break;
- }
- }
- return 0;
-}
-
/* spice display interface callbacks */
-static void interface_attach_worker(QXLInstance *sin, QXLWorker *qxl_worker)
+void interface_attach_worker(QXLInstance *sin, QXLWorker *qxl_worker)
{
QXLDevice *qxl = container_of(sin, QXLDevice, ssd.qxl);
@@ -459,7 +240,7 @@ static void interface_attach_worker(QXLInstance *sin,
QXLWorker *qxl_worker)
trace_qxl_interface_attach_worker(qxl->id);
}
-static void interface_set_compression_level(QXLInstance *sin, int level)
+void interface_set_compression_level(QXLInstance *sin, int level)
{
QXLDevice *qxl = container_of(sin, QXLDevice, ssd.qxl);
@@ -469,7 +250,7 @@ static void interface_set_compression_level(QXLInstance
*sin, int level)
qxl->rom->compression_level = cpu_to_le32(level);
}
-static void interface_set_mm_time(QXLInstance *sin, uint32_t mm_time)
+void interface_set_mm_time(QXLInstance *sin, uint32_t mm_time)
{
QXLDevice *qxl = container_of(sin, QXLDevice, ssd.qxl);
@@ -479,7 +260,7 @@ static void interface_set_mm_time(QXLInstance *sin,
uint32_t mm_time)
qxl->rom->mm_clock = cpu_to_le32(mm_time);
}
-static void interface_get_init_info(QXLInstance *sin, QXLDevInitInfo *info)
+void interface_get_init_info(QXLInstance *sin, QXLDevInitInfo *info)
{
QXLDevice *qxl = container_of(sin, QXLDevice, ssd.qxl);
@@ -493,113 +274,15 @@ static void interface_get_init_info(QXLInstance *sin,
QXLDevInitInfo *info)
info->n_surfaces = NUM_SURFACES;
}
-static const char *qxl_mode_to_string(int mode)
-{
- switch (mode) {
- case QXL_MODE_COMPAT:
- return "compat";
- case QXL_MODE_NATIVE:
- return "native";
- case QXL_MODE_UNDEFINED:
- return "undefined";
- case QXL_MODE_VGA:
- return "vga";
- }
- return "INVALID";
-}
-
-static const char *io_port_to_string(uint32_t io_port)
-{
- if (io_port >= QXL_IO_RANGE_SIZE) {
- return "out of range";
- }
- static const char *io_port_to_string[QXL_IO_RANGE_SIZE + 1] = {
- [QXL_IO_NOTIFY_CMD] = "QXL_IO_NOTIFY_CMD",
- [QXL_IO_NOTIFY_CURSOR] = "QXL_IO_NOTIFY_CURSOR",
- [QXL_IO_UPDATE_AREA] = "QXL_IO_UPDATE_AREA",
- [QXL_IO_UPDATE_IRQ] = "QXL_IO_UPDATE_IRQ",
- [QXL_IO_NOTIFY_OOM] = "QXL_IO_NOTIFY_OOM",
- [QXL_IO_RESET] = "QXL_IO_RESET",
- [QXL_IO_SET_MODE] = "QXL_IO_SET_MODE",
- [QXL_IO_LOG] = "QXL_IO_LOG",
- [QXL_IO_MEMSLOT_ADD] = "QXL_IO_MEMSLOT_ADD",
- [QXL_IO_MEMSLOT_DEL] = "QXL_IO_MEMSLOT_DEL",
- [QXL_IO_DETACH_PRIMARY] = "QXL_IO_DETACH_PRIMARY",
- [QXL_IO_ATTACH_PRIMARY] = "QXL_IO_ATTACH_PRIMARY",
- [QXL_IO_CREATE_PRIMARY] = "QXL_IO_CREATE_PRIMARY",
- [QXL_IO_DESTROY_PRIMARY] = "QXL_IO_DESTROY_PRIMARY",
- [QXL_IO_DESTROY_SURFACE_WAIT] = "QXL_IO_DESTROY_SURFACE_WAIT",
- [QXL_IO_DESTROY_ALL_SURFACES] = "QXL_IO_DESTROY_ALL_SURFACES",
- [QXL_IO_UPDATE_AREA_ASYNC] = "QXL_IO_UPDATE_AREA_ASYNC",
- [QXL_IO_MEMSLOT_ADD_ASYNC] = "QXL_IO_MEMSLOT_ADD_ASYNC",
- [QXL_IO_CREATE_PRIMARY_ASYNC] = "QXL_IO_CREATE_PRIMARY_ASYNC",
- [QXL_IO_DESTROY_PRIMARY_ASYNC] = "QXL_IO_DESTROY_PRIMARY_ASYNC",
- [QXL_IO_DESTROY_SURFACE_ASYNC] = "QXL_IO_DESTROY_SURFACE_ASYNC",
- [QXL_IO_DESTROY_ALL_SURFACES_ASYNC]
- = "QXL_IO_DESTROY_ALL_SURFACES_ASYNC",
- [QXL_IO_FLUSH_SURFACES_ASYNC] = "QXL_IO_FLUSH_SURFACES_ASYNC",
- [QXL_IO_FLUSH_RELEASE] = "QXL_IO_FLUSH_RELEASE",
- };
- return io_port_to_string[io_port];
-}
-
-static int interface_get_command(QXLInstance *sin, struct QXLCommandExt *ext)
+int interface_get_command(QXLInstance *sin, struct QXLCommandExt *ext)
{
QXLDevice *qxl = container_of(sin, QXLDevice, ssd.qxl);
- SimpleSpiceUpdate *update;
- QXLCommandRing *ring;
- QXLCommand *cmd;
- int notify, ret;
-
- trace_qxl_ring_command_check(qxl->id, qxl_mode_to_string(qxl->pci.mode));
- switch (qxl->pci.mode) {
- case QXL_MODE_VGA:
- ret = false;
- qemu_mutex_lock(&qxl->ssd.lock);
- if (qxl->ssd.update != NULL) {
- update = qxl->ssd.update;
- qxl->ssd.update = NULL;
- *ext = update->ext;
- ret = true;
- }
- qemu_mutex_unlock(&qxl->ssd.lock);
- if (ret) {
- trace_qxl_ring_command_get(qxl->id,
qxl_mode_to_string(qxl->pci.mode));
- qxl_log_command(qxl, "vga", ext);
- }
- return ret;
- case QXL_MODE_COMPAT:
- case QXL_MODE_NATIVE:
- case QXL_MODE_UNDEFINED:
- ring = &qxl->ram->cmd_ring;
- if (qxl->pci.guest_bug || SPICE_RING_IS_EMPTY(ring)) {
- return false;
- }
- SPICE_RING_CONS_ITEM(qxl, ring, cmd);
- if (!cmd) {
- return false;
- }
- ext->cmd = *cmd;
- ext->group_id = MEMSLOT_GROUP_GUEST;
- ext->flags = qxl->cmdflags;
- SPICE_RING_POP(ring, notify);
- qxl_ring_set_dirty(qxl);
- if (notify) {
- qxl_send_events(qxl, QXL_INTERRUPT_DISPLAY);
- }
- qxl->guest_primary.commands++;
- qxl_track_command(qxl, ext);
- qxl_log_command(qxl, "cmd", ext);
- trace_qxl_ring_command_get(qxl->id, qxl_mode_to_string(qxl->pci.mode));
- return true;
- default:
- return false;
- }
+ return interface_get_command_pci(qxl, ext);
}
/* called from spice server thread context only */
-static int interface_req_cmd_notification(QXLInstance *sin)
+int interface_req_cmd_notification(QXLInstance *sin)
{
QXLDevice *qxl = container_of(sin, QXLDevice, ssd.qxl);
int wait = 1;
@@ -620,48 +303,7 @@ static int interface_req_cmd_notification(QXLInstance *sin)
}
/* called from spice server thread context only */
-static inline void qxl_push_free_res(QXLDevice *d, int flush)
-{
- QXLReleaseRing *ring = &d->ram->release_ring;
- uint64_t *item;
- int notify;
-
-#define QXL_FREE_BUNCH_SIZE 32
-
- if (ring->prod - ring->cons + 1 == ring->num_items) {
- /* ring full -- can't push */
- return;
- }
- if (!flush && d->oom_running) {
- /* collect everything from oom handler before pushing */
- return;
- }
- if (!flush && d->num_free_res < QXL_FREE_BUNCH_SIZE) {
- /* collect a bit more before pushing */
- return;
- }
-
- SPICE_RING_PUSH(ring, notify);
- trace_qxl_ring_res_push(d->id, qxl_mode_to_string(d->pci.mode),
- d->guest_surfaces.count, d->num_free_res,
- d->last_release, notify ? "yes" : "no");
- trace_qxl_ring_res_push_rest(d->id, ring->prod - ring->cons,
- ring->num_items, ring->prod, ring->cons);
- if (notify) {
- qxl_send_events(d, QXL_INTERRUPT_DISPLAY);
