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[Qemu-devel] [PATCH v2 13/17] ppc/pnv: Dump the XIVE NVT table
From: |
Cédric Le Goater |
Subject: |
[Qemu-devel] [PATCH v2 13/17] ppc/pnv: Dump the XIVE NVT table |
Date: |
Thu, 18 Jul 2019 13:54:16 +0200 |
This is to track the configuration of the base END index of the vCPU
and the Interrupt Pending Buffer. The NVT IPB is updated when an
interrupt can not be presented to a vCPU.
Signed-off-by: Cédric Le Goater <address@hidden>
---
include/hw/ppc/xive_regs.h | 2 ++
hw/intc/pnv_xive.c | 22 ++++++++++++++++++++++
2 files changed, 24 insertions(+)
diff --git a/include/hw/ppc/xive_regs.h b/include/hw/ppc/xive_regs.h
index 92ff80d25456..b228ab0ba3ea 100644
--- a/include/hw/ppc/xive_regs.h
+++ b/include/hw/ppc/xive_regs.h
@@ -229,6 +229,8 @@ typedef struct XiveNVT {
uint32_t w0;
#define NVT_W0_VALID PPC_BIT32(0)
uint32_t w1;
+#define NVT_W1_EQ_BLOCK PPC_BITMASK32(0, 3)
+#define NVT_W1_EQ_INDEX PPC_BITMASK32(4, 31)
uint32_t w2;
uint32_t w3;
uint32_t w4;
diff --git a/hw/intc/pnv_xive.c b/hw/intc/pnv_xive.c
index 63243253b736..a086598c5e77 100644
--- a/hw/intc/pnv_xive.c
+++ b/hw/intc/pnv_xive.c
@@ -1540,6 +1540,21 @@ static const MemoryRegionOps pnv_xive_pc_ops = {
},
};
+static void xive_nvt_pic_print_info(XiveNVT *nvt, uint32_t nvt_idx,
+ Monitor *mon)
+{
+ uint8_t eq_blk = xive_get_field32(NVT_W1_EQ_BLOCK, nvt->w1);
+ uint32_t eq_idx = xive_get_field32(NVT_W1_EQ_INDEX, nvt->w1);
+
+ if (!xive_nvt_is_valid(nvt)) {
+ return;
+ }
+
+ monitor_printf(mon, " %08x end:%02x/%04x IPB:%02x\n", nvt_idx,
+ eq_blk, eq_idx,
+ xive_get_field32(NVT_W4_IPB, nvt->w4));
+}
+
void pnv_xive_pic_print_info(PnvXive *xive, Monitor *mon)
{
XiveRouter *xrtr = XIVE_ROUTER(xive);
@@ -1548,6 +1563,7 @@ void pnv_xive_pic_print_info(PnvXive *xive, Monitor *mon)
uint32_t nr_ipis = pnv_xive_nr_ipis(xive, blk);
XiveEAS eas;
XiveEND end;
+ XiveNVT nvt;
int i;
monitor_printf(mon, "XIVE[%x] Source %08x .. %08x\n", blk, srcno0,
@@ -1576,6 +1592,12 @@ void pnv_xive_pic_print_info(PnvXive *xive, Monitor *mon)
while (!xive_router_get_end(xrtr, blk, i, &end)) {
xive_end_eas_pic_print_info(&end, i++, mon);
}
+
+ monitor_printf(mon, "XIVE[%x] NVTT\n", blk);
+ i = 0;
+ while (!xive_router_get_nvt(xrtr, blk, i, &nvt)) {
+ xive_nvt_pic_print_info(&nvt, i++, mon);
+ }
}
static void pnv_xive_reset(void *dev)
--
2.21.0
- [Qemu-devel] [PATCH v2 04/17] ppc/xive: Provide backlog support, (continued)
- [Qemu-devel] [PATCH v2 04/17] ppc/xive: Provide backlog support, Cédric Le Goater, 2019/07/18
- [Qemu-devel] [PATCH v2 05/17] ppc/xive: Provide escalation support, Cédric Le Goater, 2019/07/18
- [Qemu-devel] [PATCH v2 06/17] ppc/xive: Provide unconditional escalation support, Cédric Le Goater, 2019/07/18
- [Qemu-devel] [PATCH v2 07/17] ppc/xive: Provide silent escalation support, Cédric Le Goater, 2019/07/18
- [Qemu-devel] [PATCH v2 08/17] ppc/xive: Improve 'info pic' support, Cédric Le Goater, 2019/07/18
- [Qemu-devel] [PATCH v2 09/17] ppc/xive: Extend XiveTCTX with a XiveRouter pointer, Cédric Le Goater, 2019/07/18
- [Qemu-devel] [PATCH v2 10/17] ppc/xive: Introduce xive_tctx_ipb_update(), Cédric Le Goater, 2019/07/18
- [Qemu-devel] [PATCH v2 11/17] ppc/xive: Synthesize interrupt from the saved IPB in the NVT, Cédric Le Goater, 2019/07/18
- [Qemu-devel] [PATCH v2 12/17] ppc/pnv: Remove pnv_xive_vst_size() routine, Cédric Le Goater, 2019/07/18
- [Qemu-devel] [PATCH v2 13/17] ppc/pnv: Dump the XIVE NVT table,
Cédric Le Goater <=
- [Qemu-devel] [PATCH v2 15/17] ppc/pnv: Grab the XiveRouter object from XiveTCTX in pnv_xive_get_tctx(), Cédric Le Goater, 2019/07/18
- [Qemu-devel] [PATCH v2 14/17] ppc/pnv: Skip empty slots of the XIVE NVT table, Cédric Le Goater, 2019/07/18
- [Qemu-devel] [PATCH v2 16/17] ppc/pnv: Introduce a pnv_xive_get_block_id() interface to XiveRouter, Cédric Le Goater, 2019/07/18
- [Qemu-devel] [PATCH v2 17/17] ppc/pnv: quiesce some XIVE errors, Cédric Le Goater, 2019/07/18
- Re: [Qemu-devel] [PATCH v2 00/17] ppc/pnv: add XIVE support for KVM guests, no-reply, 2019/07/18
- Re: [Qemu-devel] [PATCH v2 00/17] ppc/pnv: add XIVE support for KVM guests, David Gibson, 2019/07/22