Le 25/10/2019 à 06:47, Alastair D'Silva a écrit :
From: Alastair D'Silva
This patch retrieves the serial number of the card and makes it available
to consumers of the ocxl driver via the ocxl_fn struct.
Signed-off-by: Alastair D'Silva
---
Acked-by: Frederic Barrat
Le 25/10/2019 à 06:47, Alastair D'Silva a écrit :
From: Alastair D'Silva
Enable OpenCAPI Storage Class Memory driver on bare metal
Signed-off-by: Alastair D'Silva
---
arch/powerpc/configs/powernv_defconfig | 4
1 file changed, 4 insertions(+)
diff --git a/arch/powerpc/configs/powe
Le 27/09/2019 à 08:54, Alexey Kardashevskiy a écrit :
On 27/09/2019 03:15, Frederic Barrat wrote:
Le 26/09/2019 à 18:44, Andrew Donnellan a écrit :
On 9/9/19 5:45 pm, Frederic Barrat wrote:
Taking a reference on the pci_dev structure was required with initial
commit 184cd4a3b962
Hi Alastair,
The patch is huge and could/should probably be split in smaller pieces
to ease the review. However, having sinned on that same topic in the
past, I made a first pass anyway. I haven't covered everything but tried
to focus on the general setup of the driver for now.
Since the patch
Le 18/11/2019 à 03:36, Alistair Popple a écrit :
On Monday, 18 November 2019 12:24:24 PM AEDT Oliver O'Halloran wrote:
On Mon, Nov 18, 2019 at 12:06 PM Alistair Popple
wrote:
On Wednesday, 13 November 2019 4:38:21 AM AEDT Frederic Barrat wrote:
However, one question is whether
Le 10/09/2019 à 02:34, Alastair D'Silva a écrit :
On Mon, 2019-09-09 at 17:45 +0200, Frederic Barrat wrote:
Protect the PHB's list of PE. Probably not needed as long as it was
populated during PHB creation, but it feels right and will become
required once we can add/remove openca
Le 19/11/2019 à 02:26, Andrew Donnellan a écrit :
On 10/9/19 1:45 am, Frederic Barrat wrote:
diff --git a/arch/powerpc/platforms/powernv/pci.c
b/arch/powerpc/platforms/powernv/pci.c
index 6104418c9ad5..00a79f3c989f 100644
--- a/arch/powerpc/platforms/powernv/pci.c
+++ b/arch/powerpc
Le 19/11/2019 à 14:22, Oliver O'Halloran a écrit :
On Tue, Nov 19, 2019 at 11:57 PM Frederic Barrat wrote:
Do the other accessors of ioda.pe_list also need mutex protection?
pnv_ioda_setup_bus_PE()
pnv_pci_dma_bus_setup()
pnv_pci_init_ioda_phb()
pnv_pci_ioda_setup_PEs()
I thi
Le 19/11/2019 à 06:18, Andrew Donnellan a écrit :
On 10/9/19 1:45 am, Frederic Barrat wrote:
Add the opencapi PHBs to the list of PHBs being scanned to look for
slots.
Signed-off-by: Frederic Barrat
---
drivers/pci/hotplug/pnv_php.c | 5 -
1 file changed, 4 insertions(+), 1 deletion
Le 10/09/2019 à 02:56, Alastair D'Silva a écrit :
On Mon, 2019-09-09 at 17:45 +0200, Frederic Barrat wrote:
With hotplug, an opencapi device can now go away. It needs to be
released, mostly to clean up its PE state. We were previously not
defining any device callback. We can reus
vice tree.
Changelog:
v2:
- rebase on latest kernel
- clarify the ref counting done for NPU devices when the PE is setup
- address comments from Andrew and Alastair
Frederic Barrat (11):
powerpc/powernv/ioda: Fix ref count for devices with their own PE
powerpc/powernv/ioda: Protect PE list
lease device callback for nvlink devices
for example. So to be safe, this patch leaks a reference on the npu
device, but only for nvlink and not opencapi.
CC: a...@ozlabs.ru
CC: ooh...@gmail.com
Signed-off-by: Frederic Barrat
---
Changelog:
v2:
- clarify the ref counting (and leak) done on npu devic
Protect the PHB's list of PE. Probably not needed as long as it was
populated during PHB creation, but it feels right and will become
required once we can add/remove opencapi devices on hotplug.
