On Fri, Sep 27, 2019 at 2:19 PM Greg Kroah-Hartman
wrote:
>
> On Fri, Sep 27, 2019 at 09:04:02AM -0400, Dan Streetman wrote:
> > The dummy vio_bus_device creates the /sys/devices/vio directory, which
> > contains real vio devices under it; since it represents itself a
On Sat, Sep 28, 2019 at 3:41 AM Greg Kroah-Hartman
wrote:
>
> On Fri, Sep 27, 2019 at 03:48:49PM -0400, Dan Streetman wrote:
> > On Fri, Sep 27, 2019 at 2:19 PM Greg Kroah-Hartman
> > wrote:
> > >
> > > On Fri, Sep 27, 2019 at 09:04:02AM -0400, Da
On Fri, Sep 27, 2019 at 2:19 PM Greg Kroah-Hartman
wrote:
>
> On Fri, Sep 27, 2019 at 09:04:02AM -0400, Dan Streetman wrote:
> > The dummy vio_bus_device creates the /sys/devices/vio directory, which
> > contains real vio devices under it; since it represents itself a
do nothing and return 0.
Signed-off-by: Dan Streetman
---
arch/powerpc/platforms/pseries/vio.c | 11 ---
1 file changed, 4 insertions(+), 7 deletions(-)
diff --git a/arch/powerpc/platforms/pseries/vio.c
b/arch/powerpc/platforms/pseries/vio.c
index 79e2287991db..63bc16631680 100644
---
d-off-by: Markus Elfring
Reviewed-by: Dan Streetman
> ---
> drivers/crypto/nx/nx-842-pseries.c | 5 ++---
> 1 file changed, 2 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/crypto/nx/nx-842-pseries.c
> b/drivers/crypto/nx/nx-842-pseries.c
> index bf52cd1d7fca..6686997
On Sun, Sep 3, 2017 at 4:32 AM, Haren Myneni wrote:
> On 09/02/2017 09:17 AM, Dan Streetman wrote:
>> On Sat, Sep 2, 2017 at 4:40 AM, Haren Myneni
>> wrote:
>>> On 08/29/2017 06:58 AM, Dan Streetman wrote:
>>>> On Sat, Jul 22, 2017 at 1:01 AM, Haren Myneni
On Sat, Sep 2, 2017 at 4:40 AM, Haren Myneni wrote:
> On 08/29/2017 06:58 AM, Dan Streetman wrote:
>> On Sat, Jul 22, 2017 at 1:01 AM, Haren Myneni
>> wrote:
>>>
>>> This patch adds P9 NX support for 842 compression engine. Virtual
>>> Accelerator Swit
On Fri, Sep 1, 2017 at 7:29 AM, Michael Ellerman wrote:
> Hi Dan,
>
> Thanks for reviewing this series.
>
> Dan Streetman writes:
>> On Tue, Aug 29, 2017 at 5:54 PM, Haren Myneni
>> wrote:
>>> On 08/29/2017 02:23 PM, Benjamin Herrenschmidt wrote:
>>
On Thu, Aug 31, 2017 at 3:44 AM, Haren Myneni wrote:
> Thanks MIchael and Dan for your review comments.
>
>
> On 08/29/2017 06:32 AM, Dan Streetman wrote:
>> On Mon, Aug 28, 2017 at 7:25 PM, Michael Ellerman
>> wrote:
>>> Hi Haren,
>>>
>>> So
On Tue, Aug 29, 2017 at 5:54 PM, Haren Myneni wrote:
> On 08/29/2017 02:23 PM, Benjamin Herrenschmidt wrote:
>> On Tue, 2017-08-29 at 09:58 -0400, Dan Streetman wrote:
>>>> +
>>>> + ret = -EINVAL;
>>>> + if (coproc &&
celeration. This
> diff --git a/drivers/crypto/nx/nx-842-powernv.c
> b/drivers/crypto/nx/nx-842-powernv.c
> index c0dd4c7e17d3..13089a0b9dfa 100644
> --- a/drivers/crypto/nx/nx-842-powernv.c
> +++ b/drivers/crypto/nx/nx-842-powernv.c
> @@ -23,6 +23,7 @@
> #include
&g
On Mon, Aug 28, 2017 at 7:25 PM, Michael Ellerman wrote:
> Hi Haren,
>
> Some comments inline ...
