root / hw / display / qxl.c @ 47b43a1f
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/*
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* Copyright (C) 2010 Red Hat, Inc.
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*
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* written by Yaniv Kamay, Izik Eidus, Gerd Hoffmann
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* maintained by Gerd Hoffmann <kraxel@redhat.com>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 or
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* (at your option) version 3 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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#include <zlib.h> |
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#include "qemu-common.h" |
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#include "qemu/timer.h" |
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#include "qemu/queue.h" |
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#include "monitor/monitor.h" |
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#include "sysemu/sysemu.h" |
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#include "trace.h" |
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#include "qxl.h" |
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/*
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* NOTE: SPICE_RING_PROD_ITEM accesses memory on the pci bar and as
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* such can be changed by the guest, so to avoid a guest trigerrable
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* abort we just qxl_set_guest_bug and set the return to NULL. Still
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* it may happen as a result of emulator bug as well.
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*/
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#undef SPICE_RING_PROD_ITEM
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#define SPICE_RING_PROD_ITEM(qxl, r, ret) { \
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uint32_t prod = (r)->prod & SPICE_RING_INDEX_MASK(r); \ |
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if (prod >= ARRAY_SIZE((r)->items)) { \
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qxl_set_guest_bug(qxl, "SPICE_RING_PROD_ITEM indices mismatch " \
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"%u >= %zu", prod, ARRAY_SIZE((r)->items)); \
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ret = NULL; \
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} else { \
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ret = &(r)->items[prod].el; \ |
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} \ |
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} |
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#undef SPICE_RING_CONS_ITEM
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#define SPICE_RING_CONS_ITEM(qxl, r, ret) { \
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uint32_t cons = (r)->cons & SPICE_RING_INDEX_MASK(r); \ |
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if (cons >= ARRAY_SIZE((r)->items)) { \
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qxl_set_guest_bug(qxl, "SPICE_RING_CONS_ITEM indices mismatch " \
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"%u >= %zu", cons, ARRAY_SIZE((r)->items)); \
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ret = NULL; \
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} else { \
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ret = &(r)->items[cons].el; \ |
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} \ |
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} |
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#undef ALIGN
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#define ALIGN(a, b) (((a) + ((b) - 1)) & ~((b) - 1)) |
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#define PIXEL_SIZE 0.2936875 //1280x1024 is 14.8" x 11.9" |
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#define QXL_MODE(_x, _y, _b, _o) \
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{ .x_res = _x, \ |
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.y_res = _y, \ |
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.bits = _b, \ |
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.stride = (_x) * (_b) / 8, \
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.x_mili = PIXEL_SIZE * (_x), \ |
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.y_mili = PIXEL_SIZE * (_y), \ |
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.orientation = _o, \ |
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} |
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#define QXL_MODE_16_32(x_res, y_res, orientation) \
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QXL_MODE(x_res, y_res, 16, orientation), \
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QXL_MODE(x_res, y_res, 32, orientation)
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#define QXL_MODE_EX(x_res, y_res) \
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QXL_MODE_16_32(x_res, y_res, 0), \
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QXL_MODE_16_32(x_res, y_res, 1)
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static QXLMode qxl_modes[] = {
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QXL_MODE_EX(640, 480), |
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QXL_MODE_EX(800, 480), |
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QXL_MODE_EX(800, 600), |
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QXL_MODE_EX(832, 624), |
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QXL_MODE_EX(960, 640), |
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QXL_MODE_EX(1024, 600), |
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QXL_MODE_EX(1024, 768), |
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QXL_MODE_EX(1152, 864), |
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QXL_MODE_EX(1152, 870), |
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QXL_MODE_EX(1280, 720), |
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QXL_MODE_EX(1280, 760), |
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QXL_MODE_EX(1280, 768), |
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QXL_MODE_EX(1280, 800), |
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QXL_MODE_EX(1280, 960), |
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QXL_MODE_EX(1280, 1024), |
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QXL_MODE_EX(1360, 768), |
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QXL_MODE_EX(1366, 768), |
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QXL_MODE_EX(1400, 1050), |
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QXL_MODE_EX(1440, 900), |
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QXL_MODE_EX(1600, 900), |
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QXL_MODE_EX(1600, 1200), |
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QXL_MODE_EX(1680, 1050), |
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QXL_MODE_EX(1920, 1080), |
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/* these modes need more than 8 MB video memory */
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QXL_MODE_EX(1920, 1200), |
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QXL_MODE_EX(1920, 1440), |
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QXL_MODE_EX(2048, 1536), |
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QXL_MODE_EX(2560, 1440), |
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QXL_MODE_EX(2560, 1600), |
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/* these modes need more than 16 MB video memory */
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QXL_MODE_EX(2560, 2048), |
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QXL_MODE_EX(2800, 2100), |
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QXL_MODE_EX(3200, 2400), |
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}; |
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static void qxl_send_events(PCIQXLDevice *d, uint32_t events); |
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static int qxl_destroy_primary(PCIQXLDevice *d, qxl_async_io async); |
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static void qxl_reset_memslots(PCIQXLDevice *d); |
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static void qxl_reset_surfaces(PCIQXLDevice *d); |
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static void qxl_ring_set_dirty(PCIQXLDevice *qxl); |
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void qxl_set_guest_bug(PCIQXLDevice *qxl, const char *msg, ...) |
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{ |
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trace_qxl_set_guest_bug(qxl->id); |
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qxl_send_events(qxl, QXL_INTERRUPT_ERROR); |
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qxl->guest_bug = 1;
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if (qxl->guestdebug) {
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va_list ap; |
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va_start(ap, msg); |
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fprintf(stderr, "qxl-%d: guest bug: ", qxl->id);
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vfprintf(stderr, msg, ap); |
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fprintf(stderr, "\n");
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va_end(ap); |
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} |
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} |
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static void qxl_clear_guest_bug(PCIQXLDevice *qxl) |
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{ |
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qxl->guest_bug = 0;
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} |
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void qxl_spice_update_area(PCIQXLDevice *qxl, uint32_t surface_id,
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struct QXLRect *area, struct QXLRect *dirty_rects, |
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uint32_t num_dirty_rects, |
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uint32_t clear_dirty_region, |
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qxl_async_io async, struct QXLCookie *cookie)
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{ |
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trace_qxl_spice_update_area(qxl->id, surface_id, area->left, area->right, |
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area->top, area->bottom); |
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trace_qxl_spice_update_area_rest(qxl->id, num_dirty_rects, |
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clear_dirty_region); |
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if (async == QXL_SYNC) {
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qxl->ssd.worker->update_area(qxl->ssd.worker, surface_id, area, |
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dirty_rects, num_dirty_rects, clear_dirty_region); |
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} else {
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assert(cookie != NULL);
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spice_qxl_update_area_async(&qxl->ssd.qxl, surface_id, area, |
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clear_dirty_region, (uintptr_t)cookie); |
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} |
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} |
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static void qxl_spice_destroy_surface_wait_complete(PCIQXLDevice *qxl, |
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uint32_t id) |
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{ |
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trace_qxl_spice_destroy_surface_wait_complete(qxl->id, id); |
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qemu_mutex_lock(&qxl->track_lock); |
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qxl->guest_surfaces.cmds[id] = 0;
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qxl->guest_surfaces.count--; |
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qemu_mutex_unlock(&qxl->track_lock); |
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} |
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static void qxl_spice_destroy_surface_wait(PCIQXLDevice *qxl, uint32_t id, |
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qxl_async_io async) |
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{ |
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QXLCookie *cookie; |
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trace_qxl_spice_destroy_surface_wait(qxl->id, id, async); |
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if (async) {
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cookie = qxl_cookie_new(QXL_COOKIE_TYPE_IO, |
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QXL_IO_DESTROY_SURFACE_ASYNC); |
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cookie->u.surface_id = id; |
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spice_qxl_destroy_surface_async(&qxl->ssd.qxl, id, (uintptr_t)cookie); |
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} else {
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qxl->ssd.worker->destroy_surface_wait(qxl->ssd.worker, id); |
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qxl_spice_destroy_surface_wait_complete(qxl, id); |
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} |
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} |
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static void qxl_spice_flush_surfaces_async(PCIQXLDevice *qxl) |
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{ |
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trace_qxl_spice_flush_surfaces_async(qxl->id, qxl->guest_surfaces.count, |
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qxl->num_free_res); |
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spice_qxl_flush_surfaces_async(&qxl->ssd.qxl, |
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(uintptr_t)qxl_cookie_new(QXL_COOKIE_TYPE_IO, |
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QXL_IO_FLUSH_SURFACES_ASYNC)); |
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} |
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void qxl_spice_loadvm_commands(PCIQXLDevice *qxl, struct QXLCommandExt *ext, |
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uint32_t count) |
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{ |
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trace_qxl_spice_loadvm_commands(qxl->id, ext, count); |
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qxl->ssd.worker->loadvm_commands(qxl->ssd.worker, ext, count); |
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} |
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void qxl_spice_oom(PCIQXLDevice *qxl)
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{ |
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trace_qxl_spice_oom(qxl->id); |
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qxl->ssd.worker->oom(qxl->ssd.worker); |
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} |
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void qxl_spice_reset_memslots(PCIQXLDevice *qxl)
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{ |
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trace_qxl_spice_reset_memslots(qxl->id); |
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qxl->ssd.worker->reset_memslots(qxl->ssd.worker); |
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} |
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static void qxl_spice_destroy_surfaces_complete(PCIQXLDevice *qxl) |
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{ |
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trace_qxl_spice_destroy_surfaces_complete(qxl->id); |
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qemu_mutex_lock(&qxl->track_lock); |
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memset(qxl->guest_surfaces.cmds, 0,
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sizeof(qxl->guest_surfaces.cmds) * qxl->ssd.num_surfaces);
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qxl->guest_surfaces.count = 0;
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qemu_mutex_unlock(&qxl->track_lock); |
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} |
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static void qxl_spice_destroy_surfaces(PCIQXLDevice *qxl, qxl_async_io async) |
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{ |
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trace_qxl_spice_destroy_surfaces(qxl->id, async); |
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if (async) {
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spice_qxl_destroy_surfaces_async(&qxl->ssd.qxl, |
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(uintptr_t)qxl_cookie_new(QXL_COOKIE_TYPE_IO, |
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QXL_IO_DESTROY_ALL_SURFACES_ASYNC)); |
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} else {
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qxl->ssd.worker->destroy_surfaces(qxl->ssd.worker); |
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qxl_spice_destroy_surfaces_complete(qxl); |
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} |
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} |
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static void qxl_spice_monitors_config_async(PCIQXLDevice *qxl, int replay) |
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{ |
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trace_qxl_spice_monitors_config(qxl->id); |
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if (replay) {
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/*
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* don't use QXL_COOKIE_TYPE_IO:
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* - we are not running yet (post_load), we will assert
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* in send_events
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* - this is not a guest io, but a reply, so async_io isn't set.
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*/
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spice_qxl_monitors_config_async(&qxl->ssd.qxl, |
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qxl->guest_monitors_config, |
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MEMSLOT_GROUP_GUEST, |
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(uintptr_t)qxl_cookie_new( |
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QXL_COOKIE_TYPE_POST_LOAD_MONITORS_CONFIG, |
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0));
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} else {
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qxl->guest_monitors_config = qxl->ram->monitors_config; |
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spice_qxl_monitors_config_async(&qxl->ssd.qxl, |
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qxl->ram->monitors_config, |
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MEMSLOT_GROUP_GUEST, |
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(uintptr_t)qxl_cookie_new(QXL_COOKIE_TYPE_IO, |
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QXL_IO_MONITORS_CONFIG_ASYNC)); |
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} |
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} |
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void qxl_spice_reset_image_cache(PCIQXLDevice *qxl)
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{ |
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trace_qxl_spice_reset_image_cache(qxl->id); |
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qxl->ssd.worker->reset_image_cache(qxl->ssd.worker); |
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} |
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void qxl_spice_reset_cursor(PCIQXLDevice *qxl)
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{ |
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trace_qxl_spice_reset_cursor(qxl->id); |
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qxl->ssd.worker->reset_cursor(qxl->ssd.worker); |
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qemu_mutex_lock(&qxl->track_lock); |
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qxl->guest_cursor = 0;
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qemu_mutex_unlock(&qxl->track_lock); |
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if (qxl->ssd.cursor) {
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cursor_put(qxl->ssd.cursor); |
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} |
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qxl->ssd.cursor = cursor_builtin_hidden(); |
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} |
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static inline uint32_t msb_mask(uint32_t val) |
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{ |
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uint32_t mask; |
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do {
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mask = ~(val - 1) & val;
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val &= ~mask; |
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} while (mask < val);
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return mask;
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} |
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static ram_addr_t qxl_rom_size(void) |
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{ |
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uint32_t required_rom_size = sizeof(QXLRom) + sizeof(QXLModes) + |
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sizeof(qxl_modes);
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uint32_t rom_size = 8192; /* two pages */ |
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required_rom_size = MAX(required_rom_size, TARGET_PAGE_SIZE); |
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required_rom_size = msb_mask(required_rom_size * 2 - 1); |
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assert(required_rom_size <= rom_size); |
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return rom_size;
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} |
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static void init_qxl_rom(PCIQXLDevice *d) |
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{ |
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QXLRom *rom = memory_region_get_ram_ptr(&d->rom_bar); |
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QXLModes *modes = (QXLModes *)(rom + 1);
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uint32_t ram_header_size; |
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uint32_t surface0_area_size; |
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uint32_t num_pages; |
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uint32_t fb; |
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int i, n;
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memset(rom, 0, d->rom_size);
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rom->magic = cpu_to_le32(QXL_ROM_MAGIC); |
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rom->id = cpu_to_le32(d->id); |
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rom->log_level = cpu_to_le32(d->guestdebug); |
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rom->modes_offset = cpu_to_le32(sizeof(QXLRom));
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rom->slot_gen_bits = MEMSLOT_GENERATION_BITS; |
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rom->slot_id_bits = MEMSLOT_SLOT_BITS; |
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rom->slots_start = 1;
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rom->slots_end = NUM_MEMSLOTS - 1;
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rom->n_surfaces = cpu_to_le32(d->ssd.num_surfaces); |
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for (i = 0, n = 0; i < ARRAY_SIZE(qxl_modes); i++) { |
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fb = qxl_modes[i].y_res * qxl_modes[i].stride; |
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if (fb > d->vgamem_size) {
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continue;
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} |
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modes->modes[n].id = cpu_to_le32(i); |
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modes->modes[n].x_res = cpu_to_le32(qxl_modes[i].x_res); |
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modes->modes[n].y_res = cpu_to_le32(qxl_modes[i].y_res); |
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modes->modes[n].bits = cpu_to_le32(qxl_modes[i].bits); |
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modes->modes[n].stride = cpu_to_le32(qxl_modes[i].stride); |
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modes->modes[n].x_mili = cpu_to_le32(qxl_modes[i].x_mili); |
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modes->modes[n].y_mili = cpu_to_le32(qxl_modes[i].y_mili); |
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modes->modes[n].orientation = cpu_to_le32(qxl_modes[i].orientation); |
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n++; |
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} |
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modes->n_modes = cpu_to_le32(n); |
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|
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ram_header_size = ALIGN(sizeof(QXLRam), 4096); |
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surface0_area_size = ALIGN(d->vgamem_size, 4096);
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num_pages = d->vga.vram_size; |
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num_pages -= ram_header_size; |
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num_pages -= surface0_area_size; |
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num_pages = num_pages / TARGET_PAGE_SIZE; |
361 |
|
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rom->draw_area_offset = cpu_to_le32(0);
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rom->surface0_area_size = cpu_to_le32(surface0_area_size); |
364 |
rom->pages_offset = cpu_to_le32(surface0_area_size); |
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rom->num_pages = cpu_to_le32(num_pages); |
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rom->ram_header_offset = cpu_to_le32(d->vga.vram_size - ram_header_size); |
367 |
|
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d->shadow_rom = *rom; |
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d->rom = rom; |
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d->modes = modes; |
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} |
372 |
|
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static void init_qxl_ram(PCIQXLDevice *d) |
374 |
{ |
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uint8_t *buf; |
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uint64_t *item; |
377 |
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buf = d->vga.vram_ptr; |
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d->ram = (QXLRam *)(buf + le32_to_cpu(d->shadow_rom.ram_header_offset)); |
380 |
d->ram->magic = cpu_to_le32(QXL_RAM_MAGIC); |
381 |
d->ram->int_pending = cpu_to_le32(0);
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d->ram->int_mask = cpu_to_le32(0);
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d->ram->update_surface = 0;
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SPICE_RING_INIT(&d->ram->cmd_ring); |
385 |
SPICE_RING_INIT(&d->ram->cursor_ring); |
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SPICE_RING_INIT(&d->ram->release_ring); |
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SPICE_RING_PROD_ITEM(d, &d->ram->release_ring, item); |
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assert(item); |
389 |
*item = 0;
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qxl_ring_set_dirty(d); |
391 |
} |
392 |
|
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/* can be called from spice server thread context */
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static void qxl_set_dirty(MemoryRegion *mr, ram_addr_t addr, ram_addr_t end) |
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{ |
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memory_region_set_dirty(mr, addr, end - addr); |
397 |
} |
398 |
|
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static void qxl_rom_set_dirty(PCIQXLDevice *qxl) |
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{ |
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qxl_set_dirty(&qxl->rom_bar, 0, qxl->rom_size);
|
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} |
403 |
|
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/* called from spice server thread context only */
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static void qxl_ram_set_dirty(PCIQXLDevice *qxl, void *ptr) |
406 |
{ |
407 |
void *base = qxl->vga.vram_ptr;
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intptr_t offset; |
409 |
|
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offset = ptr - base; |
411 |
offset &= ~(TARGET_PAGE_SIZE-1);
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assert(offset < qxl->vga.vram_size); |
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qxl_set_dirty(&qxl->vga.vram, offset, offset + TARGET_PAGE_SIZE); |
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} |
415 |
|
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/* can be called from spice server thread context */
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static void qxl_ring_set_dirty(PCIQXLDevice *qxl) |
418 |
{ |
419 |
ram_addr_t addr = qxl->shadow_rom.ram_header_offset; |
420 |
ram_addr_t end = qxl->vga.vram_size; |
421 |
qxl_set_dirty(&qxl->vga.vram, addr, end); |
422 |
} |
423 |
|
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/*
|
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* keep track of some command state, for savevm/loadvm.
|
426 |
* called from spice server thread context only
|
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*/
|
428 |
static int qxl_track_command(PCIQXLDevice *qxl, struct QXLCommandExt *ext) |
429 |
{ |
430 |
switch (le32_to_cpu(ext->cmd.type)) {
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431 |
case QXL_CMD_SURFACE:
|
432 |
{ |
433 |
QXLSurfaceCmd *cmd = qxl_phys2virt(qxl, ext->cmd.data, ext->group_id); |
434 |
|
435 |
if (!cmd) {
|
436 |
return 1; |
437 |
} |
438 |
uint32_t id = le32_to_cpu(cmd->surface_id); |
439 |
|
440 |
if (id >= qxl->ssd.num_surfaces) {
|
441 |
qxl_set_guest_bug(qxl, "QXL_CMD_SURFACE id %d >= %d", id,
|
442 |
qxl->ssd.num_surfaces); |
443 |
return 1; |
444 |
} |
445 |
if (cmd->type == QXL_SURFACE_CMD_CREATE &&
|
446 |
(cmd->u.surface_create.stride & 0x03) != 0) { |
447 |
qxl_set_guest_bug(qxl, "QXL_CMD_SURFACE stride = %d %% 4 != 0\n",
|
448 |
cmd->u.surface_create.stride); |
449 |
return 1; |
450 |
} |
451 |
qemu_mutex_lock(&qxl->track_lock); |
452 |
if (cmd->type == QXL_SURFACE_CMD_CREATE) {
|
453 |
qxl->guest_surfaces.cmds[id] = ext->cmd.data; |
454 |
qxl->guest_surfaces.count++; |
455 |
if (qxl->guest_surfaces.max < qxl->guest_surfaces.count)
|
456 |
qxl->guest_surfaces.max = qxl->guest_surfaces.count; |
457 |
} |
458 |
if (cmd->type == QXL_SURFACE_CMD_DESTROY) {
|
459 |
qxl->guest_surfaces.cmds[id] = 0;
|
460 |
qxl->guest_surfaces.count--; |
461 |
} |
462 |
qemu_mutex_unlock(&qxl->track_lock); |
463 |
break;
|
464 |
} |
465 |
case QXL_CMD_CURSOR:
|
466 |
{ |
467 |
QXLCursorCmd *cmd = qxl_phys2virt(qxl, ext->cmd.data, ext->group_id); |
468 |
|
469 |
if (!cmd) {
|
470 |
return 1; |
471 |
} |
472 |
if (cmd->type == QXL_CURSOR_SET) {
|
473 |
qemu_mutex_lock(&qxl->track_lock); |
474 |
qxl->guest_cursor = ext->cmd.data; |
475 |
qemu_mutex_unlock(&qxl->track_lock); |
476 |
} |
477 |
break;
|
478 |
} |
479 |
} |
480 |
return 0; |
481 |
} |
482 |
|
483 |
/* spice display interface callbacks */
|
484 |
|
485 |
static void interface_attach_worker(QXLInstance *sin, QXLWorker *qxl_worker) |
486 |
{ |
487 |
PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl); |
488 |
|
489 |
trace_qxl_interface_attach_worker(qxl->id); |
490 |
qxl->ssd.worker = qxl_worker; |
491 |
} |
492 |
|
493 |
static void interface_set_compression_level(QXLInstance *sin, int level) |
494 |
{ |
495 |
PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl); |
496 |
|
497 |
trace_qxl_interface_set_compression_level(qxl->id, level); |
498 |
qxl->shadow_rom.compression_level = cpu_to_le32(level); |
499 |
qxl->rom->compression_level = cpu_to_le32(level); |
500 |
qxl_rom_set_dirty(qxl); |
501 |
} |
502 |
|
503 |
static void interface_set_mm_time(QXLInstance *sin, uint32_t mm_time) |
504 |
{ |
505 |
PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl); |
506 |
|
507 |
trace_qxl_interface_set_mm_time(qxl->id, mm_time); |
508 |
qxl->shadow_rom.mm_clock = cpu_to_le32(mm_time); |
509 |
qxl->rom->mm_clock = cpu_to_le32(mm_time); |
510 |
qxl_rom_set_dirty(qxl); |
511 |
} |
512 |
|
513 |
static void interface_get_init_info(QXLInstance *sin, QXLDevInitInfo *info) |
514 |
{ |
515 |
PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl); |
516 |
|
517 |
trace_qxl_interface_get_init_info(qxl->id); |
518 |
info->memslot_gen_bits = MEMSLOT_GENERATION_BITS; |
519 |
info->memslot_id_bits = MEMSLOT_SLOT_BITS; |
520 |
info->num_memslots = NUM_MEMSLOTS; |
521 |
info->num_memslots_groups = NUM_MEMSLOTS_GROUPS; |
522 |
info->internal_groupslot_id = 0;
|
523 |
info->qxl_ram_size = le32_to_cpu(qxl->shadow_rom.num_pages) << TARGET_PAGE_BITS; |
524 |
info->n_surfaces = qxl->ssd.num_surfaces; |
525 |
} |
526 |
|
527 |
static const char *qxl_mode_to_string(int mode) |
528 |
{ |
529 |
switch (mode) {
|
530 |
case QXL_MODE_COMPAT:
|
531 |
return "compat"; |
532 |
case QXL_MODE_NATIVE:
|
533 |
return "native"; |
534 |
case QXL_MODE_UNDEFINED:
|
535 |
return "undefined"; |
536 |
case QXL_MODE_VGA:
|
537 |
return "vga"; |
538 |
} |
539 |
return "INVALID"; |
540 |
} |
541 |
|
542 |
static const char *io_port_to_string(uint32_t io_port) |
543 |
{ |
544 |
if (io_port >= QXL_IO_RANGE_SIZE) {
|
545 |
return "out of range"; |
546 |
} |
547 |
static const char *io_port_to_string[QXL_IO_RANGE_SIZE + 1] = { |
548 |
[QXL_IO_NOTIFY_CMD] = "QXL_IO_NOTIFY_CMD",
|
549 |
[QXL_IO_NOTIFY_CURSOR] = "QXL_IO_NOTIFY_CURSOR",
|
550 |
[QXL_IO_UPDATE_AREA] = "QXL_IO_UPDATE_AREA",
|
551 |
[QXL_IO_UPDATE_IRQ] = "QXL_IO_UPDATE_IRQ",
|
552 |
[QXL_IO_NOTIFY_OOM] = "QXL_IO_NOTIFY_OOM",
|
553 |
[QXL_IO_RESET] = "QXL_IO_RESET",
|
554 |
[QXL_IO_SET_MODE] = "QXL_IO_SET_MODE",
|
555 |
[QXL_IO_LOG] = "QXL_IO_LOG",
|
556 |
[QXL_IO_MEMSLOT_ADD] = "QXL_IO_MEMSLOT_ADD",
|
557 |
[QXL_IO_MEMSLOT_DEL] = "QXL_IO_MEMSLOT_DEL",
|
558 |
[QXL_IO_DETACH_PRIMARY] = "QXL_IO_DETACH_PRIMARY",
|
559 |
[QXL_IO_ATTACH_PRIMARY] = "QXL_IO_ATTACH_PRIMARY",
|
560 |
[QXL_IO_CREATE_PRIMARY] = "QXL_IO_CREATE_PRIMARY",
|
561 |
[QXL_IO_DESTROY_PRIMARY] = "QXL_IO_DESTROY_PRIMARY",
|
562 |
[QXL_IO_DESTROY_SURFACE_WAIT] = "QXL_IO_DESTROY_SURFACE_WAIT",
|
563 |
[QXL_IO_DESTROY_ALL_SURFACES] = "QXL_IO_DESTROY_ALL_SURFACES",
|
564 |
[QXL_IO_UPDATE_AREA_ASYNC] = "QXL_IO_UPDATE_AREA_ASYNC",
|
565 |
[QXL_IO_MEMSLOT_ADD_ASYNC] = "QXL_IO_MEMSLOT_ADD_ASYNC",
|
566 |
[QXL_IO_CREATE_PRIMARY_ASYNC] = "QXL_IO_CREATE_PRIMARY_ASYNC",
|
567 |
[QXL_IO_DESTROY_PRIMARY_ASYNC] = "QXL_IO_DESTROY_PRIMARY_ASYNC",
|
568 |
[QXL_IO_DESTROY_SURFACE_ASYNC] = "QXL_IO_DESTROY_SURFACE_ASYNC",
|
569 |
[QXL_IO_DESTROY_ALL_SURFACES_ASYNC] |
570 |
= "QXL_IO_DESTROY_ALL_SURFACES_ASYNC",
|
571 |
[QXL_IO_FLUSH_SURFACES_ASYNC] = "QXL_IO_FLUSH_SURFACES_ASYNC",
|
572 |
[QXL_IO_FLUSH_RELEASE] = "QXL_IO_FLUSH_RELEASE",
|
573 |
[QXL_IO_MONITORS_CONFIG_ASYNC] = "QXL_IO_MONITORS_CONFIG_ASYNC",
|
574 |
}; |
575 |
return io_port_to_string[io_port];
|
576 |
} |
577 |
|
578 |
/* called from spice server thread context only */
|
579 |
static int interface_get_command(QXLInstance *sin, struct QXLCommandExt *ext) |
580 |
{ |
581 |
PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl); |
582 |
SimpleSpiceUpdate *update; |
583 |
QXLCommandRing *ring; |
584 |
QXLCommand *cmd; |
585 |
int notify, ret;
|
586 |
|
587 |
trace_qxl_ring_command_check(qxl->id, qxl_mode_to_string(qxl->mode)); |
588 |
|
589 |
switch (qxl->mode) {
|
590 |
case QXL_MODE_VGA:
|
591 |
ret = false;
|
592 |
qemu_mutex_lock(&qxl->ssd.lock); |
593 |
update = QTAILQ_FIRST(&qxl->ssd.updates); |
594 |
if (update != NULL) { |
595 |
QTAILQ_REMOVE(&qxl->ssd.updates, update, next); |
596 |
*ext = update->ext; |
597 |
ret = true;
|
598 |
} |
599 |
qemu_mutex_unlock(&qxl->ssd.lock); |
600 |
if (ret) {
|
601 |
trace_qxl_ring_command_get(qxl->id, qxl_mode_to_string(qxl->mode)); |
602 |
qxl_log_command(qxl, "vga", ext);
|
603 |
} |
604 |
return ret;
|
605 |
case QXL_MODE_COMPAT:
|
606 |
case QXL_MODE_NATIVE:
|
607 |
case QXL_MODE_UNDEFINED:
|
608 |
ring = &qxl->ram->cmd_ring; |
609 |
if (qxl->guest_bug || SPICE_RING_IS_EMPTY(ring)) {
|
610 |
return false; |
611 |
} |
612 |
SPICE_RING_CONS_ITEM(qxl, ring, cmd); |
613 |
if (!cmd) {
|
614 |
return false; |
615 |
} |
616 |
ext->cmd = *cmd; |
617 |
ext->group_id = MEMSLOT_GROUP_GUEST; |
618 |
ext->flags = qxl->cmdflags; |
619 |
SPICE_RING_POP(ring, notify); |
620 |
qxl_ring_set_dirty(qxl); |
621 |
if (notify) {
|
622 |
qxl_send_events(qxl, QXL_INTERRUPT_DISPLAY); |
623 |
} |
624 |
qxl->guest_primary.commands++; |
625 |
qxl_track_command(qxl, ext); |
626 |
qxl_log_command(qxl, "cmd", ext);
|
627 |
trace_qxl_ring_command_get(qxl->id, qxl_mode_to_string(qxl->mode)); |
628 |
return true; |
629 |
default:
|
630 |
return false; |
631 |
} |
632 |
} |
633 |
|
634 |
/* called from spice server thread context only */
|
635 |
static int interface_req_cmd_notification(QXLInstance *sin) |
636 |
{ |
637 |
PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl); |
638 |
int wait = 1; |
639 |
|
640 |
trace_qxl_ring_command_req_notification(qxl->id); |
641 |
switch (qxl->mode) {
|
642 |
case QXL_MODE_COMPAT:
|
643 |
case QXL_MODE_NATIVE:
|
644 |
case QXL_MODE_UNDEFINED:
|
645 |
SPICE_RING_CONS_WAIT(&qxl->ram->cmd_ring, wait); |
646 |
qxl_ring_set_dirty(qxl); |
647 |
break;
|
648 |
default:
|
649 |
/* nothing */
|
650 |
break;
|
651 |
} |
652 |
return wait;
|
653 |
} |
654 |
|
655 |
/* called from spice server thread context only */
|
656 |
static inline void qxl_push_free_res(PCIQXLDevice *d, int flush) |
657 |
{ |
658 |
QXLReleaseRing *ring = &d->ram->release_ring; |
659 |
uint64_t *item; |
660 |
int notify;
|
661 |
|
662 |
#define QXL_FREE_BUNCH_SIZE 32 |
663 |
|
664 |
if (ring->prod - ring->cons + 1 == ring->num_items) { |
665 |
/* ring full -- can't push */
|
666 |
return;
|
667 |
} |
668 |
if (!flush && d->oom_running) {
|
669 |
/* collect everything from oom handler before pushing */
|
670 |
return;
|
671 |
} |
672 |
if (!flush && d->num_free_res < QXL_FREE_BUNCH_SIZE) {
|
673 |
/* collect a bit more before pushing */
|
674 |
return;
|
675 |
} |
676 |
|
677 |
SPICE_RING_PUSH(ring, notify); |
678 |
trace_qxl_ring_res_push(d->id, qxl_mode_to_string(d->mode), |
679 |
d->guest_surfaces.count, d->num_free_res, |
680 |
d->last_release, notify ? "yes" : "no"); |
681 |
trace_qxl_ring_res_push_rest(d->id, ring->prod - ring->cons, |
682 |
ring->num_items, ring->prod, ring->cons); |
683 |
if (notify) {
|
684 |
qxl_send_events(d, QXL_INTERRUPT_DISPLAY); |
685 |
} |
686 |
SPICE_RING_PROD_ITEM(d, ring, item); |
687 |
if (!item) {
|
688 |
return;
|
689 |
} |
690 |
*item = 0;
|
691 |
d->num_free_res = 0;
|
692 |
d->last_release = NULL;
|
693 |
qxl_ring_set_dirty(d); |
694 |
} |
695 |
|
696 |
/* called from spice server thread context only */
|
697 |
