216 lines
6.6 KiB
C
216 lines
6.6 KiB
C
/*
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* Copyright (c) 2007, Oracle and/or its affiliates. All rights reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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#ifndef _SYS_PCI_TOOLS_H
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#define _SYS_PCI_TOOLS_H
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#pragma ident "@(#)pci_tools.h 1.4 05/09/28 SMI"
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#include <sys/modctl.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*
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* Versioning. Have different versions for userland program and drivers, so
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* they can all stay in sync with each other.
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*/
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#define PCITOOL_USER_VERSION 1
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#define PCITOOL_DRVR_VERSION 1
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/* File suffixes for nexus pcitool nodes. */
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#define PCI_MINOR_REG "reg"
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#define PCI_MINOR_INTR "intr"
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/*
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* Ioctls for PCI tools.
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*/
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#define PCITOOL_IOC (('P' << 24) | ('C' << 16) | ('T' << 8))
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/* Read/write a device on a PCI bus, in physical space. */
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#define PCITOOL_DEVICE_GET_REG (PCITOOL_IOC | 1)
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#define PCITOOL_DEVICE_SET_REG (PCITOOL_IOC | 2)
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/* Read/write the PCI nexus bridge, in physical space. */
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#define PCITOOL_NEXUS_GET_REG (PCITOOL_IOC | 3)
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#define PCITOOL_NEXUS_SET_REG (PCITOOL_IOC | 4)
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/* Get/set interrupt-CPU mapping for PCI devices. */
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#define PCITOOL_DEVICE_GET_INTR (PCITOOL_IOC | 5)
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#define PCITOOL_DEVICE_SET_INTR (PCITOOL_IOC | 6)
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/* Return the number of supported interrupts on a PCI bus. */
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#define PCITOOL_DEVICE_NUM_INTR (PCITOOL_IOC | 7)
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/*
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* This file contains data structures for the pci tool.
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*/
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#define PCITOOL_CONFIG 0
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#define PCITOOL_BAR0 1
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#define PCITOOL_BAR1 2
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#define PCITOOL_BAR2 3
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#define PCITOOL_BAR3 4
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#define PCITOOL_BAR4 5
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#define PCITOOL_BAR5 6
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#define PCITOOL_ROM 7
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/*
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* Pass this through barnum to signal to use a base addr instead.
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* This is for platforms which do not have a way to automatically map
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* a selected bank to a base addr.
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*/
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#define PCITOOL_BASE 0xFF
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/*
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* BAR corresponding to space desired.
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*/
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typedef enum {
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config = PCITOOL_CONFIG,
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bar0 = PCITOOL_BAR0,
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bar1 = PCITOOL_BAR1,
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bar2 = PCITOOL_BAR2,
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bar3 = PCITOOL_BAR3,
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bar4 = PCITOOL_BAR4,
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bar5 = PCITOOL_BAR5,
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rom = PCITOOL_ROM
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} pcitool_bars_t;
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/*
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* PCITOOL error numbers.
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*/
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typedef enum {
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PCITOOL_SUCCESS = 0x0,
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PCITOOL_INVALID_CPUID,
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PCITOOL_INVALID_INO,
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PCITOOL_PENDING_INTRTIMEOUT,
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PCITOOL_REGPROP_NOTWELLFORMED,
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PCITOOL_INVALID_ADDRESS,
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PCITOOL_NOT_ALIGNED,
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PCITOOL_OUT_OF_RANGE,
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PCITOOL_END_OF_RANGE,
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PCITOOL_ROM_DISABLED,
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PCITOOL_ROM_WRITE,
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PCITOOL_IO_ERROR,
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PCITOOL_INVALID_SIZE
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} pcitool_errno_t;
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/*
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* PCITOOL_DEVICE_SET_INTR ioctl data structure to re-assign the interrupts.
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*/
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typedef struct pcitool_intr_set {
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uint16_t user_version; /* Userland program version - to krnl */
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uint16_t drvr_version; /* Driver version - from kernel */
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uint32_t ino; /* interrupt to set - to kernel */
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uint32_t cpu_id; /* to: cpu to set / from: old cpu returned */
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pcitool_errno_t status; /* from kernel */
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} pcitool_intr_set_t;
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/*
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* PCITOOL_DEVICE_GET_INTR ioctl data structure to dump out the
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* ino mapping information.