Reviewed-by: Andrew Donnellan
Signed-off-by: Frederic Barrat
---
Changelog:
v2: no change
minor tuning.
Also separate the undo of the PELT-V code in a separate function, it
is not needed for NPU devices and it improves a bit the readability of
the code.
Signed-off-by: Frederic Barrat
---
Changelog:
v2:
- start using pe->device_count for NPU devices to match expectatio
ial to assert the correct value, let's remove the
warning.
Reviewed-by: Alastair D'Silva
Reviewed-by: Andrew Donnellan
Signed-off-by: Frederic Barrat
---
Changelog:
v2: no change
drivers/pci/hotplug/pnv_php.c | 6 --
1 file changed, 6 deletions(-)
diff --git a/drivers/pci/hotp
state. Removing the devices will do nothing
since it's not populated, and we'll set the power state of the slot
back to off.
Reviewed-by: Alastair D'Silva
Reviewed-by: Andrew Donnellan
Signed-off-by: Frederic Barrat
---
Changelog:
v2: no change
drivers/pci/hotplug/pnv_php.c
ilva
Reviewed-by: Andrew Donnellan
Signed-off-by: Frederic Barrat
---
Changelog:
v2: no change
arch/powerpc/platforms/powernv/pci-ioda.c | 31 +--
1 file changed, 23 insertions(+), 8 deletions(-)
diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c
b/arch/powerpc/platforms
The PCI hotplug framework is used to update the devices when a new
image is written to the FPGA.
Reviewed-by: Alastair D'Silva
Reviewed-by: Andrew Donnellan
Signed-off-by: Frederic Barrat
---
Changelog:
v2: no change
drivers/misc/ocxl/Kconfig | 1 +
1 file changed, 1 insertion(+)
Add the opencapi PHBs to the list of PHBs being scanned to look for
slots.
Signed-off-by: Frederic Barrat
---
Changelog:
v2:
- fix unregistration (Andrew)
drivers/pci/hotplug/pnv_php.c | 5 +
1 file changed, 5 insertions(+)
diff --git a/drivers/pci/hotplug/pnv_php.c b/drivers/pci
y.
Reviewed-by: Alastair D'Silva
Reviewed-by: Andrew Donnellan
Signed-off-by: Frederic Barrat
---
Changelog:
v2: no change
drivers/pci/hotplug/pnv_php.c | 16 +++-
1 file changed, 11 insertions(+), 5 deletions(-)
diff --git a/drivers/pci/hotplug/pnv_php.c b/drivers/pci/hot
27;s build
it from the PHB ID, like skiboot.
Signed-off-by: Frederic Barrat
---
Changelog:
v2:
- rename variable used when looping (Andrew)
arch/powerpc/include/asm/pnv-pci.h | 1 +
arch/powerpc/platforms/powernv/pci.c | 24 ++--
2 files changed, 15 insertions(+), 10
n opencapi slot.
Reviewed-by: Alastair D'Silva
Reviewed-by: Andrew Donnellan
Signed-off-by: Frederic Barrat
---
Changelog:
v2: no change
drivers/pci/hotplug/pnv_php.c | 51 +++
1 file changed, 28 insertions(+), 23 deletions(-)
diff --git a/drivers/pci/hotplug
Le 27/11/2019 à 09:24, Greg Kurz a écrit :
On Wed, 27 Nov 2019 18:09:40 +1100
Alexey Kardashevskiy wrote:
On 20/11/2019 12:28, Oliver O'Halloran wrote:
The comment here implies that we don't need to take a ref to the pci_dev
because the ioda_pe will always have one. This implies that the
Le 27/11/2019 à 10:33, Greg Kurz a écrit :
On Wed, 27 Nov 2019 10:10:13 +0100
Frederic Barrat wrote:
Le 27/11/2019 à 09:24, Greg Kurz a écrit :
On Wed, 27 Nov 2019 18:09:40 +1100
Alexey Kardashevskiy wrote:
On 20/11/2019 12:28, Oliver O'Halloran wrote:
The comment here im
If we couldn't fully init a context, we were leaking memory.
