A few functions are mostly common between bare-metal and guest and
just need minor tuning. To avoid crowding the backend API, introduce a
few 'if' based on the CPU being in HV mode.
Co-authored-by: Christophe Lombard
Signed-off-by: Frederic Barrat
Signed-off-by: Christophe Lombard
--
Rename a few functions, mostly prefixed by 'cxl_', to make clear that
the implementation is 'bare-metal' specific. Those functions will
have an equivalent implementation for a guest in a later patch.
Co-authored-by: Christophe Lombard
Signed-off-by: Frederic Barrat
Signe
is different.
Rework the code so that the range 0 is treated like the other ranges.
Co-authored-by: Christophe Lombard
Signed-off-by: Frederic Barrat
Signed-off-by: Christophe Lombard
---
drivers/misc/cxl/irq.c | 69 --
1 file changed, 55
The context parameter when calling cxl_irq() should be strongly typed.
Co-authored-by: Christophe Lombard
Signed-off-by: Frederic Barrat
Signed-off-by: Christophe Lombard
---
drivers/misc/cxl/cxl.h | 2 +-
drivers/misc/cxl/irq.c | 3 +--
2 files changed, 2 insertions(+), 3 deletions(-)
diff
From: Christophe Lombard
The hcalls introduced for CAPI use a possible new value:
H_STATE (invalid state).
Co-authored-by: Frederic Barrat
Signed-off-by: Frederic Barrat
Signed-off-by: Christophe Lombard
---
arch/powerpc/include/asm/hvcall.h | 1 +
1 file changed, 1 insertion(+)
diff --git
r image to
the coherent platform facility, and for
validating the entire image after the download.
H_CONTROL_CA_FACILITY Allow the partition to manipulate or query
certain coherent platform facility behaviors.
Co-authored-by: Frederic Barrat
Sig
From: Christophe Lombard
Introduce sub-structures containing the bare-metal specific fields
in the structures describing the adapter (struct cxl) and AFU (struct
cxl_afu).
Update all their references.
Co-authored-by: Frederic Barrat
Signed-off-by: Frederic Barrat
Signed-off-by: Christophe
From: Christophe Lombard
Filter out a few adapter parameters which don't make sense in a guest.
Document the changes.
Co-authored-by: Frederic Barrat
Signed-off-by: Frederic Barrat
Signed-off-by: Christophe Lombard
---
Documentation/ABI/testing/sysfs-class-cxl | 8 +++
drivers/mis
ID assigned by the cxl driver from the
process element ID visible to the user applications. In bare-metal,
the 2 IDs match.
Co-authored-by: Frederic Barrat
Signed-off-by: Frederic Barrat
Signed-off-by: Christophe Lombard
---
drivers/misc/cxl/Makefile | 1 +
drivers/misc/cxl/api.c | 2
flashing is successful, an rtas call is made to update the device
tree with the new properties values for the adapter and the AFU(s)
Add a new char device for the adapter, so that the flash tool can
access the card, even if there is no valid AFU on it.
Co-authored-by: Frederic Barrat
Signed-off-by
found to be disabled, detach all existing contexts from it before
issuing a AFU reset to re-enable it.
Before detaching contexts, notify any kernel driver through the EEH
callbacks of the AFU pci device.
Co-authored-by: Frederic Barrat
Signed-off-by: Frederic Barrat
Signed-off-by: Christophe
Add new entry point to scan the device tree at boot in a guest,
looking for CAPI devices.
