diff options
author | laforge <laforge@6dc7ffe9-61d6-0310-9af1-9938baff3ed1> | 2006-09-12 17:35:30 +0000 |
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committer | laforge <laforge@6dc7ffe9-61d6-0310-9af1-9938baff3ed1> | 2006-09-12 17:35:30 +0000 |
commit | d256545b2fd62d78910efcc6273c3b70abd3aa13 (patch) | |
tree | a05e17ec752cfbcc0b79fdbfba81fb949545a112 /firmware/src/os/req_ctx.h | |
parent | 04e0441914eeb25e042189679b55c9577fc96d2a (diff) |
move to new directory
git-svn-id: https://svn.openpcd.org:2342/trunk@191 6dc7ffe9-61d6-0310-9af1-9938baff3ed1
Diffstat (limited to 'firmware/src/os/req_ctx.h')
-rw-r--r-- | firmware/src/os/req_ctx.h | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/firmware/src/os/req_ctx.h b/firmware/src/os/req_ctx.h new file mode 100644 index 0000000..82a133f --- /dev/null +++ b/firmware/src/os/req_ctx.h @@ -0,0 +1,49 @@ +#ifndef _REQ_CTX_H +#define _REQ_CTX_H + +#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> + +struct req_buf { + u_int16_t hdr_len; + u_int16_t tot_len; + u_int8_t data[64]; +}; + +struct req_ctx { + u_int16_t seq; /* request sequence number */ + u_int16_t flags; + volatile u_int32_t state; + struct req_buf rx; + struct req_buf tx; +}; + +#define RCTX_STATE_FREE 0x00 +#define RCTX_STATE_UDP_RCV_BUSY 0x01 +#define RCTX_STATE_UDP_RCV_DONE 0x02 +#define RCTX_STATE_MAIN_PROCESSING 0x03 +#define RCTX_STATE_RC632IRQ_BUSY 0x04 + +#define RCTX_STATE_UDP_EP2_PENDING 0x10 +#define RCTX_STATE_UDP_EP2_BUSY 0x11 + +#define RCTX_STATE_UDP_EP3_PENDING 0x12 +#define RCTX_STATE_UDP_EP3_BUSY 0x13 + +#define RCTX_STATE_SSC_RX_BUSY 0x20 + +#define RCTX_STATE_PIOIRQ_BUSY 0x80 + +#define NUM_REQ_CTX 8 +extern struct req_ctx *req_ctx_find_get(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 */ |