cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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sfp.h (16253B)


      1#ifndef LINUX_SFP_H
      2#define LINUX_SFP_H
      3
      4#include <linux/phy.h>
      5
      6struct sfp_eeprom_base {
      7	u8 phys_id;
      8	u8 phys_ext_id;
      9	u8 connector;
     10#if defined __BIG_ENDIAN_BITFIELD
     11	u8 e10g_base_er:1;
     12	u8 e10g_base_lrm:1;
     13	u8 e10g_base_lr:1;
     14	u8 e10g_base_sr:1;
     15	u8 if_1x_sx:1;
     16	u8 if_1x_lx:1;
     17	u8 if_1x_copper_active:1;
     18	u8 if_1x_copper_passive:1;
     19
     20	u8 escon_mmf_1310_led:1;
     21	u8 escon_smf_1310_laser:1;
     22	u8 sonet_oc192_short_reach:1;
     23	u8 sonet_reach_bit1:1;
     24	u8 sonet_reach_bit2:1;
     25	u8 sonet_oc48_long_reach:1;
     26	u8 sonet_oc48_intermediate_reach:1;
     27	u8 sonet_oc48_short_reach:1;
     28
     29	u8 unallocated_5_7:1;
     30	u8 sonet_oc12_smf_long_reach:1;
     31	u8 sonet_oc12_smf_intermediate_reach:1;
     32	u8 sonet_oc12_short_reach:1;
     33	u8 unallocated_5_3:1;
     34	u8 sonet_oc3_smf_long_reach:1;
     35	u8 sonet_oc3_smf_intermediate_reach:1;
     36	u8 sonet_oc3_short_reach:1;
     37
     38	u8 e_base_px:1;
     39	u8 e_base_bx10:1;
     40	u8 e100_base_fx:1;
     41	u8 e100_base_lx:1;
     42	u8 e1000_base_t:1;
     43	u8 e1000_base_cx:1;
     44	u8 e1000_base_lx:1;
     45	u8 e1000_base_sx:1;
     46
     47	u8 fc_ll_v:1;
     48	u8 fc_ll_s:1;
     49	u8 fc_ll_i:1;
     50	u8 fc_ll_l:1;
     51	u8 fc_ll_m:1;
     52	u8 fc_tech_sa:1;
     53	u8 fc_tech_lc:1;
     54	u8 fc_tech_electrical_inter_enclosure:1;
     55
     56	u8 fc_tech_electrical_intra_enclosure:1;
     57	u8 fc_tech_sn:1;
     58	u8 fc_tech_sl:1;
     59	u8 fc_tech_ll:1;
     60	u8 sfp_ct_active:1;
     61	u8 sfp_ct_passive:1;
     62	u8 unallocated_8_1:1;
     63	u8 unallocated_8_0:1;
     64
     65	u8 fc_media_tw:1;
     66	u8 fc_media_tp:1;
     67	u8 fc_media_mi:1;
     68	u8 fc_media_tv:1;
     69	u8 fc_media_m6:1;
     70	u8 fc_media_m5:1;
     71	u8 unallocated_9_1:1;
     72	u8 fc_media_sm:1;
     73
     74	u8 fc_speed_1200:1;
     75	u8 fc_speed_800:1;
     76	u8 fc_speed_1600:1;
     77	u8 fc_speed_400:1;
     78	u8 fc_speed_3200:1;
     79	u8 fc_speed_200:1;
     80	u8 unallocated_10_1:1;
     81	u8 fc_speed_100:1;
     82#elif defined __LITTLE_ENDIAN_BITFIELD
     83	u8 if_1x_copper_passive:1;
