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/*-
* Copyright 2009 Solarflare Communications Inc. 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: release/9.1.0/sys/dev/sfxge/common/efx_nvram.c 228100 2011-11-28 20:28:23Z philip $");
#include "efsys.h"
#include "efx.h"
#include "efx_types.h"
#include "efx_regs.h"
#include "efx_impl.h"
#if EFSYS_OPT_NVRAM
#if EFSYS_OPT_FALCON
static efx_nvram_ops_t __cs __efx_nvram_falcon_ops = {
#if EFSYS_OPT_DIAG
falcon_nvram_test, /* envo_test */
#endif /* EFSYS_OPT_DIAG */
falcon_nvram_size, /* envo_size */
falcon_nvram_get_version, /* envo_get_version */
falcon_nvram_rw_start, /* envo_rw_start */
falcon_nvram_read_chunk, /* envo_read_chunk */
falcon_nvram_erase, /* envo_erase */
falcon_nvram_write_chunk, /* envo_write_chunk */
falcon_nvram_rw_finish, /* envo_rw_finish */
falcon_nvram_set_version, /* envo_set_version */
};
#endif /* EFSYS_OPT_FALCON */
#if EFSYS_OPT_SIENA
static efx_nvram_ops_t __cs __efx_nvram_siena_ops = {
#if EFSYS_OPT_DIAG
siena_nvram_test, /* envo_test */
#endif /* EFSYS_OPT_DIAG */
siena_nvram_size, /* envo_size */
siena_nvram_get_version, /* envo_get_version */
siena_nvram_rw_start, /* envo_rw_start */
siena_nvram_read_chunk, /* envo_read_chunk */
siena_nvram_erase, /* envo_erase */
siena_nvram_write_chunk, /* envo_write_chunk */
siena_nvram_rw_finish, /* envo_rw_finish */
siena_nvram_set_version, /* envo_set_version */
};
#endif /* EFSYS_OPT_SIENA */
__checkReturn int
efx_nvram_init(
__in efx_nic_t *enp)
{
efx_nvram_ops_t *envop;
int rc;
EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PROBE);
EFSYS_ASSERT(!(enp->en_mod_flags & EFX_MOD_NVRAM));
switch (enp->en_family) {
#if EFSYS_OPT_FALCON
case EFX_FAMILY_FALCON:
envop = (efx_nvram_ops_t *)&__efx_nvram_falcon_ops;
break;
#endif /* EFSYS_OPT_FALCON */
#if EFSYS_OPT_SIENA
case EFX_FAMILY_SIENA:
envop = (efx_nvram_ops_t *)&__efx_nvram_siena_ops;
break;
#endif /* EFSYS_OPT_SIENA */
default:
EFSYS_ASSERT(0);
rc = ENOTSUP;
goto fail1;
}
enp->en_envop = envop;
enp->en_mod_flags |= EFX_MOD_NVRAM;
return (0);
fail1:
EFSYS_PROBE1(fail1, int, rc);
return (rc);
}
#if EFSYS_OPT_DIAG
__checkReturn int
efx_nvram_test(
__in efx_nic_t *enp)
{
efx_nvram_ops_t *envop = enp->en_envop;
int rc;
EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_NVRAM);
if ((rc = envop->envo_test(enp)) != 0)
goto fail1;
return (0);
fail1:
EFSYS_PROBE1(fail1, int, rc);
return (rc);
}
#endif /* EFSYS_OPT_DIAG */
__checkReturn int
efx_nvram_size(
__in efx_nic_t *enp,
__in efx_nvram_type_t type,
__out size_t *sizep)
{
efx_nvram_ops_t *envop = enp->en_envop;
int rc;
EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_NVRAM);
EFSYS_ASSERT3U(type, <, EFX_NVRAM_NTYPES);
if ((rc = envop->envo_size(enp, type, sizep)) != 0)
goto fail1;
return (0);
fail1:
EFSYS_PROBE1(fail1, int, rc);
return (rc);
}
__checkReturn int
efx_nvram_get_version(
__in efx_nic_t *enp,
__in efx_nvram_type_t type,
__out uint32_t *subtypep,
__out_ecount(4) uint16_t version[4])
{
efx_nvram_ops_t *envop = enp->en_envop;
int rc;
EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PROBE);
EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_NVRAM);
EFSYS_ASSERT3U(type, <, EFX_NVRAM_NTYPES);
if ((rc = envop->envo_get_version(enp, type, subtypep, version)) != 0)
goto fail1;
return (0);
fail1:
EFSYS_PROBE1(fail1, int, rc);
return (rc);
}
__checkReturn int
efx_nvram_rw_start(
__in efx_nic_t *enp,
__in efx_nvram_type_t type,
__out_opt size_t *chunk_sizep)
{
