Commit Graph

4 Commits

Author SHA1 Message Date
Tomasz Kulasek
ebce385d61 lib/util/cpuset: add negate and xor
Change-Id: I8d2fc9d0fcc6cb8b088c307d1520f0b1051c3ef6
Signed-off-by: Tomasz Kulasek <tomaszx.kulasek@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/443518
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
2019-04-09 17:40:24 +00:00
Tomasz Kulasek
1c2163b944 util/cpuset: fix internal string buffer size
When all CPUs are set, formatted string overflows str buffer in the
spdk_cpuset structure with '\0'.

It may destroy CPUs bitmap when formatting is used, so additional
integrity checks are performed in UT.

Change-Id: I92ac790b2c215428cbe0ae89ab4b28570ddb9a0d
Signed-off-by: Tomasz Kulasek <tomaszx.kulasek@intel.com>
Reviewed-on: https://review.gerrithub.io/c/440021
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
2019-01-12 11:19:12 +00:00
Pawel Wodkowski
e7285749ed lib/util: return const pointer from spdk_cpuset_fmt
Change-Id: Iab5f9703ae9235fd3820228127d72e85af9826bc
Signed-off-by: Pawel Wodkowski <pawelx.wodkowski@intel.com>
Reviewed-on: https://review.gerrithub.io/400601
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>
2018-02-20 13:05:36 -05:00
Tomasz Kulasek
601bcbcf66 util: extend cpumask to hold more than 64 cpus
Fixes github issue #218.

This patch introduces spdk_cpuset object to store and manipulate
the set of individual CPUs. The main objective of this object is
to replace cpumask declared as uint64_t and extend the limitation
of supported CPUs (lcores) above 64 CPUs.

spdk_cpuset is always allocated dynamically and accessed by opaque
pointer, what makes it easier to extend in the future without
breaking API/ABI.

This patch also extends parsing function allowing to set cpumask
using a list of cpus e.g. "[0-4,10,12]" sets mask of 0,1,2,3,4,10,12
as well as hexadecimal string with and without "0x" prefix.

Change-Id: I475c3ba7fab629021a22e03176e57e400dd24a49
Signed-off-by: Tomasz Kulasek <tomaszx.kulasek@intel.com>
Reviewed-on: https://review.gerrithub.io/390794
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
2018-01-25 18:51:50 -05:00