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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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52eabba5bc
Add a couple of special IOCTLs to: * Inform userspace of firmware partition locations * Pass event counts and allow userspace to wait on events * Translate PFF numbers used by the switch to port numbers [Dan Carpenter <dan.carpenter@oracle.com>: fix off-by-one in ioctl_event_ctl()] Tested-by: Krishna Dhulipala <krishnad@fb.com> Signed-off-by: Logan Gunthorpe <logang@deltatee.com> Signed-off-by: Stephen Bates <stephen.bates@microsemi.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Reviewed-by: Wei Zhang <wzhang@fb.com> Reviewed-by: Jens Axboe <axboe@fb.com>
133 lines
4.2 KiB
C
133 lines
4.2 KiB
C
/*
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* Microsemi Switchtec PCIe Driver
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* Copyright (c) 2017, Microsemi Corporation
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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*/
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#ifndef _UAPI_LINUX_SWITCHTEC_IOCTL_H
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#define _UAPI_LINUX_SWITCHTEC_IOCTL_H
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#include <linux/types.h>
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#define SWITCHTEC_IOCTL_PART_CFG0 0
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#define SWITCHTEC_IOCTL_PART_CFG1 1
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#define SWITCHTEC_IOCTL_PART_IMG0 2
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#define SWITCHTEC_IOCTL_PART_IMG1 3
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#define SWITCHTEC_IOCTL_PART_NVLOG 4
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#define SWITCHTEC_IOCTL_PART_VENDOR0 5
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#define SWITCHTEC_IOCTL_PART_VENDOR1 6
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#define SWITCHTEC_IOCTL_PART_VENDOR2 7
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#define SWITCHTEC_IOCTL_PART_VENDOR3 8
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#define SWITCHTEC_IOCTL_PART_VENDOR4 9
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#define SWITCHTEC_IOCTL_PART_VENDOR5 10
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#define SWITCHTEC_IOCTL_PART_VENDOR6 11
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#define SWITCHTEC_IOCTL_PART_VENDOR7 12
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#define SWITCHTEC_IOCTL_NUM_PARTITIONS 13
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struct switchtec_ioctl_flash_info {
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__u64 flash_length;
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__u32 num_partitions;
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__u32 padding;
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};
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struct switchtec_ioctl_flash_part_info {
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__u32 flash_partition;
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__u32 address;
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__u32 length;
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__u32 active;
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};
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struct switchtec_ioctl_event_summary {
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__u64 global;
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__u64 part_bitmap;
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__u32 local_part;
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__u32 padding;
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__u32 part[48];
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__u32 pff[48];
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};
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#define SWITCHTEC_IOCTL_EVENT_STACK_ERROR 0
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#define SWITCHTEC_IOCTL_EVENT_PPU_ERROR 1
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#define SWITCHTEC_IOCTL_EVENT_ISP_ERROR 2
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#define SWITCHTEC_IOCTL_EVENT_SYS_RESET 3
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#define SWITCHTEC_IOCTL_EVENT_FW_EXC 4
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#define SWITCHTEC_IOCTL_EVENT_FW_NMI 5
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#define SWITCHTEC_IOCTL_EVENT_FW_NON_FATAL 6
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#define SWITCHTEC_IOCTL_EVENT_FW_FATAL 7
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#define SWITCHTEC_IOCTL_EVENT_TWI_MRPC_COMP 8
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#define SWITCHTEC_IOCTL_EVENT_TWI_MRPC_COMP_ASYNC 9
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#define SWITCHTEC_IOCTL_EVENT_CLI_MRPC_COMP 10
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#define SWITCHTEC_IOCTL_EVENT_CLI_MRPC_COMP_ASYNC 11
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#define SWITCHTEC_IOCTL_EVENT_GPIO_INT 12