efx_nvram_ops_t *envop = enp->en_envop;
int rc;
EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_NVRAM);
EFSYS_ASSERT3U(type, <, EFX_NVRAM_NTYPES);
EFSYS_ASSERT3U(type, !=, EFX_NVRAM_INVALID);
EFSYS_ASSERT3U(enp->en_nvram_locked, ==, EFX_NVRAM_INVALID);
if ((rc = envop->envo_rw_start(enp, type, chunk_sizep)) != 0)
goto fail1;
enp->en_nvram_locked = type;
return (0);
fail1:
EFSYS_PROBE1(fail1, int, rc);
return (rc);
}
__checkReturn int
efx_nvram_read_chunk(
__in efx_nic_t *enp,
__in efx_nvram_type_t type,
__in unsigned int offset,
__out_bcount(size) caddr_t data,
__in size_t size)
{
efx_nvram_ops_t *envop = enp->en_envop;
int rc;
EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_NVRAM);
EFSYS_ASSERT3U(type, <, EFX_NVRAM_NTYPES);
EFSYS_ASSERT3U(type, !=, EFX_NVRAM_INVALID);
EFSYS_ASSERT3U(enp->en_nvram_locked, ==, type);
if ((rc = envop->envo_read_chunk(enp, type, offset, data, size)) != 0)
goto fail1;
return (0);
fail1:
EFSYS_PROBE1(fail1, int, rc);
return (rc);
}
__checkReturn int
efx_nvram_erase(
__in efx_nic_t *enp,
__in efx_nvram_type_t type)
{
efx_nvram_ops_t *envop = enp->en_envop;
int rc;
EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_NVRAM);
EFSYS_ASSERT3U(type, <, EFX_NVRAM_NTYPES);
EFSYS_ASSERT3U(type, !=, EFX_NVRAM_INVALID);
EFSYS_ASSERT3U(enp->en_nvram_locked, ==, type);
if ((rc = envop->envo_erase(enp, type)) != 0)
goto fail1;
return (0);
fail1:
EFSYS_PROBE1(fail1, int, rc);
return (rc);
}
__checkReturn int
efx_nvram_write_chunk(
__in efx_nic_t *enp,
__in efx_nvram_type_t type,
__in unsigned int offset,
__in_bcount(size) caddr_t data,
__in size_t size)
{
efx_nvram_ops_t *envop = enp->en_envop;
int rc;
EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_NVRAM);
EFSYS_ASSERT3U(type, <, EFX_NVRAM_NTYPES);
EFSYS_ASSERT3U(type, !=, EFX_NVRAM_INVALID);
EFSYS_ASSERT3U(enp->en_nvram_locked, ==, type);
if ((rc = envop->envo_write_chunk(enp, type, offset, data, size)) != 0)
goto fail1;
return (0);
fail1:
EFSYS_PROBE1(fail1, int, rc);
return (rc);
}
void
efx_nvram_rw_finish(
__in efx_nic_t *enp,
__in efx_nvram_type_t type)
{
efx_nvram_ops_t *envop = enp->en_envop;
EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_NVRAM);
EFSYS_ASSERT3U(type, <, EFX_NVRAM_NTYPES);
EFSYS_ASSERT3U(type, !=, EFX_NVRAM_INVALID);
EFSYS_ASSERT3U(enp->en_nvram_locked, ==, type);
envop->envo_rw_finish(enp, type);
enp->en_nvram_locked = EFX_NVRAM_INVALID;
}
__checkReturn int
efx_nvram_set_version(
__in efx_nic_t *enp,
__in efx_nvram_type_t type,
__out uint16_t version[4])
{
efx_nvram_ops_t *envop = enp->en_envop;
int rc;
EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PROBE);
EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_NVRAM);
EFSYS_ASSERT3U(type, <, EFX_NVRAM_NTYPES);
/*
* The Siena implementation of envo_set_version() will attempt to
* acquire the NVRAM_UPDATE lock for the DYNAMIC_CONFIG sector.
* Therefore, you can't have already acquired the NVRAM_UPDATE lock.
*/
EFSYS_ASSERT3U(enp->en_nvram_locked, ==, EFX_NVRAM_INVALID);
if ((rc = envop->envo_set_version(enp, type, version)) != 0)
goto fail1;
return (0);
fail1:
EFSYS_PROBE1(fail1, int, rc);
return (rc);
}
void
efx_nvram_fini(
__in efx_nic_t *enp)
{
EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PROBE);
EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_NVRAM);
EFSYS_ASSERT3U(enp->en_nvram_locked, ==, EFX_NVRAM_INVALID);
enp->en_envop = NULL;
enp->en_mod_flags &= ~EFX_MOD_NVRAM;
}
#endif /* EFSYS_OPT_NVRAM */