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qxl.c
1531 lines (1347 loc) · 46.8 KB
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qxl.c
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/*
* Copyright (C) 2010 Red Hat, Inc.
*
* written by Yaniv Kamay, Izik Eidus, Gerd Hoffmann
* maintained by Gerd Hoffmann <kraxel@redhat.com>
*
* 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 <pthread.h>
#include "qemu-common.h"
#include "qemu-timer.h"
#include "qemu-queue.h"
#include "monitor.h"
#include "sysemu.h"
#include "qxl.h"
#undef SPICE_RING_PROD_ITEM
#define SPICE_RING_PROD_ITEM(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))) { \
abort(); \
} \
ret = &m_item->el; \
}
#undef SPICE_RING_CONS_ITEM
#define SPICE_RING_CONS_ITEM(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))) { \
abort(); \
} \
ret = &m_item->el; \
}
#undef ALIGN
#define ALIGN(a, b) (((a) + ((b) - 1)) & ~((b) - 1))
#define PIXEL_SIZE 0.2936875 //1280x1024 is 14.8" x 11.9"
#define QXL_MODE(_x, _y, _b, _o) \
{ .x_res = _x, \
.y_res = _y, \
.bits = _b, \
.stride = (_x) * (_b) / 8, \
.x_mili = PIXEL_SIZE * (_x), \
.y_mili = PIXEL_SIZE * (_y), \
.orientation = _o, \
}
#define QXL_MODE_16_32(x_res, y_res, orientation) \
QXL_MODE(x_res, y_res, 16, orientation), \
QXL_MODE(x_res, y_res, 32, orientation)
#define QXL_MODE_EX(x_res, y_res) \
QXL_MODE_16_32(x_res, y_res, 0), \
QXL_MODE_16_32(y_res, x_res, 1), \
QXL_MODE_16_32(x_res, y_res, 2), \
QXL_MODE_16_32(y_res, x_res, 3)
static QXLMode qxl_modes[] = {
QXL_MODE_EX(640, 480),
QXL_MODE_EX(800, 480),
QXL_MODE_EX(800, 600),
QXL_MODE_EX(832, 624),
QXL_MODE_EX(960, 640),
QXL_MODE_EX(1024, 600),
QXL_MODE_EX(1024, 768),
QXL_MODE_EX(1152, 864),
QXL_MODE_EX(1152, 870),
QXL_MODE_EX(1280, 720),
QXL_MODE_EX(1280, 760),
QXL_MODE_EX(1280, 768),
QXL_MODE_EX(1280, 800),
QXL_MODE_EX(1280, 960),
QXL_MODE_EX(1280, 1024),
QXL_MODE_EX(1360, 768),
QXL_MODE_EX(1366, 768),
QXL_MODE_EX(1400, 1050),
QXL_MODE_EX(1440, 900),
QXL_MODE_EX(1600, 900),
QXL_MODE_EX(1600, 1200),
QXL_MODE_EX(1680, 1050),
QXL_MODE_EX(1920, 1080),
#if VGA_RAM_SIZE >= (16 * 1024 * 1024)
/* these modes need more than 8 MB video memory */
QXL_MODE_EX(1920, 1200),
QXL_MODE_EX(1920, 1440),
QXL_MODE_EX(2048, 1536),
QXL_MODE_EX(2560, 1440),
QXL_MODE_EX(2560, 1600),
#endif
#if VGA_RAM_SIZE >= (32 * 1024 * 1024)
/* these modes need more than 16 MB video memory */
QXL_MODE_EX(2560, 2048),
QXL_MODE_EX(2800, 2100),
QXL_MODE_EX(3200, 2400),
#endif
};
static PCIQXLDevice *qxl0;
static void qxl_send_events(PCIQXLDevice *d, uint32_t events);
static void qxl_destroy_primary(PCIQXLDevice *d);
static void qxl_reset_memslots(PCIQXLDevice *d);
static void qxl_reset_surfaces(PCIQXLDevice *d);
static void qxl_ring_set_dirty(PCIQXLDevice *qxl);
static inline uint32_t msb_mask(uint32_t val)
{
uint32_t mask;
do {
mask = ~(val - 1) & val;
val &= ~mask;
} while (mask < val);
return mask;
