-
Notifications
You must be signed in to change notification settings - Fork 134
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
skiboot: Add opal calls to init/start/stop IMC devices
Add new opal calls to init, start and stop the IMC nest/core units. To initialize the core IMC counters, it takes a physical address per core as an input and writes that address to PDBAR[14:50] bits. It initializes the htm_mode and event_mask, where it selects the time interval at which the counter values must be posted to the given memory location and enables the counters to start running by setting the appropriate bits. To disable/enable the nest IMC counters (stop or resume counting), writes into "command" field of the nest control block in the reserve memory location. To disable/enable the core IMC counters (stop or resume counting), writes into appropriate bits of htm_mode to disable the counters. Acked-by: Michael Neuling <mikey@neuling.org> Signed-off-by: Hemant Kumar <hemant@linux.vnet.ibm.com> Signed-off-by: Anju T Sudhakar <anju@linux.vnet.ibm.com> Signed-off-by: Madhavan Srinivasan <maddy@linux.vnet.ibm.com> [stewart@linux.vnet.ibm.com: use pr_fmt rather than hardcode IMC prefix] Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>
- Loading branch information
1 parent
f98d599
commit 7801be0
Showing
3 changed files
with
213 additions
and
1 deletion.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters