From: Ramon Fried <ramon.fried@gmail.com>
To: kishon@ti.com, lorenzo.pieralisi@arm.com, bhelgaas@google.com,
linux-pci@vger.kernel.org,
open list <linux-kernel@vger.kernel.org>
Subject: PCI Endpoint - Missing inbound mapping ops ?
Date: Tue, 14 Aug 2018 13:49:20 +0100 [thread overview]
Message-ID: <CA+Kvs9kZKt0tvsB-YqomM7grvRyDr=B-HPWUNv1ZcKi8w9ms-A@mail.gmail.com> (raw)
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.
Thanks !
Ramon.
next reply other threads:[~2018-08-14 12:49 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-08-14 12:49 Ramon Fried [this message]
2018-08-14 12:53 ` PCI Endpoint - Missing inbound mapping ops ? Kishon Vijay Abraham I
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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