}
static ram_addr_t qxl_rom_size(void)
{
uint32_t rom_size = sizeof(QXLRom) + sizeof(QXLModes) + sizeof(qxl_modes);
rom_size = MAX(rom_size, TARGET_PAGE_SIZE);
rom_size = msb_mask(rom_size * 2 - 1);
return rom_size;
}
static void init_qxl_rom(PCIQXLDevice *d)
{
QXLRom *rom = qemu_get_ram_ptr(d->rom_offset);
QXLModes *modes = (QXLModes *)(rom + 1);
uint32_t ram_header_size;
uint32_t surface0_area_size;
uint32_t num_pages;
uint32_t fb, maxfb = 0;
int i;
memset(rom, 0, d->rom_size);
rom->magic = cpu_to_le32(QXL_ROM_MAGIC);
rom->id = cpu_to_le32(d->id);
rom->log_level = cpu_to_le32(d->guestdebug);
rom->modes_offset = cpu_to_le32(sizeof(QXLRom));
rom->slot_gen_bits = MEMSLOT_GENERATION_BITS;
rom->slot_id_bits = MEMSLOT_SLOT_BITS;
rom->slots_start = 1;
rom->slots_end = NUM_MEMSLOTS - 1;
rom->n_surfaces = cpu_to_le32(NUM_SURFACES);
modes->n_modes = cpu_to_le32(ARRAY_SIZE(qxl_modes));
for (i = 0; i < modes->n_modes; i++) {
fb = qxl_modes[i].y_res * qxl_modes[i].stride;
if (maxfb < fb) {
maxfb = fb;
}
modes->modes[i].id = cpu_to_le32(i);
modes->modes[i].x_res = cpu_to_le32(qxl_modes[i].x_res);
modes->modes[i].y_res = cpu_to_le32(qxl_modes[i].y_res);
modes->modes[i].bits = cpu_to_le32(qxl_modes[i].bits);
modes->modes[i].stride = cpu_to_le32(qxl_modes[i].stride);
modes->modes[i].x_mili = cpu_to_le32(qxl_modes[i].x_mili);
modes->modes[i].y_mili = cpu_to_le32(qxl_modes[i].y_mili);
modes->modes[i].orientation = cpu_to_le32(qxl_modes[i].orientation);
}
if (maxfb < VGA_RAM_SIZE && d->id == 0)
maxfb = VGA_RAM_SIZE;
ram_header_size = ALIGN(sizeof(QXLRam), 4096);
surface0_area_size = ALIGN(maxfb, 4096);
num_pages = d->vga.vram_size;
num_pages -= ram_header_size;
num_pages -= surface0_area_size;
num_pages = num_pages / TARGET_PAGE_SIZE;
rom->draw_area_offset = cpu_to_le32(0);
rom->surface0_area_size = cpu_to_le32(surface0_area_size);
rom->pages_offset = cpu_to_le32(surface0_area_size);
rom->num_pages = cpu_to_le32(num_pages);
rom->ram_header_offset = cpu_to_le32(d->vga.vram_size - ram_header_size);
d->shadow_rom = *rom;
d->rom = rom;
d->modes = modes;
}
static void init_qxl_ram(PCIQXLDevice *d)
{
uint8_t *buf;
uint64_t *item;
buf = d->vga.vram_ptr;
d->ram = (QXLRam *)(buf + le32_to_cpu(d->shadow_rom.ram_header_offset));
d->ram->magic = cpu_to_le32(QXL_RAM_MAGIC);
d->ram->int_pending = cpu_to_le32(0);
d->ram->int_mask = cpu_to_le32(0);
SPICE_RING_INIT(&d->ram->cmd_ring);
SPICE_RING_INIT(&d->ram->cursor_ring);
SPICE_RING_INIT(&d->ram->release_ring);
SPICE_RING_PROD_ITEM(&d->ram->release_ring, item);
*item = 0;
qxl_ring_set_dirty(d);
}
/* can be called from spice server thread context */
static void qxl_set_dirty(ram_addr_t addr, ram_addr_t end)
{
while (addr < end) {
cpu_physical_memory_set_dirty(addr);
addr += TARGET_PAGE_SIZE;
}
}
static void qxl_rom_set_dirty(PCIQXLDevice *qxl)
{
ram_addr_t addr = qxl->rom_offset;
qxl_set_dirty(addr, addr + qxl->rom_size);