>
> Haren Myneni writes:
>
>> diff --git a/drivers/crypto/nx/nx-842-powernv.c
>> b/drivers/crypto/nx/nx-842-powernv.c
>> index c0dd4c7e17d3..13089a0b9dfa 100644
>> --- a/drivers/crypto/nx/nx-842-pow
ency switch the order of parameters in
> SET_FIELD to match the order in skiboot.
>
> Signed-off-by: Sukadev Bhattiprolu
Reviewed-by: Dan Streetman
also, can you change the MAINTAINERS file owner of the IBM Power 842
accelerator to yourself, or someone else at IBM? I no longer have
On Wed, Jan 25, 2017 at 8:38 PM, Sukadev Bhattiprolu
wrote:
>
> Move the GET_FIELD and SET_FIELD macros to vas.h as VAS and other
> users of VAS, including NX-842 can use those macros.
>
> Signed-off-by: Sukadev Bhattiprolu
Reviewed-by: Dan Streetman
> ---
> arch/powe
On Sun, Dec 6, 2015 at 5:57 PM, Daniel Axtens wrote:
> Haren Myneni writes:
>
>> NX842 coprocessor sets bit 3 if queue is overflow. It is just for
>> information to the user. So the driver prints this informative message
>> and ignores it.
>
> What queue, and what happens when the queue overflows
On Sun, Dec 6, 2015 at 2:46 AM, Haren Myneni wrote:
>
> NX842 coprocessor sets bit 3 if queue is overflow. It is just for
> information to the user. So the driver prints this informative message
> and ignores it.
>
> Signed-off-by: Haren Myneni
>
> diff --git a/arch/powerpc/include/asm/icswx.h
>
_pseries_init() or nx842_powernv_init() functions, which are what
>> > normally set the static platform driver.
>> >
>> > Signed-off-by: Nishanth Aravamudan
>> > Cc: Dan Streetman
>> > Cc: Herbert Xu
>> > Cc: "David S. Miller"
>&
On Mon, Jul 13, 2015 at 8:05 PM, Nishanth Aravamudan
wrote:
> On 13.07.2015 [17:05:36 -0700], Nishanth Aravamudan wrote:
>> On 04.07.2015 [15:24:53 +0800], Herbert Xu wrote:
>> > On Thu, Jul 02, 2015 at 03:41:19PM -0700, Nishanth Aravamudan wrote:
>> > > Currently, when the nx-842-pseries driver l
ib/842/842.h explains).
Signed-off-by: Dan Streetman
---
drivers/crypto/nx/Kconfig | 10 +
drivers/crypto/nx/Makefile| 2 +
drivers/crypto/nx/nx-842-crypto.c | 585 ++
3 files changed, 597 insertions(+)
create mode 100644 drivers/cryp
any hardware 842 driver fails.
Signed-off-by: Dan Streetman
---
drivers/crypto/nx/nx-842-pseries.c | 779 -
1 file changed, 153 insertions(+), 626 deletions(-)
diff --git a/drivers/crypto/nx/nx-842-pseries.c
b/drivers/crypto/nx/nx-842-pseries.c
index 6db9992
Add driver for NX-842 hardware on the PowerNV platform.
This allows the use of the 842 compression hardware coprocessor on
the PowerNV platform.
Signed-off-by: Dan Streetman
---
drivers/crypto/nx/Kconfig | 10 +
drivers/crypto/nx/Makefile | 2 +
drivers/crypto/nx/nx-842
ed because the 842 hardware requires buffers to meet specific
constraints that vary based on platform - for example, the pSeries
max length is much lower than the PowerNV max length.
Signed-off-by: Dan Streetman
---
drivers/crypto/nx/nx-842-pseries.c | 10 ++
drivers/crypto/nx/nx-842.c
-off-by: Dan Streetman
---
MAINTAINERS| 2 +-
drivers/crypto/Kconfig | 10 +--
drivers/crypto/nx/Kconfig | 35 ++---
drivers/crypto/nx/Makefile | 4 +-
drivers/crypto/nx/nx-842-pseries.c | 57 +++
drivers/crypto/nx/nx-842.c
-off-by: Dan Streetman
---
drivers/crypto/nx/Makefile |2 +-
drivers/crypto/nx/nx-842-pseries.c | 1603
drivers/crypto/nx/nx-842.c | 1603
3 files changed, 1604 insertions(+), 1604 deletions(-)
create
ompression/decompression library.
