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 /*
23  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #include <sys/types.h>
28 #include <sys/cmn_err.h>
29 #include <sys/errno.h>
30 #include <sys/systm.h>
31 #include <sys/sunddi.h>
32 #include <sys/pci_cfgspace.h>
33 #include <sys/pci.h>
34 #include <sys/pcie.h>
35 #include <vm/seg_kmem.h>
36 #include <sys/mman.h>
37 #include <sys/cpu_module.h>
38 #include "intel_nhm.h"
39 
40 static ddi_acc_handle_t dev_pci_hdl[MAX_CPU_NODES][CPU_PCI_DEVS][CPU_PCI_FUNCS];
41 
42 void
nhm_pci_cfg_setup(dev_info_t * dip)43 nhm_pci_cfg_setup(dev_info_t *dip)
44 {
45 	pci_regspec_t reg;
46 	int i, j, k;
47 
48 	reg.pci_phys_mid = 0;
49 	reg.pci_phys_low = 0;
50 	reg.pci_size_hi = 0;
51 	reg.pci_size_low = PCIE_CONF_HDR_SIZE; /* overriden in pciex */
52 	for (i = 0; i < MAX_CPU_NODES; i++) {
53 		for (j = 0; j < CPU_PCI_DEVS; j++) {
54 			for (k = 0; k < CPU_PCI_FUNCS; k++) {
55 				reg.pci_phys_hi = ((SOCKET_BUS(i))
56 				    << PCI_REG_BUS_SHIFT) +
57 				    (j << PCI_REG_DEV_SHIFT) +
58 				    (k << PCI_REG_FUNC_SHIFT);
59 				if (ddi_prop_update_int_array(
60 				    DDI_MAJOR_T_UNKNOWN, dip, "reg",
61 				    (int *)&reg, sizeof (reg)/sizeof (int)) !=
62 				    DDI_PROP_SUCCESS)
63 					cmn_err(CE_WARN, "nhm_pci_cfg_setup: "
64 					    "cannot create reg property");
65 
66 				if (pci_config_setup(dip,
67 				    &dev_pci_hdl[i][j][k]) != DDI_SUCCESS)
68 					cmn_err(CE_WARN, "intel_nhm: "
69 					    "pci_config_setup failed");
70 			}
71 		}
72 	}
73 	ddi_prop_remove_all(dip);
74 }
75 
76 void
nhm_pci_cfg_free()77 nhm_pci_cfg_free()
78 {
79 	int i, j, k;
80 
81 	for (i = 0; i < MAX_CPU_NODES; i++) {
82 		for (j = 0; j < CPU_PCI_DEVS; j++) {
83 			for (k = 0; k < CPU_PCI_FUNCS; k++) {
84 				pci_config_teardown(&dev_pci_hdl[i][j][k]);
85 			}
86 		}
87 	}
88 }
89 
90 static ddi_acc_handle_t
nhm_get_hdl(int bus,int dev,int func)91 nhm_get_hdl(int bus, int dev, int func)
92 {
93 	ddi_acc_handle_t hdl;
94 	int slot;
95 
96 	if (bus >= SOCKET_BUS(MAX_CPU_NODES) && bus <= SOCKET_BUS(0) &&
97 	    dev < CPU_PCI_DEVS && func < CPU_PCI_FUNCS) {
98 		slot = SOCKET_BUS(0) - bus;
99 		ASSERT(slot >= 0 && slot < MAX_CPU_NODES);
100 		hdl = dev_pci_hdl[slot][dev][func];
101 	} else {
102 		hdl = 0;
103 	}
104 	return (hdl);
105 }
106 
107 uint8_t
nhm_pci_getb(int bus,int dev,int func,int reg,int * interpose)108 nhm_pci_getb(int bus, int dev, int func, int reg, int *interpose)
109 {
110 	ddi_acc_handle_t hdl;
111 
112 	hdl = nhm_get_hdl(bus, dev, func);
113 	return (cmi_pci_getb(bus, dev, func, reg, interpose, hdl));
114 }
115 
116 uint16_t
nhm_pci_getw(int bus,int dev,int func,int reg,int * interpose)117 nhm_pci_getw(int bus, int dev, int func, int reg, int *interpose)
118 {
119 	ddi_acc_handle_t hdl;
120 
121 	hdl = nhm_get_hdl(bus, dev, func);
122 	return (cmi_pci_getw(bus, dev, func, reg, interpose, hdl));
123 }
124 
125 uint32_t
nhm_pci_getl(int bus,int dev,int func,int reg,int * interpose)126 nhm_pci_getl(int bus, int dev, int func, int reg, int *interpose)
127 {
128 	ddi_acc_handle_t hdl;
129 
130 	hdl = nhm_get_hdl(bus, dev, func);
131 	return (cmi_pci_getl(bus, dev, func, reg, interpose, hdl));
132 }
133 
134 void
nhm_pci_putb(int bus,int dev,int func,int reg,uint8_t val)135 nhm_pci_putb(int bus, int dev, int func, int reg, uint8_t val)
136 {
137 	ddi_acc_handle_t hdl;
138 
139 	hdl = nhm_get_hdl(bus, dev, func);
140 	cmi_pci_putb(bus, dev, func, reg, hdl, val);
141 }
142 
143 void
nhm_pci_putw(int bus,int dev,int func,int reg,uint16_t val)144 nhm_pci_putw(int bus, int dev, int func, int reg, uint16_t val)
145 {
146 	ddi_acc_handle_t hdl;
147 
148 	hdl = nhm_get_hdl(bus, dev, func);
149 	cmi_pci_putw(bus, dev, func, reg, hdl, val);
150 }
151 
152 void
nhm_pci_putl(int bus,int dev,int func,int reg,uint32_t val)153 nhm_pci_putl(int bus, int dev, int func, int reg, uint32_t val)
154 {
155 	ddi_acc_handle_t hdl;
156 
157 	hdl = nhm_get_hdl(bus, dev, func);
158 	cmi_pci_putl(bus, dev, func, reg, hdl, val);
159 }
160