Re: [PATCH] PCI/MSI: Set device flag indicating only 32-bit MSI support

2020-11-23 Thread Vidya Sagar
On 11/21/2020 3:00 AM, Bjorn Helgaas wrote: External email: Use caution opening links or attachments On Tue, Nov 17, 2020 at 08:27:28PM +0530, Vidya Sagar wrote: There are devices (Ex:- Marvell SATA controller) that don't support 64-bit MSIs and the same is advertised through their MSI capa

Re: [PATCH] PCI/MSI: Set device flag indicating only 32-bit MSI support

2020-11-20 Thread Bjorn Helgaas
On Tue, Nov 17, 2020 at 08:27:28PM +0530, Vidya Sagar wrote: > There are devices (Ex:- Marvell SATA controller) that don't support > 64-bit MSIs and the same is advertised through their MSI capability > register. I *think* you're saying these devices behave correctly per spec: they don't support

[PATCH] PCI/MSI: Set device flag indicating only 32-bit MSI support

2020-11-17 Thread Vidya Sagar
There are devices (Ex:- Marvell SATA controller) that don't support 64-bit MSIs and the same is advertised through their MSI capability register. Set no_64bit_msi flag explicitly for such devices in the MSI setup code so that the msi_verify_entries() API would catch if the MSI arch code tries to us