Update Linux to v5.4.2
Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/include/linux/switchtec.h b/include/linux/switchtec.h
index ab400af..e295515 100644
--- a/include/linux/switchtec.h
+++ b/include/linux/switchtec.h
@@ -1,16 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Microsemi Switchtec PCIe Driver
* Copyright (c) 2017, Microsemi Corporation
- *
- * 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.
- *
*/
#ifndef _SWITCHTEC_H
@@ -20,7 +11,7 @@
#include <linux/cdev.h>
#define SWITCHTEC_MRPC_PAYLOAD_SIZE 1024
-#define SWITCHTEC_MAX_PFF_CSR 48
+#define SWITCHTEC_MAX_PFF_CSR 255
#define SWITCHTEC_EVENT_OCCURRED BIT(0)
#define SWITCHTEC_EVENT_CLEAR BIT(0)
@@ -29,6 +20,7 @@
#define SWITCHTEC_EVENT_EN_IRQ BIT(3)
#define SWITCHTEC_EVENT_FATAL BIT(4)
+#define SWITCHTEC_DMA_MRPC_EN BIT(0)
enum {
SWITCHTEC_GAS_MRPC_OFFSET = 0x0000,
SWITCHTEC_GAS_TOP_CFG_OFFSET = 0x1000,
@@ -46,6 +38,10 @@
u32 cmd;
u32 status;
u32 ret_value;
+ u32 dma_en;
+ u64 dma_addr;
+ u32 dma_vector;
+ u32 dma_ver;
} __packed;
enum mrpc_status {
@@ -243,9 +239,13 @@
u32 win_size;
u64 xlate_addr;
} bar_entry[6];
- u32 reserved2[216];
- u32 req_id_table[256];
- u32 reserved3[512];
+ struct {
+ u32 win_size;
+ u32 reserved[3];
+ } bar_ext_entry[6];
+ u32 reserved2[192];
+ u32 req_id_table[512];
+ u32 reserved3[256];
u64 lut_entry[512];
} __packed;
@@ -342,6 +342,14 @@
struct switchtec_ntb;
+struct dma_mrpc_output {
+ u32 status;
+ u32 cmd_id;
+ u32 rtn_code;
+ u32 output_size;
+ u8 data[SWITCHTEC_MRPC_PAYLOAD_SIZE];
+};
+
struct switchtec_dev {
struct pci_dev *pdev;
struct device dev;
@@ -381,6 +389,9 @@
u8 link_event_count[SWITCHTEC_MAX_PFF_CSR];
struct switchtec_ntb *sndev;
+
+ struct dma_mrpc_output *dma_mrpc;
+ dma_addr_t dma_mrpc_dma_addr;
};
static inline struct switchtec_dev *to_stdev(struct device *dev)