| Current Path : /sys/amd64/compile/hs32/modules/usr/src/sys/modules/ste/@/dev/sfxge/common/ |
FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
| Current File : //sys/amd64/compile/hs32/modules/usr/src/sys/modules/ste/@/dev/sfxge/common/siena_nvram.c |
/*-
* 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/siena_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_SIENA
#if EFSYS_OPT_VPD || EFSYS_OPT_NVRAM
__checkReturn int
siena_nvram_partn_size(
__in efx_nic_t *enp,
__in unsigned int partn,
__out size_t *sizep)
{
efx_mcdi_req_t req;
uint8_t payload[MAX(MC_CMD_NVRAM_INFO_IN_LEN,
MC_CMD_NVRAM_INFO_OUT_LEN)];
int rc;
if ((1 << partn) & ~enp->en_u.siena.enu_partn_mask) {
rc = ENOTSUP;
goto fail1;
}
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_OUT_LEN;
MCDI_IN_SET_DWORD(req, NVRAM_INFO_IN_TYPE, partn);
efx_mcdi_execute(enp, &req);
if (req.emr_rc != 0) {
rc = req.emr_rc;
goto fail2;
}
if (req.emr_out_length_used < MC_CMD_NVRAM_INFO_OUT_LEN) {
rc = EMSGSIZE;
goto fail3;
}
*sizep = MCDI_OUT_DWORD(req, NVRAM_INFO_OUT_SIZE);
return (0);
fail3:
EFSYS_PROBE(fail3);
fail2:
EFSYS_PROBE(fail2);
fail1:
EFSYS_PROBE1(fail1, int, rc);
return (rc);
}
__checkReturn int
siena_nvram_partn_lock(
__in efx_nic_t *enp,
__in unsigned int partn)
{
efx_mcdi_req_t req;
uint8_t payload[MC_CMD_NVRAM_UPDATE_START_IN_LEN];
int rc;
req.emr_cmd = MC_CMD_NVRAM_UPDATE_START;
req.emr_in_buf = payload;
req.emr_in_length = MC_CMD_NVRAM_UPDATE_START_IN_LEN;
EFX_STATIC_ASSERT(MC_CMD_NVRAM_UPDATE_START_OUT_LEN == 0);
req.emr_out_buf = NULL;
req.emr_out_length = 0;
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, int, rc);
return (rc);
}
__checkReturn int
siena_nvram_partn_read(
__in efx_nic_t *enp,
__in unsigned int partn,
__in unsigned int offset,
__out_bcount(size) caddr_t data,
__in size_t size)
{
efx_mcdi_req_t req;
uint8_t payload[MAX(MC_CMD_NVRAM_READ_IN_LEN,
MC_CMD_NVRAM_READ_OUT_LEN(SIENA_NVRAM_CHUNK))];
size_t chunk;
int rc;
while (size > 0) {
chunk = MIN(size, SIENA_NVRAM_CHUNK);
req.emr_cmd = MC_CMD_NVRAM_READ;
req.emr_in_buf = payload;
req.emr_in_length = MC_CMD_NVRAM_READ_IN_LEN;
req.emr_out_buf = payload;
req.emr_out_length =
MC_CMD_NVRAM_READ_OUT_LEN(SIENA_NVRAM_CHUNK);
MCDI_IN_SET_DWORD(req, NVRAM_READ_IN_TYPE, partn);
MCDI_IN_SET_DWORD(req, NVRAM_READ_IN_OFFSET, offset);
MCDI_IN_SET_DWORD(req, NVRAM_READ_IN_LENGTH, chunk);
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(chunk)) {
rc = EMSGSIZE;
goto fail2;
}
memcpy(data,
MCDI_OUT2(req, uint8_t, NVRAM_READ_OUT_READ_BUFFER),
chunk);
size -= chunk;
data += chunk;
offset += chunk;
}
return (0);
fail2:
EFSYS_PROBE(fail2);
fail1:
EFSYS_PROBE1(fail1, int, rc);
return (rc);
}
__checkReturn int
siena_nvram_partn_erase(
