From b3a9c0bd2f1847e637147b7175fe7d99d28bef33 Mon Sep 17 00:00:00 2001 From: Oded Gabbay Date: Mon, 2 Nov 2020 21:07:51 +0200 Subject: [PATCH] habanalabs/gaudi: add NIC firmware-related definitions Add new structures and messages that the driver use to interact with the firmware to receive information and events (errors) about GAUDI's NIC. Signed-off-by: Omer Shpigelman Reviewed-by: Oded Gabbay Signed-off-by: Oded Gabbay --- drivers/misc/habanalabs/include/common/cpucp_if.h | 34 +++++++++++++++++++--- .../misc/habanalabs/include/gaudi/gaudi_fw_if.h | 24 +++++++++++++++ 2 files changed, 54 insertions(+), 4 deletions(-) diff --git a/drivers/misc/habanalabs/include/common/cpucp_if.h b/drivers/misc/habanalabs/include/common/cpucp_if.h index 2a5c9cb..782b8b8 100644 --- a/drivers/misc/habanalabs/include/common/cpucp_if.h +++ b/drivers/misc/habanalabs/include/common/cpucp_if.h @@ -9,6 +9,7 @@ #define CPUCP_IF_H #include +#include /* * EVENT QUEUE @@ -199,6 +200,11 @@ enum pq_init_status { * CpuCP to write to the structure, to prevent data corruption in case of * mismatched driver/FW versions. * + * CPUCP_PACKET_NIC_INFO_GET - + * Fetch information from the device regarding the NIC. the host's driver + * passes the max size it allows the CpuCP to write to the structure, to + * prevent data corruption in case of mismatched driver/FW versions. + * * CPUCP_PACKET_TEMPERATURE_SET - * Set the value of the offset property of a specified thermal sensor. * The packet's arguments specify the desired sensor and the field to @@ -244,12 +250,12 @@ enum cpucp_packet_id { CPUCP_PACKET_MAX_POWER_GET, /* sysfs */ CPUCP_PACKET_MAX_POWER_SET, /* sysfs */ CPUCP_PACKET_EEPROM_DATA_GET, /* sysfs */ - CPUCP_RESERVED, + CPUCP_PACKET_NIC_INFO_GET, /* internal */ CPUCP_PACKET_TEMPERATURE_SET, /* sysfs */ CPUCP_PACKET_VOLTAGE_SET, /* sysfs */ CPUCP_PACKET_CURRENT_SET, /* sysfs */ - CPUCP_PACKET_PCIE_THROUGHPUT_GET, /* internal */ - CPUCP_PACKET_PCIE_REPLAY_CNT_GET, /* internal */ + CPUCP_PACKET_PCIE_THROUGHPUT_GET, /* internal */ + CPUCP_PACKET_PCIE_REPLAY_CNT_GET, /* internal */ CPUCP_PACKET_TOTAL_ENERGY_GET, /* internal */ CPUCP_PACKET_PLL_REG_GET, /* internal */ }; @@ -300,7 +306,7 @@ struct cpucp_packet { /* For led set */ __le32 led_index; - /* For get CpuCP info/EEPROM data */ + /* For get CpuCP info/EEPROM data/NIC info */ __le32 data_max_size; }; @@ -392,6 +398,12 @@ struct eq_generic_event { #define CARD_NAME_MAX_LEN 16 #define VERSION_MAX_LEN 128 #define CPUCP_MAX_SENSORS 128 +#define CPUCP_MAX_NICS 128 +#define CPUCP_LANES_PER_NIC 4 +#define CPUCP_NIC_QSFP_EEPROM_MAX_LEN 1024 +#define CPUCP_MAX_NIC_LANES (CPUCP_MAX_NICS * CPUCP_LANES_PER_NIC) +#define CPUCP_NIC_MASK_ARR_LEN ((CPUCP_MAX_NICS + 63) / 64) +#define CPUCP_NIC_POLARITY_ARR_LEN ((CPUCP_MAX_NIC_LANES + 63) / 64) struct cpucp_sensor { __le32 type; @@ -440,4 +452,18 @@ struct cpucp_info { char card_name[CARD_NAME_MAX_LEN]; }; +struct cpucp_mac_addr { + __u8 mac_addr[ETH_ALEN]; +}; + +struct cpucp_nic_info { + struct cpucp_mac_addr mac_addrs[CPUCP_MAX_NICS]; + __le64 link_mask[CPUCP_NIC_MASK_ARR_LEN]; + __le64 pol_tx_mask[CPUCP_NIC_POLARITY_ARR_LEN]; + __le64 pol_rx_mask[CPUCP_NIC_POLARITY_ARR_LEN]; + __le64 link_ext_mask[CPUCP_NIC_MASK_ARR_LEN]; + __u8 qsfp_eeprom[CPUCP_NIC_QSFP_EEPROM_MAX_LEN]; + __le64 auto_neg_mask[CPUCP_NIC_MASK_ARR_LEN]; +}; + #endif /* CPUCP_IF_H */ diff --git a/drivers/misc/habanalabs/include/gaudi/gaudi_fw_if.h b/drivers/misc/habanalabs/include/gaudi/gaudi_fw_if.h index 8aadc63..d61a4c8 100644 --- a/drivers/misc/habanalabs/include/gaudi/gaudi_fw_if.h +++ b/drivers/misc/habanalabs/include/gaudi/gaudi_fw_if.h @@ -8,6 +8,8 @@ #ifndef GAUDI_FW_IF_H #define GAUDI_FW_IF_H +#include + #define GAUDI_EVENT_QUEUE_MSI_IDX 8 #define GAUDI_NIC_PORT1_MSI_IDX 10 #define GAUDI_NIC_PORT3_MSI_IDX 12 @@ -31,6 +33,28 @@ enum gaudi_pll_index { IF_PLL }; +enum gaudi_nic_axi_error { + RXB, + RXE, + TXS, + TXE, + QPC_RESP, + NON_AXI_ERR, +}; + +/* + * struct eq_nic_sei_event - describes an AXI error cause. + * @axi_error_cause: one of the events defined in enum gaudi_nic_axi_error. + * @id: can be either 0 or 1, to further describe unit with interrupt cause + * (i.e. TXE0 or TXE1). + * @pad[6]: padding structure to 64bit. + */ +struct eq_nic_sei_event { + __u8 axi_error_cause; + __u8 id; + __u8 pad[6]; +}; + #define GAUDI_PLL_FREQ_LOW 200000000 /* 200 MHz */ #endif /* GAUDI_FW_IF_H */ -- 2.7.4