From 6778948f9de86c3cfaf36725a7c87dcff9ba247f Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 11 Dec 2023 08:20:59 +0000
Subject: [PATCH] kernel_5.10 no rt
---
kernel/drivers/net/ethernet/huawei/hinic/hinic_hw_api_cmd.c | 61 ++++++++++++++++++------------
1 files changed, 37 insertions(+), 24 deletions(-)
diff --git a/kernel/drivers/net/ethernet/huawei/hinic/hinic_hw_api_cmd.c b/kernel/drivers/net/ethernet/huawei/hinic/hinic_hw_api_cmd.c
index c40603a..9553d28 100644
--- a/kernel/drivers/net/ethernet/huawei/hinic/hinic_hw_api_cmd.c
+++ b/kernel/drivers/net/ethernet/huawei/hinic/hinic_hw_api_cmd.c
@@ -1,16 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Huawei HiNIC PCI Express Linux driver
* Copyright(c) 2017 Huawei Technologies Co., Ltd
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
- * for more details.
- *
*/
#include <linux/kernel.h>
@@ -121,6 +112,26 @@
return HINIC_API_CMD_STATUS_GET(val, CONS_IDX);
}
+static void dump_api_chain_reg(struct hinic_api_cmd_chain *chain)
+{
+ u32 addr, val;
+
+ addr = HINIC_CSR_API_CMD_STATUS_ADDR(chain->chain_type);
+ val = hinic_hwif_read_reg(chain->hwif, addr);
+
+ dev_err(&chain->hwif->pdev->dev, "Chain type: 0x%x, cpld error: 0x%x, check error: 0x%x, current fsm: 0x%x\n",
+ chain->chain_type, HINIC_API_CMD_STATUS_GET(val, CPLD_ERR),
+ HINIC_API_CMD_STATUS_GET(val, CHKSUM_ERR),
+ HINIC_API_CMD_STATUS_GET(val, FSM));
+
+ dev_err(&chain->hwif->pdev->dev, "Chain hw current ci: 0x%x\n",
+ HINIC_API_CMD_STATUS_GET(val, CONS_IDX));
+
+ addr = HINIC_CSR_API_CMD_CHAIN_PI_ADDR(chain->chain_type);
+ val = hinic_hwif_read_reg(chain->hwif, addr);
+ dev_err(&chain->hwif->pdev->dev, "Chain hw current pi: 0x%x\n", val);
+}
+
/**
* chain_busy - check if the chain is still processing last requests
* @chain: chain to check
@@ -140,8 +151,10 @@
/* check for a space for a new command */
if (chain->cons_idx == MASKED_IDX(chain, prod_idx + 1)) {
- dev_err(&pdev->dev, "API CMD chain %d is busy\n",
- chain->chain_type);
+ dev_err(&pdev->dev, "API CMD chain %d is busy, cons_idx: %d, prod_idx: %d\n",
+ chain->chain_type, chain->cons_idx,
+ chain->prod_idx);
+ dump_api_chain_reg(chain);
return -EBUSY;
}
break;
@@ -341,6 +354,7 @@
err = wait_for_status_poll(chain);
if (err) {
dev_err(&pdev->dev, "API CMD Poll status timeout\n");
+ dump_api_chain_reg(chain);
break;
}
break;
@@ -359,7 +373,7 @@
* @chain: chain for the command
* @dest: destination node on the card that will receive the command
* @cmd: command data
- * @size: the command size
+ * @cmd_size: the command size
*
* Return 0 - Success, negative - Failure
**/
@@ -613,8 +627,8 @@
u8 *cmd_vaddr;
int err = 0;
- cmd_vaddr = dma_zalloc_coherent(&pdev->dev, API_CMD_BUF_SIZE,
- &cmd_paddr, GFP_KERNEL);
+ cmd_vaddr = dma_alloc_coherent(&pdev->dev, API_CMD_BUF_SIZE,
+ &cmd_paddr, GFP_KERNEL);
if (!cmd_vaddr) {
dev_err(&pdev->dev, "Failed to allocate API CMD DMA memory\n");
return -ENOMEM;
@@ -663,8 +677,8 @@
dma_addr_t node_paddr;
int err;
- node = dma_zalloc_coherent(&pdev->dev, chain->cell_size,
- &node_paddr, GFP_KERNEL);
+ node = dma_alloc_coherent(&pdev->dev, chain->cell_size, &node_paddr,
+ GFP_KERNEL);
if (!node) {
dev_err(&pdev->dev, "Failed to allocate dma API CMD cell\n");
return -ENOMEM;
@@ -804,7 +818,6 @@
{
struct hinic_hwif *hwif = attr->hwif;
struct pci_dev *pdev = hwif->pdev;
- size_t cell_ctxt_size;
chain->hwif = hwif;
chain->chain_type = attr->chain_type;
@@ -816,15 +829,15 @@
sema_init(&chain->sem, 1);
- cell_ctxt_size = chain->num_cells * sizeof(*chain->cell_ctxt);
- chain->cell_ctxt = devm_kzalloc(&pdev->dev, cell_ctxt_size, GFP_KERNEL);
+ chain->cell_ctxt = devm_kcalloc(&pdev->dev, chain->num_cells,
+ sizeof(*chain->cell_ctxt), GFP_KERNEL);
if (!chain->cell_ctxt)
return -ENOMEM;
- chain->wb_status = dma_zalloc_coherent(&pdev->dev,
- sizeof(*chain->wb_status),
- &chain->wb_status_paddr,
- GFP_KERNEL);
+ chain->wb_status = dma_alloc_coherent(&pdev->dev,
+ sizeof(*chain->wb_status),
+ &chain->wb_status_paddr,
+ GFP_KERNEL);
if (!chain->wb_status) {
dev_err(&pdev->dev, "Failed to allocate DMA wb status\n");
return -ENOMEM;
--
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