]> git.ipfire.org Git - thirdparty/mdadm.git/blobdiff - platform-intel.c
mdadm.h: Introduced unaligned {get,put}_unaligned{16,32}()
[thirdparty/mdadm.git] / platform-intel.c
index c60fd9e3bc63c471b8669f64da807c0aa9a8b51c..04bffc57accf483a64e570db705b3865f8acfd93 100644 (file)
@@ -48,9 +48,9 @@ static void free_sys_dev(struct sys_dev **list)
 struct sys_dev *find_driver_devices(const char *bus, const char *driver)
 {
        /* search sysfs for devices driven by 'driver' */
-       char path[292];
-       char link[256];
-       char *c;
+       char path[PATH_MAX];
+       char link[PATH_MAX];
+       char *c, *p;
        DIR *driver_dir;
        struct dirent *de;
        struct sys_dev *head = NULL;
@@ -123,6 +123,22 @@ struct sys_dev *find_driver_devices(const char *bus, const char *driver)
                if (devpath_to_ll(path, "class", &class) != 0)
                        continue;
 
+               /*
+                * Each VMD device (domain) adds separate PCI bus, it is better
+                * to store path as a path to that bus (easier further
+                * determination which NVMe dev is connected to this particular
+                * VMD domain).
+                */
+               if (type == SYS_DEV_VMD) {
+                       sprintf(path, "/sys/bus/%s/drivers/%s/%s/domain/device",
+                               bus, driver, de->d_name);
+               }
+               p = realpath(path, NULL);
+               if (p == NULL) {
+                       pr_err("Unable to get real path for '%s'\n", path);
+                       continue;
+               }
+
                /* start / add list entry */
                if (!head) {
                        head = xmalloc(sizeof(*head));
@@ -140,16 +156,9 @@ struct sys_dev *find_driver_devices(const char *bus, const char *driver)
                list->dev_id = (__u16) dev_id;
                list->class = (__u32) class;
                list->type = type;
-               /* Each VMD device (domain) adds separate PCI bus, it is better to
-                * store path as a path to that bus (easier further determination which
-                * NVMe dev is connected to this particular VMD domain).
-                */
-               if (type == SYS_DEV_VMD) {
-                       sprintf(path, "/sys/bus/%s/drivers/%s/%s/domain/device",
-                       bus, driver, de->d_name);
-               }
-               list->path = realpath(path, NULL);
                list->next = NULL;
+               list->path = p;
+
                if ((list->pci_id = strrchr(list->path, '/')) != NULL)
                        list->pci_id++;
        }
@@ -178,6 +187,16 @@ struct sys_dev *device_by_id(__u16 device_id)
        return NULL;
 }
 
+struct sys_dev *device_by_id_and_path(__u16 device_id, const char *path)
+{
+       struct sys_dev *iter;
+
+       for (iter = intel_devices; iter != NULL; iter = iter->next)
+               if ((iter->dev_id == device_id) && strstr(iter->path, path))
+                       return iter;
+       return NULL;
+}
+
 static int devpath_to_ll(const char *dev_path, const char *entry, unsigned long long *val)
 {
        char path[strlen(dev_path) + strlen(entry) + 2];
@@ -352,6 +371,9 @@ static int scan(const void *start, const void *end, const void *data)
        if (__le16_to_cpu(ptr->vendorID) != 0x8086)
                return 0;
 
+       if (get_orom_by_device_id(ptr->deviceID))
+               return 0;
+
        for (offset = 0; offset < len; offset += 4) {
                const void *mem = start + offset;
 
@@ -529,8 +551,8 @@ static int read_efi_variable(void *buffer, ssize_t buf_size, char *variable_name
 
        errno = 0;
        var_data_len = strtoul(buf, NULL, 16);
-       if ((errno == ERANGE && (var_data_len == LONG_MAX))
-           || (errno != 0 && var_data_len == 0))
+       if ((errno == ERANGE && (var_data_len == LONG_MAX)) ||
+           (errno != 0 && var_data_len == 0))
                return 1;
 
        /* get data */