Fixes: b9721d275cc2 ("ocxl: Allow external drivers to use OpenCAPI contexts")
Signed-off-by: Frederic Barrat
---
Changlog:
v3:
code cleanup (Greg)
v2:
reset context pointer in case of allocation
Improve the error message shown if a capi adapter is plugged on a
capi-incompatible slot directly under the PHB (no intermediate switch).
Fixes: 5632874311db ("cxl: Add support for POWER9 DD2")
Cc: sta...@vger.kernel.org # 4.14+
Signed-off-by: Frederic Barrat
---
drivers/misc/cxl
Le 08/04/2020 à 04:13, Andrew Donnellan a écrit :
On 7/4/20 9:56 pm, Frederic Barrat wrote:
Improve the error message shown if a capi adapter is plugged on a
capi-incompatible slot directly under the PHB (no intermediate switch).
Fixes: 5632874311db ("cxl: Add support for POWER9 DD2
Le 18/04/2020 à 16:40, Sasha Levin a écrit :
From: Frederic Barrat
[ Upstream commit 05dd7da76986937fb288b4213b1fa10dbe0d1b33 ]
This shouldn't be backported to stable.
Fred
The pci_dn structure used to store a pointer to the struct pci_dev, so
taking a reference on the devic
Le 18/04/2020 à 16:40, Sasha Levin a écrit :
From: Frederic Barrat
[ Upstream commit 658ab186dd22060408d94f5c5a6d02d809baba44 ]
This doesn't need to be backported to stable.
Fred
On powernv, when removing a device through hotplug, the following
warning is logged:
In
Le 18/04/2020 à 16:40, Sasha Levin a écrit :
From: Frederic Barrat
[ Upstream commit 49ce94b8677c7d7a15c4d7cbbb9ff1cd8387827b ]
This shouldn't be backported to stable.
Fred
The PCI hotplug framework is used to update the devices when a new
image is written to the FPGA.
Review
Le 18/04/2020 à 16:42, Sasha Levin a écrit :
From: Frederic Barrat
[ Upstream commit 05dd7da76986937fb288b4213b1fa10dbe0d1b33 ]
Like for kernel 5.4, the patches 41, 42, 43 of this series are not
desirable for stable.
Fred
The pci_dn structure used to store a pointer to the struct
Le 18/04/2020 à 16:09, Sasha Levin a écrit :
From: Frederic Barrat
[ Upstream commit 05dd7da76986937fb288b4213b1fa10dbe0d1b33 ]
Like for other stable kernels, patches 71, 72, 73 of this series are not
desirable for stable.
Fred
The pci_dn structure used to store a pointer to the
diff --git a/drivers/misc/cxl/Kconfig b/drivers/misc/cxl/Kconfig
index 39eec9031487..a62795079d9c 100644
--- a/drivers/misc/cxl/Kconfig
+++ b/drivers/misc/cxl/Kconfig
@@ -19,6 +19,7 @@ config CXL
select CXL_BASE
select CXL_AFU_DRIVER_OPS
select CXL_LIB
+ select SI
Le 13/08/2018 à 11:48, Andrew Donnellan a écrit :
On 13/08/18 19:01, Christophe Lombard wrote:
From: Christophe Lombard
Your git committer email should probably match your sign-off email.
The AFU Information DVSEC capability is a means to extract common,
general information about all of
Descriptor Data indexed by the
AFU Info Index field.
Fixes: 5ef3166e8a32 ("ocxl: Driver code for 'generic' opencapi devices")
Cc: stable # 4.16
Signed-off-by: Christophe Lombard
---
Thanks!
Acked-by: Frederic Barrat
Changelog[v2]
- Rebase to late
Le 03/10/2018 à 09:46, Alexey Kardashevskiy a écrit :
On 28/09/2018 22:46, Michael Ellerman wrote:
Alexey Kardashevskiy writes:
The included opal.h gives a wrong idea that CXL makes PPC OPAL calls
while it does not so let's remote it.
But it does use eg.
OPAL_PHB_CAPI_MODE_SNOOP_ON
Le 05/12/2018 à 20:16, Rob Herring a écrit :
Remove directly accessing device_type property and use the
of_node_is_type accessor instead. While not using it here, this is
part of eventually removing the struct device_node.type pointer.
