From 9370bb92b2d16684ee45cf24e879c93c509162da Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Thu, 19 Dec 2024 01:47:39 +0000
Subject: [PATCH] add wifi6 8852be driver
---
kernel/drivers/infiniband/hw/hfi1/user_sdma.h | 28 +++++++++++-----------------
1 files changed, 11 insertions(+), 17 deletions(-)
diff --git a/kernel/drivers/infiniband/hw/hfi1/user_sdma.h b/kernel/drivers/infiniband/hw/hfi1/user_sdma.h
index 2c05670..b2b26b7 100644
--- a/kernel/drivers/infiniband/hw/hfi1/user_sdma.h
+++ b/kernel/drivers/infiniband/hw/hfi1/user_sdma.h
@@ -1,6 +1,7 @@
#ifndef _HFI1_USER_SDMA_H
#define _HFI1_USER_SDMA_H
/*
+ * Copyright(c) 2020 - Cornelis Networks, Inc.
* Copyright(c) 2015 - 2018 Intel Corporation.
*
* This file is provided under a dual BSD/GPLv2 license. When using or
@@ -52,6 +53,7 @@
#include "common.h"
#include "iowait.h"
#include "user_exp_rcv.h"
+#include "mmu_rb.h"
/* The maximum number of Data io vectors per message/request */
#define MAX_VECTORS_PER_REQ 8
@@ -110,12 +112,6 @@
SDMA_PKT_Q_DEFERRED,
};
-/*
- * Maximum retry attempts to submit a TX request
- * before putting the process to sleep.
- */
-#define MAX_DEFER_RETRY_COUNT 1
-
#define SDMA_IOWAIT_TIMEOUT 1000 /* in milliseconds */
#define SDMA_DBG(req, fmt, ...) \
@@ -139,7 +135,6 @@
unsigned long unpinned;
struct mmu_rb_handler *handler;
atomic_t n_locked;
- struct mm_struct *mm;
};
struct hfi1_user_sdma_comp_q {
@@ -150,7 +145,6 @@
struct sdma_mmu_node {
struct mmu_rb_node rb;
struct hfi1_user_sdma_pkt_q *pq;
- atomic_t refcount;
struct page **pages;
unsigned int npages;
};
@@ -158,16 +152,11 @@
struct user_sdma_iovec {
struct list_head list;
struct iovec iov;
- /* number of pages in this vector */
- unsigned int npages;
- /* array of pinned pages for this vector */
- struct page **pages;
/*
* offset into the virtual address space of the vector at
* which we last left off.
*/
u64 offset;
- struct sdma_mmu_node *node;
};
/* evict operation argument */
@@ -204,12 +193,12 @@
s8 ahg_idx;
/* Writeable fields shared with interrupt */
- u64 seqcomp ____cacheline_aligned_in_smp;
- u64 seqsubmitted;
+ u16 seqcomp ____cacheline_aligned_in_smp;
+ u16 seqsubmitted;
/* Send side fields */
struct list_head txps ____cacheline_aligned_in_smp;
- u64 seqnum;
+ u16 seqnum;
/*
* KDETH.OFFSET (TID) field
* The offset can cover multiple packets, depending on the
@@ -245,7 +234,7 @@
struct list_head list;
struct user_sdma_request *req;
u16 flags;
- u64 seqnum;
+ u16 seqnum;
};
int hfi1_user_sdma_alloc_queues(struct hfi1_ctxtdata *uctxt,
@@ -256,4 +245,9 @@
struct iovec *iovec, unsigned long dim,
unsigned long *count);
+static inline struct mm_struct *mm_from_sdma_node(struct sdma_mmu_node *node)
+{
+ return node->rb.handler->mn.mm;
+}
+
#endif /* _HFI1_USER_SDMA_H */
--
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