Remove gxemul drivers.
These were MIPS-only.
This commit is contained in:
Justin Hibbits
parent
93037a67bf
commit
655d043b49
@ -1,335 +0,0 @@
|
||||
/*-
|
||||
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
|
||||
*
|
||||
* Copyright (c) 2011-2012 Robert N. M. Watson
|
||||
* All rights reserved.
|
||||
*
|
||||
* This software was developed by SRI International and the University of
|
||||
* Cambridge Computer Laboratory under DARPA/AFRL contract (FA8750-10-C-0237)
|
||||
* ("CTSRD"), as part of the DARPA CRASH research programme.
|
||||
*
|
||||
* 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/cons.h>
|
||||
#include <sys/endian.h>
|
||||
#include <sys/kdb.h>
|
||||
#include <sys/systm.h>
|
||||
#include <sys/kernel.h>
|
||||
#include <sys/reboot.h>
|
||||
#include <sys/tty.h>
|
||||
|
||||
#include <ddb/ddb.h>
|
||||
|
||||
#include <machine/cpuregs.h>
|
||||
|
||||
#define GC_LOCK_INIT() mtx_init(&gc_lock, "gc_lock", NULL, MTX_SPIN)
|
||||
|
||||
#define GC_LOCK() do { \
|
||||
if (!kdb_active) \
|
||||
mtx_lock_spin(&gc_lock); \
|
||||
} while (0)
|
||||
|
||||
#define GC_LOCK_ASSERT() do { \
|
||||
if (!kdb_active) \
|
||||
mtx_assert(&gc_lock, MA_OWNED); \
|
||||
} while (0)
|
||||
|
||||
#define GC_UNLOCK() do { \
|
||||
if (!kdb_active) \
|
||||
mtx_unlock_spin(&gc_lock); \
|
||||
} while (0)
|
||||
|
||||
|
||||
static struct mtx gc_lock;
|
||||
|
||||
/*
|
||||
* Low-level console driver functions.
|
||||
*/
|
||||
static cn_probe_t gxemul_cons_cnprobe;
|
||||
static cn_init_t gxemul_cons_cninit;
|
||||
static cn_term_t gxemul_cons_cnterm;
|
||||
static cn_getc_t gxemul_cons_cngetc;
|
||||
static cn_putc_t gxemul_cons_cnputc;
|
||||
static cn_grab_t gxemul_cons_cngrab;
|
||||
static cn_ungrab_t gxemul_cons_cnungrab;
|
||||
|
||||
/*
|
||||
* TTY-level fields.
|
||||
*/
|
||||
static tsw_outwakeup_t gxemul_cons_outwakeup;
|
||||
|
||||
static struct ttydevsw gxemul_cons_ttydevsw = {
|
||||
.tsw_flags = TF_NOPREFIX,
|
||||
.tsw_outwakeup = gxemul_cons_outwakeup,
|
||||
};
|
||||
|
||||
static struct callout gxemul_cons_callout;
|
||||
static u_int gxemul_cons_polltime = 10;
|
||||
#ifdef KDB
|
||||
static int gxemul_cons_alt_break_state;
|
||||
#endif
|
||||
|
||||
static void gxemul_cons_timeout(void *);
|
||||
|
||||
/*
|
||||
* I/O routines lifted from Deimos.
|
||||
*
|
||||
* XXXRW: Should be using FreeBSD's bus routines here, but they are not
|
||||
* available until later in the boot.
|
||||
*/
|
||||
|
||||
static inline vm_offset_t
|
||||
mips_phys_to_uncached(vm_paddr_t phys)
|
||||
{
|
||||
|
||||
return (MIPS_PHYS_TO_DIRECT_UNCACHED(phys));
|
||||
}
|
||||
|
||||
static inline uint8_t
|
||||
mips_ioread_uint8(vm_offset_t vaddr)
|
||||
{
|
||||
uint8_t v;
|
||||
|
||||
__asm__ __volatile__ ("lbu %0, 0(%1)" : "=r" (v) : "r" (vaddr));
|
||||
return (v);
|
||||
}
|
||||
|
||||
static inline void
|
||||
mips_iowrite_uint8(vm_offset_t vaddr, uint8_t v)
|
||||
{
|
||||
|
||||
__asm__ __volatile__ ("sb %0, 0(%1)" : : "r" (v), "r" (vaddr));
|
||||
}
|
||||
|
||||
/*
|
||||
* gxemul-specific constants.
|
||||
*/
|
||||
#define GXEMUL_CONS_BASE 0x10000000 /* gxemul console device. */
|
||||
|
||||
/*
|
||||
* Routines for interacting with the gxemul test console. Programming details
|
||||
* are a result of manually inspecting the source code for gxemul's
|
||||
* dev_cons.cc and dev_cons.h.
|
||||
*
|
||||
* Offsets of I/O channels relative to the base.
|
||||
*/
|
||||
#define GXEMUL_PUTGETCHAR_OFF 0x00000000
|
||||
#define GXEMUL_CONS_HALT 0x00000010
|
||||
|
||||
/*
|
||||
* One-byte buffer as we can't check whether the console is readable without
|
||||
* actually reading from it.
|
||||
*/
|
||||
static char buffer_data;
|
||||
static int buffer_valid;
|
||||
|
||||
/*
|
||||
* Low-level read and write routines.
