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| author |   Alastair D'Silva <alastair@d-silva.org> | 2018-05-11 16:13:01 +1000 |
|---|---|---|
| committer |   Michael Ellerman <mpe@ellerman.id.au> | 2018-06-03 20:40:32 +1000 |
| commit | e948e06fc63a1c1e36ec4c8e5c510b881ff19c26 (patch) | |
| tree | 59a49968a3211c2708b135d6c79f97af3c9b2cb1 /include/misc | |
| parent | ocxl: Rename pnv_ocxl_spa_remove_pe to clarify it's action (diff) | |
| download | linux-dev-e948e06fc63a1c1e36ec4c8e5c510b881ff19c26.tar.xz linux-dev-e948e06fc63a1c1e36ec4c8e5c510b881ff19c26.zip | |
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/misc')
| -rw-r--r-- | include/misc/ocxl.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/misc/ocxl.h b/include/misc/ocxl.h index 51ccf76db293..9ff6ddc28e22 100644 --- a/include/misc/ocxl.h +++ b/include/misc/ocxl.h @@ -188,6 +188,15 @@ extern int ocxl_link_add_pe(void *link_handle, int pasid, u32 pidr, u32 tidr, void (*xsl_err_cb)(void *data, u64 addr, u64 dsisr), void *xsl_err_data); +/** + * Update values within a Process Element + * + * link_handle: the link handle associated with the process element + * pasid: the PASID for the AFU context + * tid: the new thread id for the process element + */ +extern int ocxl_link_update_pe(void *link_handle, int pasid, __u16 tid); + /* * Remove a Process Element from the Shared Process Area for a link */ |