linux/drivers/infiniband/hw/erdma/erdma_cmdq.c

// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause

/* Authors: Cheng Xu <[email protected]> */
/*          Kai Shen <[email protected]> */
/* Copyright (c) 2020-2022, Alibaba Group. */

#include "erdma.h"

static void arm_cmdq_cq(struct erdma_cmdq *cmdq)
{ … }

static void kick_cmdq_db(struct erdma_cmdq *cmdq)
{ … }

static struct erdma_comp_wait *get_comp_wait(struct erdma_cmdq *cmdq)
{ … }

static void put_comp_wait(struct erdma_cmdq *cmdq,
			  struct erdma_comp_wait *comp_wait)
{ … }

static int erdma_cmdq_wait_res_init(struct erdma_dev *dev,
				    struct erdma_cmdq *cmdq)
{ … }

static int erdma_cmdq_sq_init(struct erdma_dev *dev)
{ … }

static int erdma_cmdq_cq_init(struct erdma_dev *dev)
{ … }

static int erdma_cmdq_eq_init(struct erdma_dev *dev)
{ … }

int erdma_cmdq_init(struct erdma_dev *dev)
{ … }

void erdma_finish_cmdq_init(struct erdma_dev *dev)
{ … }

void erdma_cmdq_destroy(struct erdma_dev *dev)
{ … }

static void *get_next_valid_cmdq_cqe(struct erdma_cmdq *cmdq)
{ … }

static void push_cmdq_sqe(struct erdma_cmdq *cmdq, u64 *req, size_t req_len,
			  struct erdma_comp_wait *comp_wait)
{ … }

static int erdma_poll_single_cmd_completion(struct erdma_cmdq *cmdq)
{ … }

static void erdma_polling_cmd_completions(struct erdma_cmdq *cmdq)
{ … }

void erdma_cmdq_completion_handler(struct erdma_cmdq *cmdq)
{ … }

static int erdma_poll_cmd_completion(struct erdma_comp_wait *comp_ctx,
				     struct erdma_cmdq *cmdq, u32 timeout)
{ … }

static int erdma_wait_cmd_completion(struct erdma_comp_wait *comp_ctx,
				     struct erdma_cmdq *cmdq, u32 timeout)
{ … }

void erdma_cmdq_build_reqhdr(u64 *hdr, u32 mod, u32 op)
{ … }

int erdma_post_cmd_wait(struct erdma_cmdq *cmdq, void *req, u32 req_size,
			u64 *resp0, u64 *resp1)
{ … }