2015-05-01 19:20:18

by Alex Williamson

Subject: [PATCH] PCI: ACS quirks for Intel 9-series PCH root ports

Intel confirms that 9-series chipset root ports provide ACS-equivalent
isolation when configured via the existing Intel PCH ACS quirk setup.

Signed-off-by: Alex Williamson <[email protected]>
Cc: Don Dugger <[email protected]>
---
drivers/pci/quirks.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index c6dc1df..f126bd6 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -3740,6 +3740,8 @@ static const u16 pci_quirk_intel_pch_acs_ids[] = {
/* Wellsburg (X99) PCH */
0x8d10, 0x8d11, 0x8d12, 0x8d13, 0x8d14, 0x8d15, 0x8d16, 0x8d17,
0x8d18, 0x8d19, 0x8d1a, 0x8d1b, 0x8d1c, 0x8d1d, 0x8d1e,
+ /* Lynx Point (9 series) PCH */
+ 0x8c90, 0x8c92, 0x8c94, 0x8c96, 0x8c98, 0x8c9a, 0x8c9c, 0x8c9e,
};

static bool pci_quirk_intel_pch_acs_match(struct pci_dev *dev)

2015-05-01 20:37:08

by Dugger, Donald D

Subject: RE: [PATCH] PCI: ACS quirks for Intel 9-series PCH root ports

>
> Intel confirms that 9-series chipset root ports provide ACS-equivalent isolation when configured via the existing Intel PCH ACS quirk setup.
>
> Signed-off-by: Alex Williamson <[email protected]>
> Cc: Don Dugger <[email protected]>

Acked-by: Don Dugger <[email protected]>

> ---
> drivers/pci/quirks.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index c6dc1df..f126bd6 100644
> --- a/drivers/pci/quirks.c
> +++ b/drivers/pci/quirks.c
> @@ -3740,6 +3740,8 @@ static const u16 pci_quirk_intel_pch_acs_ids[] = {
> /* Wellsburg (X99) PCH */
> 0x8d10, 0x8d11, 0x8d12, 0x8d13, 0x8d14, 0x8d15, 0x8d16, 0x8d17,
> 0x8d18, 0x8d19, 0x8d1a, 0x8d1b, 0x8d1c, 0x8d1d, 0x8d1e,
> + /* Lynx Point (9 series) PCH */
> + 0x8c90, 0x8c92, 0x8c94, 0x8c96, 0x8c98, 0x8c9a, 0x8c9c, 0x8c9e,
> };
>
> static bool pci_quirk_intel_pch_acs_match(struct pci_dev *dev)


--
Don Dugger
"Censeo Toto nos in Kansa esse decisse." - D. Gale
Ph: 303/443-3786

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2015-05-15 22:57:55

by Bjorn Helgaas

Subject: Re: [PATCH] PCI: ACS quirks for Intel 9-series PCH root ports

On Fri, May 01, 2015 at 01:20:13PM -0600, Alex Williamson wrote:
> Intel confirms that 9-series chipset root ports provide ACS-equivalent
> isolation when configured via the existing Intel PCH ACS quirk setup.
>
> Signed-off-by: Alex Williamson <[email protected]>
> Cc: Don Dugger <[email protected]>

Applied with Don's ack to pci/virtualization for v4.2, thanks!

> ---
> drivers/pci/quirks.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
> index c6dc1df..f126bd6 100644
> --- a/drivers/pci/quirks.c
> +++ b/drivers/pci/quirks.c
> @@ -3740,6 +3740,8 @@ static const u16 pci_quirk_intel_pch_acs_ids[] = {
> /* Wellsburg (X99) PCH */
> 0x8d10, 0x8d11, 0x8d12, 0x8d13, 0x8d14, 0x8d15, 0x8d16, 0x8d17,
> 0x8d18, 0x8d19, 0x8d1a, 0x8d1b, 0x8d1c, 0x8d1d, 0x8d1e,
> + /* Lynx Point (9 series) PCH */
> + 0x8c90, 0x8c92, 0x8c94, 0x8c96, 0x8c98, 0x8c9a, 0x8c9c, 0x8c9e,
> };
>
> static bool pci_quirk_intel_pch_acs_match(struct pci_dev *dev)
>