|
||||
*/
|
||||
static inline uint8_t
|
||||
gxemul_cons_data_read(void)
|
||||
{
|
||||
|
||||
return (mips_ioread_uint8(mips_phys_to_uncached(GXEMUL_CONS_BASE +
|
||||
GXEMUL_PUTGETCHAR_OFF)));
|
||||
}
|
||||
|
||||
static inline void
|
||||
gxemul_cons_data_write(uint8_t v)
|
||||
{
|
||||
|
||||
mips_iowrite_uint8(mips_phys_to_uncached(GXEMUL_CONS_BASE +
|
||||
GXEMUL_PUTGETCHAR_OFF), v);
|
||||
}
|
||||
|
||||
static int
|
||||
gxemul_cons_writable(void)
|
||||
{
|
||||
|
||||
return (1);
|
||||
}
|
||||
|
||||
static int
|
||||
gxemul_cons_readable(void)
|
||||
{
|
||||
uint32_t v;
|
||||
|
||||
GC_LOCK_ASSERT();
|
||||
|
||||
if (buffer_valid)
|
||||
return (1);
|
||||
v = gxemul_cons_data_read();
|
||||
if (v != 0) {
|
||||
buffer_valid = 1;
|
||||
buffer_data = v;
|
||||
return (1);
|
||||
}
|
||||
return (0);
|
||||
}
|
||||
|
||||
static void
|
||||
gxemul_cons_write(char ch)
|
||||
{
|
||||
|
||||
GC_LOCK_ASSERT();
|
||||
|
||||
while (!gxemul_cons_writable());
|
||||
gxemul_cons_data_write(ch);
|
||||
}
|
||||
|
||||
static char
|
||||
gxemul_cons_read(void)
|
||||
{
|
||||
|
||||
GC_LOCK_ASSERT();
|
||||
|
||||
while (!gxemul_cons_readable());
|
||||
buffer_valid = 0;
|
||||
return (buffer_data);
|
||||
}
|
||||
|
||||
/*
|
||||
* Implementation of a FreeBSD low-level, polled console driver.
|
||||
*/
|
||||
static void
|
||||
gxemul_cons_cnprobe(struct consdev *cp)
|
||||
{
|
||||
|
||||
sprintf(cp->cn_name, "ttyu0");
|
||||
cp->cn_pri = (boothowto & RB_SERIAL) ? CN_REMOTE : CN_NORMAL;
|
||||
}
|
||||
|
||||
static void
|
||||
gxemul_cons_cninit(struct consdev *cp)
|
||||
{
|
||||
|
||||
GC_LOCK_INIT();
|
||||
}
|
||||
|
||||
static void
|
||||
gxemul_cons_cnterm(struct consdev *cp)
|
||||
{
|
||||
|
||||
}
|
||||
|
||||
static int
|
||||
gxemul_cons_cngetc(struct consdev *cp)
|
||||
{
|
||||
int ret;
|
||||
|
||||
GC_LOCK();
|
||||
ret = gxemul_cons_read();
|
||||
GC_UNLOCK();
|
||||
return (ret);
|
||||
}
|
||||
|
||||
static void
|
||||
gxemul_cons_cnputc(struct consdev *cp, int c)
|
||||
{
|
||||
|
||||
GC_LOCK();
|
||||
gxemul_cons_write(c);
|
||||
GC_UNLOCK();
|
||||
}
|
||||
|
||||
static void
|
||||
gxemul_cons_cngrab(struct consdev *cp)
|
||||
{
|
||||
|
||||
}
|
||||
|
||||
static void
|
||||
gxemul_cons_cnungrab(struct consdev *cp)
|
||||
{
|
||||
|
||||
}
|
||||
|
||||
CONSOLE_DRIVER(gxemul_cons);
|
||||
|
||||
/*
|
||||
* TTY-level functions for gxemul_cons.
|
||||
*/
|
||||
static void
|
||||
gxemul_cons_ttyinit(void *unused)
|
||||
{
|
||||
struct tty *tp;
|
||||
|
||||
tp = tty_alloc(&gxemul_cons_ttydevsw, NULL);
|
||||
tty_init_console(tp, 0);
|
||||
tty_makedev(tp, NULL, "%s", "ttyu0");
|
||||
callout_init(&gxemul_cons_callout, 1);
|
||||
callout_reset(&gxemul_cons_callout, gxemul_cons_polltime,
|
||||
gxemul_cons_timeout, tp);
|
||||
|
||||
}
|
||||
SYSINIT(gxemul_cons_ttyinit, SI_SUB_CONFIGURE, SI_ORDER_MIDDLE,
|
||||
gxemul_cons_ttyinit, NULL);
|
||||
|
||||
static void
|
||||
gxemul_cons_outwakeup(struct tty *tp)
|
||||
{
|
||||
int len;
|
||||
u_char ch;
|
||||
|
||||
/*
|
||||
* XXXRW: Would be nice not to do blocking writes to the console here,
|
||||
* rescheduling on our timer tick if work remains to be done..
|
||||
*/
|
||||
for (;;) {
|
||||
len = ttydisc_getc(tp, &ch, sizeof(ch));
|
||||
if (len == 0)
|
||||
break;
|
||||
GC_LOCK();
|
||||
gxemul_cons_write(ch);
|
||||
GC_UNLOCK();
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
gxemul_cons_timeout(void *v)
|
||||
{
|
||||
struct tty *tp;
|
||||
int c;
|
||||
|
||||
tp = v;
|
||||
tty_lock(tp);
|
||||
GC_LOCK();
|
||||
while (gxemul_cons_readable()) {
|
||||
c = gxemul_cons_read();
|
||||
GC_UNLOCK();
|
||||
#ifdef KDB
|
||||
kdb_alt_break(c, &gxemul_cons_alt_break_state);
|
||||
#endif
|
||||
ttydisc_rint(tp, c, 0);
|
||||
GC_LOCK();
|
||||
}
|
||||
GC_UNLOCK();
|
||||
ttydisc_rint_done(tp);
|
||||
tty_unlock(tp);
|
||||
callout_reset(&gxemul_cons_callout, gxemul_cons_polltime,
|
||||
gxemul_cons_timeout, tp);
|
||||
}
|
||||
@ -1,331 +0,0 @@
|
||||
/*-
|
||||
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
|
||||
*
|
||||
* Copyright (c) 2008-2012 Juli Mallett <jmallett@FreeBSD.org>
|
||||
* 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.