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*/
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typedef struct pcitool_intr_dev {
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uint32_t dev_inst; /* device instance - from kernel */
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char driver_name[MAXMODCONFNAME]; /* from kernel */
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char path[MAXPATHLEN]; /* device path - from kernel */
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} pcitool_intr_dev_t;
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typedef struct pcitool_intr_get {
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uint16_t user_version; /* Userland program version - to krnl */
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uint16_t drvr_version; /* Driver version - from kernel */
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uint32_t ino; /* interrupt number - to kernel */
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uint8_t num_devs_ret; /* room for this # of devs to be */
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/* returned - to kernel */
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/* # devs returned - from kernel */
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uint8_t num_devs; /* # devs on this ino - from kernel */
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/* intrs enabled for devs if > 0 */
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uint8_t ctlr; /* controller number - from kernel */
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uint32_t cpu_id; /* cpu of interrupt - from kernel */
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pcitool_errno_t status; /* returned status - from kernel */
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pcitool_intr_dev_t dev[1]; /* start of variable device list */
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/* from kernel */
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} pcitool_intr_get_t;
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/*
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* Get the size needed to return the number of devices wanted.
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* Can't say num_devs - 1 as num_devs may be unsigned.
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*/
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#define PCITOOL_IGET_SIZE(num_devs) \
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(sizeof (pcitool_intr_get_t) - \
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sizeof (pcitool_intr_dev_t) + \
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(num_devs * sizeof (pcitool_intr_dev_t)))
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/*
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* Size and endian fields for acc_attr bitmask.
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*/
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#define PCITOOL_ACC_ATTR_SIZE_MASK 0x3
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#define PCITOOL_ACC_ATTR_SIZE_1 0x0
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#define PCITOOL_ACC_ATTR_SIZE_2 0x1
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#define PCITOOL_ACC_ATTR_SIZE_4 0x2
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#define PCITOOL_ACC_ATTR_SIZE_8 0x3
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#define PCITOOL_ACC_ATTR_SIZE(x) (1 << (x & PCITOOL_ACC_ATTR_SIZE_MASK))
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#define PCITOOL_ACC_ATTR_ENDN_MASK 0x100
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#define PCITOOL_ACC_ATTR_ENDN_LTL 0x0
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#define PCITOOL_ACC_ATTR_ENDN_BIG 0x100
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#define PCITOOL_ACC_IS_BIG_ENDIAN(x) (x & PCITOOL_ACC_ATTR_ENDN_BIG)
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/*
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* Data structure to read and write to pci device registers.
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* This is the argument to the following ioctls:
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* PCITOOL_DEVICE_SET/GET_REG
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* PCITOOL_NEXUS_SET/GET_REG
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*/
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typedef struct pcitool_reg {
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uint16_t user_version; /* Userland program version - to krnl */
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uint16_t drvr_version; /* Driver version - from kernel */
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uint8_t bus_no; /* pci bus - to kernel */
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uint8_t dev_no; /* pci dev - to kernel */
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uint8_t func_no; /* pci function - to kernel */
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uint8_t barnum; /* bank (DEVCTL_NEXUS_SET/GET_REG) or */
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/* BAR from pcitools_bar_t */
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/* (DEVCTL_DEVICE_SET/GET_REG) */
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/* to kernel */
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uint64_t offset; /* to kernel */
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uint32_t acc_attr; /* access attributes - to kernel */
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uint32_t padding1; /* 8-byte align next uint64_t for X86 */
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uint64_t data; /* to/from kernel, 64-bit alignment */
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uint32_t status; /* from kernel */
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uint32_t padding2; /* 8-byte align next uint64_t for X86 */
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uint64_t phys_addr; /* from kernel, 64-bit alignment */
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} pcitool_reg_t;
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#ifdef __cplusplus
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}
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#endif
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#endif /* _SYS_PCI_TOOLS_H */
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