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OpenCloudOS-Kernel/include/linux/sfp.h

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#ifndef LINUX_SFP_H
#define LINUX_SFP_H
#include <linux/phy.h>
struct sfp_eeprom_base {
u8 phys_id;
u8 phys_ext_id;
u8 connector;
#if defined __BIG_ENDIAN_BITFIELD
u8 e10g_base_er:1;
u8 e10g_base_lrm:1;
u8 e10g_base_lr:1;
u8 e10g_base_sr:1;
u8 if_1x_sx:1;
u8 if_1x_lx:1;
u8 if_1x_copper_active:1;
u8 if_1x_copper_passive:1;
u8 escon_mmf_1310_led:1;
u8 escon_smf_1310_laser:1;
u8 sonet_oc192_short_reach:1;
u8 sonet_reach_bit1:1;
u8 sonet_reach_bit2:1;
u8 sonet_oc48_long_reach:1;
u8 sonet_oc48_intermediate_reach:1;
u8 sonet_oc48_short_reach:1;
u8 unallocated_5_7:1;
u8 sonet_oc12_smf_long_reach:1;
u8 sonet_oc12_smf_intermediate_reach:1;
u8 sonet_oc12_short_reach:1;
u8 unallocated_5_3:1;
u8 sonet_oc3_smf_long_reach:1;
u8 sonet_oc3_smf_intermediate_reach:1;
u8 sonet_oc3_short_reach:1;
u8 e_base_px:1;
u8 e_base_bx10:1;
u8 e100_base_fx:1;
u8 e100_base_lx:1;
u8 e1000_base_t:1;
u8 e1000_base_cx:1;
u8 e1000_base_lx:1;
u8 e1000_base_sx:1;
u8 fc_ll_v:1;
u8 fc_ll_s:1;
u8 fc_ll_i:1;
u8 fc_ll_l:1;
u8 fc_ll_m:1;
u8 fc_tech_sa:1;
u8 fc_tech_lc:1;
u8 fc_tech_electrical_inter_enclosure:1;
u8 fc_tech_electrical_intra_enclosure:1;
u8 fc_tech_sn:1;
u8 fc_tech_sl:1;
u8 fc_tech_ll:1;
u8 sfp_ct_active:1;
u8 sfp_ct_passive:1;
u8 unallocated_8_1:1;
u8 unallocated_8_0:1;
u8 fc_media_tw:1;
u8 fc_media_tp:1;
u8 fc_media_mi:1;
u8 fc_media_tv:1;
u8 fc_media_m6:1;
u8 fc_media_m5:1;
u8 unallocated_9_1:1;
u8 fc_media_sm:1;
u8 fc_speed_1200:1;
u8 fc_speed_800:1;
u8 fc_speed_1600:1;
u8 fc_speed_400:1;
u8 fc_speed_3200:1;
u8 fc_speed_200:1;
u8 unallocated_10_1:1;
u8 fc_speed_100:1;
#elif defined __LITTLE_ENDIAN_BITFIELD
u8 if_1x_copper_passive:1;
u8 if_1x_copper_active:1;
u8 if_1x_lx:1;
u8 if_1x_sx:1;
u8 e10g_base_sr:1;
u8 e10g_base_lr:1;
u8 e10g_base_lrm:1;
u8 e10g_base_er:1;
u8 sonet_oc3_short_reach:1;
u8 sonet_oc3_smf_intermediate_reach:1;
u8 sonet_oc3_smf_long_reach:1;
u8 unallocated_5_3:1;
u8 sonet_oc12_short_reach:1;
u8 sonet_oc12_smf_intermediate_reach:1;
u8 sonet_oc12_smf_long_reach:1;
u8 unallocated_5_7:1;
u8 sonet_oc48_short_reach:1;
u8 sonet_oc48_intermediate_reach:1;
u8 sonet_oc48_long_reach:1;
u8 sonet_reach_bit2:1;
u8 sonet_reach_bit1:1;
u8 sonet_oc192_short_reach:1;
u8 escon_smf_1310_laser:1;
u8 escon_mmf_1310_led:1;