__in efx_nic_t *enp,
__in unsigned int partn,
__in unsigned int offset,
__in size_t size)
{
efx_mcdi_req_t req;
uint8_t payload[MC_CMD_NVRAM_ERASE_IN_LEN];
int rc;
req.emr_cmd = MC_CMD_NVRAM_ERASE;
req.emr_in_buf = payload;
req.emr_in_length = MC_CMD_NVRAM_ERASE_IN_LEN;
EFX_STATIC_ASSERT(MC_CMD_NVRAM_ERASE_OUT_LEN == 0);
req.emr_out_buf = NULL;
req.emr_out_length = 0;
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, int, rc);
return (rc);
}
__checkReturn int
siena_nvram_partn_write(
__in efx_nic_t *enp,
__in unsigned int partn,
__in unsigned int offset,
__out_bcount(size) caddr_t data,
__in size_t size)
{
efx_mcdi_req_t req;
uint8_t payload[MC_CMD_NVRAM_WRITE_IN_LEN(SIENA_NVRAM_CHUNK)];
size_t chunk;
int rc;
while (size > 0) {
chunk = MIN(size, SIENA_NVRAM_CHUNK);
req.emr_cmd = MC_CMD_NVRAM_WRITE;
req.emr_in_buf = payload;
req.emr_in_length = MC_CMD_NVRAM_WRITE_IN_LEN(chunk);
EFX_STATIC_ASSERT(MC_CMD_NVRAM_WRITE_OUT_LEN == 0);
req.emr_out_buf = NULL;
req.emr_out_length = 0;
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, chunk);
memcpy(MCDI_IN2(req, uint8_t, NVRAM_WRITE_IN_WRITE_BUFFER),
data, chunk);
efx_mcdi_execute(enp, &req);
if (req.emr_rc != 0) {
rc = req.emr_rc;
goto fail1;
}
size -= chunk;
data += chunk;
offset += chunk;
}
return (0);
fail1:
EFSYS_PROBE1(fail1, int, rc);
return (rc);
}
void
siena_nvram_partn_unlock(
__in efx_nic_t *enp,
__in unsigned int partn)
{
efx_mcdi_req_t req;
uint8_t payload[MC_CMD_NVRAM_UPDATE_FINISH_IN_LEN];
uint32_t reboot;
int rc;
req.emr_cmd = MC_CMD_NVRAM_UPDATE_FINISH;
req.emr_in_buf = payload;
req.emr_in_length = MC_CMD_NVRAM_UPDATE_FINISH_IN_LEN;
EFX_STATIC_ASSERT(MC_CMD_NVRAM_UPDATE_FINISH_OUT_LEN == 0);
req.emr_out_buf = NULL;
req.emr_out_length = 0;
/*
* Reboot into the new image only for PHYs. The driver has to
* explicitly cope with an MC reboot after a firmware update.
*/
reboot = (partn == MC_CMD_NVRAM_TYPE_PHY_PORT0 ||
partn == MC_CMD_NVRAM_TYPE_PHY_PORT1 ||
partn == MC_CMD_NVRAM_TYPE_DISABLED_CALLISTO);
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;
fail1:
EFSYS_PROBE1(fail1, int, rc);
}
#endif /* EFSYS_OPT_VPD || EFSYS_OPT_NVRAM */
#if EFSYS_OPT_NVRAM
typedef struct siena_parttbl_entry_s {
unsigned int partn;
unsigned int port;
efx_nvram_type_t nvtype;
} siena_parttbl_entry_t;
static siena_parttbl_entry_t siena_parttbl[] = {
{MC_CMD_NVRAM_TYPE_DISABLED_CALLISTO, 1, EFX_NVRAM_NULLPHY},
{MC_CMD_NVRAM_TYPE_DISABLED_CALLISTO, 2, EFX_NVRAM_NULLPHY},
{MC_CMD_NVRAM_TYPE_MC_FW, 1, EFX_NVRAM_MC_FIRMWARE},
{MC_CMD_NVRAM_TYPE_MC_FW, 2, EFX_NVRAM_MC_FIRMWARE},
{MC_CMD_NVRAM_TYPE_MC_FW_BACKUP, 1, EFX_NVRAM_MC_GOLDEN},
{MC_CMD_NVRAM_TYPE_MC_FW_BACKUP, 2, EFX_NVRAM_MC_GOLDEN},
{MC_CMD_NVRAM_TYPE_EXP_ROM, 1, EFX_NVRAM_BOOTROM},
