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From: Anthony Liguori <anthony@codemonkey.ws>
To: Alon Levy <alevy@redhat.com>
Cc: armbru@redhat.com, kraxel@redhat.com, qemu-devel@nongnu.org,
	lcapitulino@redhat.com
Subject: Re: [Qemu-devel] [PATCH 4/4] add qmp screendump-async
Date: Fri, 24 Feb 2012 16:40:15 -0600	[thread overview]
Message-ID: <4F4811CF.7050909@codemonkey.ws> (raw)
In-Reply-To: <1330118525-14522-4-git-send-email-alevy@redhat.com>

On 02/24/2012 03:22 PM, Alon Levy wrote:
> This is an across the board change since I wanted to keep the existing
> (good imo) single graphic_console_init callback setter, instead of
> introducing a new cb that isn't set by it but instead by a second
> initialization function.
>
> Signed-off-by: Alon Levy<alevy@redhat.com>

What's the rationale for this?

I really don't want a plethora of pseudo-async commands.

Regards,

Anthony Liguori

> ---
>   console.c            |   25 +++++++++++++++++++++++--
>   console.h            |    5 +++++
>   hw/blizzard.c        |    2 +-
>   hw/cirrus_vga.c      |    4 ++--
>   hw/exynos4210_fimd.c |    3 ++-
>   hw/g364fb.c          |    2 +-
>   hw/jazz_led.c        |    3 ++-
>   hw/milkymist-vgafb.c |    2 +-
>   hw/musicpal.c        |    2 +-
>   hw/omap_dss.c        |    4 +++-
>   hw/omap_lcdc.c       |    2 +-
>   hw/pl110.c           |    2 +-
>   hw/pxa2xx_lcd.c      |    2 +-
>   hw/qxl.c             |    3 ++-
>   hw/sm501.c           |    4 ++--
>   hw/ssd0303.c         |    2 +-
>   hw/ssd0323.c         |    2 +-
>   hw/tc6393xb.c        |    1 +
>   hw/tcx.c             |    4 ++--
>   hw/vga-isa-mm.c      |    3 ++-
>   hw/vga-isa.c         |    3 ++-
>   hw/vga-pci.c         |    3 ++-
>   hw/vga_int.h         |    1 +
>   hw/vmware_vga.c      |    3 ++-
>   hw/xenfb.c           |    2 ++
>   monitor.c            |    5 +++++
>   qapi-schema.json     |   20 ++++++++++++++++++++
>   qmp-commands.hx      |   26 ++++++++++++++++++++++++++
>   28 files changed, 115 insertions(+), 25 deletions(-)
>
> diff --git a/console.c b/console.c
> index 6750538..ced2aa7 100644
> --- a/console.c
> +++ b/console.c
> @@ -124,6 +124,7 @@ struct TextConsole {
>       vga_hw_update_ptr hw_update;
>       vga_hw_invalidate_ptr hw_invalidate;
>       vga_hw_screen_dump_ptr hw_screen_dump;
> +    vga_hw_screen_dump_async_ptr hw_screen_dump_async;
>       vga_hw_text_update_ptr hw_text_update;
>       void *hw;
>
> @@ -175,8 +176,9 @@ void vga_hw_invalidate(void)
>           active_console->hw_invalidate(active_console->hw);
>   }
>
> -void vga_hw_screen_dump(const char *filename)
> +static void vga_hw_screen_dump_helper(const char *filename, bool async)
>   {
> +    bool event_sent = false;
>       TextConsole *previous_active_console;
>       bool cswitch;
>
> @@ -188,17 +190,33 @@ void vga_hw_screen_dump(const char *filename)
>       if (cswitch) {
>           console_select(0);
>       }
> -    if (consoles[0]&&  consoles[0]->hw_screen_dump) {
> +    if (async&&  consoles[0]&&  consoles[0]->hw_screen_dump_async) {
> +        consoles[0]->hw_screen_dump_async(consoles[0]->hw, filename, cswitch);
> +        event_sent = true;
> +    } else if (consoles[0]&&  consoles[0]->hw_screen_dump) {
>           consoles[0]->hw_screen_dump(consoles[0]->hw, filename, cswitch);
>       } else {
>           error_report("screen dump not implemented");
>       }
> +    if (async&&  !event_sent) {
> +        monitor_protocol_screen_dump_complete_event(filename);
> +    }
