From: Alexey Kardashevskiy <aik@ozlabs.ru>
To: Frederic Barrat <fbarrat@linux.ibm.com>,
linuxppc-dev@lists.ozlabs.org, andrew.donnellan@au1.ibm.com,
clombard@linux.ibm.com
Cc: groug@kaod.org, alastair@au1.ibm.com
Subject: Re: [PATCH 00/11] opencapi: enable card reset and link retraining
Date: Tue, 24 Sep 2019 14:24:05 +1000 [thread overview]
Message-ID: <7e29a072-f212-5d09-05b5-dbc1ee0916f0@ozlabs.ru> (raw)
In-Reply-To: <20190909154600.19917-1-fbarrat@linux.ibm.com>
Hi Fred,
what is this made against of? It does not apply on the master. Thanks,
On 10/09/2019 01:45, Frederic Barrat wrote:
> This is the linux part of the work to use the PCI hotplug framework to
> control an opencapi card so that it can be reset and re-read after
> flashing a new FPGA image. I had posted it earlier as an RFC and this
> version is mostly similar, with just some minor editing.
>
> It needs support in skiboot:
> http://patchwork.ozlabs.org/project/skiboot/list/?series=129724
> On an old skiboot, it will do nothing.
>
> A virtual PCI slot is created for the opencapi adapter, and its state
> can be controlled through the pnv-php hotplug driver:
>
> echo 0|1 > /sys/bus/pci/slots/OPENCAPI-<...>/power
>
> Note that the power to the card is not really turned off, as the card
> needs to stay on to be flashed with a new image. Instead the card is
> in reset.
>
> The first part of the series mostly deals with the pci/ioda state, as
> the opencapi devices can now go away and the state needs to be cleaned
> up.
>
> The second part is modifications to the PCI hotplug driver on powernv,
> so that a virtual slot is created for the opencapi adapters found in
> the device tree.
>
>
>
> Frederic Barrat (11):
> powerpc/powernv/ioda: Fix ref count for devices with their own PE
> powerpc/powernv/ioda: Protect PE list
> powerpc/powernv/ioda: set up PE on opencapi device when enabling
> powerpc/powernv/ioda: Release opencapi device
> powerpc/powernv/ioda: Find opencapi slot for a device node
> pci/hotplug/pnv-php: Remove erroneous warning
> pci/hotplug/pnv-php: Improve error msg on power state change failure
> pci/hotplug/pnv-php: Register opencapi slots
> pci/hotplug/pnv-php: Relax check when disabling slot
> pci/hotplug/pnv-php: Wrap warnings in macro
> ocxl: Add PCI hotplug dependency to Kconfig
>
> arch/powerpc/include/asm/pnv-pci.h | 1 +
> arch/powerpc/platforms/powernv/pci-ioda.c | 107 ++++++++++++++--------
> arch/powerpc/platforms/powernv/pci.c | 10 +-
> drivers/misc/ocxl/Kconfig | 1 +
> drivers/pci/hotplug/pnv_php.c | 82 ++++++++++-------
> 5 files changed, 125 insertions(+), 76 deletions(-)
>
--
Alexey
next prev parent reply other threads:[~2019-09-24 4:26 UTC|newest]
Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-09 15:45 [PATCH 00/11] opencapi: enable card reset and link retraining Frederic Barrat
2019-09-09 15:45 ` [PATCH 01/11] powerpc/powernv/ioda: Fix ref count for devices with their own PE Frederic Barrat
2019-09-10 0:20 ` Alastair D'Silva
2019-09-26 16:44 ` Andrew Donnellan
2019-09-26 17:15 ` Frederic Barrat
2019-09-27 6:54 ` Alexey Kardashevskiy
2019-11-12 17:38 ` Frederic Barrat
2019-11-18 1:04 ` Alistair Popple
2019-11-18 1:24 ` Oliver O'Halloran
2019-11-18 2:36 ` Alistair Popple
2019-11-18 18:21 ` Frederic Barrat
2019-09-09 15:45 ` [PATCH 02/11] powerpc/powernv/ioda: Protect PE list Frederic Barrat
2019-09-10 0:34 ` Alastair D'Silva
2019-11-19 12:55 ` Frederic Barrat
2019-11-19 13:22 ` Oliver O'Halloran
2019-11-19 14:36 ` Frederic Barrat
2019-11-19 5:55 ` Andrew Donnellan
2019-09-09 15:45 ` [PATCH 03/11] powerpc/powernv/ioda: set up PE on opencapi device when enabling Frederic Barrat
2019-09-10 0:38 ` Alastair D'Silva
2019-09-27 16:43 ` Andrew Donnellan
2019-09-09 15:45 ` [PATCH 04/11] powerpc/powernv/ioda: Release opencapi device Frederic Barrat
2019-09-10 0:56 ` Alastair D'Silva
2019-11-19 17:32 ` Frederic Barrat
2019-11-19 7:08 ` Andrew Donnellan
2019-09-09 15:45 ` [PATCH 05/11] powerpc/powernv/ioda: Find opencapi slot for a device node Frederic Barrat
2019-09-10 0:57 ` Alastair D'Silva
2019-11-19 1:26 ` Andrew Donnellan
2019-11-19 14:33 ` Frederic Barrat
2019-09-09 15:45 ` [PATCH 06/11] pci/hotplug/pnv-php: Remove erroneous warning Frederic Barrat
2019-09-10 0:58 ` Alastair D'Silva
2019-11-19 5:00 ` Andrew Donnellan
2019-09-09 15:45 ` [PATCH 07/11] pci/hotplug/pnv-php: Improve error msg on power state change failure Frederic Barrat
2019-09-10 0:59 ` Alastair D'Silva
2019-11-19 2:23 ` Andrew Donnellan
2019-09-09 15:45 ` [PATCH 08/11] pci/hotplug/pnv-php: Register opencapi slots Frederic Barrat
2019-09-10 1:00 ` Alastair D'Silva
2019-11-19 5:18 ` Andrew Donnellan
2019-11-19 15:15 ` Frederic Barrat
2019-09-09 15:45 ` [PATCH 09/11] pci/hotplug/pnv-php: Relax check when disabling slot Frederic Barrat
2019-09-10 1:00 ` Alastair D'Silva
2019-09-27 15:56 ` Andrew Donnellan
2019-09-09 15:45 ` [PATCH 10/11] pci/hotplug/pnv-php: Wrap warnings in macro Frederic Barrat
2019-09-10 1:03 ` Alastair D'Silva
2019-09-26 17:18 ` Andrew Donnellan
2019-09-09 15:46 ` [PATCH 11/11] ocxl: Add PCI hotplug dependency to Kconfig Frederic Barrat
2019-09-10 1:03 ` Alastair D'Silva
2019-09-26 17:11 ` Andrew Donnellan
2019-09-24 4:24 ` Alexey Kardashevskiy [this message]
2019-09-24 6:39 ` [PATCH 00/11] opencapi: enable card reset and link retraining Frederic Barrat
2019-09-25 0:20 ` Alexey Kardashevskiy
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