74cb5132c6
address before returning it to the user. Some of the least significant bits have special meaning and should be masked away. Discussed with: kib@ MFC after: 3 days Sponsored by: Mellanox Technologies
1306 lines
35 KiB
C
1306 lines
35 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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*
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* Copyright (c) 1997, Stefan Esser <se@freebsd.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice unmodified, this list of conditions, and the following
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* disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include "opt_bus.h" /* XXX trim includes */
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#include <sys/types.h>
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/malloc.h>
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#include <sys/module.h>
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#include <sys/linker.h>
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#include <sys/fcntl.h>
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#include <sys/conf.h>
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#include <sys/kernel.h>
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#include <sys/mman.h>
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#include <sys/proc.h>
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#include <sys/queue.h>
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#include <sys/rwlock.h>
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#include <sys/sglist.h>
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#include <vm/vm.h>
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#include <vm/pmap.h>
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#include <vm/vm_extern.h>
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#include <vm/vm_map.h>
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#include <vm/vm_object.h>
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#include <vm/vm_page.h>
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#include <vm/vm_pager.h>
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#include <sys/bus.h>
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#include <machine/bus.h>
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#include <sys/rman.h>
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#include <machine/resource.h>
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#include <sys/pciio.h>
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#include <dev/pci/pcireg.h>
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#include <dev/pci/pcivar.h>
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#include "pcib_if.h"
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#include "pci_if.h"
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#ifdef COMPAT_FREEBSD32
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struct pci_conf32 {
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struct pcisel pc_sel; /* domain+bus+slot+function */
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u_int8_t pc_hdr; /* PCI header type */
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u_int16_t pc_subvendor; /* card vendor ID */
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u_int16_t pc_subdevice; /* card device ID, assigned by
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card vendor */
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u_int16_t pc_vendor; /* chip vendor ID */
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u_int16_t pc_device; /* chip device ID, assigned by
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chip vendor */
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u_int8_t pc_class; /* chip PCI class */
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u_int8_t pc_subclass; /* chip PCI subclass */
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u_int8_t pc_progif; /* chip PCI programming interface */
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u_int8_t pc_revid; /* chip revision ID */
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char pd_name[PCI_MAXNAMELEN + 1]; /* device name */
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u_int32_t pd_unit; /* device unit number */
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};
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struct pci_match_conf32 {
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struct pcisel pc_sel; /* domain+bus+slot+function */
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char pd_name[PCI_MAXNAMELEN + 1]; /* device name */
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u_int32_t pd_unit; /* Unit number */
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u_int16_t pc_vendor; /* PCI Vendor ID */
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u_int16_t pc_device; /* PCI Device ID */
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u_int8_t pc_class; /* PCI class */
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u_int32_t flags; /* Matching expression */
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};
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struct pci_conf_io32 {
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u_int32_t pat_buf_len; /* pattern buffer length */
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u_int32_t num_patterns; /* number of patterns */
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u_int32_t patterns; /* struct pci_match_conf ptr */
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u_int32_t match_buf_len; /* match buffer length */
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u_int32_t num_matches; /* number of matches returned */
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u_int32_t matches; /* struct pci_conf ptr */
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u_int32_t offset; /* offset into device list */
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u_int32_t generation; /* device list generation */
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u_int32_t status; /* request status */
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};
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#define PCIOCGETCONF32 _IOC_NEWTYPE(PCIOCGETCONF, struct pci_conf_io32)
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#endif
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/*
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* This is the user interface to PCI configuration space.
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*/
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static d_open_t pci_open;
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static d_close_t pci_close;
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static d_ioctl_t pci_ioctl;
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struct cdevsw pcicdev = {
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.d_version = D_VERSION,
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.d_flags = D_NEEDGIANT,
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.d_open = pci_open,
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.d_close = pci_close,
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.d_ioctl = pci_ioctl,
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.d_name = "pci",
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};
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static int
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pci_open(struct cdev *dev, int oflags, int devtype, struct thread *td)
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{
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int error;
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if (oflags & FWRITE) {
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error = securelevel_gt(td->td_ucred, 0);
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if (error)
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return (error);
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}
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return (0);
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}
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static int
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pci_close(struct cdev *dev, int flag, int devtype, struct thread *td)
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{
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return 0;
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}
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/*
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* Match a single pci_conf structure against an array of pci_match_conf
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* structures. The first argument, 'matches', is an array of num_matches
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* pci_match_conf structures. match_buf is a pointer to the pci_conf
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* structure that will be compared to every entry in the matches array.
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* This function returns 1 on failure, 0 on success.
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*/
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static int
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pci_conf_match_native(struct pci_match_conf *matches, int num_matches,
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struct pci_conf *match_buf)
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{
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int i;
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if ((matches == NULL) || (match_buf == NULL) || (num_matches <= 0))
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return(1);
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for (i = 0; i < num_matches; i++) {
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/*
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* I'm not sure why someone would do this...but...
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*/
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if (matches[i].flags == PCI_GETCONF_NO_MATCH)
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continue;
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/*
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* Look at each of the match flags. If it's set, do the
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* comparison. If the comparison fails, we don't have a
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* match, go on to the next item if there is one.
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*/
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if (((matches[i].flags & PCI_GETCONF_MATCH_DOMAIN) != 0)
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&& (match_buf->pc_sel.pc_domain !=
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matches[i].pc_sel.pc_domain))
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continue;
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if (((matches[i].flags & PCI_GETCONF_MATCH_BUS) != 0)
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&& (match_buf->pc_sel.pc_bus != matches[i].pc_sel.pc_bus))
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continue;
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if (((matches[i].flags & PCI_GETCONF_MATCH_DEV) != 0)
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&& (match_buf->pc_sel.pc_dev != matches[i].pc_sel.pc_dev))
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continue;
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if (((matches[i].flags & PCI_GETCONF_MATCH_FUNC) != 0)
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&& (match_buf->pc_sel.pc_func != matches[i].pc_sel.pc_func))
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continue;
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if (((matches[i].flags & PCI_GETCONF_MATCH_VENDOR) != 0)
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&& (match_buf->pc_vendor != matches[i].pc_vendor))
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continue;
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if (((matches[i].flags & PCI_GETCONF_MATCH_DEVICE) != 0)
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&& (match_buf->pc_device != matches[i].pc_device))
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continue;
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if (((matches[i].flags & PCI_GETCONF_MATCH_CLASS) != 0)
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&& (match_buf->pc_class != matches[i].pc_class))
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continue;
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if (((matches[i].flags & PCI_GETCONF_MATCH_UNIT) != 0)
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&& (match_buf->pd_unit != matches[i].pd_unit))
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continue;
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if (((matches[i].flags & PCI_GETCONF_MATCH_NAME) != 0)
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&& (strncmp(matches[i].pd_name, match_buf->pd_name,
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sizeof(match_buf->pd_name)) != 0))
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continue;
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return(0);
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}
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return(1);
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}
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#ifdef COMPAT_FREEBSD32
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static int
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pci_conf_match32(struct pci_match_conf32 *matches, int num_matches,
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struct pci_conf *match_buf)
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{
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int i;
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if ((matches == NULL) || (match_buf == NULL) || (num_matches <= 0))
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return(1);
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for (i = 0; i < num_matches; i++) {
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/*
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* I'm not sure why someone would do this...but...
