1*f80ad8b4SAndroid Build Coastguard Worker /* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */ 2*f80ad8b4SAndroid Build Coastguard Worker /* Copyright 2017 IBM Corp. */ 3*f80ad8b4SAndroid Build Coastguard Worker #ifndef _UAPI_MISC_OCXL_H 4*f80ad8b4SAndroid Build Coastguard Worker #define _UAPI_MISC_OCXL_H 5*f80ad8b4SAndroid Build Coastguard Worker 6*f80ad8b4SAndroid Build Coastguard Worker #include <linux/types.h> 7*f80ad8b4SAndroid Build Coastguard Worker #include <linux/ioctl.h> 8*f80ad8b4SAndroid Build Coastguard Worker 9*f80ad8b4SAndroid Build Coastguard Worker enum ocxl_event_type { 10*f80ad8b4SAndroid Build Coastguard Worker OCXL_AFU_EVENT_XSL_FAULT_ERROR = 0, 11*f80ad8b4SAndroid Build Coastguard Worker }; 12*f80ad8b4SAndroid Build Coastguard Worker 13*f80ad8b4SAndroid Build Coastguard Worker #define OCXL_KERNEL_EVENT_FLAG_LAST 0x0001 /* This is the last event pending */ 14*f80ad8b4SAndroid Build Coastguard Worker 15*f80ad8b4SAndroid Build Coastguard Worker struct ocxl_kernel_event_header { 16*f80ad8b4SAndroid Build Coastguard Worker __u16 type; 17*f80ad8b4SAndroid Build Coastguard Worker __u16 flags; 18*f80ad8b4SAndroid Build Coastguard Worker __u32 reserved; 19*f80ad8b4SAndroid Build Coastguard Worker }; 20*f80ad8b4SAndroid Build Coastguard Worker 21*f80ad8b4SAndroid Build Coastguard Worker struct ocxl_kernel_event_xsl_fault_error { 22*f80ad8b4SAndroid Build Coastguard Worker __u64 addr; 23*f80ad8b4SAndroid Build Coastguard Worker __u64 dsisr; 24*f80ad8b4SAndroid Build Coastguard Worker __u64 count; 25*f80ad8b4SAndroid Build Coastguard Worker __u64 reserved; 26*f80ad8b4SAndroid Build Coastguard Worker }; 27*f80ad8b4SAndroid Build Coastguard Worker 28*f80ad8b4SAndroid Build Coastguard Worker struct ocxl_ioctl_attach { 29*f80ad8b4SAndroid Build Coastguard Worker __u64 amr; 30*f80ad8b4SAndroid Build Coastguard Worker __u64 reserved1; 31*f80ad8b4SAndroid Build Coastguard Worker __u64 reserved2; 32*f80ad8b4SAndroid Build Coastguard Worker __u64 reserved3; 33*f80ad8b4SAndroid Build Coastguard Worker }; 34*f80ad8b4SAndroid Build Coastguard Worker 35*f80ad8b4SAndroid Build Coastguard Worker struct ocxl_ioctl_metadata { 36*f80ad8b4SAndroid Build Coastguard Worker __u16 version; /* struct version, always backwards compatible */ 37*f80ad8b4SAndroid Build Coastguard Worker 38*f80ad8b4SAndroid Build Coastguard Worker /* Version 0 fields */ 39*f80ad8b4SAndroid Build Coastguard Worker __u8 afu_version_major; 40*f80ad8b4SAndroid Build Coastguard Worker __u8 afu_version_minor; 41*f80ad8b4SAndroid Build Coastguard Worker __u32 pasid; /* PASID assigned to the current context */ 42*f80ad8b4SAndroid Build Coastguard Worker 43*f80ad8b4SAndroid Build Coastguard Worker __u64 pp_mmio_size; /* Per PASID MMIO size */ 44*f80ad8b4SAndroid Build Coastguard Worker __u64 global_mmio_size; 45*f80ad8b4SAndroid Build Coastguard Worker 46*f80ad8b4SAndroid Build Coastguard Worker /* End version 0 fields */ 47*f80ad8b4SAndroid Build Coastguard Worker 48*f80ad8b4SAndroid Build Coastguard Worker __u64 reserved[13]; /* Total of 16*u64 */ 49*f80ad8b4SAndroid Build Coastguard Worker }; 50*f80ad8b4SAndroid Build Coastguard Worker 51*f80ad8b4SAndroid Build Coastguard Worker struct ocxl_ioctl_p9_wait { 52*f80ad8b4SAndroid Build Coastguard Worker __u16 thread_id; /* The thread ID required to wake this thread */ 53*f80ad8b4SAndroid Build Coastguard Worker __u16 reserved1; 54*f80ad8b4SAndroid Build Coastguard Worker __u32 reserved2; 55*f80ad8b4SAndroid Build Coastguard Worker __u64 reserved3[3]; 56*f80ad8b4SAndroid Build Coastguard Worker }; 57*f80ad8b4SAndroid Build Coastguard Worker 58*f80ad8b4SAndroid Build Coastguard Worker #define OCXL_IOCTL_FEATURES_FLAGS0_P9_WAIT 0x01 59*f80ad8b4SAndroid Build Coastguard Worker struct ocxl_ioctl_features { 60*f80ad8b4SAndroid Build Coastguard Worker __u64 flags[4]; 61*f80ad8b4SAndroid Build Coastguard Worker }; 62*f80ad8b4SAndroid Build Coastguard Worker 63*f80ad8b4SAndroid Build Coastguard Worker struct ocxl_ioctl_irq_fd { 64*f80ad8b4SAndroid Build Coastguard Worker __u64 irq_offset; 65*f80ad8b4SAndroid Build Coastguard Worker __s32 eventfd; 66*f80ad8b4SAndroid Build Coastguard Worker __u32 reserved; 67*f80ad8b4SAndroid Build Coastguard Worker }; 68*f80ad8b4SAndroid Build Coastguard Worker 69*f80ad8b4SAndroid Build Coastguard Worker /* ioctl numbers */ 70*f80ad8b4SAndroid Build Coastguard Worker #define OCXL_MAGIC 0xCA 71*f80ad8b4SAndroid Build Coastguard Worker /* AFU devices */ 72*f80ad8b4SAndroid Build Coastguard Worker #define OCXL_IOCTL_ATTACH _IOW(OCXL_MAGIC, 0x10, struct ocxl_ioctl_attach) 73*f80ad8b4SAndroid Build Coastguard Worker #define OCXL_IOCTL_IRQ_ALLOC _IOR(OCXL_MAGIC, 0x11, __u64) 74*f80ad8b4SAndroid Build Coastguard Worker #define OCXL_IOCTL_IRQ_FREE _IOW(OCXL_MAGIC, 0x12, __u64) 75*f80ad8b4SAndroid Build Coastguard Worker #define OCXL_IOCTL_IRQ_SET_FD _IOW(OCXL_MAGIC, 0x13, struct ocxl_ioctl_irq_fd) 76*f80ad8b4SAndroid Build Coastguard Worker #define OCXL_IOCTL_GET_METADATA _IOR(OCXL_MAGIC, 0x14, struct ocxl_ioctl_metadata) 77*f80ad8b4SAndroid Build Coastguard Worker #define OCXL_IOCTL_ENABLE_P9_WAIT _IOR(OCXL_MAGIC, 0x15, struct ocxl_ioctl_p9_wait) 78*f80ad8b4SAndroid Build Coastguard Worker #define OCXL_IOCTL_GET_FEATURES _IOR(OCXL_MAGIC, 0x16, struct ocxl_ioctl_features) 79*f80ad8b4SAndroid Build Coastguard Worker 80*f80ad8b4SAndroid Build Coastguard Worker #endif /* _UAPI_MISC_OCXL_H */ 81