path: root/include/misc
diff options
authorAlastair D'Silva <alastair@d-silva.org>2018-05-11 16:13:01 +1000
committerMichael Ellerman <mpe@ellerman.id.au>2018-06-03 20:40:32 +1000
commite948e06fc63a1c1e36ec4c8e5c510b881ff19c26 (patch)
tree59a49968a3211c2708b135d6c79f97af3c9b2cb1 /include/misc
parent19df39581ce99eb1fcfb119945810c9c5bc3f8d4 (diff)
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')
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

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