>
>       if (cswitch) {
>           console_select(previous_active_console->index);
>       }
>   }
>
> +void vga_hw_screen_dump(const char *filename)
> +{
> +    vga_hw_screen_dump_helper(filename, false);
> +}
> +
> +void vga_hw_screen_dump_async(const char *filename)
> +{
> +    vga_hw_screen_dump_helper(filename, true);
> +}
> +
>   void vga_hw_text_update(console_ch_t *chardata)
>   {
>       if (active_console&&  active_console->hw_text_update)
> @@ -1403,6 +1421,8 @@ DisplayState *graphic_console_init(vga_hw_update_ptr update,
>                                      vga_hw_invalidate_ptr invalidate,
>                                      vga_hw_screen_dump_ptr screen_dump,
>                                      vga_hw_text_update_ptr text_update,
> +                                   vga_hw_screen_dump_async_ptr
> +                                                    screen_dump_async,
>                                      void *opaque)
>   {
>       TextConsole *s;
> @@ -1421,6 +1441,7 @@ DisplayState *graphic_console_init(vga_hw_update_ptr update,
>       s->hw_update = update;
>       s->hw_invalidate = invalidate;
>       s->hw_screen_dump = screen_dump;
> +    s->hw_screen_dump_async = screen_dump_async;
>       s->hw_text_update = text_update;
>       s->hw = opaque;
>
> diff --git a/console.h b/console.h
> index c22803c..3cf28c0 100644
> --- a/console.h
> +++ b/console.h
> @@ -341,17 +341,22 @@ static inline void console_write_ch(console_ch_t *dest, uint32_t ch)
>   typedef void (*vga_hw_update_ptr)(void *);
>   typedef void (*vga_hw_invalidate_ptr)(void *);
>   typedef void (*vga_hw_screen_dump_ptr)(void *, const char *, bool cswitch);
> +typedef void (*vga_hw_screen_dump_async_ptr)(void *, const char *filename,
> +                                             bool cswitch);
>   typedef void (*vga_hw_text_update_ptr)(void *, console_ch_t *);
>
>   DisplayState *graphic_console_init(vga_hw_update_ptr update,
>                                      vga_hw_invalidate_ptr invalidate,
>                                      vga_hw_screen_dump_ptr screen_dump,
>                                      vga_hw_text_update_ptr text_update,
> +                                   vga_hw_screen_dump_async_ptr
> +                                                    screen_dump_async,
>                                      void *opaque);
>
>   void vga_hw_update(void);
>   void vga_hw_invalidate(void);
>   void vga_hw_screen_dump(const char *filename);
> +void vga_hw_screen_dump_async(const char *filename);
>   void vga_hw_text_update(console_ch_t *chardata);
>   void monitor_protocol_screen_dump_complete_event(const char *filename);
>
> diff --git a/hw/blizzard.c b/hw/blizzard.c
> index c7d844d..cc51045 100644
> --- a/hw/blizzard.c
> +++ b/hw/blizzard.c
> @@ -963,7 +963,7 @@ void *s1d13745_init(qemu_irq gpio_int)
>
>       s->state = graphic_console_init(blizzard_update_display,
>                                    blizzard_invalidate_display,
> -                                 blizzard_screen_dump, NULL, s);
> +                                 blizzard_screen_dump, NULL, NULL, s);
>
>       switch (ds_get_bits_per_pixel(s->state)) {
>       case 0:
> diff --git a/hw/cirrus_vga.c b/hw/cirrus_vga.c
> index 4edcb94..d2a9c27 100644
> --- a/hw/cirrus_vga.c
> +++ b/hw/cirrus_vga.c
> @@ -2900,7 +2900,7 @@ static int vga_initfn(ISADevice *dev)
>                          isa_address_space(dev));
>       s->ds = graphic_console_init(s->update, s->invalidate,
