ceph/src/seastar/dpdk/examples/performance-thread/common/arch/x86/ctx.h

   1 /*-
   2  *   BSD LICENSE
   3  *
   4  *   Copyright(c) 2015 Intel Corporation. All rights reserved.
   5  *   All rights reserved.
   6  *
   7  *   Redistribution and use in source and binary forms, with or without
   8  *   modification, are permitted provided that the following conditions
   9  *   are met:
  10  *
  11  *     * Redistributions of source code must retain the above copyright
  12  *       notice, this list of conditions and the following disclaimer.
  13  *     * Redistributions in binary form must reproduce the above copyright
  14  *       notice, this list of conditions and the following disclaimer in
  15  *       the documentation and/or other materials provided with the
  16  *       distribution.
  17  *     * Neither the name of Intel Corporation nor the names of its
  18  *       contributors may be used to endorse or promote products derived
  19  *       from this software without specific prior written permission.
  20  *
  21  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  22  *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  23  *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  24  *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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  29  *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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  31  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  32  */
  33
  34
  35 #ifndef CTX_H
  36 #define CTX_H
  37
  38 #ifdef __cplusplus
  39 extern "C" {
  40 #endif
  41
  42 /*
  43  * CPU context registers
  44  */
  45 struct ctx {
  46         void    *rsp;           /* 0  */
  47         void    *rbp;           /* 8  */
  48         void    *rip;           /* 16 */
  49         void    *rbx;           /* 24 */
  50         void    *r12;           /* 32 */
  51         void    *r13;           /* 40 */
  52         void    *r14;           /* 48 */
  53         void    *r15;           /* 56 */
  54 };
  55
  56
  57 void
  58 ctx_switch(struct ctx *new_ctx, struct ctx *curr_ctx);
  59
  60
  61 #ifdef __cplusplus
  62 }
  63 #endif
  64
  65 #endif /* RTE_CTX_H_ */