Signed-off-by: Dan Streetman
---
MAINTAINERS| 1 +
crypto/842.c | 174 -
crypto/Kconfig | 7 +--
3 files changed, 41 insertions(+), 141 deletions(-)
diff --git a/MAINTAINERS b/MAINTAINERS
index 116af01..5a5c
patch to provide a full software 842 compression
and decompression crypto interface.
Signed-off-by: Dan Streetman
---
MAINTAINERS | 2 +
include/linux/sw842.h| 12 +
lib/842/842.h| 127 ++
lib/842/842_compress.c | 626
for communication with the NX-842 coprocessor on
a PowerNV system.
Signed-off-by: Dan Streetman
---
arch/powerpc/include/asm/icswx.h | 184 ++
arch/powerpc/include/asm/ppc-opcode.h | 13 +++
2 files changed, 197 insertions(+)
create mode 100644 arch/powerpc
Export the of_get_ibm_chip_id() function. This will be used by the
PowerNV NX-842 driver.
Signed-off-by: Dan Streetman
---
arch/powerpc/kernel/prom.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c
index 308c5e1..ea2cea7 100644
--- a
se the same alg name "842",
and different driver names, "842-generic" and "842-nx"
Dan Streetman (10):
powerpc: export of_get_ibm_chip_id function
powerpc: Add ICSWX instruction
lib: add software 842 compression/decompression
crypto: change 842 alg to use softwa
On Wed, May 6, 2015 at 11:12 PM, Herbert Xu wrote:
> On Wed, May 06, 2015 at 12:51:06PM -0400, Dan Streetman wrote:
>> Add crypto compression alg for 842 hardware compression and decompression.
>>
>> This crypto compression alg is named "nx842" to indicate it
t; template, as lib/842/842.h explains).
Signed-off-by: Dan Streetman
---
drivers/crypto/nx/Kconfig | 10 +
drivers/crypto/nx/Makefile| 2 +
drivers/crypto/nx/nx-842-crypto.c | 603 ++
3 files changed, 615 insertions(+)
create mode 100644
any hardware 842 driver fails.
Signed-off-by: Dan Streetman
---
drivers/crypto/nx/nx-842-pseries.c | 779 -
1 file changed, 153 insertions(+), 626 deletions(-)
diff --git a/drivers/crypto/nx/nx-842-pseries.c
b/drivers/crypto/nx/nx-842-pseries.c
index 6db9992
-off-by: Dan Streetman
---
MAINTAINERS| 2 +-
drivers/crypto/Kconfig | 10 +--
drivers/crypto/nx/Kconfig | 35 ++---
drivers/crypto/nx/Makefile | 4 +-
drivers/crypto/nx/nx-842-pseries.c | 57 +++
drivers/crypto/nx/nx-842.c
Add driver for NX-842 hardware on the PowerNV platform.
This allows the use of the 842 compression hardware coprocessor on
the PowerNV platform.
Signed-off-by: Dan Streetman
---
drivers/crypto/nx/Kconfig | 10 +
drivers/crypto/nx/Makefile | 2 +
drivers/crypto/nx/nx-842
ed because the 842 hardware requires buffers to meet specific
constraints that vary based on platform - for example, the pSeries
max length is much lower than the PowerNV max length.
Signed-off-by: Dan Streetman
---
drivers/crypto/nx/nx-842-pseries.c | 10 ++
drivers/crypto/nx/nx-842.c
-off-by: Dan Streetman
---
drivers/crypto/nx/Makefile |2 +-
drivers/crypto/nx/nx-842-pseries.c | 1603
drivers/crypto/nx/nx-842.c | 1603
3 files changed, 1604 insertions(+), 1604 deletions(-)
create
ompression/decompression library. Since users of the "842" alg
expected hardware compression, the name of this software-only alg is
changed to "sw842"; the new hardware 842 crypto compression alg will be
aliased to "842" in a later patch.
Signed-off-by: Dan Streetman
-
patch to provide a full software 842 compression
and decompression crypto interface.