>                                    s->screen_dump, s->text_update,
> -                                 s);
> +                                 s->screen_dump_async, s);
>       rom_add_vga(VGABIOS_CIRRUS_FILENAME);
>       /* XXX ISA-LFB support */
>       /* FIXME not qdev yet */
> @@ -2941,7 +2941,7 @@ static int pci_cirrus_vga_initfn(PCIDevice *dev)
>        cirrus_init_common(s, device_id, 1, pci_address_space(dev));
>        s->vga.ds = graphic_console_init(s->vga.update, s->vga.invalidate,
>                                         s->vga.screen_dump, s->vga.text_update,
> -&s->vga);
> +                                      s->vga.screen_dump_async,&s->vga);
>
>        /* setup PCI */
>
> diff --git a/hw/exynos4210_fimd.c b/hw/exynos4210_fimd.c
> index 3313f00..2053ed0 100644
> --- a/hw/exynos4210_fimd.c
> +++ b/hw/exynos4210_fimd.c
> @@ -1898,7 +1898,8 @@ static int exynos4210_fimd_init(SysBusDevice *dev)
>               "exynos4210.fimd", FIMD_REGS_SIZE);
>       sysbus_init_mmio(dev,&s->iomem);
>       s->console = graphic_console_init(exynos4210_fimd_update,
> -                                  exynos4210_fimd_invalidate, NULL, NULL, s);
> +                                  exynos4210_fimd_invalidate,
> +                                  NULL, NULL, NULL, s);
>
>       return 0;
>   }
> diff --git a/hw/g364fb.c b/hw/g364fb.c
> index 3a0b68f..8ae40d8 100644
> --- a/hw/g364fb.c
> +++ b/hw/g364fb.c
> @@ -517,7 +517,7 @@ static void g364fb_init(DeviceState *dev, G364State *s)
>
>       s->ds = graphic_console_init(g364fb_update_display,
>                                    g364fb_invalidate_display,
> -                                 g364fb_screen_dump, NULL, s);
> +                                 g364fb_screen_dump, NULL, NULL, s);
>
>       memory_region_init_io(&s->mem_ctrl,&g364fb_ctrl_ops, s, "ctrl", 0x180000);
>       memory_region_init_ram_ptr(&s->mem_vram, "vram",
> diff --git a/hw/jazz_led.c b/hw/jazz_led.c
> index 6486523..bb5daf7 100644
> --- a/hw/jazz_led.c
> +++ b/hw/jazz_led.c
> @@ -251,7 +251,8 @@ static int jazz_led_init(SysBusDevice *dev)
>       s->ds = graphic_console_init(jazz_led_update_display,
>                                    jazz_led_invalidate_display,
>                                    NULL,
> -                                 jazz_led_text_update, s);
> +                                 jazz_led_text_update,
> +                                 NULL, s);
>
>       return 0;
>   }
> diff --git a/hw/milkymist-vgafb.c b/hw/milkymist-vgafb.c
> index 69afd72..ae018d1 100644
> --- a/hw/milkymist-vgafb.c
> +++ b/hw/milkymist-vgafb.c
> @@ -276,7 +276,7 @@ static int milkymist_vgafb_init(SysBusDevice *dev)
>
>       s->ds = graphic_console_init(vgafb_update_display,
>                                    vgafb_invalidate_display,
> -                                 NULL, NULL, s);
> +                                 NULL, NULL, NULL, s);
>
>       return 0;
>   }
> diff --git a/hw/musicpal.c b/hw/musicpal.c
> index 187a1ae..2fc391b 100644
> --- a/hw/musicpal.c
> +++ b/hw/musicpal.c
> @@ -611,7 +611,7 @@ static int musicpal_lcd_init(SysBusDevice *dev)
>       sysbus_init_mmio(dev,&s->iomem);
>
>       s->ds = graphic_console_init(lcd_refresh, lcd_invalidate,
> -                                 NULL, NULL, s);
> +                                 NULL, NULL, NULL, s);
>       qemu_console_resize(s->ds, 128*3, 64*3);
>
>       qdev_init_gpio_in(&dev->qdev, musicpal_lcd_gpio_brigthness_in, 3);