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#define SWITCHTEC_IOCTL_EVENT_PART_RESET 13
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#define SWITCHTEC_IOCTL_EVENT_MRPC_COMP 14
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#define SWITCHTEC_IOCTL_EVENT_MRPC_COMP_ASYNC 15
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#define SWITCHTEC_IOCTL_EVENT_DYN_PART_BIND_COMP 16
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#define SWITCHTEC_IOCTL_EVENT_AER_IN_P2P 17
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#define SWITCHTEC_IOCTL_EVENT_AER_IN_VEP 18
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#define SWITCHTEC_IOCTL_EVENT_DPC 19
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#define SWITCHTEC_IOCTL_EVENT_CTS 20
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#define SWITCHTEC_IOCTL_EVENT_HOTPLUG 21
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#define SWITCHTEC_IOCTL_EVENT_IER 22
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#define SWITCHTEC_IOCTL_EVENT_THRESH 23
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#define SWITCHTEC_IOCTL_EVENT_POWER_MGMT 24
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#define SWITCHTEC_IOCTL_EVENT_TLP_THROTTLING 25
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#define SWITCHTEC_IOCTL_EVENT_FORCE_SPEED 26
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#define SWITCHTEC_IOCTL_EVENT_CREDIT_TIMEOUT 27
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#define SWITCHTEC_IOCTL_EVENT_LINK_STATE 28
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#define SWITCHTEC_IOCTL_MAX_EVENTS 29
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#define SWITCHTEC_IOCTL_EVENT_LOCAL_PART_IDX -1
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#define SWITCHTEC_IOCTL_EVENT_IDX_ALL -2
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#define SWITCHTEC_IOCTL_EVENT_FLAG_CLEAR (1 << 0)
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#define SWITCHTEC_IOCTL_EVENT_FLAG_EN_POLL (1 << 1)
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#define SWITCHTEC_IOCTL_EVENT_FLAG_EN_LOG (1 << 2)
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#define SWITCHTEC_IOCTL_EVENT_FLAG_EN_CLI (1 << 3)
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#define SWITCHTEC_IOCTL_EVENT_FLAG_EN_FATAL (1 << 4)
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#define SWITCHTEC_IOCTL_EVENT_FLAG_DIS_POLL (1 << 5)
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#define SWITCHTEC_IOCTL_EVENT_FLAG_DIS_LOG (1 << 6)
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#define SWITCHTEC_IOCTL_EVENT_FLAG_DIS_CLI (1 << 7)
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#define SWITCHTEC_IOCTL_EVENT_FLAG_DIS_FATAL (1 << 8)
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#define SWITCHTEC_IOCTL_EVENT_FLAG_UNUSED (~0x1ff)
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struct switchtec_ioctl_event_ctl {
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__u32 event_id;
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__s32 index;
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__u32 flags;
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__u32 occurred;
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__u32 count;
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__u32 data[5];
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};
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#define SWITCHTEC_IOCTL_PFF_VEP 100
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struct switchtec_ioctl_pff_port {
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__u32 pff;
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__u32 partition;
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__u32 port;
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};
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#define SWITCHTEC_IOCTL_FLASH_INFO \
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_IOR('W', 0x40, struct switchtec_ioctl_flash_info)
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#define SWITCHTEC_IOCTL_FLASH_PART_INFO \
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_IOWR('W', 0x41, struct switchtec_ioctl_flash_part_info)
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#define SWITCHTEC_IOCTL_EVENT_SUMMARY \
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_IOR('W', 0x42, struct switchtec_ioctl_event_summary)
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#define SWITCHTEC_IOCTL_EVENT_CTL \
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_IOWR('W', 0x43, struct switchtec_ioctl_event_ctl)
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#define SWITCHTEC_IOCTL_PFF_TO_PORT \
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_IOWR('W', 0x44, struct switchtec_ioctl_pff_port)
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#define SWITCHTEC_IOCTL_PORT_TO_PFF \
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_IOWR('W', 0x45, struct switchtec_ioctl_pff_port)
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#endif
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