FileMgr

✏️ /usr/src/linux-headers-6.8.0-124/include/scsi/scsi_common.h

✕ Tutup

/* SPDX-License-Identifier: GPL-2.0 */
/*
 * 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 <uapi/linux/pr.h>
#include <scsi/scsi_proto.h>

enum scsi_pr_type {
	SCSI_PR_WRITE_EXCLUSIVE			= 0x01,
	SCSI_PR_EXCLUSIVE_ACCESS		= 0x03,
	SCSI_PR_WRITE_EXCLUSIVE_REG_ONLY	= 0x05,
	SCSI_PR_EXCLUSIVE_ACCESS_REG_ONLY	= 0x06,
	SCSI_PR_WRITE_EXCLUSIVE_ALL_REGS	= 0x07,
	SCSI_PR_EXCLUSIVE_ACCESS_ALL_REGS	= 0x08,
};

enum scsi_pr_type block_pr_type_to_scsi(enum pr_type type);
enum pr_type scsi_pr_type_to_block(enum scsi_pr_type type);

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]);
}

static inline unsigned char
scsi_command_control(const unsigned char *cmnd)
{
	return (cmnd[0] == VARIABLE_LENGTH_CMD) ?
		cmnd[1] : cmnd[COMMAND_SIZE(cmnd[0]) - 1];
}

/* 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_ */

Batal

⬅ include 38 item

Nama	Tipe	Ukuran	Diubah	Perm	Aksi
📁 fc	dir	—	15/06/26 13:45	0755	📂
📄 fc_frame.h	h	7 KB	10/03/24 20:38	0644	✏️ ⬇
📄 fcoe_sysfs.h	h	3.1 KB	10/03/24 20:38	0644	✏️ ⬇
📄 iscsi_if.h	h	25.6 KB	10/03/24 20:38	0644	✏️ ⬇
📄 iscsi_proto.h	h	15.5 KB	10/03/24 20:38	0644	✏️ ⬇
📄 iser.h	h	2.3 KB	10/03/24 20:38	0644	✏️ ⬇
📄 libfc.h	h	31.1 KB	10/03/24 20:38	0644	✏️ ⬇
📄 libfcoe.h	h	13.4 KB	10/03/24 20:38	0644	✏️ ⬇
📄 libiscsi.h	h	14.6 KB	10/03/24 20:38	0644	✏️ ⬇
📄 libiscsi_tcp.h	h	3.8 KB	10/03/24 20:38	0644	✏️ ⬇
📄 libsas.h	h	18.4 KB	10/03/24 20:38	0644	✏️ ⬇
📄 sas.h	h	12.8 KB	10/03/24 20:38	0644	✏️ ⬇
📄 sas_ata.h	h	3.1 KB	10/03/24 20:38	0644	✏️ ⬇
📄 scsi.h	h	5.9 KB	10/03/24 20:38	0644	✏️ ⬇
📄 scsi_bsg_iscsi.h	h	2.2 KB	10/03/24 20:38	0644	✏️ ⬇
📄 scsi_cmnd.h	h	10.4 KB	26/05/26 09:55	0644	✏️ ⬇
📄 scsi_common.h	h	2.7 KB	10/03/24 20:38	0644	✏️ ⬇
📄 scsi_dbg.h	h	2.1 KB	10/03/24 20:38	0644	✏️ ⬇
📄 scsi_device.h	h	22.3 KB	10/03/24 20:38	0644	✏️ ⬇
📄 scsi_devinfo.h	h	3.8 KB	10/03/24 20:38	0644	✏️ ⬇
📄 scsi_dh.h	h	2.5 KB	10/03/24 20:38	0644	✏️ ⬇
📄 scsi_driver.h	h	1.1 KB	26/05/26 09:55	0644	✏️ ⬇
📄 scsi_eh.h	h	1.7 KB	26/05/26 09:55	0644	✏️ ⬇
📄 scsi_host.h	h	27.1 KB	26/05/26 09:55	0644	✏️ ⬇
📄 scsi_ioctl.h	h	1.5 KB	10/03/24 20:38	0644	✏️ ⬇
📄 scsi_proto.h	h	11 KB	10/03/24 20:38	0644	✏️ ⬇
📄 scsi_status.h	h	2.6 KB	10/03/24 20:38	0644	✏️ ⬇
📄 scsi_tcq.h	h	993 B	10/03/24 20:38	0644	✏️ ⬇
📄 scsi_transport.h	h	2.6 KB	10/03/24 20:38	0644	✏️ ⬇
📄 scsi_transport_fc.h	h	28.1 KB	10/03/24 20:38	0644	✏️ ⬇
📄 scsi_transport_iscsi.h	h	17.4 KB	10/03/24 20:38	0644	✏️ ⬇
📄 scsi_transport_sas.h	h	6.9 KB	26/05/26 09:55	0644	✏️ ⬇
📄 scsi_transport_spi.h	h	6.5 KB	10/03/24 20:38	0644	✏️ ⬇
📄 scsi_transport_srp.h	h	4.8 KB	10/03/24 20:38	0644	✏️ ⬇
📄 scsicam.h	h	636 B	10/03/24 20:38	0644	✏️ ⬇
📄 sg.h	h	14.7 KB	10/03/24 20:38	0644	✏️ ⬇
📄 srp.h	h	6.9 KB	10/03/24 20:38	0644	✏️ ⬇
📄 viosrp.h	h	5.5 KB	10/03/24 20:38	0644	✏️ ⬇

✏️ Rename

🔑 Ubah Permission