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efa_com.c

Source contains an unconditional loopAssigns a negative errno constant

SHA-256934e762bd0135649a5ee1b91334f29a6cd4e41f18bb42796c350b8a4231913cd

Evidence

imports efa_com.h lines 1–13

1// SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause
2/*
3 * Copyright 2018-2025 Amazon.com, Inc. or its affiliates. All rights reserved.
4 */
5
6#include <linux/log2.h>
7
8#include "efa_com.h"
9#include "efa_regs_defs.h"
10
11#define ADMIN_CMD_TIMEOUT_US 30000000 /* usecs */
12
13#define EFA_REG_READ_TIMEOUT_US 50000 /*  …

Kernel error code return lines 138–148

138:25… >dmadev, size, &sq->dma_addr, GFP_KERNEL);
139	if (!sq->entries)
140		return -ENOMEM;
141
142	spin_lock_init(&sq->lock);
⋯6 lines

English function-word token "the" lines 236–242

43… S_AENQ_CAPS_OFF);
237
/*
* Init cons_db to mark that all entries in the queue
* are initially available
*/
writel(edev->aenq.cc, edev->reg_bar + EFA_REGS_AENQ_CON …

Copies bytes with native memcpy lines 349–358

26… ctx->wait_event);
350
aqe = &aq->sq.entries[pi];
memset(aqe, 0, sizeof(*aqe));
memcpy(aqe, cmd, cmd_size_in_bytes);
354
aq->sq.pc++;
atomic64_inc(&aq->stats.submitted_cmd);
357
if ((aq->sq.pc & queue_size_mask) == 0) …

Assigns a negative errno constant lines 530–542

18… pletion (polling) timeout\n");
	/* EFA didn't have any completion */
	atomic64_inc(&aq->stats.no_completion);
533
	clear_bit(EFA_AQ_STATE_RUNNING_BIT, &aq->state);
	err = -ETIME;
	goto out;
}
⋯5 lines