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qxl: add user-friendly bar size properties 

Add two properties to specify bar sizes in megabytes instead of bytes,
which is alot more user-friendly.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Gerd Hoffmann 2012-02-17 15:03:24 +01:00
parent a974192c80
commit 017438eeb1
2 changed files with 12 additions and 0 deletions
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8
hw/qxl.c
View File

@ -1557,11 +1557,17 @@ static DisplayChangeListener display_listener = {
static void qxl_init_ramsize(PCIQXLDevice *qxl, uint32_t ram_min_mb)
{
/* vga ram (bar 0) */
if (qxl->ram_size_mb != -1) {
qxl->vga.vram_size = qxl->ram_size_mb * 1024 * 1024;
}
if (qxl->vga.vram_size < ram_min_mb * 1024 * 1024) {
qxl->vga.vram_size = ram_min_mb * 1024 * 1024;
}
/* vram (surfaces, bar 1) */
if (qxl->vram_size_mb != -1) {
qxl->vram_size = qxl->vram_size_mb * 1024 * 1024;
}
if (qxl->vram_size < 4096) {
qxl->vram_size = 4096;
}
@ -1860,6 +1866,8 @@ static Property qxl_properties[] = {
DEFINE_PROP_UINT32("debug", PCIQXLDevice, debug, 0),
DEFINE_PROP_UINT32("guestdebug", PCIQXLDevice, guestdebug, 0),
DEFINE_PROP_UINT32("cmdlog", PCIQXLDevice, cmdlog, 0),
DEFINE_PROP_UINT32("ram_size_mb", PCIQXLDevice, ram_size_mb, -1),
DEFINE_PROP_UINT32("vram_size_mb", PCIQXLDevice, vram_size_mb, -1),
DEFINE_PROP_END_OF_LIST(),
};

4
hw/qxl.h
View File

@ -89,6 +89,10 @@ typedef struct PCIQXLDevice {
/* io bar */
MemoryRegion io_bar;
/* user-friendly properties (in megabytes) */
uint32_t ram_size_mb;
uint32_t vram_size_mb;
} PCIQXLDevice;
#define PANIC_ON(x) if ((x)) { \