u8 e1000_base_sx:1;
u8 e1000_base_lx:1;
u8 e1000_base_cx:1;
u8 e1000_base_t:1;
u8 e100_base_lx:1;
u8 e100_base_fx:1;
u8 e_base_bx10:1;
u8 e_base_px:1;
u8 fc_tech_electrical_inter_enclosure:1;
u8 fc_tech_lc:1;
u8 fc_tech_sa:1;
u8 fc_ll_m:1;
u8 fc_ll_l:1;
u8 fc_ll_i:1;
u8 fc_ll_s:1;
u8 fc_ll_v:1;
u8 unallocated_8_0:1;
u8 unallocated_8_1:1;
u8 sfp_ct_passive:1;
u8 sfp_ct_active:1;
u8 fc_tech_ll:1;
u8 fc_tech_sl:1;
u8 fc_tech_sn:1;
u8 fc_tech_electrical_intra_enclosure:1;
u8 fc_media_sm:1;
u8 unallocated_9_1:1;
u8 fc_media_m5:1;
u8 fc_media_m6:1;
u8 fc_media_tv:1;
u8 fc_media_mi:1;
u8 fc_media_tp:1;
u8 fc_media_tw:1;
u8 fc_speed_100:1;
u8 unallocated_10_1:1;
u8 fc_speed_200:1;
u8 fc_speed_3200:1;
u8 fc_speed_400:1;
u8 fc_speed_1600:1;
u8 fc_speed_800:1;
u8 fc_speed_1200:1;
#else
#error Unknown Endian
#endif
u8 encoding;
u8 br_nominal;
u8 rate_id;
u8 link_len[6];
char vendor_name[16];
u8 extended_cc;
char vendor_oui[3];
char vendor_pn[16];
char vendor_rev[4];
union {
__be16 optical_wavelength;
__be16 cable_compliance;
struct {
#if defined __BIG_ENDIAN_BITFIELD
u8 reserved60_2:6;
u8 fc_pi_4_app_h:1;
u8 sff8431_app_e:1;
u8 reserved61:8;
#elif defined __LITTLE_ENDIAN_BITFIELD
u8 sff8431_app_e:1;
u8 fc_pi_4_app_h:1;
u8 reserved60_2:6;
u8 reserved61:8;
#else
#error Unknown Endian
#endif
} __packed passive;
struct {
#if defined __BIG_ENDIAN_BITFIELD
u8 reserved60_4:4;
u8 fc_pi_4_lim:1;
u8 sff8431_lim:1;
u8 fc_pi_4_app_h:1;
u8 sff8431_app_e:1;
u8 reserved61:8;
#elif defined __LITTLE_ENDIAN_BITFIELD
u8 sff8431_app_e:1;
u8 fc_pi_4_app_h:1;
u8 sff8431_lim:1;
u8 fc_pi_4_lim:1;
u8 reserved60_4:4;
u8 reserved61:8;
#else
#error Unknown Endian
#endif
} __packed active;
} __packed;
u8 reserved62;
u8 cc_base;
} __packed;
struct sfp_eeprom_ext {
__be16 options;
u8 br_max;
u8 br_min;
char vendor_sn[16];
char datecode[8];
u8 diagmon;
u8 enhopts;
u8 sff8472_compliance;
u8 cc_ext;
} __packed;
/**
* struct sfp_eeprom_id - raw SFP module identification information
* @base: base SFP module identification structure
* @ext: extended SFP module identification structure
*
* See the SFF-8472 specification and related documents for the definition
* of these structure members. This can be obtained from
* https://www.snia.org/technology-communities/sff/specifications
*/
struct sfp_eeprom_id {
struct sfp_eeprom_base base;
struct sfp_eeprom_ext ext;
} __packed;
