From: "tip-bot2 for Marc Zyngier" <tip-bot2@linutronix.de>
To: linux-tip-commits@vger.kernel.org
Cc: Marc Zyngier <maz@kernel.org>, Zenghui Yu <yuzenghui@huawei.com>,
x86 <x86@kernel.org>, LKML <linux-kernel@vger.kernel.org>
Subject: [tip: irq/core] irqchip/gic-v4.1: Add VPE INVALL callback
Date: Fri, 24 Jan 2020 19:11:06 -0000 [thread overview]
Message-ID: <157989306677.396.6031131179666666784.tip-bot2@tip-bot2> (raw)
In-Reply-To: <20191224111055.11836-14-maz@kernel.org>
The following commit has been merged into the irq/core branch of tip:
Commit-ID: b4a4bd0f2629ec2ece7690de1b4721529da29871
Gitweb: https://git.kernel.org/tip/b4a4bd0f2629ec2ece7690de1b4721529da29871
Author: Marc Zyngier <maz@kernel.org>
AuthorDate: Tue, 24 Dec 2019 11:10:36
Committer: Marc Zyngier <maz@kernel.org>
CommitterDate: Wed, 22 Jan 2020 14:22:21
irqchip/gic-v4.1: Add VPE INVALL callback
GICv4.1 redistributors have a VPE-aware INVALL register. Progress!
We can now emulate a guest-requested INVALL without emiting a
VINVALL command.
Signed-off-by: Marc Zyngier <maz@kernel.org>
Reviewed-by: Zenghui Yu <yuzenghui@huawei.com>
Link: https://lore.kernel.org/r/20191224111055.11836-14-maz@kernel.org
---
drivers/irqchip/irq-gic-v3-its.c | 14 ++++++++++++++
include/linux/irqchip/arm-gic-v3.h | 6 ++++++
2 files changed, 20 insertions(+)
diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c
index 69b16e5..1d8d96a 100644
--- a/drivers/irqchip/irq-gic-v3-its.c
+++ b/drivers/irqchip/irq-gic-v3-its.c
@@ -3669,6 +3669,19 @@ static void its_vpe_4_1_deschedule(struct its_vpe *vpe,
}
}
+static void its_vpe_4_1_invall(struct its_vpe *vpe)
+{
+ void __iomem *rdbase;
+ u64 val;
+
+ val = GICR_INVALLR_V;
+ val |= FIELD_PREP(GICR_INVALLR_VPEID, vpe->vpe_id);
+
+ /* Target the redistributor this vPE is currently known on */
+ rdbase = per_cpu_ptr(gic_rdists->rdist, vpe->col_idx)->rd_base;
+ gic_write_lpir(val, rdbase + GICR_INVALLR);
+}
+
static int its_vpe_4_1_set_vcpu_affinity(struct irq_data *d, void *vcpu_info)
{
struct its_vpe *vpe = irq_data_get_irq_chip_data(d);
@@ -3684,6 +3697,7 @@ static int its_vpe_4_1_set_vcpu_affinity(struct irq_data *d, void *vcpu_info)
return 0;
case INVALL_VPE:
+ its_vpe_4_1_invall(vpe);
return 0;
default:
diff --git a/include/linux/irqchip/arm-gic-v3.h b/include/linux/irqchip/arm-gic-v3.h
index 822dae6..49ed6fa 100644
--- a/include/linux/irqchip/arm-gic-v3.h
+++ b/include/linux/irqchip/arm-gic-v3.h
@@ -247,6 +247,12 @@
#define GICR_TYPER_COMMON_LPI_AFF GENMASK_ULL(25, 24)
#define GICR_TYPER_AFFINITY GENMASK_ULL(63, 32)
+#define GICR_INVLPIR_VPEID GENMASK_ULL(47, 32)
