40  *  @hw: pointer to the HW structure
47 s32 ixgbe_read_mbx(struct ixgbe_hw *hw, u32 *msg, u16 size, u16 mbx_id)
49 	struct ixgbe_mbx_info *mbx = &hw->mbx;
59 		ret_val = mbx->ops.read(hw, msg, size, mbx_id);
66  *  @hw: pointer to the HW structure
73 s32 ixgbe_write_mbx(struct ixgbe_hw *hw, u32 *msg, u16 size, u16 mbx_id)
75 	struct ixgbe_mbx_info *mbx = &hw->mbx;
85 		ret_val = mbx->ops.write(hw, msg, size, mbx_id);
92  *  @hw: pointer to the HW structure
97 s32 ixgbe_check_for_msg(struct ixgbe_hw *hw, u16 mbx_id)
99 	struct ixgbe_mbx_info *mbx = &hw->mbx;
105 		ret_val = mbx->ops.check_for_msg(hw, mbx_id);
112  *  @hw: pointer to the HW structure
117 s32 ixgbe_check_for_ack(struct ixgbe_hw *hw, u16 mbx_id)
119 	struct ixgbe_mbx_info *mbx = &hw->mbx;
125 		ret_val = mbx->ops.check_for_ack(hw, mbx_id);
132  *  @hw: pointer to the HW structure
137 s32 ixgbe_check_for_rst(struct ixgbe_hw *hw, u16 mbx_id)
139 	struct ixgbe_mbx_info *mbx = &hw->mbx;
145 		ret_val = mbx->ops.check_for_rst(hw, mbx_id);
152  *  @hw: pointer to the HW structure
157 static s32 ixgbe_poll_for_msg(struct ixgbe_hw *hw, u16 mbx_id)
159 	struct ixgbe_mbx_info *mbx = &hw->mbx;
167 	while (countdown && mbx->ops.check_for_msg(hw, mbx_id)) {
184  *  @hw: pointer to the HW structure
189 static s32 ixgbe_poll_for_ack(struct ixgbe_hw *hw, u16 mbx_id)
191 	struct ixgbe_mbx_info *mbx = &hw->mbx;
199 	while (countdown && mbx->ops.check_for_ack(hw, mbx_id)) {
216  *  @hw: pointer to the HW structure
224 s32 ixgbe_read_posted_mbx(struct ixgbe_hw *hw, u32 *msg, u16 size, u16 mbx_id)
226 	struct ixgbe_mbx_info *mbx = &hw->mbx;
234 	ret_val = ixgbe_poll_for_msg(hw, mbx_id);
238 		ret_val = mbx->ops.read(hw, msg, size, mbx_id);
245  *  @hw: pointer to the HW structure
253 s32 ixgbe_write_posted_mbx(struct ixgbe_hw *hw, u32 *msg, u16 size,
256 	struct ixgbe_mbx_info *mbx = &hw->mbx;
266 	ret_val = mbx->ops.write(hw, msg, size, mbx_id);
270 		ret_val = ixgbe_poll_for_ack(hw, mbx_id);
277  *  @hw: pointer to the HW structure
281 void ixgbe_init_mbx_ops_generic(struct ixgbe_hw *hw)
283 	struct ixgbe_mbx_info *mbx = &hw->mbx;
291  *  @hw: pointer to the HW structure
296 static u32 ixgbe_read_v2p_mailbox(struct ixgbe_hw *hw)
298 	u32 v2p_mailbox = IXGBE_READ_REG(hw, IXGBE_VFMAILBOX);
300 	v2p_mailbox |= hw->mbx.v2p_mailbox;
301 	hw->mbx.v2p_mailbox |= v2p_mailbox & IXGBE_VFMAILBOX_R2C_BITS;
308  *  @hw: pointer to the HW structure
314 static s32 ixgbe_check_for_bit_vf(struct ixgbe_hw *hw, u32 mask)
316 	u32 v2p_mailbox = ixgbe_read_v2p_mailbox(hw);
322 	hw->mbx.v2p_mailbox &= ~mask;
329  *  @hw: pointer to the HW structure
334 static s32 ixgbe_check_for_msg_vf(struct ixgbe_hw *hw, u16 mbx_id)
341 	if (!ixgbe_check_for_bit_vf(hw, IXGBE_VFMAILBOX_PFSTS)) {
343 		hw->mbx.stats.reqs++;
351  *  @hw: pointer to the HW structure
356 static s32 ixgbe_check_for_ack_vf(struct ixgbe_hw *hw, u16 mbx_id)
363 	if (!ixgbe_check_for_bit_vf(hw, IXGBE_VFMAILBOX_PFACK)) {
365 		hw->mbx.stats.acks++;
373  *  @hw: pointer to the HW structure
378 static s32 ixgbe_check_for_rst_vf(struct ixgbe_hw *hw, u16 mbx_id)
385 	if (!ixgbe_check_for_bit_vf(hw, (IXGBE_VFMAILBOX_RSTD |
388 		hw->mbx.stats.rsts++;
396  *  @hw: pointer to the HW structure
400 static s32 ixgbe_obtain_mbx_lock_vf(struct ixgbe_hw *hw)
407 	IXGBE_WRITE_REG(hw, IXGBE_VFMAILBOX, IXGBE_VFMAILBOX_VFU);
410 	if (ixgbe_read_v2p_mailbox(hw) & IXGBE_VFMAILBOX_VFU)
