iwlwifi: split fw-error-dump between transport and mvm

[deliverable/linux.git] / drivers / net / wireless / iwlwifi / iwl-trans.h

diff --git a/drivers/net/wireless/iwlwifi/iwl-trans.h b/drivers/net/wireless/iwlwifi/iwl-trans.h
index 8cdb0dd618a6fdfcc8d57095e41974e6e22984ab..656371a668daa5e2325e45fe0b576fc3e13bd307 100644 (file)
--- a/drivers/net/wireless/iwlwifi/iwl-trans.h
+++ b/drivers/net/wireless/iwlwifi/iwl-trans.h
@@ -189,10 +189,9 @@ static inline u32 iwl_rx_packet_payload_len(const struct iwl_rx_packet *pkt)
 /**
  * enum CMD_MODE - how to send the host commands ?
  *
- * @CMD_SYNC: The caller will be stalled until the fw responds to the command
  * @CMD_ASYNC: Return right away and don't wait for the response
- * @CMD_WANT_SKB: valid only with CMD_SYNC. The caller needs the buffer of the
- *     response. The caller needs to call iwl_free_resp when done.
+ * @CMD_WANT_SKB: Not valid with CMD_ASYNC. The caller needs the buffer of
+ *     the response. The caller needs to call iwl_free_resp when done.
  * @CMD_HIGH_PRIO: The command is high priority - it goes to the front of the
  *     command queue, but after other high priority commands. valid only
  *     with CMD_ASYNC.
@@ -202,7 +201,6 @@ static inline u32 iwl_rx_packet_payload_len(const struct iwl_rx_packet *pkt)
  *     (i.e. mark it as non-idle).
  */
 enum CMD_MODE {
-       CMD_SYNC                = 0,
        CMD_ASYNC               = BIT(0),
        CMD_WANT_SKB            = BIT(1),
        CMD_SEND_IN_RFKILL      = BIT(2),
@@ -396,6 +394,11 @@ struct iwl_trans_config {
        const char *const *command_names;
 };
 
+struct iwl_trans_dump_data {
+       u32 len;
+       u8 data[];
+};
+
 struct iwl_trans;
 
 /**
@@ -427,7 +430,7 @@ struct iwl_trans;
  * @send_cmd:send a host command. Must return -ERFKILL if RFkill is asserted.
  *     If RFkill is asserted in the middle of a SYNC host command, it must
  *     return -ERFKILL straight away.
- *     May sleep only if CMD_SYNC is set
+ *     May sleep only if CMD_ASYNC is not set
  * @tx: send an skb
  *     Must be atomic
  * @reclaim: free packet until ssn. Returns a list of freed packets.
@@ -437,8 +440,7 @@ struct iwl_trans;
  *     this one. The op_mode must not configure the HCMD queue. May sleep.
  * @txq_disable: de-configure a Tx queue to send AMPDUs
  *     Must be atomic
- * @wait_tx_queue_empty: wait until all tx queues are empty
- *     May sleep
+ * @wait_tx_queue_empty: wait until tx queues are empty. May sleep.
  * @dbgfs_register: add the dbgfs files under this directory. Files will be
  *     automatically deleted.
  * @write8: write a u8 to a register at offset ofs from the BAR
@@ -464,6 +466,9 @@ struct iwl_trans;
  * @unref: release a reference previously taken with @ref. Note that
  *     initially the reference count is 1, making an initial @unref
  *     necessary to allow low power states.
+ * @dump_data: return a vmalloc'ed buffer with debug data, maybe containing last
+ *     TX'ed commands and similar. The buffer will be vfree'd by the caller.
+ *     Note that the transport must fill in the proper file headers.
  */
 struct iwl_trans_ops {
 
@@ -471,6 +476,8 @@ struct iwl_trans_ops {
        void (*op_mode_leave)(struct iwl_trans *iwl_trans);
        int (*start_fw)(struct iwl_trans *trans, const struct fw_img *fw,
                        bool run_in_rfkill);
+       int (*update_sf)(struct iwl_trans *trans,
+                        struct iwl_sf_region *st_fwrd_space);
        void (*fw_alive)(struct iwl_trans *trans, u32 scd_addr);
        void (*stop_device)(struct iwl_trans *trans);
 