Co-authored-by: Christophe Lombard
Signed-off-by: Frederic Barrat
Signed-off-by: Christophe Lombard
---
drivers/misc/cxl/base.c | 25 +
1 file changed, 25 insertions(+)
diff
-authored-by: Christophe Lombard
Signed-off-by: Frederic Barrat
Signed-off-by: Christophe Lombard
---
drivers/misc/cxl/api.c| 63 ++-
drivers/misc/cxl/cxl.h| 6 +-
drivers/misc/cxl/guest.c | 26
drivers/misc/cxl/native.c | 50 +++
drivers/misc
s around CAPI hcalls for debugging
v1->v2: (v1 was privately reviewed)
- integrate comments from Michael Neuling and Ian Munsie
- add another patch to the series: adapter failure handling
- base patchset on 4.5-rc1
Frederic Barrat (18):
cxl: Move common code away from bare-metal-specific f
From: Christophe Lombard
Move around some functions which will be accessed from the bare-metal
and guest environments.
Code in native.c and pci.c is meant to be bare-metal specific.
Other files contain code which may be shared with guests.
Co-authored-by: Frederic Barrat
Signed-off-by
me p2 registers not needed from a guest and the PCI interface.
Co-authored-by: Christophe Lombard
Signed-off-by: Frederic Barrat
Signed-off-by: Christophe Lombard
---
drivers/misc/cxl/cxl.h| 24 +
drivers/misc/cxl/irq.c| 205 +--
drivers/misc/cxl/m
area.
Remove calls to cxl_assign_psn_space during init. The function is
already called on the attach paths.
Co-authored-by: Christophe Lombard
Signed-off-by: Frederic Barrat
Signed-off-by: Christophe Lombard
---
drivers/misc/cxl/api.c | 3 ---
1 file changed, 3 deletions(-)
diff --git a/drivers
-off-by: Frederic Barrat
Signed-off-by: Christophe Lombard
---
drivers/misc/cxl/api.c | 10 ++--
drivers/misc/cxl/context.c | 4 +-
drivers/misc/cxl/cxl.h | 53 +++---
drivers/misc/cxl/fault.c | 6 +-
drivers/misc/cxl/file.c| 15 ++---
drivers/misc/cxl/irq.c
A few functions are mostly common between bare-metal and guest and
just need minor tuning. To avoid crowding the backend API, introduce a
few 'if' based on the CPU being in HV mode.
Co-authored-by: Christophe Lombard
Signed-off-by: Frederic Barrat
Signed-off-by: Christophe Lombard
--
Rename a few functions, mostly prefixed by 'cxl_', to make clear that
the implementation is 'bare-metal' specific.
Those functions will have an equivalent implementation for a guest in
a later patch.
Co-authored-by: Christophe Lombard
Signed-off-by: Frederic Barrat
Signe
is different. Rework the code so that the
range 0 is treated like the other ranges.
Co-authored-by: Christophe Lombard
Signed-off-by: Frederic Barrat
Signed-off-by: Christophe Lombard
---
drivers/misc/cxl/irq.c | 69 --
1 file changed, 55
The context parameter when calling cxl_irq() should be strongly typed.
Co-authored-by: Christophe Lombard
Signed-off-by: Frederic Barrat
Signed-off-by: Christophe Lombard
---
drivers/misc/cxl/cxl.h | 2 +-
drivers/misc/cxl/irq.c | 3 +--
2 files changed, 2 insertions(+), 3 deletions(-)
diff
From: Christophe Lombard
The hcalls introduced for CAPI use a possible new value:
H_STATE (invalid state).
Co-authored-by: Frederic Barrat
Signed-off-by: Frederic Barrat
Signed-off-by: Christophe Lombard
---
arch/powerpc/include/asm/hvcall.h | 1 +
1 file changed, 1 insertion(+)
diff --git
r image to
the coherent platform facility, and for
validating the entire image after the download.
H_CONTROL_CA_FACILITY Allow the partition to manipulate or query
certain coherent platform facility behaviors.
Co-authored-by: Frederic Barrat
Sig
From: Christophe Lombard
Introduce sub-structures containing the bare-metal specific fields in
the structures describing the adapter (struct cxl) and AFU (struct
cxl_afu).
Update all their references.
Co-authored-by: Frederic Barrat
Signed-off-by: Frederic Barrat
Signed-off-by: Christophe
From: Christophe Lombard
Filter out a few adapter parameters which don't make sense in a guest.
