9  *  @hw: pointer to the HW structure
13 static s32 ixgbevf_poll_for_msg(struct ixgbe_hw *hw)  in ixgbevf_poll_for_msg()  argument
15 	struct ixgbe_mbx_info *mbx = &hw->mbx;  in ixgbevf_poll_for_msg()
21 	while (countdown && mbx->ops.check_for_msg(hw)) {  in ixgbevf_poll_for_msg()
31  *  @hw: pointer to the HW structure
35 static s32 ixgbevf_poll_for_ack(struct ixgbe_hw *hw)  in ixgbevf_poll_for_ack()  argument
37 	struct ixgbe_mbx_info *mbx = &hw->mbx;  in ixgbevf_poll_for_ack()
43 	while (countdown && mbx->ops.check_for_ack(hw)) {  in ixgbevf_poll_for_ack()
53  * @hw: pointer to the HW structure
58 static u32 ixgbevf_read_mailbox_vf(struct ixgbe_hw *hw)  in ixgbevf_read_mailbox_vf()  argument
60 	u32 vf_mailbox = IXGBE_READ_REG(hw, IXGBE_VFMAILBOX);  in ixgbevf_read_mailbox_vf()
62 	vf_mailbox |= hw->mbx.vf_mailbox;  in ixgbevf_read_mailbox_vf()
63 	hw->mbx.vf_mailbox |= vf_mailbox & IXGBE_VFMAILBOX_R2C_BITS;  in ixgbevf_read_mailbox_vf()
70  * @hw: pointer to the HW structure
74 static void ixgbevf_clear_msg_vf(struct ixgbe_hw *hw)  in ixgbevf_clear_msg_vf()  argument
76 	u32 vf_mailbox = ixgbevf_read_mailbox_vf(hw);  in ixgbevf_clear_msg_vf()
79 		hw->mbx.stats.reqs++;  in ixgbevf_clear_msg_vf()
80 		hw->mbx.vf_mailbox &= ~IXGBE_VFMAILBOX_PFSTS;  in ixgbevf_clear_msg_vf()
86  * @hw: pointer to the HW structure
90 static void ixgbevf_clear_ack_vf(struct ixgbe_hw *hw)  in ixgbevf_clear_ack_vf()  argument
92 	u32 vf_mailbox = ixgbevf_read_mailbox_vf(hw);  in ixgbevf_clear_ack_vf()
95 		hw->mbx.stats.acks++;  in ixgbevf_clear_ack_vf()
96 		hw->mbx.vf_mailbox &= ~IXGBE_VFMAILBOX_PFACK;  in ixgbevf_clear_ack_vf()
102  * @hw: pointer to the HW structure
107 static void ixgbevf_clear_rst_vf(struct ixgbe_hw *hw)  in ixgbevf_clear_rst_vf()  argument
109 	u32 vf_mailbox = ixgbevf_read_mailbox_vf(hw);  in ixgbevf_clear_rst_vf()
112 		hw->mbx.stats.rsts++;  in ixgbevf_clear_rst_vf()
113 		hw->mbx.vf_mailbox &= ~(IXGBE_VFMAILBOX_RSTI |  in ixgbevf_clear_rst_vf()
120  *  @hw: pointer to the HW structure
126 static s32 ixgbevf_check_for_bit_vf(struct ixgbe_hw *hw, u32 mask)  in ixgbevf_check_for_bit_vf()  argument
128 	u32 vf_mailbox = ixgbevf_read_mailbox_vf(hw);  in ixgbevf_check_for_bit_vf()
139  *  @hw: pointer to the HW structure
143 static s32 ixgbevf_check_for_msg_vf(struct ixgbe_hw *hw)  in ixgbevf_check_for_msg_vf()  argument
147 	if (!ixgbevf_check_for_bit_vf(hw, IXGBE_VFMAILBOX_PFSTS)) {  in ixgbevf_check_for_msg_vf()
149 		hw->mbx.stats.reqs++;  in ixgbevf_check_for_msg_vf()
157  *  @hw: pointer to the HW structure
