mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-23 19:43:33 +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>
118 lines
2.6 KiB
C
118 lines
2.6 KiB
C
/* SPDX-License-Identifier: GPL-2.0
|
|
*
|
|
* Copyright (C) 2018 Marvell International Ltd.
|
|
*/
|
|
|
|
#ifndef __RVU_H__
|
|
#define __RVU_H__
|
|
|
|
#include <asm/arch/csrs/csrs-rvu.h>
|
|
|
|
#define ALIGNED __aligned(CONFIG_SYS_CACHELINE_SIZE)
|
|
|
|
#define Q_SIZE_16 0ULL /* 16 entries */
|
|
#define Q_SIZE_64 1ULL /* 64 entries */
|
|
#define Q_SIZE_256 2ULL
|
|
#define Q_SIZE_1K 3ULL
|
|
#define Q_SIZE_4K 4ULL
|
|
#define Q_SIZE_16K 5ULL
|
|
#define Q_SIZE_64K 6ULL
|
|
#define Q_SIZE_256K 7ULL
|
|
#define Q_SIZE_1M 8ULL /* Million entries */
|
|
#define Q_SIZE_MIN Q_SIZE_16
|
|
#define Q_SIZE_MAX Q_SIZE_1M
|
|
|
|
#define Q_COUNT(x) (16ULL << (2 * (x)))
|
|
#define Q_SIZE(x, n) ((ilog2(x) - (n)) / 2)
|
|
|
|
/* Admin queue info */
|
|
|
|
/* Since we intend to add only one instruction at a time,
|
|
* keep queue size to it's minimum.
|
|
*/
|
|
#define AQ_SIZE Q_SIZE_16
|
|
/* HW head & tail pointer mask */
|
|
#define AQ_PTR_MASK 0xFFFFF
|
|
|
|
struct qmem {
|
|
void *base;
|
|
dma_addr_t iova;
|
|
size_t alloc_sz;
|
|
u32 qsize;
|
|
u8 entry_sz;
|
|
};
|
|
|
|
struct admin_queue {
|
|
struct qmem inst;
|
|
struct qmem res;
|
|
};
|
|
|
|
struct rvu_af {
|
|
struct udevice *dev;
|
|
void __iomem *af_base;
|
|
struct nix_af *nix_af;
|
|
};
|
|
|
|
struct rvu_pf {
|
|
struct udevice *dev;
|
|
struct udevice *afdev;
|
|
void __iomem *pf_base;
|
|
struct nix *nix;
|
|
u8 pfid;
|
|
int nix_lfid;
|
|
int npa_lfid;
|
|
};
|
|
|
|
/**
|
|
* Store 128 bit value
|
|
*
|
|
* @param[out] dest pointer to destination address
|
|
* @param val0 first 64 bits to write
|
|
* @param val1 second 64 bits to write
|
|
*/
|
|
static inline void st128(void *dest, u64 val0, u64 val1)
|
|
{
|
|
__asm__ __volatile__("stp %x[x0], %x[x1], [%[pm]]" :
|
|
: [x0]"r"(val0), [x1]"r"(val1), [pm]"r"(dest)
|
|
: "memory");
|
|
}
|
|
|
|
/**
|
|
* Load 128 bit value
|
|
*
|
|
* @param[in] source pointer to 128 bits of data to load
|
|
* @param[out] val0 first 64 bits of data
|
|
* @param[out] val1 second 64 bits of data
|
|
*/
|
|
static inline void ld128(const u64 *src, u64 *val0, u64 *val1)
|
|
{
|
|
__asm__ __volatile__ ("ldp %x[x0], %x[x1], [%[pm]]" :
|
|
: [x0]"r"(*val0), [x1]"r"(*val1), [pm]"r"(src));
|
|
}
|
|
|
|
void qmem_free(struct qmem *q);
|
|
int qmem_alloc(struct qmem *q, u32 qsize, size_t entry_sz);
|
|
|
|
/**
|
|
* 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);
|
|
|
|
/**
|
|
* Frees an admin queue
|
|
*
|
|
* @param aq Admin queue to free
|
|
*/
|
|
void rvu_aq_free(struct admin_queue *aq);
|
|
|
|
void rvu_get_lfid_for_pf(int pf, int *nixid, int *npaid);
|
|
|
|
#endif /* __RVU_H__ */
|