net/i40e/base: add defines related to DDP

[dpdk.git] / drivers / net / i40e / base / i40e_adminq.c

diff --git a/drivers/net/i40e/base/i40e_adminq.c b/drivers/net/i40e/base/i40e_adminq.c
index 235667d..27c82d9 100644 (file)
--- a/drivers/net/i40e/base/i40e_adminq.c
+++ b/drivers/net/i40e/base/i40e_adminq.c
@@ -652,8 +652,10 @@ enum i40e_status_code i40e_init_adminq(struct i40e_hw *hw)
 {
        struct i40e_adminq_info *aq = &hw->aq;
        enum i40e_status_code ret_code;
-       u16 cfg_ptr, oem_hi, oem_lo;
-       u16 eetrack_lo, eetrack_hi;
+       u16 oem_hi = 0, oem_lo = 0;
+       u16 eetrack_hi = 0;
+       u16 eetrack_lo = 0;
+       u16 cfg_ptr = 0;
        int retry = 0;
 
        /* verify input for valid configuration */
@@ -838,7 +840,7 @@ STATIC bool i40e_asq_done(struct i40e_hw *hw)
 }
 
 /**
- *  i40e_asq_send_command - send command to Admin Queue
+ *  i40e_asq_send_command_exec - send command to Admin Queue
  *  @hw: pointer to the hw struct
  *  @desc: prefilled descriptor describing the command (non DMA mem)
  *  @buff: buffer to use for indirect commands
@@ -848,11 +850,12 @@ STATIC bool i40e_asq_done(struct i40e_hw *hw)
  *  This is the main send command driver routine for the Admin Queue send
  *  queue.  It runs the queue, cleans the queue, etc
  **/
-enum i40e_status_code i40e_asq_send_command(struct i40e_hw *hw,
-                               struct i40e_aq_desc *desc,
-                               void *buff, /* can be NULL */
-                               u16  buff_size,
-                               struct i40e_asq_cmd_details *cmd_details)
+STATIC enum i40e_status_code
+i40e_asq_send_command_exec(struct i40e_hw *hw,
+                          struct i40e_aq_desc *desc,
+                          void *buff, /* can be NULL */
+                          u16  buff_size,
+                          struct i40e_asq_cmd_details *cmd_details)
 {
        enum i40e_status_code status = I40E_SUCCESS;
        struct i40e_dma_mem *dma_buff = NULL;
@@ -862,8 +865,6 @@ enum i40e_status_code i40e_asq_send_command(struct i40e_hw *hw,
        u16  retval = 0;
        u32  val = 0;
 
-       i40e_acquire_spinlock(&hw->aq.asq_spinlock);
-
        hw->aq.asq_last_status = I40E_AQ_RC_OK;
 
        if (hw->aq.asq.count == 0) {
@@ -1046,6 +1047,64 @@ enum i40e_status_code i40e_asq_send_command(struct i40e_hw *hw,
        }
 
 asq_send_command_error:
+       return status;
+}
+
+/**
+ *  i40e_asq_send_command - send command to Admin Queue
+ *  @hw: pointer to the hw struct
+ *  @desc: prefilled descriptor describing the command (non DMA mem)
+ *  @buff: buffer to use for indirect commands
+ *  @buff_size: size of buffer for indirect commands
+ *  @cmd_details: pointer to command details structure
+ *
+ *  Acquires the lock and calls the main send command execution
+ *  routine.
+ **/
+enum i40e_status_code
+i40e_asq_send_command(struct i40e_hw *hw,
+                     struct i40e_aq_desc *desc,
+                     void *buff, /* can be NULL */
+                     u16  buff_size,
+                     struct i40e_asq_cmd_details *cmd_details)
+{
+       enum i40e_status_code status = I40E_SUCCESS;
+
+       i40e_acquire_spinlock(&hw->aq.asq_spinlock);
+       status = i40e_asq_send_command_exec(hw, desc, buff, buff_size,
+                                           cmd_details);
+       i40e_release_spinlock(&hw->aq.asq_spinlock);
+       return status;
+}
+
+/**
+ *  i40e_asq_send_command_v2 - send command to Admin Queue
+ *  @hw: pointer to the hw struct
+ *  @desc: prefilled descriptor describing the command (non DMA mem)
+ *  @buff: buffer to use for indirect commands
+ *  @buff_size: size of buffer for indirect commands
+ *  @cmd_details: pointer to command details structure
+ *  @aq_status: pointer to Admin Queue status return value
+ *
+ *  Acquires the lock and calls the main send command execution
+ *  routine. Returns the last Admin Queue status in aq_status
+ *  to avoid race conditions in access to hw->aq.asq_last_status.
+ **/
+enum i40e_status_code
+i40e_asq_send_command_v2(struct i40e_hw *hw,
+                        struct i40e_aq_desc *desc,
+                        void *buff, /* can be NULL */
+                        u16  buff_size,
+                        struct i40e_asq_cmd_details *cmd_details,
+                        enum i40e_admin_queue_err *aq_status)
+{
+       enum i40e_status_code status = I40E_SUCCESS;
+
+       i40e_acquire_spinlock(&hw->aq.asq_spinlock);
+       status = i40e_asq_send_command_exec(hw, desc, buff, buff_size,
+                                           cmd_details);
+       if (aq_status)
+               *aq_status = hw->aq.asq_last_status;
        i40e_release_spinlock(&hw->aq.asq_spinlock);
        return status;
 }