{MC_CMD_NVRAM_TYPE_EXP_ROM, 2, EFX_NVRAM_BOOTROM},
{MC_CMD_NVRAM_TYPE_EXP_ROM_CFG_PORT0, 1, EFX_NVRAM_BOOTROM_CFG},
{MC_CMD_NVRAM_TYPE_EXP_ROM_CFG_PORT1, 2, EFX_NVRAM_BOOTROM_CFG},
{MC_CMD_NVRAM_TYPE_PHY_PORT0, 1, EFX_NVRAM_PHY},
{MC_CMD_NVRAM_TYPE_PHY_PORT1, 2, EFX_NVRAM_PHY},
{0, 0, 0},
};
static __checkReturn siena_parttbl_entry_t *
siena_parttbl_entry(
__in efx_nic_t *enp,
__in efx_nvram_type_t type)
{
efx_mcdi_iface_t *emip = &(enp->en_u.siena.enu_mip);
siena_parttbl_entry_t *entry;
EFSYS_ASSERT3U(type, <, EFX_NVRAM_NTYPES);
for (entry = siena_parttbl; entry->port > 0; ++entry) {
if (entry->port == emip->emi_port && entry->nvtype == type)
return (entry);
}
return (NULL);
}
#if EFSYS_OPT_DIAG
__checkReturn int
siena_nvram_test(
__in efx_nic_t *enp)
{
efx_mcdi_iface_t *emip = &(enp->en_u.siena.enu_mip);
siena_parttbl_entry_t *entry;
efx_mcdi_req_t req;
uint8_t payload[MAX(MC_CMD_NVRAM_TEST_IN_LEN,
MC_CMD_NVRAM_TEST_OUT_LEN)];
int result;
int rc;
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;
/*
* Iterate over the list of supported partition types
* applicable to *this* port
*/
for (entry = siena_parttbl; entry->port > 0; ++entry) {
if (entry->port != emip->emi_port ||
!(enp->en_u.siena.enu_partn_mask & (1 << entry->partn)))
continue;
MCDI_IN_SET_DWORD(req, NVRAM_TEST_IN_TYPE, entry->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, entry->partn);
rc = (EINVAL);
goto fail3;
}
}
return (0);
fail3:
EFSYS_PROBE(fail3);
fail2:
EFSYS_PROBE(fail2);
fail1:
EFSYS_PROBE1(fail1, int, rc);
return (rc);
}
#endif /* EFSYS_OPT_DIAG */
__checkReturn int
siena_nvram_size(
__in efx_nic_t *enp,
__in efx_nvram_type_t type,
__out size_t *sizep)
{
siena_parttbl_entry_t *entry;
int rc;
if ((entry = siena_parttbl_entry(enp, type)) == NULL) {
rc = ENOTSUP;
goto fail1;
}
if ((rc = siena_nvram_partn_size(enp, entry->partn, sizep)) != 0)
goto fail2;
return (0);
fail2:
EFSYS_PROBE(fail2);
fail1:
EFSYS_PROBE1(fail1, int, rc);
*sizep = 0;
return (rc);
}
#define SIENA_DYNAMIC_CFG_SIZE(_nitems) \
(sizeof (siena_mc_dynamic_config_hdr_t) + ((_nitems) * \
sizeof (((siena_mc_dynamic_config_hdr_t *)NULL)->fw_version[0])))
__checkReturn int
siena_nvram_get_dynamic_cfg(
__in efx_nic_t *enp,
__in unsigned int partn,
__in boolean_t vpd,
__out siena_mc_dynamic_config_hdr_t **dcfgp,
__out size_t *sizep)
{
siena_mc_dynamic_config_hdr_t *dcfg;
size_t size;
uint8_t cksum;
unsigned int vpd_offset;
unsigned int vpd_length;
unsigned int hdr_length;
unsigned int nversions;
unsigned int pos;
unsigned int region;
int rc;
EFSYS_ASSERT(partn == MC_CMD_NVRAM_TYPE_DYNAMIC_CFG_PORT0 ||
partn == MC_CMD_NVRAM_TYPE_DYNAMIC_CFG_PORT1);
/*
* Allocate sufficient memory for the entire dynamiccfg area, even
* if we're not actually going to read in the VPD.
