git: fa00169e26ff - stable/13 - ixgbe: update ixgbe_mbx with ix-3.3.38 changes

The branch stable/13 has been updated by kbowling:

URL: https://cgit.FreeBSD.org/src/commit/?id=fa00169e26ff91ae1aa62a00f6a5a57068442a2e

commit fa00169e26ff91ae1aa62a00f6a5a57068442a2e
Author:     Kevin Bowling <kbowling@FreeBSD.org>
AuthorDate: 2024-09-21 09:47:11 +0000
Commit:     Kevin Bowling <kbowling@FreeBSD.org>
CommitDate: 2024-09-28 09:24:57 +0000

    ixgbe: update ixgbe_mbx with ix-3.3.38 changes
    
    (cherry picked from commit 0acea458f82d95b75193bf6ce6321906032abf40)
---
 sys/dev/ixgbe/ixgbe_mbx.c | 44 ++++++++++++++++++++++++++++++++++++++++++++
 sys/dev/ixgbe/ixgbe_mbx.h |  1 +
 2 files changed, 45 insertions(+)

diff --git a/sys/dev/ixgbe/ixgbe_mbx.c b/sys/dev/ixgbe/ixgbe_mbx.c
index 0a0c5abde157..5f1f64e02b82 100644
--- a/sys/dev/ixgbe/ixgbe_mbx.c
+++ b/sys/dev/ixgbe/ixgbe_mbx.c
@@ -199,6 +199,26 @@ s32 ixgbe_check_for_rst(struct ixgbe_hw *hw, u16 mbx_id)
 	return ret_val;
 }
 
+/**
+ * ixgbe_clear_mbx - Clear Mailbox Memory
+ * @hw: pointer to the HW structure
+ * @mbx_id: id of mailbox to write
+ *
+ * Set VFMBMEM of given VF to 0x0.
+ **/
+s32 ixgbe_clear_mbx(struct ixgbe_hw *hw, u16 mbx_id)
+{
+	struct ixgbe_mbx_info *mbx = &hw->mbx;
+	s32 ret_val = IXGBE_ERR_CONFIG;
+
+	DEBUGFUNC("ixgbe_clear_mbx");
+
+	if (mbx->ops[mbx_id].clear)
+		ret_val = mbx->ops[mbx_id].clear(hw, mbx_id);
+
+	return ret_val;
+}
+
 /**
  * ixgbe_poll_for_msg - Wait for message notification
  * @hw: pointer to the HW structure
@@ -658,6 +678,7 @@ void ixgbe_init_mbx_params_vf(struct ixgbe_hw *hw)
 	mbx->ops[0].check_for_msg = ixgbe_check_for_msg_vf;
 	mbx->ops[0].check_for_ack = ixgbe_check_for_ack_vf;
 	mbx->ops[0].check_for_rst = ixgbe_check_for_rst_vf;
+	mbx->ops[0].clear = NULL;
 
 	mbx->stats.msgs_tx = 0;
 	mbx->stats.msgs_rx = 0;
@@ -1054,6 +1075,27 @@ static s32 ixgbe_read_mbx_pf(struct ixgbe_hw *hw, u32 *msg, u16 size,
 	return IXGBE_SUCCESS;
 }
 
+/**
+ * ixgbe_clear_mbx_pf - Clear Mailbox Memory
+ * @hw: pointer to the HW structure
+ * @vf_id: the VF index
+ *
+ * Set VFMBMEM of given VF to 0x0.
+ **/
+static s32 ixgbe_clear_mbx_pf(struct ixgbe_hw *hw, u16 vf_id)
+{
+	u16 mbx_size = hw->mbx.size;
+	u16 i;
+
+	if (vf_id > 63)
+		return IXGBE_ERR_PARAM;
+
+	for (i = 0; i < mbx_size; ++i)
+		IXGBE_WRITE_REG_ARRAY(hw, IXGBE_PFMBMEM(vf_id), i, 0x0);
+
+	return IXGBE_SUCCESS;
+}
+
 /**
  * ixgbe_init_mbx_params_pf_id - set initial values for pf mailbox
  * @hw: pointer to the HW structure
@@ -1072,6 +1114,7 @@ void ixgbe_init_mbx_params_pf_id(struct ixgbe_hw *hw, u16 vf_id)
 	mbx->ops[vf_id].check_for_msg = ixgbe_check_for_msg_pf;
 	mbx->ops[vf_id].check_for_ack = ixgbe_check_for_ack_pf;
 	mbx->ops[vf_id].check_for_rst = ixgbe_check_for_rst_pf;
+	mbx->ops[vf_id].clear = ixgbe_clear_mbx_pf;
 }
 
 /**
@@ -1147,6 +1190,7 @@ void ixgbe_upgrade_mbx_params_pf(struct ixgbe_hw *hw, u16 vf_id)
 	mbx->ops[vf_id].check_for_msg = ixgbe_check_for_msg_pf;
 	mbx->ops[vf_id].check_for_ack = ixgbe_check_for_ack_pf;
 	mbx->ops[vf_id].check_for_rst = ixgbe_check_for_rst_pf;
+	mbx->ops[vf_id].clear = ixgbe_clear_mbx_pf;
 
 	mbx->stats.msgs_tx = 0;
 	mbx->stats.msgs_rx = 0;
diff --git a/sys/dev/ixgbe/ixgbe_mbx.h b/sys/dev/ixgbe/ixgbe_mbx.h
index 3a9bd34a137f..e6519963242e 100644
--- a/sys/dev/ixgbe/ixgbe_mbx.h
+++ b/sys/dev/ixgbe/ixgbe_mbx.h
@@ -195,6 +195,7 @@ s32 ixgbe_write_mbx(struct ixgbe_hw *hw, u32 *msg, u16 size, u16 mbx_id);
 s32 ixgbe_check_for_msg(struct ixgbe_hw *hw, u16 mbx_id);
 s32 ixgbe_check_for_ack(struct ixgbe_hw *hw, u16 mbx_id);
 s32 ixgbe_check_for_rst(struct ixgbe_hw *hw, u16 mbx_id);
+s32 ixgbe_clear_mbx(struct ixgbe_hw *hw, u16 vf_number);
 void ixgbe_init_mbx_params_vf(struct ixgbe_hw *hw);
 void ixgbe_upgrade_mbx_params_vf(struct ixgbe_hw *hw);
 void ixgbe_init_mbx_params_pf(struct ixgbe_hw *hw);