Cc: Frederic Barrat
Cc: Arnd Bergmann
Cc: Greg Kroah
the characters appear in the right
order.
Do this with le32_to_cpu().
Signed-off-by: Greg Kurz
---
Thanks!
Acked-by: Frederic Barrat
drivers/misc/ocxl/config.c |2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/misc/ocxl/config.c b/drivers/misc/ocxl/config.c
Le 10/12/2018 à 16:13, Greg Kurz a écrit :
The AFU irq code doesn't need to reach out to the platform.
Signed-off-by: Greg Kurz
---
Acked-by: Frederic Barrat
drivers/misc/ocxl/afu_irq.c |1 -
1 file changed, 1 deletion(-)
diff --git a/drivers/misc/ocxl/afu_irq.c b/dr
pa
pointer. Drop both.
Signed-off-by: Greg Kurz
---
OK, that looks safe enough
Acked-by: Frederic Barrat
drivers/misc/ocxl/link.c |7 ++-
1 file changed, 2 insertions(+), 5 deletions(-)
diff --git a/drivers/misc/ocxl/link.c b/drivers/misc/ocxl/link.c
index 31695a078485..eed920551
().
Signed-off-by: Greg Kurz
---
This looks good. I don't have a fixed limit when I start using the "goto
undo" pattern, so it's likely inconsistent in other places as well.
Truth is I'm not too fussed either way.
Acked-by: Frederic Barrat
driver
eturn value of the
local debugfs_create_io_x64() call void, as no one ever did anything
with the return value (as they did not need to.)
And make the cxl_debugfs_* calls return void as no one was even checking
their return value at all.
Cc: Frederic Barrat
Cc: Andrew Donnellan
Cc: Arnd Bergman
Le 18/06/2019 à 03:50, Andrew Donnellan a écrit :
On 17/6/19 2:41 pm, Alastair D'Silva wrote:
From: Alastair D'Silva
If an OpenCAPI context is to be used directly by a kernel driver, there
may not be a suitable mm to use.
The patch makes the mm parameter to ocxl_context_attach optional.
S
se the
pci_dev will never be released. Which is not really a surprise as the
comment (removed here as no longer needed) was stating as much.
Fixes: 902bdc57451c ("powerpc/powernv/idoa: Remove unnecessary pcidev from
pci_dn")
Signed-off-by: Frederic Barrat
---
arch/powerpc/platforms/pow
f the reconfiguration of the bridge, but for opencapi
PHBs, we don't have an intermediate bridge. So let's define the PE
when the device is enabled. PEs are meaningless for opencapi, the NPU
doesn't define them and opal is not doing anything with them.
Signed-off-by: Frederic Barrat
---
ar
Protect the PHB's list of PE. Probably not needed as long as it was
populated during PHB creation, but it feels right and will become
required once we can add/remove opencapi devices on hotplug.
Signed-off-by: Frederic Barrat
---
arch/powerpc/platforms/powernv/pci-ioda.c | 6 +-
1
27;s build
it from the PHB ID, like skiboot.
Signed-off-by: Frederic Barrat
---
arch/powerpc/include/asm/pnv-pci.h | 1 +
arch/powerpc/platforms/powernv/pci.c | 10 +++---
2 files changed, 8 insertions(+), 3 deletions(-)
diff --git a/arch/powerpc/include/asm/pnv-pci.h
b/arch/powerpc/i
state. Removing the devices will do nothing
since it's not populated, and we'll set the power state of the slot
back to off.
Signed-off-by: Frederic Barrat
---
drivers/pci/hotplug/pnv_php.c | 8 +++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/drivers/pci/hotplug/pnv_
n opencapi slot.
Signed-off-by: Frederic Barrat
---
drivers/pci/hotplug/pnv_php.c | 33 ++---
1 file changed, 18 insertions(+), 15 deletions(-)
diff --git a/drivers/pci/hotplug/pnv_php.c b/drivers/pci/hotplug/pnv_php.c
index 74b62a8e11e7..08ac8f0df06c 100644
--- a/driv
Add the opencapi PHBs to the list of PHBs being scanned to look for
slots.
Signed-off-by: Frederic Barrat
---
drivers/pci/hotplug/pnv_php.c | 5 -
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/pci/hotplug/pnv_php.c b/drivers/pci/hotplug/pnv_php.c
index 5cdd2a3a4dd9
minor tuning.
