diff mbox

[Xen-devel,v1,09/21] Irq_remapping/MSI: Use MSI chip framework to configure MSI/MSI-X irq

Message ID 1409911806-10519-10-git-send-email-wangyijing@huawei.com
State New
Headers show

Commit Message

wangyijing Sept. 5, 2014, 10:09 a.m. UTC
Use MSI chip framework instead of arch MSI functions to configure
MSI/MSI-X irq. So we can manage MSI/MSI-X irq in a unified framework.

Signed-off-by: Yijing Wang <wangyijing@huawei.com>
---
 drivers/iommu/irq_remapping.c |    8 +++++++-
 1 files changed, 7 insertions(+), 1 deletions(-)

Comments

Sergei Shtylyov Sept. 5, 2014, 10:42 a.m. UTC | #1
Hello.

On 9/5/2014 2:09 PM, Yijing Wang wrote:

> Use MSI chip framework instead of arch MSI functions to configure
> MSI/MSI-X irq. So we can manage MSI/MSI-X irq in a unified framework.

> Signed-off-by: Yijing Wang <wangyijing@huawei.com>
> ---
>   drivers/iommu/irq_remapping.c |    8 +++++++-
>   1 files changed, 7 insertions(+), 1 deletions(-)

> diff --git a/drivers/iommu/irq_remapping.c b/drivers/iommu/irq_remapping.c
> index 33c4395..e75026e 100644
> --- a/drivers/iommu/irq_remapping.c
> +++ b/drivers/iommu/irq_remapping.c
[...]
> @@ -165,9 +170,10 @@ static void __init irq_remapping_modify_x86_ops(void)
>   	x86_io_apic_ops.set_affinity	= set_remapped_irq_affinity;
>   	x86_io_apic_ops.setup_entry	= setup_ioapic_remapped_entry;
>   	x86_io_apic_ops.eoi_ioapic_pin	= eoi_ioapic_pin_remapped;
> -	x86_msi.setup_msi_irqs		= irq_remapping_setup_msi_irqs;
> +	x86_msi.setup_msi_irqs          = irq_remapping_setup_msi_irqs;

    AFAICS, this change only converts tabs to spaces, so not needed at all.

>   	x86_msi.setup_hpet_msi		= setup_hpet_msi_remapped;
>   	x86_msi.compose_msi_msg		= compose_remapped_msi_msg;
> +	x86_msi_chip = &remap_msi_chip;

    Please align = with the rest of assignments.

WBR, Sergei
wangyijing Sept. 5, 2014, 11:30 a.m. UTC | #2
> 在 2014年9月5日,18:42,Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> 写道:
> 
> Hello.
> 
>> On 9/5/2014 2:09 PM, Yijing Wang wrote:
>> 
>> Use MSI chip framework instead of arch MSI functions to configure
>> MSI/MSI-X irq. So we can manage MSI/MSI-X irq in a unified framework.
> 
>> Signed-off-by: Yijing Wang <wangyijing@huawei.com>
>> ---
>>  drivers/iommu/irq_remapping.c |    8 +++++++-
>>  1 files changed, 7 insertions(+), 1 deletions(-)
> 
>> diff --git a/drivers/iommu/irq_remapping.c b/drivers/iommu/irq_remapping.c
>> index 33c4395..e75026e 100644
>> --- a/drivers/iommu/irq_remapping.c
>> +++ b/drivers/iommu/irq_remapping.c
> [...]
>> @@ -165,9 +170,10 @@ static void __init irq_remapping_modify_x86_ops(void)
>>      x86_io_apic_ops.set_affinity    = set_remapped_irq_affinity;
>>      x86_io_apic_ops.setup_entry    = setup_ioapic_remapped_entry;
>>      x86_io_apic_ops.eoi_ioapic_pin    = eoi_ioapic_pin_remapped;
>> -    x86_msi.setup_msi_irqs        = irq_remapping_setup_msi_irqs;
>> +    x86_msi.setup_msi_irqs          = irq_remapping_setup_msi_irqs;
> 
>   AFAICS, this change only converts tabs to spaces, so not needed at all.

Will update,  thanks.

> 
>>      x86_msi.setup_hpet_msi        = setup_hpet_msi_remapped;
>>      x86_msi.compose_msi_msg        = compose_remapped_msi_msg;
>> +    x86_msi_chip = &remap_msi_chip;
> 
>   Please align = with the rest of assignments.

Ok.

Thanks!
Yijing.

> 
> WBR, Sergei
> 
> --
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diff mbox

Patch

diff --git a/drivers/iommu/irq_remapping.c b/drivers/iommu/irq_remapping.c
index 33c4395..e75026e 100644
--- a/drivers/iommu/irq_remapping.c
+++ b/drivers/iommu/irq_remapping.c
@@ -148,6 +148,11 @@  static int irq_remapping_setup_msi_irqs(struct pci_dev *dev,
 		return do_setup_msix_irqs(dev, nvec);
 }
 
+static struct msi_chip remap_msi_chip = {
+	.setup_irqs = irq_remapping_setup_msi_irqs,
+	.teardown_irq = native_teardown_msi_irq,
+};
+
 static void eoi_ioapic_pin_remapped(int apic, int pin, int vector)
 {
 	/*
@@ -165,9 +170,10 @@  static void __init irq_remapping_modify_x86_ops(void)
 	x86_io_apic_ops.set_affinity	= set_remapped_irq_affinity;
 	x86_io_apic_ops.setup_entry	= setup_ioapic_remapped_entry;
 	x86_io_apic_ops.eoi_ioapic_pin	= eoi_ioapic_pin_remapped;
-	x86_msi.setup_msi_irqs		= irq_remapping_setup_msi_irqs;
+	x86_msi.setup_msi_irqs          = irq_remapping_setup_msi_irqs;
 	x86_msi.setup_hpet_msi		= setup_hpet_msi_remapped;
 	x86_msi.compose_msi_msg		= compose_remapped_msi_msg;
+	x86_msi_chip = &remap_msi_chip;
 }
 
 static __init int setup_nointremap(char *str)