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freebsd-skq/sys/dev/sfxge/common/efx_nvram.c
arybchik e6feb41fb0 sfxge: select whether to read current or backup partition in Medford A/B scheme 
The dynamic config on Medford is stored using two partitions in flash, and at
any time one is the 'current' partition, used to provide the active config,
and the other 'backup' partition is used for writes.  This means that there
are two potential partitions that can be used to service reads, and which is
required can depend on, for example, whether the read is to get the current
contents or to verify a write.

When the partition write lock is held, the default behaviour is to read from
the backup partition, which was wrong for most reads in the common code which
require the current partition. This change allows the current partition to be
read whilst the write lock is held.
There is one read in Manftest which needs the backup partition.

ef10_nvram_partn_read_mode() is created to avoid changing
ef10_nvram_partn_read() which shares a prototype with the equivalent Falcon
and Siena methods.

MC_CMD_NVRAM_READ_IN_V2 adds an extra field, but firmware which doesn't support
it just ignores it.

Submitted by:   Mark Spender <mspender at solarflare.com>
Sponsored by:   Solarflare Communications, Inc.
MFC after:      2 days
Differential Revision: https://reviews.freebsd.org/D4974
2016-01-19 06:03:44 +00:00

969 lines
22 KiB
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/*-
* Copyright (c) 2009-2015 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 COPYRIGHT HOLDERS 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 COPYRIGHT OWNER 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.
*
* The views and conclusions contained in the software and documentation are
* those of the authors and should not be interpreted as representing official
* policies, either expressed or implied, of the FreeBSD Project.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include "efx.h"
#include "efx_impl.h"
#if EFSYS_OPT_NVRAM
#if EFSYS_OPT_FALCON
static efx_nvram_ops_t __efx_nvram_falcon_ops = {
#if EFSYS_OPT_DIAG
falcon_nvram_test, /* envo_test */
#endif /* EFSYS_OPT_DIAG */
falcon_nvram_type_to_partn, /* envo_type_to_partn */
falcon_nvram_partn_size, /* envo_partn_size */
falcon_nvram_partn_rw_start, /* envo_partn_rw_start */
falcon_nvram_partn_read, /* envo_partn_read */
falcon_nvram_partn_erase, /* envo_partn_erase */
falcon_nvram_partn_write, /* envo_partn_write */
falcon_nvram_partn_rw_finish, /* envo_partn_rw_finish */
falcon_nvram_partn_get_version, /* envo_partn_get_version */
falcon_nvram_partn_set_version, /* envo_partn_set_version */
