diff options
| -rw-r--r-- | drivers/sysinfo/sysinfo-uclass.c | 29 | ||||
| -rw-r--r-- | include/sysinfo.h | 63 |
2 files changed, 92 insertions, 0 deletions
diff --git a/drivers/sysinfo/sysinfo-uclass.c b/drivers/sysinfo/sysinfo-uclass.c index 3c0cd51273e..f04998ef8bb 100644 --- a/drivers/sysinfo/sysinfo-uclass.c +++ b/drivers/sysinfo/sysinfo-uclass.c @@ -119,6 +119,35 @@ int sysinfo_get_data(struct udevice *dev, int id, void **data, size_t *size) return ops->get_data(dev, id, data, size); } +int sysinfo_get_item_count(struct udevice *dev, int id) +{ + struct sysinfo_priv *priv = dev_get_uclass_priv(dev); + struct sysinfo_ops *ops = sysinfo_get_ops(dev); + + if (!priv->detected) + return -EPERM; + + if (!ops->get_item_count) + return -ENOSYS; + + return ops->get_item_count(dev, id); +} + +int sysinfo_get_data_by_index(struct udevice *dev, int id, int index, + void **data, size_t *size) +{ + struct sysinfo_priv *priv = dev_get_uclass_priv(dev); + struct sysinfo_ops *ops = sysinfo_get_ops(dev); + + if (!priv->detected) + return -EPERM; + + if (!ops->get_data_by_index) + return -ENOSYS; + + return ops->get_data_by_index(dev, id, index, data, size); +} + UCLASS_DRIVER(sysinfo) = { .id = UCLASS_SYSINFO, .name = "sysinfo", diff --git a/include/sysinfo.h b/include/sysinfo.h index 14e923c6589..2866ac293cb 100644 --- a/include/sysinfo.h +++ b/include/sysinfo.h @@ -152,6 +152,7 @@ enum sysinfo_id { /* For show_board_info() */ SYSID_BOARD_MODEL, SYSID_BOARD_MANUFACTURER, + SYSID_BOARD_MAC_ADDR, SYSID_PRIOR_STAGE_VERSION, SYSID_PRIOR_STAGE_DATE, @@ -222,6 +223,30 @@ struct sysinfo_ops { int (*get_data)(struct udevice *dev, int id, void **data, size_t *size); /** + * get_item_count() - Get the item count of the specific data area that + * describes the hardware setup. + * @dev: The sysinfo instance to gather the data. + * @id: A unique identifier for the data area to be get. + * + * Return: non-negative item count if OK, -ve on error. + */ + int (*get_item_count)(struct udevice *dev, int id); + + /** + * get_data_by_index() - Get a data value by index from the platform. + * + * @dev: The sysinfo instance to gather the data. + * @id: A unique identifier for the data area to be get. + * @index: The item index, starting from 0. + * @data: Pointer to the address of the data area. + * @size: Pointer to the size of the data area. + * + * Return: 0 if OK, -ve on error. + */ + int (*get_data_by_index)(struct udevice *dev, int id, int index, + void **data, size_t *size); + + /** * get_fit_loadable - Get the name of an image to load from FIT * This function can be used to provide the image names based on runtime * detection. A classic use-case would when DTBOs are used to describe @@ -305,6 +330,32 @@ int sysinfo_get_str(struct udevice *dev, int id, size_t size, char *val); int sysinfo_get_data(struct udevice *dev, int id, void **data, size_t *size); /** + * sysinfo_get_item_count() - Get the item count of the specific data area that + * describes the hardware setup. + * @dev: The sysinfo instance to gather the data. + * @id: A unique identifier for the data area to be get. + * + * Return: non-negative item count if OK, -EPERM if called before + * sysinfo_detect(), else -ve on error. + */ +int sysinfo_get_item_count(struct udevice *dev, int id); + +/** + * sysinfo_get_data_by_index() - Get a data value by index from the platform. + * + * @dev: The sysinfo instance to gather the data. + * @id: A unique identifier for the data area to be get. + * @index: The item index, starting from 0. + * @data: Pointer to the address of the data area. + * @size: Pointer to the size of the data area. + * + * Return: 0 if OK, -EPERM if called before sysinfo_detect(), else -ve on + * error. + */ +int sysinfo_get_data_by_index(struct udevice *dev, int id, int index, + void **data, size_t *size); + +/** * sysinfo_get() - Return the sysinfo device for the sysinfo in question. * @devp: Pointer to structure to receive the sysinfo device. * @@ -365,6 +416,18 @@ static inline int sysinfo_get_data(struct udevice *dev, int id, void **data, return -ENOSYS; } +static inline int sysinfo_get_item_count(struct udevice *dev, int id) +{ + return -ENOSYS; +} + +static inline int sysinfo_get_data_by_index(struct udevice *dev, int id, + int index, void **data, + size_t *size) +{ + return -ENOSYS; +} + static inline int sysinfo_get(struct udevice **devp) { return -ENOSYS; |