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path: root/drivers/net/sfc/base/siena_nvram.c
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Diffstat (limited to 'drivers/net/sfc/base/siena_nvram.c')
-rw-r--r--drivers/net/sfc/base/siena_nvram.c734
1 files changed, 734 insertions, 0 deletions
diff --git a/drivers/net/sfc/base/siena_nvram.c b/drivers/net/sfc/base/siena_nvram.c
new file mode 100644
index 00000000..af4cf172
--- /dev/null
+++ b/drivers/net/sfc/base/siena_nvram.c
@@ -0,0 +1,734 @@
+/*
+ * Copyright (c) 2009-2016 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 "efx.h"
+#include "efx_impl.h"
+
+#if EFSYS_OPT_SIENA
+
+#if EFSYS_OPT_VPD || EFSYS_OPT_NVRAM
+
+ __checkReturn efx_rc_t
+siena_nvram_partn_size(
+ __in efx_nic_t *enp,
+ __in uint32_t partn,
+ __out size_t *sizep)
+{
+ efx_rc_t rc;
+
+ if ((1 << partn) & ~enp->en_u.siena.enu_partn_mask) {
+ rc = ENOTSUP;
+ goto fail1;
+ }
+
+ if ((rc = efx_mcdi_nvram_info(enp, partn, sizep,
+ NULL, NULL, NULL)) != 0) {
+ goto fail2;
+ }
+
+ return (0);
+
+fail2:
+ EFSYS_PROBE(fail2);
+fail1:
+ EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+ return (rc);
+}
+
+ __checkReturn efx_rc_t
+siena_nvram_partn_lock(
+ __in efx_nic_t *enp,
+ __in uint32_t partn)
+{
+ efx_rc_t rc;
+
+ if ((rc = efx_mcdi_nvram_update_start(enp, partn)) != 0) {
+ goto fail1;
+ }
+
+ return (0);
+
+fail1:
+ EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+ return (rc);
+}
+
+ __checkReturn efx_rc_t
+siena_nvram_partn_read(
+ __in efx_nic_t *enp,
+ __in uint32_t partn,
+ __in unsigned int offset,
+ __out_bcount(size) caddr_t data,
+ __in size_t size)
+{
+ size_t chunk;
+ efx_rc_t rc;
+
+ while (size > 0) {
+ chunk = MIN(size, SIENA_NVRAM_CHUNK);
+
+ if ((rc = efx_mcdi_nvram_read(enp, partn, offset, data, chunk,
+ MC_CMD_NVRAM_READ_IN_V2_DEFAULT)) != 0) {
+ goto fail1;
+ }
+
+ size -= chunk;
+ data += chunk;
+ offset += chunk;
+ }
+
+ return (0);
+
+fail1:
+ EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+ return (rc);
+}
+
+ __checkReturn efx_rc_t
+siena_nvram_partn_erase(
+ __in efx_nic_t *enp,
+ __in uint32_t partn,
+ __in unsigned int offset,
+ __in size_t size)
+{
+ efx_rc_t rc;
+
+ if ((rc = efx_mcdi_nvram_erase(enp, partn, offset, size)) != 0) {
+ goto fail1;
+ }
+
+ return (0);
+
+fail1:
+ EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+ return (rc);
+}
+
+ __checkReturn efx_rc_t
+siena_nvram_partn_write(
+ __in efx_nic_t *enp,
+ __in uint32_t partn,
+ __in unsigned int offset,
+ __out_bcount(size) caddr_t data,
+ __in size_t size)
+{
+ size_t chunk;
+ efx_rc_t rc;
+
+ while (size > 0) {
+ chunk = MIN(size, SIENA_NVRAM_CHUNK);
+
+ if ((rc = efx_mcdi_nvram_write(enp, partn, offset,
+ data, chunk)) != 0) {
+ goto fail1;
+ }
+
+ size -= chunk;
+ data += chunk;
+ offset += chunk;
+ }
+
+ return (0);
+
+fail1:
+ EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+ return (rc);
+}
+
+ __checkReturn efx_rc_t
+siena_nvram_partn_unlock(
+ __in efx_nic_t *enp,
+ __in uint32_t partn)
+{
+ boolean_t reboot;
+ efx_rc_t rc;
+
+ /*
+ * 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);
+
+ rc = efx_mcdi_nvram_update_finish(enp, partn, reboot, NULL);
+ if (rc != 0)
+ goto fail1;
+
+ return (0);
+
+fail1:
+ EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+ return (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},