- }
- SPICE_RING_PROD_ITEM(d, ring, item);
- if (!item) {
- return;
- }
- *item = 0;
- d->num_free_res = 0;
- d->last_release = NULL;
- qxl_ring_set_dirty(d);
-}
-
-/* called from spice server thread context only */
-static void interface_release_resource(QXLInstance *sin,
+void interface_release_resource(QXLInstance *sin,
struct QXLReleaseInfoExt ext)
{
QXLDevice *qxl = container_of(sin, QXLDevice, ssd.qxl);
@@ -704,50 +346,15 @@ static void interface_release_resource(QXLInstance *sin,
}
/* called from spice server thread context only */
-static int interface_get_cursor_command(QXLInstance *sin, struct QXLCommandExt
*ext)
+int interface_get_cursor_command(QXLInstance *sin, struct QXLCommandExt *ext)
{
QXLDevice *qxl = container_of(sin, QXLDevice, ssd.qxl);
- QXLCursorRing *ring;
- QXLCommand *cmd;
- int notify;
-
- trace_qxl_ring_cursor_check(qxl->id, qxl_mode_to_string(qxl->pci.mode));
- switch (qxl->pci.mode) {
- case QXL_MODE_COMPAT:
- case QXL_MODE_NATIVE:
- case QXL_MODE_UNDEFINED:
- ring = &qxl->ram->cursor_ring;
- if (SPICE_RING_IS_EMPTY(ring)) {
- return false;
- }
- SPICE_RING_CONS_ITEM(qxl, ring, cmd);
- if (!cmd) {
- return false;
- }
- ext->cmd = *cmd;
- ext->group_id = MEMSLOT_GROUP_GUEST;
- ext->flags = qxl->cmdflags;
- SPICE_RING_POP(ring, notify);
- qxl_ring_set_dirty(qxl);
- if (notify) {
- qxl_send_events(qxl, QXL_INTERRUPT_CURSOR);
- }
- qxl->guest_primary.commands++;
- qxl_track_command(qxl, ext);
- qxl_log_command(qxl, "csr", ext);
- if (qxl->id == 0) {
- qxl_render_cursor(qxl, ext);
- }
- trace_qxl_ring_cursor_get(qxl->id, qxl_mode_to_string(qxl->pci.mode));
- return true;
- default:
- return false;
- }
+ return interface_get_cursor_command_pci(qxl, ext);
}
/* called from spice server thread context only */
-static int interface_req_cursor_notification(QXLInstance *sin)
+int interface_req_cursor_notification(QXLInstance *sin)
{
QXLDevice *qxl = container_of(sin, QXLDevice, ssd.qxl);
int wait = 1;
@@ -768,7 +375,7 @@ static int interface_req_cursor_notification(QXLInstance
*sin)
}
/* called from spice server thread context */
-static void interface_notify_update(QXLInstance *sin, uint32_t update_id)
+void interface_notify_update(QXLInstance *sin, uint32_t update_id)
{
/*
* Called by spice-server as a result of a QXL_CMD_UPDATE which is not in
@@ -780,7 +387,7 @@ static void interface_notify_update(QXLInstance *sin,
uint32_t update_id)
}
/* called from spice server thread context only */
-static int interface_flush_resources(QXLInstance *sin)
+int interface_flush_resources(QXLInstance *sin)
{
QXLDevice *qxl = container_of(sin, QXLDevice, ssd.qxl);
int ret;
@@ -792,52 +399,8 @@ static int interface_flush_resources(QXLInstance *sin)
return ret;
}
-static void qxl_create_guest_primary_complete(QXLDevice *d);
-
-/* called from spice server thread context only */
-static void interface_async_complete_io(QXLDevice *qxl, QXLCookie *cookie)
-{
- uint32_t current_async;
-
- qemu_mutex_lock(&qxl->async_lock);
- current_async = qxl->current_async;
- qxl->current_async = QXL_UNDEFINED_IO;
- qemu_mutex_unlock(&qxl->async_lock);
-
- trace_qxl_interface_async_complete_io(qxl->id, current_async, cookie);
- if (!cookie) {
- fprintf(stderr, "qxl: %s: error, cookie is NULL\n", __func__);
- return;
- }
- if (cookie && current_async != cookie->io) {
- fprintf(stderr,
- "qxl: %s: error: current_async = %d != %"
- PRId64 " = cookie->io\n", __func__, current_async, cookie->io);
- }
- switch (current_async) {
- case QXL_IO_MEMSLOT_ADD_ASYNC:
- case QXL_IO_DESTROY_PRIMARY_ASYNC:
- case QXL_IO_UPDATE_AREA_ASYNC:
- case QXL_IO_FLUSH_SURFACES_ASYNC:
- break;
- case QXL_IO_CREATE_PRIMARY_ASYNC:
- qxl_create_guest_primary_complete(qxl);
- break;
- case QXL_IO_DESTROY_ALL_SURFACES_ASYNC:
- qxl_spice_destroy_surfaces_complete(qxl);
- break;
- case QXL_IO_DESTROY_SURFACE_ASYNC:
- qxl_spice_destroy_surface_wait_complete(qxl, cookie->u.surface_id);
- break;
- default:
- fprintf(stderr, "qxl: %s: unexpected current_async %d\n", __func__,
- current_async);
- }
- qxl_send_events(qxl, QXL_INTERRUPT_IO_CMD);
-}
-
/* called from spice server thread context only */
-static void interface_update_area_complete(QXLInstance *sin,
+void interface_update_area_complete(QXLInstance *sin,
uint32_t surface_id,
QXLRect *dirty, uint32_t num_updated_rects)
{
@@ -881,7 +444,7 @@ static void interface_update_area_complete(QXLInstance *sin,
}
/* called from spice server thread context only */
-static void interface_async_complete(QXLInstance *sin, uint64_t cookie_token)
+void interface_async_complete(QXLInstance *sin, uint64_t cookie_token)
{
QXLDevice *qxl = container_of(sin, QXLDevice, ssd.qxl);
QXLCookie *cookie = (QXLCookie *)(uintptr_t)cookie_token;
@@ -900,1229 +463,3 @@ static void interface_async_complete(QXLInstance *sin,
uint64_t cookie_token)
g_free(cookie);
}
}
-
-static const QXLInterface qxl_interface = {
- .base.type = SPICE_INTERFACE_QXL,
- .base.description = "qxl gpu",
- .base.major_version = SPICE_INTERFACE_QXL_MAJOR,
- .base.minor_version = SPICE_INTERFACE_QXL_MINOR,
-
- .attache_worker = interface_attach_worker,
- .set_compression_level = interface_set_compression_level,
- .set_mm_time = interface_set_mm_time,
- .get_init_info = interface_get_init_info,
-
- /* the callbacks below are called from spice server thread context */
- .get_command = interface_get_command,
- .req_cmd_notification = interface_req_cmd_notification,
- .release_resource = interface_release_resource,
- .get_cursor_command = interface_get_cursor_command,
- .req_cursor_notification = interface_req_cursor_notification,
- .notify_update = interface_notify_update,
- .flush_resources = interface_flush_resources,
- .async_complete = interface_async_complete,
- .update_area_complete = interface_update_area_complete,
-};
-
-static void qxl_enter_vga_mode(QXLDevice *d)
-{
- if (d->pci.mode == QXL_MODE_VGA) {
- return;
- }
- trace_qxl_enter_vga_mode(d->id);
- qemu_spice_create_host_primary(&d->ssd);
- d->pci.mode = QXL_MODE_VGA;
