/*
 * Functions used by both the SCSI initiator code and the SCSI target code.
 */

#ifndef _SCSI_COMMON_H_
#define _SCSI_COMMON_H_

#include <linux/types.h>
#include <scsi/scsi_proto.h>

static inline unsigned
scsi_varlen_cdb_length(const void *hdr)
{
	return ((struct scsi_varlen_cdb_hdr *)hdr)->additional_cdb_length + 8;
}

extern const unsigned char scsi_command_size_tbl[8];
#define COMMAND_SIZE(opcode) scsi_command_size_tbl[((opcode) >> 5) & 7]

static inline unsigned
scsi_command_size(const unsigned char *cmnd)
{
	return (cmnd[0] == VARIABLE_LENGTH_CMD) ?
		scsi_varlen_cdb_length(cmnd) : COMMAND_SIZE(cmnd[0]);
}

/* Returns a human-readable name for the device */
extern const char *scsi_device_type(unsigned type);

extern void int_to_scsilun(u64, struct scsi_lun *);
extern u64 scsilun_to_int(struct scsi_lun *);

/*
 * This is a slightly modified SCSI sense "descriptor" format header.
 * The addition is to allow the 0x70 and 0x71 response codes. The idea
 * is to place the salient data from either "fixed" or "descriptor" sense
 * format into one structure to ease application processing.
 *
 * The original sense buffer should be kept around for those cases
 * in which more information is required (e.g. the LBA of a MEDIUM ERROR).
 */
struct scsi_sense_hdr {		/* See SPC-3 section 4.5 */
	u8 response_code;	/* permit: 0x0, 0x70, 0x71, 0x72, 0x73 */
	u8 sense_key;
	u8 asc;
	u8 ascq;
	u8 byte4;
	u8 byte5;
	u8 byte6;
	u8 additional_length;	/* always 0 for fixed sense format */
};

static inline bool scsi_sense_valid(const struct scsi_sense_hdr *sshdr)
{
	if (!sshdr)
		return false;

	return (sshdr->response_code & 0x70) == 0x70;
}

extern bool scsi_normalize_sense(const u8 *sense_buffer, int sb_len,
				 struct scsi_sense_hdr *sshdr);

extern void scsi_build_sense_buffer(int desc, u8 *buf, u8 key, u8 asc, u8 ascq);
int scsi_set_sense_information(u8 *buf, int buf_len, u64 info);
int scsi_set_sense_field_pointer(u8 *buf, int buf_len, u16 fp, u8 bp, bool cd);
extern const u8 * scsi_sense_desc_find(const u8 * sense_buffer, int sb_len,
				       int desc_type);

#endif /* _SCSI_COMMON_H_ */
?h=nds-private-remove&amp;id=ba6d973f78eb62ffebb32f6ef3334fc9a3b33d22'>commit</a><a href='/cgit.cgi/linux/net-next.git/diff/net/ieee802154/6lowpan/tx.c?h=nds-private-remove&amp;id=ba6d973f78eb62ffebb32f6ef3334fc9a3b33d22'>diff</a></td><td class='form'><form class='right' method='get' action='/cgit.cgi/linux/net-next.git/log/net/ieee802154/6lowpan/tx.c'>
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<tr><th>author</th><td>Linus Torvalds &lt;torvalds@linux-foundation.org&gt;</td><td class='right'>2016-12-20 15:48:34 -0800</td></tr>
<tr><th>committer</th><td>Linus Torvalds &lt;torvalds@linux-foundation.org&gt;</td><td class='right'>2016-12-20 15:48:34 -0800</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/net/ieee802154/6lowpan/tx.c?h=nds-private-remove&amp;id=ba6d973f78eb62ffebb32f6ef3334fc9a3b33d22'>ba6d973f78eb62ffebb32f6ef3334fc9a3b33d22</a> (<a href='/cgit.cgi/linux/net-next.git/patch/net/ieee802154/6lowpan/tx.c?id=ba6d973f78eb62ffebb32f6ef3334fc9a3b33d22'>patch</a>)</td></tr>
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<div class='commit-subject'>Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net</div><div class='commit-msg'>Pull networking fixes and cleanups from David Miller:

 1) Use rb_entry() instead of hardcoded container_of(), from Geliang
    Tang.

 2) Use correct memory barriers in stammac driver, from Pavel Machek.

 3) Fix assoc bind address handling in SCTP, from Xin Long.

 4) Make the length check for UFO handling consistent between
    __ip_append_data() and ip_finish_output(), from Zheng Li.

 5) HSI driver compatible strings were busted fro hix5hd2, from Dongpo
    Li.

 6) Handle devm_ioremap() errors properly in cavium driver, from Arvind
    Yadav.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (22 commits)
  RDS: use rb_entry()
  net_sched: sch_netem: use rb_entry()
  net_sched: sch_fq: use rb_entry()
  net/mlx5: use rb_entry()
  ethernet: sfc: Add Kconfig entry for vendor Solarflare
  sctp: not copying duplicate addrs to the assoc's bind address list
  sctp: reduce indent level in sctp_copy_local_addr_list
  ARM: dts: hix5hd2: don't change the existing compatible string
  net: hix5hd2_gmac: fix compatible strings name
  openvswitch: Add a missing break statement.
  net: netcp: ethss: fix 10gbe host port tx pri map configuration
  net: netcp: ethss: fix errors in ethtool ops
  fsl/fman: enable compilation on ARM64
  fsl/fman: A007273 only applies to PPC SoCs
  powerpc: fsl/fman: remove fsl,fman from of_device_ids[]
  fsl/fman: fix 1G support for QSGMII interfaces
  dt: bindings: net: use boolean dt properties for eee broken modes
  net: phy: use boolean dt properties for eee broken modes
  net: phy: fix sign type error in genphy_config_eee_advert
  ipv4: Should use consistent conditional judgement for ip fragment in __ip_append_data and ip_finish_output
  ...
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?h=nds-private-remove&amp;id=ba6d973f78eb62ffebb32f6ef3334fc9a3b33d22'>Diffstat</a> (limited to 'net/ieee802154/6lowpan/tx.c')</div><table summary='diffstat' class='diffstat'>