#define INDEX_TO_SEQ(i) ((i) & 0xff)
#define SEQ_RX_FRAME cpu_to_le16(0x8000)
+/*
+ * those functions retrieve specific information from
+ * the id field in the iwl_host_cmd struct which contains
+ * the command id, the group id and the version of the command
+ * and vice versa
+*/
+static inline u8 iwl_cmd_opcode(u32 cmdid)
+{
+ return cmdid & 0xFF;
+}
+
+static inline u8 iwl_cmd_groupid(u32 cmdid)
+{
+ return ((cmdid & 0xFF00) >> 8);
+}
+
+static inline u8 iwl_cmd_version(u32 cmdid)
+{
+ return ((cmdid & 0xFF0000) >> 16);
+}
+
+static inline u32 iwl_cmd_id(u8 opcode, u8 groupid, u8 version)
+{
+ return opcode + (groupid << 8) + (version << 16);
+}
+
/**
* struct iwl_cmd_header
*
*/
struct iwl_cmd_header {
u8 cmd; /* Command ID: REPLY_RXON, etc. */
- u8 flags; /* 0:5 reserved, 6 abort, 7 internal */
+ u8 group_id;
/*
* The driver sets up the sequence number to values of its choosing.
* uCode does not use this value, but passes it back to the driver
__le16 sequence;
} __packed;
-/* iwl_cmd_header flags value */
-#define IWL_CMD_FAILED_MSK 0x40
-
+/**
+ * struct iwl_cmd_header_wide
+ *
+ * This header format appears in the beginning of each command sent from the
+ * driver, and each response/notification received from uCode.
+ * this is the wide version that contains more information about the command
+ * like length, version and command type
+ */
+struct iwl_cmd_header_wide {
+ u8 cmd;
+ u8 group_id;
+ __le16 sequence;
+ __le16 length;
+ u8 reserved;
+ u8 version;
+} __packed;
#define FH_RSCSR_FRAME_SIZE_MSK 0x00003FFF /* bits 0-13 */
#define FH_RSCSR_FRAME_INVALID 0x55550000
* aren't fully copied and use other TFD space.
*/
struct iwl_device_cmd {
- struct iwl_cmd_header hdr; /* uCode API */
- u8 payload[DEF_CMD_PAYLOAD_SIZE];
+ union {
+ struct {
+ struct iwl_cmd_header hdr; /* uCode API */
+ u8 payload[DEF_CMD_PAYLOAD_SIZE];
+ };
+ struct {
+ struct iwl_cmd_header_wide hdr_wide;
+ u8 payload_wide[DEF_CMD_PAYLOAD_SIZE -
+ sizeof(struct iwl_cmd_header_wide) +
+ sizeof(struct iwl_cmd_header)];
+ };
+ };
} __packed;
#define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl_device_cmd))
* @resp_pkt: response packet, if %CMD_WANT_SKB was set
* @_rx_page_order: (internally used to free response packet)
* @_rx_page_addr: (internally used to free response packet)
- * @handler_status: return value of the handler of the command
- * (put in setup_rx_handlers) - valid for SYNC mode only
* @flags: can be CMD_*
* @len: array of the lengths of the chunks in data
* @dataflags: IWL_HCMD_DFL_*
- * @id: id of the host command
+ * @id: command id of the host command, for wide commands encoding the
+ * version and group as well
*/
struct iwl_host_cmd {
const void *data[IWL_MAX_CMD_TBS_PER_TFD];
struct iwl_rx_packet *resp_pkt;
unsigned long _rx_page_addr;
u32 _rx_page_order;
- int handler_status;
u32 flags;
+ u32 id;
u16 len[IWL_MAX_CMD_TBS_PER_TFD];
u8 dataflags[IWL_MAX_CMD_TBS_PER_TFD];
- u8 id;
};
static inline void iwl_free_resp(struct iwl_host_cmd *cmd)
* @bc_table_dword: set to true if the BC table expects the byte count to be
* in DWORD (as opposed to bytes)
* @scd_set_active: should the transport configure the SCD for HCMD queue
+ * @wide_cmd_header: firmware supports wide host command header
* @command_names: array of command names, must be 256 entries
* (one for each command); for debugging only
* @sdio_adma_addr: the default address to set for the ADMA in SDIO mode until
bool rx_buf_size_8k;
bool bc_table_dword;
bool scd_set_active;
+ bool wide_cmd_header;
const char *const *command_names;
u32 sdio_adma_addr;
enum iwl_d0i3_mode d0i3_mode;
+ bool wowlan_d0i3;
+
/* pointer to trans specific struct */
/*Ensure that this pointer will always be aligned to sizeof pointer */
char trans_specific[0] __aligned(sizeof(void *));
iwl_op_mode_nic_error(trans->op_mode);
}
+/*****************************************************
+ * transport helper functions
+ *****************************************************/
+struct iwl_trans *iwl_trans_alloc(unsigned int priv_size,
+ struct device *dev,
+ const struct iwl_cfg *cfg,
+ const struct iwl_trans_ops *ops,
+ size_t dev_cmd_headroom);
+void iwl_trans_free(struct iwl_trans *trans);
+
/*****************************************************
* driver (transport) register/unregister functions
******************************************************/
int __must_check iwl_pci_register_driver(void);
void iwl_pci_unregister_driver(void);
-static inline void trans_lockdep_init(struct iwl_trans *trans)
-{
-#ifdef CONFIG_LOCKDEP
- static struct lock_class_key __key;
-
- lockdep_init_map(&trans->sync_cmd_lockdep_map, "sync_cmd_lockdep_map",
- &__key, 0);
-#endif
-}
-
#endif /* __iwl_trans_h__ */