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pnv/xive2: Add a get_config() method on the presenter class

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The presenters for xive on P9 and P10 are mostly similar but the
behavior can be tuned through a few CQ registers. This patch adds a
"get_config" method, which will allow to access that config from the
presenter in a later patch.
For now, just define the config for the TIMA version.

Signed-off-by: Frederic Barrat <fbarrat@linux.ibm.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
This commit is contained in:
Frederic Barrat 2023-06-22 18:25:26 +02:00 • committed by Cédric Le Goater
parent 242e8b4dca
commit 2a24e6e394
5 changed files with 49 additions and 0 deletions
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3
include/hw/ppc/xive.h
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@ -430,6 +430,8 @@ typedef struct XivePresenterClass XivePresenterClass;
DECLARE_CLASS_CHECKERS(XivePresenterClass, XIVE_PRESENTER,
TYPE_XIVE_PRESENTER)
#define XIVE_PRESENTER_GEN1_TIMA_OS 0x1
struct XivePresenterClass {
InterfaceClass parent;
int (*match_nvt)(XivePresenter *xptr, uint8_t format,
@ -437,6 +439,7 @@ struct XivePresenterClass {
bool cam_ignore, uint8_t priority,
uint32_t logic_serv, XiveTCTXMatch *match);
bool (*in_kernel)(const XivePresenter *xptr);
uint32_t (*get_config)(XivePresenter *xptr);
};
int xive_presenter_tctx_match(XivePresenter *xptr, XiveTCTX *tctx,