static void interface_release_resource(QXLInstance *sin, |
698 |
struct QXLReleaseInfoExt ext)
|
699 |
{ |
700 |
PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl); |
701 |
QXLReleaseRing *ring; |
702 |
uint64_t *item, id; |
703 |
|
704 |
if (ext.group_id == MEMSLOT_GROUP_HOST) {
|
705 |
/* host group -> vga mode update request */
|
706 |
qemu_spice_destroy_update(&qxl->ssd, (void *)(intptr_t)ext.info->id);
|
707 |
return;
|
708 |
} |
709 |
|
710 |
/*
|
711 |
* ext->info points into guest-visible memory
|
712 |
* pci bar 0, $command.release_info
|
713 |
*/
|
714 |
ring = &qxl->ram->release_ring; |
715 |
SPICE_RING_PROD_ITEM(qxl, ring, item); |
716 |
if (!item) {
|
717 |
return;
|
718 |
} |
719 |
if (*item == 0) { |
720 |
/* stick head into the ring */
|
721 |
id = ext.info->id; |
722 |
ext.info->next = 0;
|
723 |
qxl_ram_set_dirty(qxl, &ext.info->next); |
724 |
*item = id; |
725 |
qxl_ring_set_dirty(qxl); |
726 |
} else {
|
727 |
/* append item to the list */
|
728 |
qxl->last_release->next = ext.info->id; |
729 |
qxl_ram_set_dirty(qxl, &qxl->last_release->next); |
730 |
ext.info->next = 0;
|
731 |
qxl_ram_set_dirty(qxl, &ext.info->next); |
732 |
} |
733 |
qxl->last_release = ext.info; |
734 |
qxl->num_free_res++; |
735 |
trace_qxl_ring_res_put(qxl->id, qxl->num_free_res); |
736 |
qxl_push_free_res(qxl, 0);
|
737 |
} |
738 |
|
739 |
/* called from spice server thread context only */
|
740 |
static int interface_get_cursor_command(QXLInstance *sin, struct QXLCommandExt *ext) |
741 |
{ |
742 |
PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl); |
743 |
QXLCursorRing *ring; |
744 |
QXLCommand *cmd; |
745 |
int notify;
|
746 |
|
747 |
trace_qxl_ring_cursor_check(qxl->id, qxl_mode_to_string(qxl->mode)); |
748 |
|
749 |
switch (qxl->mode) {
|
750 |
case QXL_MODE_COMPAT:
|
751 |
case QXL_MODE_NATIVE:
|
752 |
case QXL_MODE_UNDEFINED:
|
753 |
ring = &qxl->ram->cursor_ring; |
754 |
if (SPICE_RING_IS_EMPTY(ring)) {
|
755 |
return false; |
756 |
} |
757 |
SPICE_RING_CONS_ITEM(qxl, ring, cmd); |
758 |
if (!cmd) {
|
759 |
return false; |
760 |
} |
761 |
ext->cmd = *cmd; |
762 |
ext->group_id = MEMSLOT_GROUP_GUEST; |
763 |
ext->flags = qxl->cmdflags; |
764 |
SPICE_RING_POP(ring, notify); |
765 |
qxl_ring_set_dirty(qxl); |
766 |
if (notify) {
|
767 |
qxl_send_events(qxl, QXL_INTERRUPT_CURSOR); |
768 |
} |
769 |
qxl->guest_primary.commands++; |
770 |
qxl_track_command(qxl, ext); |
771 |
qxl_log_command(qxl, "csr", ext);
|
772 |
if (qxl->id == 0) { |
773 |
qxl_render_cursor(qxl, ext); |
774 |
} |
775 |
trace_qxl_ring_cursor_get(qxl->id, qxl_mode_to_string(qxl->mode)); |
776 |
return true; |
777 |
default:
|
778 |
return false; |
779 |
} |
780 |
} |
781 |
|
782 |
/* called from spice server thread context only */
|
783 |
static int interface_req_cursor_notification(QXLInstance *sin) |
784 |
{ |
785 |
PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl); |
786 |
int wait = 1; |
787 |
|
788 |
trace_qxl_ring_cursor_req_notification(qxl->id); |
789 |
switch (qxl->mode) {
|
790 |
case QXL_MODE_COMPAT:
|
791 |
case QXL_MODE_NATIVE:
|
792 |
case QXL_MODE_UNDEFINED:
|
793 |
SPICE_RING_CONS_WAIT(&qxl->ram->cursor_ring, wait); |
794 |
qxl_ring_set_dirty(qxl); |
795 |
break;
|
796 |
default:
|
797 |
/* nothing */
|
798 |
break;
|
799 |
} |
800 |
return wait;
|
801 |
} |
802 |
|
803 |
/* called from spice server thread context */
|
804 |
static void interface_notify_update(QXLInstance *sin, uint32_t update_id) |
805 |
{ |
806 |
/*
|
807 |
* Called by spice-server as a result of a QXL_CMD_UPDATE which is not in
|
808 |
* use by xf86-video-qxl and is defined out in the qxl windows driver.
|
809 |
* Probably was at some earlier version that is prior to git start (2009),
|
810 |
* and is still guest trigerrable.
|
811 |
*/
|
812 |
fprintf(stderr, "%s: deprecated\n", __func__);
|
813 |
} |
814 |
|
815 |
/* called from spice server thread context only */
|
816 |
static int interface_flush_resources(QXLInstance *sin) |
817 |
{ |
818 |
PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl); |
819 |
int ret;
|
820 |
|
821 |
ret = qxl->num_free_res; |
822 |
if (ret) {
|
823 |
qxl_push_free_res(qxl, 1);
|
824 |
} |
825 |
return ret;
|
826 |
} |
827 |
|
828 |
static void qxl_create_guest_primary_complete(PCIQXLDevice *d); |
829 |
|
830 |
/* called from spice server thread context only */
|
831 |
static void interface_async_complete_io(PCIQXLDevice *qxl, QXLCookie *cookie) |
832 |
{ |
833 |
uint32_t current_async; |
834 |
|
835 |
qemu_mutex_lock(&qxl->async_lock); |
836 |
current_async = qxl->current_async; |
837 |
qxl->current_async = QXL_UNDEFINED_IO; |
838 |
qemu_mutex_unlock(&qxl->async_lock); |
839 |
|
840 |
trace_qxl_interface_async_complete_io(qxl->id, current_async, cookie); |
841 |
if (!cookie) {
|
842 |
fprintf(stderr, "qxl: %s: error, cookie is NULL\n", __func__);
|
843 |
return;
|
844 |
} |
845 |
if (cookie && current_async != cookie->io) {
|
846 |
fprintf(stderr, |
847 |
"qxl: %s: error: current_async = %d != %"
|
848 |
PRId64 " = cookie->io\n", __func__, current_async, cookie->io);
|
849 |
} |
850 |
switch (current_async) {
|
851 |
case QXL_IO_MEMSLOT_ADD_ASYNC:
|
852 |
case QXL_IO_DESTROY_PRIMARY_ASYNC:
|
853 |
case QXL_IO_UPDATE_AREA_ASYNC:
|
854 |
case QXL_IO_FLUSH_SURFACES_ASYNC:
|
855 |
case QXL_IO_MONITORS_CONFIG_ASYNC:
|
856 |
break;
|
857 |
case QXL_IO_CREATE_PRIMARY_ASYNC:
|
858 |
qxl_create_guest_primary_complete(qxl); |
859 |
break;
|
860 |
case QXL_IO_DESTROY_ALL_SURFACES_ASYNC:
|
861 |
qxl_spice_destroy_surfaces_complete(qxl); |
862 |
break;
|
863 |
case QXL_IO_DESTROY_SURFACE_ASYNC:
|
864 |
qxl_spice_destroy_surface_wait_complete(qxl, cookie->u.surface_id); |
865 |
break;
|
866 |
default:
|
867 |
fprintf(stderr, "qxl: %s: unexpected current_async %d\n", __func__,
|
868 |
current_async); |
869 |
} |
870 |
qxl_send_events(qxl, QXL_INTERRUPT_IO_CMD); |
871 |
} |
872 |
|
873 |
/* called from spice server thread context only */
|
874 |
static void interface_update_area_complete(QXLInstance *sin, |
875 |
uint32_t surface_id, |
876 |
QXLRect *dirty, uint32_t num_updated_rects) |
877 |
{ |
878 |
PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl); |
879 |
int i;
|
880 |
int qxl_i;
|
881 |
|
882 |
qemu_mutex_lock(&qxl->ssd.lock); |
883 |
if (surface_id != 0 || !qxl->render_update_cookie_num) { |
884 |
qemu_mutex_unlock(&qxl->ssd.lock); |
885 |
return;
|
886 |
} |
887 |
trace_qxl_interface_update_area_complete(qxl->id, surface_id, dirty->left, |
888 |
dirty->right, dirty->top, dirty->bottom); |
889 |
trace_qxl_interface_update_area_complete_rest(qxl->id, num_updated_rects); |
890 |
if (qxl->num_dirty_rects + num_updated_rects > QXL_NUM_DIRTY_RECTS) {
|
891 |
/*
|
892 |
* overflow - treat this as a full update. Not expected to be common.
|
893 |
*/
|
894 |
trace_qxl_interface_update_area_complete_overflow(qxl->id, |
895 |
QXL_NUM_DIRTY_RECTS); |
896 |
qxl->guest_primary.resized = 1;
|
897 |
} |
898 |
if (qxl->guest_primary.resized) {
|
899 |
/*
|
900 |
* Don't bother copying or scheduling the bh since we will flip
|
901 |
* the whole area anyway on completion of the update_area async call
|
902 |
*/
|
903 |
qemu_mutex_unlock(&qxl->ssd.lock); |
904 |
return;
|
905 |
} |
906 |
qxl_i = qxl->num_dirty_rects; |
907 |
for (i = 0; i < num_updated_rects; i++) { |
908 |
qxl->dirty[qxl_i++] = dirty[i]; |
909 |
} |
910 |
qxl->num_dirty_rects += num_updated_rects; |
911 |
trace_qxl_interface_update_area_complete_schedule_bh(qxl->id, |
912 |
qxl->num_dirty_rects); |
913 |
qemu_bh_schedule(qxl->update_area_bh); |
914 |
qemu_mutex_unlock(&qxl->ssd.lock); |
915 |
} |
916 |
|
917 |
/* called from spice server thread context only */
|
918 |
static void interface_async_complete(QXLInstance *sin, uint64_t cookie_token) |
919 |
{ |
920 |
PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl); |
921 |
QXLCookie *cookie = (QXLCookie *)(uintptr_t)cookie_token; |
922 |
|
923 |
switch (cookie->type) {
|
924 |
case QXL_COOKIE_TYPE_IO:
|
925 |
interface_async_complete_io(qxl, cookie); |
926 |
g_free(cookie); |
927 |
break;
|
928 |
case QXL_COOKIE_TYPE_RENDER_UPDATE_AREA:
|
929 |
qxl_render_update_area_done(qxl, cookie); |
930 |
break;
|
931 |
case QXL_COOKIE_TYPE_POST_LOAD_MONITORS_CONFIG:
|
932 |
break;
|
933 |
default:
|
934 |
fprintf(stderr, "qxl: %s: unexpected cookie type %d\n",
|
935 |
__func__, cookie->type); |
936 |
g_free(cookie); |
937 |
} |
938 |
} |
939 |
|
940 |
/* called from spice server thread context only */
|
941 |
static void interface_set_client_capabilities(QXLInstance *sin, |
942 |
uint8_t client_present, |
943 |
uint8_t caps[58])
|
944 |
{ |
945 |
PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl); |
946 |
|
947 |
if (qxl->revision < 4) { |
948 |
trace_qxl_set_client_capabilities_unsupported_by_revision(qxl->id, |
949 |
qxl->revision); |
950 |
return;
|
951 |
} |
952 |
|
953 |
if (runstate_check(RUN_STATE_INMIGRATE) ||
|
954 |
runstate_check(RUN_STATE_POSTMIGRATE)) { |
955 |
return;
|
956 |
} |
957 |
|
958 |
qxl->shadow_rom.client_present = client_present; |
959 |
memcpy(qxl->shadow_rom.client_capabilities, caps, |
960 |
sizeof(qxl->shadow_rom.client_capabilities));
|
961 |
qxl->rom->client_present = client_present; |
962 |
memcpy(qxl->rom->client_capabilities, caps, |
963 |
sizeof(qxl->rom->client_capabilities));
|
964 |
qxl_rom_set_dirty(qxl); |
965 |
|
966 |
qxl_send_events(qxl, QXL_INTERRUPT_CLIENT); |
967 |
} |
968 |
|
969 |
static uint32_t qxl_crc32(const uint8_t *p, unsigned len) |
970 |
{ |
971 |
/*
|
972 |
* zlib xors the seed with 0xffffffff, and xors the result
|
973 |
* again with 0xffffffff; Both are not done with linux's crc32,
|
974 |
* which we want to be compatible with, so undo that.
