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From: Kishon Vijay Abraham I <kishon@ti.com>
To: Ramon Fried <ramon.fried@gmail.com>, <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 18:23:11 +0530	[thread overview]
Message-ID: <cdc09cf9-27dd-7838-34e7-12d63571e770@ti.com> (raw)
In-Reply-To: <CA+Kvs9kZKt0tvsB-YqomM7grvRyDr=B-HPWUNv1ZcKi8w9ms-A@mail.gmail.com>

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

  reply	other threads:[~2018-08-14 12:53 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-08-14 12:49 Ramon Fried
2018-08-14 12:53 ` Kishon Vijay Abraham I [this message]
2018-08-14 12:55   ` Ramon Fried
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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