>
> See qemu_spice_add_display_interface(), the console index is also used
> as channel id. So put that into the qxl->id field too.
>
> In typical use cases (one primary qxl-vga device, optionally one or more
> secondary qxl devices, no non-qxl display devices) this doesn't change
> anything.
>
> With this in place the qxl->id can not be used any more to figure
> whenever a given device is primary (with vga compat mode) or secondary.
> So add a bool to track this.
>
> Cc: spice-devel@xxxxxxxxxxxxxxxxxxxxx
> Signed-off-by: Gerd Hoffmann <kraxel@xxxxxxxxxx>
> Message-id: 20181012114540.27829-1-kraxel@xxxxxxxxxx
> ---
> hw/display/qxl.h | 1 +
> hw/display/qxl.c | 19 ++++++++++++-------
> 2 files changed, 13 insertions(+), 7 deletions(-)
>
> diff --git a/hw/display/qxl.h b/hw/display/qxl.h
> index dd9c0522b7..6f9d1f21fa 100644
> --- a/hw/display/qxl.h
> +++ b/hw/display/qxl.h
> @@ -34,6 +34,7 @@ typedef struct PCIQXLDevice {
> PortioList vga_port_list;
> SimpleSpiceDisplay ssd;
> int id;
> + bool have_vga;
> uint32_t debug;
> uint32_t guestdebug;
> uint32_t cmdlog;
> diff --git a/hw/display/qxl.c b/hw/display/qxl.c
> index f608abc769..9087db5dee 100644
> --- a/hw/display/qxl.c
> +++ b/hw/display/qxl.c
> @@ -848,7 +848,7 @@ static int interface_get_cursor_command(QXLInstance *sin,
> struct QXLCommandExt *
> qxl->guest_primary.commands++;
> qxl_track_command(qxl, ext);
> qxl_log_command(qxl, "csr", ext);
> - if (qxl->id == 0) {
> + if (qxl->have_vga) {
> qxl_render_cursor(qxl, ext);
> }
> trace_qxl_ring_cursor_get(qxl->id, qxl_mode_to_string(qxl->mode));
> @@ -1255,7 +1255,7 @@ static void qxl_soft_reset(PCIQXLDevice *d)
> d->current_async = QXL_UNDEFINED_IO;
> qemu_mutex_unlock(&d->async_lock);
>
> - if (d->id == 0) {
> + if (d->have_vga) {
> qxl_enter_vga_mode(d);
> } else {
> d->mode = QXL_MODE_UNDEFINED;
> @@ -2139,7 +2139,7 @@ static void qxl_realize_common(PCIQXLDevice *qxl, Error
> **errp)
>
> memory_region_init_io(&qxl->io_bar, OBJECT(qxl), &qxl_io_ops, qxl,
> "qxl-ioports", io_size);
> - if (qxl->id == 0) {
> + if (qxl->have_vga) {
> vga_dirty_log_start(&qxl->vga);
> }
> memory_region_set_flush_coalesced(&qxl->io_bar);
> @@ -2171,7 +2171,7 @@ static void qxl_realize_common(PCIQXLDevice *qxl, Error
> **errp)
>
> /* print pci bar details */
> dprint(qxl, 1, "ram/%s: %" PRId64 " MB [region 0]\n",
> - qxl->id == 0 ? "pri" : "sec", qxl->vga.vram_size / MiB);
> + qxl->have_vga ? "pri" : "sec", qxl->vga.vram_size / MiB);
> dprint(qxl, 1, "vram/32: %" PRIx64 " MB [region 1]\n",
> qxl->vram32_size / MiB);
> dprint(qxl, 1, "vram/64: %" PRIx64 " MB %s\n",
> @@ -2199,7 +2199,6 @@ static void qxl_realize_primary(PCIDevice *dev, Error
> **errp)
> VGACommonState *vga = &qxl->vga;
> Error *local_err = NULL;
>
> - qxl->id = 0;
> qxl_init_ramsize(qxl);
> vga->vbe_size = qxl->vgamem_size;
> vga->vram_size_mb = qxl->vga.vram_size / MiB;
> @@ -2210,8 +2209,15 @@ static void qxl_realize_primary(PCIDevice *dev, Error
> **errp)
> vga, "vga");
> portio_list_set_flush_coalesced(&qxl->vga_port_list);
> portio_list_add(&qxl->vga_port_list, pci_address_space_io(dev), 0x3b0);
> + qxl->have_vga = true;
>
> vga->con = graphic_console_init(DEVICE(dev), 0, &qxl_ops, qxl);
> + qxl->id = qemu_console_get_index(vga->con); /* == channel_id */
> + if (qxl->id != 0) {
> + error_setg(errp, "primary qxl-vga device must be console 0 "
> + "(first display device on the command line)");
> + return;
> + }
In the comment this seems no more required so why testing it?
>
> qxl_realize_common(qxl, &local_err);
> if (local_err) {
> @@ -2226,15 +2232,14 @@ static void qxl_realize_primary(PCIDevice *dev, Error
> **errp)
>
> static void qxl_realize_secondary(PCIDevice *dev, Error **errp)
> {
> - static int device_id = 1;
> PCIQXLDevice *qxl = PCI_QXL(dev);
>
> - qxl->id = device_id++;
> qxl_init_ramsize(qxl);
> memory_region_init_ram(&qxl->vga.vram, OBJECT(dev), "qxl.vgavram",
> qxl->vga.vram_size, &error_fatal);
> qxl->vga.vram_ptr = memory_region_get_ram_ptr(&qxl->vga.vram);
> qxl->vga.con = graphic_console_init(DEVICE(dev), 0, &qxl_ops, qxl);
> + qxl->id = qemu_console_get_index(qxl->vga.con); /* == channel_id */
>
As these IDs must be contiguous this means that there must be the requirement
that if there is a qxl interface only qxl interfaces are used and no other
console which seems to me wrong.
> qxl_realize_common(qxl, errp);
> }
Frediano
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