From: Ramon Fried <ramon.fried@gmail.com>
To: kishon@ti.com
Cc: lorenzo.pieralisi@arm.com, bhelgaas@google.com,
linux-pci@vger.kernel.org,
open list <linux-kernel@vger.kernel.org>
Subject: Re: PCI Endpoint - Missing inbound mapping ops ?
Date: Tue, 14 Aug 2018 13:55:32 +0100 [thread overview]
Message-ID: <CA+Kvs9mV3u045acfBa2pEiUcVDyYroVrobtsKKBpDAfX+Os5iQ@mail.gmail.com> (raw)
In-Reply-To: <cdc09cf9-27dd-7838-34e7-12d63571e770@ti.com>
On Tue, Aug 14, 2018 at 1:53 PM Kishon Vijay Abraham I <kishon@ti.com> wrote:
>
> Hi,
>
> On Tuesday 14 August 2018 06:19 PM, Ramon Fried wrote:
> > Hi.
> > I recently saw that the PCI endpoint API only supports outbound memory
> > mapping: (AXI -> PCI) through the map_addr op.
> > Why inbound mapping is missing (PCI->AXI) is missing ?
> > In almost all of the PCI EP controllers I've worked with there was a
> > need to map complete BARS or part of BARS to mmio/aperature regions on
> > the device.
>
> pci_epc_set_bar() is used for mapping BAR.
Thanks Kishon.
what about address mapping ? Synopsys has this functionality if I
recall correctly.
>
> Thanks
> Kishon
next prev parent reply other threads:[~2018-08-14 12:55 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-08-14 12:49 PCI Endpoint - Missing inbound mapping ops ? Ramon Fried
2018-08-14 12:53 ` Kishon Vijay Abraham I
2018-08-14 12:55 ` Ramon Fried [this message]
2018-08-14 13:04 ` Kishon Vijay Abraham I
2018-08-14 13:06 ` Ramon Fried
2018-08-14 13:08 ` Miguel Ojeda
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