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*/
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if (matches[i].flags == PCI_GETCONF_NO_MATCH)
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continue;
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/*
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* Look at each of the match flags. If it's set, do the
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* comparison. If the comparison fails, we don't have a
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* match, go on to the next item if there is one.
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*/
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if (((matches[i].flags & PCI_GETCONF_MATCH_DOMAIN) != 0)
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&& (match_buf->pc_sel.pc_domain !=
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matches[i].pc_sel.pc_domain))
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continue;
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if (((matches[i].flags & PCI_GETCONF_MATCH_BUS) != 0)
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&& (match_buf->pc_sel.pc_bus != matches[i].pc_sel.pc_bus))
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continue;
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if (((matches[i].flags & PCI_GETCONF_MATCH_DEV) != 0)
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&& (match_buf->pc_sel.pc_dev != matches[i].pc_sel.pc_dev))
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continue;
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if (((matches[i].flags & PCI_GETCONF_MATCH_FUNC) != 0)
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&& (match_buf->pc_sel.pc_func != matches[i].pc_sel.pc_func))
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continue;
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if (((matches[i].flags & PCI_GETCONF_MATCH_VENDOR) != 0)
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&& (match_buf->pc_vendor != matches[i].pc_vendor))
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continue;
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if (((matches[i].flags & PCI_GETCONF_MATCH_DEVICE) != 0)
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&& (match_buf->pc_device != matches[i].pc_device))
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continue;
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if (((matches[i].flags & PCI_GETCONF_MATCH_CLASS) != 0)
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&& (match_buf->pc_class != matches[i].pc_class))
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continue;
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if (((matches[i].flags & PCI_GETCONF_MATCH_UNIT) != 0)
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&& (match_buf->pd_unit != matches[i].pd_unit))
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continue;
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if (((matches[i].flags & PCI_GETCONF_MATCH_NAME) != 0)
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&& (strncmp(matches[i].pd_name, match_buf->pd_name,
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sizeof(match_buf->pd_name)) != 0))
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continue;
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return(0);
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}
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return(1);
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}
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#endif /* COMPAT_FREEBSD32 */
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#if defined(COMPAT_FREEBSD4) || defined(COMPAT_FREEBSD5) || \
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defined(COMPAT_FREEBSD6)
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#define PRE7_COMPAT
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typedef enum {
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PCI_GETCONF_NO_MATCH_OLD = 0x00,
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PCI_GETCONF_MATCH_BUS_OLD = 0x01,
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PCI_GETCONF_MATCH_DEV_OLD = 0x02,
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PCI_GETCONF_MATCH_FUNC_OLD = 0x04,
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PCI_GETCONF_MATCH_NAME_OLD = 0x08,
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PCI_GETCONF_MATCH_UNIT_OLD = 0x10,
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PCI_GETCONF_MATCH_VENDOR_OLD = 0x20,
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PCI_GETCONF_MATCH_DEVICE_OLD = 0x40,
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PCI_GETCONF_MATCH_CLASS_OLD = 0x80
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} pci_getconf_flags_old;
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struct pcisel_old {
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u_int8_t pc_bus; /* bus number */
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u_int8_t pc_dev; /* device on this bus */
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u_int8_t pc_func; /* function on this device */
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};
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struct pci_conf_old {
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struct pcisel_old pc_sel; /* bus+slot+function */
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u_int8_t pc_hdr; /* PCI header type */
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u_int16_t pc_subvendor; /* card vendor ID */
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u_int16_t pc_subdevice; /* card device ID, assigned by
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card vendor */
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u_int16_t pc_vendor; /* chip vendor ID */
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u_int16_t pc_device; /* chip device ID, assigned by
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chip vendor */
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u_int8_t pc_class; /* chip PCI class */
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u_int8_t pc_subclass; /* chip PCI subclass */
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u_int8_t pc_progif; /* chip PCI programming interface */
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u_int8_t pc_revid; /* chip revision ID */
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char pd_name[PCI_MAXNAMELEN + 1]; /* device name */
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u_long pd_unit; /* device unit number */
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};
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struct pci_match_conf_old {
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struct pcisel_old pc_sel; /* bus+slot+function */
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char pd_name[PCI_MAXNAMELEN + 1]; /* device name */
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u_long pd_unit; /* Unit number */
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u_int16_t pc_vendor; /* PCI Vendor ID */
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u_int16_t pc_device; /* PCI Device ID */
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u_int8_t pc_class; /* PCI class */
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pci_getconf_flags_old flags; /* Matching expression */
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};
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struct pci_io_old {
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struct pcisel_old pi_sel; /* device to operate on */
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int pi_reg; /* configuration register to examine */
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int pi_width; /* width (in bytes) of read or write */
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u_int32_t pi_data; /* data to write or result of read */
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};
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#ifdef COMPAT_FREEBSD32
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struct pci_conf_old32 {
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struct pcisel_old pc_sel; /* bus+slot+function */
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uint8_t pc_hdr; /* PCI header type */
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uint16_t pc_subvendor; /* card vendor ID */
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uint16_t pc_subdevice; /* card device ID, assigned by
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card vendor */
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uint16_t pc_vendor; /* chip vendor ID */
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uint16_t pc_device; /* chip device ID, assigned by
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chip vendor */
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uint8_t pc_class; /* chip PCI class */
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uint8_t pc_subclass; /* chip PCI subclass */
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uint8_t pc_progif; /* chip PCI programming interface */
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uint8_t pc_revid; /* chip revision ID */
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char pd_name[PCI_MAXNAMELEN + 1]; /* device name */
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uint32_t pd_unit; /* device unit number (u_long) */
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};
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struct pci_match_conf_old32 {
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struct pcisel_old pc_sel; /* bus+slot+function */
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char pd_name[PCI_MAXNAMELEN + 1]; /* device name */
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uint32_t pd_unit; /* Unit number (u_long) */
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uint16_t pc_vendor; /* PCI Vendor ID */
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uint16_t pc_device; /* PCI Device ID */
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uint8_t pc_class; /* PCI class */
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pci_getconf_flags_old flags; /* Matching expression */
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};
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#define PCIOCGETCONF_OLD32 _IOWR('p', 1, struct pci_conf_io32)
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#endif /* COMPAT_FREEBSD32 */
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#define PCIOCGETCONF_OLD _IOWR('p', 1, struct pci_conf_io)
|
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#define PCIOCREAD_OLD _IOWR('p', 2, struct pci_io_old)
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#define PCIOCWRITE_OLD _IOWR('p', 3, struct pci_io_old)
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static int
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pci_conf_match_old(struct pci_match_conf_old *matches, int num_matches,
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struct pci_conf *match_buf)
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|
{
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|
int i;
|
|
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|
if ((matches == NULL) || (match_buf == NULL) || (num_matches <= 0))
|
|
return(1);
|
|
|
|
for (i = 0; i < num_matches; i++) {
|
|
if (match_buf->pc_sel.pc_domain != 0)
|
|
continue;
|
|
|
|
/*
|
|
* I'm not sure why someone would do this...but...
