17  * Send message to VF driver (0x0802) using mailbox
86 /* The mailbox overflow detection algorithm helps to check if there
89  * 1. The mailbox snapshot structure, ice_mbx_snapshot, is initialized during
92  * messages within the mailbox queue while looking for a malicious VF.
94  * 2. When the caller starts processing its mailbox queue in response to an
120  * in ice_mbx_snapshot for every new mailbox interrupt handled.
129  * ice_mbx_reset_snapshot - Reset mailbox snapshot structure
130  * @snap: pointer to the mailbox snapshot
136 	/* Clear mbx_buf in the mailbox snaphot structure and setting the  in ice_mbx_reset_snapshot()
137 	 * mailbox snapshot state to a new capture.  in ice_mbx_reset_snapshot()
148  * ice_mbx_traverse - Pass through mailbox snapshot
152  * Traversing the mailbox static snapshot without checking
164 	/* As mailbox buffer is circular, applying a mask  in ice_mbx_traverse()
170 	 * Condition-1: If the number of iterations in the mailbox is equal to  in ice_mbx_traverse()
171 	 * the mailbox head which would indicate that we have reached the end  in ice_mbx_traverse()
173 	 * Condition-2: If the maximum messages serviced in the mailbox for a  in ice_mbx_traverse()
177 	 * to the maximum number of mailbox entries serviced in current work item.  in ice_mbx_traverse()
188  * @vf_info: mailbox tracking structure for a VF
207 	/* continue to iterate through the mailbox snapshot */  in ice_mbx_detect_malvf()
214  * ice_mbx_vf_dec_trig_e830 - Decrements the VF mailbox queue counter
220  * the buffers at the PF mailbox queue.
231  * ice_mbx_vf_clear_cnt_e830 - Clear the VF mailbox queue count
248  * @mbx_data: pointer to structure containing mailbox data
249  * @vf_info: mailbox tracking structure for the VF in question
256  * snapshot. The data from any previous mailbox snapshot is
257  * cleared and a new capture of the mailbox head and tail is
284 	/* When entering the mailbox state machine assume that the VF  in ice_mbx_vf_state_handler()
294 	 * set for the number of asynchronous messages a VF can send to mailbox  in ice_mbx_vf_state_handler()
296 	 * mailbox serviced in current interrupt.  in ice_mbx_vf_state_handler()
307 		/* Clear any previously held data in mailbox snapshot structure. */  in ice_mbx_vf_state_handler()
312 		 * Mailbox for current interrupt.  in ice_mbx_vf_state_handler()
318 		/* Capture a new static snapshot of the mailbox by logging the  in ice_mbx_vf_state_handler()
329 		 * mailbox queue. Comparing this value against the watermark  in ice_mbx_vf_state_handler()
369  * ice_mbx_clear_malvf - Clear VF mailbox info
370  * @vf_info: the mailbox tracking structure for a VF
373  * current mailbox tracking state.
382  * ice_mbx_init_vf_info - Initialize a new VF mailbox tracking info
384  * @vf_info: the mailbox tracking info structure for a VF
386  * Initialize a VF mailbox tracking info structure and insert it into the
401  * ice_mbx_init_snapshot - Initialize mailbox snapshot data
404  * Clear the mailbox snapshot structure and initialize the VF mailbox list.