|
975 |
*/
|
976 |
return crc32(0xffffffff, p, len) ^ 0xffffffff; |
977 |
} |
978 |
|
979 |
/* called from main context only */
|
980 |
static int interface_client_monitors_config(QXLInstance *sin, |
981 |
VDAgentMonitorsConfig *monitors_config) |
982 |
{ |
983 |
PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl); |
984 |
QXLRom *rom = memory_region_get_ram_ptr(&qxl->rom_bar); |
985 |
int i;
|
986 |
|
987 |
if (qxl->revision < 4) { |
988 |
trace_qxl_client_monitors_config_unsupported_by_device(qxl->id, |
989 |
qxl->revision); |
990 |
return 0; |
991 |
} |
992 |
/*
|
993 |
* Older windows drivers set int_mask to 0 when their ISR is called,
|
994 |
* then later set it to ~0. So it doesn't relate to the actual interrupts
|
995 |
* handled. However, they are old, so clearly they don't support this
|
996 |
* interrupt
|
997 |
*/
|
998 |
if (qxl->ram->int_mask == 0 || qxl->ram->int_mask == ~0 || |
999 |
!(qxl->ram->int_mask & QXL_INTERRUPT_CLIENT_MONITORS_CONFIG)) { |
1000 |
trace_qxl_client_monitors_config_unsupported_by_guest(qxl->id, |
1001 |
qxl->ram->int_mask, |
1002 |
monitors_config); |
1003 |
return 0; |
1004 |
} |
1005 |
if (!monitors_config) {
|
1006 |
return 1; |
1007 |
} |
1008 |
memset(&rom->client_monitors_config, 0,
|
1009 |
sizeof(rom->client_monitors_config));
|
1010 |
rom->client_monitors_config.count = monitors_config->num_of_monitors; |
1011 |
/* monitors_config->flags ignored */
|
1012 |
if (rom->client_monitors_config.count >=
|
1013 |
ARRAY_SIZE(rom->client_monitors_config.heads)) { |
1014 |
trace_qxl_client_monitors_config_capped(qxl->id, |
1015 |
monitors_config->num_of_monitors, |
1016 |
ARRAY_SIZE(rom->client_monitors_config.heads)); |
1017 |
rom->client_monitors_config.count = |
1018 |
ARRAY_SIZE(rom->client_monitors_config.heads); |
1019 |
} |
1020 |
for (i = 0 ; i < rom->client_monitors_config.count ; ++i) { |
1021 |
VDAgentMonConfig *monitor = &monitors_config->monitors[i]; |
1022 |
QXLURect *rect = &rom->client_monitors_config.heads[i]; |
1023 |
/* monitor->depth ignored */
|
1024 |
rect->left = monitor->x; |
1025 |
rect->top = monitor->y; |
1026 |
rect->right = monitor->x + monitor->width; |
1027 |
rect->bottom = monitor->y + monitor->height; |
1028 |
} |
1029 |
rom->client_monitors_config_crc = qxl_crc32( |
1030 |
(const uint8_t *)&rom->client_monitors_config,
|
1031 |
sizeof(rom->client_monitors_config));
|
1032 |
trace_qxl_client_monitors_config_crc(qxl->id, |
1033 |
sizeof(rom->client_monitors_config),
|
1034 |
rom->client_monitors_config_crc); |
1035 |
|
1036 |
trace_qxl_interrupt_client_monitors_config(qxl->id, |
1037 |
rom->client_monitors_config.count, |
1038 |
rom->client_monitors_config.heads); |
1039 |
qxl_send_events(qxl, QXL_INTERRUPT_CLIENT_MONITORS_CONFIG); |
1040 |
return 1; |
1041 |
} |
1042 |
|
1043 |
static const QXLInterface qxl_interface = { |
1044 |
.base.type = SPICE_INTERFACE_QXL, |
1045 |
.base.description = "qxl gpu",
|
1046 |
.base.major_version = SPICE_INTERFACE_QXL_MAJOR, |
1047 |
.base.minor_version = SPICE_INTERFACE_QXL_MINOR, |
1048 |
|
1049 |
.attache_worker = interface_attach_worker, |
1050 |
.set_compression_level = interface_set_compression_level, |
1051 |
.set_mm_time = interface_set_mm_time, |
1052 |
.get_init_info = interface_get_init_info, |
1053 |
|
1054 |
/* the callbacks below are called from spice server thread context */
|
1055 |
.get_command = interface_get_command, |
1056 |
.req_cmd_notification = interface_req_cmd_notification, |
1057 |
.release_resource = interface_release_resource, |
1058 |
.get_cursor_command = interface_get_cursor_command, |
1059 |
.req_cursor_notification = interface_req_cursor_notification, |
1060 |
.notify_update = interface_notify_update, |
1061 |
.flush_resources = interface_flush_resources, |
1062 |
.async_complete = interface_async_complete, |
1063 |
.update_area_complete = interface_update_area_complete, |
1064 |
.set_client_capabilities = interface_set_client_capabilities, |
1065 |
.client_monitors_config = interface_client_monitors_config, |
1066 |
}; |
1067 |
|
1068 |
static void qxl_enter_vga_mode(PCIQXLDevice *d) |
1069 |
{ |
1070 |
if (d->mode == QXL_MODE_VGA) {
|
1071 |
return;
|
1072 |
} |
1073 |
trace_qxl_enter_vga_mode(d->id); |
1074 |
qemu_spice_create_host_primary(&d->ssd); |
1075 |
d->mode = QXL_MODE_VGA; |
1076 |
vga_dirty_log_start(&d->vga); |
1077 |
vga_hw_update(); |
1078 |
} |
1079 |
|
1080 |
static void qxl_exit_vga_mode(PCIQXLDevice *d) |
1081 |
{ |
1082 |
if (d->mode != QXL_MODE_VGA) {
|
1083 |
return;
|
1084 |
} |
1085 |
trace_qxl_exit_vga_mode(d->id); |
1086 |
vga_dirty_log_stop(&d->vga); |
1087 |
qxl_destroy_primary(d, QXL_SYNC); |
1088 |
} |
1089 |
|
1090 |
static void qxl_update_irq(PCIQXLDevice *d) |
1091 |
{ |
1092 |
uint32_t pending = le32_to_cpu(d->ram->int_pending); |
1093 |
uint32_t mask = le32_to_cpu(d->ram->int_mask); |
1094 |
int level = !!(pending & mask);
|
1095 |
qemu_set_irq(d->pci.irq[0], level);
|
1096 |
qxl_ring_set_dirty(d); |
1097 |
} |
1098 |
|
1099 |
static void qxl_check_state(PCIQXLDevice *d) |
1100 |
{ |
1101 |
QXLRam *ram = d->ram; |
1102 |
int spice_display_running = qemu_spice_display_is_running(&d->ssd);
|
1103 |
|
1104 |
assert(!spice_display_running || SPICE_RING_IS_EMPTY(&ram->cmd_ring)); |
1105 |
assert(!spice_display_running || SPICE_RING_IS_EMPTY(&ram->cursor_ring)); |
1106 |
} |
1107 |
|
1108 |
static void qxl_reset_state(PCIQXLDevice *d) |
1109 |
{ |
1110 |
QXLRom *rom = d->rom; |
1111 |
|
1112 |
qxl_check_state(d); |
1113 |
d->shadow_rom.update_id = cpu_to_le32(0);
|
1114 |
*rom = d->shadow_rom; |
1115 |
qxl_rom_set_dirty(d); |
1116 |
init_qxl_ram(d); |
1117 |
d->num_free_res = 0;
|
1118 |
d->last_release = NULL;
|
1119 |
memset(&d->ssd.dirty, 0, sizeof(d->ssd.dirty)); |
1120 |
} |
1121 |
|
1122 |
static void qxl_soft_reset(PCIQXLDevice *d) |
1123 |
{ |
1124 |
trace_qxl_soft_reset(d->id); |
1125 |
qxl_check_state(d); |
1126 |
qxl_clear_guest_bug(d); |
1127 |
d->current_async = QXL_UNDEFINED_IO; |
1128 |
|
1129 |
if (d->id == 0) { |
1130 |
qxl_enter_vga_mode(d); |
1131 |
} else {
|
1132 |
d->mode = QXL_MODE_UNDEFINED; |
1133 |
} |
1134 |
} |
1135 |
|
1136 |
static void qxl_hard_reset(PCIQXLDevice *d, int loadvm) |
1137 |
{ |
1138 |
trace_qxl_hard_reset(d->id, loadvm); |
1139 |
|
1140 |
qxl_spice_reset_cursor(d); |
1141 |
qxl_spice_reset_image_cache(d); |
1142 |
qxl_reset_surfaces(d); |
1143 |
qxl_reset_memslots(d); |
1144 |
|
1145 |
/* pre loadvm reset must not touch QXLRam. This lives in
|
1146 |
* device memory, is migrated together with RAM and thus
|
1147 |
* already loaded at this point */
|
1148 |
if (!loadvm) {
|
1149 |
qxl_reset_state(d); |
1150 |
} |
1151 |
qemu_spice_create_host_memslot(&d->ssd); |
1152 |
qxl_soft_reset(d); |
1153 |
} |
1154 |
|
1155 |
static void qxl_reset_handler(DeviceState *dev) |
1156 |
{ |
1157 |
PCIQXLDevice *d = DO_UPCAST(PCIQXLDevice, pci.qdev, dev); |
1158 |
|
1159 |
qxl_hard_reset(d, 0);
|
1160 |
} |
1161 |
|
1162 |
static void qxl_vga_ioport_write(void *opaque, uint32_t addr, uint32_t val) |
1163 |
{ |
1164 |
VGACommonState *vga = opaque; |
1165 |
PCIQXLDevice *qxl = container_of(vga, PCIQXLDevice, vga); |
1166 |
|
1167 |
trace_qxl_io_write_vga(qxl->id, qxl_mode_to_string(qxl->mode), addr, val); |
1168 |
if (qxl->mode != QXL_MODE_VGA) {
|
1169 |
qxl_destroy_primary(qxl, QXL_SYNC); |
1170 |
qxl_soft_reset(qxl); |
1171 |
} |
1172 |
vga_ioport_write(opaque, addr, val); |
1173 |
} |
1174 |
|
1175 |
static const MemoryRegionPortio qxl_vga_portio_list[] = { |
1176 |
{ 0x04, 2, 1, .read = vga_ioport_read, |
1177 |
.write = qxl_vga_ioport_write }, /* 3b4 */
|
1178 |
{ 0x0a, 1, 1, .read = vga_ioport_read, |
1179 |
.write = qxl_vga_ioport_write }, /* 3ba */
|
1180 |
{ 0x10, 16, 1, .read = vga_ioport_read, |
1181 |
.write = qxl_vga_ioport_write }, /* 3c0 */
|
1182 |
{ 0x24, 2, 1, .read = vga_ioport_read, |
1183 |
.write = qxl_vga_ioport_write }, /* 3d4 */
|
1184 |
{ 0x2a, 1, 1, .read = vga_ioport_read, |
1185 |
.write = qxl_vga_ioport_write }, /* 3da */
|
1186 |
PORTIO_END_OF_LIST(), |
1187 |
}; |
1188 |
|
1189 |
static int qxl_add_memslot(PCIQXLDevice *d, uint32_t slot_id, uint64_t delta, |
1190 |
qxl_async_io async) |
1191 |
{ |
1192 |
static const int regions[] = { |
1193 |
QXL_RAM_RANGE_INDEX, |
1194 |
QXL_VRAM_RANGE_INDEX, |
1195 |
QXL_VRAM64_RANGE_INDEX, |
1196 |
}; |
1197 |
uint64_t guest_start; |
1198 |
uint64_t guest_end; |
1199 |
int pci_region;
|
1200 |
pcibus_t pci_start; |
1201 |
pcibus_t pci_end; |
1202 |
intptr_t virt_start; |
1203 |
QXLDevMemSlot memslot; |
1204 |
int i;
|
1205 |
|
1206 |
guest_start = le64_to_cpu(d->guest_slots[slot_id].slot.mem_start); |
1207 |
guest_end = le64_to_cpu(d->guest_slots[slot_id].slot.mem_end); |
1208 |
|
1209 |
trace_qxl_memslot_add_guest(d->id, slot_id, guest_start, guest_end); |
1210 |
|
1211 |
if (slot_id >= NUM_MEMSLOTS) {
|
1212 |
qxl_set_guest_bug(d, "%s: slot_id >= NUM_MEMSLOTS %d >= %d", __func__,
|
1213 |
slot_id, NUM_MEMSLOTS); |
1214 |
return 1; |
1215 |
} |
1216 |
if (guest_start > guest_end) {
|
1217 |
qxl_set_guest_bug(d, "%s: guest_start > guest_end 0x%" PRIx64
|
1218 |