Also separate the undo of the PELT-V code in a separate function, it
is not needed for NPU devices and it improves a bit the readability of
the code.
Signed-off-by: Frederic Barrat
---
arch/powerpc/platforms/powernv/pci-ioda.c | 58 +++
1 file changed, 38 inser
ial to assert the correct value, let's remove the
warning.
Signed-off-by: Frederic Barrat
---
drivers/pci/hotplug/pnv_php.c | 6 --
1 file changed, 6 deletions(-)
diff --git a/drivers/pci/hotplug/pnv_php.c b/drivers/pci/hotplug/pnv_php.c
index 6758fd7c382e..5b5cbf1e636d 100644
---
The PCI hotplug framework is used to update the devices when a new
image is written to the FPGA.
Signed-off-by: Frederic Barrat
---
drivers/misc/ocxl/Kconfig | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/misc/ocxl/Kconfig b/drivers/misc/ocxl/Kconfig
index 7fb6d39d4c5a
ly.
Signed-off-by: Frederic Barrat
---
drivers/pci/hotplug/pnv_php.c | 16 +++-
1 file changed, 11 insertions(+), 5 deletions(-)
diff --git a/drivers/pci/hotplug/pnv_php.c b/drivers/pci/hotplug/pnv_php.c
index 5b5cbf1e636d..5cdd2a3a4dd9 100644
--- a/drivers/pci/hotplug/pnv_php.c
++
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/pow
a
---
Thanks for the update.
Acked-by: Frederic Barrat
arch/powerpc/mm/book3s64/radix_tlb.c | 5 +
drivers/misc/ocxl/context.c | 9 ++---
drivers/misc/ocxl/link.c | 28
3 files changed, 35 insertions(+), 7 deletions(-)
di
Le 21/06/2019 à 03:47, Oliver O'Halloran a écrit :
On Thu, May 23, 2019 at 5:51 PM Christoph Hellwig wrote:
These have been unused ever since they've been added to the kernel.
Signed-off-by: Christoph Hellwig
---
arch/powerpc/include/asm/pnv-pci.h| 4 --
arch/powerpc/platforms
ier, when the device setup is removed, instead of waiting for the
'release' device callback. With proper locking around the IDR.
Fixes: 75ca758adbaf ("ocxl: Create a clear delineation between ocxl backend &
frontend")
Signed-off-by: Frederic Barrat
---
mpe: this fixes a
Le 24/06/2019 à 17:24, Greg Kurz a écrit :
On Mon, 24 Jun 2019 16:41:48 +0200
Frederic Barrat wrote:
If an ocxl device is unbound through sysfs at the same time its AFU is
being opened by a user process, the open code may dereference freed
stuctures, which can lead to kernel oops messages
Le 24/06/2019 à 17:50, Greg Kurz a écrit :
On Mon, 24 Jun 2019 17:39:26 +0200
Frederic Barrat wrote:
Le 24/06/2019 à 17:24, Greg Kurz a écrit :
On Mon, 24 Jun 2019 16:41:48 +0200
Frederic Barrat wrote:
If an ocxl device is unbound through sysfs at the same time its AFU is
being
roup for opencapi,
as the device sends real addresses directly (admittedly, the
virtualization story is yet to be written). So let's fix it by
skipping the IOMMU group setup for opencapi PHBs.
Fixes: 0bd971676e68 ("powerpc/powernv/npu: Add compound IOMMU groups")
Signed-off-by: Fre
Le 09/01/2019 à 17:25, Greg Kurz a écrit :
On Wed, 9 Jan 2019 16:13:42 +0100
Frederic Barrat wrote:
With a recent change around IOMMU group, a system with an opencapi
adapter is no longer booting and we get a kernel oops:
BUG: Kernel NULL pointer dereference at 0x0028
Faulting
Le 10/01/2019 à 13:25, Michael Ellerman a écrit :
Greg Kurz writes:
On Wed, 9 Jan 2019 17:45:53 +0100
Frederic Barrat wrote:
Le 09/01/2019 à 17:25, Greg Kurz a écrit :
On Wed, 9 Jan 2019 16:13:42 +0100
Frederic Barrat wrote:
With a recent change around IOMMU group, a system with
diff --git a/drivers/misc/cxl/pci.c b/drivers/misc/cxl/pci.c
index c79ba1c699ad..28c28bceb063 100644
--- a/drivers/misc/cxl/pci.c
+++ b/drivers/misc/cxl/pci.c
@@ -1932,14 +1935,20 @@ static pci_ers_result_t cxl_pci_error_detected(struct
pci_dev *pdev,
* * In slot_reset, free t
Hi Vaibhav,
2 comments below (one of which I missed on the previous iteration, sorry).