+#define GICR_INVLPIR_V GENMASK_ULL(63, 63)
+
+#define GICR_INVALLR_VPEID GICR_INVLPIR_VPEID
+#define GICR_INVALLR_V GICR_INVLPIR_V
+
#define GIC_V3_REDIST_SIZE 0x20000
#define LPI_PROP_GROUP1 (1 << 1)
next prev parent reply other threads:[~2020-01-24 19:12 UTC|newest]
Thread overview: 66+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-12-24 11:10 [PATCH v3 00/32] irqchip/gic-v4: GICv4.1 architecture support Marc Zyngier
2019-12-24 11:10 ` [PATCH v3 01/32] irqchip/gic-v3: Detect GICv4.1 supporting RVPEID Marc Zyngier
2020-01-24 19:11 ` [tip: irq/core] " tip-bot2 for Marc Zyngier
2019-12-24 11:10 ` [PATCH v3 02/32] irqchip/gic-v3: Add GICv4.1 VPEID size discovery Marc Zyngier
2020-01-24 19:11 ` [tip: irq/core] " tip-bot2 for Marc Zyngier
2019-12-24 11:10 ` [PATCH v3 03/32] irqchip/gic-v3: Workaround Cavium TX1 erratum when reading GICD_TYPER2 Marc Zyngier
2020-03-09 22:11 ` Robert Richter
2020-03-10 11:41 ` Marc Zyngier
2020-03-10 12:34 ` Robert Richter
2020-03-11 8:45 ` Robert Richter
2020-03-11 9:03 ` Marc Zyngier
2020-03-11 9:18 ` Robert Richter
2019-12-24 11:10 ` [PATCH v3 04/32] irqchip/gic-v3: Use SGIs without active state if offered Marc Zyngier
2019-12-28 8:56 ` Zenghui Yu
2019-12-28 10:36 ` Marc Zyngier
2019-12-30 3:50 ` Zenghui Yu
2019-12-24 11:10 ` [PATCH v3 05/32] irqchip/gic-v4.1: VPE table (aka GICR_VPROPBASER) allocation Marc Zyngier
2020-01-20 14:03 ` Zenghui Yu
2020-01-20 15:11 ` Marc Zyngier
2020-01-22 2:59 ` Zenghui Yu
2020-01-24 19:11 ` [tip: irq/core] " tip-bot2 for Marc Zyngier
2019-12-24 11:10 ` [PATCH v3 06/32] irqchip/gic-v4.1: Implement the v4.1 flavour of VMAPP Marc Zyngier
2020-01-24 19:11 ` [tip: irq/core] " tip-bot2 for Marc Zyngier
2019-12-24 11:10 ` [PATCH v3 07/32] irqchip/gic-v4.1: Don't use the VPE proxy if RVPEID is set Marc Zyngier
2020-01-24 19:11 ` [tip: irq/core] " tip-bot2 for Marc Zyngier
2019-12-24 11:10 ` [PATCH v3 08/32] irqchip/gic-v4.1: Implement the v4.1 flavour of VMOVP Marc Zyngier
2020-01-24 19:11 ` [tip: irq/core] " tip-bot2 for Marc Zyngier
2019-12-24 11:10 ` [PATCH v3 09/32] irqchip/gic-v4.1: Plumb skeletal VPE irqchip Marc Zyngier
2020-01-24 19:11 ` [tip: irq/core] " tip-bot2 for Marc Zyngier
2019-12-24 11:10 ` [PATCH v3 10/32] irqchip/gic-v4.1: Add mask/unmask doorbell callbacks Marc Zyngier
2020-01-24 19:11 ` [tip: irq/core] " tip-bot2 for Marc Zyngier
2019-12-24 11:10 ` [PATCH v3 11/32] irqchip/gic-v4.1: Add VPE residency callback Marc Zyngier
2020-01-24 19:11 ` [tip: irq/core] " tip-bot2 for Marc Zyngier
2019-12-24 11:10 ` [PATCH v3 12/32] irqchip/gic-v4.1: Add VPE eviction callback Marc Zyngier
