From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Stephen Hemminger <shemminger@osdl.org>
Cc: Greg Kroah-Hartman <gregkh@suse.de>,
linux-pci@atrey.karlin.mff.cuni.cz, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 0/6] PCI-X/PCI-Express read control interfaces
Date: Thu, 14 Dec 2006 11:34:24 +1100 [thread overview]
Message-ID: <1166056464.11914.249.camel@localhost.localdomain> (raw)
In-Reply-To: <20061213161734.42821fdf@freekitty>
> I am thinking in the next revision of these of masking the distinction
> between pci-x and pci express and just have:
>
> pci_get_read_count
> pci_get_max_read_count
> pci_set_read_count
We absolutely need an arch hook though to limit the size. We need to
make sure we don't go over the capabilities of parent bridges,
especially the host bridge. P2P bridges and most PCIe host bridges can
be handled by generic code but pretty much no PCI-X host bridge, they'll
need an arch hook.
Ben.
prev parent reply other threads:[~2006-12-14 0:34 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-12-08 18:22 [PATCH 0/6] PCI-X/PCI-Express read control interfaces Stephen Hemminger
2006-12-08 18:22 ` [PATCH 1/6] PCI-X Max Read Byte Count interface Stephen Hemminger
2006-12-08 22:56 ` [PATCH 1/6] PCI-X Max Read Byte Count interface (v2) Stephen Hemminger
2006-12-08 18:22 ` [PATCH 2/6] e1000: use pcix_set_mmrbc Stephen Hemminger
2006-12-08 21:45 ` Roland Dreier
2006-12-08 22:43 ` Stephen Hemminger
2006-12-08 22:58 ` Auke Kok
2006-12-08 23:38 ` Jeff Kirsher
2006-12-08 18:22 ` [PATCH 3/6] PCI Express get/set read request size Stephen Hemminger
2006-12-08 18:22 ` [PATCH 4/6] MTHCA driver (infiniband) use new pci interfaces Stephen Hemminger
2006-12-08 21:46 ` Roland Dreier
2006-12-11 3:55 ` Benjamin Herrenschmidt
2006-12-11 5:56 ` Grant Grundler
2006-12-12 1:38 ` Roland Dreier
2006-12-12 1:59 ` Benjamin Herrenschmidt
2006-12-08 18:22 ` [PATCH 5/6] QLA2 use pci read tuning interface Stephen Hemminger
2006-12-08 18:22 ` [PATCH 6/6] PCI-X relaxed ordering interface Stephen Hemminger
2006-12-11 3:48 ` [PATCH 0/6] PCI-X/PCI-Express read control interfaces Benjamin Herrenschmidt
2006-12-14 0:17 ` Stephen Hemminger
2006-12-14 0:34 ` Benjamin Herrenschmidt [this message]
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