Document the changes.
Co-authored-by: Frederic Barrat
Signed-off-by: Frederic Barrat
Signed-off-by: Christophe Lombard
---
Documentation/ABI/testing/sysfs-class-cxl | 8 +++
drivers/mis
ID assigned by the cxl driver from the
process element ID visible to the user applications. In bare-metal,
the 2 IDs match.
Co-authored-by: Frederic Barrat
Signed-off-by: Frederic Barrat
Signed-off-by: Christophe Lombard
---
drivers/misc/cxl/Makefile | 1 +
drivers/misc/cxl/api.c | 2
flashing is successful, an rtas call is made to update the device
tree with the new properties values for the adapter and the AFU(s)
Add a new char device for the adapter, so that the flash tool can
access the card, even if there is no valid AFU on it.
Co-authored-by: Frederic Barrat
Signed-off-by
Add new entry point to scan the device tree at boot in a guest,
looking for CAPI devices.
Co-authored-by: Christophe Lombard
Signed-off-by: Frederic Barrat
Signed-off-by: Christophe Lombard
---
drivers/misc/cxl/base.c | 25 +
1 file changed, 25 insertions(+)
diff
found to be disabled, detach all existing contexts from
it before issuing a AFU reset to re-enable it.
Before detaching contexts, notify any kernel driver through the EEH
callbacks of the AFU pci device.
Co-authored-by: Frederic Barrat
Signed-off-by: Frederic Barrat
Signed-off-by: Christophe
: Christophe Lombard
Signed-off-by: Frederic Barrat
Signed-off-by: Christophe Lombard
---
drivers/misc/cxl/api.c| 63 ++-
drivers/misc/cxl/cxl.h| 6 +-
drivers/misc/cxl/guest.c | 26
drivers/misc/cxl/native.c | 50 +++
drivers/misc/cxl/pci.c
From: Christophe Lombard
To ease debugging, add a few tracepoints around the CAPI hcalls.
Co-authored-by: Frederic Barrat
Signed-off-by: Frederic Barrat
Signed-off-by: Christophe Lombard
---
drivers/misc/cxl/hcalls.c | 9 +++
drivers/misc/cxl/trace.h | 193
Le 08/02/2016 04:02, Stewart Smith a écrit :
Frederic Barrat writes:
--- a/Documentation/ABI/testing/sysfs-class-cxl
+++ b/Documentation/ABI/testing/sysfs-class-cxl
@@ -183,7 +183,7 @@ Description:read only
Identifies the revision level of the PSL.
Users
Le 10/02/2016 07:32, Ian Munsie a écrit :
It might be a reasonable idea to make cxl_psa_map fail outright if it is
called on a context that has not been attached yet like we do in the
user api, but I trust kernel devs to get this right more than userspace
so I'm not too worried :)
The net ef
Le 27/02/2019 à 05:57, Alastair D'Silva a écrit :
From: Alastair D'Silva
No need for a return value in read_pasid as it only returns 0.
Signed-off-by: Alastair D'Silva
Reviewed-by: Greg Kurz
---
Thanks!
Acked-by: Frederic Barrat
drivers/misc/ocxl/config.c | 9 ++-
Le 27/02/2019 à 05:57, Alastair D'Silva a écrit :
From: Alastair D'Silva
The 'extern' keyword adds no value here.
Signed-off-by: Alastair D'Silva
---
Acked-by: Frederic Barrat
drivers/misc/ocxl/ocxl_internal.h | 54 +++-
any case:
Acked-by: Frederic Barrat
drivers/misc/ocxl/config.c| 2 --
drivers/misc/ocxl/ocxl_internal.h | 26 +-
include/misc/ocxl.h | 23 ---
3 files changed, 25 insertions(+), 26 deletions(-)
diff --git a/drivers/misc/
Le 27/02/2019 à 05:57, Alastair D'Silva a écrit :
From: Alastair D'Silva
Use %# instead of using a literal '0x'
Signed-off-by: Alastair D'Silva
---
I don't really care either way, but it looks ok.