     84	u8 if_1x_copper_active:1;
     85	u8 if_1x_lx:1;
     86	u8 if_1x_sx:1;
     87	u8 e10g_base_sr:1;
     88	u8 e10g_base_lr:1;
     89	u8 e10g_base_lrm:1;
     90	u8 e10g_base_er:1;
     91
     92	u8 sonet_oc3_short_reach:1;
     93	u8 sonet_oc3_smf_intermediate_reach:1;
     94	u8 sonet_oc3_smf_long_reach:1;
     95	u8 unallocated_5_3:1;
     96	u8 sonet_oc12_short_reach:1;
     97	u8 sonet_oc12_smf_intermediate_reach:1;
     98	u8 sonet_oc12_smf_long_reach:1;
     99	u8 unallocated_5_7:1;
    100
    101	u8 sonet_oc48_short_reach:1;
    102	u8 sonet_oc48_intermediate_reach:1;
    103	u8 sonet_oc48_long_reach:1;
    104	u8 sonet_reach_bit2:1;
    105	u8 sonet_reach_bit1:1;
    106	u8 sonet_oc192_short_reach:1;
    107	u8 escon_smf_1310_laser:1;
    108	u8 escon_mmf_1310_led:1;
    109
    110	u8 e1000_base_sx:1;
    111	u8 e1000_base_lx:1;
    112	u8 e1000_base_cx:1;
    113	u8 e1000_base_t:1;
    114	u8 e100_base_lx:1;
    115	u8 e100_base_fx:1;
    116	u8 e_base_bx10:1;
    117	u8 e_base_px:1;
    118
    119	u8 fc_tech_electrical_inter_enclosure:1;
    120	u8 fc_tech_lc:1;
    121	u8 fc_tech_sa:1;
    122	u8 fc_ll_m:1;
    123	u8 fc_ll_l:1;
    124	u8 fc_ll_i:1;
    125	u8 fc_ll_s:1;
    126	u8 fc_ll_v:1;
    127
    128	u8 unallocated_8_0:1;
    129	u8 unallocated_8_1:1;
    130	u8 sfp_ct_passive:1;
    131	u8 sfp_ct_active:1;
    132	u8 fc_tech_ll:1;
    133	u8 fc_tech_sl:1;
    134	u8 fc_tech_sn:1;
    135	u8 fc_tech_electrical_intra_enclosure:1;
    136
    137	u8 fc_media_sm:1;
    138	u8 unallocated_9_1:1;
    139	u8 fc_media_m5:1;
    140	u8 fc_media_m6:1;
    141	u8 fc_media_tv:1;
    142	u8 fc_media_mi:1;
    143	u8 fc_media_tp:1;
    144	u8 fc_media_tw:1;
    145
    146	u8 fc_speed_100:1;
    147	u8 unallocated_10_1:1;
    148	u8 fc_speed_200:1;
    149	u8 fc_speed_3200:1;
    150	u8 fc_speed_400:1;
    151	u8 fc_speed_1600:1;
    152	u8 fc_speed_800:1;
    153	u8 fc_speed_1200:1;
    154#else
    155#error Unknown Endian
    156#endif
    157	u8 encoding;
    158	u8 br_nominal;
    159	u8 rate_id;
    160	u8 link_len[6];
    161	char vendor_name[16];
    162	u8 extended_cc;
    163	char vendor_oui[3];
    164	char vendor_pn[16];
    165	char vendor_rev[4];
    166	union {
    167		__be16 optical_wavelength;
    168		__be16 cable_compliance;
    169		struct {
    170#if defined __BIG_ENDIAN_BITFIELD
    171			u8 reserved60_2:6;
    172			u8 fc_pi_4_app_h:1;
