1 /*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21 /*
22 * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
23 */
24
25 /*
26 * Copyright 2019, Joyent, Inc.
27 */
28
29 #ifndef _SYS_PCIEB_H
30 #define _SYS_PCIEB_H
31
32 #ifdef __cplusplus
33 extern "C" {
34 #endif
35
36 #if defined(DEBUG)
37 #define PCIEB_DEBUG pcieb_dbg
38 extern void pcieb_dbg(uint_t bit, dev_info_t *dip, char *fmt, ...);
39 #else /* DEBUG */
40 #define PCIEB_DEBUG(...) (void)(0)
41 #endif /* DEBUG */
42
43 typedef enum { /* same sequence as pcieb_debug_sym[] */
44 /* 0 */ DBG_ATTACH,
45 /* 1 */ DBG_PWR,
46 /* 2 */ DBG_INTR
47 } pcieb_debug_bit_t;
48
49 /*
50 * Intel specific register offsets with bit definitions.
51 */
52 #define PCIEB_PX_CAPABILITY_ID 0x44
53 #define PCIEB_BRIDGE_CONF 0x40
54
55 /*
56 * PCI/PCI-E Configuration register specific values.
57 */
58 #define PX_PMODE 0x4000 /* PCI/PCIX Mode */
59 #define PX_PFREQ_66 0x200 /* PCI clock frequency */
60 #define PX_PFREQ_100 0x400
61 #define PX_PFREQ_133 0x600
62 #define PX_PMRE 0x80 /* Peer memory read enable */
63
64 /*
65 * Downstream delayed transaction resource partitioning.
66 */
67 #define PX_ODTP 0x40 /* Max. of two entries PX and PCI */
68
69 /*
70 * Maximum upstream delayed transaction.
71 */
72 #define PX_MDT_44 0x00
73 #define PX_MDT_11 0x01
74 #define PX_MDT_22 0x10
75
76 #define NUM_LOGICAL_SLOTS 32
77 #define PCIEB_RANGE_LEN 2
78 #define PCIEB_32BIT_IO 1
79 #define PCIEB_32bit_MEM 1
80 #define PCIEB_MEMGRAIN 0x100000
81 #define PCIEB_IOGRAIN 0x1000
82
83 #define PCIEB_16bit_IOADDR(addr) ((uint16_t)(((uint8_t)(addr) & 0xF0) << 8))
84 #define PCIEB_LADDR(lo, hi) (((uint16_t)(hi) << 16) | (uint16_t)(lo))
85 #define PCIEB_32bit_MEMADDR(addr) (PCIEB_LADDR(0, ((uint16_t)(addr) & 0xFFF0)))
86
87 /*
88 * Intel 41210 PCIe-to-PCI Bridge has two Functions F0 and F2:
89 * VID: 0x8086
90 * DID: F0 = 0x340, F2 = 0x341
91 */
92 #define PCIEB_IS_41210_F0(bus_dev_ven_id) (bus_dev_ven_id == 0x3408086)
93 #define PCIEB_IS_41210_F2(bus_dev_ven_id) (bus_dev_ven_id == 0x3418086)
94 #define PCIEB_IS_41210_BRIDGE(bus_dev_ven_id) \
95 (PCIEB_IS_41210_F0(bus_dev_ven_id) || PCIEB_IS_41210_F2(bus_dev_ven_id))
96
97 typedef struct {
98 dev_info_t *pcieb_dip;
99
100 /* Interrupt support */
101 ddi_intr_handle_t *pcieb_htable; /* Intr Handlers */
102 int pcieb_htable_size; /* htable size */
103 int pcieb_intr_count; /* Num of Intr */
104 uint_t pcieb_intr_priority; /* Intr Priority */
105 int pcieb_intr_type; /* (MSI | FIXED) */
106 int pcieb_isr_tab[4]; /* MSI source offset */
107
108 int pcieb_init_flags;
109 kmutex_t pcieb_mutex; /* Soft state mutex */
110 kmutex_t pcieb_intr_mutex; /* Intr handler mutex */
111 kmutex_t pcieb_err_mutex; /* Error mutex */
112 kmutex_t pcieb_peek_poke_mutex; /* Peekpoke mutex */
113
114 /* FMA */
115 boolean_t pcieb_no_aer_msi;
116 ddi_iblock_cookie_t pcieb_fm_ibc;
117 } pcieb_devstate_t;
118
119 /*
120 * soft state pointer
121 */
122 extern void *pcieb_state;
123
124 /* soft state flags */
125 #define PCIEB_SOFT_STATE_CLOSED 0x00
126 #define PCIEB_SOFT_STATE_OPEN 0x01
127 #define PCIEB_SOFT_STATE_OPEN_EXCL 0x02
128
129 /* init flags */
130 #define PCIEB_INIT_MUTEX 0x01
131 #define PCIEB_INIT_HTABLE 0x02
132 #define PCIEB_INIT_ALLOC 0x04
133 #define PCIEB_INIT_HANDLER 0x08
134 #define PCIEB_INIT_ENABLE 0x10
135 #define PCIEB_INIT_BLOCK 0x20
136 #define PCIEB_INIT_FM 0x40
137
138 #define PCIEB_INTR_SRC_UNKNOWN 0x0 /* must be 0 */
139 #define PCIEB_INTR_SRC_HP 0x1
140 #define PCIEB_INTR_SRC_PME 0x2
141 #define PCIEB_INTR_SRC_AER 0x4
142
143 /*
144 * Need to put vendor ids in a common file and not platform specific files
145 * as is done today. Until then putting this vendor id define here.
