diff options
| -rw-r--r-- | share/man/man5/Makefile | 1 | ||||
| -rw-r--r-- | share/man/man5/linsysfs.5 | 86 | ||||
| -rw-r--r-- | sys/amd64/conf/GENERIC | 1 | ||||
| -rw-r--r-- | sys/amd64/conf/NOTES | 4 | ||||
| -rw-r--r-- | sys/compat/linsysfs/linsysfs.c | 285 | ||||
| -rw-r--r-- | sys/conf/files.amd64 | 1 | ||||
| -rw-r--r-- | sys/conf/files.i386 | 1 | ||||
| -rw-r--r-- | sys/conf/files.pc98 | 1 | ||||
| -rw-r--r-- | sys/i386/conf/NOTES | 4 | ||||
| -rw-r--r-- | sys/modules/Makefile | 2 | ||||
| -rw-r--r-- | sys/modules/linsysfs/Makefile | 11 | ||||
| -rw-r--r-- | sys/pc98/conf/NOTES | 4 |
12 files changed, 401 insertions, 0 deletions
diff --git a/share/man/man5/Makefile b/share/man/man5/Makefile index ec779069f561..d86b7cc5c328 100644 --- a/share/man/man5/Makefile +++ b/share/man/man5/Makefile @@ -32,6 +32,7 @@ MAN= acct.5 \ libmap.conf.5 \ link.5 \ linprocfs.5 \ + linsysfs.5 \ mailer.conf.5 \ make.conf.5 \ moduli.5 \ diff --git a/share/man/man5/linsysfs.5 b/share/man/man5/linsysfs.5 new file mode 100644 index 000000000000..8a32bb179304 --- /dev/null +++ b/share/man/man5/linsysfs.5 @@ -0,0 +1,86 @@ +.\" Written by Garrett Wollman +.\" This file is in the public domain. +.\" +.\" $FreeBSD$ +.\" +.Dd May 6, 2006 +.Dt LINSYSFS 5 +.Os +.Sh NAME +.Nm linsysfs +.Nd Linux system file system +.Sh SYNOPSIS +.Bd -literal +linsys /compat/linux/sys linsysfs rw 0 0 +.Ed +.Sh DESCRIPTION +The Linux system file system, or +.Nm , +emulates a subset of the Linux sys file system and is required for +the complete operation of some Linux binaries. +.Pp +The +.Nm +provides a two-level view of devices. +At the highest level, PCI devices themselves are named, according to +their bus, slot and function in the system hierachy. +PCI storage devices are listed in the scsi_host class with a device sym-link +to the PCI directories of the devices. +.Pp +Each device node is a directory containing some files and directories: +.Bl -tag -width status +.It Pa host +A place holder for storage +.Pa host +information. +.It Pa pci_id +A directory for the +.Pa pci_id +that contains either the device information or another directory structure +for a PCI bridge. +.El +.Pp +Each host node of scsi_host is a directory containing some files and directories: +.Bl -tag -width proc_name +.It Pa proc_name +The Linux registered driver name for these devices. +.It Pa device +A sym-link to the PCI +.Pa device +directory. +.El +.Sh FILES +.Bl -tag -width /compat/linux/sys/devices/pci0000:00 -compact +.It Pa /compat/linux/sys +The normal mount point for the +.Nm . +.It Pa /compat/linux/sys/class/scsi_host +The storage host node. +.It Pa /compat/linux/sys/devices/pci0000:00 +The PCI device hierarchy node. +.El +.Sh SEE ALSO +.Xr mount 2 , +.Xr unmount 2 , +.Xr linprocfs 5 , +.Xr procfs 5 , +.Xr pseudofs 9 +.Sh HISTORY +The +.Nm +first appeared in +.Fx 7.0 . +.Sh AUTHORS +.An -nosplit +The +.Nm +was derived from +.Nm linprocfs +by +.An Doug Ambrisko . +This manual page was edited by +.An Doug Ambrisko , +based on the +.Xr linprocfs 5 +manual page by +.An Garrett Wollman . diff --git a/sys/amd64/conf/GENERIC b/sys/amd64/conf/GENERIC index 3093a212360d..a1dc9dd77ab1 100644 --- a/sys/amd64/conf/GENERIC +++ b/sys/amd64/conf/GENERIC @@ -75,6 +75,7 @@ options SMP # Symmetric MultiProcessor Kernel # Linux 32-bit ABI support options COMPAT_LINUX32 # Compatible with i386 linux binaries options LINPROCFS # Cannot be a module yet. +options LINSYSFS # Bus support. device acpi diff --git a/sys/amd64/conf/NOTES b/sys/amd64/conf/NOTES index 6269c52f5d35..114fd257a76c 100644 --- a/sys/amd64/conf/NOTES +++ b/sys/amd64/conf/NOTES @@ -507,6 +507,10 @@ options COMPAT_LINUX32 # and PSEUDOFS) options LINPROCFS +#Enable the linux-like sys filesystem support (requires COMPAT_LINUX32 +# and PSEUDOFS) +options LINSYSFS + # # SysVR4 ABI emulation # diff --git a/sys/compat/linsysfs/linsysfs.c b/sys/compat/linsysfs/linsysfs.c new file mode 100644 index 000000000000..ab3886e8c19f --- /dev/null +++ b/sys/compat/linsysfs/linsysfs.c @@ -0,0 +1,285 @@ +/*- + * Copyright (c) 2006 IronPort Systems + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <sys/param.h> +#include <sys/queue.h> +#include <sys/blist.h> +#include <sys/conf.h> +#include <sys/exec.h> +#include <sys/filedesc.h> +#include <sys/kernel.h> +#include <sys/linker.h> +#include <sys/malloc.h> +#include <sys/mount.h> +#include <sys/mutex.h> +#include <sys/proc.h> +#include <sys/resourcevar.h> +#include <sys/sbuf.h> +#include <sys/smp.h> +#include <sys/socket.h> +#include <sys/vnode.h> +#include <sys/bus.h> +#include <sys/pciio.h> + +#include <dev/pci/pcivar.h> +#include <dev/pci/pcireg.h> + +#include <net/if.h> + +#include <vm/vm.h> +#include <vm/pmap.h> +#include <vm/vm_map.h> +#include <vm/vm_param.h> +#include <vm/vm_object.h> +#include <vm/swap_pager.h> + +#include <machine/bus.h> + +#include "opt_compat.h" +#ifdef COMPAT_LINUX32 /* XXX */ +#include <machine/../linux32/linux.h> +#else +#include <machine/../linux/linux.h> +#endif +#include <compat/linux/linux_ioctl.h> +#include <compat/linux/linux_mib.h> +#include <compat/linux/linux_util.h> +#include <fs/pseudofs/pseudofs.h> +#include <fs/procfs/procfs.h> + +struct scsi_host_queue { + TAILQ_ENTRY(scsi_host_queue) scsi_host_next; + char *path; + char *name; +}; + +TAILQ_HEAD(,scsi_host_queue) scsi_host_q; + +static int host_number = 0; + +static int +atoi(const char *str) +{ + return (int)strtol(str, (char **)NULL, 10); +} + +/* + * Filler function for proc_name + */ +static int +linsysfs_scsiname(PFS_FILL_ARGS) +{ + struct scsi_host_queue *scsi_host; + int index; + + if (strncmp(pn->pn_parent->pn_name, "host", 4) == 0) { + index = atoi(&pn->pn_parent->pn_name[4]); + } else { + sbuf_printf(sb, "unknown\n"); + return (0); + } + TAILQ_FOREACH(scsi_host, &scsi_host_q, scsi_host_next) { + if (index-- == 0) { + sbuf_printf(sb, "%s\n", scsi_host->name); + return (0); + } + } + sbuf_printf(sb, "unknown\n"); + return (0); +} + +/* + * Filler function for device sym-link + */ +static int +linsysfs_link_scsi_host(PFS_FILL_ARGS) +{ + struct scsi_host_queue *scsi_host; + int index; + + if (strncmp(pn->pn_parent->pn_name, "host", 4) == 0) { + index = atoi(&pn->pn_parent->pn_name[4]); + } else { + sbuf_printf(sb, "unknown\n"); + return (0); + } + TAILQ_FOREACH(scsi_host, &scsi_host_q, scsi_host_next) { + if (index-- == 