    173			u8 sff8431_app_e:1;
    174			u8 reserved61:8;
    175#elif defined __LITTLE_ENDIAN_BITFIELD
    176			u8 sff8431_app_e:1;
    177			u8 fc_pi_4_app_h:1;
    178			u8 reserved60_2:6;
    179			u8 reserved61:8;
    180#else
    181#error Unknown Endian
    182#endif
    183		} __packed passive;
    184		struct {
    185#if defined __BIG_ENDIAN_BITFIELD
    186			u8 reserved60_4:4;
    187			u8 fc_pi_4_lim:1;
    188			u8 sff8431_lim:1;
    189			u8 fc_pi_4_app_h:1;
    190			u8 sff8431_app_e:1;
    191			u8 reserved61:8;
    192#elif defined __LITTLE_ENDIAN_BITFIELD
    193			u8 sff8431_app_e:1;
    194			u8 fc_pi_4_app_h:1;
    195			u8 sff8431_lim:1;
    196			u8 fc_pi_4_lim:1;
    197			u8 reserved60_4:4;
    198			u8 reserved61:8;
    199#else
    200#error Unknown Endian
    201#endif
    202		} __packed active;
    203	} __packed;
    204	u8 reserved62;
    205	u8 cc_base;
    206} __packed;
    207
    208struct sfp_eeprom_ext {
    209	__be16 options;
    210	u8 br_max;
    211	u8 br_min;
    212	char vendor_sn[16];
    213	char datecode[8];
    214	u8 diagmon;
    215	u8 enhopts;
    216	u8 sff8472_compliance;
    217	u8 cc_ext;
    218} __packed;
    219
    220/**
    221 * struct sfp_eeprom_id - raw SFP module identification information
    222 * @base: base SFP module identification structure
    223 * @ext: extended SFP module identification structure
    224 *
    225 * See the SFF-8472 specification and related documents for the definition
    226 * of these structure members. This can be obtained from
    227 * https://www.snia.org/technology-communities/sff/specifications
    228 */
    229struct sfp_eeprom_id {
    230	struct sfp_eeprom_base base;
    231	struct sfp_eeprom_ext ext;
    232} __packed;
    233
    234struct sfp_diag {
    235	__be16 temp_high_alarm;
    236	__be16 temp_low_alarm;
    237	__be16 temp_high_warn;
    238	__be16 temp_low_warn;
    239	__be16 volt_high_alarm;
    240	__be16 volt_low_alarm;
    241	__be16 volt_high_warn;
    242	__be16 volt_low_warn;
    243	__be16 bias_high_alarm;
    244	__be16 bias_low_alarm;
    245	__be16 bias_high_warn;
    246	__be16 bias_low_warn;
    247	__be16 txpwr_high_alarm;
    248	__be16 txpwr_low_alarm;
    249	__be16 txpwr_high_warn;
    250	__be16 txpwr_low_warn;
    251	__be16 rxpwr_high_alarm;
    252	__be16 rxpwr_low_alarm;
    253	__be16 rxpwr_high_warn;
    254	__be16 rxpwr_low_warn;
    255	__be16 laser_temp_high_alarm;
