From: Feng Wu <feng.wu@intel.com>
To: dwmw2@infradead.org, joro@8bytes.or
Cc: jiang.liu@linux.intel.com, iommu@lists.linux-foundation.org,
linux-kernel@vger.kernel.org, Feng Wu <feng.wu@intel.com>
Subject: [v4 1/8] iommu: Add new member capability to struct irq_remap_ops
Date: Mon, 2 Feb 2015 16:01:47 +0800 [thread overview]
Message-ID: <1422864114-19324-2-git-send-email-feng.wu@intel.com> (raw)
In-Reply-To: <1422864114-19324-1-git-send-email-feng.wu@intel.com>
This patch adds a new member capability to struct irq_remap_ops,
this new function ops can be used to check whether some
features are supported, such as VT-d Posted-Interrupts.
Signed-off-by: Feng Wu <feng.wu@intel.com>
Reviewed-by: Jiang Liu <jiang.liu@linux.intel.com>
---
arch/x86/include/asm/irq_remapping.h | 4 ++++
drivers/iommu/irq_remapping.h | 3 +++
2 files changed, 7 insertions(+), 0 deletions(-)
diff --git a/arch/x86/include/asm/irq_remapping.h b/arch/x86/include/asm/irq_remapping.h
index 6ba2431..f67ae08 100644
--- a/arch/x86/include/asm/irq_remapping.h
+++ b/arch/x86/include/asm/irq_remapping.h
@@ -31,6 +31,10 @@ struct irq_alloc_info;
#ifdef CONFIG_IRQ_REMAP
+enum irq_remap_cap {
+ IRQ_POSTING_CAP = 0,
+};
+
extern void setup_irq_remapping_ops(void);
extern int irq_remapping_supported(void);
extern void set_irq_remapping_broken(void);
diff --git a/drivers/iommu/irq_remapping.h b/drivers/iommu/irq_remapping.h
index 4bd791d..69b2a1c 100644
--- a/drivers/iommu/irq_remapping.h
+++ b/drivers/iommu/irq_remapping.h
@@ -36,6 +36,9 @@ extern int no_x2apic_optout;
extern int irq_remapping_enabled;
struct irq_remap_ops {
+ /* The supported capabilites */
+ int capability;
+
/* Check whether Interrupt Remapping is supported */
int (*supported)(void);
--
1.7.1
next prev parent reply other threads:[~2015-02-02 8:14 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-02-02 8:01 [v4 0/8] Add VT-d Posted-Interrupts support - IOMMU part Feng Wu
2015-02-02 8:01 ` Feng Wu [this message]
2015-02-02 8:01 ` [v4 2/8] iommu, x86: Define new irte structure for VT-d Posted-Interrupts Feng Wu
2015-02-02 8:01 ` [v4 3/8] iommu, x86: Implement irq_set_vcpu_affinity for intel_ir_chip Feng Wu
2015-02-02 8:01 ` [v4 4/8] iommu, x86: No need to migrating irq for VT-d Posted-Interrupts Feng Wu
2015-02-02 8:01 ` [v4 5/8] iommu, x86: Add cap_pi_support() to detect VT-d PI capability Feng Wu
2015-02-02 8:01 ` [v4 6/8] iommu, x86: Setup Posted-Interrupts capability for Intel iommu Feng Wu
2015-02-02 8:01 ` [v4 7/8] iommu, x86: define irq_remapping_cap() Feng Wu
2015-02-02 8:01 ` [v4 8/8] iommu, x86: Properly handler PI for IOMMU hotplug Feng Wu
2015-02-02 8:17 ` [v4 0/8] Add VT-d Posted-Interrupts support - IOMMU part Wu, Feng
2015-02-02 8:06 Feng Wu
2015-02-02 8:06 ` [v4 1/8] iommu: Add new member capability to struct irq_remap_ops Feng Wu
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1422864114-19324-2-git-send-email-feng.wu@intel.com \
--to=feng.wu@intel.com \
--cc=dwmw2@infradead.org \
--cc=iommu@lists.linux-foundation.org \
--cc=jiang.liu@linux.intel.com \
--cc=joro@8bytes.or \
--cc=linux-kernel@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).