struct sfp_diag {
__be16 temp_high_alarm;
__be16 temp_low_alarm;
__be16 temp_high_warn;
__be16 temp_low_warn;
__be16 volt_high_alarm;
__be16 volt_low_alarm;
__be16 volt_high_warn;
__be16 volt_low_warn;
__be16 bias_high_alarm;
__be16 bias_low_alarm;
__be16 bias_high_warn;
__be16 bias_low_warn;
__be16 txpwr_high_alarm;
__be16 txpwr_low_alarm;
__be16 txpwr_high_warn;
__be16 txpwr_low_warn;
__be16 rxpwr_high_alarm;
__be16 rxpwr_low_alarm;
__be16 rxpwr_high_warn;
__be16 rxpwr_low_warn;
__be16 laser_temp_high_alarm;
__be16 laser_temp_low_alarm;
__be16 laser_temp_high_warn;
__be16 laser_temp_low_warn;
__be16 tec_cur_high_alarm;
__be16 tec_cur_low_alarm;
__be16 tec_cur_high_warn;
__be16 tec_cur_low_warn;
__be32 cal_rxpwr4;
__be32 cal_rxpwr3;
__be32 cal_rxpwr2;
__be32 cal_rxpwr1;
__be32 cal_rxpwr0;
__be16 cal_txi_slope;
__be16 cal_txi_offset;
__be16 cal_txpwr_slope;
__be16 cal_txpwr_offset;
__be16 cal_t_slope;
__be16 cal_t_offset;
__be16 cal_v_slope;
__be16 cal_v_offset;
} __packed;
/* SFF8024 defined constants */
enum {
SFF8024_ID_UNK = 0x00,
SFF8024_ID_SFF_8472 = 0x02,
SFF8024_ID_SFP = 0x03,
SFF8024_ID_DWDM_SFP = 0x0b,
SFF8024_ID_QSFP_8438 = 0x0c,
SFF8024_ID_QSFP_8436_8636 = 0x0d,
SFF8024_ID_QSFP28_8636 = 0x11,
SFF8024_ENCODING_UNSPEC = 0x00,
SFF8024_ENCODING_8B10B = 0x01,
SFF8024_ENCODING_4B5B = 0x02,
SFF8024_ENCODING_NRZ = 0x03,
SFF8024_ENCODING_8472_MANCHESTER= 0x04,
SFF8024_ENCODING_8472_SONET = 0x05,
SFF8024_ENCODING_8472_64B66B = 0x06,
SFF8024_ENCODING_8436_MANCHESTER= 0x06,
SFF8024_ENCODING_8436_SONET = 0x04,
SFF8024_ENCODING_8436_64B66B = 0x05,
SFF8024_ENCODING_256B257B = 0x07,
SFF8024_ENCODING_PAM4 = 0x08,
SFF8024_CONNECTOR_UNSPEC = 0x00,
/* codes 01-05 not supportable on SFP, but some modules have single SC */
SFF8024_CONNECTOR_SC = 0x01,
SFF8024_CONNECTOR_FIBERJACK = 0x06,
SFF8024_CONNECTOR_LC = 0x07,
SFF8024_CONNECTOR_MT_RJ = 0x08,
SFF8024_CONNECTOR_MU = 0x09,
SFF8024_CONNECTOR_SG = 0x0a,
SFF8024_CONNECTOR_OPTICAL_PIGTAIL= 0x0b,
SFF8024_CONNECTOR_MPO_1X12 = 0x0c,
SFF8024_CONNECTOR_MPO_2X16 = 0x0d,
SFF8024_CONNECTOR_HSSDC_II = 0x20,
SFF8024_CONNECTOR_COPPER_PIGTAIL= 0x21,
SFF8024_CONNECTOR_RJ45 = 0x22,
SFF8024_CONNECTOR_NOSEPARATE = 0x23,
SFF8024_CONNECTOR_MXC_2X16 = 0x24,
SFF8024_ECC_UNSPEC = 0x00,
SFF8024_ECC_100G_25GAUI_C2M_AOC = 0x01,
SFF8024_ECC_100GBASE_SR4_25GBASE_SR = 0x02,
SFF8024_ECC_100GBASE_LR4_25GBASE_LR = 0x03,