Acked-by: Frederic Barrat
drivers/misc/ocxl/config
Le 27/02/2019 à 09:18, Andrew Donnellan a écrit :
On 27/2/19 7:04 pm, Alastair D'Silva wrote:
-Original Message-
From: Andrew Donnellan
Sent: Wednesday, 27 February 2019 6:55 PM
To: Alastair D'Silva ; 'Alastair D'Silva'
Cc: 'Greg Kurz' ; 'Fr
Hi Alastair,
I only realize now that this patch looks a bit out of place and would
fit better later in the series: it assumes an external driver can get an
ocxl_afu handle, which can only happen after patch 5.
And since I'm nitpicking, the year at the top of the new mmio file could
be adjust
ed later in the series (same reason as before), but:
Acked-by: Frederic Barrat
drivers/misc/ocxl/context.c | 9 +--
drivers/misc/ocxl/file.c | 2 +-
drivers/misc/ocxl/ocxl_internal.h | 6 -
include/misc/ocxl.h | 44 +++
4 fi
diff --git a/drivers/misc/ocxl/file.c b/drivers/misc/ocxl/file.c
index 865b3d176431..424bb0b40afb 100644
--- a/drivers/misc/ocxl/file.c
+++ b/drivers/misc/ocxl/file.c
-int ocxl_register_afu(struct ocxl_afu *afu)
+int ocxl_file_register_afu(struct ocxl_afu *afu)
{
int minor;
+
Le 13/03/2019 à 05:15, Alastair D'Silva a écrit :
From: Alastair D'Silva
In preparation for making core code available for external drivers,
move the core code out of pci.c and into core.c
Signed-off-by: Alastair D'Silva
---
Acked-by: Frederic Barrat
drivers/mis
Le 13/03/2019 à 05:15, Alastair D'Silva a écrit :
From: Alastair D'Silva
This data is already available in a struct
Signed-off-by: Alastair D'Silva
---
good idea
Acked-by: Frederic Barrat
drivers/misc/ocxl/core.c | 38 +-
1 f
Le 14/03/2019 à 17:10, David Howells a écrit :
Signed-off-by: David Howells
cc: Frederic Barrat
cc: Andrew Donnellan
cc: linuxppc-dev@lists.ozlabs.org
---
Acked-by: Frederic Barrat
drivers/misc/cxl/api.c | 10 +-
1 file changed, 5 insertions(+), 5 deletions(-)
diff
AFU.
+ *
+ * @dev: The PCI device associated with the OpenCAPI device
+ * @private: the opaque hardware specific information to assign to the driver
+ * @private_release: A callback to free the private data
+ */
+void ocxl_afu_set_private(struct ocxl_afu *afu, void *private,
+ void (*priva
Le 25/03/2019 à 06:44, Alastair D'Silva a écrit :
From: Alastair D'Silva
In preparation for making core code available for external drivers,
move the core code out of pci.c and into core.c
Signed-off-by: Alastair D'Silva
---
Acked-by: Frederic Barrat
drivers/mis
Le 25/03/2019 à 06:44, Alastair D'Silva a écrit :
From: Alastair D'Silva
This data is already available in a struct
Signed-off-by: Alastair D'Silva
---
Acked-by: Frederic Barrat
drivers/misc/ocxl/core.c | 38 +-
1 file changed
This is a huge patch, there are probably ways to split it in smaller
pieces to make the review easier. However, considering how much time
we've already invested discussing and reviewing it, it's with by me to
keep it as is.
The ref-counting and device management look good to me now. A few
detai
Le 25/03/2019 à 06:44, Alastair D'Silva a écrit :
From: Alastair D'Silva
Most OpenCAPI operations require a valid context, so
exposing these functions to external drivers is necessary.