|
||||
*
|
||||
* $FreeBSD$
|
||||
*/
|
||||
|
||||
#include <sys/cdefs.h>
|
||||
__FBSDID("$FreeBSD$");
|
||||
|
||||
#include <sys/param.h>
|
||||
#include <sys/bio.h>
|
||||
#include <sys/systm.h>
|
||||
#include <sys/bus.h>
|
||||
#include <sys/kernel.h>
|
||||
#include <sys/lock.h>
|
||||
#include <sys/malloc.h>
|
||||
#include <sys/module.h>
|
||||
#include <sys/mutex.h>
|
||||
#include <sys/rman.h>
|
||||
|
||||
#include <geom/geom.h>
|
||||
|
||||
#include <machine/cpuregs.h>
|
||||
|
||||
#include <dev/gxemul/disk/gxemul_diskreg.h>
|
||||
|
||||
struct gxemul_disk_softc {
|
||||
device_t sc_dev;
|
||||
uint64_t sc_size;
|
||||
struct g_geom *sc_geom;
|
||||
struct g_provider *sc_provider;
|
||||
};
|
||||
|
||||
static struct mtx gxemul_disk_controller_mutex;
|
||||
|
||||
static g_start_t gxemul_disk_start;
|
||||
static g_access_t gxemul_disk_access;
|
||||
|
||||
struct g_class g_gxemul_disk_class = {
|
||||
.name = "GXemul",
|
||||
.version = G_VERSION,
|
||||
.start = gxemul_disk_start,
|
||||
.access = gxemul_disk_access,
|
||||
};
|
||||
|
||||
DECLARE_GEOM_CLASS(g_gxemul_disk_class, g_gxemul_disk);
|
||||
|
||||
static void gxemul_disk_identify(driver_t *, device_t);
|
||||
static int gxemul_disk_probe(device_t);
|
||||
static int gxemul_disk_attach(device_t);
|
||||
static void gxemul_disk_attach_geom(void *, int);
|
||||
|
||||
static int gxemul_disk_read(unsigned, void *, off_t);
|
||||
static int gxemul_disk_size(unsigned, uint64_t *);
|
||||
static int gxemul_disk_write(unsigned, const void *, off_t);
|
||||
|
||||
static void
|
||||
gxemul_disk_start(struct bio *bp)
|
||||
{
|
||||
struct gxemul_disk_softc *sc;
|
||||
unsigned diskid;
|
||||
off_t offset;
|
||||
uint8_t *buf;
|
||||
int error;
|
||||
|
||||
sc = bp->bio_to->geom->softc;
|
||||
diskid = device_get_unit(sc->sc_dev);
|
||||
|
||||
if ((bp->bio_length % GXEMUL_DISK_DEV_BLOCKSIZE) != 0) {
|
||||
g_io_deliver(bp, EINVAL);
|
||||
return;
|
||||
}
|
||||
|
||||
buf = bp->bio_data;
|
||||
offset = bp->bio_offset;
|
||||
bp->bio_resid = bp->bio_length;
|
||||
while (bp->bio_resid != 0) {
|
||||
switch (bp->bio_cmd) {
|
||||
case BIO_READ:
|
||||
mtx_lock(&gxemul_disk_controller_mutex);
|
||||
error = gxemul_disk_read(diskid, buf, offset);
|
||||
mtx_unlock(&gxemul_disk_controller_mutex);
|
||||
break;
|
||||
case BIO_WRITE:
|
||||
mtx_lock(&gxemul_disk_controller_mutex);
|
||||
error = gxemul_disk_write(diskid, buf, offset);
|
||||
mtx_unlock(&gxemul_disk_controller_mutex);
|
||||
break;
|
||||
default:
|
||||
g_io_deliver(bp, EOPNOTSUPP);
|
||||
return;
|
||||
}
|
||||
if (error != 0) {
|
||||
g_io_deliver(bp, error);
|
||||
return;
|
||||
}
|
||||
|
||||
buf += GXEMUL_DISK_DEV_BLOCKSIZE;
|
||||
offset += GXEMUL_DISK_DEV_BLOCKSIZE;
|
||||
bp->bio_completed += GXEMUL_DISK_DEV_BLOCKSIZE;
|
||||
bp->bio_resid -= GXEMUL_DISK_DEV_BLOCKSIZE;
|
||||
}
|
||||
|
||||
g_io_deliver(bp, 0);
|
||||
}
|
||||
|
||||
static int
|
||||
gxemul_disk_access(struct g_provider *pp, int r, int w, int e)
|
||||
{
|
||||
return (0);
|
||||
}
|
||||
|
||||
static void
|
||||
gxemul_disk_identify(driver_t *drv, device_t parent)
|
||||
{
|
||||
unsigned diskid;
|
||||
|
||||
mtx_init(&gxemul_disk_controller_mutex, "GXemul disk controller", NULL, MTX_DEF);
|
||||
|
||||
mtx_lock(&gxemul_disk_controller_mutex);
|
||||
for (diskid = 0; diskid < 0x100; diskid++) {
|
||||
/*
|
||||
* If we can read at offset 0, this disk id must be
|
||||
* present enough. If we get an error, stop looking.
|
||||
* Disks in GXemul are allocated linearly from 0.