    256	__be16 laser_temp_low_alarm;
    257	__be16 laser_temp_high_warn;
    258	__be16 laser_temp_low_warn;
    259	__be16 tec_cur_high_alarm;
    260	__be16 tec_cur_low_alarm;
    261	__be16 tec_cur_high_warn;
    262	__be16 tec_cur_low_warn;
    263	__be32 cal_rxpwr4;
    264	__be32 cal_rxpwr3;
    265	__be32 cal_rxpwr2;
    266	__be32 cal_rxpwr1;
    267	__be32 cal_rxpwr0;
    268	__be16 cal_txi_slope;
    269	__be16 cal_txi_offset;
    270	__be16 cal_txpwr_slope;
    271	__be16 cal_txpwr_offset;
    272	__be16 cal_t_slope;
    273	__be16 cal_t_offset;
    274	__be16 cal_v_slope;
    275	__be16 cal_v_offset;
    276} __packed;
    277
    278/* SFF8024 defined constants */
    279enum {
    280	SFF8024_ID_UNK			= 0x00,
    281	SFF8024_ID_SFF_8472		= 0x02,
    282	SFF8024_ID_SFP			= 0x03,
    283	SFF8024_ID_DWDM_SFP		= 0x0b,
    284	SFF8024_ID_QSFP_8438		= 0x0c,
    285	SFF8024_ID_QSFP_8436_8636	= 0x0d,
    286	SFF8024_ID_QSFP28_8636		= 0x11,
    287
    288	SFF8024_ENCODING_UNSPEC		= 0x00,
    289	SFF8024_ENCODING_8B10B		= 0x01,
    290	SFF8024_ENCODING_4B5B		= 0x02,
    291	SFF8024_ENCODING_NRZ		= 0x03,
    292	SFF8024_ENCODING_8472_MANCHESTER= 0x04,
    293	SFF8024_ENCODING_8472_SONET	= 0x05,
    294	SFF8024_ENCODING_8472_64B66B	= 0x06,
    295	SFF8024_ENCODING_8436_MANCHESTER= 0x06,
    296	SFF8024_ENCODING_8436_SONET	= 0x04,
    297	SFF8024_ENCODING_8436_64B66B	= 0x05,
    298	SFF8024_ENCODING_256B257B	= 0x07,
    299	SFF8024_ENCODING_PAM4		= 0x08,
    300
    301	SFF8024_CONNECTOR_UNSPEC	= 0x00,
    302	/* codes 01-05 not supportable on SFP, but some modules have single SC */
    303	SFF8024_CONNECTOR_SC		= 0x01,
    304	SFF8024_CONNECTOR_FIBERJACK	= 0x06,
    305	SFF8024_CONNECTOR_LC		= 0x07,
    306	SFF8024_CONNECTOR_MT_RJ		= 0x08,
    307	SFF8024_CONNECTOR_MU		= 0x09,
    308	SFF8024_CONNECTOR_SG		= 0x0a,
    309	SFF8024_CONNECTOR_OPTICAL_PIGTAIL= 0x0b,
    310	SFF8024_CONNECTOR_MPO_1X12	= 0x0c,
    311	SFF8024_CONNECTOR_MPO_2X16	= 0x0d,
    312	SFF8024_CONNECTOR_HSSDC_II	= 0x20,
    313	SFF8024_CONNECTOR_COPPER_PIGTAIL= 0x21,
    314	SFF8024_CONNECTOR_RJ45		= 0x22,
    315	SFF8024_CONNECTOR_NOSEPARATE	= 0x23,
    316	SFF8024_CONNECTOR_MXC_2X16	= 0x24,
    317
    318	SFF8024_ECC_UNSPEC		= 0x00,
    319	SFF8024_ECC_100G_25GAUI_C2M_AOC	= 0x01,
    320	SFF8024_ECC_100GBASE_SR4_25GBASE_SR = 0x02,
    321	SFF8024_ECC_100GBASE_LR4_25GBASE_LR = 0x03,