" > 0x%" PRIx64, __func__, guest_start, guest_end);
|
1219 |
return 1; |
1220 |
} |
1221 |
|
1222 |
for (i = 0; i < ARRAY_SIZE(regions); i++) { |
1223 |
pci_region = regions[i]; |
1224 |
pci_start = d->pci.io_regions[pci_region].addr; |
1225 |
pci_end = pci_start + d->pci.io_regions[pci_region].size; |
1226 |
/* mapped? */
|
1227 |
if (pci_start == -1) { |
1228 |
continue;
|
1229 |
} |
1230 |
/* start address in range ? */
|
1231 |
if (guest_start < pci_start || guest_start > pci_end) {
|
1232 |
continue;
|
1233 |
} |
1234 |
/* end address in range ? */
|
1235 |
if (guest_end > pci_end) {
|
1236 |
continue;
|
1237 |
} |
1238 |
/* passed */
|
1239 |
break;
|
1240 |
} |
1241 |
if (i == ARRAY_SIZE(regions)) {
|
1242 |
qxl_set_guest_bug(d, "%s: finished loop without match", __func__);
|
1243 |
return 1; |
1244 |
} |
1245 |
|
1246 |
switch (pci_region) {
|
1247 |
case QXL_RAM_RANGE_INDEX:
|
1248 |
virt_start = (intptr_t)memory_region_get_ram_ptr(&d->vga.vram); |
1249 |
break;
|
1250 |
case QXL_VRAM_RANGE_INDEX:
|
1251 |
case 4 /* vram 64bit */: |
1252 |
virt_start = (intptr_t)memory_region_get_ram_ptr(&d->vram_bar); |
1253 |
break;
|
1254 |
default:
|
1255 |
/* should not happen */
|
1256 |
qxl_set_guest_bug(d, "%s: pci_region = %d", __func__, pci_region);
|
1257 |
return 1; |
1258 |
} |
1259 |
|
1260 |
memslot.slot_id = slot_id; |
1261 |
memslot.slot_group_id = MEMSLOT_GROUP_GUEST; /* guest group */
|
1262 |
memslot.virt_start = virt_start + (guest_start - pci_start); |
1263 |
memslot.virt_end = virt_start + (guest_end - pci_start); |
1264 |
memslot.addr_delta = memslot.virt_start - delta; |
1265 |
memslot.generation = d->rom->slot_generation = 0;
|
1266 |
qxl_rom_set_dirty(d); |
1267 |
|
1268 |
qemu_spice_add_memslot(&d->ssd, &memslot, async); |
1269 |
d->guest_slots[slot_id].ptr = (void*)memslot.virt_start;
|
1270 |
d->guest_slots[slot_id].size = memslot.virt_end - memslot.virt_start; |
1271 |
d->guest_slots[slot_id].delta = delta; |
1272 |
d->guest_slots[slot_id].active = 1;
|
1273 |
return 0; |
1274 |
} |
1275 |
|
1276 |
static void qxl_del_memslot(PCIQXLDevice *d, uint32_t slot_id) |
1277 |
{ |
1278 |
qemu_spice_del_memslot(&d->ssd, MEMSLOT_GROUP_HOST, slot_id); |
1279 |
d->guest_slots[slot_id].active = 0;
|
1280 |
} |
1281 |
|
1282 |
static void qxl_reset_memslots(PCIQXLDevice *d) |
1283 |
{ |
1284 |
qxl_spice_reset_memslots(d); |
1285 |
memset(&d->guest_slots, 0, sizeof(d->guest_slots)); |
1286 |
} |
1287 |
|
1288 |
static void qxl_reset_surfaces(PCIQXLDevice *d) |
1289 |
{ |
1290 |
trace_qxl_reset_surfaces(d->id); |
1291 |
d->mode = QXL_MODE_UNDEFINED; |
1292 |
qxl_spice_destroy_surfaces(d, QXL_SYNC); |
1293 |
} |
1294 |
|
1295 |
/* can be also called from spice server thread context */
|
1296 |
void *qxl_phys2virt(PCIQXLDevice *qxl, QXLPHYSICAL pqxl, int group_id) |
1297 |
{ |
1298 |
uint64_t phys = le64_to_cpu(pqxl); |
1299 |
uint32_t slot = (phys >> (64 - 8)) & 0xff; |
1300 |
uint64_t offset = phys & 0xffffffffffff;
|
1301 |
|
1302 |
switch (group_id) {
|
1303 |
case MEMSLOT_GROUP_HOST:
|
1304 |
return (void *)(intptr_t)offset; |
1305 |
case MEMSLOT_GROUP_GUEST:
|
1306 |
if (slot >= NUM_MEMSLOTS) {
|
1307 |
qxl_set_guest_bug(qxl, "slot too large %d >= %d", slot,
|
1308 |
NUM_MEMSLOTS); |
1309 |
return NULL; |
1310 |
} |
1311 |
if (!qxl->guest_slots[slot].active) {
|
1312 |
qxl_set_guest_bug(qxl, "inactive slot %d\n", slot);
|
1313 |
return NULL; |
1314 |
} |
1315 |
if (offset < qxl->guest_slots[slot].delta) {
|
1316 |
qxl_set_guest_bug(qxl, |
1317 |
"slot %d offset %"PRIu64" < delta %"PRIu64"\n", |
1318 |
slot, offset, qxl->guest_slots[slot].delta); |
1319 |
return NULL; |
1320 |
} |
1321 |
offset -= qxl->guest_slots[slot].delta; |
1322 |
if (offset > qxl->guest_slots[slot].size) {
|
1323 |
qxl_set_guest_bug(qxl, |
1324 |
"slot %d offset %"PRIu64" > size %"PRIu64"\n", |
1325 |
slot, offset, qxl->guest_slots[slot].size); |
1326 |
return NULL; |
1327 |
} |
1328 |
return qxl->guest_slots[slot].ptr + offset;
|
1329 |
} |
1330 |
return NULL; |
1331 |
} |
1332 |
|
1333 |
static void qxl_create_guest_primary_complete(PCIQXLDevice *qxl) |
1334 |
{ |
1335 |
/* for local rendering */
|
1336 |
qxl_render_resize(qxl); |
1337 |
} |
1338 |
|
1339 |
static void qxl_create_guest_primary(PCIQXLDevice *qxl, int loadvm, |
1340 |
qxl_async_io async) |
1341 |
{ |
1342 |
QXLDevSurfaceCreate surface; |
1343 |
QXLSurfaceCreate *sc = &qxl->guest_primary.surface; |
1344 |
int size;
|
1345 |
int requested_height = le32_to_cpu(sc->height);
|
1346 |
int requested_stride = le32_to_cpu(sc->stride);
|
1347 |
|
1348 |
size = abs(requested_stride) * requested_height; |
1349 |
if (size > qxl->vgamem_size) {
|
1350 |
qxl_set_guest_bug(qxl, "%s: requested primary larger then framebuffer"
|
1351 |
" size", __func__);
|
1352 |
return;
|
1353 |
} |
1354 |
|
1355 |
if (qxl->mode == QXL_MODE_NATIVE) {
|
1356 |
qxl_set_guest_bug(qxl, "%s: nop since already in QXL_MODE_NATIVE",
|
1357 |
__func__); |
1358 |
} |
1359 |
qxl_exit_vga_mode(qxl); |
1360 |
|
1361 |
surface.format = le32_to_cpu(sc->format); |
1362 |
surface.height = le32_to_cpu(sc->height); |
1363 |
surface.mem = le64_to_cpu(sc->mem); |
1364 |
surface.position = le32_to_cpu(sc->position); |
1365 |
surface.stride = le32_to_cpu(sc->stride); |
1366 |
surface.width = le32_to_cpu(sc->width); |
1367 |
surface.type = le32_to_cpu(sc->type); |
1368 |
surface.flags = le32_to_cpu(sc->flags); |
1369 |
trace_qxl_create_guest_primary(qxl->id, sc->width, sc->height, sc->mem, |
1370 |
sc->format, sc->position); |
1371 |
trace_qxl_create_guest_primary_rest(qxl->id, sc->stride, sc->type, |
1372 |
sc->flags); |
1373 |
|
1374 |
if ((surface.stride & 0x3) != 0) { |
1375 |
qxl_set_guest_bug(qxl, "primary surface stride = %d %% 4 != 0",
|
1376 |
surface.stride); |
1377 |
return;
|
1378 |
} |
1379 |
|
1380 |
surface.mouse_mode = true;
|
1381 |
surface.group_id = MEMSLOT_GROUP_GUEST; |
1382 |
if (loadvm) {
|
1383 |
surface.flags |= QXL_SURF_FLAG_KEEP_DATA; |
1384 |
} |
1385 |
|
1386 |
qxl->mode = QXL_MODE_NATIVE; |
1387 |
qxl->cmdflags = 0;
|
1388 |
qemu_spice_create_primary_surface(&qxl->ssd, 0, &surface, async);
|
1389 |
|
1390 |
if (async == QXL_SYNC) {
|
1391 |
qxl_create_guest_primary_complete(qxl); |
1392 |
} |
1393 |
} |
1394 |
|
1395 |
/* return 1 if surface destoy was initiated (in QXL_ASYNC case) or
|
1396 |
* done (in QXL_SYNC case), 0 otherwise. */
|
1397 |
static int qxl_destroy_primary(PCIQXLDevice *d, qxl_async_io async) |
1398 |
{ |
1399 |
if (d->mode == QXL_MODE_UNDEFINED) {
|
1400 |
return 0; |
1401 |
} |
1402 |
trace_qxl_destroy_primary(d->id); |
1403 |
d->mode = QXL_MODE_UNDEFINED; |
1404 |
qemu_spice_destroy_primary_surface(&d->ssd, 0, async);
|
1405 |
qxl_spice_reset_cursor(d); |
1406 |
return 1; |
1407 |
} |
1408 |
|
1409 |
static void qxl_set_mode(PCIQXLDevice *d, int modenr, int loadvm) |
1410 |
{ |
1411 |
pcibus_t start = d->pci.io_regions[QXL_RAM_RANGE_INDEX].addr; |
1412 |
pcibus_t end = d->pci.io_regions[QXL_RAM_RANGE_INDEX].size + start; |
1413 |
QXLMode *mode = d->modes->modes + modenr; |
1414 |
uint64_t devmem = d->pci.io_regions[QXL_RAM_RANGE_INDEX].addr; |
1415 |
QXLMemSlot slot = { |
1416 |
.mem_start = start, |
1417 |
.mem_end = end |
1418 |
}; |
1419 |
QXLSurfaceCreate surface = { |
1420 |
.width = mode->x_res, |
1421 |
.height = mode->y_res, |
1422 |
.stride = -mode->x_res * 4,
|
1423 |
.format = SPICE_SURFACE_FMT_32_xRGB, |
1424 |
.flags = loadvm ? QXL_SURF_FLAG_KEEP_DATA : 0,
|
1425 |
.mouse_mode = true,
|
1426 |
.mem = devmem + d->shadow_rom.draw_area_offset, |
1427 |
}; |
1428 |
|
1429 |
trace_qxl_set_mode(d->id, modenr, mode->x_res, mode->y_res, mode->bits, |
1430 |
devmem); |
1431 |
if (!loadvm) {
|
1432 |
qxl_hard_reset(d, 0);
|
1433 |
} |
1434 |
|
1435 |
d->guest_slots[0].slot = slot;
|
1436 |
assert(qxl_add_memslot(d, 0, devmem, QXL_SYNC) == 0); |
1437 |
|
1438 |
d->guest_primary.surface = surface; |
1439 |
qxl_create_guest_primary(d, 0, QXL_SYNC);
|
1440 |
|
1441 |
d->mode = QXL_MODE_COMPAT; |
1442 |
d->cmdflags = QXL_COMMAND_FLAG_COMPAT; |
1443 |
if (mode->bits == 16) { |
1444 |
d->cmdflags |= QXL_COMMAND_FLAG_COMPAT_16BPP; |
1445 |
} |
1446 |
d->shadow_rom.mode = cpu_to_le32(modenr); |
1447 |
d->rom->mode = cpu_to_le32(modenr); |
1448 |
qxl_rom_set_dirty(d); |
1449 |
} |
1450 |
|
1451 |
static void ioport_write(void *opaque, hwaddr addr, |
1452 |
uint64_t val, unsigned size)
|
1453 |
{ |
1454 |
PCIQXLDevice *d = opaque; |
1455 |
uint32_t io_port = addr; |
1456 |
qxl_async_io async = QXL_SYNC; |
1457 |
uint32_t orig_io_port = io_port; |
1458 |
|
1459 |
if (d->guest_bug && io_port != QXL_IO_RESET) {
|
1460 |
return;
|
1461 |
} |
1462 |
|
1463 |
if (d->revision <= QXL_REVISION_STABLE_V10 &&
|
1464 |
io_port > QXL_IO_FLUSH_RELEASE) { |
1465 |
qxl_set_guest_bug(d, "unsupported io %d for revision %d\n",
|
1466 |
io_port, d->revision); |
1467 |
return;
|
1468 |
} |
1469 |
|
1470 |
switch (io_port) {
|
1471 |
case QXL_IO_RESET:
|
1472 |
case QXL_IO_SET_MODE:
|
1473 |
case QXL_IO_MEMSLOT_ADD:
|
1474 |
case QXL_IO_MEMSLOT_DEL:
|
1475 |
case QXL_IO_CREATE_PRIMARY:
|
1476 |
case QXL_IO_UPDATE_IRQ:
|
1477 |
