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ppc/xive: Change presenter .match_nvt to match not present

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Have the match_nvt method only perform a TCTX match but don't present
the interrupt, the caller presents. This has no functional change, but
allows for more complicated presentation logic after matching.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Reviewed-by: Glenn Miles <milesg@linux.ibm.com>
Reviewed-by: Michael Kowal <kowal@linux.ibm.com>
Tested-by: Gautam Menghani <gautam@linux.ibm.com>
Link: https://lore.kernel.org/qemu-devel/20250512031100.439842-29-npiggin@gmail.com
Signed-off-by: Cédric Le Goater <clg@redhat.com>
This commit is contained in:
Nicholas Piggin 2025-05-12 13:10:37 +10:00 • committed by Cédric Le Goater
parent 64c772ca16
commit 1319cb8997
8 changed files with 96 additions and 130 deletions
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27
include/hw/ppc/xive.h
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@ -425,6 +425,7 @@ void xive_router_end_notify(XiveRouter *xrtr, XiveEAS *eas);
typedef struct XiveTCTXMatch {
XiveTCTX *tctx;
int count;
uint8_t ring;
bool precluded;
} XiveTCTXMatch;
@ -440,10 +441,10 @@ DECLARE_CLASS_CHECKERS(XivePresenterClass, XIVE_PRESENTER,
struct XivePresenterClass {
InterfaceClass parent;
int (*match_nvt)(XivePresenter *xptr, uint8_t format,
uint8_t nvt_blk, uint32_t nvt_idx,
bool crowd, bool cam_ignore, uint8_t priority,
uint32_t logic_serv, XiveTCTXMatch *match);
bool (*match_nvt)(XivePresenter *xptr, uint8_t format,
uint8_t nvt_blk, uint32_t nvt_idx,
bool crowd, 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 (*broadcast)(XivePresenter *xptr,
@ -455,12 +456,14 @@ int xive_presenter_tctx_match(XivePresenter *xptr, XiveTCTX *tctx,
uint8_t format,
uint8_t nvt_blk, uint32_t nvt_idx,
bool cam_ignore, uint32_t logic_serv);
bool xive_presenter_notify(XiveFabric *xfb, uint8_t format,
uint8_t nvt_blk, uint32_t nvt_idx,
bool crowd, bool cam_ignore, uint8_t priority,
uint32_t logic_serv, bool *precluded);
bool xive_presenter_match(XiveFabric *xfb, uint8_t format,
uint8_t nvt_blk, uint32_t nvt_idx,
bool crowd, bool cam_ignore, uint8_t priority,
uint32_t logic_serv, XiveTCTXMatch *match);
uint32_t xive_get_vpgroup_size(uint32_t nvp_index);
uint8_t xive_get_group_level(bool crowd, bool ignore,
uint32_t nvp_blk, uint32_t nvp_index);
/*
* XIVE Fabric (Interface between Interrupt Controller and Machine)
@ -475,10 +478,10 @@ DECLARE_CLASS_CHECKERS(XiveFabricClass, XIVE_FABRIC,
struct XiveFabricClass {
InterfaceClass parent;
int (*match_nvt)(XiveFabric *xfb, uint8_t format,
uint8_t nvt_blk, uint32_t nvt_idx,
bool crowd, bool cam_ignore, uint8_t priority,
uint32_t logic_serv, XiveTCTXMatch *match);
bool (*match_nvt)(XiveFabric *xfb, uint8_t format,
uint8_t nvt_blk, uint32_t nvt_idx,
bool crowd, bool cam_ignore, uint8_t priority,
uint32_t logic_serv, XiveTCTXMatch *match);
int (*broadcast)(XiveFabric *xfb, uint8_t nvt_blk, uint32_t nvt_idx,
bool crowd, bool cam_ignore, uint8_t priority);
};