structrpmsg_driver {structdevice_driver drv;conststructrpmsg_device_id *id_table;int(*probe)(structrpmsg_device *dev);--当一个channel匹配后,调用probe函数。void(*remove)(structrpmsg_device *dev);int(*callback)(structrpmsg_device *,void*,int,void*, u32); }; 驱动和设备的注册注销函数: int...
staticstructrpmsg_device_idrpmsg_driver_sample_id_table[] ={ { .name ="rpmsg-client-sample"}, { }, }; MODULE_DEVICE_TABLE(rpmsg, rpmsg_driver_sample_id_table); staticstructrpmsg_driverrpmsg_sample_client={ .drv.name = KBUILD_MODNAME, .id_table = rpmsg_driver_sample_id_table, .probe ...
由于两个核心存在的目的是协同的处理，因此在异构多处理系统中往往会形成Master-Remote结构。主核心启动后启动从核心。当两个核心上的系统都启动完成后，他们之间就通过IPC（Inter Processor Communication）方式进行通信，而 RPMsg就是IPC中的一种。在AMP系统中，两个核心通过共享内存的方式进行通信。两个核心通过AMP中断...
将rpmsg驱动程序注册到rpmsg总线。用户应提供一个指向rpmsg_driver结构的指针,其中包含驱动程序的->probe()和->remove()函数、一个rx回调函数和一个id_table,指定该驱动程序感兴趣的通道的名称。 void unregister_rpmsg_driver(struct rpmsg_driver *rpdrv); 从rpmsg总线注销rpmsg驱动程序。用户应提供一个先前注册的r...
resource-id = <IMX_SC_R_M4_0_PID0>; fsl,entry-address = <0x34fe0000>; status = "okay"; power-domains = <&pd IMX_SC_R_M4_0_PID0>, <&pd IMX_SC_R_M4_0_MU_1A>; }; rpmsg: rpmsg@0 { compatible = "fsl,imx8qxp-rpmsg"; mbox-names = "tx",...
-static struct _i2c_bus qx_i2c_buses[] = {{.bus_id = 1,+static struct _i2c_bus qx_i2c_buses[] = {/*{.bus_id = 1, .base_addr = ADMA__LPI2C1_BASE, .type = SRTM_I2C_TYPE_LPI2C, .switch_idx = I2C_SWITCH_NONE,- .switch_channel = SRTM_I2C_SWITCH_CHANNEL_UNSPECIFIED}, ...
#define RPMSG_LITE_NS_ANNOUNCE_STRING "rpmsg-raw" #define LOCAL_EPT_ADDR (30U) int bss_rpmsg_init(void){ logDebug("bss_rpmsg_init()"); copyResourceTable(); __disable_irq(); my_rpmsg = rpmsg_lite_remote_init((void *)RPMSG_LITE_SHMEM_BASE, RPMSG_LITE_LINK_ID, RL_NO_F...
Rpmsg Device:该层一开始是只有Virtio框架所构成的,后面添加了Glink与SMD架构(主要为高通所用),故主要介绍Virtio框架,通过上图可知其主要由virtio_rpmsg_bus.c 文件所维护: 该文件比较特殊,其是Virtio BUS与Rpmsg Bus的连接层,该文件中定义了virtio driver; ...
struct rpmsg_device *rpdev = to_rpmsg_device(dev);return sprintf(buf, RPMSG_DEVICE_MODALIAS_FMT "\n", rpdev->id.name); }static struct device_attribute rpmsg_dev_attrs[] = { __ATTR_RO(name), __ATTR_RO(modalias), __ATTR_RO(dst), ...
struct rpmsg_device_id id; u32 src; u32 dst; struct rpmsg_endpoint *ept; bool announce; };typedef void (*rpmsg_rx_cb_t)(struct rpmsg_channel *, void *, int, void *, u32);/** * struct rpmsg_endpoint - binds a local rpmsg address to its user * @rpdev: rpmsg channel device ...