Le 26/01/2019 à 12:46, Vaibhav Jain a écrit :
Within cxl module, iteration over array 'adapter->slices' may be racy
at few points as it might be simultaneously read during an EEH and its
contents being set t
Hi Vaibhav,
I think there's value in there, as I'm hearing Mellanox would prefer to
start from a "clean" state, as in pci mode, when they load their driver
after a card FW update.
However, I'm pretty reluctant to make it the default behaviour. It's not
like we haven't had our share of proble
Le 25/01/2019 à 06:11, Vaibhav Jain a écrit :
Recent updates to OPAL [1] have provided support for new CXL modes on
PHB that need to force a cold reset on the bridge (CRESET). However
PHB CRESET is a multi step process and cannot be completed
synchronously as expected by current kernel impleme
Le 25/01/2019 à 06:11, Vaibhav Jain a écrit :
This patch forces shutdown of CAPP when CXL module is unloaded. This
is accomplished via a call to pnv_phb_to_cxl_mode() with mode ==
OPAL_PHB_CAPI_MODE_PCIE.
Signed-off-by: Vaibhav Jain
---
drivers/misc/cxl/cxl.h | 1 +
drivers/misc/cxl/mai
Le 27/01/2019 à 05:31, Andrew Donnellan a écrit :
[+ linuxppc-dev, because cxl/ocxl are handled through powerpc - please
cc on future versions of this series]
On 26/1/19 8:13 am, Olof Johansson wrote:
We're starting to see more of these kind of devices, the current
upcoming wave will likely
;.
Signed-off-by: Vaibhav Jain
---
Thanks for fixing this!
Acked-by: Frederic Barrat
Changelog:
v3:
* Updated a slice loop in cxl_pci_error_detectected() to ignore NULL
slices [Fred]
* Added a NULL AFU check in cxl_pci_slot_reset() [Fred]
v2:
* Fixed a wrong compar
nlock(&ctx->status_mutex);
return -ENOENT;
+ }
O_o Thanks for fixing it
Acked-by: Frederic Barrat
ctx->tidr = current->thread.tidr;
}
-by: Souptick Joarder
---
Thanks!
Tested and
Acked-by: Frederic Barrat
drivers/misc/ocxl/context.c | 22 +++---
drivers/misc/ocxl/sysfs.c | 5 ++---
2 files changed, 13 insertions(+), 14 deletions(-)
diff --git a/drivers/misc/ocxl/context.c b/drivers/misc/ocxl/context.c
rtly after when closing
the file descriptors.
Fixes: 5ef3166e8a32 ("ocxl: Driver code for 'generic' opencapi devices")
Cc: sta...@vger.kernel.org # v4.16+
Signed-off-by: Frederic Barrat
---
drivers/misc/ocxl/link.c | 24 +++-
1 file changed, 15 insertions(+), 9
a real PHB"
Revert "powerpc/powernv: Add support for the cxl kernel api on the
real phb"
Frederic Barrat (3):
Revert "cxl: Add cxl_slot_is_supported API"
Revert "cxl: Allow a default context to be associated with an external
pci_dev"
cxl: Remove aband
From: Alastair D'Silva
Remove abandonned capi support for the Mellanox CX4.
The symbol 'cxl_set_translation_mode' is never called, so
ctx->real_mode is always false.
This reverts commit 7a0d85d313c2066712e530e668bc02bb741a685c.
---
drivers/misc/cxl/api.c| 19 ---
drivers/mis
From: Alastair D'Silva
Remove abandonned capi support for the Mellanox CX4.
This reverts commit a2f67d5ee8d950caaa7a6144cf0bfb256500b73e.
