projects / OpenSPARC-T2-SAM / blame
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|---|---|---|
| 920dae64 AT |
1 | /* |
| 2 | * ========== Copyright Header Begin ========================================== | |
| 3 | * | |
| 4 | * OpenSPARC T2 Processor File: pcie_device.h | |
| 5 | * Copyright (c) 2006 Sun Microsystems, Inc. All Rights Reserved. | |
| 6 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES. | |
| 7 | * | |
| 8 | * The above named program is free software; you can redistribute it and/or | |
| 9 | * modify it under the terms of the GNU General Public | |
| 10 | * License version 2 as published by the Free Software Foundation. | |
| 11 | * | |
| 12 | * The above named program is distributed in the hope that it will be | |
| 13 | * useful, but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 15 | * General Public License for more details. | |
| 16 | * | |
| 17 | * You should have received a copy of the GNU General Public | |
| 18 | * License along with this work; if not, write to the Free Software | |
| 19 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. | |
| 20 | * | |
| 21 | * ========== Copyright Header End ============================================ | |
| 22 | */ | |
| 23 | /* | |
| 24 | * Copyright 2006 Sun Microsystems, Inc. All rights reserved. | |
| 25 | * Use is subject to license terms. | |
| 26 | */ | |
| 27 | ||
| 28 | #ifndef _PCIE_DEVICE_H | |
| 29 | #define _PCIE_DEVICE_H | |
| 30 | ||
| 31 | #pragma ident "@(#)pcie_device.h 1.4 06/10/05 SMI" | |
| 32 | ||
| 33 | /* | |
| 34 | * This file contains function prototypes and data structures | |
| 35 | * for PCIE device generic support | |
| 36 | */ | |
| 37 | ||
| 38 | #ifdef __cplusplus | |
| 39 | extern "C" { | |
| 40 | #endif | |
| 41 | ||
| 42 | /* | |
| 43 | * Structure used to implement PCIE interface unit model | |
| 44 | * (it's named as PIU for Niagara 2) | |
| 45 | */ | |
| 46 | typedef struct PCIE_MODEL pcie_model_t; | |
| 47 | ||
| 48 | /* | |
| 49 | * Macros, structs used in PCIE device | |
| 50 | */ | |
| 51 | #define PCIE_REQ_ID(bus,dev,fun) ((bus<<8)|((MASK64(4,0)&dev)<<3)|(MASK64(2,0)&fun)) | |
| 52 | #define PCIE_BUS_NO(req_id) ((req_id & MASK64(15,8))>>8) | |
| 53 | #define PCIE_DEV_NO(req_id) ((req_id & MASK64(7,3))>>3) | |
| 54 | #define PCIE_FUN_NO(req_id) ((req_id & MASK64(2,0))) | |
| 55 | ||
| 56 | typedef enum { | |
| 57 | PCIE_IS32 = 0, | |
| 58 | PCIE_IS64 = 1 | |
| 59 | } dev_mode_t; | |
| 60 | ||
| 61 | typedef enum { | |
| 62 | PCIE_CFG = 0, | |
| 63 | PCIE_IO = 1, | |
| 64 | PCIE_MEM32 = 2, | |
| 65 | PCIE_MEM64 = 3 | |
| 66 | } pcie_space_t; | |
| 67 | ||
| 68 | /* | |
| 69 | * PCIE interface for down bound transaction | |
| 70 | */ | |
| 71 | typedef struct pcie_dwbound { | |
| 72 | bool_t (*mem_access)(void *hdl, uint64_t addr, uint64_t *datap, uint32_t count, dev_access_t type, | |
| 73 | pcie_space_t space_id); | |
| 74 | int (*bar_test)(void *hdl, uint64_t addr, pcie_space_t space_id); | |
| 75 | } pcie_dwbound_t; | |
| 76 | ||
| 77 | /* | |
| 78 | * PCIE access interface for upbound transaction | |
| 79 | */ | |
| 80 | typedef struct pcie_upbound { | |
| 81 | bool_t (*dma_access)(pcie_model_t *pcie_model, tvaddr_t va, uint8_t *datap, int count, | |
| 82 | uint16_t req_id, dev_access_t type, dev_mode_t mode); | |
| 83 | bool_t (*assert_intx)(pcie_model_t *pcie_model, uint8_t pin_no, uint8_t dev_no); | |
| 84 | bool_t (*deassert_intx)(pcie_model_t *pcie_model, uint8_t pin_no, uint8_t dev_no); | |
| 85 | } pcie_upbound_t; | |
| 86 | ||
| 87 | ||
| 88 | /* | |
| 89 | * PCIE device instance (an instance of a pcie device type) | |
| 90 | */ | |
| 91 | typedef struct pcie_dev_inst { | |
| 92 | uint16_t req_id; /* 16 bit request ID (8 bit bus_no, 5 bit dev_no, 3 bit fun_no */ | |
| 93 | ||
| 94 | pcie_dwbound_t *pcie_dp; | |
| 95 | void *hdl; | |
| 96 | ||
| 97 | pcie_upbound_t *pcie_up; | |
| 98 | pcie_model_t *pcie_modp; | |
| 99 | ||
| 100 | struct pcie_dev_inst *next; | |
| 101 | } pcie_dev_inst_t; | |
| 102 | ||
| 103 | ||
| 104 | /* | |
| 105 | * PCIE device type (derived from DEV_TYPE) | |
| 106 | */ | |
| 107 | typedef struct pcie_dev_type { | |
| 108 | char *dev_type_namep; | |
| 109 | void (*dev_init)(struct pcie_dev_inst *); | |
| 110 | void (*dev_parse)(void *); | |
| 111 | void (*dev_dump)(void *); | |
| 112 | } pcie_dev_type_t; | |
| 113 | ||
| 114 | ||
| 115 | /* | |
| 116 | * PCIE Mondo interrupt | |
| 117 | */ | |
| 118 | typedef struct PCIE_MONDO { | |
| 119 | int thread_id; | |
| 120 | uint64_t data[8]; | |
| 121 | } pcie_mondo_t; | |
| 122 | ||
| 123 | ||
| 124 | #ifdef __cplusplus | |
| 125 | } | |
| 126 | #endif | |
| 127 | ||
| 128 | #endif /* _PCIE_DEVICE_H */ |