Signed-off-by: Alastair D'Silva
Reviewed-by: Greg Kurz
---
See comment on previous patch regarding mer
Le 25/03/2019 à 06:44, Alastair D'Silva a écrit :
From: Alastair D'Silva
The use of offsets is required only in the frontend, so alter
the IRQ API to only work with IRQ IDs in the backend.
Signed-off-by: Alastair D'Silva
---
Acked-by: Frederic Barrat
drivers/misc
Le 25/03/2019 à 06:44, Alastair D'Silva a écrit :
From: Alastair D'Silva
Event_fd is only used in the driver frontend, so it does not
need to exist in the backend code. Relocate it to the frontend
and provide an opaque mechanism for consumers instead.
Signed-off-by: Alastair D'Silva
---
Le 25/03/2019 à 06:44, Alastair D'Silva a écrit :
From: Alastair D'Silva
External drivers that communicate via OpenCAPI will need to make
MMIO calls to interact with the devices.
Signed-off-by: Alastair D'Silva
Reviewed-by: Greg Kurz
---
Acked-by: Frederic Barrat
Le 25/03/2019 à 17:49, Greg Kurz a écrit :
Hi Alastair,
I forgot to mention it during v3 but please don't link new version
of a patchset to the previous one with --in-reply-to. This is to
ensure I can see them in my email client without having to scroll
back many days in the past (which likel
et-variable]
drivers/misc/ocxl/link.c:187:6: warning: variable 'lpid' set but not used
[-Wunused-but-set-variable]
They are never used and can be removed.
Signed-off-by: YueHaibing
---
Acked-by: Frederic Barrat
drivers/misc/ocxl/link.c | 4 +---
1 file changed, 1 insertion(+), 3
Le 25/03/2019 à 06:34, Alastair D'Silva a écrit :
From: Alastair D'Silva
The term 'link' is ambiguous (especially when the struct is used for a
list), so rename it for clarity.
Signed-off-by: Alastair D'Silva
Reviewed-by: Greg Kurz
---
Acked-by: Frederic Barra
Le 25/03/2019 à 06:34, Alastair D'Silva a écrit :
From: Alastair D'Silva
No need for a return value in read_pasid as it only returns 0.
Signed-off-by: Alastair D'Silva
Reviewed-by: Greg Kurz
---
Acked-by: Frederic Barrat
drivers/misc/ocxl/config.c | 9 ++---
Le 25/03/2019 à 06:34, Alastair D'Silva a écrit :
From: Alastair D'Silva
The 'extern' keyword adds no value here.
Signed-off-by: Alastair D'Silva
---
Acked-by: Frederic Barrat
drivers/misc/ocxl/ocxl_internal.h | 54 +++-
Le 25/03/2019 à 06:34, Alastair D'Silva a écrit :
From: Alastair D'Silva
Remove some unused exported symbols.
Signed-off-by: Alastair D'Silva
---
Acked-by: Frederic Barrat
drivers/misc/ocxl/config.c| 4 +---
drivers/misc/ocxl/ocxl_
Le 27/03/2019 à 06:31, Alastair D'Silva a écrit :
From: Alastair D'Silva
In preparation for making core code available for external drivers,
move the core code out of pci.c and into core.c
Signed-off-by: Alastai
Acked-by: Frederic Barrat
drivers/misc/ocxl/Makefile
Le 27/03/2019 à 06:31, Alastair D'Silva a écrit :
From: Alastair D'Silva
This data is already available in a struct
Signed-off-by: Alastair D'Silva
---
Acked-by: Frederic Barrat
drivers/misc/ocxl/core.c | 38 +-
1 file changed
sation from core.c (backend) to
pci.c (frontend).
Create an ocxl_function oriented interface for initing devices &
enumerating AFUs.