---
arch/powerpc/platforms/powernv/pci-cxl.c | 84 ---
arch/powerpc/platforms/powernv/pci-ioda.c | 4 --
arch/powerpc/platforms/powernv
From: Alastair D'Silva
Remove abandonned capi support for the Mellanox CX4.
This reverts commit cbce0917e2e47d4bf5aa3b5fd6b1247f33e1a126.
---
drivers/misc/cxl/api.c | 15 ---
drivers/misc/cxl/base.c| 17 -
drivers/misc/cxl/context.c | 1 -
drivers/misc/cxl/c
From: Alastair D'Silva
Remove abandonned capi support for the Mellanox CX4.
This reverts commit 79384e4b71240abf50c375eea56060b0d79c242a.
---
drivers/misc/cxl/api.c | 27 ---
1 file changed, 27 deletions(-)
diff --git a/drivers/misc/cxl/api.c b/drivers/misc/cxl/api.c
in
From: Alastair D'Silva
Remove abandonned capi support for the Mellanox CX4.
This reverts commit b0b5e5918ad1babfd1d43d98c7281926a7b57b9f.
---
drivers/misc/cxl/Kconfig | 8 --
drivers/misc/cxl/pci.c | 236 +++
include/misc/cxl.h | 25 -
3 files
From: Alastair D'Silva
Remove abandonned capi support for the Mellanox CX4.
This reverts commit 317f5ef1b363417b6f1e93b90dfd2ffd6be6e867.
---
drivers/misc/cxl/pci.c | 3 ---
drivers/misc/cxl/vphb.c | 16 ++--
2 files changed, 2 insertions(+), 17 deletions(-)
diff --git a/drivers/
From: Alastair D'Silva
Remove abandonned capi support for the Mellanox CX4.
This reverts commit 4361b03430d685610e5feea3ec7846e8b9ae795f.
---
arch/powerpc/include/asm/pnv-pci.h| 7 --
arch/powerpc/platforms/powernv/pci-cxl.c | 115 --
arch/powerpc/platforms/powern
Remove abandonned capi support for the Mellanox CX4.
This reverts commit 4e56f858bdde5cbfb70f61baddfaa56a8ed851bf.
---
drivers/misc/cxl/pci.c | 37 -
include/misc/cxl.h | 15 ---
2 files changed, 52 deletions(-)
diff --git a/drivers/misc/cxl/pc
Remove abandonned capi support for the Mellanox CX4.
This reverts commit a19bd79e31769626d288cc016e21a31b6f47bf6f.
---
drivers/misc/cxl/Makefile | 2 +-
drivers/misc/cxl/base.c | 35 ---
drivers/misc/cxl/cxl.h| 6 --
drivers/misc/cxl/main.c | 2 --
drive
Remove a few XSL/CX4 oddities which are no longer needed. A simple
revert of the initial commits was not possible (or not worth it) due
to the history of the code.
Signed-off-by: Frederic Barrat
---
drivers/misc/cxl/context.c | 2 +-
drivers/misc/cxl/cxl.h | 12 --
drivers/misc/cxl
"
Revert "cxl: Add support for using the kernel API with a real PHB"
Revert "powerpc/powernv: Add support for the cxl kernel api on the
real phb"
Frederic Barrat (3):
Revert "cxl: Add cxl_slot_is_supported API"
Revert "cxl: Allow a default context to be
From: Alastair D'Silva
Remove abandonned capi support for the Mellanox CX4.
This reverts commit a2f67d5ee8d950caaa7a6144cf0bfb256500b73e.
Signed-off-by: Alastair D'Silva
---
arch/powerpc/platforms/powernv/pci-cxl.c | 84 ---
arch/powerpc/platforms/powernv/pci-ioda.c | 4
From: Alastair D'Silva
Remove abandonned capi support for the Mellanox CX4.
This reverts commit cbce0917e2e47d4bf5aa3b5fd6b1247f33e1a126.
Signed-off-by: Alastair D'Silva
---
drivers/misc/cxl/api.c | 15 ---
drivers/misc/cxl/base.c| 17 -
drivers/misc/cxl/co
From: Alastair D'Silva
Remove abandonned capi support for the Mellanox CX4.
This reverts commit 79384e4b71240abf50c375eea56060b0d79c242a.