146 */
147 #define NVIDIA_VENDOR_ID 0x10de /* Nvidia Vendor Id */
148
149 #ifdef PCIEB_BCM
150
151 /* Workaround for address space limitation in Broadcom 5714/5715 */
152 #define PCIEB_ADDR_LIMIT_LO 0ull
153 #define PCIEB_ADDR_LIMIT_HI ((1ull << 40) - 1)
154
155 #endif /* PCIEB_BCM */
156
157 /*
158 * The following values are used to initialize the cache line size
159 * and latency timer registers for PCI, PCI-X and PCIe2PCI devices.
160 */
161 #define PCIEB_CACHE_LINE_SIZE 0x10 /* 64 bytes in # of DWORDs */
162 #define PCIEB_LATENCY_TIMER 0x40 /* 64 PCI cycles */
163
164 extern void pcieb_set_pci_perf_parameters(dev_info_t *dip,
165 ddi_acc_handle_t config_handle);
166 extern void pcieb_plat_attach_workaround(dev_info_t *dip);
167 extern void pcieb_plat_intr_attach(pcieb_devstate_t *pcieb);
168 extern void pcieb_plat_initchild(dev_info_t *child);
169 extern void pcieb_plat_uninitchild(dev_info_t *child);
170 extern int pcieb_plat_ctlops(dev_info_t *rdip, ddi_ctl_enum_t ctlop,
171 void *arg);
172 extern int pcieb_plat_pcishpc_probe(dev_info_t *dip,
173 ddi_acc_handle_t config_handle);
174 extern int pcieb_plat_peekpoke(dev_info_t *dip, dev_info_t *rdip,
175 ddi_ctl_enum_t ctlop, void *arg, void *result);
176 extern void pcieb_set_prot_scan(dev_info_t *dip, ddi_acc_impl_t *hdlp);
177 extern int pcieb_plat_intr_ops(dev_info_t *dip, dev_info_t *rdip,
178 ddi_intr_op_t intr_op, ddi_intr_handle_impl_t *hdlp, void *result);
179 extern boolean_t pcieb_plat_msi_supported(dev_info_t *dip);
180 extern boolean_t pcieb_plat_pwr_disable(dev_info_t *dip);
181
182 #if defined(__i386) || defined(__amd64)
183 extern void pcieb_intel_error_workaround(dev_info_t *dip);
184 extern void pcieb_intel_serr_workaround(dev_info_t *dip, boolean_t mcheck);
185 extern void pcieb_intel_rber_workaround(dev_info_t *dip);
186 extern void pcieb_intel_sw_workaround(dev_info_t *dip);
187 extern void pcieb_intel_mps_workaround(dev_info_t *dip);
188 extern void pcieb_init_osc(dev_info_t *dip);
189 extern void pcieb_peekpoke_cb(dev_info_t *, ddi_fm_error_t *);
190 extern int pcishpc_init(dev_info_t *dip);
191 extern int pcishpc_uninit(dev_info_t *dip);
192 extern int pcishpc_intr(dev_info_t *dip);
193 #endif /* defined(__i386) || defined(__amd64) */
194
195 #ifdef PX_PLX
196 extern void pcieb_attach_plx_workarounds(pcieb_devstate_t *pcieb);
197 extern int pcieb_init_plx_workarounds(pcieb_devstate_t *pcieb,
198 dev_info_t *child);
199 #endif /* PX_PLX */
200
201 #ifdef __cplusplus
202 }
203 #endif
204
205 #endif /* _SYS_PCIEB_H */