};
#endif /* EFSYS_OPT_FALCON */
#if EFSYS_OPT_SIENA
static efx_nvram_ops_t __efx_nvram_siena_ops = {
#if EFSYS_OPT_DIAG
siena_nvram_test, /* envo_test */
#endif /* EFSYS_OPT_DIAG */
siena_nvram_type_to_partn, /* envo_type_to_partn */
siena_nvram_partn_size, /* envo_partn_size */
siena_nvram_partn_rw_start, /* envo_partn_rw_start */
siena_nvram_partn_read, /* envo_partn_read */
siena_nvram_partn_erase, /* envo_partn_erase */
siena_nvram_partn_write, /* envo_partn_write */
siena_nvram_partn_rw_finish, /* envo_partn_rw_finish */
siena_nvram_partn_get_version, /* envo_partn_get_version */
siena_nvram_partn_set_version, /* envo_partn_set_version */
};
#endif /* EFSYS_OPT_SIENA */
#if EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD
static efx_nvram_ops_t __efx_nvram_ef10_ops = {
#if EFSYS_OPT_DIAG
ef10_nvram_test, /* envo_test */
#endif /* EFSYS_OPT_DIAG */
ef10_nvram_type_to_partn, /* envo_type_to_partn */
ef10_nvram_partn_size, /* envo_partn_size */
ef10_nvram_partn_rw_start, /* envo_partn_rw_start */
ef10_nvram_partn_read, /* envo_partn_read */
ef10_nvram_partn_erase, /* envo_partn_erase */
ef10_nvram_partn_write, /* envo_partn_write */
ef10_nvram_partn_rw_finish, /* envo_partn_rw_finish */
ef10_nvram_partn_get_version, /* envo_partn_get_version */
ef10_nvram_partn_set_version, /* envo_partn_set_version */
};
#endif /* EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD */
__checkReturn efx_rc_t
efx_nvram_init(
__in efx_nic_t *enp)
{
efx_nvram_ops_t *envop;
efx_rc_t 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 */
#if EFSYS_OPT_HUNTINGTON
case EFX_FAMILY_HUNTINGTON:
envop = (efx_nvram_ops_t *)&__efx_nvram_ef10_ops;
break;
#endif /* EFSYS_OPT_HUNTINGTON */
#if EFSYS_OPT_MEDFORD
case EFX_FAMILY_MEDFORD:
envop = (efx_nvram_ops_t *)&__efx_nvram_ef10_ops;
break;
#endif /* EFSYS_OPT_MEDFORD */
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, efx_rc_t, rc);
return (rc);
}
#if EFSYS_OPT_DIAG
__checkReturn efx_rc_t
efx_nvram_test(
__in efx_nic_t *enp)
{
efx_nvram_ops_t *envop = enp->en_envop;
efx_rc_t 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, efx_rc_t, rc);
return (rc);
}
#endif /* EFSYS_OPT_DIAG */
__checkReturn efx_rc_t
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;
uint32_t partn;
efx_rc_t 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_type_to_partn(enp, type, &partn)) != 0)
goto fail1;
if ((rc = envop->envo_partn_size(enp, partn, sizep)) != 0)
goto fail2;
return (0);
fail2:
EFSYS_PROBE(fail2);
fail1:
EFSYS_PROBE1(fail1, efx_rc_t, rc);
*sizep = 0;
return (rc);
}
__checkReturn efx_rc_t
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;
uint32_t partn;