> diff --git a/hw/omap_dss.c b/hw/omap_dss.c
> index 86ed6ea..0e8243e 100644
> --- a/hw/omap_dss.c
> +++ b/hw/omap_dss.c
> @@ -1072,7 +1072,9 @@ struct omap_dss_s *omap_dss_init(struct omap_target_agent_s *ta,
>
>   #if 0
>       s->state = graphic_console_init(omap_update_display,
> -                                    omap_invalidate_display, omap_screen_dump, s);
> +                                    omap_invalidate_display,
> +                                    omap_screen_dump,
> +                                    NULL, NULL, s);
>   #endif
>
>       return s;
> diff --git a/hw/omap_lcdc.c b/hw/omap_lcdc.c
> index f172093..d91e88d 100644
> --- a/hw/omap_lcdc.c
> +++ b/hw/omap_lcdc.c
> @@ -452,7 +452,7 @@ struct omap_lcd_panel_s *omap_lcdc_init(MemoryRegion *sysmem,
>
>       s->state = graphic_console_init(omap_update_display,
>                                       omap_invalidate_display,
> -                                    omap_screen_dump, NULL, s);
> +                                    omap_screen_dump, NULL, NULL, s);
>
>       return s;
>   }
> diff --git a/hw/pl110.c b/hw/pl110.c
> index f94608c..32ee89c 100644
> --- a/hw/pl110.c
> +++ b/hw/pl110.c
> @@ -451,7 +451,7 @@ static int pl110_init(SysBusDevice *dev)
>       qdev_init_gpio_in(&s->busdev.qdev, pl110_mux_ctrl_set, 1);
>       s->ds = graphic_console_init(pl110_update_display,
>                                    pl110_invalidate_display,
> -                                 NULL, NULL, s);
> +                                 NULL, NULL, NULL, s);
>       return 0;
>   }
>
> diff --git a/hw/pxa2xx_lcd.c b/hw/pxa2xx_lcd.c
> index fcbdfb3..5345fb4 100644
> --- a/hw/pxa2xx_lcd.c
> +++ b/hw/pxa2xx_lcd.c
> @@ -1004,7 +1004,7 @@ PXA2xxLCDState *pxa2xx_lcdc_init(MemoryRegion *sysmem,
>
>       s->ds = graphic_console_init(pxa2xx_update_display,
>                                    pxa2xx_invalidate_display,
> -                                 NULL, NULL, s);
> +                                 NULL, NULL, NULL, s);
>
>       switch (ds_get_bits_per_pixel(s->ds)) {
>       case 0:
> diff --git a/hw/qxl.c b/hw/qxl.c
> index d83d245..61a7edd 100644
> --- a/hw/qxl.c
> +++ b/hw/qxl.c
> @@ -1727,7 +1727,8 @@ static int qxl_init_primary(PCIDevice *dev)
>       portio_list_add(qxl_vga_port_list, pci_address_space_io(dev), 0x3b0);
>
>       vga->ds = graphic_console_init(qxl_hw_update, qxl_hw_invalidate,
> -                                   qxl_hw_screen_dump, qxl_hw_text_update, qxl);
> +                                   qxl_hw_screen_dump, qxl_hw_text_update,
> +                                   NULL, qxl);
>       qemu_spice_display_init_common(&qxl->ssd, vga->ds);
>
>       qxl0 = qxl;
> diff --git a/hw/sm501.c b/hw/sm501.c
> index 786e076..8b150be 100644
> --- a/hw/sm501.c
> +++ b/hw/sm501.c
> @@ -1442,6 +1442,6 @@ void sm501_init(MemoryRegion *address_space_mem, uint32_t base,
>       }
>
>       /* create qemu graphic console */
> -    s->ds = graphic_console_init(sm501_update_display, NULL,
> -				 NULL, NULL, s);
> +    s->ds = graphic_console_init(sm501_update_display,
> +                                 NULL, NULL, NULL, NULL, s);
>   }
> diff --git a/hw/ssd0303.c b/hw/ssd0303.c
> index 4e1ee6e..05e6686 100644
> --- a/hw/ssd0303.c
> +++ b/hw/ssd0303.c
> @@ -289,7 +289,7 @@ static int ssd0303_init(I2CSlave *i2c)
>
>       s->ds = graphic_console_init(ssd0303_update_display,
>                                    ssd0303_invalidate_display,
