From: Michael Ellerman <patch-notifications@ellerman•id.au>
To: Philippe Bergheaud <felix@linux•vnet.ibm.com>,
linuxppc-dev@lists•ozlabs.org
Cc: Philippe Bergheaud <felix@linux•vnet.ibm.com>,
benh@au1•ibm.com, clombard@linux•vnet.ibm.com,
fbarrat@linux•vnet.ibm.com
Subject: Re: [v10,1/2] powerpc/powernv: Enable tunneled operations
Date: Wed, 14 Mar 2018 20:28:22 +1100 (AEDT) [thread overview]
Message-ID: <401RGz174Dz9sVh@ozlabs.org> (raw)
In-Reply-To: <20180302095612.19493-1-felix@linux.vnet.ibm.com>
On Fri, 2018-03-02 at 09:56:11 UTC, Philippe Bergheaud wrote:
> P9 supports PCI tunneled operations (atomics and as_notify). This
> patch adds support for tunneled operations on powernv, with a new
> API, to be called by device drivers:
>
> pnv_pci_enable_tunnel()
> Enable tunnel operations, tell driver the 16-bit ASN indication
> used by kernel.
>
> pnv_pci_disable_tunnel()
> Disable tunnel operations.
>
> pnv_pci_set_tunnel_bar()
> Tell kernel the Tunnel BAR Response address used by driver.
> This function uses two new OPAL calls, as the PBCQ Tunnel BAR
> register is configured by skiboot.
>
> pnv_pci_get_as_notify_info()
> Return the ASN info of the thread to be woken up.
>
> Signed-off-by: Philippe Bergheaud <felix@linux•vnet.ibm.com>
> Reviewed-by: Frederic Barrat <fbarrat@linux•vnet.ibm.com>
> Reviewed-by: Christophe Lombard <clombard@linux•vnet.ibm.com>
Series applied to powerpc next, thanks.
https://git.kernel.org/powerpc/c/d6a90bb83b5084829558788ea5b881
cheers
prev parent reply other threads:[~2018-03-14 9:28 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-03-02 9:56 [PATCH v10 1/2] powerpc/powernv: Enable tunneled operations Philippe Bergheaud
2018-03-02 9:56 ` [PATCH v10 2/2] cxl: read PHB indications from the device tree Philippe Bergheaud
2018-03-06 16:57 ` christophe lombard
2018-03-06 16:55 ` [PATCH v10 1/2] powerpc/powernv: Enable tunneled operations christophe lombard
2018-03-14 9:28 ` Michael Ellerman [this message]
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