    322	SFF8024_ECC_100GBASE_ER4_25GBASE_ER = 0x04,
    323	SFF8024_ECC_100GBASE_SR10	= 0x05,
    324	SFF8024_ECC_100GBASE_CR4	= 0x0b,
    325	SFF8024_ECC_25GBASE_CR_S	= 0x0c,
    326	SFF8024_ECC_25GBASE_CR_N	= 0x0d,
    327	SFF8024_ECC_10GBASE_T_SFI	= 0x16,
    328	SFF8024_ECC_10GBASE_T_SR	= 0x1c,
    329	SFF8024_ECC_5GBASE_T		= 0x1d,
    330	SFF8024_ECC_2_5GBASE_T		= 0x1e,
    331};
    332
    333/* SFP EEPROM registers */
    334enum {
    335	SFP_PHYS_ID			= 0x00,
    336	SFP_PHYS_EXT_ID			= 0x01,
    337	SFP_CONNECTOR			= 0x02,
    338	SFP_COMPLIANCE			= 0x03,
    339	SFP_ENCODING			= 0x0b,
    340	SFP_BR_NOMINAL			= 0x0c,
    341	SFP_RATE_ID			= 0x0d,
    342	SFP_LINK_LEN_SM_KM		= 0x0e,
    343	SFP_LINK_LEN_SM_100M		= 0x0f,
    344	SFP_LINK_LEN_50UM_OM2_10M	= 0x10,
    345	SFP_LINK_LEN_62_5UM_OM1_10M	= 0x11,
    346	SFP_LINK_LEN_COPPER_1M		= 0x12,
    347	SFP_LINK_LEN_50UM_OM4_10M	= 0x12,
    348	SFP_LINK_LEN_50UM_OM3_10M	= 0x13,
    349	SFP_VENDOR_NAME			= 0x14,
    350	SFP_VENDOR_OUI			= 0x25,
    351	SFP_VENDOR_PN			= 0x28,
    352	SFP_VENDOR_REV			= 0x38,
    353	SFP_OPTICAL_WAVELENGTH_MSB	= 0x3c,
    354	SFP_OPTICAL_WAVELENGTH_LSB	= 0x3d,
    355	SFP_CABLE_SPEC			= 0x3c,
    356	SFP_CC_BASE			= 0x3f,
    357	SFP_OPTIONS			= 0x40,	/* 2 bytes, MSB, LSB */
    358	SFP_BR_MAX			= 0x42,
    359	SFP_BR_MIN			= 0x43,
    360	SFP_VENDOR_SN			= 0x44,
    361	SFP_DATECODE			= 0x54,
    362	SFP_DIAGMON			= 0x5c,
    363	SFP_ENHOPTS			= 0x5d,
    364	SFP_SFF8472_COMPLIANCE		= 0x5e,
    365	SFP_CC_EXT			= 0x5f,
    366
    367	SFP_PHYS_EXT_ID_SFP		= 0x04,
    368	SFP_OPTIONS_HIGH_POWER_LEVEL	= BIT(13),
    369	SFP_OPTIONS_PAGING_A2		= BIT(12),
    370	SFP_OPTIONS_RETIMER		= BIT(11),
    371	SFP_OPTIONS_COOLED_XCVR		= BIT(10),
    372	SFP_OPTIONS_POWER_DECL		= BIT(9),
    373	SFP_OPTIONS_RX_LINEAR_OUT	= BIT(8),
    374	SFP_OPTIONS_RX_DECISION_THRESH	= BIT(7),
    375	SFP_OPTIONS_TUNABLE_TX		= BIT(6),
    376	SFP_OPTIONS_RATE_SELECT		= BIT(5),
    377	SFP_OPTIONS_TX_DISABLE		= BIT(4),
    378	SFP_OPTIONS_TX_FAULT		= BIT(3),
    379	SFP_OPTIONS_LOS_INVERTED	= BIT(2),
    380	SFP_OPTIONS_LOS_NORMAL		= BIT(1),
    381	SFP_DIAGMON_DDM			= BIT(6),
    382	SFP_DIAGMON_INT_CAL		= BIT(5),
    383	SFP_DIAGMON_EXT_CAL		= BIT(4),
    384	SFP_DIAGMON_RXPWR_AVG		= BIT(3),
    385	SFP_DIAGMON_ADDRMODE		= BIT(2),
    386	SFP_ENHOPTS_ALARMWARN		= BIT(7),
    387	SFP_ENHOPTS_SOFT_TX_DISABLE	= BIT(6),
