45 static s32 ixgbe_poll_for_msg(struct ixgbe_hw *hw, u16 mbx_id);
46 static s32 ixgbe_poll_for_ack(struct ixgbe_hw *hw, u16 mbx_id);
50  * @hw: pointer to the HW structure
57 s32 ixgbe_read_mbx(struct ixgbe_hw *hw, u32 *msg, u16 size, u16 mbx_id)
59 	struct ixgbe_mbx_info *mbx = &hw->mbx;
72 		return mbx->ops[mbx_id].read(hw, msg, size, mbx_id);
79  * @hw: pointer to the HW structure
86 s32 ixgbe_poll_mbx(struct ixgbe_hw *hw, u32 *msg, u16 size, u16 mbx_id)
88 	struct ixgbe_mbx_info *mbx = &hw->mbx;
105 	ret_val = ixgbe_poll_for_msg(hw, mbx_id);
108 		return mbx->ops[mbx_id].read(hw, msg, size, mbx_id);
115  * @hw: pointer to the HW structure
123 s32 ixgbe_write_mbx(struct ixgbe_hw *hw, u32 *msg, u16 size, u16 mbx_id)
125 	struct ixgbe_mbx_info *mbx = &hw->mbx;
143 		ret_val = mbx->ops[mbx_id].write(hw, msg, size, mbx_id);
151  * @hw: pointer to the HW structure
156 s32 ixgbe_check_for_msg(struct ixgbe_hw *hw, u16 mbx_id)
158 	struct ixgbe_mbx_info *mbx = &hw->mbx;
164 		ret_val = mbx->ops[mbx_id].check_for_msg(hw, mbx_id);
171  * @hw: pointer to the HW structure
176 s32 ixgbe_check_for_ack(struct ixgbe_hw *hw, u16 mbx_id)
178 	struct ixgbe_mbx_info *mbx = &hw->mbx;
184 		ret_val = mbx->ops[mbx_id].check_for_ack(hw, mbx_id);
191  * @hw: pointer to the HW structure
196 s32 ixgbe_check_for_rst(struct ixgbe_hw *hw, u16 mbx_id)
198 	struct ixgbe_mbx_info *mbx = &hw->mbx;
204 		ret_val = mbx->ops[mbx_id].check_for_rst(hw, mbx_id);
211  * @hw: pointer to the HW structure
216 s32 ixgbe_clear_mbx(struct ixgbe_hw *hw, u16 mbx_id)
218 	struct ixgbe_mbx_info *mbx = &hw->mbx;
224 		ret_val = mbx->ops[mbx_id].clear(hw, mbx_id);
231  * @hw: pointer to the HW structure
236 static s32 ixgbe_poll_for_msg(struct ixgbe_hw *hw, u16 mbx_id)
238 	struct ixgbe_mbx_info *mbx = &hw->mbx;
246 	while (countdown && mbx->ops[mbx_id].check_for_msg(hw, mbx_id)) {
264  * @hw: pointer to the HW structure
269 static s32 ixgbe_poll_for_ack(struct ixgbe_hw *hw, u16 mbx_id)
271 	struct ixgbe_mbx_info *mbx = &hw->mbx;
279 	while (countdown && mbx->ops[mbx_id].check_for_ack(hw, mbx_id)) {
298  * @hw: pointer to the HW structure
303 static u32 ixgbe_read_mailbox_vf(struct ixgbe_hw *hw)
305 	u32 vf_mailbox = IXGBE_READ_REG(hw, IXGBE_VFMAILBOX);
307 	vf_mailbox |= hw->mbx.vf_mailbox;
308 	hw->mbx.vf_mailbox |= vf_mailbox & IXGBE_VFMAILBOX_R2C_BITS;
313 static void ixgbe_clear_msg_vf(struct ixgbe_hw *hw)