0) { + sbuf_printf(sb, "../../../devices%s", scsi_host->path); + return(0); + } + } + sbuf_printf(sb, "unknown\n"); + return (0); +} + +#define PCI_DEV "pci" +static int +linsysfs_run_bus(device_t dev, struct pfs_node *dir, struct pfs_node *scsi, char *path, + char *prefix) +{ + struct scsi_host_queue *scsi_host; + struct pfs_node *sub_dir; + int i, nchildren; + device_t *children, parent; + devclass_t devclass; + const char *name = NULL; + struct pci_devinfo *dinfo; + char *device, *host, *new_path = path; + + parent = device_get_parent(dev); + if (parent) { + devclass = device_get_devclass(parent); + if (devclass != NULL) + name = devclass_get_name(devclass); + if (name && strcmp(name, PCI_DEV) == 0) { + dinfo = device_get_ivars(dev); + if (dinfo) { + device = malloc(MAXPATHLEN, M_TEMP, M_WAITOK); + new_path = malloc(MAXPATHLEN, M_TEMP, + M_WAITOK); + new_path[0] = '\000'; + strcpy(new_path, path); + host = malloc(MAXPATHLEN, M_TEMP, M_WAITOK); + device[0] = '\000'; + sprintf(device, "%s:%02x:%02x.%x", + prefix, + dinfo->cfg.bus, + dinfo->cfg.slot, + dinfo->cfg.func); + strcat(new_path, "/"); + strcat(new_path, device); + dir = pfs_create_dir(dir, device, + NULL, NULL, 0); + + if (dinfo->cfg.baseclass == PCIC_STORAGE) { + /* DJA only make this if needed */ + sprintf(host, "host%d", host_number++); + strcat(new_path, "/"); + strcat(new_path, host); + sub_dir = pfs_create_dir(dir, + host, NULL, NULL, 0); + scsi_host = malloc(sizeof( + struct scsi_host_queue), + M_DEVBUF, M_NOWAIT); + scsi_host->path = malloc( + strlen(new_path) + 1, + M_DEVBUF, M_NOWAIT); + scsi_host->path[0] = '\000'; + bcopy(new_path, scsi_host->path, + strlen(new_path) + 1); + scsi_host->name = "unknown"; + + sub_dir = pfs_create_dir(scsi, host, + NULL, NULL, 0); + pfs_create_link(sub_dir, "device", + &linsysfs_link_scsi_host, + NULL, NULL, 0); + pfs_create_file(sub_dir, "proc_name", + &linsysfs_scsiname, + NULL, NULL, PFS_RD); + scsi_host->name + = linux_driver_get_name_dev(dev); + TAILQ_INSERT_TAIL(&scsi_host_q, + scsi_host, scsi_host_next); + } + free(device, M_TEMP); + free(host, M_TEMP); + } + } + } + + device_get_children(dev, &children, &nchildren); + for (i = 0; i < nchildren; i++) { + if (children[i]) + linsysfs_run_bus(children[i], dir, scsi, new_path, prefix); + } + if (new_path != path) + free(new_path, M_TEMP); + + return (1); +} + +/* + * Constructor + */ +static int +linsysfs_init(PFS_INIT_ARGS) +{ + struct pfs_node *root; + struct pfs_node *dir; + struct pfs_node *pci; + struct pfs_node *scsi; + devclass_t devclass; + device_t dev; + + TAILQ_INIT(&scsi_host_q); + + root = pi->pi_root; + + /* /sys/class/... */ + scsi = pfs_create_dir(root, "class", NULL, NULL, 0); + scsi = pfs_create_dir(scsi, "scsi_host", NULL, NULL, 0); + + /* /sys/device */ + dir = pfs_create_dir(root, "devices", NULL, NULL, 0); + + /* /sys/device/pci0000:00 */ + pci = pfs_create_dir(dir, "pci0000:00", NULL, NULL, 0); + + devclass = devclass_find("root"); + if (devclass == NULL) { + return (0); + } + + dev = devclass_get_device(devclass, 0); + linsysfs_run_bus(dev, pci, scsi, "/pci0000:00", "0000"); + return (0); +} + +/* + * Destructor + */ +static int +linsysfs_uninit(PFS_INIT_ARGS) +{ + struct scsi_host_queue *scsi_host; + + TAILQ_FOREACH(scsi_host, &scsi_host_q, scsi_host_next) { + TAILQ_REMOVE(&scsi_host_q, scsi_host, scsi_host_next); + free(scsi_host->path, M_TEMP); + free(scsi_host, M_TEMP); + } + + return (0); +} + +PSEUDOFS(linsysfs, 1); +MODULE_DEPEND(linsysfs, linux, 1, 1, 1); +MODULE_DEPEND(linsysfs, procfs, 1, 1, 1); diff --git a/sys/conf/files.amd64 b/sys/conf/files.amd64 index 992b258fd064..9b8416659891 100644 --- a/sys/conf/files.amd64 +++ b/sys/conf/files.amd64 @@ -218,6 +218,7 @@ compat/freebsd32/freebsd32_syscalls.c optional compat_ia32 compat/freebsd32/freebsd32_sysent.c optional compat_ia32 compat/ia32/ia32_sysvec.c optional compat_ia32 compat/linprocfs/linprocfs.c optional linprocfs +compat/linsysfs/linsysfs.c optional linsysfs kern/imgact_elf32.c optional compat_ia32 # # Linux/i386 binary support diff --git a/sys/conf/files.i386 b/sys/conf/files.i386 index 007870a0b6ff..ff23f6ca28ce 100644 --- a/sys/conf/files.i386 +++ b/sys/conf/files.i386 @@ -84,6 +84,7 @@ rr232x_lib.o optional rr232x \ # # compat/linprocfs/linprocfs.c optional linprocfs +compat/linsysfs/linsysfs.c optional linsysfs compat/linux/linux_file.c optional compat_linux compat/linux/linux_getcwd.c optional compat_linux compat/linux/linux_ioctl.c optional compat_linux diff --git a/sys/conf/files.pc98 b/sys/conf/files.pc98 index 5dcb53109992..764b43645894 100644 --- a/sys/conf/files.pc98 +++ b/sys/conf/files.pc98 @@ -54,6 +54,7 @@ opt_ah.h optional ath_hal \ clean "opt_ah.h" # compat/linprocfs/linprocfs.c optional linprocfs +compat/linsysfs/linsysfs.c optional linsysfs compat/linux/linux_file.c optional compat_linux compat/linux/linux_getcwd.c optional compat_linux compat/linux/linux_ioctl.c optional compat_linux diff --git a/sys/i386/conf/NOTES b/sys/i386/conf/NOTES index 8ac64f0d6ad3..27553e1bdb72 100644 --- a/sys/i386/conf/NOTES +++ b/sys/i386/conf/NOTES @@ -1041,6 +1041,10 @@ options COMPAT_AOUT # and PSEUDOFS) options LINPROCFS +#Enable the linux-like sys filesystem support (requires COMPAT_LINUX +# and PSEUDOFS) +options LINSYSFS + # # SysVR4 ABI emulation # diff --git a/sys/modules/Makefile b/sys/modules/Makefile index cbafb6dc7b54..d039e0173fd9 100644 --- a/sys/modules/Makefile +++ b/sys/modules/Makefile @@ -134,6 +134,7 @@ SUBDIR= ${_3dfx} \ libmbpool \ libmchain \ ${_linprocfs} \ + ${_linsysfs} \ ${_linux} \ lmc \ ${_lnc} \ @@ -357,6 +358,7 @@ _ie= ie _if_ndis= if_ndis _io= io _linprocfs= linprocfs +_linsysfs= linsysfs _linux= linux _lnc= lnc _mse= mse diff --git a/sys/modules/linsysfs/Makefile b/sys/modules/linsysfs/Makefile new file mode 100644 index 000000000000..084b82833c2e --- /dev/null +++ b/sys/modules/linsysfs/Makefile @@ -0,0 +1,11 @@ +# $FreeBSD$ + +.PATH: ${.CURDIR}/../../compat/linsysfs + +KMOD= linsysfs +SRCS= vnode_if.h \ + device_if.h bus_if.h pci_if.h \ + linsysfs.c \ + opt_compat.h + +.include <bsd.kmod.mk> diff --git a/sys/pc98/conf/NOTES b/sys/pc98/conf/NOTES index f5094c0ec824..7862b0f3797a 100644 --- a/sys/pc98/conf/NOTES +++ b/sys/pc98/conf/NOTES @@ -658,6 +658,10 @@ options COMPAT_AOUT # and PSEUDOFS) options LINPROCFS +# Enable the linux-like sys filesystem support (requires COMPAT_LINUX +# and PSEUDOFS) +options LINSYSFS + # # SysVR4 ABI emulation # |