Hi Kishon,
On 16/04/2018 10:29, Kishon Vijay Abraham I wrote:
> Hi Gustavo,
>
> On Tuesday 10 April 2018 10:44 PM, Gustavo Pimentel wrote:
>> Changes the pcie_raise_irq function signature, namely the interrupt_num
>> variable type from u8 to u16 to accommodate the MSI-X maximum interrupts
>> of 2048.
>>
>> Implements a PCIe config space capability iterator function to search and
>> save the MSI and MSI-X pointers. With this method the code becomes more
>> generic and flexible.
>>
>> Implements MSI-X set/get functions for sysfs interface in order to change
>> the EP entries number.
>>
>> Implements EP MSI-X interface for triggering interruptions.
>>
>> Signed-off-by: Gustavo Pimentel <gustavo.pimentel@xxxxxxxxxxxx>
>> ---
>> drivers/pci/dwc/pci-dra7xx.c | 2 +-
>> drivers/pci/dwc/pcie-artpec6.c | 2 +-
>> drivers/pci/dwc/pcie-designware-ep.c | 145 ++++++++++++++++++++++++++++++++-
>> drivers/pci/dwc/pcie-designware-plat.c | 6 +-
>> drivers/pci/dwc/pcie-designware.h | 23 +++++-
>> 5 files changed, 173 insertions(+), 5 deletions(-)
>>
>> diff --git a/drivers/pci/dwc/pci-dra7xx.c b/drivers/pci/dwc/pci-dra7xx.c
>> index ed8558d..5265725 100644
>> --- a/drivers/pci/dwc/pci-dra7xx.c
>> +++ b/drivers/pci/dwc/pci-dra7xx.c
>> @@ -369,7 +369,7 @@ static void dra7xx_pcie_raise_msi_irq(struct dra7xx_pcie *dra7xx,
>> }
>>
>> static int dra7xx_pcie_raise_irq(struct dw_pcie_ep *ep, u8 func_no,
>> - enum pci_epc_irq_type type, u8 interrupt_num)
>> + enum pci_epc_irq_type type, u16 interrupt_num)
>> {
>> struct dw_pcie *pci = to_dw_pcie_from_ep(ep);
>> struct dra7xx_pcie *dra7xx = to_dra7xx_pcie(pci);
>> diff --git a/drivers/pci/dwc/pcie-artpec6.c b/drivers/pci/dwc/pcie-artpec6.c
>> index e66cede..96dc259 100644
>> --- a/drivers/pci/dwc/pcie-artpec6.c
>> +++ b/drivers/pci/dwc/pcie-artpec6.c
>> @@ -428,7 +428,7 @@ static void artpec6_pcie_ep_init(struct dw_pcie_ep *ep)
>> }
>>
>> static int artpec6_pcie_raise_irq(struct dw_pcie_ep *ep, u8 func_no,
>> - enum pci_epc_irq_type type, u8 interrupt_num)
>> + enum pci_epc_irq_type type, u16 interrupt_num)
>> {
>> struct dw_pcie *pci = to_dw_pcie_from_ep(ep);
>>
>> diff --git a/drivers/pci/dwc/pcie-designware-ep.c b/drivers/pci/dwc/pcie-designware-ep.c
>> index 15b22a6..874d4c2 100644
>> --- a/drivers/pci/dwc/pcie-designware-ep.c
>> +++ b/drivers/pci/dwc/pcie-designware-ep.c
>> @@ -40,6 +40,44 @@ void dw_pcie_ep_reset_bar(struct dw_pcie *pci, enum pci_barno bar)
>> __dw_pcie_ep_reset_bar(pci, bar, 0);
>> }
>>
>> +void dw_pcie_ep_find_cap_addr(struct dw_pcie_ep *ep)
>> +{
>
> This should be implemented in a generic way similar to pci_find_capability().
> It'll be useful when we try to implement other capabilities as well.
Hum, what you suggest? Something implemented on the pci-epf-core?
>
> Thanks
> Kishon
>
Regards,
Gustavo