case QXL_IO_LOG:
|
1478 |
case QXL_IO_MEMSLOT_ADD_ASYNC:
|
1479 |
case QXL_IO_CREATE_PRIMARY_ASYNC:
|
1480 |
break;
|
1481 |
default:
|
1482 |
if (d->mode != QXL_MODE_VGA) {
|
1483 |
break;
|
1484 |
} |
1485 |
trace_qxl_io_unexpected_vga_mode(d->id, |
1486 |
addr, val, io_port_to_string(io_port)); |
1487 |
/* be nice to buggy guest drivers */
|
1488 |
if (io_port >= QXL_IO_UPDATE_AREA_ASYNC &&
|
1489 |
io_port < QXL_IO_RANGE_SIZE) { |
1490 |
qxl_send_events(d, QXL_INTERRUPT_IO_CMD); |
1491 |
} |
1492 |
return;
|
1493 |
} |
1494 |
|
1495 |
/* we change the io_port to avoid ifdeffery in the main switch */
|
1496 |
orig_io_port = io_port; |
1497 |
switch (io_port) {
|
1498 |
case QXL_IO_UPDATE_AREA_ASYNC:
|
1499 |
io_port = QXL_IO_UPDATE_AREA; |
1500 |
goto async_common;
|
1501 |
case QXL_IO_MEMSLOT_ADD_ASYNC:
|
1502 |
io_port = QXL_IO_MEMSLOT_ADD; |
1503 |
goto async_common;
|
1504 |
case QXL_IO_CREATE_PRIMARY_ASYNC:
|
1505 |
io_port = QXL_IO_CREATE_PRIMARY; |
1506 |
goto async_common;
|
1507 |
case QXL_IO_DESTROY_PRIMARY_ASYNC:
|
1508 |
io_port = QXL_IO_DESTROY_PRIMARY; |
1509 |
goto async_common;
|
1510 |
case QXL_IO_DESTROY_SURFACE_ASYNC:
|
1511 |
io_port = QXL_IO_DESTROY_SURFACE_WAIT; |
1512 |
goto async_common;
|
1513 |
case QXL_IO_DESTROY_ALL_SURFACES_ASYNC:
|
1514 |
io_port = QXL_IO_DESTROY_ALL_SURFACES; |
1515 |
goto async_common;
|
1516 |
case QXL_IO_FLUSH_SURFACES_ASYNC:
|
1517 |
case QXL_IO_MONITORS_CONFIG_ASYNC:
|
1518 |
async_common:
|
1519 |
async = QXL_ASYNC; |
1520 |
qemu_mutex_lock(&d->async_lock); |
1521 |
if (d->current_async != QXL_UNDEFINED_IO) {
|
1522 |
qxl_set_guest_bug(d, "%d async started before last (%d) complete",
|
1523 |
io_port, d->current_async); |
1524 |
qemu_mutex_unlock(&d->async_lock); |
1525 |
return;
|
1526 |
} |
1527 |
d->current_async = orig_io_port; |
1528 |
qemu_mutex_unlock(&d->async_lock); |
1529 |
break;
|
1530 |
default:
|
1531 |
break;
|
1532 |
} |
1533 |
trace_qxl_io_write(d->id, qxl_mode_to_string(d->mode), addr, val, size, |
1534 |
async); |
1535 |
|
1536 |
switch (io_port) {
|
1537 |
case QXL_IO_UPDATE_AREA:
|
1538 |
{ |
1539 |
QXLCookie *cookie = NULL;
|
1540 |
QXLRect update = d->ram->update_area; |
1541 |
|
1542 |
if (d->ram->update_surface > d->ssd.num_surfaces) {
|
1543 |
qxl_set_guest_bug(d, "QXL_IO_UPDATE_AREA: invalid surface id %d\n",
|
1544 |
d->ram->update_surface); |
1545 |
break;
|
1546 |
} |
1547 |
if (update.left >= update.right || update.top >= update.bottom ||
|
1548 |
update.left < 0 || update.top < 0) { |
1549 |
qxl_set_guest_bug(d, |
1550 |
"QXL_IO_UPDATE_AREA: invalid area (%ux%u)x(%ux%u)\n",
|
1551 |
update.left, update.top, update.right, update.bottom); |
1552 |
break;
|
1553 |
} |
1554 |
if (async == QXL_ASYNC) {
|
1555 |
cookie = qxl_cookie_new(QXL_COOKIE_TYPE_IO, |
1556 |
QXL_IO_UPDATE_AREA_ASYNC); |
1557 |
cookie->u.area = update; |
1558 |
} |
1559 |
qxl_spice_update_area(d, d->ram->update_surface, |
1560 |
cookie ? &cookie->u.area : &update, |
1561 |
NULL, 0, 0, async, cookie); |
1562 |
break;
|
1563 |
} |
1564 |
case QXL_IO_NOTIFY_CMD:
|
1565 |
qemu_spice_wakeup(&d->ssd); |
1566 |
break;
|
1567 |
case QXL_IO_NOTIFY_CURSOR:
|
1568 |
qemu_spice_wakeup(&d->ssd); |
1569 |
break;
|
1570 |
case QXL_IO_UPDATE_IRQ:
|
1571 |
qxl_update_irq(d); |
1572 |
break;
|
1573 |
case QXL_IO_NOTIFY_OOM:
|
1574 |
if (!SPICE_RING_IS_EMPTY(&d->ram->release_ring)) {
|
1575 |
break;
|
1576 |
} |
1577 |
d->oom_running = 1;
|
1578 |
qxl_spice_oom(d); |
1579 |
d->oom_running = 0;
|
1580 |
break;
|
1581 |
case QXL_IO_SET_MODE:
|
1582 |
qxl_set_mode(d, val, 0);
|
1583 |
break;
|
1584 |
case QXL_IO_LOG:
|
1585 |
trace_qxl_io_log(d->id, d->ram->log_buf); |
1586 |
if (d->guestdebug) {
|
1587 |
fprintf(stderr, "qxl/guest-%d: %" PRId64 ": %s", d->id, |
1588 |
qemu_get_clock_ns(vm_clock), d->ram->log_buf); |
1589 |
} |
1590 |
break;
|
1591 |
case QXL_IO_RESET:
|
1592 |
qxl_hard_reset(d, 0);
|
1593 |
break;
|
1594 |
case QXL_IO_MEMSLOT_ADD:
|
1595 |
if (val >= NUM_MEMSLOTS) {
|
1596 |
qxl_set_guest_bug(d, "QXL_IO_MEMSLOT_ADD: val out of range");
|
1597 |
break;
|
1598 |
} |
1599 |
if (d->guest_slots[val].active) {
|
1600 |
qxl_set_guest_bug(d, |
1601 |
"QXL_IO_MEMSLOT_ADD: memory slot already active");
|
1602 |
break;
|
1603 |
} |
1604 |
d->guest_slots[val].slot = d->ram->mem_slot; |
1605 |
qxl_add_memslot(d, val, 0, async);
|
1606 |
break;
|
1607 |
case QXL_IO_MEMSLOT_DEL:
|
1608 |
if (val >= NUM_MEMSLOTS) {
|
1609 |
qxl_set_guest_bug(d, "QXL_IO_MEMSLOT_DEL: val out of range");
|
1610 |
break;
|
1611 |
} |
1612 |
qxl_del_memslot(d, val); |
1613 |
break;
|
1614 |
case QXL_IO_CREATE_PRIMARY:
|
1615 |
if (val != 0) { |
1616 |
qxl_set_guest_bug(d, "QXL_IO_CREATE_PRIMARY (async=%d): val != 0",
|
1617 |
async); |
1618 |
goto cancel_async;
|
1619 |
} |
1620 |
d->guest_primary.surface = d->ram->create_surface; |
1621 |
qxl_create_guest_primary(d, 0, async);
|
1622 |
break;
|
1623 |
case QXL_IO_DESTROY_PRIMARY:
|
1624 |
if (val != 0) { |
1625 |
qxl_set_guest_bug(d, "QXL_IO_DESTROY_PRIMARY (async=%d): val != 0",
|
1626 |
async); |
1627 |
goto cancel_async;
|
1628 |
} |
1629 |
if (!qxl_destroy_primary(d, async)) {
|
1630 |
trace_qxl_io_destroy_primary_ignored(d->id, |
1631 |
qxl_mode_to_string(d->mode)); |
1632 |
goto cancel_async;
|
1633 |
} |
1634 |
break;
|
1635 |
case QXL_IO_DESTROY_SURFACE_WAIT:
|
1636 |
if (val >= d->ssd.num_surfaces) {
|
1637 |
qxl_set_guest_bug(d, "QXL_IO_DESTROY_SURFACE (async=%d):"
|
1638 |
"%" PRIu64 " >= NUM_SURFACES", async, val); |
1639 |
goto cancel_async;
|
1640 |
} |
1641 |
qxl_spice_destroy_surface_wait(d, val, async); |
1642 |
break;
|
1643 |
case QXL_IO_FLUSH_RELEASE: {
|
1644 |
QXLReleaseRing *ring = &d->ram->release_ring; |
1645 |
if (ring->prod - ring->cons + 1 == ring->num_items) { |
1646 |
fprintf(stderr, |
1647 |
"ERROR: no flush, full release ring [p%d,%dc]\n",
|
1648 |
ring->prod, ring->cons); |
1649 |
} |
1650 |
qxl_push_free_res(d, 1 /* flush */); |
1651 |
break;
|
1652 |
} |
1653 |
case QXL_IO_FLUSH_SURFACES_ASYNC:
|
1654 |
qxl_spice_flush_surfaces_async(d); |
1655 |
break;
|
1656 |
case QXL_IO_DESTROY_ALL_SURFACES:
|
1657 |
d->mode = QXL_MODE_UNDEFINED; |
1658 |
qxl_spice_destroy_surfaces(d, async); |
1659 |
break;
|
1660 |
case QXL_IO_MONITORS_CONFIG_ASYNC:
|
1661 |
qxl_spice_monitors_config_async(d, 0);
|
1662 |
break;
|
1663 |
default:
|
1664 |
qxl_set_guest_bug(d, "%s: unexpected ioport=0x%x\n", __func__, io_port);
|
1665 |
} |
1666 |
return;
|
1667 |
cancel_async:
|
1668 |
if (async) {
|
1669 |
qxl_send_events(d, QXL_INTERRUPT_IO_CMD); |
1670 |
qemu_mutex_lock(&d->async_lock); |
1671 |
d->current_async = QXL_UNDEFINED_IO; |
1672 |
qemu_mutex_unlock(&d->async_lock); |
1673 |
} |
1674 |
} |
1675 |
|
1676 |
static uint64_t ioport_read(void *opaque, hwaddr addr, |
1677 |
unsigned size)
|
1678 |
{ |
1679 |
PCIQXLDevice *qxl = opaque; |
1680 |
|
1681 |
trace_qxl_io_read_unexpected(qxl->id); |
1682 |
return 0xff; |
1683 |
} |
1684 |
|
1685 |
static const MemoryRegionOps qxl_io_ops = { |
1686 |
.read = ioport_read, |
1687 |
.write = ioport_write, |
1688 |
.valid = { |
1689 |
.min_access_size = 1,
|
1690 |
.max_access_size = 1,
|
1691 |
}, |
1692 |
}; |
1693 |
|
1694 |
static void pipe_read(void *opaque) |
1695 |
{ |
1696 |
PCIQXLDevice *d = opaque; |
1697 |
char dummy;
|
1698 |
int len;
|
1699 |
|
1700 |
do {
|
1701 |
len = read(d->pipe[0], &dummy, sizeof(dummy)); |
1702 |
} while (len == sizeof(dummy)); |
1703 |
qxl_update_irq(d); |
1704 |
} |
1705 |
|
1706 |
static void qxl_send_events(PCIQXLDevice *d, uint32_t events) |
1707 |
{ |
1708 |
uint32_t old_pending; |
1709 |
uint32_t le_events = cpu_to_le32(events); |
1710 |
|
1711 |
trace_qxl_send_events(d->id, events); |
1712 |
if (!qemu_spice_display_is_running(&d->ssd)) {
|
1713 |
/* spice-server tracks guest running state and should not do this */
|
1714 |
fprintf(stderr, "%s: spice-server bug: guest stopped, ignoring\n",
|
1715 |
__func__); |
1716 |
trace_qxl_send_events_vm_stopped(d->id, events); |
1717 |
return;
|
1718 |
} |
1719 |
old_pending = __sync_fetch_and_or(&d->ram->int_pending, le_events); |
1720 |
if ((old_pending & le_events) == le_events) {
|
1721 |
return;
|
1722 |
} |
1723 |
if (qemu_thread_is_self(&d->main)) {
|
1724 |
qxl_update_irq(d); |
1725 |
} else {
|
1726 |
if (write(d->pipe[1], d, 1) != 1) { |
1727 |
dprint(d, 1, "%s: write to pipe failed\n", __func__); |
1728 |
} |
1729 |
} |
1730 |
} |
1731 |
|
1732 |
static void init_pipe_signaling(PCIQXLDevice *d) |
1733 |
{ |
1734 |
if (pipe(d->pipe) < 0) { |
1735 |
fprintf(stderr, "%s:%s: qxl pipe creation failed\n",
|
1736 |
__FILE__, __func__); |
1737 |
exit(1);
|
1738 |
} |
1739 |
fcntl(d->pipe[0], F_SETFL, O_NONBLOCK);
|
1740 |
fcntl(d->pipe[1], F_SETFL, O_NONBLOCK);
|
1741 |
fcntl(d->pipe[0], F_SETOWN, getpid());
|
1742 |
|
1743 |
qemu_thread_get_self(&d->main); |
1744 |
qemu_set_fd_handler(d->pipe[0], pipe_read, NULL, d); |
1745 |
} |
1746 |
|
1747 |
/* graphics console */
|
1748 |
|
1749 |
static void qxl_hw_update(void *opaque) |
1750 |
{ |
1751 |
PCIQXLDevice *qxl = opaque; |
1752 |
VGACommonState *vga = &qxl->vga; |
1753 |
|
1754 |
switch (qxl->mode) {