315 	u32 vf_mailbox = ixgbe_read_mailbox_vf(hw);
318 		IXGBE_EVC_ADD(&hw->mbx.stats.reqs, 1);
319 		hw->mbx.vf_mailbox &= ~IXGBE_VFMAILBOX_PFSTS;
323 static void ixgbe_clear_ack_vf(struct ixgbe_hw *hw)
325 	u32 vf_mailbox = ixgbe_read_mailbox_vf(hw);
328 		IXGBE_EVC_ADD(&hw->mbx.stats.acks, 1);
329 		hw->mbx.vf_mailbox &= ~IXGBE_VFMAILBOX_PFACK;
333 static void ixgbe_clear_rst_vf(struct ixgbe_hw *hw)
335 	u32 vf_mailbox = ixgbe_read_mailbox_vf(hw);
338 		IXGBE_EVC_ADD(&hw->mbx.stats.rsts, 1);
339 		hw->mbx.vf_mailbox &= ~(IXGBE_VFMAILBOX_RSTI |
346  * @hw: pointer to the HW structure
352 static s32 ixgbe_check_for_bit_vf(struct ixgbe_hw *hw, u32 mask)
354 	u32 vf_mailbox = ixgbe_read_mailbox_vf(hw);
364  * @hw: pointer to the HW structure
369 static s32 ixgbe_check_for_msg_vf(struct ixgbe_hw *hw, u16 mbx_id)
374 	if (!ixgbe_check_for_bit_vf(hw, IXGBE_VFMAILBOX_PFSTS)) {
375 		IXGBE_EVC_ADD(&hw->mbx.stats.reqs, 1);
384  * @hw: pointer to the HW structure
389 static s32 ixgbe_check_for_ack_vf(struct ixgbe_hw *hw, u16 mbx_id)
394 	if (!ixgbe_check_for_bit_vf(hw, IXGBE_VFMAILBOX_PFACK)) {
396 		ixgbe_clear_ack_vf(hw);
397 		IXGBE_EVC_ADD(&hw->mbx.stats.acks, 1);
406  * @hw: pointer to the HW structure
411 static s32 ixgbe_check_for_rst_vf(struct ixgbe_hw *hw, u16 mbx_id)
416 	if (!ixgbe_check_for_bit_vf(hw, IXGBE_VFMAILBOX_RSTI |
419 		ixgbe_clear_rst_vf(hw);
420 		IXGBE_EVC_ADD(&hw->mbx.stats.rsts, 1);
429  * @hw: pointer to the HW structure
433 static s32 ixgbe_obtain_mbx_lock_vf(struct ixgbe_hw *hw)
435 	struct ixgbe_mbx_info *mbx = &hw->mbx;
447 		vf_mailbox = ixgbe_read_mailbox_vf(hw);
449 		IXGBE_WRITE_REG(hw, IXGBE_VFMAILBOX, vf_mailbox);
452 		if (ixgbe_read_mailbox_vf(hw) & IXGBE_VFMAILBOX_VFU) {
472  * @hw: pointer to the HW structure
475 static void ixgbe_release_mbx_lock_dummy(struct ixgbe_hw *hw, u16 mbx_id)
477 	UNREFERENCED_2PARAMETER(hw, mbx_id);
484  * @hw: pointer to the HW structure
487 static void ixgbe_release_mbx_lock_vf(struct ixgbe_hw *hw, u16 mbx_id)
496 	vf_mailbox = ixgbe_read_mailbox_vf(hw);
498 	IXGBE_WRITE_REG(hw, IXGBE_VFMAILBOX, vf_mailbox);
503  * @hw: pointer to the HW structure
510 static s32 ixgbe_write_mbx_vf_legacy(struct ixgbe_hw *hw, u32 *msg, u16 size,
520 	ret_val = ixgbe_obtain_mbx_lock_vf(hw);
525 	ixgbe_check_for_msg_vf(hw, 0);
526 	ixgbe_clear_msg_vf(hw);
