diff options
Diffstat (limited to 'drivers/net/sfc/base/ef10_nvram.c')
| -rw-r--r-- | drivers/net/sfc/base/ef10_nvram.c | 202 |
1 files changed, 91 insertions, 111 deletions
diff --git a/drivers/net/sfc/base/ef10_nvram.c b/drivers/net/sfc/base/ef10_nvram.c index 3f9d3750..1904597c 100644 --- a/drivers/net/sfc/base/ef10_nvram.c +++ b/drivers/net/sfc/base/ef10_nvram.c @@ -1,31 +1,7 @@ -/* - * Copyright (c) 2012-2016 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. +/* SPDX-License-Identifier: BSD-3-Clause * - * 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. + * Copyright (c) 2012-2018 Solarflare Communications Inc. + * All rights reserved. */ #include "efx.h" @@ -672,6 +648,7 @@ ef10_nvram_buffer_validate( int pos; efx_rc_t rc; + _NOTE(ARGUNUSED(enp, partn)) EFX_STATIC_ASSERT(sizeof (*header) <= EF10_NVRAM_CHUNK); if ((partn_data == NULL) || (partn_size == 0)) { @@ -1282,6 +1259,8 @@ ef10_nvram_buf_read_tlv( caddr_t value; efx_rc_t rc; + _NOTE(ARGUNUSED(enp)) + if ((seg_data == NULL) || (max_seg_size == 0)) { rc = EINVAL; goto fail1; @@ -1937,14 +1916,37 @@ ef10_nvram_partn_read( __in size_t size) { /* - * Read requests which come in through the EFX API expect to - * read the current, active partition. + * An A/B partition has two data stores (current and backup). + * Read requests which come in through the EFX API expect to read the + * current, active store of an A/B partition. For non A/B partitions, + * there is only a single store and so the mode param is ignored. */ return ef10_nvram_partn_read_mode(enp, partn, offset, data, size, MC_CMD_NVRAM_READ_IN_V2_TARGET_CURRENT); } __checkReturn efx_rc_t +ef10_nvram_partn_read_backup( + __in efx_nic_t *enp, + __in uint32_t partn, + __in unsigned int offset, + __out_bcount(size) caddr_t data, + __in size_t size) +{ + /* + * An A/B partition has two data stores (current and backup). + * Read the backup store of an A/B partition (i.e. the store currently + * being written to if the partition is locked). + * + * This is needed when comparing the existing partition content to avoid + * unnecessary writes, or to read back what has been written to check + * that the writes have succeeded. + */ + return ef10_nvram_partn_read_mode(enp, partn, offset, data, size, + MC_CMD_NVRAM_READ_IN_V2_TARGET_BACKUP); +} + + __checkReturn efx_rc_t ef10_nvram_partn_erase( __in efx_nic_t *enp, __in uint32_t partn, @@ -2047,15 +2049,15 @@ fail1: ef10_nvram_partn_unlock( __in efx_nic_t *enp, __in uint32_t partn, - __out_opt uint32_t *resultp) + __out_opt uint32_t *verify_resultp) { boolean_t reboot = B_FALSE; efx_rc_t rc; - if (resultp != NULL) - *resultp = MC_CMD_NVRAM_VERIFY_RC_UNKNOWN; + if (verify_resultp != NULL) + *verify_resultp = MC_CMD_NVRAM_VERIFY_RC_UNKNOWN; - rc = efx_mcdi_nvram_update_finish(enp, partn, reboot, resultp); + rc = efx_mcdi_nvram_update_finish(enp, partn, reboot, verify_resultp); if (rc != 0) goto fail1; @@ -2106,83 +2108,48 @@ fail1: typedef struct ef10_parttbl_entry_s { unsigned int partn; - unsigned int port; + unsigned int port_mask; efx_nvram_type_t nvtype; } ef10_parttbl_entry_t; +/* Port mask values */ +#define PORT_1 (1u << 1) +#define PORT_2 (1u << 2) +#define PORT_3 (1u << 3) +#define PORT_4 (1u << 4) +#define PORT_ALL (0xffffffffu) + +#define PARTN_MAP_ENTRY(partn, port_mask, nvtype) \ +{ (NVRAM_PARTITION_TYPE_##partn), (PORT_##port_mask), (EFX_NVRAM_##nvtype) } + /* Translate EFX NVRAM types to firmware partition types */ static ef10_parttbl_entry_t hunt_parttbl[] = { - {NVRAM_PARTITION_TYPE_MC_FIRMWARE, 1, EFX_NVRAM_MC_FIRMWARE}, - {NVRAM_PARTITION_TYPE_MC_FIRMWARE, 2, EFX_NVRAM_MC_FIRMWARE}, - {NVRAM_PARTITION_TYPE_MC_FIRMWARE, 3, EFX_NVRAM_MC_FIRMWARE}, - {NVRAM_PARTITION_TYPE_MC_FIRMWARE, 4, EFX_NVRAM_MC_FIRMWARE}, - {NVRAM_PARTITION_TYPE_MC_FIRMWARE_BACKUP, 1, EFX_NVRAM_MC_GOLDEN}, - {NVRAM_PARTITION_TYPE_MC_FIRMWARE_BACKUP, 2, EFX_NVRAM_MC_GOLDEN}, - {NVRAM_PARTITION_TYPE_MC_FIRMWARE_BACKUP, 3, EFX_NVRAM_MC_GOLDEN}, - {NVRAM_PARTITION_TYPE_MC_FIRMWARE_BACKUP, 4, EFX_NVRAM_MC_GOLDEN}, - {NVRAM_PARTITION_TYPE_EXPANSION_ROM, 1, EFX_NVRAM_BOOTROM}, - {NVRAM_PARTITION_TYPE_EXPANSION_ROM, 2, EFX_NVRAM_BOOTROM}, - {NVRAM_PARTITION_TYPE_EXPANSION_ROM, 3, EFX_NVRAM_BOOTROM}, - {NVRAM_PARTITION_TYPE_EXPANSION_ROM, 4, EFX_NVRAM_BOOTROM}, - {NVRAM_PARTITION_TYPE_EXPROM_CONFIG_PORT0, 1, EFX_NVRAM_BOOTROM_CFG}, - {NVRAM_PARTITION_TYPE_EXPROM_CONFIG_PORT1, 2, EFX_NVRAM_BOOTROM_CFG}, - {NVRAM_PARTITION_TYPE_EXPROM_CONFIG_PORT2, 3, EFX_NVRAM_BOOTROM_CFG}, - {NVRAM_PARTITION_TYPE_EXPROM_CONFIG_PORT3, 4, EFX_NVRAM_BOOTROM_CFG}, - {NVRAM_PARTITION_TYPE_DYNAMIC_CONFIG, 1, EFX_NVRAM_DYNAMIC_CFG}, - {NVRAM_PARTITION_TYPE_DYNAMIC_CONFIG, 2, EFX_NVRAM_DYNAMIC_CFG}, - {NVRAM_PARTITION_TYPE_DYNAMIC_CONFIG, 3, EFX_NVRAM_DYNAMIC_CFG}, - {NVRAM_PARTITION_TYPE_DYNAMIC_CONFIG, 4, EFX_NVRAM_DYNAMIC_CFG}, - {NVRAM_PARTITION_TYPE_FPGA, 1, EFX_NVRAM_FPGA}, - {NVRAM_PARTITION_TYPE_FPGA, 2, EFX_NVRAM_FPGA}, - {NVRAM_PARTITION_TYPE_FPGA, 3, EFX_NVRAM_FPGA}, - {NVRAM_PARTITION_TYPE_FPGA, 4, EFX_NVRAM_FPGA}, - {NVRAM_PARTITION_TYPE_FPGA_BACKUP, 1, EFX_NVRAM_FPGA_BACKUP}, - {NVRAM_PARTITION_TYPE_FPGA_BACKUP, 2, EFX_NVRAM_FPGA_BACKUP}, - {NVRAM_PARTITION_TYPE_FPGA_BACKUP, 3, EFX_NVRAM_FPGA_BACKUP}, - {NVRAM_PARTITION_TYPE_FPGA_BACKUP, 4, EFX_NVRAM_FPGA_BACKUP}, - {NVRAM_PARTITION_TYPE_LICENSE, 1, EFX_NVRAM_LICENSE}, - {NVRAM_PARTITION_TYPE_LICENSE, 