|
1755 |
case QXL_MODE_VGA:
|
1756 |
vga->update(vga); |
1757 |
break;
|
1758 |
case QXL_MODE_COMPAT:
|
1759 |
case QXL_MODE_NATIVE:
|
1760 |
qxl_render_update(qxl); |
1761 |
break;
|
1762 |
default:
|
1763 |
break;
|
1764 |
} |
1765 |
} |
1766 |
|
1767 |
static void qxl_hw_invalidate(void *opaque) |
1768 |
{ |
1769 |
PCIQXLDevice *qxl = opaque; |
1770 |
VGACommonState *vga = &qxl->vga; |
1771 |
|
1772 |
vga->invalidate(vga); |
1773 |
} |
1774 |
|
1775 |
static void qxl_hw_screen_dump(void *opaque, const char *filename, bool cswitch, |
1776 |
Error **errp) |
1777 |
{ |
1778 |
PCIQXLDevice *qxl = opaque; |
1779 |
VGACommonState *vga = &qxl->vga; |
1780 |
|
1781 |
switch (qxl->mode) {
|
1782 |
case QXL_MODE_COMPAT:
|
1783 |
case QXL_MODE_NATIVE:
|
1784 |
qxl_render_update(qxl); |
1785 |
ppm_save(filename, qxl->ssd.ds, errp); |
1786 |
break;
|
1787 |
case QXL_MODE_VGA:
|
1788 |
vga->screen_dump(vga, filename, cswitch, errp); |
1789 |
break;
|
1790 |
default:
|
1791 |
break;
|
1792 |
} |
1793 |
} |
1794 |
|
1795 |
static void qxl_hw_text_update(void *opaque, console_ch_t *chardata) |
1796 |
{ |
1797 |
PCIQXLDevice *qxl = opaque; |
1798 |
VGACommonState *vga = &qxl->vga; |
1799 |
|
1800 |
if (qxl->mode == QXL_MODE_VGA) {
|
1801 |
vga->text_update(vga, chardata); |
1802 |
return;
|
1803 |
} |
1804 |
} |
1805 |
|
1806 |
static void qxl_dirty_surfaces(PCIQXLDevice *qxl) |
1807 |
{ |
1808 |
uintptr_t vram_start; |
1809 |
int i;
|
1810 |
|
1811 |
if (qxl->mode != QXL_MODE_NATIVE && qxl->mode != QXL_MODE_COMPAT) {
|
1812 |
return;
|
1813 |
} |
1814 |
|
1815 |
/* dirty the primary surface */
|
1816 |
qxl_set_dirty(&qxl->vga.vram, qxl->shadow_rom.draw_area_offset, |
1817 |
qxl->shadow_rom.surface0_area_size); |
1818 |
|
1819 |
vram_start = (uintptr_t)memory_region_get_ram_ptr(&qxl->vram_bar); |
1820 |
|
1821 |
/* dirty the off-screen surfaces */
|
1822 |
for (i = 0; i < qxl->ssd.num_surfaces; i++) { |
1823 |
QXLSurfaceCmd *cmd; |
1824 |
intptr_t surface_offset; |
1825 |
int surface_size;
|
1826 |
|
1827 |
if (qxl->guest_surfaces.cmds[i] == 0) { |
1828 |
continue;
|
1829 |
} |
1830 |
|
1831 |
cmd = qxl_phys2virt(qxl, qxl->guest_surfaces.cmds[i], |
1832 |
MEMSLOT_GROUP_GUEST); |
1833 |
assert(cmd); |
1834 |
assert(cmd->type == QXL_SURFACE_CMD_CREATE); |
1835 |
surface_offset = (intptr_t)qxl_phys2virt(qxl, |
1836 |
cmd->u.surface_create.data, |
1837 |
MEMSLOT_GROUP_GUEST); |
1838 |
assert(surface_offset); |
1839 |
surface_offset -= vram_start; |
1840 |
surface_size = cmd->u.surface_create.height * |
1841 |
abs(cmd->u.surface_create.stride); |
1842 |
trace_qxl_surfaces_dirty(qxl->id, i, (int)surface_offset, surface_size);
|
1843 |
qxl_set_dirty(&qxl->vram_bar, surface_offset, surface_size); |
1844 |
} |
1845 |
} |
1846 |
|
1847 |
static void qxl_vm_change_state_handler(void *opaque, int running, |
1848 |
RunState state) |
1849 |
{ |
1850 |
PCIQXLDevice *qxl = opaque; |
1851 |
|
1852 |
if (running) {
|
1853 |
/*
|
1854 |
* if qxl_send_events was called from spice server context before
|
1855 |
* migration ended, qxl_update_irq for these events might not have been
|
1856 |
* called
|
1857 |
*/
|
1858 |
qxl_update_irq(qxl); |
1859 |
} else {
|
1860 |
/* make sure surfaces are saved before migration */
|
1861 |
qxl_dirty_surfaces(qxl); |
1862 |
} |
1863 |
} |
1864 |
|
1865 |
/* display change listener */
|
1866 |
|
1867 |
static void display_update(DisplayChangeListener *dcl, |
1868 |
int x, int y, int w, int h) |
1869 |
{ |
1870 |
PCIQXLDevice *qxl = container_of(dcl, PCIQXLDevice, ssd.dcl); |
1871 |
|
1872 |
if (qxl->mode == QXL_MODE_VGA) {
|
1873 |
qemu_spice_display_update(&qxl->ssd, x, y, w, h); |
1874 |
} |
1875 |
} |
1876 |
|
1877 |
static void display_switch(DisplayChangeListener *dcl, |
1878 |
struct DisplaySurface *surface)
|
1879 |
{ |
1880 |
PCIQXLDevice *qxl = container_of(dcl, PCIQXLDevice, ssd.dcl); |
1881 |
|
1882 |
qxl->ssd.ds = surface; |
1883 |
if (qxl->mode == QXL_MODE_VGA) {
|
1884 |
qemu_spice_display_switch(&qxl->ssd, surface); |
1885 |
} |
1886 |
} |
1887 |
|
1888 |
static void display_refresh(DisplayChangeListener *dcl) |
1889 |
{ |
1890 |
PCIQXLDevice *qxl = container_of(dcl, PCIQXLDevice, ssd.dcl); |
1891 |
|
1892 |
if (qxl->mode == QXL_MODE_VGA) {
|
1893 |
qemu_spice_display_refresh(&qxl->ssd); |
1894 |
} else {
|
1895 |
qemu_mutex_lock(&qxl->ssd.lock); |
1896 |
qemu_spice_cursor_refresh_unlocked(&qxl->ssd); |
1897 |
qemu_mutex_unlock(&qxl->ssd.lock); |
1898 |
} |
1899 |
} |
1900 |
|
1901 |
static DisplayChangeListenerOps display_listener_ops = {
|
1902 |
.dpy_name = "spice/qxl",
|
1903 |
.dpy_gfx_update = display_update, |
1904 |
.dpy_gfx_switch = display_switch, |
1905 |
.dpy_refresh = display_refresh, |
1906 |
}; |
1907 |
|
1908 |
static void qxl_init_ramsize(PCIQXLDevice *qxl) |
1909 |
{ |
1910 |
/* vga mode framebuffer / primary surface (bar 0, first part) */
|
1911 |
if (qxl->vgamem_size_mb < 8) { |
1912 |
qxl->vgamem_size_mb = 8;
|
1913 |
} |
1914 |
qxl->vgamem_size = qxl->vgamem_size_mb * 1024 * 1024; |
1915 |
|
1916 |
/* vga ram (bar 0, total) */
|
1917 |
if (qxl->ram_size_mb != -1) { |
1918 |
qxl->vga.vram_size = qxl->ram_size_mb * 1024 * 1024; |
1919 |
} |
1920 |
if (qxl->vga.vram_size < qxl->vgamem_size * 2) { |
1921 |
qxl->vga.vram_size = qxl->vgamem_size * 2;
|
1922 |
} |
1923 |
|
1924 |
/* vram32 (surfaces, 32bit, bar 1) */
|
1925 |
if (qxl->vram32_size_mb != -1) { |
1926 |
qxl->vram32_size = qxl->vram32_size_mb * 1024 * 1024; |
1927 |
} |
1928 |
if (qxl->vram32_size < 4096) { |
1929 |
qxl->vram32_size = 4096;
|
1930 |
} |
1931 |
|
1932 |
/* vram (surfaces, 64bit, bar 4+5) */
|
1933 |
if (qxl->vram_size_mb != -1) { |
1934 |
qxl->vram_size = qxl->vram_size_mb * 1024 * 1024; |
1935 |
} |
1936 |
if (qxl->vram_size < qxl->vram32_size) {
|
1937 |
qxl->vram_size = qxl->vram32_size; |
1938 |
} |
1939 |
|
1940 |
if (qxl->revision == 1) { |
1941 |
qxl->vram32_size = 4096;
|
1942 |
qxl->vram_size = 4096;
|
1943 |
} |
1944 |
qxl->vgamem_size = msb_mask(qxl->vgamem_size * 2 - 1); |
1945 |
qxl->vga.vram_size = msb_mask(qxl->vga.vram_size * 2 - 1); |
1946 |
qxl->vram32_size = msb_mask(qxl->vram32_size * 2 - 1); |
1947 |
qxl->vram_size = msb_mask(qxl->vram_size * 2 - 1); |
1948 |
} |
1949 |
|
1950 |
static int qxl_init_common(PCIQXLDevice *qxl) |
1951 |
{ |
1952 |
uint8_t* config = qxl->pci.config; |
1953 |
uint32_t pci_device_rev; |
1954 |
uint32_t io_size; |
1955 |
|
1956 |
qxl->mode = QXL_MODE_UNDEFINED; |
1957 |
qxl->generation = 1;
|
1958 |
qxl->num_memslots = NUM_MEMSLOTS; |
1959 |
qemu_mutex_init(&qxl->track_lock); |
1960 |
qemu_mutex_init(&qxl->async_lock); |
1961 |
qxl->current_async = QXL_UNDEFINED_IO; |
1962 |
qxl->guest_bug = 0;
|
1963 |
|
1964 |
switch (qxl->revision) {
|
1965 |
case 1: /* spice 0.4 -- qxl-1 */ |
1966 |
pci_device_rev = QXL_REVISION_STABLE_V04; |
1967 |
io_size = 8;
|
1968 |
break;
|
1969 |
case 2: /* spice 0.6 -- qxl-2 */ |
1970 |
pci_device_rev = QXL_REVISION_STABLE_V06; |
1971 |
io_size = 16;
|
1972 |
break;
|
1973 |
case 3: /* qxl-3 */ |
1974 |
pci_device_rev = QXL_REVISION_STABLE_V10; |
1975 |
io_size = 32; /* PCI region size must be pow2 */ |
1976 |
break;
|
1977 |
case 4: /* qxl-4 */ |
1978 |
pci_device_rev = QXL_REVISION_STABLE_V12; |
1979 |
io_size = msb_mask(QXL_IO_RANGE_SIZE * 2 - 1); |
1980 |
break;
|
1981 |
default:
|
1982 |
error_report("Invalid revision %d for qxl device (max %d)",
|
1983 |
qxl->revision, QXL_DEFAULT_REVISION); |
1984 |
return -1; |
1985 |
} |
1986 |
|
1987 |
pci_set_byte(&config[PCI_REVISION_ID], pci_device_rev); |
1988 |
pci_set_byte(&config[PCI_INTERRUPT_PIN], 1);
|
1989 |
|
1990 |
qxl->rom_size = qxl_rom_size(); |
1991 |
memory_region_init_ram(&qxl->rom_bar, "qxl.vrom", qxl->rom_size);
|
1992 |
vmstate_register_ram(&qxl->rom_bar, &qxl->pci.qdev); |
1993 |
init_qxl_rom(qxl); |
1994 |
init_qxl_ram(qxl); |
1995 |
|
1996 |
qxl->guest_surfaces.cmds = g_new0(QXLPHYSICAL, qxl->ssd.num_surfaces); |
1997 |
memory_region_init_ram(&qxl->vram_bar, "qxl.vram", qxl->vram_size);
|
1998 |
vmstate_register_ram(&qxl->vram_bar, &qxl->pci.qdev); |
1999 |
memory_region_init_alias(&qxl->vram32_bar, "qxl.vram32", &qxl->vram_bar,
|
2000 |
0, qxl->vram32_size);
|
2001 |
|
2002 |
memory_region_init_io(&qxl->io_bar, &qxl_io_ops, qxl, |
2003 |
"qxl-ioports", io_size);
|
2004 |
if (qxl->id == 0) { |
2005 |
vga_dirty_log_start(&qxl->vga); |
2006 |
} |
2007 |
memory_region_set_flush_coalesced(&qxl->io_bar); |
2008 |
|
2009 |
|
2010 |
pci_register_bar(&qxl->pci, QXL_IO_RANGE_INDEX, |
2011 |
PCI_BASE_ADDRESS_SPACE_IO, &qxl->io_bar); |
2012 |
|
2013 |
pci_register_bar(&qxl->pci, QXL_ROM_RANGE_INDEX, |
2014 |
PCI_BASE_ADDRESS_SPACE_MEMORY, &qxl->rom_bar); |
2015 |
|
2016 |
pci_register_bar(&qxl->pci, QXL_RAM_RANGE_INDEX, |
2017 |
PCI_BASE_ADDRESS_SPACE_MEMORY, &qxl->vga.vram); |
2018 |
|
2019 |
pci_register_bar(&qxl->pci, QXL_VRAM_RANGE_INDEX, |
2020 |
PCI_BASE_ADDRESS_SPACE_MEMORY, &qxl->vram32_bar); |
2021 |
|
2022 |
if (qxl->vram32_size < qxl->vram_size) {
|
2023 |
/*
|
2024 |
* Make the 64bit vram bar show up only in case it is
|
2025 |
* configured to be larger than the 32bit vram bar.