|
||||
*/
|
||||
if (gxemul_disk_read(diskid, NULL, 0) != 0)
|
||||
break;
|
||||
BUS_ADD_CHILD(parent, 0, "gxemul_disk", diskid);
|
||||
}
|
||||
mtx_unlock(&gxemul_disk_controller_mutex);
|
||||
}
|
||||
|
||||
static int
|
||||
gxemul_disk_probe(device_t dev)
|
||||
{
|
||||
device_set_desc(dev, "GXemul test disk");
|
||||
|
||||
return (BUS_PROBE_NOWILDCARD);
|
||||
}
|
||||
|
||||
static void
|
||||
gxemul_disk_attach_geom(void *arg, int flag)
|
||||
{
|
||||
struct gxemul_disk_softc *sc;
|
||||
|
||||
sc = arg;
|
||||
|
||||
sc->sc_geom = g_new_geomf(&g_gxemul_disk_class, "%s", device_get_nameunit(sc->sc_dev));
|
||||
sc->sc_geom->softc = sc;
|
||||
|
||||
sc->sc_provider = g_new_providerf(sc->sc_geom, "%s", sc->sc_geom->name);
|
||||
sc->sc_provider->sectorsize = GXEMUL_DISK_DEV_BLOCKSIZE;
|
||||
sc->sc_provider->mediasize = sc->sc_size;
|
||||
g_error_provider(sc->sc_provider, 0);
|
||||
}
|
||||
|
||||
static int
|
||||
gxemul_disk_attach(device_t dev)
|
||||
{
|
||||
struct gxemul_disk_softc *sc;
|
||||
unsigned diskid;
|
||||
int error;
|
||||
|
||||
diskid = device_get_unit(dev);
|
||||
|
||||
sc = device_get_softc(dev);
|
||||
sc->sc_dev = dev;
|
||||
sc->sc_geom = NULL;
|
||||
sc->sc_provider = NULL;
|
||||
|
||||
mtx_lock(&gxemul_disk_controller_mutex);
|
||||
error = gxemul_disk_size(diskid, &sc->sc_size);
|
||||
if (error != 0) {
|
||||
mtx_unlock(&gxemul_disk_controller_mutex);
|
||||
return (error);
|
||||
}
|
||||
mtx_unlock(&gxemul_disk_controller_mutex);
|
||||
|
||||
g_post_event(gxemul_disk_attach_geom, sc, M_WAITOK, NULL);
|
||||
|
||||
return (0);
|
||||
}
|
||||
|
||||
static int
|
||||
gxemul_disk_read(unsigned diskid, void *buf, off_t off)
|
||||
{
|
||||
const volatile void *src;
|
||||
|
||||
mtx_assert(&gxemul_disk_controller_mutex, MA_OWNED);
|
||||
|
||||
if (off < 0 || off % GXEMUL_DISK_DEV_BLOCKSIZE != 0)
|
||||
return (EINVAL);
|
||||
|
||||
#ifdef _LP64
|
||||
GXEMUL_DISK_DEV_WRITE(GXEMUL_DISK_DEV_OFFSET, (uint64_t)off);
|
||||
#else
|
||||
GXEMUL_DISK_DEV_WRITE(GXEMUL_DISK_DEV_OFFSET_LO,
|
||||
(uint32_t)(off & 0xffffffff));
|
||||
GXEMUL_DISK_DEV_WRITE(GXEMUL_DISK_DEV_OFFSET_HI,
|
||||
(uint32_t)((off >> 32) & 0xffffffff));
|
||||
#endif
|
||||
GXEMUL_DISK_DEV_WRITE(GXEMUL_DISK_DEV_DISKID, diskid);
|
||||
GXEMUL_DISK_DEV_WRITE(GXEMUL_DISK_DEV_START, GXEMUL_DISK_DEV_START_READ);
|
||||
switch (GXEMUL_DISK_DEV_READ(GXEMUL_DISK_DEV_STATUS)) {
|
||||
case GXEMUL_DISK_DEV_STATUS_FAILURE:
|
||||
return (EIO);
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
if (buf != NULL) {
|
||||
src = GXEMUL_DISK_DEV_FUNCTION(GXEMUL_DISK_DEV_BLOCK);
|
||||
memcpy(buf, (const void *)(uintptr_t)src,
|
||||
GXEMUL_DISK_DEV_BLOCKSIZE);
|
||||
}
|
||||
|
||||
return (0);
|
||||
}
|
||||
|
||||
static int
|
||||
gxemul_disk_size(unsigned diskid, uint64_t *sizep)
|
||||
{
|
||||
uint64_t offset, ogood;
|
||||
uint64_t m, s;
|
||||
int error;
|
||||
|
||||
m = 1;
|
||||
s = 3;
|
||||
ogood = 0;
|
||||
|
||||
for (;;) {
|
||||
offset = (ogood * s) + (m * GXEMUL_DISK_DEV_BLOCKSIZE);
|
||||
|
||||
error = gxemul_disk_read(diskid, NULL, offset);
|
||||
if (error != 0) {
|
||||
if (m == 1 && s == 1) {
|
||||
*sizep = ogood + GXEMUL_DISK_DEV_BLOCKSIZE;
|
||||
return (0);
|
||||
}
|
||||
if (m > 1)
|
||||
m /= 2;
|
||||
if (s > 1)
|
||||
s--;
|
||||
continue;
|
||||
}
|
||||
if (ogood == offset) {
|
||||
m = 1;
|
||||
continue;
|
||||
}
|
||||
ogood = offset;
|
||||
m++;
|
||||
}
|
||||
|
||||
return (EDOOFUS);
|
||||
}
|
||||
|
||||
static int
|
||||
gxemul_disk_write(unsigned diskid, const void *buf, off_t off)
|
||||
{
|
||||
volatile void *dst;
|
||||
|
||||
mtx_assert(&gxemul_disk_controller_mutex, MA_OWNED);
|
||||
|
||||
if (off < 0 || off % GXEMUL_DISK_DEV_BLOCKSIZE != 0)
|
||||
return (EINVAL);
|
||||
|
||||
#ifdef _LP64
|
||||
GXEMUL_DISK_DEV_WRITE(GXEMUL_DISK_DEV_OFFSET, (uint64_t)off);
|
||||
#else
|
||||
GXEMUL_DISK_DEV_WRITE(GXEMUL_DISK_DEV_OFFSET_LO,
|
||||
(uint32_t)(off & 0xffffffff));
|
||||
GXEMUL_DISK_DEV_WRITE(GXEMUL_DISK_DEV_OFFSET_HI,
|
||||
(uint32_t)((off >> 32) & 0xffffffff));
|
||||
#endif
|
||||
|
||||
GXEMUL_DISK_DEV_WRITE(GXEMUL_DISK_DEV_DISKID, diskid);
|
||||
|
||||
dst = GXEMUL_DISK_DEV_FUNCTION(GXEMUL_DISK_DEV_BLOCK);
|
||||
memcpy((void *)(uintptr_t)dst, buf, GXEMUL_DISK_DEV_BLOCKSIZE);
|
||||
|
||||
GXEMUL_DISK_DEV_WRITE(GXEMUL_DISK_DEV_START, GXEMUL_DISK_DEV_START_WRITE);
|
||||
switch (GXEMUL_DISK_DEV_READ(GXEMUL_DISK_DEV_STATUS)) {
|
||||
case GXEMUL_DISK_DEV_STATUS_FAILURE:
|
||||
return (EIO);
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
return (0);
|
||||
}
|
||||
|
||||
static device_method_t gxemul_disk_methods[] = {
|
||||
DEVMETHOD(device_probe, gxemul_disk_probe),
|
||||
DEVMETHOD(device_identify, gxemul_disk_identify),
|
||||
DEVMETHOD(device_attach, gxemul_disk_attach),
|
||||
|
||||
{ 0, 0 }
|
||||
};
|
||||
|
||||
static driver_t gxemul_disk_driver = {
|
||||
"gxemul_disk",
|
||||
gxemul_disk_methods,
|
||||
sizeof (struct gxemul_disk_softc)
|
||||
};
|
||||
|
||||
DRIVER_MODULE(gxemul_disk, nexus, gxemul_disk_driver, 0, 0);
|
||||
@ -1,71 +0,0 @@
|
||||
/*-
|
||||
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
|
||||
*
|
||||
* Copyright (c) 2008-2012 Juli Mallett <jmallett@FreeBSD.org>
|
||||
* 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.