efx_rc_t 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_type_to_partn(enp, type, &partn)) != 0)
goto fail1;
if ((rc = envop->envo_partn_get_version(enp, partn,
subtypep, version)) != 0)
goto fail2;
return (0);
fail2:
EFSYS_PROBE(fail2);
fail1:
EFSYS_PROBE1(fail1, efx_rc_t, rc);
return (rc);
}
__checkReturn efx_rc_t
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;
uint32_t partn;
efx_rc_t 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_type_to_partn(enp, type, &partn)) != 0)
goto fail1;
if ((rc = envop->envo_partn_rw_start(enp, partn, chunk_sizep)) != 0)
goto fail2;
enp->en_nvram_locked = type;
return (0);
fail2:
EFSYS_PROBE(fail2);
fail1:
EFSYS_PROBE1(fail1, efx_rc_t, rc);
return (rc);
}
__checkReturn efx_rc_t
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;
uint32_t partn;
efx_rc_t 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_type_to_partn(enp, type, &partn)) != 0)
goto fail1;
if ((rc = envop->envo_partn_read(enp, partn, offset, data, size)) != 0)
goto fail2;
return (0);
fail2:
EFSYS_PROBE(fail2);
fail1:
EFSYS_PROBE1(fail1, efx_rc_t, rc);
return (rc);
}
__checkReturn efx_rc_t
efx_nvram_erase(
__in efx_nic_t *enp,
__in efx_nvram_type_t type)
{
efx_nvram_ops_t *envop = enp->en_envop;
unsigned int offset = 0;
size_t size = 0;
uint32_t partn;
efx_rc_t 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_type_to_partn(enp, type, &partn)) != 0)
goto fail1;
if ((rc = envop->envo_partn_size(enp, partn, &size)) != 0)
goto fail2;
if ((rc = envop->envo_partn_erase(enp, partn, offset, size)) != 0)
goto fail3;
return (0);
fail3:
EFSYS_PROBE(fail3);
fail2:
EFSYS_PROBE(fail2);
fail1:
EFSYS_PROBE1(fail1, efx_rc_t, rc);
return (rc);
}
__checkReturn efx_rc_t
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;
uint32_t partn;
efx_rc_t 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_type_to_partn(enp, type, &partn)) != 0)
goto fail1;
if ((rc = envop->envo_partn_write(enp, partn, offset, data, size)) != 0)
goto fail2;
return (0);
fail2:
EFSYS_PROBE(fail2);
fail1:
EFSYS_PROBE1(fail1, efx_rc_t, 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;
uint32_t partn;
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 (envop->envo_type_to_partn(enp, type, &partn) == 0)
envop->envo_partn_rw_finish(enp, partn);
enp->en_nvram_locked = EFX_NVRAM_INVALID;
}
__checkReturn efx_rc_t
efx_nvram_set_version(
__in efx_nic_t *enp,
__in efx_nvram_type_t type,
__in_ecount(4) uint16_t version[4])
{
efx_nvram_ops_t *envop = enp->en_envop;
uint32_t partn;
efx_rc_t 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_type_to_partn(enp, type, &partn)) != 0)
goto fail1;
if ((rc = envop->envo_partn_set_version(enp, partn, version)) != 0)
