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#pragma once
#define RCTX_SIZE_LARGE 960
#define RCTX_SIZE_SMALL 320
#define MAX_HDRSIZE sizeof(struct openpcd_hdr)
#include <stdint.h>
#include "osmocom/core/linuxlist.h"
#define __ramfunc
enum req_ctx_state {
/* free to be allocated */
RCTX_S_FREE,
/* USB -> UART */
/* In USB driver, waiting for data from host */
RCTX_S_USB_RX_BUSY,
/* somewhere in the main loop */
RCTX_S_MAIN_PROCESSING,
/* pending (in queue) for transmission on UART */
RCTX_S_UART_TX_PENDING,
/* currently in active transmission on UART */
RCTX_S_UART_TX_BUSY,
/* UART -> USB */
/* currently in active reception on UART */
RCTX_S_UART_RX_BUSY,
/* pending (in queue) for transmission over USB to host */
RCTX_S_USB_TX_PENDING,
/* currently in transmission over USB to host */
RCTX_S_USB_TX_BUSY,
/* number of states */
RCTX_STATE_COUNT
};
struct req_ctx {
/* if this req_ctx is on a queue... */
struct llist_head list;
uint32_t ep;
/* enum req_ctx_state */
volatile uint32_t state;
/* size of th 'data' buffer */
uint16_t size;
/* total number of used bytes in buffer */
uint16_t tot_len;
/* index into the buffer, user specific */
uint16_t idx;
/* actual data buffer */
uint8_t *data;
};
extern void req_ctx_init(void);
extern struct req_ctx __ramfunc *req_ctx_find_get(int large, uint32_t old_state, uint32_t new_state);
extern struct req_ctx *req_ctx_find_busy(void);
extern void req_ctx_set_state(struct req_ctx *ctx, uint32_t new_state);
extern void req_ctx_put(struct req_ctx *ctx);
extern uint8_t req_ctx_num(struct req_ctx *ctx);
unsigned int req_ctx_count(uint32_t state);
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