*/
if ((rc = siena_nvram_partn_size(enp, partn, &size)) != 0)
goto fail1;
EFSYS_KMEM_ALLOC(enp->en_esip, size, dcfg);
if (dcfg == NULL) {
rc = ENOMEM;
goto fail2;
}
if ((rc = siena_nvram_partn_read(enp, partn, 0,
(caddr_t)dcfg, SIENA_NVRAM_CHUNK)) != 0)
goto fail3;
/* Verify the magic */
if (EFX_DWORD_FIELD(dcfg->magic, EFX_DWORD_0)
!= SIENA_MC_DYNAMIC_CONFIG_MAGIC)
goto invalid1;
/* All future versions of the structure must be backwards compatable */
EFX_STATIC_ASSERT(SIENA_MC_DYNAMIC_CONFIG_VERSION == 0);
hdr_length = EFX_WORD_FIELD(dcfg->length, EFX_WORD_0);
nversions = EFX_DWORD_FIELD(dcfg->num_fw_version_items, EFX_DWORD_0);
vpd_offset = EFX_DWORD_FIELD(dcfg->dynamic_vpd_offset, EFX_DWORD_0);
vpd_length = EFX_DWORD_FIELD(dcfg->dynamic_vpd_length, EFX_DWORD_0);
/* Verify the hdr doesn't overflow the partn size */
if (hdr_length > size || vpd_offset > size || vpd_length > size ||
vpd_length + vpd_offset > size)
goto invalid2;
/* Verify the header has room for all it's versions */
if (hdr_length < SIENA_DYNAMIC_CFG_SIZE(0) ||
hdr_length < SIENA_DYNAMIC_CFG_SIZE(nversions))
goto invalid3;
/*
* Read the remaining portion of the dcfg, either including
* the whole of VPD (there is no vpd length in this structure,
* so we have to parse each tag), or just the dcfg header itself
*/
region = vpd ? vpd_offset + vpd_length : hdr_length;
if (region > SIENA_NVRAM_CHUNK) {
if ((rc = siena_nvram_partn_read(enp, partn, SIENA_NVRAM_CHUNK,
(caddr_t)dcfg + SIENA_NVRAM_CHUNK,
region - SIENA_NVRAM_CHUNK)) != 0)
goto fail4;
}
/* Verify checksum */
cksum = 0;
for (pos = 0; pos < hdr_length; pos++)
cksum += ((uint8_t *)dcfg)[pos];
if (cksum != 0)
goto invalid4;
goto done;
invalid4:
EFSYS_PROBE(invalid4);
invalid3:
EFSYS_PROBE(invalid3);
invalid2:
EFSYS_PROBE(invalid2);
invalid1:
EFSYS_PROBE(invalid1);
/*
* Construct a new "null" dcfg, with an empty version vector,
* and an empty VPD chunk trailing. This has the neat side effect
* of testing the exception paths in the write path.
