Dave Jiang wrote:
>
>
> On 8/16/24 7:44 AM, ira.we...@intel.com wrote:
> > From: Navneet Singh
> >
> > Extent information can be helpful to the user to coordinate memory usage
> > with the external orchestrator and FM.
> >
> > Expose the details of region extents by creating the following
> >
Dave Jiang wrote:
>
>
> On 8/16/24 7:44 AM, ira.we...@intel.com wrote:
> > From: Navneet Singh
> >
[snip]
> >
> > Process DCD events and create region devices.
> >
> > Signed-off-by: Navneet Singh
> > Co-developed-by: Ira Weiny
> > Signed-off-by: Ira Weiny
>
> A few nits below, but in g
Dave Jiang wrote:
>
>
> On 8/16/24 7:44 AM, ira.we...@intel.com wrote:
> > From: Navneet Singh
> >
> > To properly configure CXL regions on Dynamic Capacity Devices (DCD),
> > user space will need to know the details of the DC partitions available.
> >
> > Expose dynamic capacity capabilities
Dave Jiang wrote:
>
>
> On 8/16/24 7:44 AM, ira.we...@intel.com wrote:
> > From: Navneet Singh
> >
[snip]
> > +static int dc_mode_to_region_index(enum cxl_decoder_mode mode)
> > +{
> > + return mode - CXL_DECODER_DC0;
> > +}
> > +
> > +static int cxl_request_skip(struct cxl_endpoint_decoder
Fan Ni wrote:
> On Fri, Aug 16, 2024 at 02:45:47PM -0700, Dave Jiang wrote:
[snip]
> > > +
> > > +/**
> > > + * cxl_dev_dynamic_capacity_identify() - Reads the dynamic capacity
> > > + *information from the device.
> > > + * @mds: The memory device state
>
Fan Ni wrote:
> On Fri, Aug 16, 2024 at 02:45:47PM -0700, Dave Jiang wrote:
> >
> > > +
> > > +/**
> > > + * cxl_dev_dynamic_capacity_identify() - Reads the dynamic capacity
> > > + *information from the device.
> > > + * @mds: The memory device state
> > >
On Fri, Aug 16, 2024 at 09:44:23AM -0500, Ira Weiny wrote:
> Dynamic Capacity Devices (DCD) require event interrupts to process
> memory addition or removal. BIOS may have control over non-DCD event
> processing. DCD interrupt configuration needs to be separate from
> memory event interrupt confi
On Fri, Aug 16, 2024 at 09:44:22AM -0500, Ira Weiny wrote:
> Dynamic Capacity Devices (DCD) require event interrupts to process
> memory addition or removal. BIOS may have control over non-DCD event
> processing. DCD interrupt configuration needs to be separate from
> memory event interrupt confi
On Fri, Aug 16, 2024 at 09:44:20AM -0500, Ira Weiny wrote:
> create_pmem_region_store() and create_ram_region_store() are identical
> with the exception of the region mode. With the addition of DC region
> mode this would end up being 3 copies of the same code.
>
> Refactor create_pmem_region_sto
On Fri, Aug 16, 2024 at 09:44:21AM -0500, ira.we...@intel.com wrote:
> From: Navneet Singh
>
> Dynamic Capacity CXL regions must allow memory to be added or removed
> dynamically. In addition to the quantity of memory available the
> location of the memory within a DC partition is dynamic based
On Thu, Aug 22, 2024 at 12:53:32PM -0500, Ira Weiny wrote:
> Petr Mladek wrote:
> > On Fri 2024-08-16 09:44:10, Ira Weiny wrote:
...
> > > + %par[range 0x6000-0x6fff] or
> >
> > It seems that it is always 64-bit. It prints:
> >
> > struct range {
> > u64 start;
> > u64 e
Petr Mladek wrote:
> On Fri 2024-08-16 09:44:10, Ira Weiny wrote:
> > The use of struct range in the CXL subsystem is growing. In particular,
> > the addition of Dynamic Capacity devices uses struct range in a number
> > of places which are reported in debug and error messages.
> >
> > To wit req
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