- memset(&d->ssd.dirty, 0, sizeof(d->ssd.dirty));
- vga_dirty_log_start(&d->pci.vga);
-}
-
-static void qxl_exit_vga_mode(QXLDevice *d)
-{
- if (d->pci.mode != QXL_MODE_VGA) {
- return;
- }
- trace_qxl_exit_vga_mode(d->id);
- vga_dirty_log_stop(&d->pci.vga);
- qxl_destroy_primary(d, QXL_SYNC);
-}
-
-static void qxl_update_irq(QXLDevice *d)
-{
- uint32_t pending = le32_to_cpu(d->ram->int_pending);
- uint32_t mask = le32_to_cpu(d->ram->int_mask);
- int level = !!(pending & mask);
- qemu_set_irq(d->pci.pci.irq[0], level);
- qxl_ring_set_dirty(d);
-}
-
-static void qxl_check_state(QXLDevice *d)
-{
- QXLRam *ram = d->ram;
-
- assert(!d->ssd.running || SPICE_RING_IS_EMPTY(&ram->cmd_ring));
- assert(!d->ssd.running || SPICE_RING_IS_EMPTY(&ram->cursor_ring));
-}
-
-static void qxl_reset_state(QXLDevice *d)
-{
- QXLRom *rom = d->rom;
-
- qxl_check_state(d);
- d->shadow_rom.update_id = cpu_to_le32(0);
- *rom = d->shadow_rom;
- qxl_rom_set_dirty(d);
- init_qxl_ram(d);
- d->num_free_res = 0;
- d->last_release = NULL;
- memset(&d->ssd.dirty, 0, sizeof(d->ssd.dirty));
-}
-
-static void qxl_soft_reset(QXLDevice *d)
-{
- trace_qxl_soft_reset(d->id);
- qxl_check_state(d);
- qxl_clear_guest_bug(d);
- d->current_async = QXL_UNDEFINED_IO;
-
- if (d->id == 0) {
- qxl_enter_vga_mode(d);
- } else {
- d->pci.mode = QXL_MODE_UNDEFINED;
- }
-}
-
-static void qxl_hard_reset(QXLDevice *d, int loadvm)
-{
- trace_qxl_hard_reset(d->id, loadvm);
-
- qxl_spice_reset_cursor(d);
- qxl_spice_reset_image_cache(d);
- qxl_reset_surfaces(d);
- qxl_reset_memslots(d);
-
- /* pre loadvm reset must not touch QXLRam. This lives in
- * device memory, is migrated together with RAM and thus
- * already loaded at this point */
- if (!loadvm) {
- qxl_reset_state(d);
- }
- qemu_spice_create_host_memslot(&d->ssd);
- qxl_soft_reset(d);
-}
-
-static void qxl_reset_handler(DeviceState *dev)
-{
- QXLDevice *d = (QXLDevice *) DO_UPCAST(PCIQXLDevice, pci.qdev, dev);
-
- qxl_hard_reset(d, 0);
-}
-
-static void qxl_vga_ioport_write(void *opaque, uint32_t addr, uint32_t val)
-{
- VGACommonState *vga = opaque;
- QXLDevice *qxl = (QXLDevice *) container_of(vga, PCIQXLDevice, vga);
-
- trace_qxl_io_write_vga(qxl->id, qxl_mode_to_string(qxl->pci.mode), addr,
val);
- if (qxl->pci.mode != QXL_MODE_VGA) {
- qxl_destroy_primary(qxl, QXL_SYNC);
- qxl_soft_reset(qxl);
- }
- vga_ioport_write(opaque, addr, val);
-}
-
-static const MemoryRegionPortio qxl_vga_portio_list[] = {
- { 0x04, 2, 1, .read = vga_ioport_read,
- .write = qxl_vga_ioport_write }, /* 3b4 */
- { 0x0a, 1, 1, .read = vga_ioport_read,
- .write = qxl_vga_ioport_write }, /* 3ba */
- { 0x10, 16, 1, .read = vga_ioport_read,
- .write = qxl_vga_ioport_write }, /* 3c0 */
- { 0x24, 2, 1, .read = vga_ioport_read,
- .write = qxl_vga_ioport_write }, /* 3d4 */
- { 0x2a, 1, 1, .read = vga_ioport_read,
- .write = qxl_vga_ioport_write }, /* 3da */
- PORTIO_END_OF_LIST(),
-};
-
-static int qxl_add_memslot(QXLDevice *d, uint32_t slot_id, uint64_t delta,
- qxl_async_io async)
-{
- static const int regions[] = {
- QXL_RAM_RANGE_INDEX,
- QXL_VRAM_RANGE_INDEX,
- QXL_VRAM64_RANGE_INDEX,
- };
- uint64_t guest_start;
- uint64_t guest_end;
- int pci_region;
- pcibus_t pci_start;
- pcibus_t pci_end;
- intptr_t virt_start;
- QXLDevMemSlot memslot;
- int i;
-
- guest_start = le64_to_cpu(d->guest_slots[slot_id].slot.mem_start);
- guest_end = le64_to_cpu(d->guest_slots[slot_id].slot.mem_end);
-
- trace_qxl_memslot_add_guest(d->id, slot_id, guest_start, guest_end);
-
- if (slot_id >= NUM_MEMSLOTS) {
- qxl_set_guest_bug(d, "%s: slot_id >= NUM_MEMSLOTS %d >= %d", __func__,
- slot_id, NUM_MEMSLOTS);
- return 1;
- }
- if (guest_start > guest_end) {
- qxl_set_guest_bug(d, "%s: guest_start > guest_end 0x%" PRIx64
- " > 0x%" PRIx64, __func__, guest_start, guest_end);
- return 1;
- }
-
- for (i = 0; i < ARRAY_SIZE(regions); i++) {
- pci_region = regions[i];
- pci_start = d->pci.pci.io_regions[pci_region].addr;
- pci_end = pci_start + d->pci.pci.io_regions[pci_region].size;
- /* mapped? */
- if (pci_start == -1) {
- continue;
- }
- /* start address in range ? */
- if (guest_start < pci_start || guest_start > pci_end) {
- continue;
- }
- /* end address in range ? */
- if (guest_end > pci_end) {
- continue;
- }
- /* passed */
- break;
- }
- if (i == ARRAY_SIZE(regions)) {
- qxl_set_guest_bug(d, "%s: finished loop without match", __func__);
- return 1;
- }
-
- switch (pci_region) {
- case QXL_RAM_RANGE_INDEX:
- virt_start = (intptr_t)memory_region_get_ram_ptr(&d->pci.vga.vram);
- break;
- case QXL_VRAM_RANGE_INDEX:
- case 4 /* vram 64bit */:
- virt_start = (intptr_t)memory_region_get_ram_ptr(&d->pci.vram_bar);
- break;
- default:
- /* should not happen */
- qxl_set_guest_bug(d, "%s: pci_region = %d", __func__, pci_region);
- return 1;
- }
-
- memslot.slot_id = slot_id;
- memslot.slot_group_id = MEMSLOT_GROUP_GUEST; /* guest group */
- memslot.virt_start = virt_start + (guest_start - pci_start);
- memslot.virt_end = virt_start + (guest_end - pci_start);
- memslot.addr_delta = memslot.virt_start - delta;
- memslot.generation = d->rom->slot_generation = 0;
- qxl_rom_set_dirty(d);
-
- qemu_spice_add_memslot(&d->ssd, &memslot, async);
- d->guest_slots[slot_id].ptr = (void*)memslot.virt_start;
- d->guest_slots[slot_id].size = memslot.virt_end - memslot.virt_start;
- d->guest_slots[slot_id].delta = delta;
- d->guest_slots[slot_id].active = 1;
- return 0;
-}
-
-static void qxl_del_memslot(QXLDevice *d, uint32_t slot_id)
-{
- qemu_spice_del_memslot(&d->ssd, MEMSLOT_GROUP_HOST, slot_id);
- d->guest_slots[slot_id].active = 0;
-}
-
-static void qxl_reset_memslots(QXLDevice *d)
-{
- qxl_spice_reset_memslots(d);
- memset(&d->guest_slots, 0, sizeof(d->guest_slots));
-}
-
-static void qxl_reset_surfaces(QXLDevice *d)
-{
- trace_qxl_reset_surfaces(d->id);
- d->pci.mode = QXL_MODE_UNDEFINED;
- qxl_spice_destroy_surfaces(d, QXL_SYNC);
-}
-
-/* can be also called from spice server thread context */