}
/* called from spice server thread context only */
static void qxl_ram_set_dirty(PCIQXLDevice *qxl, void *ptr)
{
ram_addr_t addr = qxl->vga.vram_offset;
void *base = qxl->vga.vram_ptr;
intptr_t offset;
offset = ptr - base;
offset &= ~(TARGET_PAGE_SIZE-1);
assert(offset < qxl->vga.vram_size);
qxl_set_dirty(addr + offset, addr + offset + TARGET_PAGE_SIZE);
}
/* can be called from spice server thread context */
static void qxl_ring_set_dirty(PCIQXLDevice *qxl)
{
ram_addr_t addr = qxl->vga.vram_offset + qxl->shadow_rom.ram_header_offset;
ram_addr_t end = qxl->vga.vram_offset + qxl->vga.vram_size;
qxl_set_dirty(addr, end);
}
/*
* keep track of some command state, for savevm/loadvm.
* called from spice server thread context only
*/
static void qxl_track_command(PCIQXLDevice *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);
uint32_t id = le32_to_cpu(cmd->surface_id);
PANIC_ON(id >= NUM_SURFACES);
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--;
}
break;
}
case QXL_CMD_CURSOR:
{
QXLCursorCmd *cmd = qxl_phys2virt(qxl, ext->cmd.data, ext->group_id);
if (cmd->type == QXL_CURSOR_SET) {
qxl->guest_cursor = ext->cmd.data;
}
break;
}
}
}
/* spice display interface callbacks */
static void interface_attach_worker(QXLInstance *sin, QXLWorker *qxl_worker)
{
PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
dprint(qxl, 1, "%s:\n", __FUNCTION__);
qxl->ssd.worker = qxl_worker;
}
static void interface_set_compression_level(QXLInstance *sin, int level)
{
PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
dprint(qxl, 1, "%s: %d\n", __FUNCTION__, level);
qxl->shadow_rom.compression_level = cpu_to_le32(level);
qxl->rom->compression_level = cpu_to_le32(level);
qxl_rom_set_dirty(qxl);
}
static void interface_set_mm_time(QXLInstance *sin, uint32_t mm_time)
{
PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
qxl->shadow_rom.mm_clock = cpu_to_le32(mm_time);
qxl->rom->mm_clock = cpu_to_le32(mm_time);
qxl_rom_set_dirty(qxl);
}
static void interface_get_init_info(QXLInstance *sin, QXLDevInitInfo *info)
{
PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
dprint(qxl, 1, "%s:\n", __FUNCTION__);
info->memslot_gen_bits = MEMSLOT_GENERATION_BITS;
info->memslot_id_bits = MEMSLOT_SLOT_BITS;
info->num_memslots = NUM_MEMSLOTS;
info->num_memslots_groups = NUM_MEMSLOTS_GROUPS;
info->internal_groupslot_id = 0;
info->qxl_ram_size = le32_to_cpu(qxl->shadow_rom.num_pages) << TARGET_PAGE_BITS;
info->n_surfaces = NUM_SURFACES;
}
/* called from spice server thread context only */
static int interface_get_command(QXLInstance *sin, struct QXLCommandExt *ext)
{
PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
SimpleSpiceUpdate *update;
QXLCommandRing *ring;
QXLCommand *cmd;
int notify;
switch (qxl->mode) {
case QXL_MODE_VGA:
dprint(qxl, 2, "%s: vga\n", __FUNCTION__);
update = qemu_spice_create_update(&qxl->ssd);
if (update == NULL) {
return false;
