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-rw-r--r--ANDROID_3.4.5/include/scsi/fc_frame.h261
1 files changed, 0 insertions, 261 deletions
diff --git a/ANDROID_3.4.5/include/scsi/fc_frame.h b/ANDROID_3.4.5/include/scsi/fc_frame.h
deleted file mode 100644
index 8225d806..00000000
--- a/ANDROID_3.4.5/include/scsi/fc_frame.h
+++ /dev/null
@@ -1,261 +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_FRAME_H_
-#define _FC_FRAME_H_
-
-#include <linux/scatterlist.h>
-#include <linux/skbuff.h>
-#include <scsi/scsi_cmnd.h>
-
-#include <scsi/fc/fc_fs.h>
-#include <scsi/fc/fc_fcp.h>
-#include <scsi/fc/fc_encaps.h>
-
-#include <linux/if_ether.h>
-
-/* some helpful macros */
-
-#define ntohll(x) be64_to_cpu(x)
-#define htonll(x) cpu_to_be64(x)
-
-static inline u32 ntoh24(const u8 *p)
-{
- return (p[0] << 16) | (p[1] << 8) | p[2];
-}
-
-static inline void hton24(u8 *p, u32 v)
-{
- p[0] = (v >> 16) & 0xff;
- p[1] = (v >> 8) & 0xff;
- p[2] = v & 0xff;
-}
-
-/*
- * The fc_frame interface is used to pass frame data between functions.
- * The frame includes the data buffer, length, and SOF / EOF delimiter types.
- * A pointer to the port structure of the receiving port is also includeded.
- */
-
-#define FC_FRAME_HEADROOM 32 /* headroom for VLAN + FCoE headers */
-#define FC_FRAME_TAILROOM 8 /* trailer space for FCoE */
-
-/* Max number of skb frags allowed, reserving one for fcoe_crc_eof page */
-#define FC_FRAME_SG_LEN (MAX_SKB_FRAGS - 1)
-
-#define fp_skb(fp) (&((fp)->skb))
-#define fr_hdr(fp) ((fp)->skb.data)
-#define fr_len(fp) ((fp)->skb.len)
-#define fr_cb(fp) ((struct fcoe_rcv_info *)&((fp)->skb.cb[0]))
-#define fr_dev(fp) (fr_cb(fp)->fr_dev)
-#define fr_seq(fp) (fr_cb(fp)->fr_seq)
-#define fr_sof(fp) (fr_cb(fp)->fr_sof)
-#define fr_eof(fp) (fr_cb(fp)->fr_eof)
-#define fr_flags(fp) (fr_cb(fp)->fr_flags)
-#define fr_encaps(fp) (fr_cb(fp)->fr_encaps)
-#define fr_max_payload(fp) (fr_cb(fp)->fr_max_payload)
-#define fr_fsp(fp) (fr_cb(fp)->fr_fsp)
-#define fr_crc(fp) (fr_cb(fp)->fr_crc)
-
-struct fc_frame {
- struct sk_buff skb;
-};
-
-struct fcoe_rcv_info {
- struct fc_lport *fr_dev; /* transport layer private pointer */
- struct fc_seq *fr_seq; /* for use with exchange manager */
- struct fc_fcp_pkt *fr_fsp; /* for the corresponding fcp I/O */
- u32 fr_crc;
- u16 fr_max_payload; /* max FC payload */
- u8 fr_sof; /* start of frame delimiter */
- u8 fr_eof; /* end of frame delimiter */
- u8 fr_flags; /* flags - see below */
- u8 fr_encaps; /* LLD encapsulation info (e.g. FIP) */
- u8 granted_mac[ETH_ALEN]; /* FCoE MAC address */
-};
-
-
-/*
- * Get fc_frame pointer for an skb that's already been imported.
- */
-static inline struct fcoe_rcv_info *fcoe_dev_from_skb(const struct sk_buff *skb)
-{
- BUILD_BUG_ON(sizeof(struct fcoe_rcv_info) > sizeof(skb->cb));
- return (struct fcoe_rcv_info *) skb->cb;
-}
-
-/*
- * fr_flags.
- */
-#define FCPHF_CRC_UNCHECKED 0x01 /* CRC not computed, still appended */
-
-/*
- * Initialize a frame.
- * We don't do a complete memset here for performance reasons.
- * The caller must set fr_free, fr_hdr, fr_len, fr_sof, and fr_eof eventually.