> -                                 NULL, NULL, s);
> +                                 NULL, NULL, NULL, s);
>       qemu_console_resize(s->ds, 96 * MAGNIFY, 16 * MAGNIFY);
>       return 0;
>   }
> diff --git a/hw/ssd0323.c b/hw/ssd0323.c
> index b0b2e94..5e3491f 100644
> --- a/hw/ssd0323.c
> +++ b/hw/ssd0323.c
> @@ -330,7 +330,7 @@ static int ssd0323_init(SSISlave *dev)
>       s->row_end = 79;
>       s->ds = graphic_console_init(ssd0323_update_display,
>                                    ssd0323_invalidate_display,
> -                                 NULL, NULL, s);
> +                                 NULL, NULL, NULL, s);
>       qemu_console_resize(s->ds, 128 * MAGNIFY, 64 * MAGNIFY);
>
>       qdev_init_gpio_in(&dev->qdev, ssd0323_cd, 1);
> diff --git a/hw/tc6393xb.c b/hw/tc6393xb.c
> index 420925c..853b180 100644
> --- a/hw/tc6393xb.c
> +++ b/hw/tc6393xb.c
> @@ -581,6 +581,7 @@ TC6393xbState *tc6393xb_init(MemoryRegion *sysmem, uint32_t base, qemu_irq irq)
>               NULL, /* invalidate */
>               NULL, /* screen_dump */
>               NULL, /* text_update */
> +            NULL, /* screen_dump_async */
>               s);
>
>       return s;
> diff --git a/hw/tcx.c b/hw/tcx.c
> index ac7dcb4..9214dec 100644
> --- a/hw/tcx.c
> +++ b/hw/tcx.c
> @@ -558,7 +558,7 @@ static int tcx_init1(SysBusDevice *dev)
>
>           s->ds = graphic_console_init(tcx24_update_display,
>                                        tcx24_invalidate_display,
> -                                     tcx24_screen_dump, NULL, s);
> +                                     tcx24_screen_dump, NULL, NULL, s);
>       } else {
>           /* THC 8 bit (dummy) */
>           memory_region_init_io(&s->thc8,&dummy_ops, s, "tcx.thc8",
> @@ -567,7 +567,7 @@ static int tcx_init1(SysBusDevice *dev)
>
>           s->ds = graphic_console_init(tcx_update_display,
>                                        tcx_invalidate_display,
> -                                     tcx_screen_dump, NULL, s);
> +                                     tcx_screen_dump, NULL, NULL, s);
>       }
>
>       qemu_console_resize(s->ds, s->width, s->height);
> diff --git a/hw/vga-isa-mm.c b/hw/vga-isa-mm.c
> index f8984c6..87b8fc6 100644
> --- a/hw/vga-isa-mm.c
> +++ b/hw/vga-isa-mm.c
> @@ -132,7 +132,8 @@ int isa_vga_mm_init(target_phys_addr_t vram_base,
>       vga_mm_init(s, vram_base, ctrl_base, it_shift, address_space);
>
>       s->vga.ds = graphic_console_init(s->vga.update, s->vga.invalidate,
> -                                     s->vga.screen_dump, s->vga.text_update, s);
> +                                     s->vga.screen_dump, s->vga.text_update,
> +                                     s->vga.screen_dump_async, s);
>
>       vga_init_vbe(&s->vga, address_space);
>       return 0;
> diff --git a/hw/vga-isa.c b/hw/vga-isa.c
> index 4bcc4db..a362ed2 100644
> --- a/hw/vga-isa.c
> +++ b/hw/vga-isa.c
> @@ -61,7 +61,8 @@ static int vga_initfn(ISADevice *dev)
>                                           vga_io_memory, 1);
>       memory_region_set_coalescing(vga_io_memory);
>       s->ds = graphic_console_init(s->update, s->invalidate,
> -                                 s->screen_dump, s->text_update, s);
> +                                 s->screen_dump, s->text_update,
> +                                 s->screen_dump_async, s);
>
>       vga_init_vbe(s, isa_address_space(dev));
>       /* ROM BIOS */
> diff --git a/hw/vga-pci.c b/hw/vga-pci.c
> index 465b643..8c8dd53 100644
