diff mbox

[RFC,v2,3/8] Generic PCIe host bridge INTx determination for INTx routing

Message ID 1454086429-4373-4-git-send-email-eric.auger@linaro.org (mailing list archive)
State New, archived
Headers show

Commit Message

Eric Auger Jan. 29, 2016, 4:53 p.m. UTC
This patch stores information about assigned legacy interrupt numbers in
GPEX host structure.
This is used during GPEX INTx number determination from a pin during
INTx routing.

Signed-off-by: Pranavkumar Sawargaonkar <address@hidden>
Signed-off-by: Tushar Jagad <address@hidden>
---
 hw/arm/virt.c | 4 ++++
 1 file changed, 4 insertions(+)

Comments

Peter Maydell Feb. 16, 2016, 6:14 p.m. UTC | #1
On 29 January 2016 at 16:53, Eric Auger <eric.auger@linaro.org> wrote:
> This patch stores information about assigned legacy interrupt numbers in
> GPEX host structure.
> This is used during GPEX INTx number determination from a pin during
> INTx routing.
>
> Signed-off-by: Pranavkumar Sawargaonkar <address@hidden>
> Signed-off-by: Tushar Jagad <address@hidden>
> ---
>  hw/arm/virt.c | 4 ++++
>  1 file changed, 4 insertions(+)
>
> diff --git a/hw/arm/virt.c b/hw/arm/virt.c
> index 15658f4..3839c68 100644
> --- a/hw/arm/virt.c
> +++ b/hw/arm/virt.c
> @@ -826,6 +826,7 @@ static void create_pcie(const VirtBoardInfo *vbi, qemu_irq *pic,
>      char *nodename;
>      int i;
>      PCIHostState *pci;
> +    GPEXHost *s;
>
>      dev = qdev_create(NULL, TYPE_GPEX_HOST);
>      qdev_init_nofail(dev);
> @@ -861,8 +862,11 @@ static void create_pcie(const VirtBoardInfo *vbi, qemu_irq *pic,
>      /* Map IO port space */
>      sysbus_mmio_map(SYS_BUS_DEVICE(dev), 2, base_pio);
>
> +    s = GPEX_HOST(dev);
> +
>      for (i = 0; i < GPEX_NUM_IRQS; i++) {
>          sysbus_connect_irq(SYS_BUS_DEVICE(dev), i, pic[irq + i]);
> +        s->irq_num[i] = irq + i;
>      }

I don't think that the board code should be prodding stuff in the GPEXHost
struct like this -- device structs are supposed to be private to the
device implementation. If you need the information in the device then
you need to come up with a better API for this.

thanks
-- PMM
Eric Auger Feb. 18, 2016, 6:15 p.m. UTC | #2
Hi Peter,
On 02/16/2016 07:14 PM, Peter Maydell wrote:
> On 29 January 2016 at 16:53, Eric Auger <eric.auger@linaro.org> wrote:
>> This patch stores information about assigned legacy interrupt numbers in
>> GPEX host structure.
>> This is used during GPEX INTx number determination from a pin during
>> INTx routing.
>>
>> Signed-off-by: Pranavkumar Sawargaonkar <address@hidden>
>> Signed-off-by: Tushar Jagad <address@hidden>
>> ---
>>  hw/arm/virt.c | 4 ++++
>>  1 file changed, 4 insertions(+)
>>
>> diff --git a/hw/arm/virt.c b/hw/arm/virt.c
>> index 15658f4..3839c68 100644
>> --- a/hw/arm/virt.c
>> +++ b/hw/arm/virt.c
>> @@ -826,6 +826,7 @@ static void create_pcie(const VirtBoardInfo *vbi, qemu_irq *pic,
>>      char *nodename;
>>      int i;
>>      PCIHostState *pci;
>> +    GPEXHost *s;
>>
>>      dev = qdev_create(NULL, TYPE_GPEX_HOST);
>>      qdev_init_nofail(dev);
>> @@ -861,8 +862,11 @@ static void create_pcie(const VirtBoardInfo *vbi, qemu_irq *pic,
>>      /* Map IO port space */
>>      sysbus_mmio_map(SYS_BUS_DEVICE(dev), 2, base_pio);
>>
>> +    s = GPEX_HOST(dev);
>> +
>>      for (i = 0; i < GPEX_NUM_IRQS; i++) {
>>          sysbus_connect_irq(SYS_BUS_DEVICE(dev), i, pic[irq + i]);
>> +        s->irq_num[i] = irq + i;
>>      }
> 
> I don't think that the board code should be prodding stuff in the GPEXHost
> struct like this -- device structs are supposed to be private to the
> device implementation. If you need the information in the device then
> you need to come up with a better API for this.

Sure, Thanks

Eric
> 
> thanks
> -- PMM
>
diff mbox

Patch

diff --git a/hw/arm/virt.c b/hw/arm/virt.c
index 15658f4..3839c68 100644
--- a/hw/arm/virt.c
+++ b/hw/arm/virt.c
@@ -826,6 +826,7 @@  static void create_pcie(const VirtBoardInfo *vbi, qemu_irq *pic,
     char *nodename;
     int i;
     PCIHostState *pci;
+    GPEXHost *s;
 
     dev = qdev_create(NULL, TYPE_GPEX_HOST);
     qdev_init_nofail(dev);
@@ -861,8 +862,11 @@  static void create_pcie(const VirtBoardInfo *vbi, qemu_irq *pic,
     /* Map IO port space */
     sysbus_mmio_map(SYS_BUS_DEVICE(dev), 2, base_pio);
 
+    s = GPEX_HOST(dev);
+
     for (i = 0; i < GPEX_NUM_IRQS; i++) {
         sysbus_connect_irq(SYS_BUS_DEVICE(dev), i, pic[irq + i]);
+        s->irq_num[i] = irq + i;
     }
 
     pci = PCI_HOST_BRIDGE(dev);