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ppc/xive2: Dump the VP-group and crowd tables with 'info pic'

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The 'info pic' HMP command dumps the state of the interrupt controller.
Add the dump of the NVG and NVC tables to its output to ease debug.

Signed-off-by: Frederic Barrat <fbarrat@linux.ibm.com>
Signed-off-by: Michael Kowal <kowal@linux.ibm.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
This commit is contained in:
Frederic Barrat 2024-09-13 11:16:51 -05:00 • committed by Nicholas Piggin
parent cfeafb0d8c
commit 76798e12df
4 changed files with 114 additions and 3 deletions
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12
include/hw/ppc/xive2.h
View file

@ -53,6 +53,12 @@ typedef struct Xive2RouterClass {
Xive2Nvp *nvp);
int (*write_nvp)(Xive2Router *xrtr, uint8_t nvp_blk, uint32_t nvp_idx,
Xive2Nvp *nvp, uint8_t word_number);
int (*get_nvgc)(Xive2Router *xrtr, bool crowd,
uint8_t nvgc_blk, uint32_t nvgc_idx,
Xive2Nvgc *nvgc);
int (*write_nvgc)(Xive2Router *xrtr, bool crowd,
uint8_t nvgc_blk, uint32_t nvgc_idx,
Xive2Nvgc *nvgc);
uint8_t (*get_block_id)(Xive2Router *xrtr);
uint32_t (*get_config)(Xive2Router *xrtr);
} Xive2RouterClass;
@ -67,6 +73,12 @@ int xive2_router_get_nvp(Xive2Router *xrtr, uint8_t nvp_blk, uint32_t nvp_idx,
Xive2Nvp *nvp);
int xive2_router_write_nvp(Xive2Router *xrtr, uint8_t nvp_blk, uint32_t nvp_idx,
Xive2Nvp *nvp, uint8_t word_number);
int xive2_router_get_nvgc(Xive2Router *xrtr, bool crowd,
uint8_t nvgc_blk, uint32_t nvgc_idx,
Xive2Nvgc *nvgc);
int xive2_router_write_nvgc(Xive2Router *xrtr, bool crowd,
uint8_t nvgc_blk, uint32_t nvgc_idx,
Xive2Nvgc *nvgc);
uint32_t xive2_router_get_config(Xive2Router *xrtr);
void xive2_router_notify(XiveNotifier *xn, uint32_t lisn, bool pq_checked);

6
include/hw/ppc/xive2_regs.h
View file

@ -212,6 +212,7 @@ void xive2_nvp_pic_print_info(Xive2Nvp *nvp, uint32_t nvp_idx, GString *buf);
typedef struct Xive2Nvgc {
uint32_t w0;
#define NVGC2_W0_VALID PPC_BIT32(0)
#define NVGC2_W0_PGONEXT PPC_BITMASK32(26, 31)
uint32_t w1;
uint32_t w2;
uint32_t w3;
@ -221,4 +222,9 @@ typedef struct Xive2Nvgc {
uint32_t w7;
} Xive2Nvgc;
#define xive2_nvgc_is_valid(nvgc) (be32_to_cpu((nvgc)->w0) & NVGC2_W0_VALID)
void xive2_nvgc_pic_print_info(Xive2Nvgc *nvgc, uint32_t nvgc_idx,
GString *buf);
#endif /* PPC_XIVE2_REGS_H */