|
|
*/
|
|
if (matches[i].flags == PCI_GETCONF_NO_MATCH_OLD)
|
|
continue;
|
|
|
|
/*
|
|
* Look at each of the match flags. If it's set, do the
|
|
* comparison. If the comparison fails, we don't have a
|
|
* match, go on to the next item if there is one.
|
|
*/
|
|
if (((matches[i].flags & PCI_GETCONF_MATCH_BUS_OLD) != 0)
|
|
&& (match_buf->pc_sel.pc_bus != matches[i].pc_sel.pc_bus))
|
|
continue;
|
|
|
|
if (((matches[i].flags & PCI_GETCONF_MATCH_DEV_OLD) != 0)
|
|
&& (match_buf->pc_sel.pc_dev != matches[i].pc_sel.pc_dev))
|
|
continue;
|
|
|
|
if (((matches[i].flags & PCI_GETCONF_MATCH_FUNC_OLD) != 0)
|
|
&& (match_buf->pc_sel.pc_func != matches[i].pc_sel.pc_func))
|
|
continue;
|
|
|
|
if (((matches[i].flags & PCI_GETCONF_MATCH_VENDOR_OLD) != 0)
|
|
&& (match_buf->pc_vendor != matches[i].pc_vendor))
|
|
continue;
|
|
|
|
if (((matches[i].flags & PCI_GETCONF_MATCH_DEVICE_OLD) != 0)
|
|
&& (match_buf->pc_device != matches[i].pc_device))
|
|
continue;
|
|
|
|
if (((matches[i].flags & PCI_GETCONF_MATCH_CLASS_OLD) != 0)
|
|
&& (match_buf->pc_class != matches[i].pc_class))
|
|
continue;
|
|
|
|
if (((matches[i].flags & PCI_GETCONF_MATCH_UNIT_OLD) != 0)
|
|
&& (match_buf->pd_unit != matches[i].pd_unit))
|
|
continue;
|
|
|
|
if (((matches[i].flags & PCI_GETCONF_MATCH_NAME_OLD) != 0)
|
|
&& (strncmp(matches[i].pd_name, match_buf->pd_name,
|
|
sizeof(match_buf->pd_name)) != 0))
|
|
continue;
|
|
|
|
return(0);
|
|
}
|
|
|
|
return(1);
|
|
}
|
|
|
|
#ifdef COMPAT_FREEBSD32
|
|
static int
|
|
pci_conf_match_old32(struct pci_match_conf_old32 *matches, int num_matches,
|
|
struct pci_conf *match_buf)
|
|
{
|
|
int i;
|
|
|
|
if ((matches == NULL) || (match_buf == NULL) || (num_matches <= 0))
|
|
return(1);
|
|
|
|
for (i = 0; i < num_matches; i++) {
|
|
if (match_buf->pc_sel.pc_domain != 0)
|
|
continue;
|
|
|
|
/*
|
|
* I'm not sure why someone would do this...but...
|
|
*/
|
|
if (matches[i].flags == PCI_GETCONF_NO_MATCH_OLD)
|
|
continue;
|
|
|
|
/*
|
|
* Look at each of the match flags. If it's set, do the
|
|
* comparison. If the comparison fails, we don't have a
|
|
* match, go on to the next item if there is one.
|
|
*/
|
|
if (((matches[i].flags & PCI_GETCONF_MATCH_BUS_OLD) != 0) &&
|
|
(match_buf->pc_sel.pc_bus != matches[i].pc_sel.pc_bus))
|
|
continue;
|
|
|
|
if (((matches[i].flags & PCI_GETCONF_MATCH_DEV_OLD) != 0) &&
|
|
(match_buf->pc_sel.pc_dev != matches[i].pc_sel.pc_dev))
|
|
continue;
|
|
|
|
if (((matches[i].flags & PCI_GETCONF_MATCH_FUNC_OLD) != 0) &&
|
|
(match_buf->pc_sel.pc_func != matches[i].pc_sel.pc_func))
|
|
continue;
|
|
|
|
if (((matches[i].flags & PCI_GETCONF_MATCH_VENDOR_OLD) != 0) &&
|
|
(match_buf->pc_vendor != matches[i].pc_vendor))
|
|
continue;
|
|
|
|
if (((matches[i].flags & PCI_GETCONF_MATCH_DEVICE_OLD) != 0) &&
|
|
(match_buf->pc_device != matches[i].pc_device))
|
|
continue;
|
|
|
|
if (((matches[i].flags & PCI_GETCONF_MATCH_CLASS_OLD) != 0) &&
|
|
(match_buf->pc_class != matches[i].pc_class))
|
|
continue;
|
|
|
|
if (((matches[i].flags & PCI_GETCONF_MATCH_UNIT_OLD) != 0) &&
|
|
((u_int32_t)match_buf->pd_unit != matches[i].pd_unit))
|
|
continue;
|
|
|
|
if (((matches[i].flags & PCI_GETCONF_MATCH_NAME_OLD) != 0) &&
|
|
(strncmp(matches[i].pd_name, match_buf->pd_name,
|
|
sizeof(match_buf->pd_name)) != 0))
|
|
continue;
|
|
|
|
return (0);
|
|
}
|
|
|
|
return (1);
|
|
}
|
|
#endif /* COMPAT_FREEBSD32 */
|
|
#endif /* !PRE7_COMPAT */
|
|
|
|
union pci_conf_union {
|
|
struct pci_conf pc;
|
|
#ifdef COMPAT_FREEBSD32
|
|
struct pci_conf32 pc32;
|
|
#endif
|
|
#ifdef PRE7_COMPAT
|
|
struct pci_conf_old pco;
|
|
#ifdef COMPAT_FREEBSD32
|
|
struct pci_conf_old32 pco32;
|
|
#endif
|
|
#endif
|
|
};
|
|
|
|
static int
|
|
pci_conf_match(u_long cmd, struct pci_match_conf *matches, int num_matches,
|
|
struct pci_conf *match_buf)
|
|
{
|
|
|
|
switch (cmd) {
|
|
case PCIOCGETCONF:
|
|
return (pci_conf_match_native(
|
|
(struct pci_match_conf *)matches, num_matches, match_buf));
|
|
#ifdef COMPAT_FREEBSD32
|
|
case PCIOCGETCONF32:
|
|
return (pci_conf_match32((struct pci_match_conf32 *)matches,
|
|
num_matches, match_buf));
|
|
#endif
|
|
#ifdef PRE7_COMPAT
|
|
case PCIOCGETCONF_OLD:
|
|
return (pci_conf_match_old(
|
|
(struct pci_match_conf_old *)matches, num_matches,
|
|
match_buf));
|
|
#ifdef COMPAT_FREEBSD32
|
|
case PCIOCGETCONF_OLD32:
|
|
return (pci_conf_match_old32(
|
|
(struct pci_match_conf_old32 *)matches, num_matches,
|
|
match_buf));
|
|
#endif
|
|
#endif
|
|
default:
|
|
/* programmer error */
|
|
return (0);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Like PVE_NEXT but takes an explicit length since 'pve' is a user
|
|
* pointer that cannot be dereferenced.
