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LinuxKPI: add utsname for init_utsname() with release

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A wireless dirver is requesting release from the result of
init_utsname().  Populate the field on startup.

MFC after:	10 days
Reviewed by:	emaste
Differential Revision: https://reviews.freebsd.org/D40248
This commit is contained in:
Bjoern A. Zeeb 2023-05-23 23:12:47 +00:00
parent c1b6e9121e
commit ad513b4dba
2 changed files with 55 additions and 0 deletions
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51
sys/compat/linuxkpi/common/include/linux/utsname.h Normal file
View File

@ -0,0 +1,51 @@
/*-
* Copyright (c) 2023 Bjoern A. Zeeb
*
* 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.
*
* $FreeBSD$
*/
#ifndef _LINUXKPI_LINUX_UTSNAME_H
#define _LINUXKPI_LINUX_UTSNAME_H
#include <sys/types.h>
#include <sys/jail.h>
struct _utsname {
char release[OSRELEASELEN];
};
struct uts_namespace {
struct _utsname name;
};
extern struct uts_namespace init_uts_ns;
static inline struct _utsname *
init_utsname(void)
{
return &init_uts_ns.name;
}
#endif /* _LINUXKPI_LINUX_UTSNAME_H */

4
sys/compat/linuxkpi/common/src/linux_compat.c
View File

@ -83,6 +83,7 @@ __FBSDID("$FreeBSD$");
#include <linux/timer.h>
#include <linux/interrupt.h>
#include <linux/uaccess.h>
#include <linux/utsname.h>
#include <linux/list.h>
#include <linux/kthread.h>
#include <linux/kernel.h>
@ -139,6 +140,7 @@ struct class linux_class_misc;
struct list_head pci_drivers;
struct list_head pci_devices;
spinlock_t pci_lock;
struct uts_namespace init_uts_ns;
unsigned long linux_timer_hz_mask;
@ -2813,6 +2815,8 @@ linux_compat_init(void *arg)
*/
for (i = 0; i < MAXCPU; i++)
CPU_SET(i, &static_single_cpu_mask[i]);
strlcpy(init_uts_ns.name.release, osrelease, sizeof(init_uts_ns.name.release));
}
SYSINIT(linux_compat, SI_SUB_DRIVERS, SI_ORDER_SECOND, linux_compat_init, NULL);