}
*ext = update->ext;
qxl_log_command(qxl, "vga", ext);
return true;
case QXL_MODE_COMPAT:
case QXL_MODE_NATIVE:
case QXL_MODE_UNDEFINED:
dprint(qxl, 2, "%s: %s\n", __FUNCTION__,
qxl->cmdflags ? "compat" : "native");
ring = &qxl->ram->cmd_ring;
if (SPICE_RING_IS_EMPTY(ring)) {
return false;
}
SPICE_RING_CONS_ITEM(ring, cmd);
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);
return true;
default:
return false;
}
}
/* called from spice server thread context only */
static int interface_req_cmd_notification(QXLInstance *sin)
{
PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
int wait = 1;
switch (qxl->mode) {
case QXL_MODE_COMPAT:
case QXL_MODE_NATIVE:
case QXL_MODE_UNDEFINED:
SPICE_RING_CONS_WAIT(&qxl->ram->cmd_ring, wait);
qxl_ring_set_dirty(qxl);
break;
default:
/* nothing */
break;
}
return wait;
}
/* called from spice server thread context only */
static inline void qxl_push_free_res(PCIQXLDevice *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);
dprint(d, 2, "free: push %d items, notify %s, ring %d/%d [%d,%d]\n",
d->num_free_res, notify ? "yes" : "no",
ring->prod - ring->cons, ring->num_items,
ring->prod, ring->cons);
if (notify) {
qxl_send_events(d, QXL_INTERRUPT_DISPLAY);
}
SPICE_RING_PROD_ITEM(ring, item);
*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,
struct QXLReleaseInfoExt ext)
{
PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
QXLReleaseRing *ring;
uint64_t *item, id;
if (ext.group_id == MEMSLOT_GROUP_HOST) {
/* host group -> vga mode update request */
qemu_spice_destroy_update(&qxl->ssd, (void*)ext.info->id);
return;
}
/*
* ext->info points into guest-visible memory
* pci bar 0, $command.release_info
*/
ring = &qxl->ram->release_ring;
SPICE_RING_PROD_ITEM(ring, item);
if (*item == 0) {
/* stick head into the ring */
id = ext.info->id;
ext.info->next = 0;
qxl_ram_set_dirty(qxl, &ext.info->next);
*item = id;
qxl_ring_set_dirty(qxl);
} else {
/* append item to the list */
qxl->last_release->next = ext.info->id;
qxl_ram_set_dirty(qxl, &qxl->last_release->next);
ext.info->next = 0;
qxl_ram_set_dirty(qxl, &ext.info->next);
}
qxl->last_release = ext.info;
qxl->num_free_res++;
dprint(qxl, 3, "%4d\r", qxl->num_free_res);
qxl_push_free_res(qxl, 0);
}
/* called from spice server thread context only */
static int interface_get_cursor_command(QXLInstance *sin, struct QXLCommandExt *ext)
{
PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
QXLCursorRing *ring;
QXLCommand *cmd;
int notify;
switch (qxl->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(ring, cmd);
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);
}
return true;
default:
return false;
}
}
/* called from spice server thread context only */
static int interface_req_cursor_notification(QXLInstance *sin)
{
PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
int wait = 1;
switch (qxl->mode) {
case QXL_MODE_COMPAT:
case QXL_MODE_NATIVE:
case QXL_MODE_UNDEFINED:
SPICE_RING_CONS_WAIT(&qxl->ram->cursor_ring, wait);
qxl_ring_set_dirty(qxl);
break;
default:
/* nothing */
break;
}
return wait;
}
/* called from spice server thread context */
static void interface_notify_update(QXLInstance *sin, uint32_t update_id)
{
fprintf(stderr, "%s: abort()\n", __FUNCTION__);
abort();
}
/* called from spice server thread context only */
static int interface_flush_resources(QXLInstance *sin)
{
PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
int ret;
dprint(qxl, 1, "free: guest flush (have %d)\n", qxl->num_free_res);
ret = qxl->num_free_res;
if (ret) {
qxl_push_free_res(qxl, 1);
}
return ret;
}
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,
};
static void qxl_enter_vga_mode(PCIQXLDevice *d)
{
if (d->mode == QXL_MODE_VGA) {
return;
}
dprint(d, 1, "%s\n", __FUNCTION__);
qemu_spice_create_host_primary(&d->ssd);
d->mode = QXL_MODE_VGA;
memset(&d->ssd.dirty, 0, sizeof(d->ssd.dirty));
}
static void qxl_exit_vga_mode(PCIQXLDevice *d)
{
if (d->mode != QXL_MODE_VGA) {
return;
}
dprint(d, 1, "%s\n", __FUNCTION__);
qxl_destroy_primary(d);
}
static void qxl_set_irq(PCIQXLDevice *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.irq[0], level);
qxl_ring_set_dirty(d);
}
static void qxl_write_config(PCIDevice *d, uint32_t address,
uint32_t val, int len)
{
PCIQXLDevice *qxl = DO_UPCAST(PCIQXLDevice, pci, d);
VGACommonState *vga = &qxl->vga;
vga_dirty_log_stop(vga);
pci_default_write_config(d, address, val, len);
if (vga->map_addr && qxl->pci.io_regions[0].addr == -1) {
vga->map_addr = 0;
}
vga_dirty_log_start(vga);
}
static void qxl_check_state(PCIQXLDevice *d)
{
QXLRam *ram = d->ram;
assert(SPICE_RING_IS_EMPTY(&ram->cmd_ring));
assert(SPICE_RING_IS_EMPTY(&ram->cursor_ring));
}
static void qxl_reset_state(PCIQXLDevice *d)
{
QXLRam *ram = d->ram;
QXLRom *rom = d->rom;
assert(SPICE_RING_IS_EMPTY(&ram->cmd_ring));
assert(SPICE_RING_IS_EMPTY(&ram->cursor_ring));
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(PCIQXLDevice *d)
{
dprint(d, 1, "%s:\n", __FUNCTION__);
qxl_check_state(d);
if (d->id == 0) {
qxl_enter_vga_mode(d);
} else {
d->mode = QXL_MODE_UNDEFINED;
}
}
static void qxl_hard_reset(PCIQXLDevice *d, int loadvm)
{
dprint(d, 1, "%s: start%s\n", __FUNCTION__,
loadvm ? " (loadvm)" : "");
qemu_mutex_unlock_iothread();
d->ssd.worker->reset_cursor(d->ssd.worker);
d->ssd.worker->reset_image_cache(d->ssd.worker);
qemu_mutex_lock_iothread();
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);
dprint(d, 1, "%s: done\n", __FUNCTION__);
}
static void qxl_reset_handler(DeviceState *dev)
{
PCIQXLDevice *d = 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;
PCIQXLDevice *qxl = container_of(vga, PCIQXLDevice, vga);
if (qxl->mode != QXL_MODE_VGA) {
dprint(qxl, 1, "%s\n", __FUNCTION__);
qxl_destroy_primary(qxl);
qxl_soft_reset(qxl);
}
vga_ioport_write(opaque, addr, val);
}