Signed-off-by: Dan Streetman
---
MAINTAINERS | 2 +
include/linux/sw842.h| 12 +
lib/842/842.h| 127 ++
lib/842/842_compress.c | 626
for communication with the NX-842 coprocessor on
a PowerNV system.
Signed-off-by: Dan Streetman
---
arch/powerpc/include/asm/icswx.h | 184 ++
arch/powerpc/include/asm/ppc-opcode.h | 13 +++
2 files changed, 197 insertions(+)
create mode 100644 arch/powerpc
Export the of_get_ibm_chip_id() function. This will be used by the
PowerNV NX-842 driver.
Signed-off-by: Dan Streetman
---
arch/powerpc/kernel/prom.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c
index 308c5e1..ea2cea7 100644
--- a
d significantly since the
last patch series; I didn't list specific differences since there are
so many.
Dan Streetman (10):
powerpc: export of_get_ibm_chip_id function
powerpc: Add ICSWX instruction
lib: add software 842 compression/decompression
crypto: change 842 alg to use software
Add a devicetree description for property nodes for the NX Coprocessor
in an IBM PowerPC processor.
Signed-off-by: Dan Streetman
---
Is this the right location/naming for this file?
And did I get the content format right?
Should this file be called "ibm-nx-opal.txt" instead
On Wed, Apr 8, 2015 at 10:16 AM, Herbert Xu wrote:
> On Tue, Apr 07, 2015 at 01:34:30PM -0400, Dan Streetman wrote:
>> Add configurable module to perform self-tests on any crypto compression
>> driver.
>>
>> This allows testing any crypto compression driver with any
On Wed, Apr 8, 2015 at 10:38 AM, Herbert Xu wrote:
> On Wed, Apr 08, 2015 at 10:28:23AM -0400, Dan Streetman wrote:
>>
>> So, the sw implementation is only for decompression; there's no sw
>> compression implementation in these patches.
>
> As a genera
On Wed, Apr 8, 2015 at 10:16 AM, Herbert Xu wrote:
> On Tue, Apr 07, 2015 at 01:34:28PM -0400, Dan Streetman wrote:
>> Update the crypto 842 driver to no longer fallback to LZO if the 842
>> hardware is unavailable. Simplify the crpypto 842 driver to remove all
>> heade
compressor during compression or decompression will end the test and
be logged.
Signed-off-by: Dan Streetman
---
crypto/Kconfig | 9 +
crypto/Makefile| 1 +
crypto/comp_selftest.c | 928 +
3 files changed, 938 insertions
n hardware with any
alignment or length buffers; previously with only the pSeries NX-842 driver
all (uncompressed) buffers needed to be page-sized and page-aligned.
Signed-off-by: Dan Streetman
---
MAINTAINERS | 1 +
crypto/842.c | 414 --
/decompression. The
user of the crypto 842 driver can fallback to another format if desired.
Signed-off-by: Dan Streetman
---
crypto/842.c | 139 -
crypto/Kconfig | 4 +-
2 files changed, 29 insertions(+), 114 deletions(-)
diff --git a/crypto
-off-by: Dan Streetman
---
drivers/crypto/nx/nx-842-pseries.c | 779 -
1 file changed, 153 insertions(+), 626 deletions(-)
diff --git a/drivers/crypto/nx/nx-842-pseries.c
b/drivers/crypto/nx/nx-842-pseries.c
index 3773e36..0b7bad3 100644
--- a/drivers/crypto/nx
Add driver for NX-842 hardware on the PowerNV platform.
This allows the use of the 842 compression hardware coprocessor on
the PowerNV platform.
Signed-off-by: Dan Streetman
---
drivers/crypto/nx/Kconfig | 10 +
drivers/crypto/nx/Makefile | 2 +
drivers/crypto/nx/nx-842
ed because the 842 hardware requires buffers to meet specific
constraints that vary based on platform - for example, the pSeries
max length is much lower than the PowerNV max length.
These constraints are used by a later patch that improves the crypto 842
driver.
Signed-off-by: Dan Streetman
--
Add NX-842 frontend that allows using either the pSeries platform
or PowerNV platform driver for the NX-842 hardware. Update the
MAINTAINERS file to include the new filenames.