418  *  @hw: pointer to the HW structure
425 static s32 ixgbe_write_mbx_vf(struct ixgbe_hw *hw, u32 *msg, u16 size,
436 	ret_val = ixgbe_obtain_mbx_lock_vf(hw);
441 	ixgbe_check_for_msg_vf(hw, 0);
442 	ixgbe_check_for_ack_vf(hw, 0);
446 		IXGBE_WRITE_REG_ARRAY(hw, IXGBE_VFMBMEM, i, msg[i]);
449 	hw->mbx.stats.msgs_tx++;
452 	IXGBE_WRITE_REG(hw, IXGBE_VFMAILBOX, IXGBE_VFMAILBOX_REQ);
460  *  @hw: pointer to the HW structure
467 static s32 ixgbe_read_mbx_vf(struct ixgbe_hw *hw, u32 *msg, u16 size,
477 	ret_val = ixgbe_obtain_mbx_lock_vf(hw);
483 		msg[i] = IXGBE_READ_REG_ARRAY(hw, IXGBE_VFMBMEM, i);
486 	IXGBE_WRITE_REG(hw, IXGBE_VFMAILBOX, IXGBE_VFMAILBOX_ACK);
489 	hw->mbx.stats.msgs_rx++;
497  *  @hw: pointer to the HW structure
499  *  Initializes the hw->mbx struct to correct values for vf mailbox
501 void ixgbe_init_mbx_params_vf(struct ixgbe_hw *hw)
503 	struct ixgbe_mbx_info *mbx = &hw->mbx;
527 static s32 ixgbe_check_for_bit_pf(struct ixgbe_hw *hw, u32 mask, s32 index)
529 	u32 mbvficr = IXGBE_READ_REG(hw, IXGBE_MBVFICR(index));
534 		IXGBE_WRITE_REG(hw, IXGBE_MBVFICR(index), mask);
542  *  @hw: pointer to the HW structure
547 static s32 ixgbe_check_for_msg_pf(struct ixgbe_hw *hw, u16 vf_number)
555 	if (!ixgbe_check_for_bit_pf(hw, IXGBE_MBVFICR_VFREQ_VF1 << vf_bit,
558 		hw->mbx.stats.reqs++;
566  *  @hw: pointer to the HW structure
571 static s32 ixgbe_check_for_ack_pf(struct ixgbe_hw *hw, u16 vf_number)
579 	if (!ixgbe_check_for_bit_pf(hw, IXGBE_MBVFICR_VFACK_VF1 << vf_bit,
582 		hw->mbx.stats.acks++;
590  *  @hw: pointer to the HW structure
595 static s32 ixgbe_check_for_rst_pf(struct ixgbe_hw *hw, u16 vf_number)
604 	switch (hw->mac.type) {
606 		vflre = IXGBE_READ_REG(hw, IXGBE_VFLRE(reg_offset));
611 		vflre = IXGBE_READ_REG(hw, IXGBE_VFLREC(reg_offset));
619 		IXGBE_WRITE_REG(hw, IXGBE_VFLREC(reg_offset), (1 << vf_shift));
620 		hw->mbx.stats.rsts++;
628  *  @hw: pointer to the HW structure
633 static s32 ixgbe_obtain_mbx_lock_pf(struct ixgbe_hw *hw, u16 vf_number)
641 	IXGBE_WRITE_REG(hw, IXGBE_PFMAILBOX(vf_number), IXGBE_PFMAILBOX_PFU);
644 	p2v_mailbox = IXGBE_READ_REG(hw, IXGBE_PFMAILBOX(vf_number));
657  *  @hw: pointer to the HW structure
664 static s32 ixgbe_write_mbx_pf(struct ixgbe_hw *hw, u32 *msg, u16 size,
673 	ret_val = ixgbe_obtain_mbx_lock_pf(hw, vf_number);
678 	ixgbe_check_for_msg_pf(hw, vf_number);
679 	ixgbe_check_for_ack_pf(hw, vf_number);
683 		IXGBE_WRITE_REG_ARRAY(hw, IXGBE_PFMBMEM(vf_number), i, msg[i]);
686 	IXGBE_WRITE_REG(hw, IXGBE_PFMAILBOX(vf_number), IXGBE_PFMAILBOX_STS);
689 	hw->mbx.stats.msgs_tx++;
698  *  @hw: pointer to the HW structure
707 static s32 ixgbe_read_mbx_pf(struct ixgbe_hw *hw, u32 *msg, u16 size,
716 	ret_val = ixgbe_obtain_mbx_lock_pf(hw, vf_number);
722 		msg[i] = IXGBE_READ_REG_ARRAY(hw, IXGBE_PFMBMEM(vf_number), i);
725 	IXGBE_WRITE_REG(hw, IXGBE_PFMAILBOX(vf_number), IXGBE_PFMAILBOX_ACK);
728 	hw->mbx.stats.msgs_rx++;
736  *  @hw: pointer to the HW structure
738  *  Initializes the hw->mbx struct to correct values for pf mailbox
740 void ixgbe_init_mbx_params_pf(struct ixgbe_hw *hw)
742 	struct ixgbe_mbx_info *mbx = &hw->mbx;
744 	if (hw->mac.type != ixgbe_mac_82599EB &&
745 	    hw->mac.type != ixgbe_mac_X550 &&
746 	    hw->mac.type != ixgbe_mac_X550EM_x &&
747 	    hw->mac.type != ixgbe_mac_X540)

Indexes created Tue Jul 24 14:28:13 CEST 2018