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#ifndef DISCOVERY_H_INCLUDED
#define DISCOVERY_H_INCLUDED
#define SYSFS_PATH_SIZE 255
#define INQUIRY_CMDLEN 6
#define INQUIRY_CMD 0x12
#define SENSE_BUFF_LEN 32
#define RECOVERED_ERROR 0x01
#define MX_ALLOC_LEN 255
#define TUR_CMD_LEN 6
#ifndef BLKGETSIZE
#define BLKGETSIZE _IO(0x12,96)
#endif
#ifndef DEF_TIMEOUT
#define DEF_TIMEOUT 30
#endif
/*
* excerpt from sg_err.h
*/
#define SCSI_CHECK_CONDITION 0x2
#define SCSI_COMMAND_TERMINATED 0x22
#define SG_ERR_DRIVER_SENSE 0x08
#define PATHINFO_OK 0
#define PATHINFO_FAILED 1
#define PATHINFO_SKIPPED 2
struct config;
int path_discovery (vector pathvec, int flag);
int path_get_tpgs(struct path *pp); /* This function never returns TPGS_UNDEF */
int do_tur (char *);
int path_sysfs_state(struct path *);
int start_checker(struct path * pp, struct config * conf, int daemon,
int state);
int get_state(struct path * pp);
int get_vpd_sgio (int fd, int pg, int vend_id, char * str, int maxlen);
int pathinfo (struct path * pp, struct config * conf, int mask);
int alloc_path_with_pathinfo (struct config *conf, struct udev_device *udevice,
const char *wwid, int flag, struct path **pp_ptr);
int store_pathinfo (vector pathvec, struct config *conf,
struct udev_device *udevice, int flag,
struct path **pp_ptr);
int sysfs_set_scsi_tmo (struct config *conf, struct multipath *mpp);
int sysfs_get_timeout(const struct path *pp, unsigned int *timeout);
int sysfs_get_iscsi_ip_address(const struct path *pp, char *ip_address);
int sysfs_get_host_adapter_name(const struct path *pp,
char *adapter_name);
ssize_t sysfs_get_vpd (struct udev_device *udev, unsigned char pg,
unsigned char *buff, size_t len);
ssize_t sysfs_get_inquiry(struct udev_device *udev,
unsigned char *buff, size_t len);
int sysfs_get_asymmetric_access_state(struct path *pp,
char *buff, int buflen);
bool can_recheck_wwid(const struct path *pp);
int get_uid(struct path * pp, int path_state, struct udev_device *udev,
int allow_fallback);
bool is_vpd_page_supported(int fd, int pg);
void cleanup_udev_enumerate_ptr(void *arg);
void cleanup_udev_device_ptr(void *arg);
/*
* discovery bitmask
*/
enum discovery_mode {
DI_SYSFS__,
DI_IOCTL__,
DI_CHECKER__,
DI_PRIO__,
DI_WWID__,
DI_BLACKLIST__,
DI_NOIO__,
DI_NOFALLBACK__,
DI_DISCOVERY__,
};
#define DI_SYSFS (1 << DI_SYSFS__)
#define DI_IOCTL (1 << DI_IOCTL__)
#define DI_CHECKER (1 << DI_CHECKER__)
#define DI_PRIO (1 << DI_PRIO__)
#define DI_WWID (1 << DI_WWID__)
#define DI_BLACKLIST (1 << DI_BLACKLIST__)
#define DI_NOIO (1 << DI_NOIO__) /* Avoid IO on the device */
#define DI_NOFALLBACK (1 << DI_NOFALLBACK__) /* do not allow wwid fallback */
#define DI_DISCOVERY (1 << DI_DISCOVERY__) /* set only during map discovery */
#define DI_ALL (DI_SYSFS | DI_IOCTL | DI_CHECKER | DI_PRIO | DI_WWID)
#endif /* DISCOVERY_H_INCLUDED */
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