527 	ixgbe_check_for_ack_vf(hw, 0);
528 	ixgbe_clear_ack_vf(hw);
532 		IXGBE_WRITE_REG_ARRAY(hw, IXGBE_VFMBMEM, i, msg[i]);
535 	IXGBE_EVC_ADD(&hw->mbx.stats.msgs_tx, 1);
538 	IXGBE_WRITE_REG(hw, IXGBE_VFMAILBOX, IXGBE_VFMAILBOX_REQ);
545  * @hw: pointer to the HW structure
552 static s32 ixgbe_write_mbx_vf(struct ixgbe_hw *hw, u32 *msg, u16 size,
564 	ret_val = ixgbe_obtain_mbx_lock_vf(hw);
569 	ixgbe_clear_msg_vf(hw);
570 	ixgbe_clear_ack_vf(hw);
574 		IXGBE_WRITE_REG_ARRAY(hw, IXGBE_VFMBMEM, i, msg[i]);
577 	IXGBE_EVC_ADD(&hw->mbx.stats.msgs_tx, 1);
580 	vf_mailbox = ixgbe_read_mailbox_vf(hw);
582 	IXGBE_WRITE_REG(hw, IXGBE_VFMAILBOX, vf_mailbox);
585 	ixgbe_poll_for_ack(hw, mbx_id);
588 	hw->mbx.ops[mbx_id].release(hw, mbx_id);
595  * @hw: pointer to the HW structure
602 static s32 ixgbe_read_mbx_vf_legacy(struct ixgbe_hw *hw, u32 *msg, u16 size,
612 	ret_val = ixgbe_obtain_mbx_lock_vf(hw);
618 		msg[i] = IXGBE_READ_REG_ARRAY(hw, IXGBE_VFMBMEM, i);
621 	IXGBE_WRITE_REG(hw, IXGBE_VFMAILBOX, IXGBE_VFMAILBOX_ACK);
624 	IXGBE_EVC_ADD(&hw->mbx.stats.msgs_rx, 1);
631  * @hw: pointer to the HW structure
638 static s32 ixgbe_read_mbx_vf(struct ixgbe_hw *hw, u32 *msg, u16 size,
649 	ret_val = ixgbe_check_for_msg_vf(hw, 0);
653 	ixgbe_clear_msg_vf(hw);
657 		msg[i] = IXGBE_READ_REG_ARRAY(hw, IXGBE_VFMBMEM, i);
660 	vf_mailbox = ixgbe_read_mailbox_vf(hw);
662 	IXGBE_WRITE_REG(hw, IXGBE_VFMAILBOX, vf_mailbox);
665 	IXGBE_EVC_ADD(&hw->mbx.stats.msgs_rx, 1);
672  * @hw: pointer to the HW structure
674  * Initializes single set the hw->mbx struct to correct values for vf mailbox
677 void ixgbe_init_mbx_params_vf(struct ixgbe_hw *hw)
679 	struct ixgbe_mbx_info *mbx = &hw->mbx;
704  * @hw: pointer to the HW structure
706  * Initializes the hw->mbx struct to correct values for vf mailbox
708 void ixgbe_upgrade_mbx_params_vf(struct ixgbe_hw *hw)
710 	struct ixgbe_mbx_info *mbx = &hw->mbx;
727 static void ixgbe_clear_msg_pf(struct ixgbe_hw *hw, u16 vf_id)
733 	pfmbicr = IXGBE_READ_REG(hw, IXGBE_PFMBICR(index));
736 		IXGBE_EVC_ADD(&hw->mbx.stats.reqs, 1);
738 	IXGBE_WRITE_REG(hw, IXGBE_PFMBICR(index),
742 static void ixgbe_clear_ack_pf(struct ixgbe_hw *hw, u16 vf_id)
748 	pfmbicr = IXGBE_READ_REG(hw, IXGBE_PFMBICR(index));
751 		IXGBE_EVC_ADD(&hw->mbx.stats.acks, 1);
753 	IXGBE_WRITE_REG(hw, IXGBE_PFMBICR(index),
757 static s32 ixgbe_check_for_bit_pf(struct ixgbe_hw *hw, u32 mask, s32 index)