|
|
*/
|
|
#define PVE_NEXT_LEN(pve, datalen) \
|
|
((struct pci_vpd_element *)((char *)(pve) + \
|
|
sizeof(struct pci_vpd_element) + (datalen)))
|
|
|
|
static int
|
|
pci_list_vpd(device_t dev, struct pci_list_vpd_io *lvio)
|
|
{
|
|
struct pci_vpd_element vpd_element, *vpd_user;
|
|
struct pcicfg_vpd *vpd;
|
|
size_t len;
|
|
int error, i;
|
|
|
|
vpd = pci_fetch_vpd_list(dev);
|
|
if (vpd->vpd_reg == 0 || vpd->vpd_ident == NULL)
|
|
return (ENXIO);
|
|
|
|
/*
|
|
* Calculate the amount of space needed in the data buffer. An
|
|
* identifier element is always present followed by the read-only
|
|
* and read-write keywords.
|
|
*/
|
|
len = sizeof(struct pci_vpd_element) + strlen(vpd->vpd_ident);
|
|
for (i = 0; i < vpd->vpd_rocnt; i++)
|
|
len += sizeof(struct pci_vpd_element) + vpd->vpd_ros[i].len;
|
|
for (i = 0; i < vpd->vpd_wcnt; i++)
|
|
len += sizeof(struct pci_vpd_element) + vpd->vpd_w[i].len;
|
|
|
|
if (lvio->plvi_len == 0) {
|
|
lvio->plvi_len = len;
|
|
return (0);
|
|
}
|
|
if (lvio->plvi_len < len) {
|
|
lvio->plvi_len = len;
|
|
return (ENOMEM);
|
|
}
|
|
|
|
/*
|
|
* Copyout the identifier string followed by each keyword and
|
|
* value.
|
|
*/
|
|
vpd_user = lvio->plvi_data;
|
|
vpd_element.pve_keyword[0] = '\0';
|
|
vpd_element.pve_keyword[1] = '\0';
|
|
vpd_element.pve_flags = PVE_FLAG_IDENT;
|
|
vpd_element.pve_datalen = strlen(vpd->vpd_ident);
|
|
error = copyout(&vpd_element, vpd_user, sizeof(vpd_element));
|
|
if (error)
|
|
return (error);
|
|
error = copyout(vpd->vpd_ident, vpd_user->pve_data,
|
|
strlen(vpd->vpd_ident));
|
|
if (error)
|
|
return (error);
|
|
vpd_user = PVE_NEXT_LEN(vpd_user, vpd_element.pve_datalen);
|
|
vpd_element.pve_flags = 0;
|
|
for (i = 0; i < vpd->vpd_rocnt; i++) {
|
|
vpd_element.pve_keyword[0] = vpd->vpd_ros[i].keyword[0];
|
|
vpd_element.pve_keyword[1] = vpd->vpd_ros[i].keyword[1];
|
|
vpd_element.pve_datalen = vpd->vpd_ros[i].len;
|
|
error = copyout(&vpd_element, vpd_user, sizeof(vpd_element));
|
|
if (error)
|
|
return (error);
|
|
error = copyout(vpd->vpd_ros[i].value, vpd_user->pve_data,
|
|
vpd->vpd_ros[i].len);
|
|
if (error)
|
|
return (error);
|
|
vpd_user = PVE_NEXT_LEN(vpd_user, vpd_element.pve_datalen);
|
|
}
|
|
vpd_element.pve_flags = PVE_FLAG_RW;
|
|
for (i = 0; i < vpd->vpd_wcnt; i++) {
|
|
vpd_element.pve_keyword[0] = vpd->vpd_w[i].keyword[0];
|
|
vpd_element.pve_keyword[1] = vpd->vpd_w[i].keyword[1];
|
|
vpd_element.pve_datalen = vpd->vpd_w[i].len;
|
|
error = copyout(&vpd_element, vpd_user, sizeof(vpd_element));
|
|
if (error)
|
|
return (error);
|
|
error = copyout(vpd->vpd_w[i].value, vpd_user->pve_data,
|
|
vpd->vpd_w[i].len);
|
|
if (error)
|
|
return (error);
|
|
vpd_user = PVE_NEXT_LEN(vpd_user, vpd_element.pve_datalen);
|
|
}
|
|
KASSERT((char *)vpd_user - (char *)lvio->plvi_data == len,
|
|
("length mismatch"));
|
|
lvio->plvi_len = len;
|
|
return (0);
|
|
}
|
|
|
|
static size_t
|
|
pci_match_conf_size(u_long cmd)
|
|
{
|
|
|
|
switch (cmd) {
|
|
case PCIOCGETCONF:
|
|
return (sizeof(struct pci_match_conf));
|
|
#ifdef COMPAT_FREEBSD32
|
|
case PCIOCGETCONF32:
|
|
return (sizeof(struct pci_match_conf32));
|
|
#endif
|
|
#ifdef PRE7_COMPAT
|
|
case PCIOCGETCONF_OLD:
|
|
return (sizeof(struct pci_match_conf_old));
|
|
#ifdef COMPAT_FREEBSD32
|
|
case PCIOCGETCONF_OLD32:
|
|
return (sizeof(struct pci_match_conf_old32));
|
|
#endif
|
|
#endif
|
|
default:
|
|
/* programmer error */
|
|
return (0);
|
|
}
|
|
}
|
|
|
|
static size_t
|
|
pci_conf_size(u_long cmd)
|
|
{
|
|
|
|
switch (cmd) {
|
|
case PCIOCGETCONF:
|
|
return (sizeof(struct pci_conf));
|
|
#ifdef COMPAT_FREEBSD32
|
|
case PCIOCGETCONF32:
|
|
return (sizeof(struct pci_conf32));
|
|
#endif
|
|
#ifdef PRE7_COMPAT
|
|
case PCIOCGETCONF_OLD:
|
|
return (sizeof(struct pci_conf_old));
|
|
#ifdef COMPAT_FREEBSD32
|
|
case PCIOCGETCONF_OLD32:
|
|
return (sizeof(struct pci_conf_old32));
|
|
#endif
|
|
#endif
|
|
default:
|
|
/* programmer error */
|
|
return (0);
|
|
}
|
|
}
|
|
|
|
static void
|
|
pci_conf_io_init(struct pci_conf_io *cio, caddr_t data, u_long cmd)
|
|
{
|
|
