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From: <vijayak@caviumnetworks.com>
To: Ian.Campbell@citrix.com, julien.grall@citrix.com,
	stefano.stabellini@eu.citrix.com, stefano.stabellini@citrix.com,
	tim@xen.org, xen-devel@lists.xen.org
Cc: Prasun.Kapoor@caviumnetworks.com,
	manish.jaggi@caviumnetworks.com,
	Vijaya Kumar K <Vijaya.Kumar@caviumnetworks.com>,
	vijay.kilari@gmail.com
Subject: [PATCH v8 20/28] xen/arm: ITS: Add virtual ITS availability check helper
Date: Mon, 1 Feb 2016 14:56:30 +0530	[thread overview]
Message-ID: <1454318798-31913-21-git-send-email-vijayak@caviumnetworks.com> (raw)
In-Reply-To: <1454318798-31913-1-git-send-email-vijayak@caviumnetworks.com>

From: Vijaya Kumar K <Vijaya.Kumar@caviumnetworks.com>

Introduce vgic_is_lpi_supported() helper function
to know virtual ITS availability for a domain

Signed-off-by: Vijaya Kumar K <Vijaya.Kumar@caviumnetworks.com>
---
v8: - Dropped its_enabled field
v7: - its_enabled field is added to vgic structure
---
 xen/arch/arm/vgic.c        |    5 +++++
 xen/include/asm-arm/vgic.h |    1 +
 2 files changed, 6 insertions(+)

diff --git a/xen/arch/arm/vgic.c b/xen/arch/arm/vgic.c
index f813931..2d89b7c 100644
--- a/xen/arch/arm/vgic.c
+++ b/xen/arch/arm/vgic.c
@@ -62,6 +62,11 @@ struct vgic_irq_rank *vgic_rank_irq(struct vcpu *v, unsigned int irq)
     return vgic_get_rank(v, rank);
 }
 
+bool_t vgic_is_lpi_supported(struct domain *d)
+{
+    return (d->arch.vgic.nr_lpis != 0);
+}
+
 static void vgic_init_pending_irq(struct pending_irq *p, unsigned int virq)
 {
     INIT_LIST_HEAD(&p->inflight);
diff --git a/xen/include/asm-arm/vgic.h b/xen/include/asm-arm/vgic.h
index f13adfd..35d06b8 100644
--- a/xen/include/asm-arm/vgic.h
+++ b/xen/include/asm-arm/vgic.h
@@ -311,6 +311,7 @@ extern int vgic_emulate(struct cpu_user_regs *regs, union hsr hsr);
 extern void vgic_disable_irqs(struct vcpu *v, uint32_t r, int n);
 extern void vgic_enable_irqs(struct vcpu *v, uint32_t r, int n);
 extern void register_vgic_ops(struct domain *d, const struct vgic_ops *ops);
+extern bool_t vgic_is_lpi_supported(struct domain *d);
 int vgic_v2_init(struct domain *d);
 int vgic_v3_init(struct domain *d);
 
-- 
1.7.9.5

  parent reply	other threads:[~2016-02-01  9:26 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-02-01  9:26 [PATCH v8 00/28] Add ITS support vijayak
2016-02-01  9:26 ` [PATCH v8 01/28] xen/arm: Add bitmap_find_next_zero_area helper function vijayak
2016-02-01  9:26 ` [PATCH v8 02/28] xen: Add log2 functionality vijayak
2016-02-01  9:26 ` [PATCH v8 03/28] xen/arm: Set nr_cpu_ids to available number of cpus vijayak
2016-02-01  9:26 ` [PATCH v8 04/28] xen/arm: Rename NR_IRQs and vgic_num_irqs helper function vijayak
2016-02-01  9:26 ` [PATCH v8 05/28] xen/arm: ITS: Port ITS driver to Xen vijayak
2016-02-01  9:26 ` [PATCH v8 06/28] xen/arm: ITS: Add helper functions to manage its_devices vijayak
2016-02-01  9:26 ` [PATCH v8 07/28] xen/arm: ITS: Introduce msi_desc for LPIs vijayak
2016-02-01  9:26 ` [PATCH v8 08/28] xen/arm: ITS: Add APIs to add and assign device vijayak
2016-02-01  9:26 ` [PATCH v8 09/28] xen/arm: ITS: Introduce gic_is_lpi helper function vijayak
2016-02-01  9:26 ` [PATCH v8 10/28] xen/arm: ITS: Implement hw_irq_controller for LPIs vijayak
2016-02-01  9:26 ` [PATCH v8 11/28] xen/arm: ITS: Enable compilation of physical ITS driver vijayak
2016-02-01  9:26 ` [PATCH v8 12/28] xen/arm: ITS: Plumb hw_irq_controller for LPIs vijayak
2016-02-01  9:26 ` [PATCH v8 13/28] xen/arm: Correct GICD_TYPER register definition typos vijayak
2016-02-01  9:26 ` [PATCH v8 14/28] xen/arm: ITS: Initialize physical ITS and export lpi support vijayak
2016-02-01  9:26 ` [PATCH v8 15/28] xen/arm: ITS: Add virtual ITS driver vijayak
2016-02-01  9:26 ` [PATCH v8 16/28] xen/arm: ITS: Add virtual ITS commands support vijayak
2016-02-01  9:26 ` [PATCH v8 17/28] xen/arm: ITS: Add GITS registers emulation vijayak
2016-02-01  9:26 ` [PATCH v8 18/28] xen/arm: ITS: Export ITS info to Virtual ITS vijayak
2016-02-01  9:26 ` [PATCH v8 19/28] xen/arm: ITS: Store the number of LPIs allocated per domain vijayak
2016-02-01  9:26 ` vijayak [this message]
2016-02-01  9:26 ` [PATCH v8 21/28] xen/arm: ITS: Add GICR register emulation vijayak
2016-02-01  9:26 ` [PATCH v8 22/28] xen/arm: ITS: Allocate irq descriptors for LPIs vijayak
2016-02-01  9:26 ` [PATCH v8 23/28] xen/arm: ITS: Allocate pending_lpi " vijayak
2016-02-01  9:26 ` [PATCH v8 24/28] xen/arm: ITS: Route LPIs vijayak
2016-02-01  9:26 ` [PATCH v8 25/28] xen/arm: ITS: Add domain specific ITS initialization vijayak
2016-02-01  9:26 ` [PATCH v8 26/28] xen/arm: ITS: Map ITS translation space vijayak
2016-02-01  9:26 ` [PATCH v8 27/28] xen/arm: ITS: Generate ITS node for Dom0 vijayak
2016-02-01  9:26 ` [PATCH v8 28/28] xen/arm: ITS: Add pci devices in ThunderX vijayak
2016-04-08 13:42 ` [PATCH v8 00/28] Add ITS support Steve Capper
2016-04-09 23:25   ` Stefano Stabellini

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