diff options
Diffstat (limited to 'mdadm.h')
| -rw-r--r-- | mdadm.h | 104 |
1 files changed, 60 insertions, 44 deletions
@@ -430,8 +430,10 @@ struct createinfo { }; struct spare_criteria { + bool criteria_set; unsigned long long min_size; unsigned int sector_size; + struct dev_policy *pols; }; typedef enum mdadm_status { @@ -776,6 +778,8 @@ enum sysfs_read_flags { #define SYSFS_MAX_BUF_SIZE 64 +extern void sysfs_get_container_devnm(struct mdinfo *mdi, char *buf); + /* If fd >= 0, get the array it is open on, * else use devnm. */ @@ -807,7 +811,7 @@ extern int sysfs_attribute_available(struct mdinfo *sra, struct mdinfo *dev, extern int sysfs_get_str(struct mdinfo *sra, struct mdinfo *dev, char *name, char *val, int size); extern int sysfs_set_safemode(struct mdinfo *sra, unsigned long ms); -extern int sysfs_set_array(struct mdinfo *info, int vers); +extern int sysfs_set_array(struct mdinfo *info); extern int sysfs_add_disk(struct mdinfo *sra, struct mdinfo *sd, int resume); extern int sysfs_disk_to_scsi_id(int fd, __u32 *id); extern int sysfs_unique_holder(char *devnm, long rdev); @@ -849,6 +853,7 @@ extern int restore_stripes(int *dest, unsigned long long *offsets, int source, unsigned long long read_offset, unsigned long long start, unsigned long long length, char *src_buf); +extern bool sysfs_is_libata_allow_tpm_enabled(const int verbose); #ifndef Sendmail #define Sendmail "/usr/lib/sendmail -t" @@ -937,6 +942,23 @@ struct reshape { unsigned long long new_size; /* New size of array in sectors */ }; +/** + * struct dev_policy - Data structure for policy management. + * @next: pointer to next dev_policy. + * @name: policy name, category. + * @metadata: the metadata type it affects. + * @value: value of the policy. + * + * The functions to manipulate dev_policy lists do not free elements, so they must be statically + * allocated. @name and @metadata can be compared by address. + */ +typedef struct dev_policy { + struct dev_policy *next; + char *name; + const char *metadata; + const char *value; +} dev_policy_t; + /* A superswitch provides entry point to a metadata handler. * * The superswitch primarily operates on some "metadata" that @@ -1115,10 +1137,9 @@ extern struct superswitch { * Return spare criteria for array: * - minimum disk size can be used in array; * - sector size can be used in array. - * Return values: 0 - for success and -EINVAL on error. */ - int (*get_spare_criteria)(struct supertype *st, - struct spare_criteria *sc); + mdadm_status_t (*get_spare_criteria)(struct supertype *st, char *mddev_path, + struct spare_criteria *sc); /* Find somewhere to put a bitmap - possibly auto-size it - and * update the metadata to record this. The array may be newly * created, in which case data_size may be updated, or it might @@ -1166,6 +1187,25 @@ extern struct superswitch { char *subdev, unsigned long long *freesize, int consistency_policy, int verbose); + /** + * test_and_add_drive_policies() - test new and add custom policies from metadata handler. + * @pols: list of currently recorded policies. + * @disk_fd: file descriptor of the device to check. + * @verbose: verbose flag. + * + * Used by IMSM to verify all drives in container/array, against requirements not recored + * in superblock, like controller type for IMSM. It should check all drives even if + * they are not actually used, because mdmon or kernel are free to use any drive assigned to + * container automatically. + * + * Generating and comparison methods belong to metadata handler. It is not mandatory to be + * implemented. + * + * Return: MDADM_STATUS_SUCCESS is expected on success. + */ + mdadm_status_t (*test_and_add_drive_policies)(dev_policy_t **pols, int disk_fd, + const int verbose); + /* Return a linked list of 'mdinfo' structures for all arrays * in the container. For non-containers, it is like * getinfo_super with an allocated mdinfo.