*/
EFX_POPULATE_DWORD_1(dcfg->magic,
EFX_DWORD_0, SIENA_MC_DYNAMIC_CONFIG_MAGIC);
EFX_POPULATE_WORD_1(dcfg->length, EFX_WORD_0, sizeof (*dcfg));
EFX_POPULATE_BYTE_1(dcfg->version, EFX_BYTE_0,
SIENA_MC_DYNAMIC_CONFIG_VERSION);
EFX_POPULATE_DWORD_1(dcfg->dynamic_vpd_offset,
EFX_DWORD_0, sizeof (*dcfg));
EFX_POPULATE_DWORD_1(dcfg->dynamic_vpd_length, EFX_DWORD_0, 0);
EFX_POPULATE_DWORD_1(dcfg->num_fw_version_items, EFX_DWORD_0, 0);
done:
*dcfgp = dcfg;
*sizep = size;
return (0);
fail4:
EFSYS_PROBE(fail4);
fail3:
EFSYS_PROBE(fail3);
fail2:
EFSYS_PROBE(fail2);
EFSYS_KMEM_FREE(enp->en_esip, size, dcfg);
fail1:
EFSYS_PROBE1(fail1, int, rc);
return (rc);
}
static __checkReturn int
siena_nvram_get_subtype(
__in efx_nic_t *enp,
__in unsigned int partn,
__out uint32_t *subtypep)
{
efx_mcdi_req_t req;
uint8_t outbuf[MC_CMD_GET_BOARD_CFG_OUT_LEN];
efx_word_t *fw_list;
int rc;
req.emr_cmd = MC_CMD_GET_BOARD_CFG;
EFX_STATIC_ASSERT(MC_CMD_GET_BOARD_CFG_IN_LEN == 0);
req.emr_in_buf = NULL;
req.emr_in_length = 0;
req.emr_out_buf = outbuf;
req.emr_out_length = sizeof (outbuf);
efx_mcdi_execute(enp, &req);
if (req.emr_rc != 0) {
rc = req.emr_rc;
goto fail1;
}
if (req.emr_out_length_used < MC_CMD_GET_BOARD_CFG_OUT_LEN) {
rc = EMSGSIZE;
goto fail2;
}
fw_list = MCDI_OUT2(req, efx_word_t,
GET_BOARD_CFG_OUT_FW_SUBTYPE_LIST);
*subtypep = EFX_WORD_FIELD(fw_list[partn], EFX_WORD_0);
return (0);
fail2:
EFSYS_PROBE(fail2);
fail1:
EFSYS_PROBE1(fail1, int, rc);
return (rc);
}
__checkReturn int
siena_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])
{
siena_mc_dynamic_config_hdr_t *dcfg;
siena_parttbl_entry_t *entry;
unsigned int dcfg_partn;
unsigned int partn;
int rc;
if ((entry = siena_parttbl_entry(enp, type)) == NULL) {
rc = ENOTSUP;
goto fail1;
}
partn = entry->partn;
if ((1 << partn) & ~enp->en_u.siena.enu_partn_mask) {
rc = ENOTSUP;
goto fail2;
}
if ((rc = siena_nvram_get_subtype(enp, partn, subtypep)) != 0)
goto fail3;
/*
* Some partitions are accessible from both ports (for instance BOOTROM)
* Find the highest version reported by all dcfg structures on ports
* that have access to this partition.
*/
version[0] = version[1] = version[2] = version[3] = 0;
for (entry = siena_parttbl; entry->port > 0; ++entry) {
unsigned int nitems;
uint16_t temp[4];
size_t length;
if (entry->partn != partn)
continue;
dcfg_partn = (entry->port == 1)
? MC_CMD_NVRAM_TYPE_DYNAMIC_CFG_PORT0
: MC_CMD_NVRAM_TYPE_DYNAMIC_CFG_PORT1;
/*
* Ingore missing partitions on port 2, assuming they're due
* to to running on a single port part.
