freebsd-skq/sys/cam/ctl/ctl.h
Alexander Motin ae8828bad1 Add device temperature reporting into CTL.
The values to report can be set via LUN options.  It can be useful for
testing, and also required for Drive Maintenance 2016 feature set.

MFC after:	2 weeks
2019-07-26 03:49:16 +00:00

211 lines
6.3 KiB
C

/*-
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
*
* Copyright (c) 2003 Silicon Graphics International Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions, and the following disclaimer,
* without modification.
* 2. Redistributions in binary form must reproduce at minimum a disclaimer
* substantially similar to the "NO WARRANTY" disclaimer below
* ("Disclaimer") and any redistribution must be conditioned upon
* including a substantially similar Disclaimer requirement for further
* binary redistribution.
*
* NO WARRANTY
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGES.
*
* $Id: //depot/users/kenm/FreeBSD-test2/sys/cam/ctl/ctl.h#5 $
* $FreeBSD$
*/
/*
* Function definitions used both within CTL and potentially in various CTL
* clients.
*
* Author: Ken Merry <ken@FreeBSD.org>
*/
#ifndef _CTL_H_
#define _CTL_H_
#define CTL_RETVAL_COMPLETE 0
#define CTL_RETVAL_QUEUED 1
#define CTL_RETVAL_ALLOCATED 2
#define CTL_RETVAL_ERROR 3
typedef enum {
CTL_PORT_NONE = 0x00,
CTL_PORT_FC = 0x01,
CTL_PORT_SCSI = 0x02,
CTL_PORT_IOCTL = 0x04,
CTL_PORT_INTERNAL = 0x08,
CTL_PORT_ISCSI = 0x10,
CTL_PORT_SAS = 0x20,
CTL_PORT_UMASS = 0x40,
CTL_PORT_ALL = 0xff,
CTL_PORT_ISC = 0x100 // FC port for inter-shelf communication
} ctl_port_type;
struct ctl_port_entry {
ctl_port_type port_type;
char port_name[64];
int32_t targ_port;
int physical_port;
int virtual_port;
u_int flags;
#define CTL_PORT_WWNN_VALID 0x01
#define CTL_PORT_WWPN_VALID 0x02
uint64_t wwnn;
uint64_t wwpn;
int online;
};
struct ctl_modepage_header {
uint8_t page_code;
uint8_t subpage;
uint16_t len_used;
uint16_t len_left;
};
union ctl_modepage_info {
struct ctl_modepage_header header;
};
/*
* Serial number length, for VPD page 0x80.
*/
#define CTL_SN_LEN 16
/*
* Device ID length, for VPD page 0x83.
*/
#define CTL_DEVID_LEN 64
#define CTL_DEVID_MIN_LEN 16
/*
* WWPN length, for VPD page 0x83.
*/
#define CTL_WWPN_LEN 8
#define CTL_DRIVER_NAME_LEN 32
/*
* Unit attention types. ASC/ASCQ values for these should be placed in
* ctl_build_ua. These are also listed in order of reporting priority.
* i.e. a poweron UA is reported first, bus reset second, etc.
*/
typedef enum {
CTL_UA_NONE = 0x0000,
CTL_UA_POWERON = 0x0001,
CTL_UA_BUS_RESET = 0x0002,
CTL_UA_TARG_RESET = 0x0004,
CTL_UA_I_T_NEXUS_LOSS = 0x0008,
CTL_UA_LUN_RESET = 0x0010,
CTL_UA_LUN_CHANGE = 0x0020,
CTL_UA_MODE_CHANGE = 0x0040,
CTL_UA_LOG_CHANGE = 0x0080,
CTL_UA_INQ_CHANGE = 0x0100,
CTL_UA_RES_PREEMPT = 0x0400,
CTL_UA_RES_RELEASE = 0x0800,
CTL_UA_REG_PREEMPT = 0x1000,
CTL_UA_ASYM_ACC_CHANGE = 0x2000,
CTL_UA_CAPACITY_CHANGE = 0x4000,
CTL_UA_THIN_PROV_THRES = 0x8000,
CTL_UA_MEDIUM_CHANGE = 0x10000,
CTL_UA_IE = 0x20000
} ctl_ua_type;
#ifdef _KERNEL
MALLOC_DECLARE(M_CTL);
struct ctl_page_index;
#ifdef SYSCTL_DECL /* from sysctl.h */
SYSCTL_DECL(_kern_cam_ctl);
#endif
struct ctl_lun;
struct ctl_port;
struct ctl_softc;
/*
* Put a string into an sbuf, escaping characters that are illegal or not
* recommended in XML. Note this doesn't escape everything, just > < and &.
*/
int ctl_sbuf_printf_esc(struct sbuf *sb, char *str, int size);
int ctl_ffz(uint32_t *mask, uint32_t first, uint32_t last);
int ctl_set_mask(uint32_t *mask, uint32_t bit);
int ctl_clear_mask(uint32_t *mask, uint32_t bit);
int ctl_is_set(uint32_t *mask, uint32_t bit);
int ctl_default_page_handler(struct ctl_scsiio *ctsio,
struct ctl_page_index *page_index,
uint8_t *page_ptr);
int ctl_ie_page_handler(struct ctl_scsiio *ctsio,
struct ctl_page_index *page_index,
uint8_t *page_ptr);
int ctl_temp_log_sense_handler(struct ctl_scsiio *ctsio,
struct ctl_page_index *page_index,
int pc);
int ctl_lbp_log_sense_handler(struct ctl_scsiio *ctsio,
struct ctl_page_index *page_index,
int pc);
int ctl_sap_log_sense_handler(struct ctl_scsiio *ctsio,
struct ctl_page_index *page_index,
int pc);
int ctl_ie_log_sense_handler(struct ctl_scsiio *ctsio,
struct ctl_page_index *page_index,
int pc);
int ctl_config_move_done(union ctl_io *io);
void ctl_datamove(union ctl_io *io);
void ctl_serseq_done(union ctl_io *io);
void ctl_done(union ctl_io *io);
void ctl_data_submit_done(union ctl_io *io);
void ctl_config_read_done(union ctl_io *io);
void ctl_config_write_done(union ctl_io *io);
void ctl_portDB_changed(int portnum);
int ctl_ioctl_io(struct cdev *dev, u_long cmd, caddr_t addr, int flag,
struct thread *td);
void ctl_est_ua(struct ctl_lun *lun, uint32_t initidx, ctl_ua_type ua);
void ctl_est_ua_port(struct ctl_lun *lun, int port, uint32_t except,
ctl_ua_type ua);
void ctl_est_ua_all(struct ctl_lun *lun, uint32_t except, ctl_ua_type ua);
void ctl_clr_ua(struct ctl_lun *lun, uint32_t initidx, ctl_ua_type ua);
void ctl_clr_ua_all(struct ctl_lun *lun, uint32_t except, ctl_ua_type ua);
void ctl_clr_ua_allluns(struct ctl_softc *ctl_softc, uint32_t initidx,
ctl_ua_type ua_type);
uint32_t ctl_decode_lun(uint64_t encoded);
uint64_t ctl_encode_lun(uint32_t decoded);
void ctl_isc_announce_lun(struct ctl_lun *lun);
void ctl_isc_announce_port(struct ctl_port *port);
void ctl_isc_announce_iid(struct ctl_port *port, int iid);
void ctl_isc_announce_mode(struct ctl_lun *lun, uint32_t initidx,
uint8_t page, uint8_t subpage);
int ctl_expand_number(const char *buf, uint64_t *num);
#endif /* _KERNEL */
#endif /* _CTL_H_ */
/*
* vim: ts=8
*/