mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-17 02:08:38 +00:00
185f812c41
Sphinx expects Return: and not @return to indicate a return value.
find . -name '*.c' -exec \
sed -i 's/^\(\s\)\*\(\s*\)@return\(\s\)/\1*\2Return:\3/' {} \;
find . -name '*.h' -exec \
sed -i 's/^\(\s\)\*\(\s*\)@return\(\s\)/\1*\2Return:\3/' {} \;
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
71 lines
1.4 KiB
C
71 lines
1.4 KiB
C
// SPDX-License-Identifier: GPL-2.0
|
|
/*
|
|
* Copyright (C) 2018 Marvell International Ltd.
|
|
*/
|
|
|
|
#include <dm.h>
|
|
#include <errno.h>
|
|
#include <malloc.h>
|
|
#include <misc.h>
|
|
#include <net.h>
|
|
#include <asm/io.h>
|
|
|
|
#include "rvu.h"
|
|
|
|
int qmem_alloc(struct qmem *q, u32 qsize, size_t entry_sz)
|
|
{
|
|
q->base = memalign(CONFIG_SYS_CACHELINE_SIZE, qsize * entry_sz);
|
|
if (!q->base)
|
|
return -ENOMEM;
|
|
q->entry_sz = entry_sz;
|
|
q->qsize = qsize;
|
|
q->alloc_sz = (size_t)qsize * entry_sz;
|
|
q->iova = (dma_addr_t)(q->base);
|
|
debug("NIX: qmem alloc for (%d * %d = %ld bytes) at %p\n",
|
|
q->qsize, q->entry_sz, q->alloc_sz, q->base);
|
|
return 0;
|
|
}
|
|
|
|
void qmem_free(struct qmem *q)
|
|
{
|
|
if (q->base)
|
|
free(q->base);
|
|
memset(q, 0, sizeof(*q));
|
|
}
|
|
|
|
/**
|
|
* Allocates an admin queue for instructions and results
|
|
*
|
|
* @param aq admin queue to allocate for
|
|
* @param qsize Number of entries in the queue
|
|
* @param inst_size Size of each instruction
|
|
* @param res_size Size of each result
|
|
*
|
|
* Return: -ENOMEM on error, 0 on success
|
|
*/
|
|
int rvu_aq_alloc(struct admin_queue *aq, unsigned int qsize,
|
|
size_t inst_size, size_t res_size)
|
|
{
|
|
int err;
|
|
|
|
err = qmem_alloc(&aq->inst, qsize, inst_size);
|
|
if (err)
|
|
return err;
|
|
err = qmem_alloc(&aq->res, qsize, res_size);
|
|
if (err)
|
|
qmem_free(&aq->inst);
|
|
|
|
return err;
|
|
}
|
|
|
|
/**
|
|
* Frees an admin queue
|
|
*
|
|
* @param aq Admin queue to free
|
|
*/
|
|
void rvu_aq_free(struct admin_queue *aq)
|
|
{
|
|
qmem_free(&aq->inst);
|
|
qmem_free(&aq->res);
|
|
memset(aq, 0, sizeof(*aq));
|
|
}
|