    388	SFP_ENHOPTS_SOFT_TX_FAULT	= BIT(5),
    389	SFP_ENHOPTS_SOFT_RX_LOS		= BIT(4),
    390	SFP_ENHOPTS_SOFT_RATE_SELECT	= BIT(3),
    391	SFP_ENHOPTS_APP_SELECT_SFF8079	= BIT(2),
    392	SFP_ENHOPTS_SOFT_RATE_SFF8431	= BIT(1),
    393	SFP_SFF8472_COMPLIANCE_NONE	= 0x00,
    394	SFP_SFF8472_COMPLIANCE_REV9_3	= 0x01,
    395	SFP_SFF8472_COMPLIANCE_REV9_5	= 0x02,
    396	SFP_SFF8472_COMPLIANCE_REV10_2	= 0x03,
    397	SFP_SFF8472_COMPLIANCE_REV10_4	= 0x04,
    398	SFP_SFF8472_COMPLIANCE_REV11_0	= 0x05,
    399	SFP_SFF8472_COMPLIANCE_REV11_3	= 0x06,
    400	SFP_SFF8472_COMPLIANCE_REV11_4	= 0x07,
    401	SFP_SFF8472_COMPLIANCE_REV12_0	= 0x08,
    402};
    403
    404/* SFP Diagnostics */
    405enum {
    406	/* Alarm and warnings stored MSB at lower address then LSB */
    407	SFP_TEMP_HIGH_ALARM		= 0x00,
    408	SFP_TEMP_LOW_ALARM		= 0x02,
    409	SFP_TEMP_HIGH_WARN		= 0x04,
    410	SFP_TEMP_LOW_WARN		= 0x06,
    411	SFP_VOLT_HIGH_ALARM		= 0x08,
    412	SFP_VOLT_LOW_ALARM		= 0x0a,
    413	SFP_VOLT_HIGH_WARN		= 0x0c,
    414	SFP_VOLT_LOW_WARN		= 0x0e,
    415	SFP_BIAS_HIGH_ALARM		= 0x10,
    416	SFP_BIAS_LOW_ALARM		= 0x12,
    417	SFP_BIAS_HIGH_WARN		= 0x14,
    418	SFP_BIAS_LOW_WARN		= 0x16,
    419	SFP_TXPWR_HIGH_ALARM		= 0x18,
    420	SFP_TXPWR_LOW_ALARM		= 0x1a,
    421	SFP_TXPWR_HIGH_WARN		= 0x1c,
    422	SFP_TXPWR_LOW_WARN		= 0x1e,
    423	SFP_RXPWR_HIGH_ALARM		= 0x20,
    424	SFP_RXPWR_LOW_ALARM		= 0x22,
    425	SFP_RXPWR_HIGH_WARN		= 0x24,
    426	SFP_RXPWR_LOW_WARN		= 0x26,
    427	SFP_LASER_TEMP_HIGH_ALARM	= 0x28,
    428	SFP_LASER_TEMP_LOW_ALARM	= 0x2a,
    429	SFP_LASER_TEMP_HIGH_WARN	= 0x2c,
    430	SFP_LASER_TEMP_LOW_WARN		= 0x2e,
    431	SFP_TEC_CUR_HIGH_ALARM		= 0x30,
    432	SFP_TEC_CUR_LOW_ALARM		= 0x32,
    433	SFP_TEC_CUR_HIGH_WARN		= 0x34,
    434	SFP_TEC_CUR_LOW_WARN		= 0x36,
    435	SFP_CAL_RXPWR4			= 0x38,
    436	SFP_CAL_RXPWR3			= 0x3c,
    437	SFP_CAL_RXPWR2			= 0x40,
    438	SFP_CAL_RXPWR1			= 0x44,
    439	SFP_CAL_RXPWR0			= 0x48,
    440	SFP_CAL_TXI_SLOPE		= 0x4c,
    441	SFP_CAL_TXI_OFFSET		= 0x4e,
    442	SFP_CAL_TXPWR_SLOPE		= 0x50,
    443	SFP_CAL_TXPWR_OFFSET		= 0x52,
    444	SFP_CAL_T_SLOPE			= 0x54,
    445	SFP_CAL_T_OFFSET		= 0x56,
    446	SFP_CAL_V_SLOPE			= 0x58,
    447	SFP_CAL_V_OFFSET		= 0x5a,
    448	SFP_CHKSUM			= 0x5f,
    449
    450	SFP_TEMP			= 0x60,
    451	SFP_VCC				= 0x62,
    452	SFP_TX_BIAS			= 0x64,
    453	SFP_TX_POWER			= 0x66,
