osmo-sdr/firmware/include/req_ctx.h @ master
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#ifndef _REQ_CTX_H
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#define _REQ_CTX_H
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#define __ramfunc
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#define RCTX_SIZE_LARGE 2048
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#define RCTX_SIZE_SMALL 1024
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#define MAX_HDRSIZE sizeof(struct openpcd_hdr)
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#define MAX_REQSIZE (64-MAX_HDRSIZE)
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#define req_buf_payload(x) (x->data[x->hdr_len])
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#define req_buf_hdr(x) (x->data[0])
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#include <stdint.h>
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#include <dmad/dmad.h>
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#include <linuxlist.h>
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struct req_ctx { |
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struct llist_head list; |
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volatile uint32_t state; |
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uint16_t size; |
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uint16_t tot_len; |
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DmaLinkList dma_lli; |
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uint8_t *data; |
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};
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#define RCTX_STATE_FREE 0xfe
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#define RCTX_STATE_UDP_RCV_BUSY 0x01
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#define RCTX_STATE_UDP_RCV_DONE 0x02
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#define RCTX_STATE_MAIN_PROCESSING 0x03
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#define RCTX_STATE_UDP_EP2_PENDING 0x10
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#define RCTX_STATE_UDP_EP2_BUSY 0x11
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#define RCTX_STATE_UDP_EP3_PENDING 0x12
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#define RCTX_STATE_UDP_EP3_BUSY 0x13
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#define RCTX_STATE_SSC_RX_BUSY 0x20 /* currently being processed by Rx DMA */ |
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#define RCTX_STATE_SSC_RX_PENDING 0x21 /* waiting in queue for Rx SSC DMA */ |
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#define RCTX_STATE_INVALID 0xff
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extern struct req_ctx __ramfunc *req_ctx_find_get(int large, unsigned long old_state, unsigned long new_state); |
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extern struct req_ctx *req_ctx_find_busy(void); |
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extern void req_ctx_set_state(struct req_ctx *ctx, unsigned long new_state); |
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extern void req_ctx_put(struct req_ctx *ctx); |
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extern uint8_t req_ctx_num(struct req_ctx *ctx); |
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void req_ctx_enqueue(struct llist_head *list, struct req_ctx *rctx); |
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struct req_ctx *req_ctx_dequeue(struct llist_head *list); |
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void req_ctx_dump(); |
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#endif /* _REQ_CTX_H */ |
