1 /* SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0) 2 * 3 * Copyright 2010-2011 Freescale Semiconductor, Inc. 4 * All rights reserved. 5 * Copyright 2019 NXP 6 * 7 */ 8 9 #ifndef __FSL_USD_H 10 #define __FSL_USD_H 11 12 #include <compat.h> 13 #include <fsl_qman.h> 14 15 #ifdef __cplusplus 16 extern "C" { 17 #endif 18 19 /* Thread-entry/exit hooks; */ 20 int qman_thread_init(void); 21 int bman_thread_init(void); 22 int qman_thread_finish(void); 23 int bman_thread_finish(void); 24 25 #define QBMAN_ANY_PORTAL_IDX 0xffffffff 26 27 /* Obtain and free raw (unitialized) portals */ 28 29 struct dpaa_raw_portal { 30 /* inputs */ 31 32 /* set to non zero to turn on stashing */ 33 uint8_t enable_stash; 34 /* Stashing attributes for the portal */ 35 uint32_t cpu; 36 uint32_t cache; 37 uint32_t window; 38 39 /* Specifies the stash request queue this portal should use */ 40 uint8_t sdest; 41 42 /* Specifes a specific portal index to map or QBMAN_ANY_PORTAL_IDX 43 * for don't care. The portal index will be populated by the 44 * driver when the ioctl() successfully completes. 45 */ 46 uint32_t index; 47 48 /* outputs */ 49 uint64_t cinh; 50 uint64_t cena; 51 }; 52 53 int qman_allocate_raw_portal(struct dpaa_raw_portal *portal); 54 int qman_free_raw_portal(struct dpaa_raw_portal *portal); 55 56 int bman_allocate_raw_portal(struct dpaa_raw_portal *portal); 57 int bman_free_raw_portal(struct dpaa_raw_portal *portal); 58 59 /* Obtain thread-local UIO file-descriptors */ 60 int qman_thread_fd(void); 61 int bman_thread_fd(void); 62 63 /* Post-process interrupts. NB, the kernel IRQ handler disables the interrupt 64 * line before notifying us, and this post-processing re-enables it once 65 * processing is complete. As such, it is essential to call this before going 66 * into another blocking read/select/poll. 67 */ 68 void qman_thread_irq(void); 69 void bman_thread_irq(void); 70 void qman_fq_portal_thread_irq(struct qman_portal *qp); 71 72 void qman_clear_irq(void); 73 74 /* Global setup */ 75 int qman_global_init(void); 76 int bman_global_init(void); 77 78 /* Direct portal create and destroy */ 79 struct qman_portal *fsl_qman_fq_portal_create(int *fd); 80 int fsl_qman_fq_portal_destroy(struct qman_portal *qp); 81 int fsl_qman_fq_portal_init(struct qman_portal *qp); 82 83 #ifdef __cplusplus 84 } 85 #endif 86 87 #endif /* __FSL_USD_H */ 88