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Posted to commits@nuttx.apache.org by "CV-Bowen (via GitHub)" <gi...@apache.org> on 2026/01/15 06:32:04 UTC
[PR] Rpmsg signals: rpmsg router support get the rpmsg signals [nuttx]
CV-Bowen opened a new pull request, #17925:
URL: https://github.com/apache/nuttx/pull/17925
*Note: Please adhere to [Contributing Guidelines](https://github.com/apache/nuttx/blob/master/CONTRIBUTING.md).*
## Summary
This PR enhances the RPMSG subsystem by unifying signal handling across all transport types and adding signal routing support for the RPMSG router transport.
## Changes
### 1. Unify RPMSG Signals Architecture (c1a7b0c)
- **Unified signal storage**: Moved signal handling from individual transport private structures to the common `struct rpmsg_s`
- **Simplified implementation**: Removed redundant signal fields from transport-specific structures
- **Improved consistency**: All RPMSG transports now use the same signal mechanism
### 2. Add Signals Router for RPMSG Router (4050398)
- **Router signal support**: RPMSG router transport now supports signal propagation
- **Signal routing**: Signals from physical transports (port, virtio) are properly routed through the router
- **Enhanced functionality**: Router can now handle and forward signal states between different transport endpoints
## Impact
Rpmsg Port and Rpmsg Router
## Testing
qemuv8a:rpserver and rpproxy
```c
❯ qemu-system-aarch64 -cpu cortex-a53 -nographic \
-machine virt,virtualization=on,gic-version=3 \
-chardev stdio,id=con,mux=on -serial chardev:con \
-object memory-backend-file,discard-data=on,id=shmmem-shmem0,mem-path=/dev/shm/my_shmem0,size=4194304,share=yes \
-device ivshmem-plain,id=shmem0,memdev=shmmem-shmem0,addr=0xb \
-device virtio-serial-device,bus=virtio-mmio-bus.0 \
-chardev socket,path=/tmp/rpmsg_port_uart_socket,server=on,wait=off,id=foo \
-device virtconsole,chardev=foo \
-mon chardev=con,mode=readline -kernel ./nuttx/cmake_out/v8a_server/nuttx \
-gdb tcp::7775
[ 0.000000] [ 0] [ INFO] [server] pci_register_rptun_ivshmem_driver: Register ivshmem driver, id=0, cpuname=proxy, master=1
[ 0.000000] [ 3] [ INFO] [server] pci_scan_bus: pci_scan_bus for bus 0
[ 0.000000] [ 3] [ INFO] [server] pci_scan_bus: class = 00000600, hdr_type = 00000000
[ 0.000000] [ 3] [ INFO] [server] pci_scan_bus: 00:00 [1b36:0008]
[ 0.000000] [ 3] [ INFO] [server] pci_setup_device: pbar0 set bad mask
[ 0.000000] [ 3] [ INFO] [server] pci_setup_device: pbar1 set bad mask
[ 0.000000] [ 3] [ INFO] [server] pci_setup_device: pbar2 set bad mask
[ 0.000000] [ 3] [ INFO] [server] pci_setup_device: pbar3 set bad mask
[ 0.000000] [ 3] [ INFO] [server] pci_setup_device: pbar4 set bad mask
[ 0.000000] [ 3] [ INFO] [server] pci_setup_device: pbar5 set bad mask
[ 0.000000] [ 3] [ INFO] [server] pci_scan_bus: class = 00000200, hdr_type = 00000000
[ 0.000000] [ 3] [ INFO] [server] pci_scan_bus: 00:08 [1af4:1000]
[ 0.000000] [ 3] [ INFO] [server] pci_setup_device: pbar0: mask64=fffffffe 32bytes
[ 0.000000] [ 3] [ INFO] [server] pci_setup_device: pbar1: mask64=fffffff0 4096bytes
[ 0.000000] [ 3] [ INFO] [server] pci_setup_device: pbar2 set bad mask
