roves (jgroves)
> , Kelley, Sean V
>Subject: [EXT] Re: [PATCH 04/14] cxl/mem: Implement polled mode mailbox
>
>CAUTION: EXTERNAL EMAIL. Do not click links or open attachments unless
>you recognize the sender and were expecting this message.
>On Mon, Feb 1, 20
Masters
, Jonathan Cameron , Rafael
Wysocki , Randy Dunlap ,
Vishal Verma , daniel@alibaba-inc.com
, John Groves (jgroves) ,
Kelley, Sean V
Subject: [EXT] Re: [PATCH 04/14] cxl/mem: Implement polled mode mailbox
CAUTION: EXTERNAL EMAIL. Do not click links or open attachments unless you
On 21-02-02 15:54:03, Dan Williams wrote:
> On Tue, Feb 2, 2021 at 2:57 PM Ben Widawsky wrote:
> >
> > On 21-02-01 12:00:18, Dan Williams wrote:
> > > On Sat, Jan 30, 2021 at 3:52 PM David Rientjes
> > > wrote:
> > > >
> > > > On Fri, 29 Jan 2021, Ben Widawsky wrote:
> > > >
> > > > > Provide
On Tue, Feb 2, 2021 at 2:57 PM Ben Widawsky wrote:
>
> On 21-02-01 12:00:18, Dan Williams wrote:
> > On Sat, Jan 30, 2021 at 3:52 PM David Rientjes wrote:
> > >
> > > On Fri, 29 Jan 2021, Ben Widawsky wrote:
> > >
> > > > Provide enough functionality to utilize the mailbox of a memory device.
>
On 21-02-01 12:00:18, Dan Williams wrote:
> On Sat, Jan 30, 2021 at 3:52 PM David Rientjes wrote:
> >
> > On Fri, 29 Jan 2021, Ben Widawsky wrote:
> >
> > > Provide enough functionality to utilize the mailbox of a memory device.
> > > The mailbox is used to interact with the firmware running on
On 21-01-30 15:51:57, David Rientjes wrote:
> On Fri, 29 Jan 2021, Ben Widawsky wrote:
>
[snip]
> > +/**
> > + * cxl_mem_mbox_send_cmd() - Send a mailbox command to a memory device.
> > + * @cxlm: The CXL memory device to communicate with.
> > + * @mbox_cmd: Command to send to the memory
On Sat, Jan 30, 2021 at 3:52 PM David Rientjes wrote:
>
> On Fri, 29 Jan 2021, Ben Widawsky wrote:
>
> > Provide enough functionality to utilize the mailbox of a memory device.
> > The mailbox is used to interact with the firmware running on the memory
> > device.
> >
> > The CXL specification
On Mon, Feb 1, 2021 at 11:13 AM Ben Widawsky wrote:
>
> On 21-02-01 12:54:00, Konrad Rzeszutek Wilk wrote:
> > > +#define cxl_doorbell_busy(cxlm)
> > > \
> > > + (cxl_read_mbox_reg32(cxlm, CXLDEV_MB_CTRL_OFFSET) &
> > > \
> > >
On 21-02-01 12:54:00, Konrad Rzeszutek Wilk wrote:
> > +#define cxl_doorbell_busy(cxlm)
> > \
> > + (cxl_read_mbox_reg32(cxlm, CXLDEV_MB_CTRL_OFFSET) &\
> > +CXLDEV_MB_CTRL_DOORBELL)
> > +
> > +#define CXL_MAILBOX_TIMEOUT_US
> +#define cxl_doorbell_busy(cxlm)
> \
> + (cxl_read_mbox_reg32(cxlm, CXLDEV_MB_CTRL_OFFSET) &\
> + CXLDEV_MB_CTRL_DOORBELL)
> +
> +#define CXL_MAILBOX_TIMEOUT_US 2000
You been using the spec for the values. Is that
On Fri, 29 Jan 2021, Ben Widawsky wrote:
> Provide enough functionality to utilize the mailbox of a memory device.
> The mailbox is used to interact with the firmware running on the memory
> device.
>
> The CXL specification defines separate capabilities for the mailbox and
> the memory device.
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