From: Szymon Lukasz <[email protected]> Add a new chardev event, CHR_EVENT_RESIZE, which a backend should trigger if it detects the size of the connected terminal changed.
Signed-off-by: Szymon Lukasz <[email protected]> [Filip: add note that only the focused frontend gets the event] Reviewed-by: Daniel P. Berrangé <[email protected]> Signed-off-by: Filip Hejsek <[email protected]> Acked-by: Michael S. Tsirkin <[email protected]> Reviewed-by: Marc-André Lureau <[email protected]> Message-ID: <[email protected]> --- backends/cryptodev-vhost-user.c | 1 + chardev/char.c | 1 + hw/block/vhost-user-blk.c | 1 + hw/char/terminal3270.c | 1 + hw/char/virtio-console.c | 1 + hw/display/vhost-user-media.c | 1 + hw/ipmi/ipmi_bmc_extern.c | 1 + hw/scsi/vhost-user-scsi.c | 1 + hw/usb/ccid-card-passthru.c | 1 + hw/usb/dev-serial.c | 1 + hw/usb/redirect.c | 1 + hw/virtio/vhost-user-base.c | 1 + hw/virtio/vhost-user-scmi.c | 1 + include/chardev/char.h | 6 ++++++ monitor/hmp.c | 1 + monitor/qmp.c | 1 + net/passt.c | 1 + net/vhost-user.c | 1 + 18 files changed, 23 insertions(+) diff --git a/backends/cryptodev-vhost-user.c b/backends/cryptodev-vhost-user.c index 3334e280a270..b0e325e47e0b 100644 --- a/backends/cryptodev-vhost-user.c +++ b/backends/cryptodev-vhost-user.c @@ -173,6 +173,7 @@ static void cryptodev_vhost_user_event(void *opaque, QEMUChrEvent event) case CHR_EVENT_BREAK: case CHR_EVENT_MUX_IN: case CHR_EVENT_MUX_OUT: + case CHR_EVENT_RESIZE: /* Ignore */ break; } diff --git a/chardev/char.c b/chardev/char.c index 9da0911e503c..40d2180ce74b 100644 --- a/chardev/char.c +++ b/chardev/char.c @@ -75,6 +75,7 @@ void qemu_chr_be_event(Chardev *s, QEMUChrEvent event) case CHR_EVENT_BREAK: case CHR_EVENT_MUX_IN: case CHR_EVENT_MUX_OUT: + case CHR_EVENT_RESIZE: /* Ignore */ break; } diff --git a/hw/block/vhost-user-blk.c b/hw/block/vhost-user-blk.c index 3dade143c95c..1352a0cf5785 100644 --- a/hw/block/vhost-user-blk.c +++ b/hw/block/vhost-user-blk.c @@ -441,6 +441,7 @@ static void vhost_user_blk_event(void *opaque, QEMUChrEvent event) case CHR_EVENT_BREAK: case CHR_EVENT_MUX_IN: case CHR_EVENT_MUX_OUT: + case CHR_EVENT_RESIZE: /* Ignore */ break; } diff --git a/hw/char/terminal3270.c b/hw/char/terminal3270.c index 989b6f6ee1e0..acd754bcfac3 100644 --- a/hw/char/terminal3270.c +++ b/hw/char/terminal3270.c @@ -169,6 +169,7 @@ static void chr_event(void *opaque, QEMUChrEvent event) case CHR_EVENT_BREAK: case CHR_EVENT_MUX_IN: case CHR_EVENT_MUX_OUT: + case CHR_EVENT_RESIZE: /* Ignore */ break; } diff --git a/hw/char/virtio-console.c b/hw/char/virtio-console.c index 4737b9a56eba..36ad2ddc3f62 100644 --- a/hw/char/virtio-console.c +++ b/hw/char/virtio-console.c @@ -165,6 +165,7 @@ static void chr_event(void *opaque, QEMUChrEvent event) case CHR_EVENT_BREAK: case CHR_EVENT_MUX_IN: case CHR_EVENT_MUX_OUT: + case CHR_EVENT_RESIZE: /* Ignore */ break; } diff --git a/hw/display/vhost-user-media.c b/hw/display/vhost-user-media.c index 851af8ddc2d4..3d76aaba5809 100644 --- a/hw/display/vhost-user-media.c +++ b/hw/display/vhost-user-media.c @@ -241,6 +241,7 @@ static void vu_media_event(void *opaque, QEMUChrEvent event) case CHR_EVENT_BREAK: case CHR_EVENT_MUX_IN: case CHR_EVENT_MUX_OUT: + case CHR_EVENT_RESIZE: /* Ignore */ break; } diff --git a/hw/ipmi/ipmi_bmc_extern.c b/hw/ipmi/ipmi_bmc_extern.c index fa08ed6c2174..bd7c61b2d2f5 100644 --- a/hw/ipmi/ipmi_bmc_extern.c +++ b/hw/ipmi/ipmi_bmc_extern.c @@ -436,6 +436,7 @@ static void chr_event(void *opaque, QEMUChrEvent event) case CHR_EVENT_BREAK: case CHR_EVENT_MUX_IN: case CHR_EVENT_MUX_OUT: + case CHR_EVENT_RESIZE: /* Ignore */ break; } diff --git a/hw/scsi/vhost-user-scsi.c b/hw/scsi/vhost-user-scsi.c index 5070178dc28b..7687f2804f88 100644 --- a/hw/scsi/vhost-user-scsi.c +++ b/hw/scsi/vhost-user-scsi.c @@ -225,6 +225,7 @@ static void vhost_user_scsi_event(void *opaque, QEMUChrEvent event) case CHR_EVENT_BREAK: case