@@ -490,7 +497,7 @@ struct iwl_trans_ops {
        void (*txq_disable)(struct iwl_trans *trans, int queue);
 
        int (*dbgfs_register)(struct iwl_trans *trans, struct dentry* dir);
-       int (*wait_tx_queue_empty)(struct iwl_trans *trans);
+       int (*wait_tx_queue_empty)(struct iwl_trans *trans, u32 txq_bm);
 
        void (*write8)(struct iwl_trans *trans, u32 ofs, u8 val);
        void (*write32)(struct iwl_trans *trans, u32 ofs, u32 val);
@@ -512,6 +519,10 @@ struct iwl_trans_ops {
                              u32 value);
        void (*ref)(struct iwl_trans *trans);
        void (*unref)(struct iwl_trans *trans);
+
+#ifdef CONFIG_IWLWIFI_DEBUGFS
+       struct iwl_trans_dump_data *(*dump_data)(struct iwl_trans *trans);
+#endif
 };
 
 /**
@@ -630,6 +641,17 @@ static inline int iwl_trans_start_fw(struct iwl_trans *trans,
        return trans->ops->start_fw(trans, fw, run_in_rfkill);
 }
 
+static inline int iwl_trans_update_sf(struct iwl_trans *trans,
+                                     struct iwl_sf_region *st_fwrd_space)
+{
+       might_sleep();
+
+       if (trans->ops->update_sf)
+               return trans->ops->update_sf(trans, st_fwrd_space);
+
+       return 0;
+}
+
 static inline void iwl_trans_stop_device(struct iwl_trans *trans)
 {
        might_sleep();
@@ -665,6 +687,16 @@ static inline void iwl_trans_unref(struct iwl_trans *trans)
                trans->ops->unref(trans);
 }
 
+#ifdef CONFIG_IWLWIFI_DEBUGFS
+static inline struct iwl_trans_dump_data *
+iwl_trans_dump_data(struct iwl_trans *trans)
+{
+       if (!trans->ops->dump_data)
+               return NULL;
+       return trans->ops->dump_data(trans);
+}
+#endif
+
 static inline int iwl_trans_send_cmd(struct iwl_trans *trans,
                                     struct iwl_host_cmd *cmd)
 {
@@ -678,7 +710,7 @@ static inline int iwl_trans_send_cmd(struct iwl_trans *trans,
                return -EIO;
 
        if (unlikely(trans->state != IWL_TRANS_FW_ALIVE)) {
-               IWL_ERR(trans, "%s bad state = %d", __func__, trans->state);
+               IWL_ERR(trans, "%s bad state = %d\n", __func__, trans->state);
                return -EIO;
        }
 
@@ -720,7 +752,7 @@ static inline int iwl_trans_tx(struct iwl_trans *trans, struct sk_buff *skb,
                return -EIO;
 
        if (unlikely(trans->state != IWL_TRANS_FW_ALIVE))
-               IWL_ERR(trans, "%s bad state = %d", __func__, trans->state);
+               IWL_ERR(trans, "%s bad state = %d\n", __func__, trans->state);
 
        return trans->ops->tx(trans, skb, dev_cmd, queue);
 }
@@ -729,7 +761,7 @@ static inline void iwl_trans_reclaim(struct iwl_trans *trans, int queue,
                                     int ssn, struct sk_buff_head *skbs)
 {
        if (unlikely(trans->state != IWL_TRANS_FW_ALIVE))
-               IWL_ERR(trans, "%s bad state = %d", __func__, trans->state);
+               IWL_ERR(trans, "%s bad state = %d\n", __func__, trans->state);
 
        trans->ops->reclaim(trans, queue, ssn, skbs);
 }
@@ -746,7 +778,7 @@ static inline void iwl_trans_txq_enable(struct iwl_trans *trans, int queue,
        might_sleep();
 
        if (unlikely((trans->state != IWL_TRANS_FW_ALIVE)))
-               IWL_ERR(trans, "%s bad state = %d", __func__, trans->state);
+               IWL_ERR(trans, "%s bad state = %d\n", __func__, trans->state);
 
        trans->ops->txq_enable(trans, queue, fifo, sta_id, tid,
                                 frame_limit, ssn);
@@ -759,12 +791,13 @@ static inline void iwl_trans_ac_txq_enable(struct iwl_trans *trans, int queue,
                             IWL_MAX_TID_COUNT, IWL_FRAME_LIMIT, 0);
 }
 
-static inline int iwl_trans_wait_tx_queue_empty(struct iwl_trans *trans)
+static inline int iwl_trans_wait_tx_queue_empty(struct iwl_trans *trans,
+                                               u32 txq_bm)
 {
        if (unlikely(trans->state != IWL_TRANS_FW_ALIVE))
-               IWL_ERR(trans, "%s bad state = %d", __func__, trans->state);
+               IWL_ERR(trans, "%s bad state = %d\n", __func__, trans->state);
 
-       return trans->ops->wait_tx_queue_empty(trans);
+       return trans->ops->wait_tx_queue_empty(trans, txq_bm);
 }
 
 static inline int iwl_trans_dbgfs_register(struct iwl_trans *trans,