Signed-off-by: Alastair D'Silva
---
Acked-by: Frederic Barrat
drivers/misc/ocxl/context.c | 2 +-
drivers/misc
mory leak in here on context alloc, if we can't get a
pasid from the IDR. But that's not new to this patch, I just saw it
because the code was moved around. And since that's the only thing I've
seen in the full series and it's super long to review, I'll address it
w
Le 27/03/2019 à 06:31, Alastair D'Silva a écrit :
From: Alastair D'Silva
The use of offsets is required only in the frontend, so alter
the IRQ API to only work with IRQ IDs in the backend.
Signed-off-by: Alastair D'Silva
---
Acked-by: Frederic Barrat
drivers/misc
ir D'Silva
---
Acked-by: Frederic Barrat
drivers/misc/ocxl/afu_irq.c | 74 ++-
drivers/misc/ocxl/file.c | 22 -
drivers/misc/ocxl/ocxl_internal.h | 5 ---
include/misc/ocxl.h | 46 +++
4 files changed,
Le 27/03/2019 à 06:31, Alastair D'Silva a écrit :
From: Alastair D'Silva
External drivers that communicate via OpenCAPI will need to make
MMIO calls to interact with the devices.
Signed-off-by: Alastair D'Silva
Reviewed-by: Greg Kurz
---
Acked-by: Frederic Barrat
Le 21/02/2020 à 04:27, Alastair D'Silva a écrit :
From: Alastair D'Silva
This driver exposes LPC memory on OpenCAPI pmem cards
as an NVDIMM, allowing the existing nvram infrastructure
to be used.
Namespace metadata is stored on the media itself, so
scm_reserve_metadata() maps 1 section's wo
Le 21/02/2020 à 04:27, Alastair D'Silva a écrit :
From: Alastair D'Silva
This driver exposes LPC memory on OpenCAPI pmem cards
as an NVDIMM, allowing the existing nvram infrastructure
to be used.
Namespace metadata is stored on the media itself, so
scm_reserve_metadata() maps 1 section's wo
Le 21/02/2020 à 04:27, Alastair D'Silva a écrit :
From: Alastair D'Silva
This patch reads timeouts & firmware version from the controller, and
uses those timeouts to wait for the controller to report that it is ready
before handing the memory over to libnvdimm.
Signed-off-by: Alastair D'Sil
Le 21/02/2020 à 04:27, Alastair D'Silva a écrit :
From: Alastair D'Silva
Similar to the previous patch, this adds support for near storage commands.
Signed-off-by: Alastair D'Silva
---
Is any of these new functions ever called?
Fred
arch/powerpc/platforms/powernv/pmem/ocxl.c
Le 21/02/2020 à 04:27, Alastair D'Silva a écrit :
From: Alastair D'Silva
This patch introduces a character device (/dev/ocxl-scmX) which further
patches will use to interact with userspace.
Signed-off-by: Alastair D'Silva
---
arch/powerpc/platforms/powernv/pmem/ocxl.c| 116 ++
Le 21/02/2020 à 04:27, Alastair D'Silva a écrit :
From: Alastair D'Silva
The read error log command extracts information from the controller's
internal error log.
This patch exposes this information in 2 ways:
- During probe, if an error occurs & a log is available, print it to the
conso
Le 21/02/2020 à 04:27, Alastair D'Silva a écrit :
From: Alastair D'Silva
This patch adds IOCTLs to allow userspace to request & fetch dumps
of the internal controller state.
This is useful during debugging or when a fatal error on the controller
has occurred.
Signed-off-by: Alastair D'Silv
Le 21/02/2020 à 04:27, Alastair D'Silva a écrit :
From: Alastair D'Silva
The controller can report a number of statistics that are useful
in evaluating the performance and reliability of the card.
This patch exposes this information via an IOCTL.
