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misc spice/qxl fixes.

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Merge remote-tracking branch 'remotes/spice/tags/pull-spice-20150304-1' into staging

misc spice/qxl fixes.

# gpg: Signature made Wed Mar  4 13:57:42 2015 GMT using RSA key ID D3E87138
# gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>"
# gpg:                 aka "Gerd Hoffmann <gerd@kraxel.org>"
# gpg:                 aka "Gerd Hoffmann (private) <kraxel@gmail.com>"

* remotes/spice/tags/pull-spice-20150304-1:
  hmp: info spice: take out webdav
  hmp: info spice: Show string channel name
  qxl: drop update_displaychangelistener call for secondary qxl devices
  vga: refactor vram_size clamping and rounding
  qxl: refactor rounding up to a nearest power of 2
  spice: fix invalid memory access to vga.vram
  qxl: document minimal video memory for new modes

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell 2015-03-08 09:47:55 +00:00
commit 033c7ddf86
5 changed files with 80 additions and 26 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

32
hmp.c
View File

@ -29,6 +29,10 @@
#include "block/qapi.h"
#include "qemu-io.h"
#ifdef CONFIG_SPICE
#include <spice/enums.h>
#endif
static void hmp_handle_error(Monitor *mon, Error **errp)
{
assert(errp);
@ -545,6 +549,25 @@ void hmp_info_spice(Monitor *mon, const QDict *qdict)
{
SpiceChannelList *chan;
SpiceInfo *info;
const char *channel_name;
const char * const channel_names[] = {
[SPICE_CHANNEL_MAIN] = "main",
[SPICE_CHANNEL_DISPLAY] = "display",
[SPICE_CHANNEL_INPUTS] = "inputs",
[SPICE_CHANNEL_CURSOR] = "cursor",
[SPICE_CHANNEL_PLAYBACK] = "playback",
[SPICE_CHANNEL_RECORD] = "record",
[SPICE_CHANNEL_TUNNEL] = "tunnel",
[SPICE_CHANNEL_SMARTCARD] = "smartcard",
[SPICE_CHANNEL_USBREDIR] = "usbredir",
[SPICE_CHANNEL_PORT] = "port",
#if 0
/* minimum spice-protocol is 0.12.3, webdav was added in 0.12.7,
* no easy way to #ifdef (SPICE_CHANNEL_* is a enum). Disable
* as quick fix for build failures with older versions. */
[SPICE_CHANNEL_WEBDAV] = "webdav",
#endif
};
info = qmp_query_spice(NULL);
@ -581,6 +604,15 @@ void hmp_info_spice(Monitor *mon, const QDict *qdict)
chan->value->connection_id);
monitor_printf(mon, " channel: %" PRId64 ":%" PRId64 "\n",
chan->value->channel_type, chan->value->channel_id);
channel_name = "unknown";
if (chan->value->channel_type > 0 &&
chan->value->channel_type < ARRAY_SIZE(channel_names) &&
channel_names[chan->value->channel_type]) {
channel_name = channel_names[chan->value->channel_type];
}
monitor_printf(mon, " channel name: %s\n", channel_name);
}
}

