[PATCH v8 4/5] ethdev: format module EEPROM for SFF-8472
Andrew Rybchenko
andrew.rybchenko at oktetlabs.ru
Wed May 25 13:58:33 CEST 2022
On 5/25/22 06:14, Robin Zhang wrote:
> This patch implements format module EEPROM information for
> SFF-8472 Rev 12.0
>
> Signed-off-by: Robin Zhang <robinx.zhang at intel.com>
[snip]
> diff --git a/lib/ethdev/sff_8472.c b/lib/ethdev/sff_8472.c
> new file mode 100644
> index 0000000000..98e31e9262
> --- /dev/null
> +++ b/lib/ethdev/sff_8472.c
> @@ -0,0 +1,286 @@
> +/* SPDX-License-Identifier: BSD-3-Clause
> + * Copyright(c) 2022 Intel Corporation
> + *
> + * Implements SFF-8472 optics diagnostics.
> + *
> + */
> +
> +#include <stdio.h>
> +#include <math.h>
> +#include <rte_mbuf.h>
> +#include <rte_ethdev.h>
> +#include <rte_flow.h>
> +#include "sff_common.h"
> +#include "ethdev_sff_telemetry.h"
Please, fix includes in accordance with previous patches
review notes.
> +
> +/* Offsets in decimal, for direct comparison with the SFF specs */
> +
> +/* A0-based EEPROM offsets for DOM support checks */
> +#define SFF_A0_DOM 92
> +#define SFF_A0_OPTIONS 93
> +#define SFF_A0_COMP 94
> +
> +/* EEPROM bit values for various registers */
> +#define SFF_A0_DOM_EXTCAL (1 << 4)
> +#define SFF_A0_DOM_INTCAL (1 << 5)
> +#define SFF_A0_DOM_IMPL (1 << 6)
> +#define SFF_A0_DOM_PWRT (1 << 3)
> +
> +#define SFF_A0_OPTIONS_AW (1 << 7)
RTE_BIT32 ?
> +
> +/*
> + * This is the offset at which the A2 page is in the EEPROM
> + * blob returned by the kernel.
> + */
> +#define SFF_A2_BASE 0x100
> +
> +/* A2-based offsets for DOM */
> +#define SFF_A2_TEMP 96
> +#define SFF_A2_TEMP_HALRM 0
> +#define SFF_A2_TEMP_LALRM 2
> +#define SFF_A2_TEMP_HWARN 4
> +#define SFF_A2_TEMP_LWARN 6
> +
> +#define SFF_A2_VCC 98
> +#define SFF_A2_VCC_HALRM 8
> +#define SFF_A2_VCC_LALRM 10
> +#define SFF_A2_VCC_HWARN 12
> +#define SFF_A2_VCC_LWARN 14
> +
> +#define SFF_A2_BIAS 100
> +#define SFF_A2_BIAS_HALRM 16
> +#define SFF_A2_BIAS_LALRM 18
> +#define SFF_A2_BIAS_HWARN 20
> +#define SFF_A2_BIAS_LWARN 22
> +
> +#define SFF_A2_TX_PWR 102
> +#define SFF_A2_TX_PWR_HALRM 24
> +#define SFF_A2_TX_PWR_LALRM 26
> +#define SFF_A2_TX_PWR_HWARN 28
> +#define SFF_A2_TX_PWR_LWARN 30
> +
> +#define SFF_A2_RX_PWR 104
> +#define SFF_A2_RX_PWR_HALRM 32
> +#define SFF_A2_RX_PWR_LALRM 34
> +#define SFF_A2_RX_PWR_HWARN 36
> +#define SFF_A2_RX_PWR_LWARN 38
> +
> +#define SFF_A2_ALRM_FLG 112
> +#define SFF_A2_WARN_FLG 116
> +
> +/* 32-bit little-endian calibration constants */
> +#define SFF_A2_CAL_RXPWR4 56
> +#define SFF_A2_CAL_RXPWR3 60
> +#define SFF_A2_CAL_RXPWR2 64
> +#define SFF_A2_CAL_RXPWR1 68
> +#define SFF_A2_CAL_RXPWR0 72
> +
> +/* 16-bit little endian calibration constants */
> +#define SFF_A2_CAL_TXI_SLP 76
> +#define SFF_A2_CAL_TXI_OFF 78
> +#define SFF_A2_CAL_TXPWR_SLP 80
> +#define SFF_A2_CAL_TXPWR_OFF 82
> +#define SFF_A2_CAL_T_SLP 84
> +#define SFF_A2_CAL_T_OFF 86
> +#define SFF_A2_CAL_V_SLP 88
> +#define SFF_A2_CAL_V_OFF 90
> +
> +static struct sff_8472_aw_flags {
> + const char *str; /* Human-readable string, null at the end */
> + int offset; /* A2-relative address offset */
> + uint8_t value; /* Alarm is on if (offset & value) != 0. */
> +} sff_8472_aw_flags[] = {
> + { "Laser bias current high alarm", SFF_A2_ALRM_FLG, (1 << 3) },
RTE_BIT32 here and below?
> + { "Laser bias current low alarm", SFF_A2_ALRM_FLG, (1 << 2) },
> + { "Laser bias current high warning", SFF_A2_WARN_FLG, (1 << 3) },
> + { "Laser bias current low warning", SFF_A2_WARN_FLG, (1 << 2) },
> +
> + { "Laser output power high alarm", SFF_A2_ALRM_FLG, (1 << 1) },
> + { "Laser output power low alarm", SFF_A2_ALRM_FLG, (1 << 0) },
> + { "Laser output power high warning", SFF_A2_WARN_FLG, (1 << 1) },
> + { "Laser output power low warning", SFF_A2_WARN_FLG, (1 << 0) },
> +
> + { "Module temperature high alarm", SFF_A2_ALRM_FLG, (1 << 7) },
> + { "Module temperature low alarm", SFF_A2_ALRM_FLG, (1 << 6) },
> + { "Module temperature high warning", SFF_A2_WARN_FLG, (1 << 7) },
> + { "Module temperature low warning", SFF_A2_WARN_FLG, (1 << 6) },
> +
> + { "Module voltage high alarm", SFF_A2_ALRM_FLG, (1 << 5) },
> + { "Module voltage low alarm", SFF_A2_ALRM_FLG, (1 << 4) },
> + { "Module voltage high warning", SFF_A2_WARN_FLG, (1 << 5) },
> + { "Module voltage low warning", SFF_A2_WARN_FLG, (1 << 4) },
> +
> + { "Laser rx power high alarm", SFF_A2_ALRM_FLG + 1, (1 << 7) },
> + { "Laser rx power low alarm", SFF_A2_ALRM_FLG + 1, (1 << 6) },
> + { "Laser rx power high warning", SFF_A2_WARN_FLG + 1, (1 << 7) },
> + { "Laser rx power low warning", SFF_A2_WARN_FLG + 1, (1 << 6) },
> +
> + { NULL, 0, 0 },
> +};
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