CHR_EVENT_MUX_IN: case CHR_EVENT_MUX_OUT: + case CHR_EVENT_RESIZE: /* Ignore */ break; } diff --git a/hw/usb/ccid-card-passthru.c b/hw/usb/ccid-card-passthru.c index 5ab7855272af..3f4052ec82ee 100644 --- a/hw/usb/ccid-card-passthru.c +++ b/hw/usb/ccid-card-passthru.c @@ -323,6 +323,7 @@ static void ccid_card_vscard_event(void *opaque, QEMUChrEvent event) case CHR_EVENT_MUX_IN: case CHR_EVENT_MUX_OUT: case CHR_EVENT_CLOSED: + case CHR_EVENT_RESIZE: /* Ignore */ break; } diff --git a/hw/usb/dev-serial.c b/hw/usb/dev-serial.c index b238cb793756..98d2abbd5639 100644 --- a/hw/usb/dev-serial.c +++ b/hw/usb/dev-serial.c @@ -576,6 +576,7 @@ static void usb_serial_event(void *opaque, QEMUChrEvent event) break; case CHR_EVENT_MUX_IN: case CHR_EVENT_MUX_OUT: + case CHR_EVENT_RESIZE: /* Ignore */ break; } diff --git a/hw/usb/redirect.c b/hw/usb/redirect.c index dfd9e8bb50c3..a666b1e8d7d0 100644 --- a/hw/usb/redirect.c +++ b/hw/usb/redirect.c @@ -1390,6 +1390,7 @@ static void usbredir_chardev_event(void *opaque, QEMUChrEvent event) case CHR_EVENT_BREAK: case CHR_EVENT_MUX_IN: case CHR_EVENT_MUX_OUT: + case CHR_EVENT_RESIZE: /* Ignore */ break; } diff --git a/hw/virtio/vhost-user-base.c b/hw/virtio/vhost-user-base.c index 1a377016e7fc..3cb59fc1739f 100644 --- a/hw/virtio/vhost-user-base.c +++ b/hw/virtio/vhost-user-base.c @@ -277,6 +277,7 @@ static void vub_event(void *opaque, QEMUChrEvent event) case CHR_EVENT_BREAK: case CHR_EVENT_MUX_IN: case CHR_EVENT_MUX_OUT: + case CHR_EVENT_RESIZE: /* Ignore */ break; } diff --git a/hw/virtio/vhost-user-scmi.c b/hw/virtio/vhost-user-scmi.c index c4692bd6aa62..29d37716b3c7 100644 --- a/hw/virtio/vhost-user-scmi.c +++ b/hw/virtio/vhost-user-scmi.c @@ -215,6 +215,7 @@ static void vu_scmi_event(void *opaque, QEMUChrEvent event) case CHR_EVENT_BREAK: case CHR_EVENT_MUX_IN: case CHR_EVENT_MUX_OUT: + case CHR_EVENT_RESIZE: /* Ignore */ break; } diff --git a/include/chardev/char.h b/include/chardev/char.h index 6394ec2ffeeb..ee9f24038bd0 100644 --- a/include/chardev/char.h +++ b/include/chardev/char.h @@ -22,6 +22,12 @@ typedef enum { CHR_EVENT_OPENED, /* new connection established */ CHR_EVENT_MUX_IN, /* mux-focus was set to this terminal */ CHR_EVENT_MUX_OUT, /* mux-focus will move on */ + CHR_EVENT_RESIZE, /* + * the size of the terminal connected to + * the chardev has changed. NOTE: this event is only + * sent to the focused frontend, so you should also + * update the size on receiving CHR_EVENT_MUX_IN. + */ CHR_EVENT_CLOSED /* connection closed. NOTE: currently this event * is only bound to the read port of the chardev. * Normally the read port and write port of a diff --git a/monitor/hmp.c b/monitor/hmp.c index 488ec23937df..7b80d8480055 100644 --- a/monitor/hmp.c +++ b/monitor/hmp.c @@ -1587,6 +1587,7 @@ static void monitor_event(void *opaque, QEMUChrEvent event) break; case CHR_EVENT_BREAK: + case CHR_EVENT_RESIZE: /* Ignored */ break; } diff --git a/monitor/qmp.c b/monitor/qmp.c index aec03157750c..eb44012643f6 100644 --- a/monitor/qmp.c +++ b/monitor/qmp.c @@ -663,6 +663,7 @@ static void monitor_qmp_event(void *opaque, QEMUChrEvent event) case CHR_EVENT_BREAK: case CHR_EVENT_MUX_IN: case CHR_EVENT_MUX_OUT: + case CHR_EVENT_RESIZE: /* Ignore */ break; } diff --git a/net/passt.c b/net/passt.c index 45440c399bac..e65198960ec9 100644 --- a/net/passt.c +++ b/net/passt.c @@ -428,6 +428,7 @@ static void passt_vhost_user_event(void *opaque, QEMUChrEvent event) case CHR_EVENT_BREAK: case CHR_EVENT_MUX_IN: case CHR_EVENT_MUX_OUT: + case CHR_EVENT_RESIZE: /* Ignore */ break; } diff --git a/net/vhost-user.c b/net/vhost-user.c index 2d0fc49b4d83..b849de92da64 100644 --- a/net/vhost-user.c +++ b/net/vhost-user.c @@ -363,6 +363,7 @@ static void net_vhost_user_event(void *opaque, QEMUChrEvent event) case CHR_EVENT_BREAK: case CHR_EVENT_MUX_IN: case CHR_EVENT_MUX_OUT: + case CHR_EVENT_RESIZE: /* Ignore */ break; } -- 2.56.0.116.g6de20f6092dc