static void qxl_add_memslot(PCIQXLDevice *d, uint32_t slot_id, uint64_t delta)
{
static const int regions[] = {
QXL_RAM_RANGE_INDEX,
QXL_VRAM_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);
dprint(d, 1, "%s: slot %d: guest phys 0x%" PRIx64 " - 0x%" PRIx64 "\n",
__FUNCTION__, slot_id,
guest_start, guest_end);
PANIC_ON(slot_id >= NUM_MEMSLOTS);
PANIC_ON(guest_start > guest_end);
for (i = 0; i < ARRAY_SIZE(regions); i++) {
pci_region = regions[i];
pci_start = d->pci.io_regions[pci_region].addr;
pci_end = pci_start + d->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;
}
PANIC_ON(i == ARRAY_SIZE(regions)); /* finished loop without match */
switch (pci_region) {
case QXL_RAM_RANGE_INDEX:
virt_start = (intptr_t)qemu_get_ram_ptr(d->vga.vram_offset);
break;
case QXL_VRAM_RANGE_INDEX:
virt_start = (intptr_t)qemu_get_ram_ptr(d->vram_offset);
break;
default:
/* should not happen */
abort();
}
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);
dprint(d, 1, "%s: slot %d: host virt 0x%" PRIx64 " - 0x%" PRIx64 "\n",
__FUNCTION__, memslot.slot_id,
memslot.virt_start, memslot.virt_end);
d->ssd.worker->add_memslot(d->ssd.worker, &memslot);
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;
}
static void qxl_del_memslot(PCIQXLDevice *d, uint32_t slot_id)
{
dprint(d, 1, "%s: slot %d\n", __FUNCTION__, slot_id);
d->ssd.worker->del_memslot(d->ssd.worker, MEMSLOT_GROUP_HOST, slot_id);
d->guest_slots[slot_id].active = 0;
}
static void qxl_reset_memslots(PCIQXLDevice *d)
{
dprint(d, 1, "%s:\n", __FUNCTION__);
d->ssd.worker->reset_memslots(d->ssd.worker);
memset(&d->guest_slots, 0, sizeof(d->guest_slots));
}
static void qxl_reset_surfaces(PCIQXLDevice *d)
{
dprint(d, 1, "%s:\n", __FUNCTION__);
d->mode = QXL_MODE_UNDEFINED;
qemu_mutex_unlock_iothread();
d->ssd.worker->destroy_surfaces(d->ssd.worker);
qemu_mutex_lock_iothread();
memset(&d->guest_surfaces.cmds, 0, sizeof(d->guest_surfaces.cmds));
}
/* called from spice server thread context only */
void *qxl_phys2virt(PCIQXLDevice *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*)offset;
case MEMSLOT_GROUP_GUEST:
PANIC_ON(slot > NUM_MEMSLOTS);
PANIC_ON(!qxl->guest_slots[slot].active);
PANIC_ON(offset < qxl->guest_slots[slot].delta);
offset -= qxl->guest_slots[slot].delta;
PANIC_ON(offset > qxl->guest_slots[slot].size)
return qxl->guest_slots[slot].ptr + offset;
default:
PANIC_ON(1);
}
}
static void qxl_create_guest_primary(PCIQXLDevice *qxl, int loadvm)
{
QXLDevSurfaceCreate surface;
QXLSurfaceCreate *sc = &qxl->guest_primary.surface;
assert(qxl->mode != QXL_MODE_NATIVE);
qxl_exit_vga_mode(qxl);
dprint(qxl, 1, "%s: %dx%d\n", __FUNCTION__,
le32_to_cpu(sc->width), le32_to_cpu(sc->height));
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);
surface.mouse_mode = true;
surface.group_id = MEMSLOT_GROUP_GUEST;
if (loadvm) {
surface.flags |= QXL_SURF_FLAG_KEEP_DATA;
}
qxl->mode = QXL_MODE_NATIVE;
