17  * Send message to VF driver (0x0802) using mailbox
135 /* The mailbox overflow detection algorithm helps to check if there
138  * 1. The mailbox snapshot structure, ice_mbx_snapshot, is initialized during
141  * messages within the mailbox queue while looking for a malicious VF.
143  * 2. When the caller starts processing its mailbox queue in response to an
171  * in ice_mbx_snapshot for every new mailbox interrupt handled.
183  * ice_mbx_traverse - Pass through mailbox snapshot
187  * Traversing the mailbox static snapshot without checking
199 	/* As mailbox buffer is circular, applying a mask  in ice_mbx_traverse()
205 	 * Condition-1: If the number of iterations in the mailbox is equal to  in ice_mbx_traverse()
206 	 * the mailbox head which would indicate that we have reached the end  in ice_mbx_traverse()
208 	 * Condition-2: If the maximum messages serviced in the mailbox for a  in ice_mbx_traverse()
212 	 * to the maximum number of mailbox entries serviced in current work item.  in ice_mbx_traverse()
247 	/* continue to iterate through the mailbox snapshot */  in ice_mbx_detect_malvf()
254  * ice_mbx_reset_snapshot - Reset mailbox snapshot structure
255  * @snap: pointer to mailbox snapshot structure in the ice_hw struct
257  * Reset the mailbox snapshot structure and clear VF counter array.
272 	/* Reset mailbox snapshot for a new capture. */  in ice_mbx_reset_snapshot()
280  * @mbx_data: pointer to structure containing mailbox data
288  * snapshot. The data from any previous mailbox snapshot is
289  * cleared and a new capture of the mailbox head and tail is
314 	/* When entering the mailbox state machine assume that the VF  in ice_mbx_vf_state_handler()
326 	 * set for the number of asynchronous messages a VF can send to mailbox  in ice_mbx_vf_state_handler()
328 	 * mailbox serviced in current interrupt.  in ice_mbx_vf_state_handler()
339 		/* Clear any previously held data in mailbox snapshot structure. */  in ice_mbx_vf_state_handler()
344 		 * Mailbox for current interrupt.  in ice_mbx_vf_state_handler()
350 		/* Capture a new static snapshot of the mailbox by logging the  in ice_mbx_vf_state_handler()
361 		 * mailbox queue. Comparing this value against the watermark  in ice_mbx_vf_state_handler()
406  * detected in any previous mailbox iterations.
432  * @snap: pointer to the mailbox snapshot structure
461 	/* Clear the VF counter in the mailbox snapshot structure for that VF ID.  in ice_mbx_clear_malvf()
465 	 * values in the mailbox overflow detection algorithm.  in ice_mbx_clear_malvf()
473  * ice_mbx_init_snapshot - Initialize mailbox snapshot structure
477  * Clear the mailbox snapshot structure and allocate memory
507 	/* Clear mbx_buf in the mailbox snaphot structure and setting the  in ice_mbx_init_snapshot()
508 	 * mailbox snapshot state to a new capture.  in ice_mbx_init_snapshot()
517  * ice_mbx_deinit_snapshot - Free mailbox snapshot structure
520  * Clear the mailbox snapshot structure and free the VF counter array.
530 	/* Clear mbx_buf in the mailbox snaphot structure */  in ice_mbx_deinit_snapshot()