From 50a212ec906f7524620675f0c57357691c26c81f Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 16 Oct 2024 01:20:19 +0000
Subject: [PATCH] 修改GPIO导出默认初始值
---
kernel/drivers/infiniband/hw/hfi1/user_exp_rcv.h | 15 ++++++++++++---
1 files changed, 12 insertions(+), 3 deletions(-)
diff --git a/kernel/drivers/infiniband/hw/hfi1/user_exp_rcv.h b/kernel/drivers/infiniband/hw/hfi1/user_exp_rcv.h
index e383cc0..849f265 100644
--- a/kernel/drivers/infiniband/hw/hfi1/user_exp_rcv.h
+++ b/kernel/drivers/infiniband/hw/hfi1/user_exp_rcv.h
@@ -1,6 +1,7 @@
#ifndef _HFI1_USER_EXP_RCV_H
#define _HFI1_USER_EXP_RCV_H
/*
+ * Copyright(c) 2020 - Cornelis Networks, Inc.
* Copyright(c) 2015 - 2017 Intel Corporation.
*
* This file is provided under a dual BSD/GPLv2 license. When using or
@@ -48,7 +49,6 @@
*/
#include "hfi.h"
-
#include "exp_rcv.h"
struct tid_pageset {
@@ -57,6 +57,8 @@
};
struct tid_user_buf {
+ struct mmu_interval_notifier notifier;
+ struct mutex cover_mutex;
unsigned long vaddr;
unsigned long length;
unsigned int npages;
@@ -66,14 +68,16 @@
};
struct tid_rb_node {
- struct mmu_rb_node mmu;
+ struct mmu_interval_notifier notifier;
+ struct hfi1_filedata *fdata;
+ struct mutex invalidate_mutex; /* covers hw removal */
unsigned long phys;
struct tid_group *grp;
u32 rcventry;
dma_addr_t dma_addr;
bool freed;
unsigned int npages;
- struct page *pages[0];
+ struct page *pages[];
};
static inline int num_user_pages(unsigned long addr,
@@ -95,4 +99,9 @@
int hfi1_user_exp_rcv_invalid(struct hfi1_filedata *fd,
struct hfi1_tid_info *tinfo);
+static inline struct mm_struct *mm_from_tid_node(struct tid_rb_node *node)
+{
+ return node->notifier.mm;
+}
+
#endif /* _HFI1_USER_EXP_RCV_H */
--
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