2, EFX_NVRAM_LICENSE}, - {NVRAM_PARTITION_TYPE_LICENSE, 3, EFX_NVRAM_LICENSE}, - {NVRAM_PARTITION_TYPE_LICENSE, 4, EFX_NVRAM_LICENSE} + /* partn ports nvtype */ + PARTN_MAP_ENTRY(MC_FIRMWARE, ALL, MC_FIRMWARE), + PARTN_MAP_ENTRY(MC_FIRMWARE_BACKUP, ALL, MC_GOLDEN), + PARTN_MAP_ENTRY(EXPANSION_ROM, ALL, BOOTROM), + PARTN_MAP_ENTRY(EXPROM_CONFIG_PORT0, 1, BOOTROM_CFG), + PARTN_MAP_ENTRY(EXPROM_CONFIG_PORT1, 2, BOOTROM_CFG), + PARTN_MAP_ENTRY(EXPROM_CONFIG_PORT2, 3, BOOTROM_CFG), + PARTN_MAP_ENTRY(EXPROM_CONFIG_PORT3, 4, BOOTROM_CFG), + PARTN_MAP_ENTRY(DYNAMIC_CONFIG, ALL, DYNAMIC_CFG), + PARTN_MAP_ENTRY(FPGA, ALL, FPGA), + PARTN_MAP_ENTRY(FPGA_BACKUP, ALL, FPGA_BACKUP), + PARTN_MAP_ENTRY(LICENSE, ALL, LICENSE), }; static ef10_parttbl_entry_t medford_parttbl[] = { - {NVRAM_PARTITION_TYPE_MC_FIRMWARE, 1, EFX_NVRAM_MC_FIRMWARE}, - {NVRAM_PARTITION_TYPE_MC_FIRMWARE, 2, EFX_NVRAM_MC_FIRMWARE}, - {NVRAM_PARTITION_TYPE_MC_FIRMWARE, 3, EFX_NVRAM_MC_FIRMWARE}, - {NVRAM_PARTITION_TYPE_MC_FIRMWARE, 4, EFX_NVRAM_MC_FIRMWARE}, - {NVRAM_PARTITION_TYPE_MC_FIRMWARE_BACKUP, 1, EFX_NVRAM_MC_GOLDEN}, - {NVRAM_PARTITION_TYPE_MC_FIRMWARE_BACKUP, 2, EFX_NVRAM_MC_GOLDEN}, - {NVRAM_PARTITION_TYPE_MC_FIRMWARE_BACKUP, 3, EFX_NVRAM_MC_GOLDEN}, - {NVRAM_PARTITION_TYPE_MC_FIRMWARE_BACKUP, 4, EFX_NVRAM_MC_GOLDEN}, - {NVRAM_PARTITION_TYPE_EXPANSION_ROM, 1, EFX_NVRAM_BOOTROM}, - {NVRAM_PARTITION_TYPE_EXPANSION_ROM, 2, EFX_NVRAM_BOOTROM}, - {NVRAM_PARTITION_TYPE_EXPANSION_ROM, 3, EFX_NVRAM_BOOTROM}, - {NVRAM_PARTITION_TYPE_EXPANSION_ROM, 4, EFX_NVRAM_BOOTROM}, - {NVRAM_PARTITION_TYPE_EXPROM_CONFIG_PORT0, 1, EFX_NVRAM_BOOTROM_CFG}, - {NVRAM_PARTITION_TYPE_EXPROM_CONFIG_PORT0, 2, EFX_NVRAM_BOOTROM_CFG}, - {NVRAM_PARTITION_TYPE_EXPROM_CONFIG_PORT0, 3, EFX_NVRAM_BOOTROM_CFG}, - {NVRAM_PARTITION_TYPE_EXPROM_CONFIG_PORT0, 4, EFX_NVRAM_BOOTROM_CFG}, - {NVRAM_PARTITION_TYPE_DYNAMIC_CONFIG, 1, EFX_NVRAM_DYNAMIC_CFG}, - {NVRAM_PARTITION_TYPE_DYNAMIC_CONFIG, 2, EFX_NVRAM_DYNAMIC_CFG}, - {NVRAM_PARTITION_TYPE_DYNAMIC_CONFIG, 3, EFX_NVRAM_DYNAMIC_CFG}, - {NVRAM_PARTITION_TYPE_DYNAMIC_CONFIG, 4, EFX_NVRAM_DYNAMIC_CFG}, - {NVRAM_PARTITION_TYPE_FPGA, 1, EFX_NVRAM_FPGA}, - {NVRAM_PARTITION_TYPE_FPGA, 2, EFX_NVRAM_FPGA}, - {NVRAM_PARTITION_TYPE_FPGA, 3, EFX_NVRAM_FPGA}, - {NVRAM_PARTITION_TYPE_FPGA, 4, EFX_NVRAM_FPGA}, - {NVRAM_PARTITION_TYPE_FPGA_BACKUP, 1, EFX_NVRAM_FPGA_BACKUP}, - {NVRAM_PARTITION_TYPE_FPGA_BACKUP, 2, EFX_NVRAM_FPGA_BACKUP}, - {NVRAM_PARTITION_TYPE_FPGA_BACKUP, 3, EFX_NVRAM_FPGA_BACKUP}, - {NVRAM_PARTITION_TYPE_FPGA_BACKUP, 4, EFX_NVRAM_FPGA_BACKUP}, - {NVRAM_PARTITION_TYPE_LICENSE, 1, EFX_NVRAM_LICENSE}, - {NVRAM_PARTITION_TYPE_LICENSE, 2, EFX_NVRAM_LICENSE}, - {NVRAM_PARTITION_TYPE_LICENSE, 