Signed-off-by: Alastair D'Silva
---
arch
Le 21/02/2020 à 04:27, Alastair D'Silva a écrit :
From: Alastair D'Silva
Some of the interrupts that the card generates are better handled
by the userspace daemon, in particular:
Controller Hardware/Firmware Fatal
Controller Dump Available
Error Log available
This patch allows a userspace a
Le 28/02/2020 à 07:12, Andrew Donnellan a écrit :
On 21/2/20 2:27 pm, Alastair D'Silva wrote:
From: Alastair D'Silva
When health & performance data is requested from the controller,
it responds with an error log containing the requested information.
This patch allows the request to me issu
Le 21/02/2020 à 04:27, Alastair D'Silva a écrit :
From: Alastair D'Silva
The heartbeat admin command is a simple admin command that exercises
the communication mechanisms within the controller.
This patch issues a heartbeat command to the card during init to ensure
we can communicate with t
Le 21/02/2020 à 04:27, Alastair D'Silva a écrit :
From: Alastair D'Silva
These IOCTLs provide low level access to the card to aid in debugging
controller/FPGA firmware.
Signed-off-by: Alastair D'Silva
---
arch/powerpc/platforms/powernv/pmem/Kconfig | 6 +
arch/powerpc/platforms/powern
Le 21/02/2020 à 04:27, Alastair D'Silva a écrit :
From: Alastair D'Silva
This patch retrieves proprietary formatted SMART data and makes it
available via ndctl. A later contribution will be made to ndctl to
parse this data.
Signed-off-by: Alastair D'Silva
---
Nothing new to add compared
+ if (rc)
+ goto out;
+
+ rc = ocxl_global_mmio_read64(ocxlpmem->ocxl_afu,
+ocxlpmem-
admin_command.data_offset + 0x28,
+OCXL_HOST_ENDIAN, &log->wwid[1]);
+ if (rc)
+ goto out
Le 11/03/2020 à 12:52, Philippe Bergheaud a écrit :
Some opencapi FPGA images allow to control if the FPGA should be reloaded
on the next adapter reset. If it is supported, the image specifies it
through a Vendor Specific DVSEC in the config space of function 0.
This patch adds an interface t
From: Philippe Bergheaud
Some opencapi FPGA images allow to control if the FPGA should be reloaded
on the next adapter reset. If it is supported, the image specifies it
through a Vendor Specific DVSEC in the config space of function 0.
Signed-off-by: Philippe Bergheaud
---
Changelog:
v2:
- re
Le 18/03/2020 à 11:02, Frederic Barrat a écrit :
From: Philippe Bergheaud
Some opencapi FPGA images allow to control if the FPGA should be reloaded
on the next adapter reset. If it is supported, the image specifies it
through a Vendor Specific DVSEC in the config space of function 0
From: Philippe Bergheaud
Some opencapi FPGA images allow to control if the FPGA should be reloaded
on the next adapter reset. If it is supported, the image specifies it
through a Vendor Specific DVSEC in the config space of function 0.
Signed-off-by: Philippe Bergheaud
Signed-off-by: Frederic
the interrupt has been mapped, but
that is not a problem with the way the code is using it.
No functional change.
Frederic Barrat (4):
scsi: cxlflash: Access interrupt trigger page from xive directly
ocxl: Access interrupt trigger page from xive directly
ocxl: Don't return trigger page
its custom service.
Signed-off-by: Frederic Barrat
---
drivers/misc/ocxl/Kconfig | 2 +-
drivers/misc/ocxl/afu_irq.c | 4 +---
drivers/misc/ocxl/link.c| 15 +++
drivers/scsi/cxlflash/ocxl_hw.c | 3 +--
include/misc/ocxl.h | 10 ++
5 files
We now allocate interrupts through xive directly.
Signed-off-by: Frederic Barrat
---
arch/powerpc/include/asm/pnv-ocxl.h | 3 ---
arch/powerpc/platforms/powernv/ocxl.c | 30 ---
2 files changed, 33 deletions(-)
diff --git a/arch/powerpc/include/asm/pnv-ocxl.h
b/arch
We can access the trigger page through standard APIs so let's use it
and avoid saving it when allocating the interrupt. It will also allow
to simplify allocation in a later patch.