|
2026 |
*/
|
2027 |
pci_register_bar(&qxl->pci, QXL_VRAM64_RANGE_INDEX, |
2028 |
PCI_BASE_ADDRESS_SPACE_MEMORY | |
2029 |
PCI_BASE_ADDRESS_MEM_TYPE_64 | |
2030 |
PCI_BASE_ADDRESS_MEM_PREFETCH, |
2031 |
&qxl->vram_bar); |
2032 |
} |
2033 |
|
2034 |
/* print pci bar details */
|
2035 |
dprint(qxl, 1, "ram/%s: %d MB [region 0]\n", |
2036 |
qxl->id == 0 ? "pri" : "sec", |
2037 |
qxl->vga.vram_size / (1024*1024)); |
2038 |
dprint(qxl, 1, "vram/32: %d MB [region 1]\n", |
2039 |
qxl->vram32_size / (1024*1024)); |
2040 |
dprint(qxl, 1, "vram/64: %d MB %s\n", |
2041 |
qxl->vram_size / (1024*1024), |
2042 |
qxl->vram32_size < qxl->vram_size ? "[region 4]" : "[unmapped]"); |
2043 |
|
2044 |
qxl->ssd.qxl.base.sif = &qxl_interface.base; |
2045 |
qxl->ssd.qxl.id = qxl->id; |
2046 |
if (qemu_spice_add_interface(&qxl->ssd.qxl.base) != 0) { |
2047 |
error_report("qxl interface %d.%d not supported by spice-server",
|
2048 |
SPICE_INTERFACE_QXL_MAJOR, SPICE_INTERFACE_QXL_MINOR); |
2049 |
return -1; |
2050 |
} |
2051 |
qemu_add_vm_change_state_handler(qxl_vm_change_state_handler, qxl); |
2052 |
|
2053 |
init_pipe_signaling(qxl); |
2054 |
qxl_reset_state(qxl); |
2055 |
|
2056 |
qxl->update_area_bh = qemu_bh_new(qxl_render_update_area_bh, qxl); |
2057 |
|
2058 |
return 0; |
2059 |
} |
2060 |
|
2061 |
static int qxl_init_primary(PCIDevice *dev) |
2062 |
{ |
2063 |
PCIQXLDevice *qxl = DO_UPCAST(PCIQXLDevice, pci, dev); |
2064 |
VGACommonState *vga = &qxl->vga; |
2065 |
PortioList *qxl_vga_port_list = g_new(PortioList, 1);
|
2066 |
DisplayState *ds; |
2067 |
int rc;
|
2068 |
|
2069 |
qxl->id = 0;
|
2070 |
qxl_init_ramsize(qxl); |
2071 |
vga->vram_size_mb = qxl->vga.vram_size >> 20;
|
2072 |
vga_common_init(vga); |
2073 |
vga_init(vga, pci_address_space(dev), pci_address_space_io(dev), false);
|
2074 |
portio_list_init(qxl_vga_port_list, qxl_vga_portio_list, vga, "vga");
|
2075 |
portio_list_add(qxl_vga_port_list, pci_address_space_io(dev), 0x3b0);
|
2076 |
|
2077 |
vga->con = graphic_console_init(qxl_hw_update, qxl_hw_invalidate, |
2078 |
qxl_hw_screen_dump, qxl_hw_text_update, |
2079 |
qxl); |
2080 |
qxl->ssd.con = vga->con, |
2081 |
qemu_spice_display_init_common(&qxl->ssd); |
2082 |
|
2083 |
rc = qxl_init_common(qxl); |
2084 |
if (rc != 0) { |
2085 |
return rc;
|
2086 |
} |
2087 |
|
2088 |
qxl->ssd.dcl.ops = &display_listener_ops; |
2089 |
ds = qemu_console_displaystate(vga->con); |
2090 |
register_displaychangelistener(ds, &qxl->ssd.dcl); |
2091 |
return rc;
|
2092 |
} |
2093 |
|
2094 |
static int qxl_init_secondary(PCIDevice *dev) |
2095 |
{ |
2096 |
static int device_id = 1; |
2097 |
PCIQXLDevice *qxl = DO_UPCAST(PCIQXLDevice, pci, dev); |
2098 |
|
2099 |
qxl->id = device_id++; |
2100 |
qxl_init_ramsize(qxl); |
2101 |
memory_region_init_ram(&qxl->vga.vram, "qxl.vgavram", qxl->vga.vram_size);
|
2102 |
vmstate_register_ram(&qxl->vga.vram, &qxl->pci.qdev); |
2103 |
qxl->vga.vram_ptr = memory_region_get_ram_ptr(&qxl->vga.vram); |
2104 |
|
2105 |
return qxl_init_common(qxl);
|
2106 |
} |
2107 |
|
2108 |
static void qxl_pre_save(void *opaque) |
2109 |
{ |
2110 |
PCIQXLDevice* d = opaque; |
2111 |
uint8_t *ram_start = d->vga.vram_ptr; |
2112 |
|
2113 |
trace_qxl_pre_save(d->id); |
2114 |
if (d->last_release == NULL) { |
2115 |
d->last_release_offset = 0;
|
2116 |
} else {
|
2117 |
d->last_release_offset = (uint8_t *)d->last_release - ram_start; |
2118 |
} |
2119 |
assert(d->last_release_offset < d->vga.vram_size); |
2120 |
} |
2121 |
|
2122 |
static int qxl_pre_load(void *opaque) |
2123 |
{ |
2124 |
PCIQXLDevice* d = opaque; |
2125 |
|
2126 |
trace_qxl_pre_load(d->id); |
2127 |
qxl_hard_reset(d, 1);
|
2128 |
qxl_exit_vga_mode(d); |
2129 |
return 0; |
2130 |
} |
2131 |
|
2132 |
static void qxl_create_memslots(PCIQXLDevice *d) |
2133 |
{ |
2134 |
int i;
|
2135 |
|
2136 |
for (i = 0; i < NUM_MEMSLOTS; i++) { |
2137 |
if (!d->guest_slots[i].active) {
|
2138 |
continue;
|
2139 |
} |
2140 |
qxl_add_memslot(d, i, 0, QXL_SYNC);
|
2141 |
} |
2142 |
} |
2143 |
|
2144 |
static int qxl_post_load(void *opaque, int version) |
2145 |
{ |
2146 |
PCIQXLDevice* d = opaque; |
2147 |
uint8_t *ram_start = d->vga.vram_ptr; |
2148 |
QXLCommandExt *cmds; |
2149 |
int in, out, newmode;
|
2150 |
|
2151 |
assert(d->last_release_offset < d->vga.vram_size); |
2152 |
if (d->last_release_offset == 0) { |
2153 |
d->last_release = NULL;
|
2154 |
} else {
|
2155 |
d->last_release = (QXLReleaseInfo *)(ram_start + d->last_release_offset); |
2156 |
} |
2157 |
|
2158 |
d->modes = (QXLModes*)((uint8_t*)d->rom + d->rom->modes_offset); |
2159 |
|
2160 |
trace_qxl_post_load(d->id, qxl_mode_to_string(d->mode)); |
2161 |
newmode = d->mode; |
2162 |
d->mode = QXL_MODE_UNDEFINED; |
2163 |
|
2164 |
switch (newmode) {
|
2165 |
case QXL_MODE_UNDEFINED:
|
2166 |
qxl_create_memslots(d); |
2167 |
break;
|
2168 |
case QXL_MODE_VGA:
|
2169 |
qxl_create_memslots(d); |
2170 |
qxl_enter_vga_mode(d); |
2171 |
break;
|
2172 |
case QXL_MODE_NATIVE:
|
2173 |
qxl_create_memslots(d); |
2174 |
qxl_create_guest_primary(d, 1, QXL_SYNC);
|
2175 |
|
2176 |
/* replay surface-create and cursor-set commands */
|
2177 |
cmds = g_malloc0(sizeof(QXLCommandExt) * (d->ssd.num_surfaces + 1)); |
2178 |
for (in = 0, out = 0; in < d->ssd.num_surfaces; in++) { |
2179 |
if (d->guest_surfaces.cmds[in] == 0) { |
2180 |
continue;
|
2181 |
} |
2182 |
cmds[out].cmd.data = d->guest_surfaces.cmds[in]; |
2183 |
cmds[out].cmd.type = QXL_CMD_SURFACE; |
2184 |
cmds[out].group_id = MEMSLOT_GROUP_GUEST; |
2185 |
out++; |
2186 |
} |
2187 |
if (d->guest_cursor) {
|
2188 |
cmds[out].cmd.data = d->guest_cursor; |
2189 |
cmds[out].cmd.type = QXL_CMD_CURSOR; |
2190 |
cmds[out].group_id = MEMSLOT_GROUP_GUEST; |
2191 |
out++; |
2192 |
} |
2193 |
qxl_spice_loadvm_commands(d, cmds, out); |
2194 |
g_free(cmds); |
2195 |
if (d->guest_monitors_config) {
|
2196 |
qxl_spice_monitors_config_async(d, 1);
|
2197 |
} |
2198 |
break;
|
2199 |
case QXL_MODE_COMPAT:
|
2200 |
/* note: no need to call qxl_create_memslots, qxl_set_mode
|
2201 |
* creates the mem slot. */
|
2202 |
qxl_set_mode(d, d->shadow_rom.mode, 1);
|
2203 |
break;
|
2204 |
} |
2205 |
return 0; |
2206 |
} |
2207 |
|
2208 |
#define QXL_SAVE_VERSION 21 |
2209 |
|
2210 |
static bool qxl_monitors_config_needed(void *opaque) |
2211 |
{ |
2212 |
PCIQXLDevice *qxl = opaque; |
2213 |
|
2214 |
return qxl->guest_monitors_config != 0; |
2215 |
} |
2216 |
|
2217 |
|
2218 |
static VMStateDescription qxl_memslot = {
|
2219 |
.name = "qxl-memslot",
|
2220 |
.version_id = QXL_SAVE_VERSION, |
2221 |
.minimum_version_id = QXL_SAVE_VERSION, |
2222 |
.fields = (VMStateField[]) { |
2223 |
VMSTATE_UINT64(slot.mem_start, struct guest_slots),
|
2224 |
VMSTATE_UINT64(slot.mem_end, struct guest_slots),
|
2225 |
VMSTATE_UINT32(active, struct guest_slots),
|
2226 |
VMSTATE_END_OF_LIST() |
2227 |
} |
2228 |
}; |
2229 |
|
2230 |
static VMStateDescription qxl_surface = {
|
2231 |
.name = "qxl-surface",
|
2232 |
.version_id = QXL_SAVE_VERSION, |
2233 |
.minimum_version_id = QXL_SAVE_VERSION, |
2234 |
.fields = (VMStateField[]) { |
2235 |
VMSTATE_UINT32(width, QXLSurfaceCreate), |
2236 |
VMSTATE_UINT32(height, QXLSurfaceCreate), |
2237 |
VMSTATE_INT32(stride, QXLSurfaceCreate), |
2238 |
VMSTATE_UINT32(format, QXLSurfaceCreate), |
2239 |
VMSTATE_UINT32(position, QXLSurfaceCreate), |
2240 |
VMSTATE_UINT32(mouse_mode, QXLSurfaceCreate), |
2241 |
VMSTATE_UINT32(flags, QXLSurfaceCreate), |
2242 |
VMSTATE_UINT32(type, QXLSurfaceCreate), |
2243 |
VMSTATE_UINT64(mem, QXLSurfaceCreate), |
2244 |
VMSTATE_END_OF_LIST() |
2245 |
} |
2246 |
}; |
2247 |
|
2248 |
static VMStateDescription qxl_vmstate_monitors_config = {
|
2249 |
.name = "qxl/monitors-config",
|
2250 |
.version_id = 1,
|
2251 |
.minimum_version_id = 1,
|
2252 |
.fields = (VMStateField[]) { |
2253 |
VMSTATE_UINT64(guest_monitors_config, PCIQXLDevice), |
2254 |
VMSTATE_END_OF_LIST() |
2255 |
}, |
2256 |
}; |
2257 |
|
2258 |
static VMStateDescription qxl_vmstate = {
|
2259 |
.name = "qxl",
|
2260 |
.version_id = QXL_SAVE_VERSION, |
2261 |
.minimum_version_id = QXL_SAVE_VERSION, |
2262 |
.pre_save = qxl_pre_save, |
2263 |
.pre_load = qxl_pre_load, |
2264 |
.post_load = qxl_post_load, |
2265 |
.fields = (VMStateField[]) { |
2266 |
VMSTATE_PCI_DEVICE(pci, PCIQXLDevice), |
2267 |
VMSTATE_STRUCT(vga, PCIQXLDevice, 0, vmstate_vga_common, VGACommonState),
|
2268 |
VMSTATE_UINT32(shadow_rom.mode, PCIQXLDevice), |
2269 |
VMSTATE_UINT32(num_free_res, PCIQXLDevice), |
2270 |
VMSTATE_UINT32(last_release_offset, PCIQXLDevice), |
2271 |
VMSTATE_UINT32(mode, PCIQXLDevice), |
2272 |
VMSTATE_UINT32(ssd.unique, PCIQXLDevice), |
2273 |
VMSTATE_INT32_EQUAL(num_memslots, PCIQXLDevice), |
2274 |
VMSTATE_STRUCT_ARRAY(guest_slots, PCIQXLDevice, NUM_MEMSLOTS, 0,
|
2275 |
qxl_memslot, struct guest_slots),
|
2276 |
VMSTATE_STRUCT(guest_primary.surface, PCIQXLDevice, 0,
|
2277 |
qxl_surface, QXLSurfaceCreate), |
2278 |
VMSTATE_INT32_EQUAL(ssd.num_surfaces, PCIQXLDevice), |
2279 |
VMSTATE_VARRAY_INT32(guest_surfaces.cmds, PCIQXLDevice, |
2280 |
ssd.num_surfaces, 0,
|
2281 |
vmstate_info_uint64, uint64_t), |
2282 |
VMSTATE_UINT64(guest_cursor, PCIQXLDevice), |
2283 |
VMSTATE_END_OF_LIST() |
2284 |
}, |
2285 |
.subsections = (VMStateSubsection[]) { |
2286 |
{ |
2287 |
.vmsd = &qxl_vmstate_monitors_config, |
2288 |
.needed = qxl_monitors_config_needed, |
2289 |
}, { |
2290 |
/* empty */
|
2291 |
} |
2292 |
} |
2293 |
}; |
2294 |
|
2295 |
static Property qxl_properties[] = {
|
2296 |
DEFINE_PROP_UINT32("ram_size", PCIQXLDevice, vga.vram_size,
|
2297 |
64 * 1024 * 1024), |
2298 |
DEFINE_PROP_UINT32("vram_size", PCIQXLDevice, vram32_size,
|
2299 |
64 * 1024 * 1024), |
2300 |
DEFINE_PROP_UINT32("revision", PCIQXLDevice, revision,
|
2301 |
QXL_DEFAULT_REVISION), |
2302 |
DEFINE_PROP_UINT32("debug", PCIQXLDevice, debug, 0), |
2303 |
DEFINE_PROP_UINT32("guestdebug", PCIQXLDevice, guestdebug, 0), |
2304 |
DEFINE_PROP_UINT32("cmdlog", PCIQXLDevice, cmdlog, 0), |
2305 |
DEFINE_PROP_UINT32("ram_size_mb", PCIQXLDevice, ram_size_mb, -1), |
2306 |
DEFINE_PROP_UINT32("vram_size_mb", PCIQXLDevice, vram32_size_mb, -1), |
2307 |
DEFINE_PROP_UINT32("vram64_size_mb", PCIQXLDevice, vram_size_mb, -1), |
2308 |
DEFINE_PROP_UINT32("vgamem_mb", PCIQXLDevice, vgamem_size_mb, 16), |
2309 |
DEFINE_PROP_INT32("surfaces", PCIQXLDevice, ssd.num_surfaces, 1024), |
2310 |
DEFINE_PROP_END_OF_LIST(), |
2311 |
}; |
2312 |
|
2313 |
static void qxl_primary_class_init(ObjectClass *klass, void *data) |
2314 |
{ |
2315 |
DeviceClass *dc = DEVICE_CLASS(klass); |
2316 |
PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); |
2317 |
|
2318 |
k->no_hotplug = 1;
|
2319 |
k->init = qxl_init_primary; |
2320 |
k->romfile = "vgabios-qxl.bin";
|
2321 |
k->vendor_id = REDHAT_PCI_VENDOR_ID; |
2322 |
k->device_id = QXL_DEVICE_ID_STABLE; |
2323 |
k->class_id = PCI_CLASS_DISPLAY_VGA; |
2324 |
dc->desc = "Spice QXL GPU (primary, vga compatible)";
|
2325 |
dc->reset = qxl_reset_handler; |
2326 |
dc->vmsd = &qxl_vmstate; |
2327 |
dc->props = qxl_properties; |
2328 |
} |
2329 |
|
2330 |
static const TypeInfo qxl_primary_info = { |
2331 |
.name = "qxl-vga",
|
2332 |
.parent = TYPE_PCI_DEVICE, |
2333 |
.instance_size = sizeof(PCIQXLDevice),
|
2334 |
.class_init = qxl_primary_class_init, |
2335 |
}; |
2336 |
|
2337 |
static void qxl_secondary_class_init(ObjectClass *klass, void *data) |
2338 |
{ |
2339 |
DeviceClass *dc = DEVICE_CLASS(klass); |
2340 |
PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); |
2341 |
|
2342 |
k->init = qxl_init_secondary; |
2343 |
k->vendor_id = REDHAT_PCI_VENDOR_ID; |
2344 |
k->device_id = QXL_DEVICE_ID_STABLE; |
2345 |
k->class_id = PCI_CLASS_DISPLAY_OTHER; |
2346 |
dc->desc = "Spice QXL GPU (secondary)";
|
2347 |
dc->reset = qxl_reset_handler; |
2348 |
dc->vmsd = &qxl_vmstate; |
2349 |
dc->props = qxl_properties; |
2350 |
} |
2351 |
|
2352 |
static const TypeInfo qxl_secondary_info = { |
2353 |
.name = "qxl",
|
2354 |
.parent = TYPE_PCI_DEVICE, |
2355 |
.instance_size = sizeof(PCIQXLDevice),
|
2356 |
.class_init = qxl_secondary_class_init, |
2357 |
}; |
2358 |
|
2359 |
static void qxl_register_types(void) |
2360 |
{ |
2361 |
type_register_static(&qxl_primary_info); |
2362 |
type_register_static(&qxl_secondary_info); |
2363 |
} |
2364 |
|
2365 |
type_init(qxl_register_types) |