#if defined(COMPAT_FREEBSD32)
|
|
struct pci_conf_io32 *cio32;
|
|
#endif
|
|
|
|
switch (cmd) {
|
|
case PCIOCGETCONF:
|
|
#ifdef PRE7_COMPAT
|
|
case PCIOCGETCONF_OLD:
|
|
#endif
|
|
*cio = *(struct pci_conf_io *)data;
|
|
return;
|
|
|
|
#ifdef COMPAT_FREEBSD32
|
|
case PCIOCGETCONF32:
|
|
#ifdef PRE7_COMPAT
|
|
case PCIOCGETCONF_OLD32:
|
|
#endif
|
|
cio32 = (struct pci_conf_io32 *)data;
|
|
cio->pat_buf_len = cio32->pat_buf_len;
|
|
cio->num_patterns = cio32->num_patterns;
|
|
cio->patterns = (void *)(uintptr_t)cio32->patterns;
|
|
cio->match_buf_len = cio32->match_buf_len;
|
|
cio->num_matches = cio32->num_matches;
|
|
cio->matches = (void *)(uintptr_t)cio32->matches;
|
|
cio->offset = cio32->offset;
|
|
cio->generation = cio32->generation;
|
|
cio->status = cio32->status;
|
|
return;
|
|
#endif
|
|
|
|
default:
|
|
/* programmer error */
|
|
return;
|
|
}
|
|
}
|
|
|
|
static void
|
|
pci_conf_io_update_data(const struct pci_conf_io *cio, caddr_t data,
|
|
u_long cmd)
|
|
{
|
|
struct pci_conf_io *d_cio;
|
|
#if defined(COMPAT_FREEBSD32)
|
|
struct pci_conf_io32 *cio32;
|
|
#endif
|
|
|
|
switch (cmd) {
|
|
case PCIOCGETCONF:
|
|
#ifdef PRE7_COMPAT
|
|
case PCIOCGETCONF_OLD:
|
|
#endif
|
|
d_cio = (struct pci_conf_io *)data;
|
|
d_cio->status = cio->status;
|
|
d_cio->generation = cio->generation;
|
|
d_cio->offset = cio->offset;
|
|
d_cio->num_matches = cio->num_matches;
|
|
return;
|
|
|
|
#ifdef COMPAT_FREEBSD32
|
|
case PCIOCGETCONF32:
|
|
#ifdef PRE7_COMPAT
|
|
case PCIOCGETCONF_OLD32:
|
|
#endif
|
|
cio32 = (struct pci_conf_io32 *)data;
|
|
|
|
cio32->status = cio->status;
|
|
cio32->generation = cio->generation;
|
|
cio32->offset = cio->offset;
|
|
cio32->num_matches = cio->num_matches;
|
|
return;
|
|
#endif
|
|
|
|
default:
|
|
/* programmer error */
|
|
return;
|
|
}
|
|
}
|
|
|
|
static void
|
|
pci_conf_for_copyout(const struct pci_conf *pcp, union pci_conf_union *pcup,
|
|
u_long cmd)
|
|
{
|
|
|
|
memset(pcup, 0, sizeof(*pcup));
|
|
|
|
switch (cmd) {
|
|
case PCIOCGETCONF:
|
|
pcup->pc = *pcp;
|
|
return;
|
|
|
|
#ifdef COMPAT_FREEBSD32
|
|
case PCIOCGETCONF32:
|
|
pcup->pc32.pc_sel = pcp->pc_sel;
|
|
pcup->pc32.pc_hdr = pcp->pc_hdr;
|
|
pcup->pc32.pc_subvendor = pcp->pc_subvendor;
|
|
pcup->pc32.pc_subdevice = pcp->pc_subdevice;
|
|
pcup->pc32.pc_vendor = pcp->pc_vendor;
|
|
pcup->pc32.pc_device = pcp->pc_device;
|
|
pcup->pc32.pc_class = pcp->pc_class;
|
|
pcup->pc32.pc_subclass = pcp->pc_subclass;
|
|
pcup->pc32.pc_progif = pcp->pc_progif;
|
|
pcup->pc32.pc_revid = pcp->pc_revid;
|
|
strlcpy(pcup->pc32.pd_name, pcp->pd_name,
|
|
sizeof(pcup->pc32.pd_name));
|
|
pcup->pc32.pd_unit = (uint32_t)pcp->pd_unit;
|
|
return;
|
|
#endif
|
|
|
|
#ifdef PRE7_COMPAT
|
|
#ifdef COMPAT_FREEBSD32
|
|
case PCIOCGETCONF_OLD32:
|
|
pcup->pco32.pc_sel.pc_bus = pcp->pc_sel.pc_bus;
|
|
pcup->pco32.pc_sel.pc_dev = pcp->pc_sel.pc_dev;
|
|
pcup->pco32.pc_sel.pc_func = pcp->pc_sel.pc_func;
|
|
pcup->pco32.pc_hdr = pcp->pc_hdr;
|
|
pcup->pco32.pc_subvendor = pcp->pc_subvendor;
|
|
pcup->pco32.pc_subdevice = pcp->pc_subdevice;
|
|
pcup->pco32.pc_vendor = pcp->pc_vendor;
|
|
pcup->pco32.pc_device = pcp->pc_device;
|
|
pcup->pco32.pc_class = pcp->pc_class;
|
|
pcup->pco32.pc_subclass = pcp->pc_subclass;
|
|
pcup->pco32.pc_progif = pcp->pc_progif;
|
|
pcup->pco32.pc_revid = pcp->pc_revid;
|
|
strlcpy(pcup->pco32.pd_name, pcp->pd_name,
|
|
sizeof(pcup->pco32.pd_name));
|
|
pcup->pco32.pd_unit = (uint32_t)pcp->pd_unit;
|
|
return;
|
|
|
|
#endif /* COMPAT_FREEBSD32 */
|
|
case PCIOCGETCONF_OLD:
|
|
pcup->pco.pc_sel.pc_bus = pcp->pc_sel.pc_bus;
|
|
pcup->pco.pc_sel.pc_dev = pcp->pc_sel.pc_dev;
|
|
pcup->pco.pc_sel.pc_func = pcp->pc_sel.pc_func;
|
|
pcup->pco.pc_hdr = pcp->pc_hdr;
|
|
pcup->pco.pc_subvendor = pcp->pc_subvendor;
|
|
pcup->pco.pc_subdevice = pcp->pc_subdevice;
|
|
pcup->pco.pc_vendor = pcp->pc_vendor;
|
|
pcup->pco.pc_device = pcp->pc_device;
|
|
pcup->pco.pc_class = pcp->pc_class;
|
|
pcup->pco.pc_subclass = pcp->pc_subclass;
|
|
pcup->pco.pc_progif = pcp->pc_progif;
|
|
pcup->pco.pc_revid = pcp->pc_revid;
|