Signed-off-by: Frederic Barrat
---
drivers/misc/ocxl/afu_irq.c | 8 ++--
1 file changed, 6 insertions(
xive is already mapping the trigger page in kernel space and it can be
accessed through standard APIs, so let's reuse it and simplify the code.
Signed-off-by: Frederic Barrat
---
drivers/scsi/cxlflash/ocxl_hw.c | 17 +++--
drivers/scsi/cxlflash/ocxl_hw.h | 1 -
2 files chang
We now allocate interrupts through xive directly.
Reviewed-by: Cédric Le Goater
Reviewed-by: Greg Kurz
Signed-off-by: Frederic Barrat
---
arch/powerpc/include/asm/pnv-ocxl.h | 3 ---
arch/powerpc/platforms/powernv/ocxl.c | 30 ---
2 files changed, 33 deletions
its custom service.
Reviewed-by: Cédric Le Goater
Reviewed-by: Greg Kurz
Signed-off-by: Frederic Barrat
---
drivers/misc/ocxl/Kconfig | 2 +-
drivers/misc/ocxl/afu_irq.c | 4 +---
drivers/misc/ocxl/link.c| 15 +++
drivers/scsi/cxlflash/ocxl_hw.c | 3 +--
include
We can access the trigger page through standard APIs so let's use it
and avoid saving it when allocating the interrupt. It will also allow
to simplify allocation in a later patch.
Reviewed-by: Cédric Le Goater
Acked-by: Andrew Donnellan
Reviewed-by: Greg Kurz
Signed-off-by: Frederic B
xive is already mapping the trigger page in kernel space and it can be
accessed through standard APIs, so let's reuse it and simplify the code.
Signed-off-by: Frederic Barrat
---
Changelog:
v2: Define rc = -ENXIO on the error path (Matt)
drivers/scsi/cxlflash/ocxl_hw.c
the interrupt has been mapped, but
that is not a problem with the way the code is using it.
No functional change.
Changelog:
v2:
Fix error path in patch 1
All other patches unchanged
Frederic Barrat (4):
scsi: cxlflash: Access interrupt trigger page from xive directly
Le 25/10/2019 à 06:46, Alastair D'Silva a écrit :
From: Alastair D'Silva
These functions don't exist, so remove the prototypes for them.
Signed-off-by: Alastair D'Silva
---
Reviewed-by: Frederic Barrat
drivers/nvdimm/nd-core.h | 4
1 file changed, 4 dele
Le 25/10/2019 à 06:46, Alastair D'Silva a écrit :
From: Alastair D'Silva
Add OPAL calls for LPC memory alloc/release
Signed-off-by: Alastair D'Silva
Acked-by: Andrew Donnellan
---
Acked-by: Frederic Barrat
arch/powerpc/include/asm/opal-api.h| 2 ++
arch/
Le 25/10/2019 à 06:46, 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
---
arch/powerpc/include/asm/pnv-ocxl.h | 2 ++
arch/powerpc/platforms/powernv/ocxl.c | 41 ++
Le 25/10/2019 à 06:47, 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
Le 25/10/2019 à 06:47, Alastair D'Silva a écrit :
From: Alastair D'Silva
Add functions to map/unmap LPC memory
Signed-off-by: Alastair D'Silva
---
drivers/misc/ocxl/config.c| 4 +++
drivers/misc/ocxl/core.c | 50 +++
drivers/misc/ocxl/ocxl_
Le 25/10/2019 à 06:47, Alastair D'Silva a écrit :
From: Alastair D'Silva
This patch allows the user to bind OpenCAPI SCM devices to the generic OCXL
driver.
Signed-off-by: Alastair D'Silva
---
I'm wondering if we should upstream this. Is it of any use outside of
some serious debug sess
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