-void *qxl_phys2virt(QXLDevice *qxl, QXLPHYSICAL pqxl, int group_id)
-{
- uint64_t phys = le64_to_cpu(pqxl);
- uint32_t slot = (phys >> (64 - 8)) & 0xff;
- uint64_t offset = phys & 0xffffffffffff;
-
- switch (group_id) {
- case MEMSLOT_GROUP_HOST:
- return (void *)(intptr_t)offset;
- case MEMSLOT_GROUP_GUEST:
- if (slot >= NUM_MEMSLOTS) {
- qxl_set_guest_bug(qxl, "slot too large %d >= %d", slot,
- NUM_MEMSLOTS);
- return NULL;
- }
- if (!qxl->guest_slots[slot].active) {
- qxl_set_guest_bug(qxl, "inactive slot %d\n", slot);
- return NULL;
- }
- if (offset < qxl->guest_slots[slot].delta) {
- qxl_set_guest_bug(qxl,
- "slot %d offset %"PRIu64" < delta %"PRIu64"\n",
- slot, offset, qxl->guest_slots[slot].delta);
- return NULL;
- }
- offset -= qxl->guest_slots[slot].delta;
- if (offset > qxl->guest_slots[slot].size) {
- qxl_set_guest_bug(qxl,
- "slot %d offset %"PRIu64" > size %"PRIu64"\n",
- slot, offset, qxl->guest_slots[slot].size);
- return NULL;
- }
- return qxl->guest_slots[slot].ptr + offset;
- }
- return NULL;
-}
-
-static void qxl_create_guest_primary_complete(QXLDevice *qxl)
-{
- /* for local rendering */
- qxl_render_resize(qxl);
-}
-
-static void qxl_create_guest_primary(QXLDevice *qxl, int loadvm,
- qxl_async_io async)
-{
- QXLDevSurfaceCreate surface;
- QXLSurfaceCreate *sc = &qxl->guest_primary.surface;
- int size;
- int requested_height = le32_to_cpu(sc->height);
- int requested_stride = le32_to_cpu(sc->stride);
-
- size = abs(requested_stride) * requested_height;
- if (size > qxl->pci.vgamem_size) {
- qxl_set_guest_bug(qxl, "%s: requested primary larger then framebuffer"
- " size", __func__);
- return;
- }
-
- if (qxl->pci.mode == QXL_MODE_NATIVE) {
- qxl_set_guest_bug(qxl, "%s: nop since already in QXL_MODE_NATIVE",
- __func__);
- }
- qxl_exit_vga_mode(qxl);
-
- surface.format = le32_to_cpu(sc->format);
- surface.height = le32_to_cpu(sc->height);
- surface.mem = le64_to_cpu(sc->mem);
- surface.position = le32_to_cpu(sc->position);
- surface.stride = le32_to_cpu(sc->stride);
- surface.width = le32_to_cpu(sc->width);
- surface.type = le32_to_cpu(sc->type);
- surface.flags = le32_to_cpu(sc->flags);
- trace_qxl_create_guest_primary(qxl->id, sc->width, sc->height, sc->mem,
- sc->format, sc->position);
- trace_qxl_create_guest_primary_rest(qxl->id, sc->stride, sc->type,
- sc->flags);
-
- surface.mouse_mode = true;
- surface.group_id = MEMSLOT_GROUP_GUEST;
- if (loadvm) {
- surface.flags |= QXL_SURF_FLAG_KEEP_DATA;
- }
-
- qxl->pci.mode = QXL_MODE_NATIVE;
- qxl->cmdflags = 0;
- qemu_spice_create_primary_surface(&qxl->ssd, 0, &surface, async);
-
- if (async == QXL_SYNC) {
- qxl_create_guest_primary_complete(qxl);
- }
-}
-
-/* return 1 if surface destoy was initiated (in QXL_ASYNC case) or
- * done (in QXL_SYNC case), 0 otherwise. */
-static int qxl_destroy_primary(QXLDevice *d, qxl_async_io async)
-{
- if (d->pci.mode == QXL_MODE_UNDEFINED) {
- return 0;
- }
- trace_qxl_destroy_primary(d->id);
- d->pci.mode = QXL_MODE_UNDEFINED;
- qemu_spice_destroy_primary_surface(&d->ssd, 0, async);
- qxl_spice_reset_cursor(d);
- return 1;
-}
-
-static void qxl_set_mode(QXLDevice *d, int modenr, int loadvm)
-{
- pcibus_t start = d->pci.pci.io_regions[QXL_RAM_RANGE_INDEX].addr;
- pcibus_t end = d->pci.pci.io_regions[QXL_RAM_RANGE_INDEX].size + start;
- QXLMode *mode = d->modes->modes + modenr;
- uint64_t devmem = d->pci.pci.io_regions[QXL_RAM_RANGE_INDEX].addr;
- QXLMemSlot slot = {
- .mem_start = start,
- .mem_end = end
- };
- QXLSurfaceCreate surface = {
- .width = mode->x_res,
- .height = mode->y_res,
- .stride = -mode->x_res * 4,
- .format = SPICE_SURFACE_FMT_32_xRGB,
- .flags = loadvm ? QXL_SURF_FLAG_KEEP_DATA : 0,
- .mouse_mode = true,
- .mem = devmem + d->shadow_rom.draw_area_offset,
- };
-
- trace_qxl_set_mode(d->id, modenr, mode->x_res, mode->y_res, mode->bits,
- devmem);
- if (!loadvm) {
- qxl_hard_reset(d, 0);
- }
-
- d->guest_slots[0].slot = slot;
- assert(qxl_add_memslot(d, 0, devmem, QXL_SYNC) == 0);
-
- d->guest_primary.surface = surface;
- qxl_create_guest_primary(d, 0, QXL_SYNC);
-
- d->pci.mode = QXL_MODE_COMPAT;
- d->cmdflags = QXL_COMMAND_FLAG_COMPAT;
-#ifdef QXL_COMMAND_FLAG_COMPAT_16BPP /* new in spice 0.6.1 */
- if (mode->bits == 16) {
- d->cmdflags |= QXL_COMMAND_FLAG_COMPAT_16BPP;
- }
-#endif
- d->shadow_rom.mode = cpu_to_le32(modenr);
- d->rom->mode = cpu_to_le32(modenr);
- qxl_rom_set_dirty(d);
-}
-
-static void ioport_write(void *opaque, target_phys_addr_t addr,
- uint64_t val, unsigned size)
-{
- QXLDevice *d = opaque;
- uint32_t io_port = addr;
- qxl_async_io async = QXL_SYNC;
- uint32_t orig_io_port = io_port;
-
- if (d->pci.guest_bug && !io_port == QXL_IO_RESET) {
- return;
- }
-
- switch (io_port) {
- case QXL_IO_RESET:
- case QXL_IO_SET_MODE:
- case QXL_IO_MEMSLOT_ADD:
- case QXL_IO_MEMSLOT_DEL:
- case QXL_IO_CREATE_PRIMARY:
- case QXL_IO_UPDATE_IRQ:
- case QXL_IO_LOG:
- case QXL_IO_MEMSLOT_ADD_ASYNC:
- case QXL_IO_CREATE_PRIMARY_ASYNC:
- break;
- default:
- if (d->pci.mode != QXL_MODE_VGA) {
- break;
- }
- trace_qxl_io_unexpected_vga_mode(d->id,
- io_port, io_port_to_string(io_port));
- /* be nice to buggy guest drivers */
- if (io_port >= QXL_IO_UPDATE_AREA_ASYNC &&
- io_port <= QXL_IO_DESTROY_ALL_SURFACES_ASYNC) {
- qxl_send_events(d, QXL_INTERRUPT_IO_CMD);
- }
- return;
- }
-
- /* we change the io_port to avoid ifdeffery in the main switch */
- orig_io_port = io_port;
- switch (io_port) {
- case QXL_IO_UPDATE_AREA_ASYNC:
- io_port = QXL_IO_UPDATE_AREA;
- goto async_common;
- case QXL_IO_MEMSLOT_ADD_ASYNC:
- io_port = QXL_IO_MEMSLOT_ADD;
- goto async_common;
- case QXL_IO_CREATE_PRIMARY_ASYNC:
- io_port = QXL_IO_CREATE_PRIMARY;
- goto async_common;
- case QXL_IO_DESTROY_PRIMARY_ASYNC:
- io_port = QXL_IO_DESTROY_PRIMARY;
- goto async_common;
- case QXL_IO_DESTROY_SURFACE_ASYNC:
- io_port = QXL_IO_DESTROY_SURFACE_WAIT;
- goto async_common;
- case QXL_IO_DESTROY_ALL_SURFACES_ASYNC:
- io_port = QXL_IO_DESTROY_ALL_SURFACES;
- goto async_common;
- case QXL_IO_FLUSH_SURFACES_ASYNC:
-async_common:
- async = QXL_ASYNC;
- qemu_mutex_lock(&d->async_lock);
- if (d->current_async != QXL_UNDEFINED_IO) {
- qxl_set_guest_bug(d, "%d async started before last (%d) complete",
- io_port, d->current_async);
- qemu_mutex_unlock(&d->async_lock);
- return;
- }
- d->current_async = orig_io_port;
- qemu_mutex_unlock(&d->async_lock);
- break;
- default:
- break;
- }
- trace_qxl_io_write(d->id, qxl_mode_to_string(d->pci.mode), addr, val, size,
- async);
-
- switch (io_port) {
- case QXL_IO_UPDATE_AREA:
- {
- QXLCookie *cookie = NULL;
- QXLRect update = d->ram->update_area;
-
- if (async == QXL_ASYNC) {
- cookie = qxl_cookie_new(QXL_COOKIE_TYPE_IO,
- QXL_IO_UPDATE_AREA_ASYNC);
- cookie->u.area = update;
- }
- qxl_spice_update_area(d, d->ram->update_surface,
- cookie ? &cookie->u.area : &update,
- NULL, 0, 0, async, cookie);
- break;
- }
- case QXL_IO_NOTIFY_CMD:
- qemu_spice_wakeup(&d->ssd);
- break;
- case QXL_IO_NOTIFY_CURSOR:
- qemu_spice_wakeup(&d->ssd);
- break;
- case QXL_IO_UPDATE_IRQ:
- qxl_update_irq(d);
- break;
- case QXL_IO_NOTIFY_OOM:
- if (!SPICE_RING_IS_EMPTY(&d->ram->release_ring)) {
- break;
- }
- d->oom_running = 1;
- qxl_spice_oom(d);
- d->oom_running = 0;
- break;
- case QXL_IO_SET_MODE:
- qxl_set_mode(d, val, 0);
- break;
- case QXL_IO_LOG:
- if (d->pci.guestdebug) {
- fprintf(stderr, "qxl/guest-%d: %" PRId64 ": %s", d->id,
- qemu_get_clock_ns(vm_clock), d->ram->log_buf);
- }
- break;
- case QXL_IO_RESET:
- qxl_hard_reset(d, 0);
- break;
- case QXL_IO_MEMSLOT_ADD:
- if (val >= NUM_MEMSLOTS) {
- qxl_set_guest_bug(d, "QXL_IO_MEMSLOT_ADD: val out of range");
- break;
- }
- if (d->guest_slots[val].active) {
- qxl_set_guest_bug(d,
- "QXL_IO_MEMSLOT_ADD: memory slot already active");
- break;
- }
- d->guest_slots[val].slot = d->ram->mem_slot;
- qxl_add_memslot(d, val, 0, async);
- break;
- case QXL_IO_MEMSLOT_DEL:
- if (val >= NUM_MEMSLOTS) {
- qxl_set_guest_bug(d, "QXL_IO_MEMSLOT_DEL: val out of range");
- break;
- }
- qxl_del_memslot(d, val);
- break;
- case QXL_IO_CREATE_PRIMARY:
- if (val != 0) {
- qxl_set_guest_bug(d, "QXL_IO_CREATE_PRIMARY (async=%d): val != 0",
- async);
- goto cancel_async;
- }
- d->guest_primary.surface = d->ram->create_surface;
- qxl_create_guest_primary(d, 0, async);
- break;
- case QXL_IO_DESTROY_PRIMARY:
- if (val != 0) {
- qxl_set_guest_bug(d, "QXL_IO_DESTROY_PRIMARY (async=%d): val != 0",
- async);
- goto cancel_async;
- }
- if (!qxl_destroy_primary(d, async)) {
- trace_qxl_io_destroy_primary_ignored(d->id,
-
qxl_mode_to_string(d->pci.mode));
- goto cancel_async;
- }
- break;
- case QXL_IO_DESTROY_SURFACE_WAIT:
- if (val >= NUM_SURFACES) {
- qxl_set_guest_bug(d, "QXL_IO_DESTROY_SURFACE (async=%d):"
- "%" PRIu64 " >= NUM_SURFACES", async, val);
- goto cancel_async;
- }
- qxl_spice_destroy_surface_wait(d, val, async);
- break;
- case QXL_IO_FLUSH_RELEASE: {
- QXLReleaseRing *ring = &d->ram->release_ring;
- if (ring->prod - ring->cons + 1 == ring->num_items) {
- fprintf(stderr,
- "ERROR: no flush, full release ring [p%d,%dc]\n",
- ring->prod, ring->cons);
- }
- qxl_push_free_res(d, 1 /* flush */);
- break;
- }
- case QXL_IO_FLUSH_SURFACES_ASYNC:
- qxl_spice_flush_surfaces_async(d);
- break;
- case QXL_IO_DESTROY_ALL_SURFACES:
- d->pci.mode = QXL_MODE_UNDEFINED;
- qxl_spice_destroy_surfaces(d, async);
- break;
- default:
- qxl_set_guest_bug(d, "%s: unexpected ioport=0x%x\n", __func__,
io_port);
- }
- return;
-cancel_async:
- if (async) {
- qxl_send_events(d, QXL_INTERRUPT_IO_CMD);
- qemu_mutex_lock(&d->async_lock);
- d->current_async = QXL_UNDEFINED_IO;
- qemu_mutex_unlock(&d->async_lock);
- }
-}
-
-static uint64_t ioport_read(void *opaque, target_phys_addr_t addr,
- unsigned size)
-{
- QXLDevice *d = opaque;
-
- trace_qxl_io_read_unexpected(d->id);
- return 0xff;
-}
-
-static const MemoryRegionOps qxl_io_ops = {
- .read = ioport_read,
- .write = ioport_write,
- .valid = {
- .min_access_size = 1,
- .max_access_size = 1,
- },
-};
-
-static void pipe_read(void *opaque)
-{
- QXLDevice *d = opaque;
- char dummy;
- int len;
-
- do {
- len = read(d->pipe[0], &dummy, sizeof(dummy));
- } while (len == sizeof(dummy));
- qxl_update_irq(d);
-}
-
-static void qxl_send_events(QXLDevice *d, uint32_t events)
-{
- uint32_t old_pending;
- uint32_t le_events = cpu_to_le32(events);
-
- assert(d->ssd.running);
- old_pending = __sync_fetch_and_or(&d->ram->int_pending, le_events);
- if ((old_pending & le_events) == le_events) {
- return;
- }
- if (qemu_thread_is_self(&d->main)) {
- qxl_update_irq(d);
- } else {
- if (write(d->pipe[1], d, 1) != 1) {
- dprint(d, 1, "%s: write to pipe failed\n", __func__);
- }
- }
-}
-
-static void init_pipe_signaling(QXLDevice *d)
-{
- if (pipe(d->pipe) < 0) {
- fprintf(stderr, "%s:%s: qxl pipe creation failed\n",
- __FILE__, __func__);
- exit(1);
- }
- fcntl(d->pipe[0], F_SETFL, O_NONBLOCK);
- fcntl(d->pipe[1], F_SETFL, O_NONBLOCK);
- fcntl(d->pipe[0], F_SETOWN, getpid());
-
- qemu_thread_get_self(&d->main);
- qemu_set_fd_handler(d->pipe[0], pipe_read, NULL, d);
-}
-
-/* graphics console */
-
-static void qxl_hw_update(void *opaque)
-{
- QXLDevice *qxl = opaque;
- VGACommonState *vga = &qxl->pci.vga;
-
- switch (qxl->pci.mode) {
- case QXL_MODE_VGA:
- vga->update(vga);
- break;
- case QXL_MODE_COMPAT:
- case QXL_MODE_NATIVE:
- qxl_render_update(qxl);
- break;
- default:
- break;
- }
-}
-
-static void qxl_hw_invalidate(void *opaque)
-{
- QXLDevice *qxl = opaque;
- VGACommonState *vga = &qxl->pci.vga;
-
- vga->invalidate(vga);
-}
-
-static void qxl_hw_screen_dump(void *opaque, const char *filename, bool
cswitch)
-{
- QXLDevice *qxl = opaque;
- VGACommonState *vga = &qxl->pci.vga;
-
- switch (qxl->pci.mode) {
- case QXL_MODE_COMPAT:
- case QXL_MODE_NATIVE:
- qxl_render_update(qxl);
- ppm_save(filename, qxl->ssd.ds->surface);
- break;
- case QXL_MODE_VGA:
- vga->screen_dump(vga, filename, cswitch);
- break;
- default:
- break;
- }
-}
-
-static void qxl_hw_text_update(void *opaque, console_ch_t *chardata)
-{