SFF8024_ECC_100GBASE_ER4_25GBASE_ER = 0x04,
SFF8024_ECC_100GBASE_SR10 = 0x05,
SFF8024_ECC_100GBASE_CR4 = 0x0b,
SFF8024_ECC_25GBASE_CR_S = 0x0c,
SFF8024_ECC_25GBASE_CR_N = 0x0d,
SFF8024_ECC_10GBASE_T_SFI = 0x16,
SFF8024_ECC_10GBASE_T_SR = 0x1c,
SFF8024_ECC_5GBASE_T = 0x1d,
SFF8024_ECC_2_5GBASE_T = 0x1e,
};
/* SFP EEPROM registers */
enum {
SFP_PHYS_ID = 0,
SFP_PHYS_EXT_ID = 1,
SFP_PHYS_EXT_ID_SFP = 0x04,
SFP_CONNECTOR = 2,
SFP_COMPLIANCE = 3,
SFP_ENCODING = 11,
SFP_BR_NOMINAL = 12,
SFP_RATE_ID = 13,
SFP_LINK_LEN_SM_KM = 14,
SFP_LINK_LEN_SM_100M = 15,
SFP_LINK_LEN_50UM_OM2_10M = 16,
SFP_LINK_LEN_62_5UM_OM1_10M = 17,
SFP_LINK_LEN_COPPER_1M = 18,
SFP_LINK_LEN_50UM_OM4_10M = 18,
SFP_LINK_LEN_50UM_OM3_10M = 19,
SFP_VENDOR_NAME = 20,
SFP_VENDOR_OUI = 37,
SFP_VENDOR_PN = 40,
SFP_VENDOR_REV = 56,
SFP_OPTICAL_WAVELENGTH_MSB = 60,
SFP_OPTICAL_WAVELENGTH_LSB = 61,
SFP_CABLE_SPEC = 60,
SFP_CC_BASE = 63,
SFP_OPTIONS = 64, /* 2 bytes, MSB, LSB */
SFP_OPTIONS_HIGH_POWER_LEVEL = BIT(13),
SFP_OPTIONS_PAGING_A2 = BIT(12),
SFP_OPTIONS_RETIMER = BIT(11),
SFP_OPTIONS_COOLED_XCVR = BIT(10),
SFP_OPTIONS_POWER_DECL = BIT(9),
SFP_OPTIONS_RX_LINEAR_OUT = BIT(8),
SFP_OPTIONS_RX_DECISION_THRESH = BIT(7),
SFP_OPTIONS_TUNABLE_TX = BIT(6),
SFP_OPTIONS_RATE_SELECT = BIT(5),
SFP_OPTIONS_TX_DISABLE = BIT(4),
SFP_OPTIONS_TX_FAULT = BIT(3),
SFP_OPTIONS_LOS_INVERTED = BIT(2),
SFP_OPTIONS_LOS_NORMAL = BIT(1),
SFP_BR_MAX = 66,
SFP_BR_MIN = 67,
SFP_VENDOR_SN = 68,
SFP_DATECODE = 84,
SFP_DIAGMON = 92,
SFP_DIAGMON_DDM = BIT(6),
SFP_DIAGMON_INT_CAL = BIT(5),
SFP_DIAGMON_EXT_CAL = BIT(4),
SFP_DIAGMON_RXPWR_AVG = BIT(3),
SFP_DIAGMON_ADDRMODE = BIT(2),
SFP_ENHOPTS = 93,
SFP_ENHOPTS_ALARMWARN = BIT(7),
SFP_ENHOPTS_SOFT_TX_DISABLE = BIT(6),
SFP_ENHOPTS_SOFT_TX_FAULT = BIT(5),
SFP_ENHOPTS_SOFT_RX_LOS = BIT(4),
SFP_ENHOPTS_SOFT_RATE_SELECT = BIT(3),
SFP_ENHOPTS_APP_SELECT_SFF8079 = BIT(2),
SFP_ENHOPTS_SOFT_RATE_SFF8431 = BIT(1),
SFP_SFF8472_COMPLIANCE = 94,
SFP_SFF8472_COMPLIANCE_NONE = 0x00,
SFP_SFF8472_COMPLIANCE_REV9_3 = 0x01,
SFP_SFF8472_COMPLIANCE_REV9_5 = 0x02,
SFP_SFF8472_COMPLIANCE_REV10_2 = 0x03,
SFP_SFF8472_COMPLIANCE_REV10_4 = 0x04,
SFP_SFF8472_COMPLIANCE_REV11_0 = 0x05,
SFP_SFF8472_COMPLIANCE_REV11_3 = 0x06,
SFP_SFF8472_COMPLIANCE_REV11_4 = 0x07,
SFP_SFF8472_COMPLIANCE_REV12_0 = 0x08,
SFP_CC_EXT = 95,
};
/* SFP Diagnostics */
enum {
/* Alarm and warnings stored MSB at lower address then LSB */
