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
Reviewed-by: Manoj Kumar
---
Documentation/ABI/testing/sysfs-class-cxl
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
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
Reviewed-by: Manoj Kumar
Acked-by: Ian Munsie
---
drivers/misc/cxl
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
The hcalls introduced for cxl use a possible new value:
H_STATE (invalid state).
Co-authored-by: Frederic Barrat
Signed-off-by: Frederic Barrat
Signed-off-by: Christophe Lombard
Reviewed-by: Manoj Kumar
Acked-by: Ian Munsie
---
arch/powerpc/include/asm/hvcall.h
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
Reviewed-by: Manoj Kumar
Acked-by: Ian Munsie
---
drivers/misc/cxl/cxl.h | 2 +-
drivers/misc/cxl/irq.c | 3 +--
2 files
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
R
/deleting the context. Only the handler 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
Reviewed-by: Manoj Kumar
Acked-by: Ian Munsie
---
drivers/misc/cxl/irq.c | 78
Rename a few functions, changing the 'cxl_' prefix to either
'cxl_pci_' or 'cxl_native_', 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 Lo
-off-by: Frederic Barrat
Signed-off-by: Christophe Lombard
Reviewed-by: Manoj Kumar
Acked-by: Ian Munsie
---
drivers/misc/cxl/api.c | 8 +--
drivers/misc/cxl/context.c | 4 +-
drivers/misc/cxl/cxl.h | 53 +++---
drivers/misc/cxl/fault.c | 6 +-
drivers/misc/cxl/file.c
state 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
Reviewed-by: Manoj Kumar
Acked-by: Ian Munsie
---
drivers/misc/cxl/api.c
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
This series adds support for a cxl card in a powerVM guest.
It requires firmware FW840 and an activation code for cxl (CAPI).
Note that pHyp only claims support for cxlflash, and not generic
support for FPGA CAPI accelerators. cxlflash uses the (slightly
modified) Nallatech card, so the memcopy AF
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
Reviewed-by: Manoj Kumar
Acked-by: Ian Munsie
---
drivers/misc/cxl/cxl.h| 24 +
drivers/misc/cxl/irq.c
ication to cxlflash (and remove the now obsolete cxl_get_phys_dev()
kernel API, as discussed in this thread with Mikey). So no more
dependencies.
It will be part of the powerVM patchset v6
Fred
Le 19/01/2016 18:14, Frederic Barrat a écrit :
Introduce a new API to read the VPD of the adapte
vsec, when cxl probe is unable to
find necessary vsec entries in device pci config space. The error
message logged are of the form :
cxl-pci 0004:00:00.0: ABORTING: CXL VSEC not found!
cxl-pci 0004:00:00.0: cxl_init_adapter failed: -19
Cc: Ian Munsie
Cc: Frederic Barrat
Signed-off-by: Vaibhav
Le 24/02/2016 21:15, Manoj Kumar a écrit :
On 2/23/2016 10:21 AM, Frederic Barrat wrote:
+module_init(cxl_base_init);
Is this a remnant from when there were two modules?
Do you really need two module_init() calls (can't one be called from the
other)?
What is the tear-down portion of
Le 24/02/2016 21:03, Manoj Kumar a écrit :
From: Christophe Lombard
+#define CXL_DEV_MINORS 13 /* 1 control + 4 AFUs * 3
(dedicated/master/shared) */
Where does this limit of 4 AFUs come from?
Is this related to CXL_MAX_SLICES?
Should this be a computed value, in case the number of AFUs/
to use the proper timebase-to-time
conversion.
Signed-off-by: Frederic Barrat
Cc: # 4.3+
---
drivers/misc/cxl/pci.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/misc/cxl/pci.c b/drivers/misc/cxl/pci.c
index 4c1903f..0c6c17a1 100644
--- a/drivers/misc/cxl/pci.c
+++ b
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
: 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
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
To ease debugging, add a few tracepoints around the cxl hcalls.
Co-authored-by: Frederic Barrat
Signed-off-by: Frederic Barrat
Signed-off-by: Christophe Lombard
Acked-by: Ian Munsie
---
drivers/misc/cxl/hcalls.c | 9 +++
drivers/misc/cxl/trace.h | 193
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
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
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
Add new entry point to scan the device tree at boot in a guest,
looking for cxl devices.
Co-authored-by: Christophe Lombard
Signed-off-by: Frederic Barrat
Signed-off-by: Christophe Lombard
Acked-by: Ian Munsie
---
drivers/misc/cxl/base.c | 25 +
1 file changed, 25
From: Christophe Lombard
The hcalls introduced for cxl use a possible new value:
H_STATE (invalid state).