goto fail2;
return (0);
fail2:
EFSYS_PROBE(fail2);
fail1:
EFSYS_PROBE1(fail1, efx_rc_t, 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 */
#if EFSYS_OPT_NVRAM || EFSYS_OPT_VPD
/*
* Internal MCDI request handling
*/
__checkReturn efx_rc_t
efx_mcdi_nvram_partitions(
__in efx_nic_t *enp,
__out_bcount(size) caddr_t data,
__in size_t size,
__out unsigned int *npartnp)
{
efx_mcdi_req_t req;
uint8_t payload[MAX(MC_CMD_NVRAM_PARTITIONS_IN_LEN,
MC_CMD_NVRAM_PARTITIONS_OUT_LENMAX)];
unsigned int npartn;
efx_rc_t rc;
(void) memset(payload, 0, sizeof (payload));
req.emr_cmd = MC_CMD_NVRAM_PARTITIONS;
req.emr_in_buf = payload;
req.emr_in_length = MC_CMD_NVRAM_PARTITIONS_IN_LEN;
req.emr_out_buf = payload;
req.emr_out_length = MC_CMD_NVRAM_PARTITIONS_OUT_LENMAX;
efx_mcdi_execute(enp, &req);
if (req.emr_rc != 0) {
rc = req.emr_rc;
goto fail1;
}
if (req.emr_out_length_used < MC_CMD_NVRAM_PARTITIONS_OUT_LENMIN) {
rc = EMSGSIZE;
goto fail2;
}
npartn = MCDI_OUT_DWORD(req, NVRAM_PARTITIONS_OUT_NUM_PARTITIONS);
if (req.emr_out_length_used < MC_CMD_NVRAM_PARTITIONS_OUT_LEN(npartn)) {
rc = ENOENT;
goto fail3;
}
if (size < npartn * sizeof (uint32_t)) {
rc = ENOSPC;
goto fail3;
}
*npartnp = npartn;
memcpy(data,
MCDI_OUT2(req, uint32_t, NVRAM_PARTITIONS_OUT_TYPE_ID),
(npartn * sizeof (uint32_t)));
return (0);
fail3:
EFSYS_PROBE(fail3);
fail2:
EFSYS_PROBE(fail2);
fail1:
EFSYS_PROBE1(fail1, efx_rc_t, rc);
return (rc);
}
__checkReturn efx_rc_t
efx_mcdi_nvram_metadata(
__in efx_nic_t *enp,
__in uint32_t partn,
__out uint32_t *subtypep,
__out_ecount(4) uint16_t version[4],
__out_bcount_opt(size) char *descp,
__in size_t size)
{
efx_mcdi_req_t req;
uint8_t payload[MAX(MC_CMD_NVRAM_METADATA_IN_LEN,
MC_CMD_NVRAM_METADATA_OUT_LENMAX)];
efx_rc_t rc;
(void) memset(payload, 0, sizeof (payload));
req.emr_cmd = MC_CMD_NVRAM_METADATA;
req.emr_in_buf = payload;
req.emr_in_length = MC_CMD_NVRAM_METADATA_IN_LEN;
req.emr_out_buf = payload;
req.emr_out_length = MC_CMD_NVRAM_METADATA_OUT_LENMAX;
MCDI_IN_SET_DWORD(req, NVRAM_METADATA_IN_TYPE, partn);
efx_mcdi_execute(enp, &req);
if (req.emr_rc != 0) {
rc = req.emr_rc;
goto fail1;
}
if (req.emr_out_length_used < MC_CMD_NVRAM_METADATA_OUT_LENMIN) {
rc = EMSGSIZE;
goto fail2;
}
if (MCDI_OUT_DWORD_FIELD(req, NVRAM_METADATA_OUT_FLAGS,
NVRAM_METADATA_OUT_SUBTYPE_VALID)) {
*subtypep = MCDI_OUT_DWORD(req, NVRAM_METADATA_OUT_SUBTYPE);
} else {
*subtypep = 0;
}
if (MCDI_OUT_DWORD_FIELD(req, NVRAM_METADATA_OUT_FLAGS,
NVRAM_METADATA_OUT_VERSION_VALID)) {
version[0] = MCDI_OUT_WORD(req, NVRAM_METADATA_OUT_VERSION_W);
version[1] = MCDI_OUT_WORD(req, NVRAM_METADATA_OUT_VERSION_X);
version[2] = MCDI_OUT_WORD(req, NVRAM_METADATA_OUT_VERSION_Y);
