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author | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
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committer | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
commit | 871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch) | |
tree | 8718f573808810c2a1e8cb8fb6ac469093ca2784 /ANDROID_3.4.5/include/scsi/fc/fc_encaps.h | |
parent | 9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff) | |
download | FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.gz FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.bz2 FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.zip |
Moved, renamed, and deleted files
The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.
Diffstat (limited to 'ANDROID_3.4.5/include/scsi/fc/fc_encaps.h')
-rw-r--r-- | ANDROID_3.4.5/include/scsi/fc/fc_encaps.h | 138 |
1 files changed, 0 insertions, 138 deletions
diff --git a/ANDROID_3.4.5/include/scsi/fc/fc_encaps.h b/ANDROID_3.4.5/include/scsi/fc/fc_encaps.h deleted file mode 100644 index f180c3e1..00000000 --- a/ANDROID_3.4.5/include/scsi/fc/fc_encaps.h +++ /dev/null @@ -1,138 +0,0 @@ -/* - * Copyright(c) 2007 Intel Corporation. All rights reserved. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - * - * Maintained at www.Open-FCoE.org - */ -#ifndef _FC_ENCAPS_H_ -#define _FC_ENCAPS_H_ - -/* - * Protocol definitions from RFC 3643 - Fibre Channel Frame Encapsulation. - * - * Note: The frame length field is the number of 32-bit words in - * the encapsulation including the fcip_encaps_header, CRC and EOF words. - * The minimum frame length value in bytes is (32 + 24 + 4 + 4) * 4 = 64. - * The maximum frame length value in bytes is (32 + 24 + 2112 + 4 + 4) = 2172. - */ -#define FC_ENCAPS_MIN_FRAME_LEN 64 /* min frame len (bytes) (see above) */ -#define FC_ENCAPS_MAX_FRAME_LEN (FC_ENCAPS_MIN_FRAME_LEN + FC_MAX_PAYLOAD) - -#define FC_ENCAPS_VER 1 /* current version number */ - -struct fc_encaps_hdr { - __u8 fc_proto; /* protocol number */ - __u8 fc_ver; /* version of encapsulation */ - __u8 fc_proto_n; /* ones complement of protocol */ - __u8 fc_ver_n; /* ones complement of version */ - - unsigned char fc_proto_data[8]; /* protocol specific data */ - - __be16 fc_len_flags; /* 10-bit length/4 w/ 6 flag bits */ - __be16 fc_len_flags_n; /* ones complement of length / flags */ - - /* - * Offset 0x10 - */ - __be32 fc_time[2]; /* time stamp: seconds and fraction */ - __be32 fc_crc; /* CRC */ - __be32 fc_sof; /* start of frame (see FC_SOF below) */ - - /* 0x20 - FC frame content followed by EOF word */ -}; - -#define FCIP_ENCAPS_HDR_LEN 0x20 /* expected length for asserts */ - -/* - * Macro's for making redundant copies of EOF and SOF. - */ -#define FC_XY(x, y) ((((x) & 0xff) << 8) | ((y) & 0xff)) -#define FC_XYXY(x, y) ((FCIP_XY(x, y) << 16) | FCIP_XY(x, y)) -#define FC_XYNN(x, y) (FCIP_XYXY(x, y) ^ 0xffff) - -#define FC_SOF_ENCODE(n) FC_XYNN(n, n) -#define FC_EOF_ENCODE(n) FC_XYNN(n, n) - -/* - * SOF / EOF bytes. - */ -enum fc_sof { - FC_SOF_F = 0x28, /* fabric */ - FC_SOF_I4 = 0x29, /* initiate class 4 */ - FC_SOF_I2 = 0x2d, /* initiate class 2 */ - FC_SOF_I3 = 0x2e, /* initiate class 3 */ - FC_SOF_N4 = 0x31, /* normal class 4 */ - FC_SOF_N2 = 0x35, /* normal class 2 */ - FC_SOF_N3 = 0x36, /* normal class 3 */ - FC_SOF_C4 = 0x39, /* activate class 4 */ -} __attribute__((packed)); - -enum fc_eof { - FC_EOF_N = 0x41, /* normal (not last frame of seq) */ - FC_EOF_T = 0x42, /* terminate (last frame of sequence) */ - FC_EOF_RT = 0x44, - FC_EOF_DT = 0x46, /* disconnect-terminate class-1 */ - FC_EOF_NI = 0x49, /* normal-invalid */ - FC_EOF_DTI = 0x4e, /* disconnect-terminate-invalid */ - FC_EOF_RTI = 0x4f, - FC_EOF_A = 0x50, /* abort */ -} __attribute__((packed)); - -#define FC_SOF_CLASS_MASK 0x06 /* mask for class of service in SOF */ - -/* - * Define classes in terms of the SOF code (initial). - */ -enum fc_class { - FC_CLASS_NONE = 0, /* software value indicating no class */ - FC_CLASS_2 = FC_SOF_I2, - FC_CLASS_3 = FC_SOF_I3, - FC_CLASS_4 = FC_SOF_I4, - FC_CLASS_F = FC_SOF_F, -}; - -/* - * Determine whether SOF code indicates the need for a BLS ACK. - */ -static inline int fc_sof_needs_ack(enum fc_sof sof) -{ - return (~sof) & 0x02; /* true for class 1, 2, 4, 6, or F */ -} - -/* - * Given an fc_class, return the normal (non-initial) SOF value. - */ -static inline enum fc_sof fc_sof_normal(enum fc_class class) -{ - return class + FC_SOF_N3 - FC_SOF_I3; /* diff is always 8 */ -} - -/* - * Compute class from SOF value. - */ -static inline enum fc_class fc_sof_class(enum fc_sof sof) -{ - return (sof & 0x7) | FC_SOF_F; -} - -/* - * Determine whether SOF is for the initial frame of a sequence. - */ -static inline int fc_sof_is_init(enum fc_sof sof) -{ - return sof < 0x30; -} - -#endif /* _FC_ENCAPS_H_ */ |