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Add API to get integrity current failure count for dm-integrity.

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This commit is contained in:
Milan Broz
2018-04-24 08:51:32 +02:00
parent 7c70e6ce74
commit 30754473fc
6 changed files with 60 additions and 2 deletions
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23
lib/libdevmapper.c
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@@ -1365,6 +1365,29 @@ int dm_status_verity_ok(struct crypt_device *cd, const char *name)
return r;
}
int dm_status_integrity_failures(struct crypt_device *cd, const char *name, uint64_t *count)
{
int r;
struct dm_info dmi;
char *status_line = NULL;
if (dm_init_context(cd, DM_INTEGRITY))
return -ENOTSUP;
r = dm_status_dmi(name, &dmi, DM_INTEGRITY_TARGET, &status_line);
if (r < 0 || !status_line) {
free(status_line);
return r;
}
log_dbg("Integrity volume %s failure status is %s.", name, status_line ?: "");
*count = strtoull(status_line, NULL, 10);
free(status_line);
dm_exit_context();
return 0;
}
/* FIXME use hex wrapper, user val wrappers for line parsing */
static int _dm_query_crypt(uint32_t get_flags,
struct dm_info *dmi,