- QXLDevice *qxl = opaque;
- VGACommonState *vga = &qxl->pci.vga;
-
- if (qxl->pci.mode == QXL_MODE_VGA) {
- vga->text_update(vga, chardata);
- return;
- }
-}
-
-static void qxl_dirty_surfaces(QXLDevice *qxl)
-{
- intptr_t vram_start;
- int i;
-
- if (qxl->pci.mode != QXL_MODE_NATIVE && qxl->pci.mode != QXL_MODE_COMPAT) {
- return;
- }
-
- /* dirty the primary surface */
- qxl_set_dirty(&qxl->pci.vga.vram, qxl->shadow_rom.draw_area_offset,
- qxl->shadow_rom.surface0_area_size);
-
- vram_start = (intptr_t)memory_region_get_ram_ptr(&qxl->pci.vram_bar);
-
- /* dirty the off-screen surfaces */
- for (i = 0; i < NUM_SURFACES; i++) {
- QXLSurfaceCmd *cmd;
- intptr_t surface_offset;
- int surface_size;
-
- if (qxl->guest_surfaces.cmds[i] == 0) {
- continue;
- }
-
- cmd = qxl_phys2virt(qxl, qxl->guest_surfaces.cmds[i],
- MEMSLOT_GROUP_GUEST);
- assert(cmd);
- assert(cmd->type == QXL_SURFACE_CMD_CREATE);
- surface_offset = (intptr_t)qxl_phys2virt(qxl,
- cmd->u.surface_create.data,
- MEMSLOT_GROUP_GUEST);
- assert(surface_offset);
- surface_offset -= vram_start;
- surface_size = cmd->u.surface_create.height *
- abs(cmd->u.surface_create.stride);
- trace_qxl_surfaces_dirty(qxl->id, i, (int)surface_offset,
surface_size);
- qxl_set_dirty(&qxl->pci.vram_bar, surface_offset, surface_size);
- }
-}
-
-static void qxl_vm_change_state_handler(void *opaque, int running,
- RunState state)
-{
- QXLDevice *qxl = opaque;
- qemu_spice_vm_change_state_handler(&qxl->ssd, running, state);
-
- if (running) {
- /*
- * if qxl_send_events was called from spice server context before
- * migration ended, qxl_update_irq for these events might not have been
- * called
- */
- qxl_update_irq(qxl);
- } else {
- /* make sure surfaces are saved before migration */
- qxl_dirty_surfaces(qxl);
- }
-}
-
-/* display change listener */
-
-static void display_update(struct DisplayState *ds, int x, int y, int w, int h)
-{
- if (qxl0->pci.mode == QXL_MODE_VGA) {
- qemu_spice_display_update(&qxl0->ssd, x, y, w, h);
- }
-}
-
-static void display_resize(struct DisplayState *ds)
-{
- if (qxl0->pci.mode == QXL_MODE_VGA) {
- qemu_spice_display_resize(&qxl0->ssd);
- }
-}
-
-static void display_refresh(struct DisplayState *ds)
-{
- if (qxl0->pci.mode == QXL_MODE_VGA) {
- qemu_spice_display_refresh(&qxl0->ssd);
- } else {
- qemu_mutex_lock(&qxl0->ssd.lock);
- qemu_spice_cursor_refresh_unlocked(&qxl0->ssd);
- qemu_mutex_unlock(&qxl0->ssd.lock);
- }
-}
-
-static DisplayChangeListener display_listener = {
- .dpy_update = display_update,
- .dpy_resize = display_resize,
- .dpy_refresh = display_refresh,
-};
-
-static void qxl_init_ramsize(QXLDevice *qxl)
-{
- /* vga mode framebuffer / primary surface (bar 0, first part) */
- if (qxl->pci.vgamem_size_mb < 8) {
- qxl->pci.vgamem_size_mb = 8;
- }
- qxl->pci.vgamem_size = qxl->pci.vgamem_size_mb * 1024 * 1024;
-
- /* vga ram (bar 0, total) */
- if (qxl->ram_size_mb != -1) {
- qxl->pci.vga.vram_size = qxl->ram_size_mb * 1024 * 1024;
- }
- if (qxl->pci.vga.vram_size < qxl->pci.vgamem_size * 2) {
- qxl->pci.vga.vram_size = qxl->pci.vgamem_size * 2;
- }
-
- /* vram32 (surfaces, 32bit, bar 1) */
- if (qxl->vram32_size_mb != -1) {
- qxl->vram32_size = qxl->vram32_size_mb * 1024 * 1024;
- }
- if (qxl->vram32_size < 4096) {
- qxl->vram32_size = 4096;
- }
-
- /* vram (surfaces, 64bit, bar 4+5) */
- if (qxl->vram_size_mb != -1) {
- qxl->vram_size = qxl->vram_size_mb * 1024 * 1024;
- }
- if (qxl->vram_size < qxl->vram32_size) {
- qxl->vram_size = qxl->vram32_size;
- }
-
- if (qxl->pci.revision == 1) {
- qxl->vram32_size = 4096;
- qxl->vram_size = 4096;
- }
- qxl->pci.vgamem_size = msb_mask(qxl->pci.vgamem_size * 2 - 1);
- qxl->pci.vga.vram_size = msb_mask(qxl->pci.vga.vram_size * 2 - 1);
- qxl->vram32_size = msb_mask(qxl->vram32_size * 2 - 1);
- qxl->vram_size = msb_mask(qxl->vram_size * 2 - 1);
-}
-
-static int qxl_init_common(QXLDevice *qxl)
-{
- uint8_t* config = qxl->pci.pci.config;
- uint32_t pci_device_rev;
- uint32_t io_size;
-
- qxl->pci.mode = QXL_MODE_UNDEFINED;
- qxl->pci.generation = 1;
- qxl->num_memslots = NUM_MEMSLOTS;
- qxl->num_surfaces = NUM_SURFACES;
- qemu_mutex_init(&qxl->track_lock);
- qemu_mutex_init(&qxl->async_lock);
- qxl->current_async = QXL_UNDEFINED_IO;
- qxl->pci.guest_bug = 0;
-
- switch (qxl->pci.revision) {
- case 1: /* spice 0.4 -- qxl-1 */
- pci_device_rev = QXL_REVISION_STABLE_V04;
- io_size = 8;
- break;
- case 2: /* spice 0.6 -- qxl-2 */
- pci_device_rev = QXL_REVISION_STABLE_V06;
- io_size = 16;
- break;
- case 3: /* qxl-3 */
- default:
- pci_device_rev = QXL_DEFAULT_REVISION;
- io_size = msb_mask(QXL_IO_RANGE_SIZE * 2 - 1);
- break;
- }
-
- pci_set_byte(&config[PCI_REVISION_ID], pci_device_rev);
- pci_set_byte(&config[PCI_INTERRUPT_PIN], 1);
-
- qxl->pci.rom_size = qxl_rom_size();
- memory_region_init_ram(&qxl->pci.rom_bar,"qxl-pci.vrom",
- qxl->pci.rom_size);
- vmstate_register_ram(&qxl->pci.rom_bar, &qxl->pci.pci.qdev);
- init_qxl_rom(qxl);
- init_qxl_ram(qxl);
-
- memory_region_init_ram(&qxl->pci.vram_bar, "qxl-pci.vram",
- qxl->vram_size);
- vmstate_register_ram(&qxl->pci.vram_bar, &qxl->pci.pci.qdev);
- memory_region_init_alias(&qxl->pci.vram32_bar, "qxl-pci.vram32",
- &qxl->pci.vram_bar, 0, qxl->vram32_size);
-
- memory_region_init_io(&qxl->pci.io_bar, &qxl_io_ops, qxl,
- "qxl-pci.ioports", io_size);
- if (qxl->id == 0) {
- vga_dirty_log_start(&qxl->pci.vga);
- }
-
-
- pci_register_bar(&qxl->pci.pci, QXL_IO_RANGE_INDEX,
- PCI_BASE_ADDRESS_SPACE_IO, &qxl->pci.io_bar);
-
- pci_register_bar(&qxl->pci.pci, QXL_ROM_RANGE_INDEX,
- PCI_BASE_ADDRESS_SPACE_MEMORY, &qxl->pci.rom_bar);
-
- pci_register_bar(&qxl->pci.pci, QXL_RAM_RANGE_INDEX,
- PCI_BASE_ADDRESS_SPACE_MEMORY, &qxl->pci.vga.vram);
-
- pci_register_bar(&qxl->pci.pci, QXL_VRAM_RANGE_INDEX,
- PCI_BASE_ADDRESS_SPACE_MEMORY, &qxl->pci.vram32_bar);
-
- if (qxl->vram32_size < qxl->vram_size) {
- /*
- * Make the 64bit vram bar show up only in case it is
- * configured to be larger than the 32bit vram bar.