+ {MC_CMD_NVRAM_TYPE_FPGA, 1, EFX_NVRAM_FPGA},
+ {MC_CMD_NVRAM_TYPE_FPGA, 2, EFX_NVRAM_FPGA},
+ {MC_CMD_NVRAM_TYPE_FPGA_BACKUP, 1, EFX_NVRAM_FPGA_BACKUP},
+ {MC_CMD_NVRAM_TYPE_FPGA_BACKUP, 2, EFX_NVRAM_FPGA_BACKUP},
+ {MC_CMD_NVRAM_TYPE_FC_FW, 1, EFX_NVRAM_FCFW},
+ {MC_CMD_NVRAM_TYPE_FC_FW, 2, EFX_NVRAM_FCFW},
+ {MC_CMD_NVRAM_TYPE_CPLD, 1, EFX_NVRAM_CPLD},
+ {MC_CMD_NVRAM_TYPE_CPLD, 2, EFX_NVRAM_CPLD},
+ {MC_CMD_NVRAM_TYPE_LICENSE, 1, EFX_NVRAM_LICENSE},
+ {MC_CMD_NVRAM_TYPE_LICENSE, 2, EFX_NVRAM_LICENSE}
+};
+
+ __checkReturn efx_rc_t
+siena_nvram_type_to_partn(
+ __in efx_nic_t *enp,
+ __in efx_nvram_type_t type,
+ __out uint32_t *partnp)
+{
+ efx_mcdi_iface_t *emip = &(enp->en_mcdi.em_emip);
+ unsigned int i;
+
+ EFSYS_ASSERT3U(type, <, EFX_NVRAM_NTYPES);
+ EFSYS_ASSERT(partnp != NULL);
+
+ for (i = 0; i < EFX_ARRAY_SIZE(siena_parttbl); i++) {
+ siena_parttbl_entry_t *entry = &siena_parttbl[i];
+
+ if (entry->port == emip->emi_port && entry->nvtype == type) {
+ *partnp = entry->partn;
+ return (0);
+ }
+ }
+
+ return (ENOTSUP);
+}
+
+
+#if EFSYS_OPT_DIAG
+
+ __checkReturn efx_rc_t
+siena_nvram_test(
+ __in efx_nic_t *enp)
+{
+ efx_mcdi_iface_t *emip = &(enp->en_mcdi.em_emip);
+ siena_parttbl_entry_t *entry;
+ unsigned int i;
+ efx_rc_t rc;
+
+ /*
+ * Iterate over the list of supported partition types
+ * applicable to *this* port
+ */
+ for (i = 0; i < EFX_ARRAY_SIZE(siena_parttbl); i++) {
+ entry = &siena_parttbl[i];
+
+ if (entry->port != emip->emi_port ||
+ !(enp->en_u.siena.enu_partn_mask & (1 << entry->partn)))
+ continue;
+
+ if ((rc = efx_mcdi_nvram_test(enp, entry->partn)) != 0) {
+ goto fail1;
+ }
+ }
+
+ return (0);
+
+fail1:
+ EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+ return (rc);
+}
+
+#endif /* EFSYS_OPT_DIAG */
+
+
+#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 efx_rc_t
+siena_nvram_get_dynamic_cfg(
+ __in efx_nic_t *enp,
+ __in uint32_t partn,
+ __in boolean_t vpd,
+ __out siena_mc_dynamic_config_hdr_t **dcfgp,
+ __out size_t *sizep)
+{
+ siena_mc_dynamic_config_hdr_t *dcfg = NULL;
+ 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;
+ efx_rc_t 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 compatible */
+ 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);
+
+ EFSYS_KMEM_FREE(enp->en_esip, size, dcfg);
+
+fail2:
+ EFSYS_PROBE(fail2);
+fail1:
+ EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+ return (rc);
+}
+
+ __checkReturn efx_rc_t
+siena_nvram_get_subtype(
+ __in efx_nic_t *enp,
+ __in uint32_t partn,
+ __out uint32_t *subtypep)
+{
+ efx_mcdi_req_t req;
+ uint8_t payload[MAX(MC_CMD_GET_BOARD_CFG_IN_LEN,
+ MC_CMD_GET_BOARD_CFG_OUT_LENMAX)];
+ efx_word_t *fw_list;
+ efx_rc_t rc;
+
+ (void) memset(payload, 0, sizeof (payload));
+ req.emr_cmd = MC_CMD_GET_BOARD_CFG;
+ req.emr_in_buf = payload;
+ req.emr_in_length = MC_CMD_GET_BOARD_CFG_IN_LEN;
+ req.emr_out_buf = payload;
+ req.emr_out_length = MC_CMD_GET_BOARD_CFG_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_GET_BOARD_CFG_OUT_LENMIN) {
+ rc = EMSGSIZE;
+ goto fail2;
+ }
+
+ if (req.emr_out_length_used <
+ MC_CMD_GET_BOARD_CFG_OUT_FW_SUBTYPE_LIST_OFST +
+ (partn + 1) * sizeof (efx_word_t)) {
+ rc = ENOENT;
+ goto fail3;
+ }
+
+ 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);
+
+fail3:
+ EFSYS_PROBE(fail3);
+fail2:
+ EFSYS_PROBE(fail2);
+fail1:
+ EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+ return (rc);
