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#ifndef _REQ_CTX_H
#define _REQ_CTX_H
#define RCTX_SIZE_LARGE 1000
#define RCTX_SIZE_SMALL 270
#define MAX_HDRSIZE sizeof(struct openpcd_hdr)
#define MAX_REQSIZE (64-MAX_HDRSIZE)
#define req_buf_payload(x) (x->data[x->hdr_len])
#define req_buf_hdr(x) (x->data[0])
#include <sys/types.h>
#include <lib_AT91SAM7.h>
struct req_ctx {
volatile u_int32_t state;
volatile struct req_ctx *prev, *next;
u_int16_t size;
u_int16_t tot_len;
u_int8_t *data;
};
#define RCTX_STATE_FREE 0
#define RCTX_STATE_UDP_RCV_BUSY 1
#define RCTX_STATE_UDP_RCV_DONE 2
#define RCTX_STATE_MAIN_PROCESSING 3
#define RCTX_STATE_RC632IRQ_BUSY 4
#define RCTX_STATE_UDP_EP2_PENDING 5
#define RCTX_STATE_UDP_EP2_BUSY 6
#define RCTX_STATE_UDP_EP3_PENDING 7
#define RCTX_STATE_UDP_EP3_BUSY 8
#define RCTX_STATE_SSC_RX_BUSY 9
#define RCTX_STATE_LIBRFID_BUSY 10
#define RCTX_STATE_PIOIRQ_BUSY 11
#define RCTX_STATE_INVALID 12
// Nominally UNUSED states
#define RCTX_STATE_UDP_EP0_PENDING 13
#define RCTX_STATE_UDP_EP0_BUSY 14
#define RCTX_STATE_UDP_EP1_PENDING 15
#define RCTX_STATE_UDP_EP1_BUSY 16
// Count of the number of STATES
#define RCTX_STATE_COUNT 17
extern struct req_ctx __ramfunc *req_ctx_find_get(int large, unsigned long old_state, unsigned long new_state);
extern struct req_ctx *req_ctx_find_busy(void);
extern void req_ctx_set_state(struct req_ctx *ctx, unsigned long new_state);
extern void req_ctx_put(struct req_ctx *ctx);
extern u_int8_t req_ctx_num(struct req_ctx *ctx);
#endif /* _REQ_CTX_H */
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