35
hw/display/qxl.c
View File

@ -120,9 +120,12 @@ static QXLMode qxl_modes[] = {
QXL_MODE_EX(2560, 2048),
QXL_MODE_EX(2800, 2100),
QXL_MODE_EX(3200, 2400),
/* these modes need more than 32 MB video memory */
QXL_MODE_EX(3840, 2160), /* 4k mainstream */
QXL_MODE_EX(4096, 2160), /* 4k */
/* these modes need more than 64 MB video memory */
QXL_MODE_EX(7680, 4320), /* 8k mainstream */
/* these modes need more than 128 MB video memory */
QXL_MODE_EX(8192, 4320), /* 8k */
};
@ -297,19 +300,6 @@ void qxl_spice_reset_cursor(PCIQXLDevice *qxl)
qxl->ssd.cursor = cursor_builtin_hidden();
}
static inline uint32_t msb_mask(uint32_t val)
{
uint32_t mask;
do {
mask = ~(val - 1) & val;
val &= ~mask;
} while (mask < val);
return mask;
}
static ram_addr_t qxl_rom_size(void)
{
uint32_t required_rom_size = sizeof(QXLRom) + sizeof(QXLModes) +
@ -367,6 +357,8 @@ static void init_qxl_rom(PCIQXLDevice *d)
num_pages -= surface0_area_size;
num_pages = num_pages / QXL_PAGE_SIZE;
assert(ram_header_size + surface0_area_size <= d->vga.vram_size);
rom->draw_area_offset = cpu_to_le32(0);
rom->surface0_area_size = cpu_to_le32(surface0_area_size);
rom->pages_offset = cpu_to_le32(surface0_area_size);
@ -1155,7 +1147,6 @@ static void qxl_soft_reset(PCIQXLDevice *d)
qxl_enter_vga_mode(d);
} else {
d->mode = QXL_MODE_UNDEFINED;
update_displaychangelistener(&d->ssd.dcl, GUI_REFRESH_INTERVAL_IDLE);
}
}
@ -1880,6 +1871,12 @@ static void qxl_init_ramsize(PCIQXLDevice *qxl)
if (qxl->vgamem_size_mb < 8) {
qxl->vgamem_size_mb = 8;
}
/* XXX: we round vgamem_size_mb up to a nearest power of two and it must be
* less than vga_common_init()'s maximum on qxl->vga.vram_size (512 now).
*/
if (qxl->vgamem_size_mb > 256) {
qxl->vgamem_size_mb = 256;
}
qxl->vgamem_size = qxl->vgamem_size_mb * 1024 * 1024;
/* vga ram (bar 0, total) */
@ -1910,10 +1907,10 @@ static void qxl_init_ramsize(PCIQXLDevice *qxl)
qxl->vram32_size = 4096;
qxl->vram_size = 4096;
}
qxl->vgamem_size = msb_mask(qxl->vgamem_size * 2 - 1);
qxl->vga.vram_size = msb_mask(qxl->vga.vram_size * 2 - 1);
qxl->vram32_size = msb_mask(qxl->vram32_size * 2 - 1);
qxl->vram_size = msb_mask(qxl->vram_size * 2 - 1);
qxl->vgamem_size = pow2ceil(qxl->vgamem_size);
qxl->vga.vram_size = pow2ceil(qxl->vga.vram_size);
qxl->vram32_size = pow2ceil(qxl->vram32_size);
qxl->vram_size = pow2ceil(qxl->vram_size);
}
static int qxl_init_common(PCIQXLDevice *qxl)
@ -1945,7 +1942,7 @@ static int qxl_init_common(PCIQXLDevice *qxl)
break;
case 4: /* qxl-4 */
pci_device_rev = QXL_REVISION_STABLE_V12;
io_size = msb_mask(QXL_IO_RANGE_SIZE * 2 - 1);
io_size = pow2ceil(QXL_IO_RANGE_SIZE);
break;
default:
error_report("Invalid revision %d for qxl device (max %d)",

22
hw/display/vga.c
View File

@ -2094,6 +2094,17 @@ static const GraphicHwOps vga_ops = {
.text_update = vga_update_text,
};
static inline uint32_t uint_clamp(uint32_t val, uint32_t vmin, uint32_t vmax)
{
if (val < vmin) {
return vmin;
}
if (val > vmax) {
return vmax;
}
return val;
}
void vga_common_init(VGACommonState *s, Object *obj, bool global_vmstate)
{
int i, j, v, b;
@ -2121,13 +2132,10 @@ void vga_common_init(VGACommonState *s, Object *obj, bool global_vmstate)
expand4to8[i] = v;
}
/* valid range: 1 MB -> 256 MB */
s->vram_size = 1024 * 1024;
while (s->vram_size < (s->vram_size_mb << 20) &&
s->vram_size < (256 << 20)) {
s->vram_size <<= 1;
}
s->vram_size_mb = s->vram_size >> 20;
s->vram_size_mb = uint_clamp(s->vram_size_mb, 1, 512);
s->vram_size_mb = pow2ceil(s->vram_size_mb);
s->vram_size = s->vram_size_mb << 20;
if (!s->vbe_size) {
s->vbe_size = s->vram_size;
}

3
include/qemu-common.h
View File

@ -418,6 +418,9 @@ static inline bool is_power_of_2(uint64_t value)
/* round down to the nearest power of 2*/
int64_t pow2floor(int64_t value);
/* round up to the nearest power of 2 (0 if overflow) */
uint64_t pow2ceil(uint64_t value);
#include "qemu/module.h"
/*

14
util/cutils.c
View File

@ -483,6 +483,20 @@ int64_t pow2floor(int64_t value)
return value;
}
/* round up to the nearest power of 2 (0 if overflow) */
uint64_t pow2ceil(uint64_t value)
{
uint8_t nlz = clz64(value);
if (is_power_of_2(value)) {
return value;
}
if (!nlz) {
return 0;
}
return 1ULL << (64 - nlz);
}
/*
* Implementation of ULEB128 (http://en.wikipedia.org/wiki/LEB128)
* Input is limited to 14-bit numbers