- */
- pci_register_bar(&qxl->pci.pci, QXL_VRAM64_RANGE_INDEX,
- PCI_BASE_ADDRESS_SPACE_MEMORY |
- PCI_BASE_ADDRESS_MEM_TYPE_64 |
- PCI_BASE_ADDRESS_MEM_PREFETCH,
- &qxl->pci.vram_bar);
- }
-
- /* print pci bar details */
- dprint(qxl, 1, "ram/%s: %d MB [region 0]\n",
- qxl->id == 0 ? "pri" : "sec",
- qxl->pci.vga.vram_size / (1024*1024));
- dprint(qxl, 1, "vram/32: %d MB [region 1]\n",
- qxl->vram32_size / (1024*1024));
- dprint(qxl, 1, "vram/64: %d MB %s\n",
- qxl->vram_size / (1024*1024),
- qxl->vram32_size < qxl->vram_size ? "[region 4]" : "[unmapped]");
-
- qxl->ssd.qxl.base.sif = &qxl_interface.base;
- qxl->ssd.qxl.id = qxl->id;
- qemu_spice_add_interface(&qxl->ssd.qxl.base);
- qemu_add_vm_change_state_handler(qxl_vm_change_state_handler, qxl);
-
- init_pipe_signaling(qxl);
- qxl_reset_state(qxl);
-
- qxl->update_area_bh = qemu_bh_new(qxl_render_update_area_bh, qxl);
-
- return 0;
-}
-
-static int qxl_init_primary(PCIDevice *dev)
-{
- QXLDevice *qxl = (QXLDevice *) DO_UPCAST(PCIQXLDevice, pci, dev);
- VGACommonState *vga = &qxl->pci.vga;
- PortioList *qxl_vga_port_list = g_new(PortioList, 1);
-
- qxl->id = 0;
- qxl_init_ramsize(qxl);
- vga->vram_size_mb = qxl->pci.vga.vram_size >> 20;
- vga_common_init(vga);
- vga_init(vga, pci_address_space(dev), pci_address_space_io(dev), false);
- portio_list_init(qxl_vga_port_list, qxl_vga_portio_list, vga, "vga");
- portio_list_add(qxl_vga_port_list, pci_address_space_io(dev), 0x3b0);
-
- vga->ds = graphic_console_init(qxl_hw_update, qxl_hw_invalidate,
- qxl_hw_screen_dump, qxl_hw_text_update,
qxl);
- qemu_spice_display_init_common(&qxl->ssd, vga->ds);
-
- qxl0 = qxl;
- register_displaychangelistener(vga->ds, &display_listener);
-
- return qxl_init_common(qxl);
-}
-
-static int qxl_init_secondary(PCIDevice *dev)
-{
- static int device_id = 1;
- QXLDevice *qxl = (QXLDevice *) DO_UPCAST(PCIQXLDevice, pci, dev);
-
- qxl->id = device_id++;
- qxl_init_ramsize(qxl);
- memory_region_init_ram(&qxl->pci.vga.vram, "qxl-pci.vgavram",
qxl->pci.vga.vram_size);
- vmstate_register_ram(&qxl->pci.vga.vram, &qxl->pci.pci.qdev);
- qxl->pci.vga.vram_ptr = memory_region_get_ram_ptr(&qxl->pci.vga.vram);
-
- return qxl_init_common(qxl);
-}
-
-static void qxl_pre_save(void *opaque)
-{
- QXLDevice* d = opaque;
- uint8_t *ram_start = d->pci.vga.vram_ptr;
-
- trace_qxl_pre_save(d->id);
- if (d->last_release == NULL) {
- d->last_release_offset = 0;
- } else {
- d->last_release_offset = (uint8_t *)d->last_release - ram_start;
- }
- assert(d->last_release_offset < d->pci.vga.vram_size);
-}
-
-static int qxl_pre_load(void *opaque)
-{
- QXLDevice* d = opaque;
-
- trace_qxl_pre_load(d->id);
- qxl_hard_reset(d, 1);
- qxl_exit_vga_mode(d);
- return 0;
-}
-
-static void qxl_create_memslots(QXLDevice *d)
-{
- int i;
-
- for (i = 0; i < NUM_MEMSLOTS; i++) {
- if (!d->guest_slots[i].active) {
- continue;
- }
- qxl_add_memslot(d, i, 0, QXL_SYNC);
- }
-}
-
-static int qxl_post_load(void *opaque, int version)
-{
- QXLDevice *d = opaque;
- uint8_t *ram_start = d->pci.vga.vram_ptr;
- QXLCommandExt *cmds;
- int in, out, newmode;
-
- assert(d->last_release_offset < d->pci.vga.vram_size);
- if (d->last_release_offset == 0) {
- d->last_release = NULL;
- } else {
- d->last_release = (QXLReleaseInfo *)(ram_start +
d->last_release_offset);
- }
-
- d->modes = (QXLModes*)((uint8_t*)d->rom + d->rom->modes_offset);
-
- trace_qxl_post_load(d->id, qxl_mode_to_string(d->pci.mode));
- newmode = d->pci.mode;
- d->pci.mode = QXL_MODE_UNDEFINED;
-
- switch (newmode) {
- case QXL_MODE_UNDEFINED:
- break;
- case QXL_MODE_VGA:
- qxl_create_memslots(d);
- qxl_enter_vga_mode(d);
- break;
- case QXL_MODE_NATIVE:
- qxl_create_memslots(d);
- qxl_create_guest_primary(d, 1, QXL_SYNC);
-
- /* replay surface-create and cursor-set commands */
- cmds = g_malloc0(sizeof(QXLCommandExt) * (NUM_SURFACES + 1));
- for (in = 0, out = 0; in < NUM_SURFACES; in++) {
- if (d->guest_surfaces.cmds[in] == 0) {
- continue;
- }
- cmds[out].cmd.data = d->guest_surfaces.cmds[in];
- cmds[out].cmd.type = QXL_CMD_SURFACE;
- cmds[out].group_id = MEMSLOT_GROUP_GUEST;
- out++;
- }
- if (d->guest_cursor) {
- cmds[out].cmd.data = d->guest_cursor;
- cmds[out].cmd.type = QXL_CMD_CURSOR;
- cmds[out].group_id = MEMSLOT_GROUP_GUEST;
- out++;
- }
- qxl_spice_loadvm_commands(d, cmds, out);
- g_free(cmds);
-
- break;
- case QXL_MODE_COMPAT:
- /* note: no need to call qxl_create_memslots, qxl_set_mode
- * creates the mem slot. */
- qxl_set_mode(d, d->shadow_rom.mode, 1);
- break;
- }
- return 0;
-}
-
-#define QXL_SAVE_VERSION 21
-
-static VMStateDescription qxl_memslot = {
- .name = "qxl-memslot",
- .version_id = QXL_SAVE_VERSION,
- .minimum_version_id = QXL_SAVE_VERSION,
- .fields = (VMStateField[]) {
- VMSTATE_UINT64(slot.mem_start, struct guest_slots),
- VMSTATE_UINT64(slot.mem_end, struct guest_slots),
- VMSTATE_UINT32(active, struct guest_slots),
- VMSTATE_END_OF_LIST()
- }
-};
-
-static VMStateDescription qxl_surface = {
- .name = "qxl-surface",
- .version_id = QXL_SAVE_VERSION,
- .minimum_version_id = QXL_SAVE_VERSION,
- .fields = (VMStateField[]) {
- VMSTATE_UINT32(width, QXLSurfaceCreate),
- VMSTATE_UINT32(height, QXLSurfaceCreate),
- VMSTATE_INT32(stride, QXLSurfaceCreate),
- VMSTATE_UINT32(format, QXLSurfaceCreate),
- VMSTATE_UINT32(position, QXLSurfaceCreate),
- VMSTATE_UINT32(mouse_mode, QXLSurfaceCreate),
- VMSTATE_UINT32(flags, QXLSurfaceCreate),
- VMSTATE_UINT32(type, QXLSurfaceCreate),
- VMSTATE_UINT64(mem, QXLSurfaceCreate),
- VMSTATE_END_OF_LIST()
- }
-};
-
-static VMStateDescription qxl_vmstate = {
- .name = "qxl",
- .version_id = QXL_SAVE_VERSION,
- .minimum_version_id = QXL_SAVE_VERSION,
- .pre_save = qxl_pre_save,
- .pre_load = qxl_pre_load,
- .post_load = qxl_post_load,
- .fields = (VMStateField []) {
- VMSTATE_PCI_DEVICE(pci, PCIQXLDevice),
- VMSTATE_STRUCT(vga, PCIQXLDevice, 0, vmstate_vga_common,
VGACommonState),
- VMSTATE_UINT32(shadow_rom.mode, QXLDevice),
- VMSTATE_UINT32(num_free_res, QXLDevice),
- VMSTATE_UINT32(last_release_offset, QXLDevice),
- VMSTATE_UINT32(mode, PCIQXLDevice),
- VMSTATE_UINT32(ssd.unique, QXLDevice),
- VMSTATE_INT32_EQUAL(num_memslots, QXLDevice),
- VMSTATE_STRUCT_ARRAY(guest_slots, QXLDevice, NUM_MEMSLOTS, 0,
- qxl_memslot, struct guest_slots),
- VMSTATE_STRUCT(guest_primary.surface, QXLDevice, 0,
- qxl_surface, QXLSurfaceCreate),
- VMSTATE_INT32_EQUAL(num_surfaces, QXLDevice),
- VMSTATE_ARRAY(guest_surfaces.cmds, QXLDevice, NUM_SURFACES, 0,
- vmstate_info_uint64, uint64_t),
- VMSTATE_UINT64(guest_cursor, QXLDevice),
- VMSTATE_END_OF_LIST()
- },
-};
-
-static Property qxl_properties[] = {
- DEFINE_PROP_UINT32("ram_size", PCIQXLDevice, vga.vram_size,
- 64 * 1024 * 1024),
- DEFINE_PROP_UINT32("vram_size", QXLDevice, vram32_size,
- 64 * 1024 * 1024),
- DEFINE_PROP_UINT32("revision", PCIQXLDevice, revision,
- QXL_DEFAULT_REVISION),
- DEFINE_PROP_UINT32("debug", QXLDevice, debug, 0),
- DEFINE_PROP_UINT32("guestdebug", PCIQXLDevice, guestdebug, 0),
- DEFINE_PROP_UINT32("cmdlog", PCIQXLDevice, cmdlog, 0),
- DEFINE_PROP_UINT32("ram_size_mb", QXLDevice, ram_size_mb, -1),
- DEFINE_PROP_UINT32("vram_size_mb", QXLDevice, vram32_size_mb, -1),
- DEFINE_PROP_UINT32("vram64_size_mb", QXLDevice, vram_size_mb, -1),
- DEFINE_PROP_UINT32("vgamem_mb", PCIQXLDevice, vgamem_size_mb, 16),
- DEFINE_PROP_END_OF_LIST(),
-};
-
-static void qxl_primary_class_init(ObjectClass *klass, void *data)
-{
- DeviceClass *dc = DEVICE_CLASS(klass);
- PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
-
- k->no_hotplug = 1;
- k->init = qxl_init_primary;
- k->romfile = "vgabios-qxl.bin";
- k->vendor_id = REDHAT_PCI_VENDOR_ID;
- k->device_id = QXL_DEVICE_ID_STABLE;
- k->class_id = PCI_CLASS_DISPLAY_VGA;
- dc->desc = "Spice QXL GPU (primary, vga compatible)";
- dc->reset = qxl_reset_handler;
- dc->vmsd = &qxl_vmstate;
- dc->props = qxl_properties;
-}
-
-static TypeInfo qxl_primary_info = {
- .name = "qxl-vga",
- .parent = TYPE_PCI_DEVICE,
- .instance_size = sizeof(QXLDevice),
- .class_init = qxl_primary_class_init,
-};
-
-static void qxl_secondary_class_init(ObjectClass *klass, void *data)
-{
- DeviceClass *dc = DEVICE_CLASS(klass);
- PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
-
- k->init = qxl_init_secondary;
- k->vendor_id = REDHAT_PCI_VENDOR_ID;
- k->device_id = QXL_DEVICE_ID_STABLE;
- k->class_id = PCI_CLASS_DISPLAY_OTHER;
- dc->desc = "Spice QXL GPU (secondary)";
- dc->reset = qxl_reset_handler;
- dc->vmsd = &qxl_vmstate;
- dc->props = qxl_properties;
-}
-
-static TypeInfo qxl_secondary_info = {
- .name = "qxl",
- .parent = TYPE_PCI_DEVICE,
- .instance_size = sizeof(QXLDevice),
- .class_init = qxl_secondary_class_init,
-};
-
-static void qxl_register_types(void)
-{
- type_register_static(&qxl_primary_info);
- type_register_static(&qxl_secondary_info);
-}
-
-type_init(qxl_register_types)
diff --git a/hw/qxl.h b/hw/qxl.h
index f25e341..516e7da 100644
--- a/hw/qxl.h
+++ b/hw/qxl.h
@@ -143,6 +143,44 @@ typedef struct QXLDevice {
} \
} while (0)
+/*
+ * NOTE: SPICE_RING_PROD_ITEM accesses memory on the pci bar and as
+ * such can be changed by the guest, so to avoid a guest trigerrable
+ * abort we just qxl_set_guest_bug and set the return to NULL. Still
+ * it may happen as a result of emulator bug as well.