version[3] = MCDI_OUT_WORD(req, NVRAM_METADATA_OUT_VERSION_Z);
} else {
version[0] = version[1] = version[2] = version[3] = 0;
}
if (MCDI_OUT_DWORD_FIELD(req, NVRAM_METADATA_OUT_FLAGS,
NVRAM_METADATA_OUT_DESCRIPTION_VALID)) {
/* Return optional descrition string */
if ((descp != NULL) && (size > 0)) {
size_t desclen;
descp[0] = '\0';
desclen = (req.emr_out_length_used
- MC_CMD_NVRAM_METADATA_OUT_LEN(0));
EFSYS_ASSERT3U(desclen, <=,
MC_CMD_NVRAM_METADATA_OUT_DESCRIPTION_MAXNUM);
if (size < desclen) {
rc = ENOSPC;
goto fail3;
}
memcpy(descp, MCDI_OUT2(req, char,
NVRAM_METADATA_OUT_DESCRIPTION),
desclen);
/* Ensure string is NUL terminated */
descp[desclen] = '\0';
}
}
return (0);
fail3:
EFSYS_PROBE(fail3);
fail2:
EFSYS_PROBE(fail2);
fail1:
EFSYS_PROBE1(fail1, efx_rc_t, rc);
return (rc);
}
__checkReturn efx_rc_t
efx_mcdi_nvram_info(
__in efx_nic_t *enp,
__in uint32_t partn,
__out_opt size_t *sizep,
__out_opt uint32_t *addressp,
__out_opt uint32_t *erase_sizep,
__out_opt uint32_t *write_sizep)
{
uint8_t payload[MAX(MC_CMD_NVRAM_INFO_IN_LEN,
MC_CMD_NVRAM_INFO_V2_OUT_LEN)];
efx_mcdi_req_t req;
efx_rc_t rc;
(void) memset(payload, 0, sizeof (payload));
req.emr_cmd = MC_CMD_NVRAM_INFO;
req.emr_in_buf = payload;
req.emr_in_length = MC_CMD_NVRAM_INFO_IN_LEN;
req.emr_out_buf = payload;
req.emr_out_length = MC_CMD_NVRAM_INFO_V2_OUT_LEN;
MCDI_IN_SET_DWORD(req, NVRAM_INFO_IN_TYPE, partn);
efx_mcdi_execute_quiet(enp, &req);
if (req.emr_rc != 0) {
rc = req.emr_rc;
goto fail1;
}
if (req.emr_out_length_used < MC_CMD_NVRAM_INFO_OUT_LEN) {
rc = EMSGSIZE;
goto fail2;
}
if (sizep)
*sizep = MCDI_OUT_DWORD(req, NVRAM_INFO_OUT_SIZE);
if (addressp)
*addressp = MCDI_OUT_DWORD(req, NVRAM_INFO_OUT_PHYSADDR);
if (erase_sizep)
*erase_sizep = MCDI_OUT_DWORD(req, NVRAM_INFO_OUT_ERASESIZE);
if (write_sizep) {
*write_sizep =
(req.emr_out_length_used <
MC_CMD_NVRAM_INFO_V2_OUT_LEN) ?
0 : MCDI_OUT_DWORD(req, NVRAM_INFO_V2_OUT_WRITESIZE);
}
return (0);
fail2:
EFSYS_PROBE(fail2);
fail1:
EFSYS_PROBE1(fail1, efx_rc_t, rc);
return (rc);
}
__checkReturn efx_rc_t
efx_mcdi_nvram_update_start(
__in efx_nic_t *enp,
__in uint32_t partn)
{
uint8_t payload[MAX(MC_CMD_NVRAM_UPDATE_START_IN_LEN,
MC_CMD_NVRAM_UPDATE_START_OUT_LEN)];
efx_mcdi_req_t req;
efx_rc_t rc;
(void) memset(payload, 0, sizeof (payload));
req.emr_cmd = MC_CMD_NVRAM_UPDATE_START;
req.emr_in_buf = payload;
req.emr_in_length = MC_CMD_NVRAM_UPDATE_START_IN_LEN;
req.emr_out_buf = payload;
req.emr_out_length = MC_CMD_NVRAM_UPDATE_START_OUT_LEN;
MCDI_IN_SET_DWORD(req, NVRAM_UPDATE_START_IN_TYPE, partn);
efx_mcdi_execute(enp, &req);
if (req.emr_rc != 0) {
rc = req.emr_rc;
goto fail1;