|
||||
*
|
||||
* $FreeBSD$
|
||||
*/
|
||||
|
||||
#ifndef _DEV_GXEMUL_DISK_GXEMUL_DISK_H_
|
||||
#define _DEV_GXEMUL_DISK_GXEMUL_DISK_H_
|
||||
|
||||
#define GXEMUL_DISK_DEV_BASE (0x13000000)
|
||||
|
||||
#define GXEMUL_DISK_DEV_BLOCKSIZE (0x0200)
|
||||
|
||||
#define GXEMUL_DISK_DEV_ID_START (0x0000)
|
||||
#define GXEMUL_DISK_DEV_ID_END (0x0100)
|
||||
|
||||
#ifdef _LP64
|
||||
#define GXEMUL_DISK_DEV_OFFSET (0x0000)
|
||||
#else
|
||||
#define GXEMUL_DISK_DEV_OFFSET_LO (0x0000)
|
||||
#define GXEMUL_DISK_DEV_OFFSET_HI (0x0008)
|
||||
#endif
|
||||
#define GXEMUL_DISK_DEV_DISKID (0x0010)
|
||||
#define GXEMUL_DISK_DEV_START (0x0020)
|
||||
#define GXEMUL_DISK_DEV_STATUS (0x0030)
|
||||
#define GXEMUL_DISK_DEV_BLOCK (0x4000)
|
||||
|
||||
#ifdef _LP64
|
||||
#define GXEMUL_DISK_DEV_FUNCTION(f) \
|
||||
(volatile uint64_t *)MIPS_PHYS_TO_DIRECT_UNCACHED(GXEMUL_DISK_DEV_BASE + (f))
|
||||
#define GXEMUL_DISK_DEV_READ(f) \
|
||||
(volatile uint64_t)*GXEMUL_DISK_DEV_FUNCTION(f)
|
||||
#else
|
||||
#define GXEMUL_DISK_DEV_FUNCTION(f) \
|
||||
(volatile uint32_t *)MIPS_PHYS_TO_DIRECT_UNCACHED(GXEMUL_DISK_DEV_BASE + (f))
|
||||
#define GXEMUL_DISK_DEV_READ(f) \
|
||||
(volatile uint32_t)*GXEMUL_DISK_DEV_FUNCTION(f)
|
||||
#endif
|
||||
#define GXEMUL_DISK_DEV_WRITE(f, v) \
|
||||
*GXEMUL_DISK_DEV_FUNCTION(f) = (v)
|
||||
|
||||
#define GXEMUL_DISK_DEV_START_READ (0x00)
|
||||
#define GXEMUL_DISK_DEV_START_WRITE (0x01)
|
||||
|
||||
#define GXEMUL_DISK_DEV_STATUS_FAILURE (0x00)
|
||||
|
||||
#endif /* !_DEV_GXEMUL_DISK_GXEMUL_DISK_H_ */
|
||||
@ -1,65 +0,0 @@
|
||||
/*-
|
||||
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
|
||||
*
|
||||
* Copyright (c) 2008-2012 Juli Mallett <jmallett@FreeBSD.org>
|
||||
* 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.
|
||||
*
|
||||
* $FreeBSD$
|
||||
*/
|
||||
|
||||
#ifndef _DEV_GXEMUL_ETHER_GXREG_H_
|
||||
#define _DEV_GXEMUL_ETHER_GXREG_H_
|
||||
|
||||
#define GXEMUL_ETHER_DEV_BASE (0x14000000)
|
||||
#define GXEMUL_ETHER_DEV_IRQ (3)
|
||||
|
||||
#define GXEMUL_ETHER_DEV_MTU (0x4000)
|
||||
|
||||
#define GXEMUL_ETHER_DEV_BUFFER (0x0000)
|
||||
#define GXEMUL_ETHER_DEV_STATUS (0x4000)
|
||||
#define GXEMUL_ETHER_DEV_LENGTH (0x4010)
|
||||
#define GXEMUL_ETHER_DEV_COMMAND (0x4020)
|
||||
#define GXEMUL_ETHER_DEV_MAC (0x4040)
|
||||
|
||||
#ifdef _LP64
|
||||
#define GXEMUL_ETHER_DEV_FUNCTION(f) \
|
||||
(volatile uint64_t *)MIPS_PHYS_TO_DIRECT_UNCACHED(GXEMUL_ETHER_DEV_BASE + (f))
|
||||
#define GXEMUL_ETHER_DEV_READ(f) \
|
||||
(volatile uint64_t)*GXEMUL_ETHER_DEV_FUNCTION(f)
|
||||
#else
|
||||
#define GXEMUL_ETHER_DEV_FUNCTION(f) \
|
||||
(volatile uint32_t *)MIPS_PHYS_TO_DIRECT_UNCACHED(GXEMUL_ETHER_DEV_BASE + (f))
|
||||
#define GXEMUL_ETHER_DEV_READ(f) \
|
||||
(volatile uint32_t)*GXEMUL_ETHER_DEV_FUNCTION(f)
|
||||
#endif
|
||||
#define GXEMUL_ETHER_DEV_WRITE(f, v) \
|
||||
*GXEMUL_ETHER_DEV_FUNCTION(f) = (v)
|
||||
|
||||
#define GXEMUL_ETHER_DEV_STATUS_RX_OK (0x01)
|
||||
#define GXEMUL_ETHER_DEV_STATUS_RX_MORE (0x02)
|
||||
|
||||
#define GXEMUL_ETHER_DEV_COMMAND_RX (0x00)
|
||||
#define GXEMUL_ETHER_DEV_COMMAND_TX (0x01)
|
||||
|
||||
#endif /* !_DEV_GXEMUL_ETHER_GXREG_H_ */
|
||||
@ -1,398 +0,0 @@
|
||||
/*-
|
||||
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
|
||||
*
|
||||
* Copyright (c) 2008-2012 Juli Mallett <jmallett@FreeBSD.org>
|
||||
* 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.
