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29 #ifndef _SYS_PCI_TOOLS_H
30 #define _SYS_PCI_TOOLS_H
32 #pragma ident "@(#)pci_tools.h 1.4 05/09/28 SMI"
34 #include <sys/modctl.h>
41 * Versioning. Have different versions for userland program and drivers, so
42 * they can all stay in sync with each other.
44 #define PCITOOL_USER_VERSION 1
45 #define PCITOOL_DRVR_VERSION 1
47 /* File suffixes for nexus pcitool nodes. */
48 #define PCI_MINOR_REG "reg"
49 #define PCI_MINOR_INTR "intr"
52 * Ioctls for PCI tools.
54 #define PCITOOL_IOC (('P' << 24) | ('C' << 16) | ('T' << 8))
56 /* Read/write a device on a PCI bus, in physical space. */
57 #define PCITOOL_DEVICE_GET_REG (PCITOOL_IOC | 1)
58 #define PCITOOL_DEVICE_SET_REG (PCITOOL_IOC | 2)
60 /* Read/write the PCI nexus bridge, in physical space. */
61 #define PCITOOL_NEXUS_GET_REG (PCITOOL_IOC | 3)
62 #define PCITOOL_NEXUS_SET_REG (PCITOOL_IOC | 4)
64 /* Get/set interrupt-CPU mapping for PCI devices. */
65 #define PCITOOL_DEVICE_GET_INTR (PCITOOL_IOC | 5)
66 #define PCITOOL_DEVICE_SET_INTR (PCITOOL_IOC | 6)
68 /* Return the number of supported interrupts on a PCI bus. */
69 #define PCITOOL_DEVICE_NUM_INTR (PCITOOL_IOC | 7)
73 * This file contains data structures for the pci tool.
75 #define PCITOOL_CONFIG 0
76 #define PCITOOL_BAR0 1
77 #define PCITOOL_BAR1 2
78 #define PCITOOL_BAR2 3
79 #define PCITOOL_BAR3 4
80 #define PCITOOL_BAR4 5
81 #define PCITOOL_BAR5 6
85 * Pass this through barnum to signal to use a base addr instead.
86 * This is for platforms which do not have a way to automatically map
87 * a selected bank to a base addr.
89 #define PCITOOL_BASE 0xFF
92 * BAR corresponding to space desired.
95 config = PCITOOL_CONFIG,
107 * PCITOOL error numbers.
111 PCITOOL_SUCCESS = 0x0,
112 PCITOOL_INVALID_CPUID,
114 PCITOOL_PENDING_INTRTIMEOUT,
115 PCITOOL_REGPROP_NOTWELLFORMED,
116 PCITOOL_INVALID_ADDRESS,
118 PCITOOL_OUT_OF_RANGE,
119 PCITOOL_END_OF_RANGE,
120 PCITOOL_ROM_DISABLED,
128 * PCITOOL_DEVICE_SET_INTR ioctl data structure to re-assign the interrupts.
130 typedef struct pcitool_intr_set {
131 uint16_t user_version; /* Userland program version - to krnl */
132 uint16_t drvr_version; /* Driver version - from kernel */
133 uint32_t ino; /* interrupt to set - to kernel */
134 uint32_t cpu_id; /* to: cpu to set / from: old cpu returned */
135 pcitool_errno_t status; /* from kernel */
136 } pcitool_intr_set_t;
140 * PCITOOL_DEVICE_GET_INTR ioctl data structure to dump out the
141 * ino mapping information.
144 typedef struct pcitool_intr_dev {
145 uint32_t dev_inst; /* device instance - from kernel */
146 char driver_name[MAXMODCONFNAME]; /* from kernel */
147 char path[MAXPATHLEN]; /* device path - from kernel */
148 } pcitool_intr_dev_t;
151 typedef struct pcitool_intr_get {
152 uint16_t user_version; /* Userland program version - to krnl */
153 uint16_t drvr_version; /* Driver version - from kernel */
154 uint32_t ino; /* interrupt number - to kernel */
155 uint8_t num_devs_ret; /* room for this # of devs to be */
156 /* returned - to kernel */
157 /* # devs returned - from kernel */
158 uint8_t num_devs; /* # devs on this ino - from kernel */
159 /* intrs enabled for devs if > 0 */
160 uint8_t ctlr; /* controller number - from kernel */
161 uint32_t cpu_id; /* cpu of interrupt - from kernel */
162 pcitool_errno_t status; /* returned status - from kernel */
163 pcitool_intr_dev_t dev[1]; /* start of variable device list */
165 } pcitool_intr_get_t;
168 * Get the size needed to return the number of devices wanted.
169 * Can't say num_devs - 1 as num_devs may be unsigned.
171 #define PCITOOL_IGET_SIZE(num_devs) \
172 (sizeof (pcitool_intr_get_t) - \
173 sizeof (pcitool_intr_dev_t) + \
174 (num_devs * sizeof (pcitool_intr_dev_t)))
177 * Size and endian fields for acc_attr bitmask.
179 #define PCITOOL_ACC_ATTR_SIZE_MASK 0x3
180 #define PCITOOL_ACC_ATTR_SIZE_1 0x0
181 #define PCITOOL_ACC_ATTR_SIZE_2 0x1
182 #define PCITOOL_ACC_ATTR_SIZE_4 0x2
183 #define PCITOOL_ACC_ATTR_SIZE_8 0x3
184 #define PCITOOL_ACC_ATTR_SIZE(x) (1 << (x & PCITOOL_ACC_ATTR_SIZE_MASK))
186 #define PCITOOL_ACC_ATTR_ENDN_MASK 0x100
187 #define PCITOOL_ACC_ATTR_ENDN_LTL 0x0
188 #define PCITOOL_ACC_ATTR_ENDN_BIG 0x100
189 #define PCITOOL_ACC_IS_BIG_ENDIAN(x) (x & PCITOOL_ACC_ATTR_ENDN_BIG)
192 * Data structure to read and write to pci device registers.
193 * This is the argument to the following ioctls:
194 * PCITOOL_DEVICE_SET/GET_REG
195 * PCITOOL_NEXUS_SET/GET_REG
197 typedef struct pcitool_reg {
198 uint16_t user_version; /* Userland program version - to krnl */
199 uint16_t drvr_version; /* Driver version - from kernel */
200 uint8_t bus_no; /* pci bus - to kernel */
201 uint8_t dev_no; /* pci dev - to kernel */
202 uint8_t func_no; /* pci function - to kernel */
203 uint8_t barnum; /* bank (DEVCTL_NEXUS_SET/GET_REG) or */
204 /* BAR from pcitools_bar_t */
205 /* (DEVCTL_DEVICE_SET/GET_REG) */
207 uint64_t offset; /* to kernel */
208 uint32_t acc_attr; /* access attributes - to kernel */
209 uint32_t padding1; /* 8-byte align next uint64_t for X86 */
210 uint64_t data; /* to/from kernel, 64-bit alignment */
211 uint32_t status; /* from kernel */
212 uint32_t padding2; /* 8-byte align next uint64_t for X86 */
213 uint64_t phys_addr; /* from kernel, 64-bit alignment */
221 #endif /* _SYS_PCI_TOOLS_H */