enable docker ppp

hc

2023-12-09 95099d4622f8cb224d94e314c7a8e0df60b13f87

 kernel/drivers/infiniband/hw/hfi1/user_sdma.h
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@@ -1,6 +1,7 @@
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 #ifndef _HFI1_USER_SDMA_H
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 #define _HFI1_USER_SDMA_H
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 /*
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+ * Copyright(c) 2020 - Cornelis Networks, Inc.
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  * Copyright(c) 2015 - 2018 Intel Corporation.
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  *
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  * This file is provided under a dual BSD/GPLv2 license.  When using or
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@@ -110,12 +111,6 @@
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 	SDMA_PKT_Q_DEFERRED,
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 };
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-/*
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- * Maximum retry attempts to submit a TX request
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- * before putting the process to sleep.
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- */
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-#define MAX_DEFER_RETRY_COUNT 1
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-
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 #define SDMA_IOWAIT_TIMEOUT 1000 /* in milliseconds */
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 #define SDMA_DBG(req, fmt, ...)				     \
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@@ -139,7 +134,6 @@
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 	unsigned long unpinned;
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 	struct mmu_rb_handler *handler;
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 	atomic_t n_locked;
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-	struct mm_struct *mm;
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 };
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 struct hfi1_user_sdma_comp_q {
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@@ -204,12 +198,12 @@
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 	s8 ahg_idx;
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 	/* Writeable fields shared with interrupt */
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-	u64 seqcomp ____cacheline_aligned_in_smp;
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-	u64 seqsubmitted;
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+	u16 seqcomp ____cacheline_aligned_in_smp;
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+	u16 seqsubmitted;
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 	/* Send side fields */
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 	struct list_head txps ____cacheline_aligned_in_smp;
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-	u64 seqnum;
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+	u16 seqnum;
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 	/*
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 	 * KDETH.OFFSET (TID) field
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 	 * The offset can cover multiple packets, depending on the
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@@ -245,7 +239,7 @@
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 	struct list_head list;
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 	struct user_sdma_request *req;
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 	u16 flags;
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-	u64 seqnum;
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+	u16 seqnum;
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 };
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 int hfi1_user_sdma_alloc_queues(struct hfi1_ctxtdata *uctxt,
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@@ -256,4 +250,9 @@
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 				   struct iovec *iovec, unsigned long dim,
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 				   unsigned long *count);
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+static inline struct mm_struct *mm_from_sdma_node(struct sdma_mmu_node *node)
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+{
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+	return node->rb.handler->mn.mm;
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+}
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+
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 #endif /* _HFI1_USER_SDMA_H */