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2021-06-25selftests/powerpc: Use req_max_processed_len from sysfs NX capabilitiesHaren Myneni2-4/+17
On PowerVM, the hypervisor defines the maximum buffer length for each NX request and the kernel exported this value via sysfs. This patch reads this value if the sysfs entry is available and is used to limit the request length. Signed-off-by: Haren Myneni <haren@linux.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/ed908341b1eb7ca0183c028a4ed4a0cf48bfe0f6.camel@linux.ibm.com
2021-04-22selftests/powerpc: remove unneeded semicolonYang Li1-1/+1
Eliminate the following coccicheck warning: ./tools/testing/selftests/powerpc/nx-gzip/gzfht_test.c:327:4-5: Unneeded semicolon Reported-by: Abaci Robot <abaci@linux.alibaba.com> Signed-off-by: Yang Li <yang.lee@linux.alibaba.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/1612780870-95890-1-git-send-email-yang.lee@linux.alibaba.com
2020-12-03selftests/powerpc: update .gitignoreDaniel Axtens1-0/+3
I did an in-place build of the self-tests and found that it left the tree dirty. Add missed test binaries to .gitignore Signed-off-by: Daniel Axtens <dja@axtens.net> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20201201144427.1228745-1-dja@axtens.net
2020-07-15selftests/powerpc: Use proper error code to check fault addressHaren Myneni2-4/+4
ERR_NX_TRANSLATION(CSB.CC=5) is for internal to VAS for fault handling and should not used by OS. ERR_NX_AT_FAULT(CSB.CC=250) is the proper error code should be reported by OS when NX encounters address translation failure. This patch uses CC=250 to determine the fault address when the request is not successful. Signed-off-by: Haren Myneni <haren@linux.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/0315251705baff94f678c33178491b5008723511.camel@linux.ibm.com
2020-04-21selftests/powerpc: Add README for GZIP engine testsRaphael Moreira Zinsly2-0/+46
Include a README file with the instructions to use the testcases at selftests/powerpc/nx-gzip. Signed-off-by: Bulent Abali <abali@us.ibm.com> Signed-off-by: Raphael Moreira Zinsly <rzinsly@linux.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20200420205538.25181-6-rzinsly@linux.ibm.com
2020-04-21selftests/powerpc: Add NX-GZIP engine decompress testcaseRaphael Moreira Zinsly3-1/+1030
Include a decompression testcase for the powerpc NX-GZIP engine. Signed-off-by: Bulent Abali <abali@us.ibm.com> Signed-off-by: Raphael Moreira Zinsly <rzinsly@linux.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20200420205538.25181-5-rzinsly@linux.ibm.com
2020-04-21selftests/powerpc: Add NX-GZIP engine compress testcaseRaphael Moreira Zinsly4-0/+802
Add a compression testcase for the powerpc NX-GZIP engine. Signed-off-by: Bulent Abali <abali@us.ibm.com> Signed-off-by: Raphael Moreira Zinsly <rzinsly@linux.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20200420205538.25181-4-rzinsly@linux.ibm.com
2020-04-21selftests/powerpc: Add header files for NX compresion/decompressionRaphael Moreira Zinsly3-0/+801
Add files to be able to compress and decompress files using the powerpc NX-GZIP engine. Signed-off-by: Bulent Abali <abali@us.ibm.com> Signed-off-by: Raphael Moreira Zinsly <rzinsly@linux.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20200420205538.25181-3-rzinsly@linux.ibm.com
2020-04-21selftests/powerpc: Add header files for GZIP engine testRaphael Moreira Zinsly3-0/+194
Add files to access the powerpc NX-GZIP engine in user space. Signed-off-by: Bulent Abali <abali@us.ibm.com> Signed-off-by: Raphael Moreira Zinsly <rzinsly@linux.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20200420205538.25181-2-rzinsly@linux.ibm.com
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