> --- a/hw/vga-pci.c
> +++ b/hw/vga-pci.c
> @@ -57,7 +57,8 @@ static int pci_vga_initfn(PCIDevice *dev)
>        vga_init(s, pci_address_space(dev), pci_address_space_io(dev), true);
>
>        s->ds = graphic_console_init(s->update, s->invalidate,
> -                                  s->screen_dump, s->text_update, s);
> +                                  s->screen_dump, s->text_update,
> +                                  s->screen_dump_async, s);
>
>        /* XXX: VGA_RAM_SIZE must be a power of two */
>        pci_register_bar(&d->dev, 0, PCI_BASE_ADDRESS_MEM_PREFETCH,&s->vram);
> diff --git a/hw/vga_int.h b/hw/vga_int.h
> index 7685b2b..4486cfb 100644
> --- a/hw/vga_int.h
> +++ b/hw/vga_int.h
> @@ -161,6 +161,7 @@ typedef struct VGACommonState {
>       vga_hw_invalidate_ptr invalidate;
>       vga_hw_screen_dump_ptr screen_dump;
>       vga_hw_text_update_ptr text_update;
> +    vga_hw_screen_dump_async_ptr screen_dump_async;
>       /* hardware mouse cursor support */
>       uint32_t invalidated_y_table[VGA_MAX_HEIGHT / 32];
>       void (*cursor_invalidate)(struct VGACommonState *s);
> diff --git a/hw/vmware_vga.c b/hw/vmware_vga.c
> index 142d9f4..db96e61 100644
> --- a/hw/vmware_vga.c
> +++ b/hw/vmware_vga.c
> @@ -1087,7 +1087,8 @@ static void vmsvga_init(struct vmsvga_state_s *s, int vga_ram_size,
>       s->vga.ds = graphic_console_init(vmsvga_update_display,
>                                        vmsvga_invalidate_display,
>                                        vmsvga_screen_dump,
> -                                     vmsvga_text_update, s);
> +                                     vmsvga_text_update,
> +                                     NULL, s);
>
>
>       s->fifo_size = SVGA_FIFO_SIZE;
> diff --git a/hw/xenfb.c b/hw/xenfb.c
> index 1bcf171..ad9f0d7 100644
> --- a/hw/xenfb.c
> +++ b/hw/xenfb.c
> @@ -906,6 +906,7 @@ static int fb_initialise(struct XenDevice *xendev)
>                                           xenfb_invalidate,
>                                           NULL,
>                                           NULL,
> +                                        NULL,
>                                           fb);
>           fb->have_console = 1;
>       }
> @@ -1015,6 +1016,7 @@ wait_more:
>                                       xenfb_invalidate,
>                                       NULL,
>                                       NULL,
> +                                    NULL,
>                                       fb);
>       fb->have_console = 1;
>
> diff --git a/monitor.c b/monitor.c
> index 1a65c41..91a76a1 100644
> --- a/monitor.c
> +++ b/monitor.c
> @@ -901,6 +901,11 @@ static int do_screen_dump(Monitor *mon, const QDict *qdict, QObject **ret_data)
>       return 0;
>   }
>
> +void qmp_screendump_async(const char *filename, Error **errp)
> +{
> +    vga_hw_screen_dump_async(filename);
> +}
> +
>   static void do_logfile(Monitor *mon, const QDict *qdict)
>   {
>       cpu_set_log_filename(qdict_get_str(qdict, "filename"));
> diff --git a/qapi-schema.json b/qapi-schema.json
> index 72b17f1..a5873cb 100644
> --- a/qapi-schema.json
> +++ b/qapi-schema.json
> @@ -1595,3 +1595,23 @@
>   { 'command': 'qom-list-types',
>     'data': { '*implements': 'str', '*abstract': 'bool' },
>     'returns': [ 'ObjectTypeInfo' ] }
> +
> +##
> +## @screendump-async:
> +#
> +# This command will perform a screen dump of the first console to the givem
> +# filename. The additional parameters are unused at this time.
