36 #if defined(__cplusplus) 41 #include "virtqueue.h" 42 #include "rpmsg_env.h" 44 #include "rpmsg_compiler.h" 54 #define RL_VERSION "2.2.0" 57 #define RL_WORD_SIZE (sizeof(unsigned long)) 58 #define RL_WORD_ALIGN_UP(a) \ 59 (((((unsigned long)a) & (RL_WORD_SIZE - 1)) != 0) ? ((((unsigned long)a) & (~(RL_WORD_SIZE - 1))) + 4) : \ 61 #define RL_WORD_ALIGN_DOWN(a) \ 62 (((((unsigned long)a) & (RL_WORD_SIZE - 1)) != 0) ? (((unsigned long)a) & (~(RL_WORD_SIZE - 1))) : \ 66 #define RL_SUCCESS (0) 67 #define RL_NULL ((void *)0) 72 #define RL_ADDR_ANY (0xFFFFFFFF) 73 #define RL_RELEASE (0) 75 #define RL_DONT_BLOCK (0) 76 #define RL_BLOCK (0xFFFFFFFF) 79 #define RL_ERRORS_BASE (-5000) 80 #define RL_ERR_NO_MEM (RL_ERRORS_BASE - 1) 81 #define RL_ERR_BUFF_SIZE (RL_ERRORS_BASE - 2) 82 #define RL_ERR_PARAM (RL_ERRORS_BASE - 3) 83 #define RL_ERR_DEV_ID (RL_ERRORS_BASE - 4) 84 #define RL_ERR_MAX_VQ (RL_ERRORS_BASE - 5) 85 #define RL_ERR_NO_BUFF (RL_ERRORS_BASE - 6) 86 #define RL_NOT_READY (RL_ERRORS_BASE - 7) 87 #define RL_ALREADY_DONE (RL_ERRORS_BASE - 8) 90 #define RL_NO_FLAGS (0) 95 typedef int (*
rl_ept_rx_cb_t)(
void *payload,
int payload_len,
unsigned long src,
void *priv);
135 #if defined(RL_USE_ENVIRONMENT_CONTEXT) && (RL_USE_ENVIRONMENT_CONTEXT == 1) 139 #if defined(RL_USE_STATIC_API) && (RL_USE_STATIC_API == 1) 140 struct vq_static_context vq_ctxt[2];
166 #if defined(RL_USE_STATIC_API) && (RL_USE_STATIC_API == 1) 172 #elif defined(RL_USE_ENVIRONMENT_CONTEXT) && (RL_USE_ENVIRONMENT_CONTEXT == 1) 182 uint32_t init_flags);
200 #if defined(RL_USE_STATIC_API) && (RL_USE_STATIC_API == 1) 205 #elif defined(RL_USE_ENVIRONMENT_CONTEXT) && (RL_USE_ENVIRONMENT_CONTEXT == 1) 237 #if defined(RL_USE_STATIC_API) && (RL_USE_STATIC_API == 1) 281 unsigned long timeout);
293 #if defined(RL_API_HAS_ZEROCOPY) && (RL_API_HAS_ZEROCOPY == 1) 325 unsigned long timeout);
361 #if defined(__cplusplus) LOCK * lock
Definition: rpmsg_lite.h:129
int rpmsg_lite_send(struct rpmsg_lite_instance *rpmsg_lite_dev, struct rpmsg_lite_endpoint *ept, unsigned long dst, char *data, unsigned long size, unsigned long timeout)
Sends a message contained in data field of length size to the remote endpoint with address dst...
Definition: rpmsg_lite.h:124
struct rpmsg_lite_instance * rpmsg_lite_master_init(void *shmem_addr, size_t shmem_length, int link_id, uint32_t init_flags)
Initializes the RPMsg-Lite communication stack. Must be called prior to any other RPMSG lite API...
char * sh_mem_base
Definition: rpmsg_lite.h:131
struct rpmsg_lite_instance * rpmsg_lite_remote_init(void *shmem_addr, int link_id, uint32_t init_flags)
Initializes the RPMsg-Lite communication stack. Must be called prior to any other RPMsg-Lite API...
void * rpmsg_lite_alloc_tx_buffer(struct rpmsg_lite_instance *rpmsg_lite_dev, unsigned long *size, unsigned long timeout)
Allocates the tx buffer for message payload.
int rpmsg_lite_send_nocopy(struct rpmsg_lite_instance *rpmsg_lite_dev, struct rpmsg_lite_endpoint *ept, unsigned long dst, void *data, unsigned long size)
Sends a message in tx buffer allocated by rpmsg_lite_alloc_tx_buffer()
void * rfu
Definition: rpmsg_lite.h:105
struct rpmsg_lite_endpoint * rpmsg_lite_create_ept(struct rpmsg_lite_instance *rpmsg_lite_dev, unsigned long addr, rl_ept_rx_cb_t rx_cb, void *rx_cb_data)
Create a new rpmsg endpoint, which can be used for communication.
Definition: rpmsg_lite.h:112
struct virtqueue_ops const * vq_ops
Definition: rpmsg_lite.h:134
unsigned int sh_mem_remaining
Definition: rpmsg_lite.h:132
int rpmsg_lite_deinit(struct rpmsg_lite_instance *rpmsg_lite_dev)
Deinitialized the RPMsg-Lite communication stack This function always succeeds. rpmsg_lite_init() can...
void * rx_cb_data
Definition: rpmsg_lite.h:104
unsigned int sh_mem_total
Definition: rpmsg_lite.h:133
unsigned int link_state
Definition: rpmsg_lite.h:130
int rpmsg_lite_is_link_up(struct rpmsg_lite_instance *rpmsg_lite_dev)
Function to get the link state.
struct virtqueue * rvq
Definition: rpmsg_lite.h:126
int(* rl_ept_rx_cb_t)(void *payload, int payload_len, unsigned long src, void *priv)
Receive callback function type.
Definition: rpmsg_lite.h:95
int rpmsg_lite_release_rx_buffer(struct rpmsg_lite_instance *rpmsg_lite_dev, void *rxbuf)
Releases the rx buffer for future reuse in vring. This API can be called at process context when the ...
Definition: rpmsg_lite.h:100
unsigned long addr
Definition: rpmsg_lite.h:102
struct llist * rl_endpoints
Definition: rpmsg_lite.h:128
struct virtqueue * tvq
Definition: rpmsg_lite.h:127
rl_ept_rx_cb_t rx_cb
Definition: rpmsg_lite.h:103
int rpmsg_lite_destroy_ept(struct rpmsg_lite_instance *rpmsg_lite_dev, struct rpmsg_lite_endpoint *rl_ept)
This function deletes rpmsg endpoint and performs cleanup.