|
||||
*
|
||||
* $FreeBSD$
|
||||
*/
|
||||
|
||||
#include "opt_inet.h"
|
||||
|
||||
#include <sys/param.h>
|
||||
#include <sys/systm.h>
|
||||
#include <sys/bus.h>
|
||||
#include <sys/endian.h>
|
||||
#include <sys/kernel.h>
|
||||
#include <sys/mbuf.h>
|
||||
#include <sys/lock.h>
|
||||
#include <sys/module.h>
|
||||
#include <sys/mutex.h>
|
||||
#include <sys/rman.h>
|
||||
#include <sys/socket.h>
|
||||
#include <sys/sockio.h>
|
||||
#include <sys/sysctl.h>
|
||||
|
||||
#include <net/bpf.h>
|
||||
#include <net/ethernet.h>
|
||||
#include <net/if.h>
|
||||
#include <net/if_dl.h>
|
||||
#include <net/if_media.h>
|
||||
#include <net/if_types.h>
|
||||
#include <net/if_var.h>
|
||||
#include <net/if_vlan_var.h>
|
||||
|
||||
#ifdef INET
|
||||
#include <netinet/in.h>
|
||||
#include <netinet/if_ether.h>
|
||||
#endif
|
||||
|
||||
#include <machine/cpuregs.h>
|
||||
|
||||
#include <dev/gxemul/ether/gxreg.h>
|
||||
|
||||
struct gx_softc {
|
||||
struct ifnet *sc_ifp;
|
||||
device_t sc_dev;
|
||||
unsigned sc_port;
|
||||
int sc_flags;
|
||||
struct ifmedia sc_ifmedia;
|
||||
struct resource *sc_intr;
|
||||
void *sc_intr_cookie;
|
||||
struct mtx sc_mtx;
|
||||
};
|
||||
|
||||
#define GXEMUL_ETHER_LOCK(sc) mtx_lock(&(sc)->sc_mtx)
|
||||
#define GXEMUL_ETHER_UNLOCK(sc) mtx_unlock(&(sc)->sc_mtx)
|
||||
|
||||
static void gx_identify(driver_t *, device_t);
|
||||
static int gx_probe(device_t);
|
||||
static int gx_attach(device_t);
|
||||
static int gx_detach(device_t);
|
||||
static int gx_shutdown(device_t);
|
||||
|
||||
static void gx_init(void *);
|
||||
static int gx_transmit(struct ifnet *, struct mbuf *);
|
||||
|
||||
static int gx_medchange(struct ifnet *);
|
||||
static void gx_medstat(struct ifnet *, struct ifmediareq *);
|
||||
|
||||
static int gx_ioctl(struct ifnet *, u_long, caddr_t);
|
||||
|
||||
static void gx_rx_intr(void *);
|
||||
|
||||
static device_method_t gx_methods[] = {
|
||||
/* Device interface */
|
||||
DEVMETHOD(device_identify, gx_identify),
|
||||
DEVMETHOD(device_probe, gx_probe),
|
||||
DEVMETHOD(device_attach, gx_attach),
|
||||
DEVMETHOD(device_detach, gx_detach),
|
||||
DEVMETHOD(device_shutdown, gx_shutdown),
|
||||
|
||||
{ 0, 0 }
|
||||
};
|
||||
|
||||
static driver_t gx_driver = {
|
||||
"gx",
|
||||
gx_methods,
|
||||
sizeof (struct gx_softc),
|
||||
};
|
||||
|
||||
DRIVER_MODULE(gx, nexus, gx_driver, 0, 0);
|
||||
|
||||
static void
|
||||
gx_identify(driver_t *drv, device_t parent)
|
||||
{
|
||||
BUS_ADD_CHILD(parent, 0, "gx", 0);
|
||||
}
|
||||
|
||||
static int
|
||||
gx_probe(device_t dev)
|
||||
{
|
||||
if (device_get_unit(dev) != 0)
|
||||
return (ENXIO);
|
||||
|
||||
device_set_desc(dev, "GXemul test Ethernet");
|
||||
|
||||
return (BUS_PROBE_NOWILDCARD);
|
||||
}
|
||||
|
||||
static int
|
||||
gx_attach(device_t dev)
|
||||
{
|
||||
struct ifnet *ifp;
|
||||
struct gx_softc *sc;
|
||||
uint8_t mac[6];
|
||||
int error;
|
||||
int rid;
|
||||
|
||||
sc = device_get_softc(dev);
|
||||
sc->sc_dev = dev;
|
||||
sc->sc_port = device_get_unit(dev);
|
||||
|
||||
/* Read MAC address. */
|
||||
GXEMUL_ETHER_DEV_WRITE(GXEMUL_ETHER_DEV_MAC, (uintptr_t)mac);
|
||||
|
||||
/* Allocate and establish interrupt. */
|
||||
rid = 0;
|
||||
sc->sc_intr = bus_alloc_resource(sc->sc_dev, SYS_RES_IRQ, &rid,
|
||||
GXEMUL_ETHER_DEV_IRQ - 2, GXEMUL_ETHER_DEV_IRQ - 2, 1, RF_ACTIVE);
|
||||
if (sc->sc_intr == NULL) {
|
||||
device_printf(dev, "unable to allocate IRQ.\n");
|
||||
return (ENXIO);
|
||||
}
|
||||
|
||||
error = bus_setup_intr(sc->sc_dev, sc->sc_intr, INTR_TYPE_NET, NULL,
|
||||
gx_rx_intr, sc, &sc->sc_intr_cookie);
|
||||
if (error != 0) {
|
||||