[ 0.000000] [ 3] [ INFO] [server] pci_setup_device: pbar3 set bad mask
[ 0.000000] [ 3] [ INFO] [server] pci_setup_device: pbar4: mask64=fffffffffffffff0 16384bytes
[ 0.000000] [ 3] [ INFO] [server] pci_scan_bus: class = 00000500, hdr_type = 00000000
[ 0.000000] [ 3] [ INFO] [server] pci_scan_bus: 00:58 [1af4:1110]
[ 0.000000] [ 3] [ INFO] [server] pci_setup_device: pbar0: mask64=fffffff0 256bytes
[ 0.000000] [ 3] [ INFO] [server] pci_setup_device: pbar1 set bad mask
[ 0.000000] [ 3] [ INFO] [server] pci_setup_device: pbar2: mask64=fffffffffffffff0 4194304bytes
[ 0.000000] [ 3] [ INFO] [server] pci_setup_device: pbar4 set bad mask
[ 0.000000] [ 3] [ INFO] [server] pci_setup_device: pbar5 set bad mask
[ 0.000000] [ 3] [ INFO] [server] ivshmem_probe: shmem addr=0x10400000 size=4194304 reg=0x10008000
[ 0.000000] [ 3] [ INFO] [server] rptun_ivshmem_probe: shmem addr=0x10400000 size=4194304
NuttShell (NSH) NuttX-12.10.0
server>
server>
server> [ 0.000000] [ 0] [ INFO] [proxy] pci_register_rptun_ivshmem_driver: Register ivshmem driver, id=0, cpuname=server, master=0
[ 0.000000] [ 3] [ INFO] [proxy] pci_scan_bus: pci_scan_bus for bus 0
[ 0.000000] [ 3] [ INFO] [proxy] pci_scan_bus: class = 00000600, hdr_type = 00000000
[ 0.000000] [ 3] [ INFO] [proxy] pci_scan_bus: 00:00 [1b36:0008]
[ 0.000000] [ 3] [ INFO] [proxy] pci_setup_device: pbar0 set bad mask
[ 0.000000] [ 3] [ INFO] [proxy] pci_setup_device: pbar1 set bad mask
[ 0.000000] [ 3] [ INFO] [proxy] pci_setup_device: pbar2 set bad mask
[ 0.000000] [ 3] [ INFO] [proxy] pci_setup_device: pbar3 set bad mask
[ 0.000000] [ 3] [ INFO] [proxy] pci_setup_device: pbar4 set bad mask
[ 0.000000] [ 3] [ INFO] [proxy] pci_setup_device: pbar5 set bad mask
[ 0.000000] [ 3] [ INFO] [proxy] pci_scan_bus: class = 00000200, hdr_type = 00000000
[ 0.000000] [ 3] [ INFO] [proxy] pci_scan_bus: 00:08 [1af4:1000]
[ 0.000000] [ 3] [ INFO] [proxy] pci_setup_device: pbar0: mask64=fffffffe 32bytes
[ 0.000000] [ 3] [ INFO] [proxy] pci_setup_device: pbar1: mask64=fffffff0 4096bytes
[ 0.000000] [ 3] [ INFO] [proxy] pci_setup_device: pbar2 set bad mask
[ 0.000000] [ 3] [ INFO] [proxy] pci_setup_device: pbar3 set bad mask
[ 0.000000] [ 3] [ INFO] [proxy] pci_setup_device: pbar4: mask64=fffffffffffffff0 16384bytes
[ 0.000000] [ 3] [ INFO] [proxy] pci_scan_bus: class = 00000500, hdr_type = 00000000
[ 0.000000] [ 3] [ INFO] [proxy] pci_scan_bus: 00:58 [1af4:1110]
[ 0.000000] [ 3] [ INFO] [proxy] pci_setup_device: pbar0: mask64=fffffff0 256bytes
[ 0.000000] [ 3] [ INFO] [proxy] pci_setup_device: pbar1 set bad mask
[ 0.000000] [ 3] [ INFO] [proxy] pci_setup_device: pbar2: mask64=fffffffffffffff0 4194304bytes
[ 0.000000] [ 3] [ INFO] [proxy] pci_setup_device: pbar4 set bad mask
[ 0.000000] [ 3] [ INFO] [proxy] pci_setup_device: pbar5 set bad mask
[ 0.000000] [ 3] [ INFO] [proxy] ivshmem_probe: shmem addr=0x10400000 size=4194304 reg=0x10008000
[ 0.000000] [ 3] [ INFO] [proxy] rptun_ivshmem_probe: shmem addr=0x10400000 size=4194304
[ 0.000000] [ 3] [ INFO] [proxy] rptun_ivshmem_probe: Start the wdog
server>
server>
server>
server> ps
