Messages in this thread | | | Subject | Re: [PATCH RFC 00/15] Add VFIO mediated device support and IMS support for the idxd driver. | From | "Dey, Megha" <> | Date | Sun, 3 May 2020 15:32:47 -0700 |
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Hi Jason,
On 5/3/2020 3:21 PM, Jason Gunthorpe wrote: > On Fri, May 01, 2020 at 03:31:14PM -0700, Dey, Megha wrote: >> Hi Jason, >> >> On 4/23/2020 12:49 PM, Jason Gunthorpe wrote: >>> On Thu, Apr 23, 2020 at 12:17:50PM -0700, Dan Williams wrote: >>> >>>> Per Megha's follow-up can you send the details about that other device >>>> and help clear a path for a device-specific MSI addr/data table >>>> format. Ever since HMM I've been sensitive, perhaps overly-sensitive, >>>> to claims about future upstream users. The fact that you have an >>>> additional use case is golden for pushing this into a common area and >>>> validating the scope of the proposed API. >>> >>> I think I said it at plumbers, but yes, we are interested in this, and >>> would like dynamic MSI-like interrupts available to the driver (what >>> Intel calls IMS) >>> >> >> So basically you are looking for a way to dynamically allocate the >> platform-msi interrupts, correct? > > The basic high level interface here seems fine, which is bascially a > way for a driver to grab a bunch of platform-msi interrupts for its > own use
ok! > >> Since I don't have access to any of the platform-msi devices, it is hard for >> me to test this code for other drivers expect idxd for now. >> Once I submit the next round of patches, after addressing all the comments, >> would it be possible for you to test this code for any of your devices? > > Possibly, need to find time > Sure, thanks!
> Jason >
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