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ppc/xive2: Dump more NVP state with 'info pic'

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The 'PGoFirst' field of a Notify Virtual Processor tells if the NVP
belongs to a VP group.

Also, print the Reporting Cache Line address, if defined.

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 11:16:50 -05:00 committed by Nicholas Piggin
parent aa90c209bf
commit cfeafb0d8c
2 changed files with 9 additions and 2 deletions
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10
hw/intc/xive2.c
View File

@ -161,14 +161,20 @@ void xive2_nvp_pic_print_info(Xive2Nvp *nvp, uint32_t nvp_idx, GString *buf)
{
uint8_t eq_blk = xive_get_field32(NVP2_W5_VP_END_BLOCK, nvp->w5);
uint32_t eq_idx = xive_get_field32(NVP2_W5_VP_END_INDEX, nvp->w5);
uint64_t cache_line = xive2_nvp_reporting_addr(nvp);
if (!xive2_nvp_is_valid(nvp)) {
return;
}
g_string_append_printf(buf, " %08x end:%02x/%04x IPB:%02x",
g_string_append_printf(buf, " %08x end:%02x/%04x IPB:%02x PGoFirst:%02x",
nvp_idx, eq_blk, eq_idx,
xive_get_field32(NVP2_W2_IPB, nvp->w2));
xive_get_field32(NVP2_W2_IPB, nvp->w2),
xive_get_field32(NVP2_W0_PGOFIRST, nvp->w0));
if (cache_line) {
g_string_append_printf(buf, " reporting CL:%016"PRIx64, cache_line);
}
/*
* When the NVP is HW controlled, more fields are updated
*/

1
include/hw/ppc/xive2_regs.h
View File

@ -151,6 +151,7 @@ typedef struct Xive2Nvp {
#define NVP2_W0_VALID PPC_BIT32(0)
#define NVP2_W0_HW PPC_BIT32(7)
#define NVP2_W0_ESC_END PPC_BIT32(25) /* 'N' bit 0:ESB 1:END */
#define NVP2_W0_PGOFIRST PPC_BITMASK32(26, 31)
uint32_t w1;
#define NVP2_W1_CO PPC_BIT32(13)
#define NVP2_W1_CO_PRIV PPC_BITMASK32(14, 15)