*/
if ((1 << dcfg_partn) & ~enp->en_u.siena.enu_partn_mask) {
if (entry->port == 2)
continue;
}
if ((rc = siena_nvram_get_dynamic_cfg(enp, dcfg_partn,
B_FALSE, &dcfg, &length)) != 0)
goto fail4;
nitems = EFX_DWORD_FIELD(dcfg->num_fw_version_items,
EFX_DWORD_0);
if (nitems < entry->partn)
goto done;
temp[0] = EFX_WORD_FIELD(dcfg->fw_version[partn].version_w,
EFX_WORD_0);
temp[1] = EFX_WORD_FIELD(dcfg->fw_version[partn].version_x,
EFX_WORD_0);
temp[2] = EFX_WORD_FIELD(dcfg->fw_version[partn].version_y,
EFX_WORD_0);
temp[3] = EFX_WORD_FIELD(dcfg->fw_version[partn].version_z,
EFX_WORD_0);
if (memcmp(version, temp, sizeof (temp)) < 0)
memcpy(version, temp, sizeof (temp));
done:
EFSYS_KMEM_FREE(enp->en_esip, length, dcfg);
}
return (0);
fail4:
EFSYS_PROBE(fail4);
fail3:
EFSYS_PROBE(fail3);
fail2:
EFSYS_PROBE(fail2);
fail1:
EFSYS_PROBE1(fail1, int, rc);
return (rc);
}
__checkReturn int
siena_nvram_rw_start(
__in efx_nic_t *enp,
__in efx_nvram_type_t type,
__out size_t *chunk_sizep)
{
siena_parttbl_entry_t *entry;
int rc;
if ((entry = siena_parttbl_entry(enp, type)) == NULL) {
rc = ENOTSUP;
goto fail1;
}
if ((rc = siena_nvram_partn_lock(enp, entry->partn)) != 0)
goto fail2;
if (chunk_sizep != NULL)
*chunk_sizep = SIENA_NVRAM_CHUNK;
return (0);
fail2:
EFSYS_PROBE(fail2);
fail1:
EFSYS_PROBE1(fail1, int, rc);
return (rc);
}
__checkReturn int
siena_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)
{
siena_parttbl_entry_t *entry;
int rc;
if ((entry = siena_parttbl_entry(enp, type)) == NULL) {
rc = ENOTSUP;
goto fail1;
}
if ((rc = siena_nvram_partn_read(enp, entry->partn,
offset, data, size)) != 0)
goto fail2;
return (0);
fail2:
EFSYS_PROBE(fail2);
fail1:
EFSYS_PROBE1(fail1, int, rc);
return (rc);
}
__checkReturn int
siena_nvram_erase(
__in efx_nic_t *enp,
__in efx_nvram_type_t type)
{
siena_parttbl_entry_t *entry;
size_t size;
int rc;
if ((entry = siena_parttbl_entry(enp, type)) == NULL) {
rc = ENOTSUP;
goto fail1;
}
if ((rc = siena_nvram_partn_size(enp, entry->partn, &size)) != 0)
goto fail2;
if ((rc = siena_nvram_partn_erase(enp, entry->partn, 0, size)) != 0)
goto fail3;
return (0);
fail3:
EFSYS_PROBE(fail3);
fail2:
EFSYS_PROBE(fail2);
fail1:
EFSYS_PROBE1(fail1, int, rc);
return (rc);
}
__checkReturn int
siena_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)
{
siena_parttbl_entry_t *entry;
int rc;
if ((entry = siena_parttbl_entry(enp, type)) == NULL) {
rc = ENOTSUP;
goto fail1;
}
if ((rc = siena_nvram_partn_write(enp, entry->partn,
offset, data, size)) != 0)
goto fail2;
return (0);
fail2:
EFSYS_PROBE(fail2);
fail1:
EFSYS_PROBE1(fail1, int, rc);
return (rc);
}
void
siena_nvram_rw_finish(
__in efx_nic_t *enp,
__in efx_nvram_type_t type)
{
siena_parttbl_entry_t *entry;
if ((entry = siena_parttbl_entry(enp, type)) != NULL)
siena_nvram_partn_unlock(enp, entry->partn);
}
__checkReturn int
siena_nvram_set_version(
__in efx_nic_t *enp,
__in efx_nvram_type_t type,
__out uint16_t version[4])
{
siena_mc_dynamic_config_hdr_t *dcfg = NULL;
siena_parttbl_entry_t *entry;
unsigned int dcfg_partn;
size_t partn_size;
unsigned int hdr_length;
unsigned int vpd_length;
unsigned int vpd_offset;
unsigned int nitems;
unsigned int required_hdr_length;
unsigned int pos;
uint8_t cksum;
uint32_t subtype;
size_t length;
int rc;
if ((entry = siena_parttbl_entry(enp, type)) == NULL) {
rc = ENOTSUP;
goto fail1;
}
dcfg_partn = (entry->port == 1)
? MC_CMD_NVRAM_TYPE_DYNAMIC_CFG_PORT0
: MC_CMD_NVRAM_TYPE_DYNAMIC_CFG_PORT1;
if ((rc = siena_nvram_partn_size(enp, dcfg_partn, &partn_size)) != 0)
goto fail2;
if ((rc = siena_nvram_partn_lock(enp, dcfg_partn)) != 0)
goto fail2;
if ((rc = siena_nvram_get_dynamic_cfg(enp, dcfg_partn,
B_TRUE, &dcfg, &length)) != 0)
goto fail3;
hdr_length = EFX_WORD_FIELD(dcfg->length, EFX_WORD_0);
nitems = EFX_DWORD_FIELD(dcfg->num_fw_version_items, EFX_DWORD_0);
vpd_length = EFX_DWORD_FIELD(dcfg->dynamic_vpd_length, EFX_DWORD_0);
vpd_offset = EFX_DWORD_FIELD(dcfg->dynamic_vpd_offset, EFX_DWORD_0);
/*
* NOTE: This function will blatt any fields trailing the version
* vector, or the VPD chunk.