|
strlcpy(pcup->pco.pd_name, pcp->pd_name,
|
|
sizeof(pcup->pco.pd_name));
|
|
pcup->pco.pd_unit = pcp->pd_unit;
|
|
return;
|
|
#endif /* PRE7_COMPAT */
|
|
|
|
default:
|
|
/* programmer error */
|
|
return;
|
|
}
|
|
}
|
|
|
|
static int
|
|
pci_bar_mmap(device_t pcidev, struct pci_bar_mmap *pbm)
|
|
{
|
|
vm_map_t map;
|
|
vm_object_t obj;
|
|
struct thread *td;
|
|
struct sglist *sg;
|
|
struct pci_map *pm;
|
|
vm_paddr_t membase;
|
|
vm_paddr_t pbase;
|
|
vm_size_t plen;
|
|
vm_offset_t addr;
|
|
vm_prot_t prot;
|
|
int error, flags;
|
|
|
|
td = curthread;
|
|
map = &td->td_proc->p_vmspace->vm_map;
|
|
if ((pbm->pbm_flags & ~(PCIIO_BAR_MMAP_FIXED | PCIIO_BAR_MMAP_EXCL |
|
|
PCIIO_BAR_MMAP_RW | PCIIO_BAR_MMAP_ACTIVATE)) != 0 ||
|
|
pbm->pbm_memattr != (vm_memattr_t)pbm->pbm_memattr ||
|
|
!pmap_is_valid_memattr(map->pmap, pbm->pbm_memattr))
|
|
return (EINVAL);
|
|
|
|
/* Fetch the BAR physical base and length. */
|
|
pm = pci_find_bar(pcidev, pbm->pbm_reg);
|
|
if (pm == NULL)
|
|
return (EINVAL);
|
|
if (!pci_bar_enabled(pcidev, pm))
|
|
return (EBUSY); /* XXXKIB enable if _ACTIVATE */
|
|
if (!PCI_BAR_MEM(pm->pm_value))
|
|
return (EIO);
|
|
membase = pm->pm_value & PCIM_BAR_MEM_BASE;
|
|
pbase = trunc_page(membase);
|
|
plen = round_page(membase + ((pci_addr_t)1 << pm->pm_size)) -
|
|
pbase;
|
|
prot = VM_PROT_READ | (((pbm->pbm_flags & PCIIO_BAR_MMAP_RW) != 0) ?
|
|
VM_PROT_WRITE : 0);
|
|
|
|
/* Create vm structures and mmap. */
|
|
sg = sglist_alloc(1, M_WAITOK);
|
|
error = sglist_append_phys(sg, pbase, plen);
|
|
if (error != 0)
|
|
goto out;
|
|
obj = vm_pager_allocate(OBJT_SG, sg, plen, prot, 0, td->td_ucred);
|
|
if (obj == NULL) {
|
|
error = EIO;
|
|
goto out;
|
|
}
|
|
obj->memattr = pbm->pbm_memattr;
|
|
flags = MAP_SHARED;
|
|
addr = 0;
|
|
if ((pbm->pbm_flags & PCIIO_BAR_MMAP_FIXED) != 0) {
|
|
addr = (uintptr_t)pbm->pbm_map_base;
|
|
flags |= MAP_FIXED;
|
|
}
|
|
if ((pbm->pbm_flags & PCIIO_BAR_MMAP_EXCL) != 0)
|
|
flags |= MAP_CHECK_EXCL;
|
|
error = vm_mmap_object(map, &addr, plen, prot, prot, flags, obj, 0,
|
|
FALSE, td);
|
|
if (error != 0) {
|
|
vm_object_deallocate(obj);
|
|
goto out;
|
|
}
|
|
pbm->pbm_map_base = (void *)addr;
|
|
pbm->pbm_map_length = plen;
|
|
pbm->pbm_bar_off = membase - pbase;
|
|
pbm->pbm_bar_length = (pci_addr_t)1 << pm->pm_size;
|
|
|
|
out:
|
|
sglist_free(sg);
|
|
return (error);
|
|
}
|
|
|
|
static int
|
|
pci_ioctl(struct cdev *dev, u_long cmd, caddr_t data, int flag, struct thread *td)
|
|
{
|
|
device_t pcidev;
|
|
const char *name;
|
|
struct devlist *devlist_head;
|
|
struct pci_conf_io *cio = NULL;
|
|
struct pci_devinfo *dinfo;
|
|
struct pci_io *io;
|
|
struct pci_bar_io *bio;
|
|
struct pci_list_vpd_io *lvio;
|
|
struct pci_match_conf *pattern_buf;
|
|
struct pci_map *pm;
|
|
struct pci_bar_mmap *pbm;
|
|
size_t confsz, iolen;
|
|
int error, ionum, i, num_patterns;
|
|
union pci_conf_union pcu;
|
|
#ifdef PRE7_COMPAT
|
|
struct pci_io iodata;
|
|
struct pci_io_old *io_old;
|
|
|
|
io_old = NULL;
|
|
#endif
|
|
|
|
if (!(flag & FWRITE)) {
|
|
switch (cmd) {
|
|
case PCIOCGETCONF:
|
|
#ifdef COMPAT_FREEBSD32
|
|
case PCIOCGETCONF32:
|
|
#endif
|
|
#ifdef PRE7_COMPAT
|
|
case PCIOCGETCONF_OLD:
|
|
#ifdef COMPAT_FREEBSD32
|
|
case PCIOCGETCONF_OLD32:
|
|
#endif
|
|
#endif
|
|
case PCIOCGETBAR:
|
|
case PCIOCLISTVPD:
|
|
break;
|
|
default:
|
|
return (EPERM);
|
|
}
|
|
}
|
|
|
|
|
|
switch (cmd) {
|
|
case PCIOCGETCONF:
|
|
#ifdef COMPAT_FREEBSD32
|
|
case PCIOCGETCONF32:
|
|
#endif
|
|
#ifdef PRE7_COMPAT
|
|
case PCIOCGETCONF_OLD:
|
|
#ifdef COMPAT_FREEBSD32
|
|
case PCIOCGETCONF_OLD32:
|
|
#endif
|
|
#endif
|
|
cio = malloc(sizeof(struct pci_conf_io), M_TEMP,
|
|
M_WAITOK | M_ZERO);
|
|
pci_conf_io_init(cio, data, cmd);
|
|
pattern_buf = NULL;
|
|
num_patterns = 0;
|
|
dinfo = NULL;
|
|
|
|
cio->num_matches = 0;
|
|
|
|
/*
|
|
* If the user specified an offset into the device list,
|
|
* but the list has changed since they last called this
|
|
* ioctl, tell them that the list has changed. They will
|
|
* have to get the list from the beginning.
