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] Signed-off-by: Filip Hejsek <[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/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 + 17 files changed, 22 insertions(+) diff --git a/backends/cryptodev-vhost-user.c b/backends/cryptodev-vhost-user.c index cc478d9902..36564d4307 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 3e432195a5..0f493d793f 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 4d81d2dc34..a460d6ed33 100644 --- a/hw/block/vhost-user-blk.c +++ b/hw/block/vhost-user-blk.c @@ -412,6 +412,7 @@ 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 1d857bad9b..c212fd1aac 100644 --- a/hw/char/terminal3270.c +++ b/hw/char/terminal3270.c @@ -172,6 +172,7 @@ 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 25db0f019b..dcfe5830f9 100644 --- a/hw/char/virtio-console.c +++ b/hw/char/virtio-console.c @@ -168,6 +168,7 @@ 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/ipmi/ipmi_bmc_extern.c b/hw/ipmi/ipmi_bmc_extern.c index fa08ed6c21..bd7c61b2d2 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 3612897d4b..5601097bc9 100644 --- a/hw/scsi/vhost-user-scsi.c +++ b/hw/scsi/vhost-user-scsi.c @@ -226,6 +226,7 @@ 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 5ab7855272..3f4052ec82 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 b238cb7937..98d2abbd56 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 fda5bbca67..34ab8339e1 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 01ab9ca56b..fd3a9d6265 100644 --- a/hw/virtio/vhost-user-base.c +++ b/hw/virtio/vhost-user-base.c @@ -267,6 +267,7 @@ 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 f9264c4374..180787ec6d 100644 --- a/hw/virtio/vhost-user-scmi.c +++ b/hw/virtio/vhost-user-scmi.c @@ -214,6 +214,7 @@ 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 237238e5a0..2c139f07dc 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 4caafbc714..dea912092d 100644 --- a/monitor/hmp.c +++ b/monitor/hmp.c @@ -1445,6 +1445,7 @@ 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 687019811f..3d5ab8ff4f 100644 --- a/monitor/qmp.c +++ b/monitor/qmp.c @@ -486,6 +486,7 @@ 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 9ed811a514..a3e239f306 100644 --- a/net/passt.c +++ b/net/passt.c @@ -421,6 +421,7 @@ 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 a4bb49bbcf..0b8df2ee30 100644 --- a/net/vhost-user.c +++ b/net/vhost-user.c @@ -367,6 +367,7 @@ 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; } -- 2.52.0