+}
+
+ __checkReturn efx_rc_t
+siena_nvram_partn_get_version(
+ __in efx_nic_t *enp,
+ __in uint32_t partn,
+ __out uint32_t *subtypep,
+ __out_ecount(4) uint16_t version[4])
+{
+ siena_mc_dynamic_config_hdr_t *dcfg;
+ siena_parttbl_entry_t *entry;
+ uint32_t dcfg_partn;
+ unsigned int i;
+ efx_rc_t rc;
+
+ if ((1 << partn) & ~enp->en_u.siena.enu_partn_mask) {
+ rc = ENOTSUP;
+ goto fail1;
+ }
+
+ if ((rc = siena_nvram_get_subtype(enp, partn, subtypep)) != 0)
+ goto fail2;
+
+ /*
+ * 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 (i = 0; i < EFX_ARRAY_SIZE(siena_parttbl); i++) {
+ siena_mc_fw_version_t *verp;
+ unsigned int nitems;
+ uint16_t temp[4];
+ size_t length;
+
+ entry = &siena_parttbl[i];
+ 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 fail3;
+
+ nitems = EFX_DWORD_FIELD(dcfg->num_fw_version_items,
+ EFX_DWORD_0);
+ if (nitems < entry->partn)
+ goto done;
+
+ verp = &dcfg->fw_version[partn];
+ temp[0] = EFX_WORD_FIELD(verp->version_w, EFX_WORD_0);
+ temp[1] = EFX_WORD_FIELD(verp->version_x, EFX_WORD_0);
+ temp[2] = EFX_WORD_FIELD(verp->version_y, EFX_WORD_0);
+ temp[3] = EFX_WORD_FIELD(verp->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);
+
+fail3:
+ EFSYS_PROBE(fail3);
+fail2:
+ EFSYS_PROBE(fail2);
+fail1:
+ EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+ return (rc);
+}
+
+ __checkReturn efx_rc_t
+siena_nvram_partn_rw_start(
+ __in efx_nic_t *enp,
+ __in uint32_t partn,
+ __out size_t *chunk_sizep)
+{
+ efx_rc_t rc;
+
+ if ((rc = siena_nvram_partn_lock(enp, partn)) != 0)
+ goto fail1;
+
+ if (chunk_sizep != NULL)
+ *chunk_sizep = SIENA_NVRAM_CHUNK;
+
+ return (0);
+
+fail1:
+ EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+ return (rc);
+}
+
+ __checkReturn efx_rc_t
+siena_nvram_partn_rw_finish(
+ __in efx_nic_t *enp,
+ __in uint32_t partn)
+{
+ efx_rc_t rc;
+
+ if ((rc = siena_nvram_partn_unlock(enp, partn)) != 0)
+ goto fail1;
+
+ return (0);
+
+fail1:
+ EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+ return (rc);
+}
+
+ __checkReturn efx_rc_t
+siena_nvram_partn_set_version(
+ __in efx_nic_t *enp,
+ __in uint32_t partn,
+ __in_ecount(4) uint16_t version[4])
+{
+ efx_mcdi_iface_t *emip = &(enp->en_mcdi.em_emip);
+ siena_mc_dynamic_config_hdr_t *dcfg = NULL;
+ siena_mc_fw_version_t *fwverp;
+ uint32_t dcfg_partn;
+ size_t dcfg_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;
+ efx_rc_t rc;
+
+ dcfg_partn = (emip->emi_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, &dcfg_size)) != 0)
+ goto fail1;
+
+ 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(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, partn, &subtype)) != 0)
+ goto fail5;
+
+ /* Fill out the new version */
+ fwverp = &dcfg->fw_version[partn];
+ EFX_POPULATE_DWORD_1(fwverp->fw_subtype, EFX_DWORD_0, subtype);
+ EFX_POPULATE_WORD_1(fwverp->version_w, EFX_WORD_0, version[0]);
+ EFX_POPULATE_WORD_1(fwverp->version_x, EFX_WORD_0, version[1]);
+ EFX_POPULATE_WORD_1(fwverp->version_y, EFX_WORD_0, version[2]);
+ EFX_POPULATE_WORD_1(fwverp->version_z, EFX_WORD_0, version[3]);
+
+ /* Update the version count */
+ if (nitems < partn + 1) {
+ nitems = 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, dcfg_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, efx_rc_t, rc);
+
+ return (rc);
+}
+
+#endif /* EFSYS_OPT_NVRAM */
+
+#endif /* EFSYS_OPT_SIENA */