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Merging upstream version 4.3+20240412.

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Signed-off-by: Daniel Baumann <daniel@debian.org>
This commit is contained in:
Daniel Baumann 2025-02-14 06:34:22 +01:00
parent 8e1e76d6e6
commit 9a795ca236
Signed by: daniel
GPG key ID: FBB4F0E80A80222F
67 changed files with 2247 additions and 2747 deletions
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58
sysfs.c
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@ -74,6 +74,29 @@ void sysfs_free(struct mdinfo *sra)
}
}
/**
* sysfs_get_container_devnm() - extract container device name.
* @mdi: md_info describes member array, with GET_VERSION option.
* @buf: buf to fill, must be MD_NAME_MAX.
*
* External array version is in format {/,-}<container_devnm>/<array_index>
* Extract container_devnm from it and safe it in @buf.
*/
void sysfs_get_container_devnm(struct mdinfo *mdi, char *buf)
{
char *p;
assert(is_subarray(mdi->text_version));
/* Skip first special sign */
snprintf(buf, MD_NAME_MAX, "%s", mdi->text_version + 1);
/* Remove array index */
p = strchr(buf, '/');
if (p)
*p = 0;
}
int sysfs_open(char *devnm, char *devname, char *attr)
{
char fname[MAX_SYSFS_PATH_LEN];
@ -655,7 +678,7 @@ int sysfs_set_safemode(struct mdinfo *sra, unsigned long ms)
return sysfs_set_str(sra, NULL, "safe_mode_delay", delay);
}
int sysfs_set_array(struct mdinfo *info, int vers)
int sysfs_set_array(struct mdinfo *info)
{
int rv = 0;
char ver[100];
@ -679,9 +702,7 @@ int sysfs_set_array(struct mdinfo *info, int vers)
if (strlen(buf) >= 9 && buf[9] == '-')
ver[9] = '-';
if ((vers % 100) < 2 ||
sysfs_set_str(info, NULL, "metadata_version",
ver) < 0) {
if (sysfs_set_str(info, NULL, "metadata_version", ver) < 0) {
pr_err("This kernel does not support external metadata.\n");
return 1;
}
@ -1100,3 +1121,32 @@ void sysfsline(char *line)
sr->next = sysfs_rules;
sysfs_rules = sr;
}
/**
* sysfs_is_libata_allow_tpm_enabled() - check if libata allow_tmp is enabled.
* @verbose: verbose flag.
*
* Check if libata allow_tmp flag is set, this is required for SATA Opal Security commands to work.
*
* Return: true if allow_tpm enable, false otherwise.
*/
bool sysfs_is_libata_allow_tpm_enabled(const int verbose)
{
const char *path = "/sys/module/libata/parameters/allow_tpm";
const char *expected_value = "1";
int fd = open(path, O_RDONLY);
char buf[3];
if (!is_fd_valid(fd)) {
pr_vrb("Failed open file descriptor to %s. Cannot check libata allow_tpm param.\n",
path);
return false;
}
sysfs_fd_get_str(fd, buf, sizeof(buf));
close(fd);
if (strncmp(buf, expected_value, 1) == 0)
return true;
return false;
}