*/
required_hdr_length = SIENA_DYNAMIC_CFG_SIZE(entry->partn + 1);
if (required_hdr_length + vpd_length > length) {
rc = ENOSPC;
goto fail4;
}
if (vpd_offset < required_hdr_length) {
(void) memmove((caddr_t)dcfg + required_hdr_length,
(caddr_t)dcfg + vpd_offset, vpd_length);
vpd_offset = required_hdr_length;
EFX_POPULATE_DWORD_1(dcfg->dynamic_vpd_offset,
EFX_DWORD_0, vpd_offset);
}
if (hdr_length < required_hdr_length) {
(void) memset((caddr_t)dcfg + hdr_length, 0,
required_hdr_length - hdr_length);
hdr_length = required_hdr_length;
EFX_POPULATE_WORD_1(dcfg->length,
EFX_WORD_0, hdr_length);
}
/* Get the subtype to insert into the fw_subtype array */
if ((rc = siena_nvram_get_subtype(enp, entry->partn, &subtype)) != 0)
goto fail5;
/* Fill out the new version */
EFX_POPULATE_DWORD_1(dcfg->fw_version[entry->partn].fw_subtype,
EFX_DWORD_0, subtype);
EFX_POPULATE_WORD_1(dcfg->fw_version[entry->partn].version_w,
EFX_WORD_0, version[0]);
EFX_POPULATE_WORD_1(dcfg->fw_version[entry->partn].version_x,
EFX_WORD_0, version[1]);
EFX_POPULATE_WORD_1(dcfg->fw_version[entry->partn].version_y,
EFX_WORD_0, version[2]);
EFX_POPULATE_WORD_1(dcfg->fw_version[entry->partn].version_z,
EFX_WORD_0, version[3]);
/* Update the version count */
if (nitems < entry->partn + 1) {
nitems = entry->partn + 1;
EFX_POPULATE_DWORD_1(dcfg->num_fw_version_items,
EFX_DWORD_0, nitems);
}
/* Update the checksum */
cksum = 0;
for (pos = 0; pos < hdr_length; pos++)
cksum += ((uint8_t *)dcfg)[pos];
dcfg->csum.eb_u8[0] -= cksum;
/* Erase and write the new partition */
if ((rc = siena_nvram_partn_erase(enp, dcfg_partn, 0, partn_size)) != 0)
goto fail6;
/* Write out the new structure to nvram */
if ((rc = siena_nvram_partn_write(enp, dcfg_partn, 0,
(caddr_t)dcfg, vpd_offset + vpd_length)) != 0)
goto fail7;
EFSYS_KMEM_FREE(enp->en_esip, length, dcfg);
siena_nvram_partn_unlock(enp, dcfg_partn);
return (0);
fail7:
EFSYS_PROBE(fail7);
fail6:
EFSYS_PROBE(fail6);
fail5:
EFSYS_PROBE(fail5);
fail4:
EFSYS_PROBE(fail4);
EFSYS_KMEM_FREE(enp->en_esip, length, dcfg);
fail3:
EFSYS_PROBE(fail3);
fail2:
EFSYS_PROBE(fail2);
fail1:
EFSYS_PROBE1(fail1, int, rc);
return (rc);
}
#endif /* EFSYS_OPT_NVRAM */
#endif /* EFSYS_OPT_SIENA */