Co-authored-by: Frederic Barrat
Signed-off-by: Frederic Barrat
Signed-off-by: Christophe Lombard
Acked-by: Ian Munsie
---
arch/powerpc/include/asm/hvcall.h | 1 +
1 file changed, 1
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
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
Acked-by: Ian Munsie
---
drivers/misc/cxl/cxl.h | 2 +-
drivers/misc/cxl/irq.c | 3 +--
2 files changed, 2 insertions
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
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
/deleting the context. Only the handler 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 | 78
-off-by: Frederic Barrat
Signed-off-by: Christophe Lombard
Acked-by: Ian Munsie
---
drivers/misc/cxl/api.c | 8 +--
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
Rename a few functions, changing the 'cxl_' prefix to either
'cxl_pci_' or 'cxl_native_', 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 Lo
state 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 | 11 ++-
1 file changed, 2 insertions(+), 9 dele
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
Acked-by: Ian Munsie
---
drivers/misc/cxl/cxl.h| 24 +
drivers/misc/cxl/irq.c
This series adds support for a cxl card in a powerVM guest.
It requires firmware FW840 and an activation code for cxl (CAPI).
Note that pHyp only claims support for cxlflash, and not generic
support for FPGA CAPI accelerators. cxlflash uses the (slightly
modified) Nallatech card, so the memcopy AF
+
+/**
+ * cxl_h_validate_adapter_image - Validate the base image in the
coherent
+ *platoform facility.
platoform->platform
Irreverent to the Socratic amongst us.
Hope we didn't hurt your feelings :-D
Fred
___
Le 21/02/2016 22:44, Manoj Kumar a écrit :
Code specific to bare-metal is meant to be in native.c or pci.c
only. It's basically anything which touches the capi p1 registers,
I thought we were going to avoid using the CAPI term externally.
Please update if submitting a v4 of this patch series.
2016 22:39:05 +0100
From: Frederic Barrat
To: imun...@au1.ibm.com, michael.neul...@au1.ibm.com,
m...@ellerman.id.au, linuxppc-dev@lists.ozlabs.org
From: Christophe Lombard
The new of.c file contains code to parse the device tree to find out
about CAPI adapters and AFUs.
guest.c implement
Manoj,
Point taken. Those constants are all defined in the architecture
document (CAIA). We should probably use more macros there.
However, since those were not introduced by this patch, I'll put it in
my todo list for the future, but don't intend to address it in this
patchset.
Fred
Le 2
Le 21/02/2016 23:30, Manoj Kumar a écrit :
Subject: [PATCH v4 08/18] cxl: IRQ allocation for guests
Date: Tue, 16 Feb 2016 22:39:01 +0100
From: Frederic Barrat
To: imun...@au1.ibm.com, michael.neul...@au1.ibm.com,
m...@ellerman.id.au, linuxppc-dev@lists.ozlabs.org
The PSL interrupt is not
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
Acked-by: Ian Munsie
---
drivers/misc/cxl/hcalls.c | 9 +++
drivers/misc/cxl/trace.h | 193
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
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
Acked-by: Ian Munsie
---
drivers/misc/cxl/base.c | 25 +
1 file changed, 25
: 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
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
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
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
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
Acked-by: Ian Munsie
---
arch/powerpc/include/asm/hvcall.h | 1 +
1 file changed, 1
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 | 78 +-
1 file changed, 64
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
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
Acked-by: Ian Munsie
---
drivers/misc/cxl/cxl.h | 2 +-
drivers/misc/cxl/irq.c | 3 +--
2 files changed, 2 insertions
-off-by: Frederic Barrat
Signed-off-by: Christophe Lombard
Acked-by: Ian Munsie
---
drivers/misc/cxl/api.c | 8 +--
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
Rename a few functions, changing the 'cxl_' prefix to either
'cxl_pci_' or 'cxl_native_', 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 Lo
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
state 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 | 11 ++-
1 file changed, 2 insertions(+), 9 dele
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
Acked-by: Ian Munsie
---
drivers/misc/cxl/cxl.h| 24 +
drivers/misc/cxl/irq.c
patchset on 4.5-rc1
Frederic Barrat (18):
cxl: Move common code away from bare-metal-specific files
cxl: Move bare-metal specific code to specialized files
cxl: Define process problem state area at attach time only
cxl: Introduce implementation-specific API
cxl: Rename some bare-metal speci
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 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
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
: 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
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
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
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
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
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
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
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
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
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
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
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
--
-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
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
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
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
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
-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
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
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
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
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
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
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
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
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
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
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
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
--
: 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 | 19
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
kernel API, flash of the adapter and failure handling
Changelog:
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 (16):
cxl: Move common code a
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
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