- */
-static inline void fc_frame_init(struct fc_frame *fp)
-{
- fr_dev(fp) = NULL;
- fr_seq(fp) = NULL;
- fr_flags(fp) = 0;
- fr_encaps(fp) = 0;
-}
-
-struct fc_frame *fc_frame_alloc_fill(struct fc_lport *, size_t payload_len);
-struct fc_frame *_fc_frame_alloc(size_t payload_len);
-
-/*
- * Allocate fc_frame structure and buffer. Set the initial length to
- * payload_size + sizeof (struct fc_frame_header).
- */
-static inline struct fc_frame *fc_frame_alloc(struct fc_lport *dev, size_t len)
-{
- struct fc_frame *fp;
-
- /*
- * Note: Since len will often be a constant multiple of 4,
- * this check will usually be evaluated and eliminated at compile time.
- */
- if (len && len % 4)
- fp = fc_frame_alloc_fill(dev, len);
- else
- fp = _fc_frame_alloc(len);
- return fp;
-}
-
-/*
- * Free the fc_frame structure and buffer.
- */
-static inline void fc_frame_free(struct fc_frame *fp)
-{
- kfree_skb(fp_skb(fp));
-}
-
-static inline int fc_frame_is_linear(struct fc_frame *fp)
-{
- return !skb_is_nonlinear(fp_skb(fp));
-}
-
-/*
- * Get frame header from message in fc_frame structure.
- * This version doesn't do a length check.
- */
-static inline
-struct fc_frame_header *__fc_frame_header_get(const struct fc_frame *fp)
-{
- return (struct fc_frame_header *)fr_hdr(fp);
-}
-
-/*
- * Get frame header from message in fc_frame structure.
- * This hides a cast and provides a place to add some checking.
- */
-static inline
-struct fc_frame_header *fc_frame_header_get(const struct fc_frame *fp)
-{
- WARN_ON(fr_len(fp) < sizeof(struct fc_frame_header));
- return __fc_frame_header_get(fp);
-}
-
-/*
- * Get source FC_ID (S_ID) from frame header in message.
- */
-static inline u32 fc_frame_sid(const struct fc_frame *fp)
-{
- return ntoh24(__fc_frame_header_get(fp)->fh_s_id);
-}
-
-/*
- * Get destination FC_ID (D_ID) from frame header in message.
- */
-static inline u32 fc_frame_did(const struct fc_frame *fp)
-{
- return ntoh24(__fc_frame_header_get(fp)->fh_d_id);
-}
-
-/*
- * Get frame payload from message in fc_frame structure.
- * This hides a cast and provides a place to add some checking.
- * The len parameter is the minimum length for the payload portion.
- * Returns NULL if the frame is too short.
- *
- * This assumes the interesting part of the payload is in the first part
- * of the buffer for received data. This may not be appropriate to use for
- * buffers being transmitted.
- */
-static inline void *fc_frame_payload_get(const struct fc_frame *fp,
- size_t len)
-{
- void *pp = NULL;
-
- if (fr_len(fp) >= sizeof(struct fc_frame_header) + len)
- pp = fc_frame_header_get(fp) + 1;
- return pp;
-}
-
-/*
- * Get frame payload opcode (first byte) from message in fc_frame structure.
- * This hides a cast and provides a place to add some checking. Return 0
- * if the frame has no payload.
- */
-static inline u8 fc_frame_payload_op(const struct fc_frame *fp)
-{
- u8 *cp;
-
- cp = fc_frame_payload_get(fp, sizeof(u8));
- if (!cp)
- return 0;
- return *cp;
-
-}
-
-/*
- * Get FC class from frame.
- */
-static inline enum fc_class fc_frame_class(const struct fc_frame *fp)
-{
- return fc_sof_class(fr_sof(fp));
-}
-
-/*
- * Check the CRC in a frame.
- * The CRC immediately follows the last data item *AFTER* the length.
- * The return value is zero if the CRC matches.
- */
-u32 fc_frame_crc_check(struct fc_frame *);
-
-static inline u8 fc_frame_rctl(const struct fc_frame *fp)
-{
- return fc_frame_header_get(fp)->fh_r_ctl;
-}
-
-static inline bool fc_frame_is_cmd(const struct fc_frame *fp)
-{
- return fc_frame_rctl(fp) == FC_RCTL_DD_UNSOL_CMD;
-}
-
-/*
- * Check for leaks.
- * Print the frame header of any currently allocated frame, assuming there
- * should be none at this point.
- */
-void fc_frame_leak_check(void);
-
-#endif /* _FC_FRAME_H_ */