> +#
> +# @filename  name of output file to write screen dump to
> +#
> +# Since: 1.1
> +#
> +# Notes: This command is experimental and may change syntax in future releases.
> +#
> +# This command is the same as the qmp/hmp screendump command, except that on
> +# successful completion of the scren dump the SCREEN_DUMP_COMPLETE event is
> +# emitted.
> +#
> +##
> +{ 'command': 'screendump-async',
> +  'data': { 'filename': 'str' } }
> diff --git a/qmp-commands.hx b/qmp-commands.hx
> index 705f704..ea0d051 100644
> --- a/qmp-commands.hx
> +++ b/qmp-commands.hx
> @@ -170,6 +170,32 @@ Example:
>   EQMP
>
>       {
> +        .name       = "screendump-async",
> +        .args_type  = "filename:F",
> +        .params     = "filename",
> +        .help       = "save screen into PPM image 'filename'",
> +        .user_print = monitor_user_noop,
> +        .mhandler.cmd_new = qmp_marshal_input_screendump_async,
> +    },
> +
> +SQMP
> +screendump-async
> +----------------
> +
> +Save screen into PPM image. Fires a SCREEN_DUMP_COMPLETE event on completion.
> +
> +Arguments:
> +
> +- "filename": file path (json-string)
> +
> +Example:
> +
> +->  { "execute": "screendump-async", "arguments": { "filename": "/tmp/image" } }
> +<- { "return": {} }
> +
> +EQMP
> +
> +    {
>           .name       = "stop",
>           .args_type  = "",
>           .mhandler.cmd_new = qmp_marshal_input_stop,

  reply	other threads:[~2012-02-24 22:40 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-02-24 21:22 [Qemu-devel] [PATCH 1/4] qapi-schema: fix typos and explain 'spice' auth Alon Levy
2012-02-24 21:22 ` [Qemu-devel] [PATCH 2/4] qjson.h: include compiler.h for GCC_FMT_ATTR Alon Levy
2012-02-28 19:58   ` Luiz Capitulino
2012-02-28 20:49     ` Alon Levy
2012-02-24 21:22 ` [Qemu-devel] [PATCH 3/4] monitor, console: add QEVENT_SCREEN_DUMP_COMPLETE Alon Levy
2012-02-28 20:01   ` Luiz Capitulino
2012-02-28 20:51     ` Alon Levy
2012-02-29 14:38       ` Luiz Capitulino
2012-02-24 21:22 ` [Qemu-devel] [PATCH 4/4] add qmp screendump-async Alon Levy
2012-02-24 22:40   ` Anthony Liguori [this message]
2012-02-25  8:46     ` Alon Levy
2012-02-28 20:10       ` Luiz Capitulino
2012-02-29  7:49         ` Gerd Hoffmann
2012-02-29 14:52           ` Luiz Capitulino
2012-02-29  8:15         ` Alon Levy
2012-02-29 14:58           ` Luiz Capitulino
2012-02-29 15:37             ` Alon Levy
2012-02-28 20:05   ` Luiz Capitulino
2012-02-29  8:39     ` Alon Levy
2012-02-29 14:59       ` Luiz Capitulino
2012-03-05 13:40     ` Alon Levy
2012-03-05 13:45     ` Alon Levy
2012-02-28  8:05 ` [Qemu-devel] [PATCH 1/4] qapi-schema: fix typos and explain 'spice' auth Alon Levy
2012-02-28 19:57 ` Luiz Capitulino
2012-02-29  8:40   ` Alon Levy

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