SFP_TEMP_HIGH_ALARM = 0,
SFP_TEMP_LOW_ALARM = 2,
SFP_TEMP_HIGH_WARN = 4,
SFP_TEMP_LOW_WARN = 6,
SFP_VOLT_HIGH_ALARM = 8,
SFP_VOLT_LOW_ALARM = 10,
SFP_VOLT_HIGH_WARN = 12,
SFP_VOLT_LOW_WARN = 14,
SFP_BIAS_HIGH_ALARM = 16,
SFP_BIAS_LOW_ALARM = 18,
SFP_BIAS_HIGH_WARN = 20,
SFP_BIAS_LOW_WARN = 22,
SFP_TXPWR_HIGH_ALARM = 24,
SFP_TXPWR_LOW_ALARM = 26,
SFP_TXPWR_HIGH_WARN = 28,
SFP_TXPWR_LOW_WARN = 30,
SFP_RXPWR_HIGH_ALARM = 32,
SFP_RXPWR_LOW_ALARM = 34,
SFP_RXPWR_HIGH_WARN = 36,
SFP_RXPWR_LOW_WARN = 38,
SFP_LASER_TEMP_HIGH_ALARM = 40,
SFP_LASER_TEMP_LOW_ALARM = 42,
SFP_LASER_TEMP_HIGH_WARN = 44,
SFP_LASER_TEMP_LOW_WARN = 46,
SFP_TEC_CUR_HIGH_ALARM = 48,
SFP_TEC_CUR_LOW_ALARM = 50,
SFP_TEC_CUR_HIGH_WARN = 52,
SFP_TEC_CUR_LOW_WARN = 54,
SFP_CAL_RXPWR4 = 56,
SFP_CAL_RXPWR3 = 60,
SFP_CAL_RXPWR2 = 64,
SFP_CAL_RXPWR1 = 68,
SFP_CAL_RXPWR0 = 72,
SFP_CAL_TXI_SLOPE = 76,
SFP_CAL_TXI_OFFSET = 78,
SFP_CAL_TXPWR_SLOPE = 80,
SFP_CAL_TXPWR_OFFSET = 82,
SFP_CAL_T_SLOPE = 84,
SFP_CAL_T_OFFSET = 86,
SFP_CAL_V_SLOPE = 88,
SFP_CAL_V_OFFSET = 90,
SFP_CHKSUM = 95,
SFP_TEMP = 96,
SFP_VCC = 98,
SFP_TX_BIAS = 100,
SFP_TX_POWER = 102,
SFP_RX_POWER = 104,
SFP_LASER_TEMP = 106,
SFP_TEC_CUR = 108,
SFP_STATUS = 110,
SFP_STATUS_TX_DISABLE = BIT(7),
SFP_STATUS_TX_DISABLE_FORCE = BIT(6),
SFP_STATUS_TX_FAULT = BIT(2),
SFP_STATUS_RX_LOS = BIT(1),
SFP_ALARM0 = 112,
SFP_ALARM0_TEMP_HIGH = BIT(7),
SFP_ALARM0_TEMP_LOW = BIT(6),
SFP_ALARM0_VCC_HIGH = BIT(5),
SFP_ALARM0_VCC_LOW = BIT(4),
SFP_ALARM0_TX_BIAS_HIGH = BIT(3),
SFP_ALARM0_TX_BIAS_LOW = BIT(2),
SFP_ALARM0_TXPWR_HIGH = BIT(1),
SFP_ALARM0_TXPWR_LOW = BIT(0),
SFP_ALARM1 = 113,
SFP_ALARM1_RXPWR_HIGH = BIT(7),
SFP_ALARM1_RXPWR_LOW = BIT(6),
SFP_WARN0 = 116,
SFP_WARN0_TEMP_HIGH = BIT(7),
SFP_WARN0_TEMP_LOW = BIT(6),
SFP_WARN0_VCC_HIGH = BIT(5),
SFP_WARN0_VCC_LOW = BIT(4),
SFP_WARN0_TX_BIAS_HIGH = BIT(3),
SFP_WARN0_TX_BIAS_LOW = BIT(2),
SFP_WARN0_TXPWR_HIGH = BIT(1),
SFP_WARN0_TXPWR_LOW = BIT(0),
SFP_WARN1 = 117,
SFP_WARN1_RXPWR_HIGH = BIT(7),
SFP_WARN1_RXPWR_LOW = BIT(6),
SFP_EXT_STATUS = 118,
SFP_EXT_STATUS_PWRLVL_SELECT = BIT(0),
SFP_VSL = 120,
SFP_PAGE = 127,
};
struct fwnode_handle;
struct ethtool_eeprom;
struct ethtool_modinfo;
struct sfp_bus;
/**
* struct sfp_upstream_ops - upstream operations structure
* @attach: called when the sfp socket driver is bound to the upstream
* (mandatory).
