d2c0234634
Move user SDMA system memory page-pinning code from user_sdma.c to pin_system.c. Put declarations for non-static functions in pinning.h. System memory pinning is necessary for processing user SDMA requests but actual steps are invisible to user SDMA request-processing code. Moving system memory pinning code for user SDMA to its own file makes this distinction apparent. These changes have no effect on userspace. Signed-off-by: Patrick Kelsey <pat.kelsey@cornelisnetworks.com> Signed-off-by: Brendan Cunningham <bcunningham@cornelisnetworks.com> Signed-off-by: Dennis Dalessandro <dennis.dalessandro@cornelisnetworks.com> Link: https://lore.kernel.org/r/169271327311.1855761.4736714053318724062.stgit@awfm-02.cornelisnetworks.com Signed-off-by: Leon Romanovsky <leon@kernel.org>
21 lines
585 B
C
21 lines
585 B
C
/* SPDX-License-Identifier: GPL-2.0 or BSD-3-Clause */
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/*
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* Copyright(c) 2023 Cornelis Networks, Inc.
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*/
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#ifndef _HFI1_PINNING_H
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#define _HFI1_PINNING_H
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struct hfi1_user_sdma_pkt_q;
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struct user_sdma_request;
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struct user_sdma_txreq;
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struct user_sdma_iovec;
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int hfi1_init_system_pinning(struct hfi1_user_sdma_pkt_q *pq);
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void hfi1_free_system_pinning(struct hfi1_user_sdma_pkt_q *pq);
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int hfi1_add_pages_to_sdma_packet(struct user_sdma_request *req,
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struct user_sdma_txreq *tx,
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struct user_sdma_iovec *iovec,
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u32 *pkt_data_remaining);
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#endif /* _HFI1_PINNING_H */
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