+ */
+#undef SPICE_RING_PROD_ITEM
+#define SPICE_RING_PROD_ITEM(qxl, r, ret) { \
+ typeof(r) start = r; \
+ typeof(r) end = r + 1; \
+ uint32_t prod = (r)->prod & SPICE_RING_INDEX_MASK(r); \
+ typeof(&(r)->items[prod]) m_item = &(r)->items[prod]; \
+ if (!((uint8_t*)m_item >= (uint8_t*)(start) && (uint8_t*)(m_item + 1)
<= (uint8_t*)(end))) { \
+ qxl_set_guest_bug(qxl, "SPICE_RING_PROD_ITEM indices mismatch " \
+ "! %p <= %p < %p", (uint8_t *)start, \
+ (uint8_t *)m_item, (uint8_t *)end); \
+ ret = NULL; \
+ } else { \
+ ret = &m_item->el; \
+ } \
+ }
+
+#undef SPICE_RING_CONS_ITEM
+#define SPICE_RING_CONS_ITEM(qxl, r, ret) { \
+ typeof(r) start = r; \
+ typeof(r) end = r + 1; \
+ uint32_t cons = (r)->cons & SPICE_RING_INDEX_MASK(r); \
+ typeof(&(r)->items[cons]) m_item = &(r)->items[cons]; \
+ if (!((uint8_t*)m_item >= (uint8_t*)(start) && (uint8_t*)(m_item + 1)
<= (uint8_t*)(end))) { \
+ qxl_set_guest_bug(qxl, "SPICE_RING_CONS_ITEM indices mismatch " \
+ "! %p <= %p < %p", (uint8_t *)start, \
+ (uint8_t *)m_item, (uint8_t *)end); \
+ ret = NULL; \
+ } else { \
+ ret = &m_item->el; \
+ } \
+ }
+
/* qxl.c */
void *qxl_phys2virt(QXLDevice *qxl, QXLPHYSICAL phys, int group_id);
void qxl_set_guest_bug(QXLDevice *qxl, const char *msg, ...)
@@ -158,6 +196,22 @@ void qxl_spice_oom(QXLDevice *qxl);
void qxl_spice_reset_memslots(QXLDevice *qxl);
void qxl_spice_reset_image_cache(QXLDevice *qxl);
void qxl_spice_reset_cursor(QXLDevice *qxl);
+void init_qxl_rom(QXLDevice *d);
+void init_qxl_ram(QXLDevice *d);
+void interface_attach_worker(QXLInstance *sin, QXLWorker *qxl_worker);
+void interface_set_compression_level(QXLInstance *sin, int level);
+void interface_set_mm_time(QXLInstance *sin, uint32_t mm_time);
+void interface_get_init_info(QXLInstance *sin, QXLDevInitInfo *info);
+int interface_get_command(QXLInstance *sin, struct QXLCommandExt *ext);
+int interface_req_cmd_notification(QXLInstance *sin);
+void interface_release_resource(QXLInstance *sin, struct QXLReleaseInfoExt
ext);
+int interface_get_cursor_command(QXLInstance *sin, struct QXLCommandExt *ext);
+int interface_req_cursor_notification(QXLInstance *sin);
+void interface_notify_update(QXLInstance *sin, uint32_t update_id);
+int interface_flush_resources(QXLInstance *sin);
+void interface_update_area_complete(QXLInstance *sin, uint32_t surface_id,
QXLRect *dirty, uint32_t num_updated_rects);
+void interface_async_complete(QXLInstance *sin, uint64_t cookie_token);
+ram_addr_t qxl_rom_size(void);
/* qxl-logger.c */
int qxl_log_cmd_cursor(QXLDevice *qxl, QXLCursorCmd *cmd, int group_id);
@@ -169,3 +223,69 @@ void qxl_render_update(QXLDevice *qxl);
int qxl_render_cursor(QXLDevice *qxl, QXLCommandExt *ext);
void qxl_render_update_area_done(QXLDevice *qxl, QXLCookie *cookie);
void qxl_render_update_area_bh(void *opaque);
+
+/* qxl-pci.c */
+void qxl_send_events(QXLDevice *d, uint32_t events);
+int qxl_destroy_primary(QXLDevice *d, qxl_async_io async);
+void qxl_reset_memslots(QXLDevice *d);
+void qxl_reset_surfaces(QXLDevice *d);
+void qxl_ring_set_dirty(QXLDevice *qxl);
+void qxl_rom_set_dirty(QXLDevice *qxl);
+void qxl_ram_set_dirty(QXLDevice *qxl, void *ptr);
+void interface_async_complete_io(QXLDevice *qxl, QXLCookie *cookie);
+int interface_get_command_pci(QXLDevice *qxl, struct QXLCommandExt *ext);
+int interface_get_cursor_command_pci(QXLDevice *qxl, struct QXLCommandExt
*ext);
+const char *qxl_mode_to_string(int mode);
+
+/* called from spice server thread context only */
+static inline void qxl_push_free_res(QXLDevice *d, int flush)
+{
+ QXLReleaseRing *ring = &d->ram->release_ring;
+ uint64_t *item;
+ int notify;
+
+#define QXL_FREE_BUNCH_SIZE 32
+
+ if (ring->prod - ring->cons + 1 == ring->num_items) {
+ /* ring full -- can't push */
+ return;
+ }
+ if (!flush && d->oom_running) {
+ /* collect everything from oom handler before pushing */
+ return;
+ }
+ if (!flush && d->num_free_res < QXL_FREE_BUNCH_SIZE) {
+ /* collect a bit more before pushing */
+ return;
+ }
+
+ SPICE_RING_PUSH(ring, notify);
+ trace_qxl_ring_res_push(d->id, qxl_mode_to_string(d->pci.mode),
+ d->guest_surfaces.count, d->num_free_res,
+ d->last_release, notify ? "yes" : "no");
+ trace_qxl_ring_res_push_rest(d->id, ring->prod - ring->cons,
+ ring->num_items, ring->prod, ring->cons);
+ if (notify) {
+ qxl_send_events(d, QXL_INTERRUPT_DISPLAY);
+ }
+ SPICE_RING_PROD_ITEM(d, ring, item);
+ if (!item) {
+ return;
+ }
+ *item = 0;
+ d->num_free_res = 0;
+ d->last_release = NULL;
+ qxl_ring_set_dirty(d);
+}
+
+static inline uint32_t msb_mask(uint32_t val)
+{
+ uint32_t mask;
+
+ do {
+ mask = ~(val - 1) & val;
+ val &= ~mask;
+ } while (mask < val);
+
+ return mask;
+}
--
1.7.4.1