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| author | Alastair D'Silva <alastair@d-silva.org> | 2018-05-11 09:13:01 +0300 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2018-06-03 13:40:32 +0300 |
| commit | e948e06fc63a1c1e36ec4c8e5c510b881ff19c26 (patch) | |
| tree | 59a49968a3211c2708b135d6c79f97af3c9b2cb1 /include/uapi/misc/ocxl.h | |
| parent | 19df39581ce99eb1fcfb119945810c9c5bc3f8d4 (diff) | |
| download | linux-e948e06fc63a1c1e36ec4c8e5c510b881ff19c26.tar.xz | |
ocxl: Expose the thread_id needed for wait on POWER9
In order to successfully issue as_notify, an AFU needs to know the TID
to notify, which in turn means that this information should be
available in userspace so it can be communicated to the AFU.
Signed-off-by: Alastair D'Silva <alastair@d-silva.org>
Acked-by: Andrew Donnellan <andrew.donnellan@au1.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'include/uapi/misc/ocxl.h')
| -rw-r--r-- | include/uapi/misc/ocxl.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/uapi/misc/ocxl.h b/include/uapi/misc/ocxl.h index 0af83d80fb3e..561e6f0dfcb7 100644 --- a/include/uapi/misc/ocxl.h +++ b/include/uapi/misc/ocxl.h @@ -48,6 +48,13 @@ struct ocxl_ioctl_metadata { __u64 reserved[13]; // Total of 16*u64 }; +struct ocxl_ioctl_p9_wait { + __u16 thread_id; // The thread ID required to wake this thread + __u16 reserved1; + __u32 reserved2; + __u64 reserved3[3]; +}; + struct ocxl_ioctl_irq_fd { __u64 irq_offset; __s32 eventfd; @@ -62,5 +69,6 @@ struct ocxl_ioctl_irq_fd { #define OCXL_IOCTL_IRQ_FREE _IOW(OCXL_MAGIC, 0x12, __u64) #define OCXL_IOCTL_IRQ_SET_FD _IOW(OCXL_MAGIC, 0x13, struct ocxl_ioctl_irq_fd) #define OCXL_IOCTL_GET_METADATA _IOR(OCXL_MAGIC, 0x14, struct ocxl_ioctl_metadata) +#define OCXL_IOCTL_ENABLE_P9_WAIT _IOR(OCXL_MAGIC, 0x15, struct ocxl_ioctl_p9_wait) #endif /* _UAPI_MISC_OCXL_H */ |