161 static s32 ixgbevf_check_for_ack_vf(struct ixgbe_hw *hw)  in ixgbevf_check_for_ack_vf()  argument
165 	if (!ixgbevf_check_for_bit_vf(hw, IXGBE_VFMAILBOX_PFACK)) {  in ixgbevf_check_for_ack_vf()
167 		ixgbevf_clear_ack_vf(hw);  in ixgbevf_check_for_ack_vf()
168 		hw->mbx.stats.acks++;  in ixgbevf_check_for_ack_vf()
176  *  @hw: pointer to the HW structure
180 static s32 ixgbevf_check_for_rst_vf(struct ixgbe_hw *hw)  in ixgbevf_check_for_rst_vf()  argument
184 	if (!ixgbevf_check_for_bit_vf(hw, (IXGBE_VFMAILBOX_RSTD |  in ixgbevf_check_for_rst_vf()
187 		ixgbevf_clear_rst_vf(hw);  in ixgbevf_check_for_rst_vf()
188 		hw->mbx.stats.rsts++;  in ixgbevf_check_for_rst_vf()
196  *  @hw: pointer to the HW structure
200 static s32 ixgbevf_obtain_mbx_lock_vf(struct ixgbe_hw *hw)  in ixgbevf_obtain_mbx_lock_vf()  argument
202 	struct ixgbe_mbx_info *mbx = &hw->mbx;  in ixgbevf_obtain_mbx_lock_vf()
212 		vf_mailbox = ixgbevf_read_mailbox_vf(hw);  in ixgbevf_obtain_mbx_lock_vf()
214 		IXGBE_WRITE_REG(hw, IXGBE_VFMAILBOX, vf_mailbox);  in ixgbevf_obtain_mbx_lock_vf()
217 		if (ixgbevf_read_mailbox_vf(hw) & IXGBE_VFMAILBOX_VFU) {  in ixgbevf_obtain_mbx_lock_vf()
234  * @hw: pointer to the HW structure
236 static void ixgbevf_release_mbx_lock_vf(struct ixgbe_hw *hw)  in ixgbevf_release_mbx_lock_vf()  argument
241 	vf_mailbox = ixgbevf_read_mailbox_vf(hw);  in ixgbevf_release_mbx_lock_vf()
243 	IXGBE_WRITE_REG(hw, IXGBE_VFMAILBOX, vf_mailbox);  in ixgbevf_release_mbx_lock_vf()
248  * @hw: pointer to the HW structure
250 static void ixgbevf_release_mbx_lock_vf_legacy(struct ixgbe_hw *__always_unused hw)  in ixgbevf_release_mbx_lock_vf_legacy()  argument
256  *  @hw: pointer to the HW structure
262 static s32 ixgbevf_write_mbx_vf(struct ixgbe_hw *hw, u32 *msg, u16 size)  in ixgbevf_write_mbx_vf()  argument
269 	ret_val = ixgbevf_obtain_mbx_lock_vf(hw);  in ixgbevf_write_mbx_vf()
274 	ixgbevf_clear_msg_vf(hw);  in ixgbevf_write_mbx_vf()
275 	ixgbevf_clear_ack_vf(hw);  in ixgbevf_write_mbx_vf()
279 		IXGBE_WRITE_REG_ARRAY(hw, IXGBE_VFMBMEM, i, msg[i]);  in ixgbevf_write_mbx_vf()
282 	hw->mbx.stats.msgs_tx++;  in ixgbevf_write_mbx_vf()
285 	vf_mailbox = ixgbevf_read_mailbox_vf(hw);  in ixgbevf_write_mbx_vf()
287 	IXGBE_WRITE_REG(hw, IXGBE_VFMAILBOX, vf_mailbox);  in ixgbevf_write_mbx_vf()
290 	ret_val = ixgbevf_poll_for_ack(hw);  in ixgbevf_write_mbx_vf()
293 	hw->mbx.ops.release(hw);  in ixgbevf_write_mbx_vf()
300  *  @hw: pointer to the HW structure
306 static s32 ixgbevf_write_mbx_vf_legacy(struct ixgbe_hw *hw, u32 *msg, u16 size)  in ixgbevf_write_mbx_vf_legacy()  argument