2020-01-24 19:11 ` [tip: irq/core] " tip-bot2 for Marc Zyngier
2019-12-24 11:10 ` [PATCH v3 13/32] irqchip/gic-v4.1: Add VPE INVALL callback Marc Zyngier
2020-01-24 19:11 ` tip-bot2 for Marc Zyngier [this message]
2019-12-24 11:10 ` [PATCH v3 14/32] irqchip/gic-v4.1: Suppress per-VLPI doorbell Marc Zyngier
2020-01-24 19:11 ` [tip: irq/core] " tip-bot2 for Marc Zyngier
2019-12-24 11:10 ` [PATCH v3 15/32] irqchip/gic-v4.1: Allow direct invalidation of VLPIs Marc Zyngier
2020-01-24 19:11 ` [tip: irq/core] " tip-bot2 for Marc Zyngier
2019-12-24 11:10 ` [PATCH v3 16/32] irqchip/gic-v4.1: Advertise support v4.1 to KVM Marc Zyngier
2019-12-24 11:10 ` [PATCH v3 17/32] irqchip/gic-v4.1: Map the ITS SGIR register page Marc Zyngier
2019-12-24 11:10 ` [PATCH v3 18/32] irqchip/gic-v4.1: Plumb skeletal VSGI irqchip Marc Zyngier
2019-12-24 11:10 ` [PATCH v3 19/32] irqchip/gic-v4.1: Add initial SGI configuration Marc Zyngier
2019-12-24 11:10 ` [PATCH v3 20/32] irqchip/gic-v4.1: Plumb mask/unmask SGI callbacks Marc Zyngier
2019-12-24 11:10 ` [PATCH v3 21/32] irqchip/gic-v4.1: Plumb get/set_irqchip_state " Marc Zyngier
2019-12-24 11:10 ` [PATCH v3 22/32] irqchip/gic-v4.1: Plumb set_vcpu_affinity " Marc Zyngier
2019-12-24 11:10 ` [PATCH v3 23/32] irqchip/gic-v4.1: Move doorbell management to the GICv4 abstraction layer Marc Zyngier
2019-12-24 11:10 ` [PATCH v3 24/32] irqchip/gic-v4.1: Add VSGI allocation/teardown Marc Zyngier
2019-12-24 11:10 ` [PATCH v3 25/32] irqchip/gic-v4.1: Add VSGI property setup Marc Zyngier
2019-12-24 11:10 ` [PATCH v3 26/32] irqchip/gic-v4.1: Eagerly vmap vPEs Marc Zyngier
2019-12-24 11:10 ` [PATCH v3 27/32] KVM: arm64: GICv4.1: Let doorbells be auto-enabled Marc Zyngier
2019-12-24 11:10 ` [PATCH v3 28/32] KVM: arm64: GICv4.1: Add direct injection capability to SGI registers Marc Zyngier
2019-12-28 9:19 ` Zenghui Yu
2019-12-28 10:41 ` Marc Zyngier
2019-12-24 11:10 ` [PATCH v3 29/32] KVM: arm64: GICv4.1: Allow SGIs to switch between HW and SW interrupts Marc Zyngier
2020-01-15 2:49 ` Shaokun Zhang
2020-01-15 3:49 ` Zenghui Yu
2020-01-15 13:32 ` Marc Zyngier
2020-01-15 13:49 ` Zenghui Yu
2020-01-16 6:13 ` Shaokun Zhang
2020-01-15 13:17 ` Marc Zyngier
2019-12-24 11:10 ` [PATCH v3 30/32] KVM: arm64: GICv4.1: Plumb SGI implementation selection in the distributor Marc Zyngier
2019-12-24 11:10 ` [PATCH v3 31/32] KVM: arm64: GICv4.1: Reload VLPI configuration on distributor enable/disable Marc Zyngier
2019-12-24 11:10 ` [PATCH v3 32/32] KVM: arm64: GICv4.1: Expose HW-based SGIs in debugfs Marc Zyngier
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