1 /* $NetBSD: pci_machdep.h,v 1.25 2025/03/09 01:06:42 thorpej Exp $ */ 2 3 /* 4 * Copyright (c) 1996 Carnegie-Mellon University. 5 * All rights reserved. 6 * 7 * Author: Chris G. Demetriou 8 * 9 * Permission to use, copy, modify and distribute this software and 10 * its documentation is hereby granted, provided that both the copyright 11 * notice and this permission notice appear in all copies of the 12 * software, derivative works or modified versions, and any portions 13 * thereof, and that both notices appear in supporting documentation. 14 * 15 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 16 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND 17 * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. 18 * 19 * Carnegie Mellon requests users of this software to return to 20 * 21 * Software Distribution Coordinator or Software.Distribution (at) CS.CMU.EDU 22 * School of Computer Science 23 * Carnegie Mellon University 24 * Pittsburgh PA 15213-3890 25 * 26 * any improvements or extensions that they make and grant Carnegie the 27 * rights to redistribute these changes. 28 */ 29 30 #ifndef _ALPHA_PCI_MACHDEP_H_ 31 #define _ALPHA_PCI_MACHDEP_H_ 32 33 #include <sys/errno.h> 34 35 /* 36 * Machine-specific definitions for PCI autoconfiguration. 37 */ 38 #define __HAVE_PCIIDE_MACHDEP_COMPAT_INTR_ESTABLISH 39 #define _PCI_HAVE_DMA64 40 41 /* 42 * Types provided to machine-independent PCI code 43 */ 44 typedef struct alpha_pci_chipset *pci_chipset_tag_t; 45 typedef u_long pcitag_t; 46 typedef struct { 47 u_long value; 48 } pci_intr_handle_t; 49 50 /* 51 * Forward declarations. 52 */ 53 struct pci_attach_args; 54 struct alpha_shared_intr; 55 56 /* 57 * alpha-specific PCI structure and type definitions. 58 * NOT TO BE USED DIRECTLY BY MACHINE INDEPENDENT CODE. 59 */ 60 struct alpha_pci_chipset { 61 void *pc_conf_v; 62 void (*pc_attach_hook)(device_t, device_t, 63 struct pcibus_attach_args *); 64 int (*pc_bus_maxdevs)(void *, int); 65 pcitag_t (*pc_make_tag)(void *, int, int, int); 66 void (*pc_decompose_tag)(void *, pcitag_t, int *, 67 int *, int *); 68 pcireg_t (*pc_conf_read)(void *, pcitag_t, int); 69 void (*pc_conf_write)(void *, pcitag_t, int, pcireg_t); 70 71 void *pc_intr_v; 72 int (*pc_intr_map)(const struct pci_attach_args *, 73 pci_intr_handle_t *); 74 const char *(*pc_intr_string)(pci_chipset_tag_t, 75 pci_intr_handle_t, char *, size_t); 76 const struct evcnt *(*pc_intr_evcnt)(pci_chipset_tag_t, 77 pci_intr_handle_t); 78 void *(*pc_intr_establish)(pci_chipset_tag_t, 79 pci_intr_handle_t, int, int (*)(void *), void *); 80 void (*pc_intr_disestablish)(pci_chipset_tag_t, void *); 81 82 void *(*pc_pciide_compat_intr_establish)(device_t, 83 const struct pci_attach_args *, int, 84 int (*)(void *), void *); 85 86 struct alpha_shared_intr *pc_shared_intrs; 87 const char *pc_intr_desc; 88 u_long pc_vecbase; 89 u_int pc_nirq; 90 91 u_long pc_eligible_cpus; 92 93 void (*pc_intr_enable)(pci_chipset_tag_t, int); 94 void (*pc_intr_disable)(pci_chipset_tag_t, int); 95 