|
|
*/
|
|
if ((cio->offset != 0)
|
|
&& (cio->generation != pci_generation)){
|
|
cio->status = PCI_GETCONF_LIST_CHANGED;
|
|
error = 0;
|
|
goto getconfexit;
|
|
}
|
|
|
|
/*
|
|
* Check to see whether the user has asked for an offset
|
|
* past the end of our list.
|
|
*/
|
|
if (cio->offset >= pci_numdevs) {
|
|
cio->status = PCI_GETCONF_LAST_DEVICE;
|
|
error = 0;
|
|
goto getconfexit;
|
|
}
|
|
|
|
/* get the head of the device queue */
|
|
devlist_head = &pci_devq;
|
|
|
|
/*
|
|
* Determine how much room we have for pci_conf structures.
|
|
* Round the user's buffer size down to the nearest
|
|
* multiple of sizeof(struct pci_conf) in case the user
|
|
* didn't specify a multiple of that size.
|
|
*/
|
|
confsz = pci_conf_size(cmd);
|
|
iolen = min(cio->match_buf_len - (cio->match_buf_len % confsz),
|
|
pci_numdevs * confsz);
|
|
|
|
/*
|
|
* Since we know that iolen is a multiple of the size of
|
|
* the pciconf union, it's okay to do this.
|
|
*/
|
|
ionum = iolen / confsz;
|
|
|
|
/*
|
|
* If this test is true, the user wants the pci_conf
|
|
* structures returned to match the supplied entries.
|
|
*/
|
|
if ((cio->num_patterns > 0) && (cio->num_patterns < pci_numdevs)
|
|
&& (cio->pat_buf_len > 0)) {
|
|
/*
|
|
* pat_buf_len needs to be:
|
|
* num_patterns * sizeof(struct pci_match_conf)
|
|
* While it is certainly possible the user just
|
|
* allocated a large buffer, but set the number of
|
|
* matches correctly, it is far more likely that
|
|
* their kernel doesn't match the userland utility
|
|
* they're using. It's also possible that the user
|
|
* forgot to initialize some variables. Yes, this
|
|
* may be overly picky, but I hazard to guess that
|
|
* it's far more likely to just catch folks that
|
|
* updated their kernel but not their userland.
|
|
*/
|
|
if (cio->num_patterns * pci_match_conf_size(cmd) !=
|
|
cio->pat_buf_len) {
|
|
/* The user made a mistake, return an error. */
|
|
cio->status = PCI_GETCONF_ERROR;
|
|
error = EINVAL;
|
|
goto getconfexit;
|
|
}
|
|
|
|
/*
|
|
* Allocate a buffer to hold the patterns.
|
|
*/
|
|
pattern_buf = malloc(cio->pat_buf_len, M_TEMP,
|
|
M_WAITOK);
|
|
error = copyin(cio->patterns, pattern_buf,
|
|
cio->pat_buf_len);
|
|
if (error != 0) {
|
|
error = EINVAL;
|
|
goto getconfexit;
|
|
}
|
|
num_patterns = cio->num_patterns;
|
|
} else if ((cio->num_patterns > 0)
|
|
|| (cio->pat_buf_len > 0)) {
|
|
/*
|
|
* The user made a mistake, spit out an error.
|
|
*/
|
|
cio->status = PCI_GETCONF_ERROR;
|
|
error = EINVAL;
|
|
goto getconfexit;
|
|
}
|
|
|
|
/*
|
|
* Go through the list of devices and copy out the devices
|
|
* that match the user's criteria.
|
|
*/
|
|
for (cio->num_matches = 0, i = 0,
|
|
dinfo = STAILQ_FIRST(devlist_head);
|
|
dinfo != NULL;
|
|
dinfo = STAILQ_NEXT(dinfo, pci_links), i++) {
|
|
|
|
if (i < cio->offset)
|
|
continue;
|
|
|
|
/* Populate pd_name and pd_unit */
|
|
name = NULL;
|
|
if (dinfo->cfg.dev)
|
|
name = device_get_name(dinfo->cfg.dev);
|
|
if (name) {
|
|
strncpy(dinfo->conf.pd_name, name,
|
|
sizeof(dinfo->conf.pd_name));
|
|
dinfo->conf.pd_name[PCI_MAXNAMELEN] = 0;
|
|
dinfo->conf.pd_unit =
|
|
device_get_unit(dinfo->cfg.dev);
|
|
} else {
|
|
dinfo->conf.pd_name[0] = '\0';
|
|
dinfo->conf.pd_unit = 0;
|
|
}
|
|
|
|
if (pattern_buf == NULL ||
|
|
pci_conf_match(cmd, pattern_buf, num_patterns,
|
|
&dinfo->conf) == 0) {
|
|
/*
|
|
* If we've filled up the user's buffer,
|
|
* break out at this point. Since we've
|
|
* got a match here, we'll pick right back
|
|
* up at the matching entry. We can also
|
|
* tell the user that there are more matches
|
|
* left.
|
|
*/
|
|
if (cio->num_matches >= ionum) {
|
|
error = 0;
|
|
break;
|
|
}
|
|
|
|
pci_conf_for_copyout(&dinfo->conf, &pcu, cmd);
|
|
error = copyout(&pcu,
|
|
(caddr_t)cio->matches +
|
|
confsz * cio->num_matches, confsz);
|
|
if (error)
|
|
break;
|
|
cio->num_matches++;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Set the pointer into the list, so if the user is getting
|
|
* n records at a time, where n < pci_numdevs,
|
|
*/
|
|
cio->offset = i;
|
|
|
|
/*
|
|
* Set the generation, the user will need this if they make
|
|
* another ioctl call with offset != 0.
