linux-zen-desktop/drivers/accel/habanalabs/include/gaudi/gaudi_fw_if.h

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2023-08-30 17:31:07 +02:00
/* SPDX-License-Identifier: GPL-2.0
*
* Copyright 2019-2020 HabanaLabs, Ltd.
* All Rights Reserved.
*
*/
#ifndef GAUDI_FW_IF_H
#define GAUDI_FW_IF_H
#define GAUDI_EVENT_QUEUE_MSI_IDX 8
#define GAUDI_NIC_PORT1_MSI_IDX 10
#define GAUDI_NIC_PORT3_MSI_IDX 12
#define GAUDI_NIC_PORT5_MSI_IDX 14
#define GAUDI_NIC_PORT7_MSI_IDX 16
#define GAUDI_NIC_PORT9_MSI_IDX 18
#define UBOOT_FW_OFFSET 0x100000 /* 1MB in SRAM */
#define LINUX_FW_OFFSET 0x800000 /* 8MB in HBM */
/* HBM thermal delta in [Deg] added to composite (CTemp) */
#define HBM_TEMP_ADJUST_COEFF 6
enum gaudi_nic_axi_error {
RXB,
RXE,
TXS,
TXE,
QPC_RESP,
NON_AXI_ERR,
TMR,
};
/*
* 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];
};
/*
* struct gaudi_nic_status - describes the status of a NIC port.
* @port: NIC port index.
* @bad_format_cnt: e.g. CRC.
* @responder_out_of_sequence_psn_cnt: e.g NAK.
* @high_ber_reinit_cnt: link reinit due to high BER.
* @correctable_err_cnt: e.g. bit-flip.
* @uncorrectable_err_cnt: e.g. MAC errors.
* @retraining_cnt: re-training counter.
* @up: is port up.
* @pcs_link: has PCS link.
* @phy_ready: is PHY ready.
* @auto_neg: is Autoneg enabled.
* @timeout_retransmission_cnt: timeout retransmission events
* @high_ber_cnt: high ber events
*/
struct gaudi_nic_status {
__u32 port;
__u32 bad_format_cnt;
__u32 responder_out_of_sequence_psn_cnt;
__u32 high_ber_reinit;
__u32 correctable_err_cnt;
__u32 uncorrectable_err_cnt;
__u32 retraining_cnt;
__u8 up;
__u8 pcs_link;
__u8 phy_ready;
__u8 auto_neg;
__u32 timeout_retransmission_cnt;
__u32 high_ber_cnt;
};
struct gaudi_cold_rst_data {
union {
struct {
u32 spsram_init_done : 1;
u32 reserved : 31;
};
__le32 data;
};
};
#define GAUDI_PLL_FREQ_LOW 200000000 /* 200 MHz */
#endif /* GAUDI_FW_IF_H */