759 	u32 pfmbicr = IXGBE_READ_REG(hw, IXGBE_PFMBICR(index));
769  * @hw: pointer to the HW structure
774 static s32 ixgbe_check_for_msg_pf(struct ixgbe_hw *hw, u16 vf_id)
781 	if (!ixgbe_check_for_bit_pf(hw, IXGBE_PFMBICR_VFREQ_VF1 << vf_shift,
790  * @hw: pointer to the HW structure
795 static s32 ixgbe_check_for_ack_pf(struct ixgbe_hw *hw, u16 vf_id)
803 	if (!ixgbe_check_for_bit_pf(hw, IXGBE_PFMBICR_VFACK_VF1 << vf_shift,
807 		ixgbe_clear_ack_pf(hw, vf_id);
815  * @hw: pointer to the HW structure
820 static s32 ixgbe_check_for_rst_pf(struct ixgbe_hw *hw, u16 vf_id)
829 	switch (hw->mac.type) {
831 		vflre = IXGBE_READ_REG(hw, IXGBE_PFVFLRE(index));
837 		vflre = IXGBE_READ_REG(hw, IXGBE_PFVFLREC(index));
845 		IXGBE_WRITE_REG(hw, IXGBE_PFVFLREC(index), (1 << vf_shift));
846 		IXGBE_EVC_ADD(&hw->mbx.stats.rsts, 1);
854  * @hw: pointer to the HW structure
859 static s32 ixgbe_obtain_mbx_lock_pf(struct ixgbe_hw *hw, u16 vf_id)
861 	struct ixgbe_mbx_info *mbx = &hw->mbx;
873 		pf_mailbox = IXGBE_READ_REG(hw, IXGBE_PFMAILBOX(vf_id));
875 		IXGBE_WRITE_REG(hw, IXGBE_PFMAILBOX(vf_id), pf_mailbox);
878 		pf_mailbox = IXGBE_READ_REG(hw, IXGBE_PFMAILBOX(vf_id));
899  * @hw: pointer to the HW structure
902 static void ixgbe_release_mbx_lock_pf(struct ixgbe_hw *hw, u16 vf_id)
909 	pf_mailbox = IXGBE_READ_REG(hw, IXGBE_PFMAILBOX(vf_id));
911 	IXGBE_WRITE_REG(hw, IXGBE_PFMAILBOX(vf_id), pf_mailbox);
916  * @hw: pointer to the HW structure
923 static s32 ixgbe_write_mbx_pf_legacy(struct ixgbe_hw *hw, u32 *msg, u16 size,
932 	ret_val = ixgbe_obtain_mbx_lock_pf(hw, vf_id);
937 	ixgbe_check_for_msg_pf(hw, vf_id);
938 	ixgbe_clear_msg_pf(hw, vf_id);
939 	ixgbe_check_for_ack_pf(hw, vf_id);
940 	ixgbe_clear_ack_pf(hw, vf_id);
944 		IXGBE_WRITE_REG_ARRAY(hw, IXGBE_PFMBMEM(vf_id), i, msg[i]);
947 	IXGBE_WRITE_REG(hw, IXGBE_PFMAILBOX(vf_id), IXGBE_PFMAILBOX_STS);
950 	IXGBE_EVC_ADD(&hw->mbx.stats.msgs_tx, 1);
957  * @hw: pointer to the HW structure
964 static s32 ixgbe_write_mbx_pf(struct ixgbe_hw *hw, u32 *msg, u16 size,
974 	ret_val = ixgbe_obtain_mbx_lock_pf(hw, vf_id);
979 	ixgbe_clear_msg_pf(hw, vf_id);
980 	ixgbe_clear_ack_pf(hw, vf_id);
984 		IXGBE_WRITE_REG_ARRAY(hw, IXGBE_PFMBMEM(vf_id), i, msg[i]);
987 	pf_mailbox = IXGBE_READ_REG(hw, IXGBE_PFMAILBOX(vf_id));
989 	IXGBE_WRITE_REG(hw, IXGBE_PFMAILBOX(vf_id), pf_mailbox);