void (*pc_intr_set_affinity)(pci_chipset_tag_t, int, 96 struct cpu_info *); 97 }; 98 99 struct alpha_pci_intr_impl { 100 uint64_t systype; 101 void (*intr_init)(void *, bus_space_tag_t, bus_space_tag_t, 102 pci_chipset_tag_t); 103 }; 104 105 #define ALPHA_PCI_INTR_INIT(_st_, _fn_) \ 106 static const struct alpha_pci_intr_impl __CONCAT(intr_impl_st_,_st_) = {\ 107 .systype = (_st_), .intr_init = (_fn_), \ 108 }; \ 109 __link_set_add_rodata(alpha_pci_intr_impls, __CONCAT(intr_impl_st_,_st_)); 110 111 /* 112 * Functions provided to machine-independent PCI code. 113 */ 114 void pci_attach_hook(device_t, device_t, struct pcibus_attach_args *); 115 int pci_bus_maxdevs(pci_chipset_tag_t, int); 116 pcitag_t pci_make_tag(pci_chipset_tag_t, int, int, int); 117 void pci_decompose_tag(pci_chipset_tag_t, pcitag_t, int *, int *, int *); 118 pcireg_t pci_conf_read(pci_chipset_tag_t, pcitag_t, int); 119 void pci_conf_write(pci_chipset_tag_t, pcitag_t, int, pcireg_t); 120 121 int pci_intr_map(const struct pci_attach_args *, pci_intr_handle_t *); 122 const char *pci_intr_string(pci_chipset_tag_t, pci_intr_handle_t, 123 char *, size_t); 124 const struct evcnt *pci_intr_evcnt(pci_chipset_tag_t, pci_intr_handle_t); 125 void *pci_intr_establish(pci_chipset_tag_t, pci_intr_handle_t, int, 126 int (*)(void *), void *); 127 void pci_intr_disestablish(pci_chipset_tag_t, void *); 128 129 /* 130 * alpha-specific PCI functions. 131 * NOT TO BE USED DIRECTLY BY MACHINE INDEPENDENT CODE. 132 */ 133 void pci_consinit(pci_chipset_tag_t, bus_space_tag_t, bus_space_tag_t, 134 bus_space_tag_t, bus_space_tag_t); 135 void pci_display_console(bus_space_tag_t, bus_space_tag_t, 136 pci_chipset_tag_t, int, int, int); 137 void pci_find_bootdev(device_t, device_t, void *); 138 void device_pci_register(device_t, void *); 139 140 void alpha_pci_intr_init(void *, bus_space_tag_t, bus_space_tag_t, 141 pci_chipset_tag_t); 142 void alpha_pci_intr_alloc(pci_chipset_tag_t, unsigned int); 143 144 int alpha_pci_generic_intr_map(const struct pci_attach_args *, 145 pci_intr_handle_t *); 146 const char *alpha_pci_generic_intr_string(pci_chipset_tag_t, 147 pci_intr_handle_t, char *, size_t); 148 const struct evcnt *alpha_pci_generic_intr_evcnt(pci_chipset_tag_t, 149 pci_intr_handle_t); 150 void *alpha_pci_generic_intr_establish(pci_chipset_tag_t, 151 pci_intr_handle_t, int, int (*)(void *), void *); 152 void alpha_pci_generic_intr_disestablish(pci_chipset_tag_t, void *); 153 void alpha_pci_generic_iointr(void *, unsigned long); 154 155 void alpha_pci_generic_intr_redistribute(pci_chipset_tag_t); 156 157 void alpha_pci_intr_handle_init(pci_intr_handle_t *, u_int, u_int); 158 void alpha_pci_intr_handle_set_irq(pci_intr_handle_t *, u_int); 159 u_int alpha_pci_intr_handle_get_irq(const pci_intr_handle_t *); 160 void alpha_pci_intr_handle_set_flags(pci_intr_handle_t *, u_int); 161 u_int alpha_pci_intr_handle_get_flags(const pci_intr_handle_t *); 162 163 #endif /* _ALPHA_PCI_MACHDEP_H_ */ 164
Indexes created Sat Sep 20 22:09:52 GMT 2025