3, EFX_NVRAM_LICENSE}, - {NVRAM_PARTITION_TYPE_LICENSE, 4, EFX_NVRAM_LICENSE}, - {NVRAM_PARTITION_TYPE_EXPANSION_UEFI, 1, EFX_NVRAM_UEFIROM}, - {NVRAM_PARTITION_TYPE_EXPANSION_UEFI, 2, EFX_NVRAM_UEFIROM}, - {NVRAM_PARTITION_TYPE_EXPANSION_UEFI, 3, EFX_NVRAM_UEFIROM}, - {NVRAM_PARTITION_TYPE_EXPANSION_UEFI, 4, EFX_NVRAM_UEFIROM} + /* partn ports nvtype */ + PARTN_MAP_ENTRY(MC_FIRMWARE, ALL, MC_FIRMWARE), + PARTN_MAP_ENTRY(MC_FIRMWARE_BACKUP, ALL, MC_GOLDEN), + PARTN_MAP_ENTRY(EXPANSION_ROM, ALL, BOOTROM), + PARTN_MAP_ENTRY(EXPROM_CONFIG, ALL, BOOTROM_CFG), + PARTN_MAP_ENTRY(DYNAMIC_CONFIG, ALL, DYNAMIC_CFG), + PARTN_MAP_ENTRY(FPGA, ALL, FPGA), + PARTN_MAP_ENTRY(FPGA_BACKUP, ALL, FPGA_BACKUP), + PARTN_MAP_ENTRY(LICENSE, ALL, LICENSE), + PARTN_MAP_ENTRY(EXPANSION_UEFI, ALL, UEFIROM), + PARTN_MAP_ENTRY(MUM_FIRMWARE, ALL, MUM_FIRMWARE), }; static __checkReturn efx_rc_t @@ -2220,6 +2187,7 @@ ef10_nvram_type_to_partn( size_t parttbl_rows = 0; unsigned int i; + EFSYS_ASSERT3U(type, !=, EFX_NVRAM_INVALID); EFSYS_ASSERT3U(type, <, EFX_NVRAM_NTYPES); EFSYS_ASSERT(partnp != NULL); @@ -2227,8 +2195,8 @@ ef10_nvram_type_to_partn( for (i = 0; i < parttbl_rows; i++) { ef10_parttbl_entry_t *entry = &parttbl[i]; - if (entry->nvtype == type && - entry->port == emip->emi_port) { + if ((entry->nvtype == type) && + (entry->port_mask & (1u << emip->emi_port))) { *partnp = entry->partn; return (0); } @@ -2257,8 +2225,8 @@ ef10_nvram_partn_to_type( for (i = 0; i < parttbl_rows; i++) { ef10_parttbl_entry_t *entry = &parttbl[i]; - if (entry->partn == partn && - entry->port == emip->emi_port) { + if ((entry->partn == partn) && + (entry->port_mask & (1u << emip->emi_port))) { *typep = entry->nvtype; return (0); } @@ -2346,16 +2314,27 @@ ef10_nvram_partn_rw_start( __in uint32_t partn, __out size_t *chunk_sizep) { + uint32_t write_size = 0; efx_rc_t rc; - if ((rc = ef10_nvram_partn_lock(enp, partn)) != 0) + if ((rc = efx_mcdi_nvram_info(enp, partn, NULL, NULL, + NULL, &write_size)) != 0) goto fail1; - if (chunk_sizep != NULL) - *chunk_sizep = EF10_NVRAM_CHUNK; + if ((rc = ef10_nvram_partn_lock(enp, partn)) != 0) + goto fail2; + + if (chunk_sizep != NULL) { + if (write_size == 0) + *chunk_sizep = EF10_NVRAM_CHUNK; + else + *chunk_sizep = write_size; + } return (0); +fail2: + EFSYS_PROBE(fail2); fail1: EFSYS_PROBE1(fail1, efx_rc_t, rc); @@ -2365,11 +2344,12 @@ fail1: __checkReturn efx_rc_t ef10_nvram_partn_rw_finish( __in efx_nic_t *enp, - __in uint32_t partn) + __in uint32_t partn, + __out_opt uint32_t *verify_resultp) { efx_rc_t rc; - if ((rc = ef10_nvram_partn_unlock(enp, partn, NULL)) != 0) + if ((rc = ef10_nvram_partn_unlock(enp, partn, verify_resultp)) != 0) goto fail1; return (0); |