nuttx/drivers/rpmsg
liaoao ae6ad9c193 drivers/rpmsg_port_spi_slave: add getrecvbuf callback for zero-copy receive
Add a new getrecvbuf callback to the SPI slave device operations
that allows the slave device to provide a pre-allocated receive
buffer directly to the controller. This enables zero-copy data
transfer by allowing the controller to receive data directly into
the device's buffer instead of copying.

Changes:
- Add SPIS_DEV_GETRECVBUF macro and getrecvbuf callback to
  spi_slave_devops_s structure in include/nuttx/spi/slave.h
- Implement getrecvbuf in rpmsg_port_spi_slave driver
- Update getdata to return 0 as it's no longer used for this path

Signed-off-by: liaoao <liaoao@xiaomi.com>
2026-01-26 21:17:27 +08:00
..
CMakeLists.txt drivers/rpmsg: remove unnecessary header files, revise make.def and cmake 2026-01-19 23:14:53 +08:00
Kconfig drivers/rpmsg_port_spi/slave: increase rx thread default stack size 2026-01-26 21:17:27 +08:00
Make.defs drivers/rpmsg: remove unnecessary header files, revise make.def and cmake 2026-01-19 23:14:53 +08:00
rpmsg.c drivers/rpmsg: fix struct alignment issue by removing zero array member 2026-01-26 21:12:34 +08:00
rpmsg_ping.c sched/sleep: replace all Signal-based sleep implement to Scheduled sleep 2025-10-17 14:05:02 +08:00
rpmsg_ping.h drivers: migrate to SPDX identifier 2024-11-06 18:02:25 +08:00
rpmsg_port.c drivers/rpmsg: fix struct alignment issue by removing zero array member 2026-01-26 21:12:34 +08:00
rpmsg_port.h drivers/rpmsg: unify cpuname/local_cpuname to struct rpmsg_s 2026-01-24 17:10:18 +08:00
rpmsg_port_spi.c drivers/rpmsg_port_spi: fix SPI exchange length calculation 2026-01-26 21:17:27 +08:00
rpmsg_port_spi_slave.c drivers/rpmsg_port_spi_slave: add getrecvbuf callback for zero-copy receive 2026-01-26 21:17:27 +08:00
rpmsg_port_uart.c drivers/rpmsg: unitfy the rpmsg signals from transport to struct rpmsg_s 2026-01-15 16:13:24 -03:00
rpmsg_router.h drivers/rpmsg: add signals router for rpmsg router 2026-01-15 16:13:24 -03:00
rpmsg_router_edge.c drivers/rpmsg: unify cpuname/local_cpuname to struct rpmsg_s 2026-01-24 17:10:18 +08:00
rpmsg_router_hub.c drivers/rpmsg: use explicit NULL comparisons for pointer checks 2026-01-22 22:08:32 +08:00
rpmsg_test.c drivers/rpmsg: add rpmsg_test to test rpmsg hold/release rx buffer 2026-01-08 22:44:35 +08:00
rpmsg_test.h drivers/rpmsg: add rpmsg_test to test rpmsg hold/release rx buffer 2026-01-08 22:44:35 +08:00
rpmsg_virtio.c drivers/rpmsg: fix struct alignment issue by removing zero array member 2026-01-26 21:12:34 +08:00
rpmsg_virtio_ivshmem.c drivers/rptun and rpmsg_virtio: remove cmd initialize 2026-01-19 14:18:27 +08:00
rpmsg_virtio_lite.c drivers/rpmsg: fix struct alignment issue by removing zero array member 2026-01-26 21:12:34 +08:00