device_printf(dev, "unable to setup interrupt.\n");
|
||||
bus_release_resource(dev, SYS_RES_IRQ, 0, sc->sc_intr);
|
||||
return (ENXIO);
|
||||
}
|
||||
|
||||
bus_describe_intr(sc->sc_dev, sc->sc_intr, sc->sc_intr_cookie, "rx");
|
||||
|
||||
ifp = if_alloc(IFT_ETHER);
|
||||
if (ifp == NULL) {
|
||||
device_printf(dev, "cannot allocate ifnet.\n");
|
||||
bus_release_resource(dev, SYS_RES_IRQ, 0, sc->sc_intr);
|
||||
return (ENOMEM);
|
||||
}
|
||||
|
||||
if_initname(ifp, device_get_name(dev), device_get_unit(dev));
|
||||
ifp->if_mtu = ETHERMTU;
|
||||
ifp->if_init = gx_init;
|
||||
ifp->if_softc = sc;
|
||||
ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST | IFF_ALLMULTI;
|
||||
ifp->if_ioctl = gx_ioctl;
|
||||
|
||||
sc->sc_ifp = ifp;
|
||||
sc->sc_flags = ifp->if_flags;
|
||||
|
||||
ifmedia_init(&sc->sc_ifmedia, 0, gx_medchange, gx_medstat);
|
||||
|
||||
ifmedia_add(&sc->sc_ifmedia, IFM_ETHER | IFM_AUTO, 0, NULL);
|
||||
ifmedia_set(&sc->sc_ifmedia, IFM_ETHER | IFM_AUTO);
|
||||
|
||||
mtx_init(&sc->sc_mtx, "GXemul Ethernet", NULL, MTX_DEF);
|
||||
|
||||
ether_ifattach(ifp, mac);
|
||||
|
||||
ifp->if_transmit = gx_transmit;
|
||||
|
||||
return (bus_generic_attach(dev));
|
||||
}
|
||||
|
||||
static int
|
||||
gx_detach(device_t dev)
|
||||
{
|
||||
struct gx_softc *sc;
|
||||
|
||||
sc = device_get_softc(dev);
|
||||
|
||||
bus_release_resource(dev, SYS_RES_IRQ, 0, sc->sc_intr);
|
||||
/* XXX Incomplete. */
|
||||
|
||||
return (0);
|
||||
}
|
||||
|
||||
static int
|
||||
gx_shutdown(device_t dev)
|
||||
{
|
||||
return (gx_detach(dev));
|
||||
}
|
||||
|
||||
static void
|
||||
gx_init(void *arg)
|
||||
{
|
||||
struct ifnet *ifp;
|
||||
struct gx_softc *sc;
|
||||
|
||||
sc = arg;
|
||||
ifp = sc->sc_ifp;
|
||||
|
||||
if ((ifp->if_drv_flags & IFF_DRV_RUNNING) != 0)
|
||||
ifp->if_drv_flags &= ~IFF_DRV_RUNNING;
|
||||
|
||||
ifp->if_drv_flags |= IFF_DRV_RUNNING;
|
||||
}
|
||||
|
||||
static int
|
||||
gx_transmit(struct ifnet *ifp, struct mbuf *m)
|
||||
{
|
||||
struct gx_softc *sc;
|
||||
|
||||
sc = ifp->if_softc;
|
||||
|
||||
if ((ifp->if_drv_flags & IFF_DRV_RUNNING) != IFF_DRV_RUNNING) {
|
||||
m_freem(m);
|
||||
return (0);
|
||||
}
|
||||
|
||||
GXEMUL_ETHER_LOCK(sc);
|
||||
GXEMUL_ETHER_DEV_WRITE(GXEMUL_ETHER_DEV_LENGTH, m->m_pkthdr.len);
|
||||
m_copydata(m, 0, m->m_pkthdr.len, (void *)(uintptr_t)GXEMUL_ETHER_DEV_FUNCTION(GXEMUL_ETHER_DEV_BUFFER));
|
||||
GXEMUL_ETHER_DEV_WRITE(GXEMUL_ETHER_DEV_COMMAND, GXEMUL_ETHER_DEV_COMMAND_TX);
|
||||
GXEMUL_ETHER_UNLOCK(sc);
|
||||
|
||||
ETHER_BPF_MTAP(ifp, m);
|
||||
|
||||
if_inc_counter(ifp, IFCOUNTER_OPACKETS, 1);
|
||||
if_inc_counter(ifp, IFCOUNTER_OBYTES, m->m_pkthdr.len);
|
||||
|
||||
m_freem(m);
|
||||
|
||||
return (0);
|
||||
}
|
||||
|
||||
static int
|
||||
gx_medchange(struct ifnet *ifp)
|
||||
{
|
||||
return (ENOTSUP);
|
||||
}
|
||||
|
||||
static void
|
||||
gx_medstat(struct ifnet *ifp, struct ifmediareq *ifm)
|
||||
{
|
||||
struct gx_softc *sc;
|
||||
|
||||
sc = ifp->if_softc;
|
||||
|
||||
/* Lie amazingly. */
|
||||
ifm->ifm_status = IFM_AVALID | IFM_ACTIVE;
|
||||
ifm->ifm_active = IFT_ETHER | IFM_1000_T | IFM_FDX;
|
||||
}
|
||||
|
||||
static int
|
||||
gx_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
|
||||
{
|
||||
struct gx_softc *sc;
|
||||
struct ifreq *ifr;
|
||||
#ifdef INET
|
||||
struct ifaddr *ifa;
|
||||
#endif
|
||||
int error;
|
||||
|
||||
sc = ifp->if_softc;
|
||||
ifr = (struct ifreq *)data;
|
||||
#ifdef INET
|
||||
ifa = (struct ifaddr *)data;
|
||||
#endif
|
||||
|
||||
switch (cmd) {
|
||||
case SIOCSIFADDR:
|
||||
#ifdef INET
|
||||
/*
|
||||
* Avoid reinitialization unless it's necessary.