Signed-off-by: Alastair D'Silva
---
drivers/misc/cxl/api.c | 27 ---
1 file changed, 27 deletions(-)
diff --git a/drivers/misc/cxl
From: Alastair D'Silva
Remove abandonned capi support for the Mellanox CX4.
This reverts commit b0b5e5918ad1babfd1d43d98c7281926a7b57b9f.
Signed-off-by: Alastair D'Silva
---
drivers/misc/cxl/Kconfig | 8 --
drivers/misc/cxl/pci.c | 236 +++
include/misc
From: Alastair D'Silva
Remove abandonned capi support for the Mellanox CX4.
This reverts commit 317f5ef1b363417b6f1e93b90dfd2ffd6be6e867.
Signed-off-by: Alastair D'Silva
---
drivers/misc/cxl/pci.c | 3 ---
drivers/misc/cxl/vphb.c | 16 ++--
2 files changed, 2 insertions(+), 17 d
From: Alastair D'Silva
Remove abandonned capi support for the Mellanox CX4.
This reverts commit 4361b03430d685610e5feea3ec7846e8b9ae795f.
Signed-off-by: Alastair D'Silva
---
arch/powerpc/include/asm/pnv-pci.h| 7 --
arch/powerpc/platforms/powernv/pci-cxl.c | 115 ---
Remove abandonned capi support for the Mellanox CX4.
This reverts commit 4e56f858bdde5cbfb70f61baddfaa56a8ed851bf.
Signed-off-by: Frederic Barrat
---
drivers/misc/cxl/pci.c | 37 -
include/misc/cxl.h | 15 ---
2 files changed, 52 deletions
Remove abandonned capi support for the Mellanox CX4.
This reverts commit a19bd79e31769626d288cc016e21a31b6f47bf6f.
Signed-off-by: Frederic Barrat
---
drivers/misc/cxl/Makefile | 2 +-
drivers/misc/cxl/base.c | 35 ---
drivers/misc/cxl/cxl.h| 6
Remove a few XSL/CX4 oddities which are no longer needed. A simple
revert of the initial commits was not possible (or not worth it) due
to the history of the code.
Signed-off-by: Frederic Barrat
---
drivers/misc/cxl/context.c | 2 +-
drivers/misc/cxl/cxl.h | 12 --
drivers/misc/cxl
From: Alastair D'Silva
Remove abandonned capi support for the Mellanox CX4.
The symbol 'cxl_set_translation_mode' is never called, so
ctx->real_mode is always false.
This reverts commit 7a0d85d313c2066712e530e668bc02bb741a685c.
Signed-off-by: Alastair D'Silva
---
drivers/misc/cxl/api.c| 1
f an active context exists")
Reported-by: Dan Carpenter
Signed-off-by: Vaibhav Jain
---
Acked-by: Frederic Barrat
drivers/misc/cxl/main.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/misc/cxl/main.c b/drivers/misc/cxl/main.c
index c1ba0d42cbc8..e0f29
ing first, before updating the 'copros' counter, so
that invalidations will be global.
Fixes: 0cef77c7798a ("powerpc/64s/radix: flush remote CPUs out of
single-threaded mm_cpumask")
Signed-off-by: Frederic Barrat
---
arch/powerpc/include/asm/mmu_context.h | 33 ++
Le 08/01/2020 à 08:33, Andrew Donnellan a écrit :
On 22/11/19 12:49 am, Frederic Barrat wrote:
The pci_dn structure used to store a pointer to the struct pci_dev, so
taking a reference on the device was required. However, the pci_dev
pointer was later removed from the pci_dn structure, but
Le 03/12/2019 à 04:46, Alastair D'Silva a écrit :
From: Alastair D'Silva
This patch adds platform support to map & release LPC memory.
Signed-off-by: Alastair D'Silva
---
It looks ok now, thanks
Acked-by: Frederic Barrat
arch/powerpc/include/asm/pnv-ocxl
Le 03/12/2019 à 04:46, Alastair D'Silva a écrit :
From: Alastair D'Silva
Tally up the LPC memory on an OpenCAPI link & allow it to be mapped
Signed-off-by: Alastair D'Silva
---
drivers/misc/ocxl/core.c | 10 ++
drivers/misc/ocxl/link.c | 60
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