    454	SFP_RX_POWER			= 0x68,
    455	SFP_LASER_TEMP			= 0x6a,
    456	SFP_TEC_CUR			= 0x6c,
    457
    458	SFP_STATUS			= 0x6e,
    459	SFP_STATUS_TX_DISABLE		= BIT(7),
    460	SFP_STATUS_TX_DISABLE_FORCE	= BIT(6),
    461	SFP_STATUS_TX_FAULT		= BIT(2),
    462	SFP_STATUS_RX_LOS		= BIT(1),
    463	SFP_ALARM0			= 0x70,
    464	SFP_ALARM0_TEMP_HIGH		= BIT(7),
    465	SFP_ALARM0_TEMP_LOW		= BIT(6),
    466	SFP_ALARM0_VCC_HIGH		= BIT(5),
    467	SFP_ALARM0_VCC_LOW		= BIT(4),
    468	SFP_ALARM0_TX_BIAS_HIGH		= BIT(3),
    469	SFP_ALARM0_TX_BIAS_LOW		= BIT(2),
    470	SFP_ALARM0_TXPWR_HIGH		= BIT(1),
    471	SFP_ALARM0_TXPWR_LOW		= BIT(0),
    472
    473	SFP_ALARM1			= 0x71,
    474	SFP_ALARM1_RXPWR_HIGH		= BIT(7),
    475	SFP_ALARM1_RXPWR_LOW		= BIT(6),
    476
    477	SFP_WARN0			= 0x74,
    478	SFP_WARN0_TEMP_HIGH		= BIT(7),
    479	SFP_WARN0_TEMP_LOW		= BIT(6),
    480	SFP_WARN0_VCC_HIGH		= BIT(5),
    481	SFP_WARN0_VCC_LOW		= BIT(4),
    482	SFP_WARN0_TX_BIAS_HIGH		= BIT(3),
    483	SFP_WARN0_TX_BIAS_LOW		= BIT(2),
    484	SFP_WARN0_TXPWR_HIGH		= BIT(1),
    485	SFP_WARN0_TXPWR_LOW		= BIT(0),
    486
    487	SFP_WARN1			= 0x75,
    488	SFP_WARN1_RXPWR_HIGH		= BIT(7),
    489	SFP_WARN1_RXPWR_LOW		= BIT(6),
    490
    491	SFP_EXT_STATUS			= 0x76,
    492	SFP_VSL				= 0x78,
    493	SFP_PAGE			= 0x7f,
    494};
    495
    496struct fwnode_handle;
    497struct ethtool_eeprom;
    498struct ethtool_modinfo;
    499struct sfp_bus;
    500
    501/**
    502 * struct sfp_upstream_ops - upstream operations structure
    503 * @attach: called when the sfp socket driver is bound to the upstream
    504 *   (mandatory).
    505 * @detach: called when the sfp socket driver is unbound from the upstream
    506 *   (mandatory).
    507 * @module_insert: called after a module has been detected to determine
    508 *   whether the module is supported for the upstream device.
    509 * @module_remove: called after the module has been removed.
    510 * @module_start: called after the PHY probe step
    511 * @module_stop: called before the PHY is removed
    512 * @link_down: called when the link is non-operational for whatever
    513 *   reason.
    514 * @link_up: called when the link is operational.
    515 * @connect_phy: called when an I2C accessible PHY has been detected
    516 *   on the module.
    517 * @disconnect_phy: called when a module with an I2C accessible PHY has
    518 *   been removed.