Signed-off-by: Dan Streetman
---
MAINTAINERS| 2 +-
crypto/842.c | 2
-off-by: Dan Streetman
---
drivers/crypto/nx/Makefile |2 +-
drivers/crypto/nx/nx-842-pseries.c | 1603
drivers/crypto/nx/nx-842.c | 1603
3 files changed, 1604 insertions(+), 1604 deletions(-)
create
function is required by later
patches that update the crypto 842 driver to fall back to software 842
decompression if the NX-842 hardware fails and/or returns an error.
Signed-off-by: Dan Streetman
---
MAINTAINERS | 2 +
include/linux/sw842.h| 7 +
lib/842/842_decompress.c | 413
for communication with the NX-842 coprocessor on
a PowerNV system.
Signed-off-by: Dan Streetman
---
arch/powerpc/include/asm/icswx.h | 184 ++
arch/powerpc/include/asm/ppc-opcode.h | 13 +++
2 files changed, 197 insertions(+)
create mode 100644 arch/powerpc
Export the of_get_ibm_chip_id() function. This will be used by the
PowerNV NX-842 driver.
Signed-off-by: Dan Streetman
---
arch/powerpc/kernel/prom.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c
index b8e15c6..f9fb9a2 100644
--- a
on cycles using variable alignment
and length buffers, multiple threads, and can calculate the throughput.
Dan Streetman (11):
powerpc: export of_get_ibm_chip_id function
powerpc: Add ICSWX instruction
crypto: add software 842 decompression
drivers/crypto/nx: move nx-842.c to nx-842-pseries.c
e a reasonable
> additional condition.
>
> With this change, the afore-mentioned 16M hugepage allocation succeeds
> and correctly round-robins between Nodes 1 and 3.
>
> Signed-off-by: Nishanth Aravamudan
Reviewed-by: Dan Streetman
>
> diff --git a/mm/vmscan.c b/mm/vmscan.c
>
On Fri, Dec 5, 2014 at 1:18 PM, Ashutosh Dixit wrote:
> On Thu, Dec 04 2014 at 07:27:06 PM, Dan Streetman wrote:
>> On Thu, Dec 4, 2014 at 4:27 PM, Ashutosh Dixit
>> wrote:
>>> mic/mpssd along with MIC drivers are currently only usable on
>>> x86_64. So build m
of
leaving the htole16() et. al. functions in mpssd.c? Shouldn't they be
removed?
>
> Reported-by: Daniel Borkmann
> Reported-by: Dan Streetman
> Suggested-by: Peter Foley
> Signed-off-by: Ashutosh Dixit
> ---
> Documentation/mic/mpssd/Makefile | 2 +-
> 1 file chan
/removed
using dlpar operations; without this patch, the
/sys/devices/system/cpu/cpuN/online nodes do not correctly show the
online state of added/removed cpus.
Signed-off-by: Dan Streetman
Cc: Nathan Fontenot
---
Previous discussion for this:
https://lkml.org/lkml/2014/10/29/839
arch/powerpc
Change maintainer of nx-842 compression coprocessor driver
to Dan Streetman.
Signed-off-by: Dan Streetman
Cc: Nathan Fontenot
---
MAINTAINERS | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/MAINTAINERS b/MAINTAINERS
index b0f17d5..3cc3e41 100644
--- a/MAINTAINERS
+++ b
Yep, I own the driver now, I'll send a maintainers patch.
On Thu, Oct 16, 2014 at 6:52 PM, Benjamin Herrenschmidt
wrote:
> On Fri, 2014-10-17 at 09:43 +1100, Michael Ellerman wrote:
>> On Thu, 2014-10-16 at 15:30 -0400, Dan Streetman wrote:
>> > Check old_devdata->d
Check old_devdata->dev in nx-842 driver before accessing it, as
on systems without any nx-842 hardware, the ->dev will never be
set. Currently, the module will cause an oops during unload
since old_devdata->dev is null.
Signed-off-by: Dan Streetman
---
Also Seth and Rob, you guys shou
Currently, when not in hypervisor mode the kernel
Oopses during suspend or hibernation when accessing
the SDR1 register, because it is only available
in hypervisor mode. Access to it needs to be
protected in BEGIN/END_FW_FTR_SECTION.
Signed-off-by: Dan Streetman
Cc: Benjamin Herrenschmidt
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