312 	ret_val = ixgbevf_obtain_mbx_lock_vf(hw);  in ixgbevf_write_mbx_vf_legacy()
317 	ixgbevf_check_for_msg_vf(hw);  in ixgbevf_write_mbx_vf_legacy()
318 	ixgbevf_clear_msg_vf(hw);  in ixgbevf_write_mbx_vf_legacy()
319 	ixgbevf_check_for_ack_vf(hw);  in ixgbevf_write_mbx_vf_legacy()
320 	ixgbevf_clear_ack_vf(hw);  in ixgbevf_write_mbx_vf_legacy()
324 		IXGBE_WRITE_REG_ARRAY(hw, IXGBE_VFMBMEM, i, msg[i]);  in ixgbevf_write_mbx_vf_legacy()
327 	hw->mbx.stats.msgs_tx++;  in ixgbevf_write_mbx_vf_legacy()
330 	IXGBE_WRITE_REG(hw, IXGBE_VFMAILBOX, IXGBE_VFMAILBOX_REQ);  in ixgbevf_write_mbx_vf_legacy()
338  *  @hw: pointer to the HW structure
344 static s32 ixgbevf_read_mbx_vf(struct ixgbe_hw *hw, u32 *msg, u16 size)  in ixgbevf_read_mbx_vf()  argument
351 	ret_val = ixgbevf_check_for_msg_vf(hw);  in ixgbevf_read_mbx_vf()
355 	ixgbevf_clear_msg_vf(hw);  in ixgbevf_read_mbx_vf()
359 		msg[i] = IXGBE_READ_REG_ARRAY(hw, IXGBE_VFMBMEM, i);  in ixgbevf_read_mbx_vf()
362 	vf_mailbox = ixgbevf_read_mailbox_vf(hw);  in ixgbevf_read_mbx_vf()
364 	IXGBE_WRITE_REG(hw, IXGBE_VFMAILBOX, vf_mailbox);  in ixgbevf_read_mbx_vf()
367 	hw->mbx.stats.msgs_rx++;  in ixgbevf_read_mbx_vf()
374  *  @hw: pointer to the HW structure
380 static s32 ixgbevf_read_mbx_vf_legacy(struct ixgbe_hw *hw, u32 *msg, u16 size)  in ixgbevf_read_mbx_vf_legacy()  argument
386 	ret_val = ixgbevf_obtain_mbx_lock_vf(hw);  in ixgbevf_read_mbx_vf_legacy()
392 		msg[i] = IXGBE_READ_REG_ARRAY(hw, IXGBE_VFMBMEM, i);  in ixgbevf_read_mbx_vf_legacy()
395 	IXGBE_WRITE_REG(hw, IXGBE_VFMAILBOX, IXGBE_VFMAILBOX_ACK);  in ixgbevf_read_mbx_vf_legacy()
398 	hw->mbx.stats.msgs_rx++;  in ixgbevf_read_mbx_vf_legacy()
406  *  @hw: pointer to the HW structure
408  *  Initializes the hw->mbx struct to correct values for VF mailbox
410 static s32 ixgbevf_init_mbx_params_vf(struct ixgbe_hw *hw)  in ixgbevf_init_mbx_params_vf()  argument
412 	struct ixgbe_mbx_info *mbx = &hw->mbx;  in ixgbevf_init_mbx_params_vf()
433  * @hw: pointer to the HW structure
439 s32 ixgbevf_poll_mbx(struct ixgbe_hw *hw, u32 *msg, u16 size)  in ixgbevf_poll_mbx()  argument
441 	struct ixgbe_mbx_info *mbx = &hw->mbx;  in ixgbevf_poll_mbx()
451 	ret_val = ixgbevf_poll_for_msg(hw);  in ixgbevf_poll_mbx()
454 		ret_val = mbx->ops.read(hw, msg, size);  in ixgbevf_poll_mbx()
461  * @hw: pointer to the HW structure
468 s32 ixgbevf_write_mbx(struct ixgbe_hw *hw, u32 *msg, u16 size)  in ixgbevf_write_mbx()  argument
470 	struct ixgbe_mbx_info *mbx = &hw->mbx;  in ixgbevf_write_mbx()
484 		ret_val = mbx->ops.write(hw, msg, size);  in ixgbevf_write_mbx()