*/ @@ -1247,21 +1287,6 @@ extern struct superswitch { */ struct mdinfo *(*activate_spare)(struct active_array *a, struct metadata_update **updates); - /* - * Return statically allocated string that represents metadata specific - * controller domain of the disk. The domain is used in disk domain - * matching functions. Disks belong to the same domain if the they have - * the same domain from mdadm.conf and belong the same metadata domain. - * Returning NULL or not providing this handler means that metadata - * does not distinguish the differences between disks that belong to - * different controllers. They are in the domain specified by - * configuration file (mdadm.conf). - * In case when the metadata has the notion of domains based on disk - * it shall return NULL for disks that do not belong to the controller - * the supported domains. Such disks will form another domain and won't - * be mixed with supported ones. - */ - const char *(*get_disk_controller_domain)(const char *path); /* for external backup area */ int (*recover_backup)(struct supertype *st, struct mdinfo *info); @@ -1368,27 +1393,8 @@ extern struct supertype *dup_super(struct supertype *st); extern int get_dev_size(int fd, char *dname, unsigned long long *sizep); extern int get_dev_sector_size(int fd, char *dname, unsigned int *sectsizep); extern int must_be_container(int fd); -extern int dev_size_from_id(dev_t id, unsigned long long *size); -extern int dev_sector_size_from_id(dev_t id, unsigned int *size); void wait_for(char *dev, int fd); -/* - * Data structures for policy management. - * Each device can have a policy structure that lists - * various name/value pairs each possibly with a metadata associated. - * The policy list is sorted by name/value/metadata - */ -struct dev_policy { - struct dev_policy *next; - char *name; /* None of these strings are allocated. They are - * all just references to strings which are known - * to exist elsewhere. - * name and metadata can be compared by address equality. - */ - const char *metadata; - const char *value; -}; - extern char pol_act[], pol_domain[], pol_metadata[], pol_auto[]; /* iterate over the sublist starting at list, having the same @@ -1430,10 +1436,16 @@ extern struct dev_policy *disk_policy(struct mdinfo *disk); extern struct dev_policy *devid_policy(int devid); extern void dev_policy_free(struct dev_policy *p); -//extern void pol_new(struct dev_policy **pol, char *name, char *val, char *metadata); extern void pol_add(struct dev_policy **pol, char *name, char *val, char *metadata); extern struct dev_policy *pol_find(struct dev_policy *pol, char *name); +extern mdadm_status_t drive_test_and_add_policies(struct supertype *st, dev_policy_t **pols, + int fd, const int verbose); +extern mdadm_status_t sysfs_test_and_add_drive_policies(struct supertype *st, dev_policy_t **pols, + struct mdinfo *mdi, const int verbose); +extern mdadm_status_t mddev_test_and_add_drive_policies(struct supertype *st, dev_policy_t **pols, + int array_fd, const int verbose); + enum policy_action { act_default, act_include, @@ -1661,6 +1673,7 @@ extern char *conf_get_program(void); extern char *conf_get_homehost(int *require_homehostp); extern char *conf_get_homecluster(void); extern int conf_get_monitor_delay(void); +extern bool conf_get_sata_opal_encryption_no_verify(void); extern char *conf_line(FILE *file); extern char *conf_word(FILE *file, int allow_key); extern void print_quoted(char *str); @@ -1685,8 +1698,7 @@ extern const int uuid_zero[4]; extern int same_uuid(int a[4], int b[4], int swapuuid); extern void copy_uuid(void *a, int b[4], int swapuuid); extern char *__fname_from_uuid(int id[4], int swap, char *buf, char sep); -extern char *fname_from_uuid(struct supertype *st, - struct mdinfo *info, char *buf, char sep); +extern char *fname_from_uuid(struct mdinfo *info, char *buf); extern unsigned long calc_csum(void *super, int bytes); extern int enough(int level, int raid_disks, int layout, int clean, char *avail); @@ -1708,6 +1720,9 @@ extern int assemble_container_content(struct supertype *st, int mdfd, #define INCR_UNSAFE 2 #define INCR_ALREADY 4 #define INCR_YES 8 + +extern bool devid_matches_criteria(struct supertype *st, dev_t devid, struct spare_criteria *sc); +extern bool disk_fd_matches_criteria(struct supertype *st, int disk_fd, struct spare_criteria *sc); extern struct mdinfo *container_choose_spares(struct supertype *st, struct spare_criteria *criteria, struct domainlist *domlist, @@ -1856,11 +1871,10 @@ static inline char *to_subarray(struct mdstat_ent *ent, char *container) */ static inline sighandler_t signal_s(int sig, sighandler_t handler) { - struct sigaction new_act; - struct sigaction old_act; + struct sigaction new_act = {0}; + struct sigaction old_act = {0}; new_act.sa_handler = handler; - new_act.sa_flags = 0; if (sigaction(sig, &new_act, &old_act) == 0) return old_act.sa_handler; @@ -1899,6 +1913,8 @@ static inline int xasprintf(char **strp, const char *fmt, ...) { #define pr_info(fmt, args...) printf("%s: "fmt, Name, ##args) +#define pr_vrb(fmt, arg...) ((void)(verbose && pr_err(fmt, ##arg))) + void *xmalloc(size_t len); void *xrealloc(void *ptr, size_t len); void *xcalloc(size_t num, size_t size); |