|
|
*/
|
|
cio->generation = pci_generation;
|
|
|
|
/*
|
|
* If this is the last device, inform the user so he won't
|
|
* bother asking for more devices. If dinfo isn't NULL, we
|
|
* know that there are more matches in the list because of
|
|
* the way the traversal is done.
|
|
*/
|
|
if (dinfo == NULL)
|
|
cio->status = PCI_GETCONF_LAST_DEVICE;
|
|
else
|
|
cio->status = PCI_GETCONF_MORE_DEVS;
|
|
|
|
getconfexit:
|
|
pci_conf_io_update_data(cio, data, cmd);
|
|
free(cio, M_TEMP);
|
|
free(pattern_buf, M_TEMP);
|
|
|
|
break;
|
|
|
|
#ifdef PRE7_COMPAT
|
|
case PCIOCREAD_OLD:
|
|
case PCIOCWRITE_OLD:
|
|
io_old = (struct pci_io_old *)data;
|
|
iodata.pi_sel.pc_domain = 0;
|
|
iodata.pi_sel.pc_bus = io_old->pi_sel.pc_bus;
|
|
iodata.pi_sel.pc_dev = io_old->pi_sel.pc_dev;
|
|
iodata.pi_sel.pc_func = io_old->pi_sel.pc_func;
|
|
iodata.pi_reg = io_old->pi_reg;
|
|
iodata.pi_width = io_old->pi_width;
|
|
iodata.pi_data = io_old->pi_data;
|
|
data = (caddr_t)&iodata;
|
|
/* FALLTHROUGH */
|
|
#endif
|
|
case PCIOCREAD:
|
|
case PCIOCWRITE:
|
|
io = (struct pci_io *)data;
|
|
switch(io->pi_width) {
|
|
case 4:
|
|
case 2:
|
|
case 1:
|
|
/* Make sure register is not negative and aligned. */
|
|
if (io->pi_reg < 0 ||
|
|
io->pi_reg & (io->pi_width - 1)) {
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
/*
|
|
* Assume that the user-level bus number is
|
|
* in fact the physical PCI bus number.
|
|
* Look up the grandparent, i.e. the bridge device,
|
|
* so that we can issue configuration space cycles.
|
|
*/
|
|
pcidev = pci_find_dbsf(io->pi_sel.pc_domain,
|
|
io->pi_sel.pc_bus, io->pi_sel.pc_dev,
|
|
io->pi_sel.pc_func);
|
|
if (pcidev) {
|
|
#ifdef PRE7_COMPAT
|
|
if (cmd == PCIOCWRITE || cmd == PCIOCWRITE_OLD)
|
|
#else
|
|
if (cmd == PCIOCWRITE)
|
|
#endif
|
|
pci_write_config(pcidev,
|
|
io->pi_reg,
|
|
io->pi_data,
|
|
io->pi_width);
|
|
#ifdef PRE7_COMPAT
|
|
else if (cmd == PCIOCREAD_OLD)
|
|
io_old->pi_data =
|
|
pci_read_config(pcidev,
|
|
io->pi_reg,
|
|
io->pi_width);
|
|
#endif
|
|
else
|
|
io->pi_data =
|
|
pci_read_config(pcidev,
|
|
io->pi_reg,
|
|
io->pi_width);
|
|
error = 0;
|
|
} else {
|
|
#ifdef COMPAT_FREEBSD4
|
|
if (cmd == PCIOCREAD_OLD) {
|
|
io_old->pi_data = -1;
|
|
error = 0;
|
|
} else
|
|
#endif
|
|
error = ENODEV;
|
|
}
|
|
break;
|
|
default:
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case PCIOCGETBAR:
|
|
bio = (struct pci_bar_io *)data;
|
|
|
|
/*
|
|
* Assume that the user-level bus number is
|
|
* in fact the physical PCI bus number.
|
|
*/
|
|
pcidev = pci_find_dbsf(bio->pbi_sel.pc_domain,
|
|
bio->pbi_sel.pc_bus, bio->pbi_sel.pc_dev,
|
|
bio->pbi_sel.pc_func);
|
|
if (pcidev == NULL) {
|
|
error = ENODEV;
|
|
break;
|
|
}
|
|
pm = pci_find_bar(pcidev, bio->pbi_reg);
|
|
if (pm == NULL) {
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
bio->pbi_base = pm->pm_value;
|
|
bio->pbi_length = (pci_addr_t)1 << pm->pm_size;
|
|
bio->pbi_enabled = pci_bar_enabled(pcidev, pm);
|
|
error = 0;
|
|
break;
|
|
case PCIOCATTACHED:
|
|
error = 0;
|
|
io = (struct pci_io *)data;
|
|
pcidev = pci_find_dbsf(io->pi_sel.pc_domain, io->pi_sel.pc_bus,
|
|
io->pi_sel.pc_dev, io->pi_sel.pc_func);
|
|
if (pcidev != NULL)
|
|
io->pi_data = device_is_attached(pcidev);
|
|
else
|
|
error = ENODEV;
|
|
break;
|
|
case PCIOCLISTVPD:
|
|
lvio = (struct pci_list_vpd_io *)data;
|
|
|
|
/*
|
|
* Assume that the user-level bus number is
|
|
* in fact the physical PCI bus number.
|
|
*/
|
|
pcidev = pci_find_dbsf(lvio->plvi_sel.pc_domain,
|
|
lvio->plvi_sel.pc_bus, lvio->plvi_sel.pc_dev,
|
|
lvio->plvi_sel.pc_func);
|
|
if (pcidev == NULL) {
|
|
error = ENODEV;
|
|
break;
|
|
}
|
|
error = pci_list_vpd(pcidev, lvio);
|
|
break;
|
|
|
|
case PCIOCBARMMAP:
|
|
pbm = (struct pci_bar_mmap *)data;
|
|
if ((flag & FWRITE) == 0 &&
|
|
(pbm->pbm_flags & PCIIO_BAR_MMAP_RW) != 0)
|
|
return (EPERM);
|
|
pcidev = pci_find_dbsf(pbm->pbm_sel.pc_domain,
|
|
pbm->pbm_sel.pc_bus, pbm->pbm_sel.pc_dev,
|
|
pbm->pbm_sel.pc_func);
|
|
error = pcidev == NULL ? ENODEV : pci_bar_mmap(pcidev, pbm);
|
|
break;
|
|
|
|
default:
|
|
error = ENOTTY;
|
|
break;
|
|
}
|
|
|
|
return (error);
|
|
}
|