}
return (0);
fail1:
EFSYS_PROBE1(fail1, efx_rc_t, rc);
return (rc);
}
__checkReturn efx_rc_t
efx_mcdi_nvram_read(
__in efx_nic_t *enp,
__in uint32_t partn,
__in uint32_t offset,
__out_bcount(size) caddr_t data,
__in size_t size,
__in uint32_t mode)
{
efx_mcdi_req_t req;
uint8_t payload[MAX(MC_CMD_NVRAM_READ_IN_V2_LEN,
MC_CMD_NVRAM_READ_OUT_LENMAX)];
efx_rc_t rc;
if (size > MC_CMD_NVRAM_READ_OUT_LENMAX) {
rc = EINVAL;
goto fail1;
}
(void) memset(payload, 0, sizeof (payload));
req.emr_cmd = MC_CMD_NVRAM_READ;
req.emr_in_buf = payload;
req.emr_in_length = MC_CMD_NVRAM_READ_IN_V2_LEN;
req.emr_out_buf = payload;
req.emr_out_length = MC_CMD_NVRAM_READ_OUT_LENMAX;
MCDI_IN_SET_DWORD(req, NVRAM_READ_IN_V2_TYPE, partn);
MCDI_IN_SET_DWORD(req, NVRAM_READ_IN_V2_OFFSET, offset);
MCDI_IN_SET_DWORD(req, NVRAM_READ_IN_V2_LENGTH, size);
MCDI_IN_SET_DWORD(req, NVRAM_READ_IN_V2_MODE, mode);
efx_mcdi_execute(enp, &req);
if (req.emr_rc != 0) {
rc = req.emr_rc;
goto fail1;
}
if (req.emr_out_length_used < MC_CMD_NVRAM_READ_OUT_LEN(size)) {
rc = EMSGSIZE;
goto fail2;
}
memcpy(data,
MCDI_OUT2(req, uint8_t, NVRAM_READ_OUT_READ_BUFFER),
size);
return (0);
fail2:
EFSYS_PROBE(fail2);
fail1:
EFSYS_PROBE1(fail1, efx_rc_t, rc);
return (rc);
}
__checkReturn efx_rc_t
efx_mcdi_nvram_erase(
__in efx_nic_t *enp,
__in uint32_t partn,
__in uint32_t offset,
__in size_t size)
{
efx_mcdi_req_t req;
uint8_t payload[MAX(MC_CMD_NVRAM_ERASE_IN_LEN,
MC_CMD_NVRAM_ERASE_OUT_LEN)];
efx_rc_t rc;
(void) memset(payload, 0, sizeof (payload));
req.emr_cmd = MC_CMD_NVRAM_ERASE;
req.emr_in_buf = payload;
req.emr_in_length = MC_CMD_NVRAM_ERASE_IN_LEN;
req.emr_out_buf = payload;
req.emr_out_length = MC_CMD_NVRAM_ERASE_OUT_LEN;
MCDI_IN_SET_DWORD(req, NVRAM_ERASE_IN_TYPE, partn);
MCDI_IN_SET_DWORD(req, NVRAM_ERASE_IN_OFFSET, offset);
MCDI_IN_SET_DWORD(req, NVRAM_ERASE_IN_LENGTH, size);
efx_mcdi_execute(enp, &req);
if (req.emr_rc != 0) {
rc = req.emr_rc;
goto fail1;
}
return (0);
fail1:
EFSYS_PROBE1(fail1, efx_rc_t, rc);
return (rc);
}
/*
* The NVRAM_WRITE MCDI command is a V1 command and so is supported by both
* Sienna and EF10 based boards. However EF10 based boards support the use
* of this command with payloads up to the maximum MCDI V2 payload length.
*/
__checkReturn efx_rc_t
efx_mcdi_nvram_write(
__in efx_nic_t *enp,
__in uint32_t partn,
__in uint32_t offset,
__out_bcount(size) caddr_t data,
__in size_t size)
{
efx_mcdi_req_t req;
uint8_t payload[MAX(MCDI_CTL_SDU_LEN_MAX_V1,
MCDI_CTL_SDU_LEN_MAX_V2)];
efx_rc_t rc;
size_t max_data_size;
max_data_size = enp->en_nic_cfg.enc_mcdi_max_payload_length
- MC_CMD_NVRAM_WRITE_IN_LEN(0);
EFSYS_ASSERT3U(enp->en_nic_cfg.enc_mcdi_max_payload_length, >, 0);
