Re: [PATCH v4 02/10] hw/cxl/cxl-mailbox-utils: Add dynamic capacity region representative and mailbox command support

[fan <nifan.cxl@gmail.com>]

On Thu, Feb 22, 2024 at 04:45:25PM +0900, Wonjae Lee wrote:
> On Wed, Feb 21, 2024 at 10:15:55AM -0800, nifan.cxl@gmail.com wrote:
> > From: Fan Ni <fan.ni@samsung.com>
> >
> > Per cxl spec r3.1, add dynamic capacity region representative based on
> > Table 8-165 and extend the cxl type3 device definition to include dc region
> > information. Also, based on info in 8.2.9.9.9.1, add 'Get Dynamic Capacity
> > Configuration' mailbox support.
> >
> > Note: decode_len of a dc region is aligned to 256*MiB, divided by
> > 256 * MiB before returned to the host for "Get Dynamic Capacity Configuration"
> > mailbox command.
> >
> > Signed-off-by: Fan Ni <fan.ni@samsung.com>
> > ---
> >  hw/cxl/cxl-mailbox-utils.c  | 110 ++++++++++++++++++++++++++++++++++++
> >  include/hw/cxl/cxl_device.h |  16 ++++++
> >  2 files changed, 126 insertions(+)
> >
> > diff --git a/hw/cxl/cxl-mailbox-utils.c b/hw/cxl/cxl-mailbox-utils.c
> > index ba1d9901df..88e3b733e3 100644
> > --- a/hw/cxl/cxl-mailbox-utils.c
> > +++ b/hw/cxl/cxl-mailbox-utils.c
> > @@ -22,6 +22,7 @@
> >
> 
> [snip]
> 
> > +#ifdef CXL_SPEC_AFTER_R30
> > +    /*FIXME: need to set valid values in the future*/
> > +    stq_le_p(&extra_out->num_extents_supported, 0);
> > +    stq_le_p(&extra_out->num_extents_available, 0);
> > +    stq_le_p(&extra_out->num_tags_supported, 0);
> > +    stq_le_p(&extra_out->num_tags_available, 0);
> 
> Hello,
> 
> It's a trivial comment and doesn't have any impact yet, but shouldn't it
> be stl_le_p()?
> 
> Thanks,
> Wonjae

Hi Wonjae,

Thanks for the review. You are right, will fix in the next version.

Fan