FreeBSD/Linux Kernel Cross Reference
sys/dev/qat/qat_hw/qat_c4xxx/adf_c4xxx_reset.h

     /* SPDX-License-Identifier: BSD-3-Clause */
     /* Copyright(c) 2007-2022 Intel Corporation */
     /* $FreeBSD$ */
     #ifndef ADF_C4XXX_RESET_H_
     #define ADF_C4XXX_RESET_H_
     
     #include <adf_accel_devices.h>
     #include <adf_common_drv.h>
     #include "adf_c4xxx_hw_data.h"
    
    /* IA2IOSFSB register definitions */
    #define ADF_C4XXX_IA2IOSFSB_PORTCMD (0x60000 + 0x1320)
    #define ADF_C4XXX_IA2IOSFSB_LOADD (0x60000 + 0x1324)
    #define ADF_C4XXX_IA2IOSFSB_HIADD (0x60000 + 0x1328)
    #define ADF_C4XXX_IA2IOSFSB_DATA(index) ((index)*0x4 + 0x60000 + 0x132C)
    #define ADF_C4XXX_IA2IOSFSB_KHOLE (0x60000 + 0x136C)
    #define ADF_C4XXX_IA2IOSFSB_STATUS (0x60000 + 0x1370)
    
    /* IOSF-SB Port command definitions */
    /* Ethernet controller Port ID */
    #define ADF_C4XXX_ETH_PORT_ID 0x61
    /* Byte enable */
    #define ADF_C4XXX_PORTD_CMD_BE 0xFF
    /* Non posted; Only non-posted commands are used */
    #define ADF_C4XXX_PORTD_CMD_NP 0x1
    /* Number of DWORDs to transfer */
    #define ADF_C4XXX_PORTD_CMD_LENDW 0x2
    /* Extended header always used */
    #define ADF_C4XXX_PORTD_CMD_EH 0x1
    /* Address length */
    #define ADF_C4XXX_PORTD_CMD_ALEN 0x0
    /* Message opcode: Private Register Write Non-Posted or Posted Message*/
    #define ADF_C4XXX_MOPCODE 0x07
    
    /* Compute port command based on port ID */
    #define ADF_C4XXX_GET_PORT_CMD(port_id)                                        \
            ((((port_id)&0xFF) << 24) | (ADF_C4XXX_PORTD_CMD_BE << 16) |           \
             (ADF_C4XXX_PORTD_CMD_NP << 15) | (ADF_C4XXX_PORTD_CMD_LENDW << 10) |  \
             (ADF_C4XXX_PORTD_CMD_EH << 9) | (ADF_C4XXX_PORTD_CMD_ALEN << 8) |     \
             (ADF_C4XXX_MOPCODE))
    
    /* Pending reset event/ack message over IOSF-SB */
    #define ADF_C4XXX_IOSFSB_RESET_EVENT BIT(0)
    #define ADF_C4XXX_IOSFSB_RESET_ACK BIT(7)
    
    /* Upon an FLR, the PCI_EXP_AERUCS register must be read and we must make sure
     * that not other bit is set excepted the:
     * - UR (Unsupported request) bit<20>
     * - IEUNC (Uncorrectable Internal Error) bit <22>
     */
    #define PCIE_C4XXX_VALID_ERR_MASK (~BIT(20) ^ BIT(22))
    
    /* Trigger: trigger an IOSF SB message */
    #define ADF_C4XXX_IOSFSB_TRIGGER BIT(0)
    
    /* IOSF-SB status definitions */
    /* Response status bits<1:0> definitions
     * 00 = Successful
     * 01 = Unsuccessful
     * 10 = Powered down
     * 11 = Multicast
     */
    #define ADF_C4XXX_IA2IOSFSB_STATUS_RTS (BIT(0) | BIT(1))
    #define ADF_C4XXX_IA2IOSFSB_STATUS_PEND BIT(6)
    /* Allow 100ms polling interval */
    #define ADF_C4XXX_IA2IOSFSB_POLLING_INTERVAL 100
    /* Allow a maximum of 500ms before timing out */
    #define ADF_C4XXX_IA2IOSFSB_POLLING_COUNT 5
    
    /* Ethernet notification polling interval */
    #define ADF_C4XXX_MAX_ETH_ACK_ATTEMPT 100
    #define ADF_C4XXX_ETH_ACK_POLLING_INTERVAL 10
    
    void adf_c4xxx_dev_restore(struct adf_accel_dev *accel_dev);
    void notify_and_wait_ethernet(struct adf_accel_dev *accel_dev);
    #endif

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