992 	ixgbe_poll_for_ack(hw, vf_id);
995 	IXGBE_EVC_ADD(&hw->mbx.stats.msgs_tx, 1);
998 	hw->mbx.ops[vf_id].release(hw, vf_id);
1006  * @hw: pointer to the HW structure
1015 static s32 ixgbe_read_mbx_pf_legacy(struct ixgbe_hw *hw, u32 *msg, u16 size,
1024 	ret_val = ixgbe_obtain_mbx_lock_pf(hw, vf_id);
1030 		msg[i] = IXGBE_READ_REG_ARRAY(hw, IXGBE_PFMBMEM(vf_id), i);
1033 	IXGBE_WRITE_REG(hw, IXGBE_PFMAILBOX(vf_id), IXGBE_PFMAILBOX_ACK);
1036 	IXGBE_EVC_ADD(&hw->mbx.stats.msgs_rx, 1);
1043  * @hw: pointer to the HW structure
1052 static s32 ixgbe_read_mbx_pf(struct ixgbe_hw *hw, u32 *msg, u16 size,
1062 	ret_val = ixgbe_check_for_msg_pf(hw, vf_id);
1066 	ixgbe_clear_msg_pf(hw, vf_id);
1070 		msg[i] = IXGBE_READ_REG_ARRAY(hw, IXGBE_PFMBMEM(vf_id), i);
1073 	pf_mailbox = IXGBE_READ_REG(hw, IXGBE_PFMAILBOX(vf_id));
1075 	IXGBE_WRITE_REG(hw, IXGBE_PFMAILBOX(vf_id), pf_mailbox);
1078 	IXGBE_EVC_ADD(&hw->mbx.stats.msgs_rx, 1);
1085  * @hw: pointer to the HW structure
1090 static s32 ixgbe_clear_mbx_pf(struct ixgbe_hw *hw, u16 vf_id)
1092 	u16 mbx_size = hw->mbx.size;
1099 		IXGBE_WRITE_REG_ARRAY(hw, IXGBE_PFMBMEM(vf_id), i, 0x0);
1106  * @hw: pointer to the HW structure
1109  * Initializes single set of the hw->mbx struct to correct values for pf mailbox
1112 void ixgbe_init_mbx_params_pf_id(struct ixgbe_hw *hw, u16 vf_id)
1114 	struct ixgbe_mbx_info *mbx = &hw->mbx;
1127  * @hw: pointer to the HW structure
1129  * Initializes all sets of the hw->mbx struct to correct values for pf
1133 void ixgbe_init_mbx_params_pf(struct ixgbe_hw *hw)
1136 	struct ixgbe_mbx_info *mbx = &hw->mbx;
1139 	if (hw->mac.type != ixgbe_mac_82599EB &&
1140 	    hw->mac.type != ixgbe_mac_X550 &&
1141 	    hw->mac.type != ixgbe_mac_X550EM_x &&
1142 	    hw->mac.type != ixgbe_mac_X550EM_a &&
1143 	    hw->mac.type != ixgbe_mac_X540)
1165 		ixgbe_init_mbx_params_pf_id(hw, i);
1170  * @hw: pointer to the HW structure
1173  * Initializes the hw->mbx struct to new function set for improved
1176 void ixgbe_upgrade_mbx_params_pf(struct ixgbe_hw *hw, u16 vf_id)
1178 	struct ixgbe_mbx_info *mbx = &hw->mbx;
1181 	if (hw->mac.type != ixgbe_mac_82599EB &&
1182 	    hw->mac.type != ixgbe_mac_X550 &&
1183 	    hw->mac.type != ixgbe_mac_X550EM_x &&
1184 	    hw->mac.type != ixgbe_mac_X550EM_a &&
1185 	    hw->mac.type != ixgbe_mac_X540)

Indexes created Mon Nov 10 17:20:41 GMT 2025