    519 */
    520struct sfp_upstream_ops {
    521	void (*attach)(void *priv, struct sfp_bus *bus);
    522	void (*detach)(void *priv, struct sfp_bus *bus);
    523	int (*module_insert)(void *priv, const struct sfp_eeprom_id *id);
    524	void (*module_remove)(void *priv);
    525	int (*module_start)(void *priv);
    526	void (*module_stop)(void *priv);
    527	void (*link_down)(void *priv);
    528	void (*link_up)(void *priv);
    529	int (*connect_phy)(void *priv, struct phy_device *);
    530	void (*disconnect_phy)(void *priv);
    531};
    532
    533#if IS_ENABLED(CONFIG_SFP)
    534int sfp_parse_port(struct sfp_bus *bus, const struct sfp_eeprom_id *id,
    535		   unsigned long *support);
    536bool sfp_may_have_phy(struct sfp_bus *bus, const struct sfp_eeprom_id *id);
    537void sfp_parse_support(struct sfp_bus *bus, const struct sfp_eeprom_id *id,
    538		       unsigned long *support);
    539phy_interface_t sfp_select_interface(struct sfp_bus *bus,
    540				     unsigned long *link_modes);
    541
    542int sfp_get_module_info(struct sfp_bus *bus, struct ethtool_modinfo *modinfo);
    543int sfp_get_module_eeprom(struct sfp_bus *bus, struct ethtool_eeprom *ee,
    544			  u8 *data);
    545int sfp_get_module_eeprom_by_page(struct sfp_bus *bus,
    546				  const struct ethtool_module_eeprom *page,
    547				  struct netlink_ext_ack *extack);
    548void sfp_upstream_start(struct sfp_bus *bus);
    549void sfp_upstream_stop(struct sfp_bus *bus);
    550void sfp_bus_put(struct sfp_bus *bus);
    551struct sfp_bus *sfp_bus_find_fwnode(struct fwnode_handle *fwnode);
    552int sfp_bus_add_upstream(struct sfp_bus *bus, void *upstream,
    553			 const struct sfp_upstream_ops *ops);
    554void sfp_bus_del_upstream(struct sfp_bus *bus);
    555#else
    556static inline int sfp_parse_port(struct sfp_bus *bus,
    557				 const struct sfp_eeprom_id *id,
    558				 unsigned long *support)
    559{
    560	return PORT_OTHER;
    561}
    562
    563static inline bool sfp_may_have_phy(struct sfp_bus *bus,
    564				    const struct sfp_eeprom_id *id)
    565{
    566	return false;
    567}
    568
    569static inline void sfp_parse_support(struct sfp_bus *bus,
    570				     const struct sfp_eeprom_id *id,
    571				     unsigned long *support)
    572{
    573}
    574
    575static inline phy_interface_t sfp_select_interface(struct sfp_bus *bus,
    576						   unsigned long *link_modes)
    577{
    578	return PHY_INTERFACE_MODE_NA;
    579}
    580
    581static inline int sfp_get_module_info(struct sfp_bus *bus,
    582				      struct ethtool_modinfo *modinfo)
    583{
    584	return -EOPNOTSUPP;
    585}
    586
    587static inline int sfp_get_module_eeprom(struct sfp_bus *bus,
    588					struct ethtool_eeprom *ee, u8 *data)
    589{
    590	return -EOPNOTSUPP;
    591}
    592
    593static inline int sfp_get_module_eeprom_by_page(struct sfp_bus *bus,
    594						const struct ethtool_module_eeprom *page,
    595						struct netlink_ext_ack *extack)
    596{
    597	return -EOPNOTSUPP;
    598}
    599
    600static inline void sfp_upstream_start(struct sfp_bus *bus)
    601{
    602}
    603
    604static inline void sfp_upstream_stop(struct sfp_bus *bus)
    605{
    606}
    607
    608static inline void sfp_bus_put(struct sfp_bus *bus)
    609{
    610}
    611
    612static inline struct sfp_bus *sfp_bus_find_fwnode(struct fwnode_handle *fwnode)
    613{
    614	return NULL;
    615}
    616
    617static inline int sfp_bus_add_upstream(struct sfp_bus *bus, void *upstream,
    618				       const struct sfp_upstream_ops *ops)
    619{
    620	return 0;
    621}
    622
    623static inline void sfp_bus_del_upstream(struct sfp_bus *bus)
    624{
    625}
    626#endif
    627
    628#endif