diff options
Diffstat (limited to 'arch/mips/include/asm/octeon/cvmx-packet.h')
| -rw-r--r-- | arch/mips/include/asm/octeon/cvmx-packet.h | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/arch/mips/include/asm/octeon/cvmx-packet.h b/arch/mips/include/asm/octeon/cvmx-packet.h new file mode 100644 index 000000000000..38aefa1bab9d --- /dev/null +++ b/arch/mips/include/asm/octeon/cvmx-packet.h | |||
| @@ -0,0 +1,61 @@ | |||
| 1 | /***********************license start*************** | ||
| 2 | * Author: Cavium Networks | ||
| 3 | * | ||
| 4 | * Contact: support@caviumnetworks.com | ||
| 5 | * This file is part of the OCTEON SDK | ||
| 6 | * | ||
| 7 | * Copyright (c) 2003-2008 Cavium Networks | ||
| 8 | * | ||
| 9 | * This file is free software; you can redistribute it and/or modify | ||
| 10 | * it under the terms of the GNU General Public License, Version 2, as | ||
| 11 | * published by the Free Software Foundation. | ||
| 12 | * | ||
| 13 | * This file is distributed in the hope that it will be useful, but | ||
| 14 | * AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty | ||
| 15 | * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, TITLE, or | ||
| 16 | * NONINFRINGEMENT. See the GNU General Public License for more | ||
| 17 | * details. | ||
| 18 | * | ||
| 19 | * You should have received a copy of the GNU General Public License | ||
| 20 | * along with this file; if not, write to the Free Software | ||
| 21 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | ||
| 22 | * or visit http://www.gnu.org/licenses/. | ||
| 23 | * | ||
| 24 | * This file may also be available under a different license from Cavium. | ||
| 25 | * Contact Cavium Networks for more information | ||
| 26 | ***********************license end**************************************/ | ||
| 27 | |||
| 28 | /* | ||
| 29 | * Packet buffer defines. | ||
| 30 | */ | ||
| 31 | |||
| 32 | #ifndef __CVMX_PACKET_H__ | ||
| 33 | #define __CVMX_PACKET_H__ | ||
| 34 | |||
| 35 | /** | ||
| 36 | * This structure defines a buffer pointer on Octeon | ||
| 37 | */ | ||
| 38 | union cvmx_buf_ptr { | ||
| 39 | void *ptr; | ||
| 40 | uint64_t u64; | ||
| 41 | struct { | ||
| 42 | /* if set, invert the "free" pick of the overall | ||
| 43 | * packet. HW always sets this bit to 0 on inbound | ||
| 44 | * packet */ | ||
| 45 | uint64_t i:1; | ||
| 46 | |||
| 47 | /* Indicates the amount to back up to get to the | ||
| 48 | * buffer start in cache lines. In most cases this is | ||
| 49 | * less than one complete cache line, so the value is | ||
| 50 | * zero */ | ||
| 51 | uint64_t back:4; | ||
| 52 | /* The pool that the buffer came from / goes to */ | ||
| 53 | uint64_t pool:3; | ||
| 54 | /* The size of the segment pointed to by addr (in bytes) */ | ||
| 55 | uint64_t size:16; | ||
| 56 | /* Pointer to the first byte of the data, NOT buffer */ | ||
| 57 | uint64_t addr:40; | ||
| 58 | } s; | ||
| 59 | }; | ||
| 60 | |||
| 61 | #endif /* __CVMX_PACKET_H__ */ | ||