f-stack/dpdk/drivers/bus/dpaa/include/fsl_usd.h

95 lines
2.2 KiB
C

/* SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0)
*
* Copyright 2010-2011 Freescale Semiconductor, Inc.
* All rights reserved.
* Copyright 2019 NXP
*
*/
#ifndef __FSL_USD_H
#define __FSL_USD_H
#include <compat.h>
#include <dpaa_list.h>
#include <fsl_qman.h>
#ifdef __cplusplus
extern "C" {
#endif
/* Thread-entry/exit hooks; */
int qman_thread_init(void);
int bman_thread_init(void);
int qman_thread_finish(void);
int bman_thread_finish(void);
#define QBMAN_ANY_PORTAL_IDX 0xffffffff
/* Obtain and free raw (unitialized) portals */
struct dpaa_raw_portal {
/* inputs */
/* set to non zero to turn on stashing */
uint8_t enable_stash;
/* Stashing attributes for the portal */
uint32_t cpu;
uint32_t cache;
uint32_t window;
/* Specifies the stash request queue this portal should use */
uint8_t sdest;
/* Specifies a specific portal index to map or QBMAN_ANY_PORTAL_IDX
* for don't care. The portal index will be populated by the
* driver when the ioctl() successfully completes.
*/
uint32_t index;
/* outputs */
uint64_t cinh;
uint64_t cena;
};
int qman_allocate_raw_portal(struct dpaa_raw_portal *portal);
int qman_free_raw_portal(struct dpaa_raw_portal *portal);
int bman_allocate_raw_portal(struct dpaa_raw_portal *portal);
int bman_free_raw_portal(struct dpaa_raw_portal *portal);
/* Obtain thread-local UIO file-descriptors */
__rte_internal
int qman_thread_fd(void);
int bman_thread_fd(void);
/* Post-process interrupts. NB, the kernel IRQ handler disables the interrupt
* line before notifying us, and this post-processing re-enables it once
* processing is complete. As such, it is essential to call this before going
* into another blocking read/select/poll.
*/
__rte_internal
void qman_thread_irq(void);
__rte_internal
void bman_thread_irq(void);
__rte_internal
void qman_fq_portal_thread_irq(struct qman_portal *qp);
__rte_internal
void qman_clear_irq(void);
/* Global setup */
int qman_global_init(void);
int bman_global_init(void);
/* Direct portal create and destroy */
__rte_internal
struct qman_portal *fsl_qman_fq_portal_create(int *fd);
int fsl_qman_fq_portal_destroy(struct qman_portal *qp);
int fsl_qman_fq_portal_init(struct qman_portal *qp);
#ifdef __cplusplus
}
#endif
#endif /* __FSL_USD_H */