TID PID PPID PRI POLICY TYPE NPX STATE EVENT SIGMASK STACK USED FILLED COMMAND
0 0 0 0 FIFO Kthread - Ready 0000000000000000 0008160 0001792 21.9% Idle_Task
1 0 0 192 FIFO Kthread - Waiting Semaphore 0000000000000000 0008096 0001344 16.6% hpwork 0x40475c60 0x40475ce0
2 0 0 100 FIFO Kthread - Waiting Semaphore 0000000000000000 0008096 0001344 16.6% lpwork 0x40475d10 0x40475d90
4 0 0 224 FIFO Kthread - Waiting Semaphore 0000000000000000 0008096 0002032 25.0% rptun proxy 0x40495bb8
5 0 0 224 FIFO Kthread - Waiting Semaphore 0000000000000000 0008096 0001952 24.1% rpmsg-uart-rx proxy2 0x404a11f0
6 0 0 224 FIFO Kthread - Waiting Semaphore 0000000000000000 0008096 0001968 24.3% rpmsg-uart-tx proxy2 0x404a11f0
7 7 0 100 FIFO Task - Running 0000000000000000 0008128 0004176 51.3% nsh_main
server>
server>
server> rpmsg ping all 1 1 1 1
[ 0.000000] [ 7] [ EMERG] [server] ping times: 1
[ 0.000000] [ 7] [ EMERG] [server] buffer_len: 2024, send_len: 17
[ 0.000000] [ 7] [ EMERG] [server] avg: 0 s, 18974880 ns
[ 0.000000] [ 7] [ EMERG] [server] min: 0 s, 18974880 ns
[ 0.000000] [ 7] [ EMERG] [server] max: 0 s, 18974880 ns
[ 0.000000] [ 7] [ EMERG] [server] rate: 0.007167 Mbits/sec
server>
server>
server> rptun ping all 1 1 1 1
[ 0.000000] [ 7] [ EMERG] [server] ping times: 1
[ 0.000000] [ 7] [ EMERG] [server] buffer_len: 2032, send_len: 17
[ 0.000000] [ 7] [ EMERG] [server] avg: 0 s, 25224240 ns
[ 0.000000] [ 7] [ EMERG] [server] min: 0 s, 25224240 ns
[ 0.000000] [ 7] [ EMERG] [server] max: 0 s, 25224240 ns
[ 0.000000] [ 7] [ EMERG] [server] rate: 0.005391 Mbits/sec
server> uname -a
NuttX server 12.10.0 4050398e2de Jan 15 2026 14:30:04 arm64 qemu-armv8a
server> rpmsg dump all
[ 0.000000] [ 7] [ EMERG] [server] Remote: proxy2 state: 1
[ 0.000000] [ 7] [ EMERG] [server] ept NS
[ 0.000000] [ 7] [ EMERG] [server] ept rpmsg-sensor
[ 0.000000] [ 7] [ EMERG] [server] ept rpmsg-ping
[ 0.000000] [ 7] [ EMERG] [server] rpmsg_port queue RX: {used: 0, avail: 8}
[ 0.000000] [ 7] [ EMERG] [server] rpmsg buffer list:
[ 0.000000] [ 7] [ EMERG] [server] rpmsg_port queue TX: {used: 0, avail: 8}
[ 0.000000] [ 7] [ EMERG] [server] rpmsg buffer list:
server> rptun dump all
[ 0.000000] [ 7] [ EMERG] [server] Remote: proxy headrx 8
[ 0.000000] [ 7] [ EMERG] [server] Dump rpmsg info between cpu (master: yes)server <==> proxy:
[ 0.000000] [ 7] [ EMERG] [server] rpmsg vq RX:
[ 0.000000] [ 7] [ EMERG] [server] rpmsg vq TX:
[ 0.000000] [ 7] [ EMERG] [server] rpmsg ept list:
[ 0.000000] [ 7] [ EMERG] [server] ept NS
[ 0.000000] [ 7] [ EMERG] [server] ept rpmsg-sensor
[ 0.000000] [ 7] [ EMERG] [server] ept rpmsg-ping
[ 0.000000] [ 7] [ EMERG] [server] ept rpmsg-syslog
[ 0.000000] [ 7] [ EMERG] [server] rpmsg buffer list:
[ 0.000000] [ 7] [ EMERG] [server] RX buffer, total 8, pending 0
[ 0.000000] [ 7] [ EMERG] [server] TX buffer, total 8, pending 0
server>
```
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Re: [PR] Rpmsg signals: rpmsg router support get the rpmsg signals [nuttx]
Posted by "acassis (via GitHub)" <gi...@apache.org>.
acassis merged PR #17925:
URL: https://github.com/apache/nuttx/pull/17925
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