EFSYS_ASSERT3U(max_data_size, <,
enp->en_nic_cfg.enc_mcdi_max_payload_length);
if (size > max_data_size) {
rc = EINVAL;
goto fail1;
}
(void) memset(payload, 0, sizeof (payload));
req.emr_cmd = MC_CMD_NVRAM_WRITE;
req.emr_in_buf = payload;
req.emr_in_length = MC_CMD_NVRAM_WRITE_IN_LEN(size);
req.emr_out_buf = payload;
req.emr_out_length = MC_CMD_NVRAM_WRITE_OUT_LEN;
MCDI_IN_SET_DWORD(req, NVRAM_WRITE_IN_TYPE, partn);
MCDI_IN_SET_DWORD(req, NVRAM_WRITE_IN_OFFSET, offset);
MCDI_IN_SET_DWORD(req, NVRAM_WRITE_IN_LENGTH, size);
memcpy(MCDI_IN2(req, uint8_t, NVRAM_WRITE_IN_WRITE_BUFFER),
data, size);
efx_mcdi_execute(enp, &req);
if (req.emr_rc != 0) {
rc = req.emr_rc;
goto fail2;
}
return (0);
fail2:
EFSYS_PROBE(fail2);
fail1:
EFSYS_PROBE1(fail1, efx_rc_t, rc);
return (rc);
}
__checkReturn efx_rc_t
efx_mcdi_nvram_update_finish(
__in efx_nic_t *enp,
__in uint32_t partn,
__in boolean_t reboot)
{
efx_mcdi_req_t req;
uint8_t payload[MAX(MC_CMD_NVRAM_UPDATE_FINISH_IN_LEN,
MC_CMD_NVRAM_UPDATE_FINISH_OUT_LEN)];
efx_rc_t rc;
(void) memset(payload, 0, sizeof (payload));
req.emr_cmd = MC_CMD_NVRAM_UPDATE_FINISH;
req.emr_in_buf = payload;
req.emr_in_length = MC_CMD_NVRAM_UPDATE_FINISH_IN_LEN;
req.emr_out_buf = payload;
req.emr_out_length = MC_CMD_NVRAM_UPDATE_FINISH_OUT_LEN;
MCDI_IN_SET_DWORD(req, NVRAM_UPDATE_FINISH_IN_TYPE, partn);
MCDI_IN_SET_DWORD(req, NVRAM_UPDATE_FINISH_IN_REBOOT, reboot);
efx_mcdi_execute(enp, &req);
if (req.emr_rc != 0) {
rc = req.emr_rc;
goto fail1;
}
return (0);
fail1:
EFSYS_PROBE1(fail1, efx_rc_t, rc);
return (rc);
}
#if EFSYS_OPT_DIAG
__checkReturn efx_rc_t
efx_mcdi_nvram_test(
__in efx_nic_t *enp,
__in uint32_t partn)
{
efx_mcdi_req_t req;
uint8_t payload[MAX(MC_CMD_NVRAM_TEST_IN_LEN,
MC_CMD_NVRAM_TEST_OUT_LEN)];
int result;
efx_rc_t rc;
(void) memset(payload, 0, sizeof (payload));
req.emr_cmd = MC_CMD_NVRAM_TEST;
req.emr_in_buf = payload;
req.emr_in_length = MC_CMD_NVRAM_TEST_IN_LEN;
req.emr_out_buf = payload;
req.emr_out_length = MC_CMD_NVRAM_TEST_OUT_LEN;
MCDI_IN_SET_DWORD(req, NVRAM_TEST_IN_TYPE, partn);
efx_mcdi_execute(enp, &req);
if (req.emr_rc != 0) {
rc = req.emr_rc;
goto fail1;
}
if (req.emr_out_length_used < MC_CMD_NVRAM_TEST_OUT_LEN) {
rc = EMSGSIZE;
goto fail2;
}
result = MCDI_OUT_DWORD(req, NVRAM_TEST_OUT_RESULT);
if (result == MC_CMD_NVRAM_TEST_FAIL) {
EFSYS_PROBE1(nvram_test_failure, int, partn);
rc = (EINVAL);
goto fail3;
}
return (0);
fail3:
EFSYS_PROBE(fail3);
fail2:
EFSYS_PROBE(fail2);
fail1:
EFSYS_PROBE1(fail1, efx_rc_t, rc);
return (rc);
}
#endif /* EFSYS_OPT_DIAG */
#endif /* EFSYS_OPT_NVRAM || EFSYS_OPT_VPD */
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