|
||||
*/
|
||||
if (ifa->ifa_addr->sa_family == AF_INET) {
|
||||
ifp->if_flags |= IFF_UP;
|
||||
if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0)
|
||||
gx_init(sc);
|
||||
arp_ifinit(ifp, ifa);
|
||||
|
||||
return (0);
|
||||
}
|
||||
#endif
|
||||
error = ether_ioctl(ifp, cmd, data);
|
||||
if (error != 0)
|
||||
return (error);
|
||||
return (0);
|
||||
|
||||
case SIOCSIFFLAGS:
|
||||
if (ifp->if_flags == sc->sc_flags)
|
||||
return (0);
|
||||
if ((ifp->if_flags & IFF_UP) != 0) {
|
||||
gx_init(sc);
|
||||
} else {
|
||||
if ((ifp->if_drv_flags & IFF_DRV_RUNNING) != 0) {
|
||||
ifp->if_drv_flags &= ~IFF_DRV_RUNNING;
|
||||
}
|
||||
}
|
||||
sc->sc_flags = ifp->if_flags;
|
||||
return (0);
|
||||
|
||||
case SIOCSIFMTU:
|
||||
if (ifr->ifr_mtu + ifp->if_hdrlen > GXEMUL_ETHER_DEV_MTU)
|
||||
return (ENOTSUP);
|
||||
return (0);
|
||||
|
||||
case SIOCSIFMEDIA:
|
||||
case SIOCGIFMEDIA:
|
||||
error = ifmedia_ioctl(ifp, ifr, &sc->sc_ifmedia, cmd);
|
||||
if (error != 0)
|
||||
return (error);
|
||||
return (0);
|
||||
|
||||
default:
|
||||
error = ether_ioctl(ifp, cmd, data);
|
||||
if (error != 0)
|
||||
return (error);
|
||||
return (0);
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
gx_rx_intr(void *arg)
|
||||
{
|
||||
struct gx_softc *sc = arg;
|
||||
|
||||
GXEMUL_ETHER_LOCK(sc);
|
||||
for (;;) {
|
||||
uint64_t status, length;
|
||||
struct mbuf *m;
|
||||
|
||||
/*
|
||||
* XXX
|
||||
* Limit number of packets received at once?
|
||||
*/
|
||||
status = GXEMUL_ETHER_DEV_READ(GXEMUL_ETHER_DEV_STATUS);
|
||||
if (status == GXEMUL_ETHER_DEV_STATUS_RX_MORE) {
|
||||
GXEMUL_ETHER_DEV_WRITE(GXEMUL_ETHER_DEV_COMMAND, GXEMUL_ETHER_DEV_COMMAND_RX);
|
||||
continue;
|
||||
}
|
||||
if (status != GXEMUL_ETHER_DEV_STATUS_RX_OK)
|
||||
break;
|
||||
length = GXEMUL_ETHER_DEV_READ(GXEMUL_ETHER_DEV_LENGTH);
|
||||
if (length > MCLBYTES - ETHER_ALIGN) {
|
||||
if_inc_counter(sc->sc_ifp, IFCOUNTER_IERRORS, 1);
|
||||
continue;
|
||||
}
|
||||
|
||||
m = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR);
|
||||
if (m == NULL) {
|
||||
device_printf(sc->sc_dev, "no memory for receive mbuf.\n");
|
||||
if_inc_counter(sc->sc_ifp, IFCOUNTER_IQDROPS, 1);
|
||||
GXEMUL_ETHER_UNLOCK(sc);
|
||||
return;
|
||||
}
|
||||
|
||||
/* Align incoming frame so IP headers are aligned. */
|
||||
m->m_data += ETHER_ALIGN;
|
||||
|
||||
memcpy(m->m_data, (const void *)(uintptr_t)GXEMUL_ETHER_DEV_FUNCTION(GXEMUL_ETHER_DEV_BUFFER), length);
|
||||
|
||||
m->m_pkthdr.rcvif = sc->sc_ifp;
|
||||
m->m_pkthdr.len = m->m_len = length;
|
||||
|
||||
if_inc_counter(sc->sc_ifp, IFCOUNTER_IPACKETS, 1);
|
||||
|
||||
GXEMUL_ETHER_UNLOCK(sc);
|
||||
|
||||
(*sc->sc_ifp->if_input)(sc->sc_ifp, m);
|
||||
|
||||
GXEMUL_ETHER_LOCK(sc);
|
||||
}
|
||||
GXEMUL_ETHER_UNLOCK(sc);
|
||||
}
|
||||
@ -1,21 +0,0 @@
|
||||
# Doxyfile 1.5.2
|
||||
|
||||
# $FreeBSD$
|
||||
|
||||
#---------------------------------------------------------------------------
|
||||
# Project related configuration options
|
||||
#---------------------------------------------------------------------------
|
||||
PROJECT_NAME = "FreeBSD kernel gxemul device code"
|
||||
OUTPUT_DIRECTORY = $(DOXYGEN_DEST_PATH)/dev_gxemul/
|
||||
EXTRACT_ALL = YES # for undocumented src, no warnings enabled
|
||||
#---------------------------------------------------------------------------
|
||||
# configuration options related to the input files
|
||||
#---------------------------------------------------------------------------
|
||||
INPUT = $(DOXYGEN_SRC_PATH)/dev/gxemul/ \
|
||||
$(NOTREVIEWED)
|
||||
|
||||
GENERATE_TAGFILE = dev_gxemul/dev_gxemul.tag
|
||||
|
||||
@INCLUDE_PATH = $(DOXYGEN_INCLUDE_PATH)
|
||||
@INCLUDE = common-Doxyfile
|
||||
|
||||
Loading…
Reference in New Issue
Block a user