#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);
+}
+
+/* make u16 wide id out of u8 group and opcode */
+#define WIDE_ID(grp, opcode) ((grp << 8) | opcode)
+
+/* due to the conversion, this group is special; new groups
+ * should be defined in the appropriate fw-api header files
+ */
+#define IWL_ALWAYS_LONG_GROUP 1
+
/**
* 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
* @CMD_MAKE_TRANS_IDLE: The command response should mark the trans as idle.
* @CMD_WAKE_UP_TRANS: The command response should wake up the trans
* (i.e. mark it as non-idle).
+ * @CMD_TB_BITMAP_POS: Position of the first bit for the TB bitmap. We need to
+ * check that we leave enough room for the TBs bitmap which needs 20 bits.
*/
enum CMD_MODE {
CMD_ASYNC = BIT(0),
CMD_SEND_IN_IDLE = BIT(4),
CMD_MAKE_TRANS_IDLE = BIT(5),
CMD_WAKE_UP_TRANS = BIT(6),
+
+ CMD_TB_BITMAP_POS = 11,
};
#define DEF_CMD_PAYLOAD_SIZE 320
* 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)
#define IWL_MAX_HW_QUEUES 32
#define IWL_MAX_TID_COUNT 8
#define IWL_FRAME_LIMIT 64
+#define IWL_MAX_RX_HW_QUEUES 16
/**
* enum iwl_wowlan_status - WoWLAN image/device status
* @STATUS_TRANS_GOING_IDLE: shutting down the trans, only special commands
* are sent
* @STATUS_TRANS_IDLE: the trans is idle - general commands are not to be sent
+ * @STATUS_TRANS_DEAD: trans is dead - avoid any read/write operation
*/
enum iwl_trans_status {
STATUS_SYNC_HCMD_ACTIVE,
STATUS_FW_ERROR,
STATUS_TRANS_GOING_IDLE,
STATUS_TRANS_IDLE,
+ STATUS_TRANS_DEAD,
};
/**
* @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;
u32 value);
void (*ref)(struct iwl_trans *trans);
void (*unref)(struct iwl_trans *trans);
- void (*suspend)(struct iwl_trans *trans);
+ int (*suspend)(struct iwl_trans *trans);
void (*resume)(struct iwl_trans *trans);
- struct iwl_trans_dump_data *(*dump_data)(struct iwl_trans *trans);
+ struct iwl_trans_dump_data *(*dump_data)(struct iwl_trans *trans,
+ struct iwl_fw_dbg_trigger_tlv
+ *trigger);
};
/**
* @cfg - pointer to the configuration
* @status: a bit-mask of transport status flags
* @dev - pointer to struct device * that represents the device
+ * @max_skb_frags: maximum number of fragments an SKB can have when transmitted.
+ * 0 indicates that frag SKBs (NETIF_F_SG) aren't supported.
* @hw_id: a u32 with the ID of the device / sub-device.
* Set during transport allocation.
* @hw_id_str: a string with info about HW ID. Set during transport allocation.
* @pm_support: set to true in start_hw if link pm is supported
* @ltr_enabled: set to true if the LTR is enabled
+ * @num_rx_queues: number of RX queues allocated by the transport;
+ * the transport must set this before calling iwl_drv_start()
* @dev_cmd_pool: pool for Tx cmd allocation - for internal use only.
* The user should use iwl_trans_{alloc,free}_tx_cmd.
* @dev_cmd_headroom: room needed for the transport's private use before the
* @dbg_conf_tlv: array of pointers to configuration TLVs for debug
* @dbg_trigger_tlv: array of pointers to triggers TLVs for debug
* @dbg_dest_reg_num: num of reg_ops in %dbg_dest_tlv
+ * @paging_req_addr: The location were the FW will upload / download the pages
+ * from. The address is set by the opmode
+ * @paging_db: Pointer to the opmode paging data base, the pointer is set by
+ * the opmode.
+ * @paging_download_buf: Buffer used for copying all of the pages before
+ * downloading them to the FW. The buffer is allocated in the opmode
*/
struct iwl_trans {
const struct iwl_trans_ops *ops;
unsigned long status;
struct device *dev;
+ u32 max_skb_frags;
u32 hw_rev;
u32 hw_id;
char hw_id_str[52];
bool pm_support;
bool ltr_enabled;
+ u8 num_rx_queues;
+
/* The following fields are internal only */
struct kmem_cache *dev_cmd_pool;
size_t dev_cmd_headroom;
struct iwl_fw_dbg_trigger_tlv * const *dbg_trigger_tlv;
u8 dbg_dest_reg_num;
+ /*
+ * Paging parameters - All of the parameters should be set by the
+ * opmode when paging is enabled
+ */
+ u32 paging_req_addr;
+ struct iwl_fw_paging *paging_db;
+ void *paging_download_buf;
+
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 *));
static inline void iwl_trans_d3_suspend(struct iwl_trans *trans, bool test)
{
might_sleep();
- trans->ops->d3_suspend(trans, test);
+ if (trans->ops->d3_suspend)
+ trans->ops->d3_suspend(trans, test);
}
static inline int iwl_trans_d3_resume(struct iwl_trans *trans,
bool test)
{
might_sleep();
+ if (!trans->ops->d3_resume)
+ return 0;
+
return trans->ops->d3_resume(trans, status, test);
}
trans->ops->unref(trans);
}
-static inline void iwl_trans_suspend(struct iwl_trans *trans)
+static inline int iwl_trans_suspend(struct iwl_trans *trans)
{
- if (trans->ops->suspend)
- trans->ops->suspend(trans);
+ if (!trans->ops->suspend)
+ return 0;
+
+ return trans->ops->suspend(trans);
}
static inline void iwl_trans_resume(struct iwl_trans *trans)
}
static inline struct iwl_trans_dump_data *
-iwl_trans_dump_data(struct iwl_trans *trans)
+iwl_trans_dump_data(struct iwl_trans *trans,
+ struct iwl_fw_dbg_trigger_tlv *trigger)
{
if (!trans->ops->dump_data)
return NULL;
- return trans->ops->dump_data(trans);
+ return trans->ops->dump_data(trans, trigger);
}
static inline int iwl_trans_send_cmd(struct iwl_trans *trans,
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__ */
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