* @detach: called when the sfp socket driver is unbound from the upstream
* (mandatory).
* @module_insert: called after a module has been detected to determine
* whether the module is supported for the upstream device.
* @module_remove: called after the module has been removed.
* @module_start: called after the PHY probe step
* @module_stop: called before the PHY is removed
* @link_down: called when the link is non-operational for whatever
* reason.
* @link_up: called when the link is operational.
* @connect_phy: called when an I2C accessible PHY has been detected
* on the module.
* @disconnect_phy: called when a module with an I2C accessible PHY has
* been removed.
*/
struct sfp_upstream_ops {
void (*attach)(void *priv, struct sfp_bus *bus);
void (*detach)(void *priv, struct sfp_bus *bus);
int (*module_insert)(void *priv, const struct sfp_eeprom_id *id);
void (*module_remove)(void *priv);
int (*module_start)(void *priv);
void (*module_stop)(void *priv);
void (*link_down)(void *priv);
void (*link_up)(void *priv);
int (*connect_phy)(void *priv, struct phy_device *);
void (*disconnect_phy)(void *priv);
};
#if IS_ENABLED(CONFIG_SFP)
int sfp_parse_port(struct sfp_bus *bus, const struct sfp_eeprom_id *id,
unsigned long *support);
bool sfp_may_have_phy(struct sfp_bus *bus, const struct sfp_eeprom_id *id);
void sfp_parse_support(struct sfp_bus *bus, const struct sfp_eeprom_id *id,
unsigned long *support, unsigned long *interfaces);
phy_interface_t sfp_select_interface(struct sfp_bus *bus,
unsigned long *link_modes);
int sfp_get_module_info(struct sfp_bus *bus, struct ethtool_modinfo *modinfo);
int sfp_get_module_eeprom(struct sfp_bus *bus, struct ethtool_eeprom *ee,
u8 *data);
int sfp_get_module_eeprom_by_page(struct sfp_bus *bus,
const struct ethtool_module_eeprom *page,
struct netlink_ext_ack *extack);
void sfp_upstream_start(struct sfp_bus *bus);
void sfp_upstream_stop(struct sfp_bus *bus);
void sfp_bus_put(struct sfp_bus *bus);
struct sfp_bus *sfp_bus_find_fwnode(const struct fwnode_handle *fwnode);
int sfp_bus_add_upstream(struct sfp_bus *bus, void *upstream,
const struct sfp_upstream_ops *ops);
void sfp_bus_del_upstream(struct sfp_bus *bus);
#else
static inline int sfp_parse_port(struct sfp_bus *bus,
const struct sfp_eeprom_id *id,
unsigned long *support)
{
return PORT_OTHER;
}
static inline bool sfp_may_have_phy(struct sfp_bus *bus,
const struct sfp_eeprom_id *id)
{
return false;
}
static inline void sfp_parse_support(struct sfp_bus *bus,
const struct sfp_eeprom_id *id,
unsigned long *support,
unsigned long *interfaces)
{
}
static inline phy_interface_t sfp_select_interface(struct sfp_bus *bus,
unsigned long *link_modes)
{
return PHY_INTERFACE_MODE_NA;
}
static inline int sfp_get_module_info(struct sfp_bus *bus,
struct ethtool_modinfo *modinfo)
{
return -EOPNOTSUPP;
}
static inline int sfp_get_module_eeprom(struct sfp_bus *bus,
struct ethtool_eeprom *ee, u8 *data)
{
return -EOPNOTSUPP;
}
static inline int sfp_get_module_eeprom_by_page(struct sfp_bus *bus,
const struct ethtool_module_eeprom *page,
struct netlink_ext_ack *extack)
{
return -EOPNOTSUPP;
}
static inline void sfp_upstream_start(struct sfp_bus *bus)
{
}
static inline void sfp_upstream_stop(struct sfp_bus *bus)
{
}
static inline void sfp_bus_put(struct sfp_bus *bus)
{
}
static inline struct sfp_bus *
sfp_bus_find_fwnode(const struct fwnode_handle *fwnode)
{
return NULL;
}
static inline int sfp_bus_add_upstream(struct sfp_bus *bus, void *upstream,
const struct sfp_upstream_ops *ops)
{
return 0;
}
static inline void sfp_bus_del_upstream(struct sfp_bus *bus)
{
}
#endif
#endif
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