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[Qemu-devel] [PATCH v4 04/25] ppc/pnv: Introduce a pnv_xive_is_cpu_enabl
From: |
Cédric Le Goater |
Subject: |
[Qemu-devel] [PATCH v4 04/25] ppc/pnv: Introduce a pnv_xive_is_cpu_enabled() helper |
Date: |
Wed, 18 Sep 2019 18:06:24 +0200 |
and use this helper to exclude CPUs which were not enabled by the XIVE
controller.
Signed-off-by: Cédric Le Goater <address@hidden>
---
hw/intc/pnv_xive.c | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/hw/intc/pnv_xive.c b/hw/intc/pnv_xive.c
index e1c15b6b5b71..5c97ccda1cad 100644
--- a/hw/intc/pnv_xive.c
+++ b/hw/intc/pnv_xive.c
@@ -408,6 +408,14 @@ static int cpu_chip_id(PowerPCCPU *cpu)
CPU_FOREACH(cs) \
if (chip->chip_id != cpu_chip_id(POWERPC_CPU(cs))) {} else
+static bool pnv_xive_is_cpu_enabled(PnvXive *xive, PowerPCCPU *cpu)
+{
+ int pir = cpu_pir(cpu);
+ int thrd_id = pir & 0x7f;
+
+ return xive->regs[PC_THREAD_EN_REG0 >> 3] & PPC_BIT(thrd_id);
+}
+
static int pnv_xive_match_nvt(XivePresenter *xptr, uint8_t format,
uint8_t nvt_blk, uint32_t nvt_idx,
bool cam_ignore, uint8_t priority,
@@ -426,6 +434,10 @@ static int pnv_xive_match_nvt(XivePresenter *xptr, uint8_t
format,
XiveTCTX *tctx = XIVE_TCTX(pnv_cpu_state(cpu)->intc);
int ring;
+ if (!pnv_xive_is_cpu_enabled(xive, cpu)) {
+ continue;
+ }
+
/*
* Check the thread context CAM lines and record matches.
*/
--
2.21.0
- [Qemu-devel] [PATCH v4 00/25] ppc/pnv: add XIVE support for KVM guests, Cédric Le Goater, 2019/09/18
- [Qemu-devel] [PATCH v4 01/25] ppc/xive: Introduce a XivePresenter interface, Cédric Le Goater, 2019/09/18
- [Qemu-devel] [PATCH v4 02/25] ppc/xive: Implement the XivePresenter interface, Cédric Le Goater, 2019/09/18
- [Qemu-devel] [PATCH v4 03/25] ppc/pnv: Introduce a PNV_CHIP_CPU_FOREACH() helper, Cédric Le Goater, 2019/09/18
- [Qemu-devel] [PATCH v4 04/25] ppc/pnv: Introduce a pnv_xive_is_cpu_enabled() helper,
Cédric Le Goater <=
- [Qemu-devel] [PATCH v4 05/25] ppc/xive: Introduce a XiveFabric interface, Cédric Le Goater, 2019/09/18
- [Qemu-devel] [PATCH v4 06/25] ppc/pnv: Implement the XiveFabric interface, Cédric Le Goater, 2019/09/18
- [Qemu-devel] [PATCH v4 07/25] ppc/spapr: Implement the XiveFabric interface, Cédric Le Goater, 2019/09/18
- [Qemu-devel] [PATCH v4 08/25] ppc/xive: Use the XiveFabric and XivePresenter interfaces, Cédric Le Goater, 2019/09/18
- [Qemu-devel] [PATCH v4 09/25] ppc/xive: Extend the TIMA operation with a XivePresenter parameter, Cédric Le Goater, 2019/09/18
- [Qemu-devel] [PATCH v4 10/25] ppc/pnv: Clarify how the TIMA is accessed on a multichip system, Cédric Le Goater, 2019/09/18
- [Qemu-devel] [PATCH v4 11/25] ppc/xive: Move the TIMA operations to the controller model, Cédric Le Goater, 2019/09/18
- [Qemu-devel] [PATCH v4 12/25] ppc/xive: Remove the get_tctx() XiveRouter handler, Cédric Le Goater, 2019/09/18
- [Qemu-devel] [PATCH v4 13/25] ppc/xive: Introduce a xive_tctx_ipb_update() helper, Cédric Le Goater, 2019/09/18
- [Qemu-devel] [PATCH v4 14/25] ppc/xive: Introduce helpers for the NVT id, Cédric Le Goater, 2019/09/18