qxl->cmdflags = 0;
qxl->ssd.worker->create_primary_surface(qxl->ssd.worker, 0, &surface);
/* for local rendering */
qxl_render_resize(qxl);
}
static void qxl_destroy_primary(PCIQXLDevice *d)
{
if (d->mode == QXL_MODE_UNDEFINED) {
return;
}
dprint(d, 1, "%s\n", __FUNCTION__);
d->mode = QXL_MODE_UNDEFINED;
qemu_mutex_unlock_iothread();
d->ssd.worker->destroy_primary_surface(d->ssd.worker, 0);
qemu_mutex_lock_iothread();
}
static void qxl_set_mode(PCIQXLDevice *d, int modenr, int loadvm)
{
pcibus_t start = d->pci.io_regions[QXL_RAM_RANGE_INDEX].addr;
pcibus_t end = d->pci.io_regions[QXL_RAM_RANGE_INDEX].size + start;
QXLMode *mode = d->modes->modes + modenr;
uint64_t devmem = d->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,
};
dprint(d, 1, "%s: mode %d [ %d x %d @ %d bpp devmem 0x%lx ]\n", __FUNCTION__,
modenr, mode->x_res, mode->y_res, mode->bits, devmem);
if (!loadvm) {
qxl_hard_reset(d, 0);
}
d->guest_slots[0].slot = slot;
qxl_add_memslot(d, 0, devmem);
d->guest_primary.surface = surface;
qxl_create_guest_primary(d, 0);
d->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, uint32_t addr, uint32_t val)
{
PCIQXLDevice *d = opaque;
uint32_t io_port = addr - d->io_base;
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:
break;
default:
if (d->mode == QXL_MODE_NATIVE || d->mode == QXL_MODE_COMPAT)
break;
dprint(d, 1, "%s: unexpected port 0x%x in vga mode\n", __FUNCTION__, io_port);
return;
}
switch (io_port) {
case QXL_IO_UPDATE_AREA:
{
QXLRect update = d->ram->update_area;
qemu_mutex_unlock_iothread();
d->ssd.worker->update_area(d->ssd.worker, d->ram->update_surface,
&update, NULL, 0, 0);
qemu_mutex_lock_iothread();
break;
}
case QXL_IO_NOTIFY_CMD:
d->ssd.worker->wakeup(d->ssd.worker);
break;
case QXL_IO_NOTIFY_CURSOR:
d->ssd.worker->wakeup(d->ssd.worker);
break;
case QXL_IO_UPDATE_IRQ:
qxl_set_irq(d);
break;
case QXL_IO_NOTIFY_OOM:
if (!SPICE_RING_IS_EMPTY(&d->ram->release_ring)) {
break;
}
pthread_yield();
if (!SPICE_RING_IS_EMPTY(&d->ram->release_ring)) {
break;
}
d->oom_running = 1;
d->ssd.worker->oom(d->ssd.worker);
d->oom_running = 0;
break;
case QXL_IO_SET_MODE:
dprint(d, 1, "QXL_SET_MODE %d\n", val);
qxl_set_mode(d, val, 0);
break;
case QXL_IO_LOG:
if (d->guestdebug) {
fprintf(stderr, "qxl/guest: %s", d->ram->log_buf);
}
break;
case QXL_IO_RESET:
dprint(d, 1, "QXL_IO_RESET\n");
qxl_hard_reset(d, 0);
break;
case QXL_IO_MEMSLOT_ADD:
PANIC_ON(val >= NUM_MEMSLOTS);
PANIC_ON(d->guest_slots[val].active);
d->guest_slots[val].slot = d->ram->mem_slot;
qxl_add_memslot(d, val, 0);
break;
case QXL_IO_MEMSLOT_DEL:
qxl_del_memslot(d, val);
break;
case QXL_IO_CREATE_PRIMARY:
PANIC_ON(val != 0);
dprint(d, 1, "QXL_IO_CREATE_PRIMARY\n");
d->guest_primary.surface = d->ram->create_surface;
qxl_create_guest_primary(d, 0);
break;
case QXL_IO_DESTROY_PRIMARY:
PANIC_ON(val != 0);
dprint(d, 1, "QXL_IO_DESTROY_PRIMARY\n");
qxl_destroy_primary(d);
break;