Commit ebce385d authored by Tomasz Kulasek's avatar Tomasz Kulasek Committed by Ben Walker
Browse files

lib/util/cpuset: add negate and xor 



Change-Id: I8d2fc9d0fcc6cb8b088c307d1520f0b1051c3ef6
Signed-off-by: default avatarTomasz Kulasek <tomaszx.kulasek@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/443518


Tested-by: default avatarSPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: default avatarBen Walker <benjamin.walker@intel.com>
Reviewed-by: default avatarShuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
parent 7b0579df

include/spdk/cpuset.h

+15 −0
Original line number Diff line number Diff line
@@ -100,6 +100,21 @@ void spdk_cpuset_and(struct spdk_cpuset *dst, const struct spdk_cpuset *src); 
 */

void spdk_cpuset_or(struct spdk_cpuset *dst, const struct spdk_cpuset *src);



/**

 * Perform XOR operation on two CPU sets. The result is stored in dst.

 *

 * \param dst First argument of operation. This value also stores the result of operation.

 * \param src Second argument of operation.

 */

void spdk_cpuset_xor(struct spdk_cpuset *dst, const struct spdk_cpuset *src);



/**

 * Negate all CPUs in CPU set.

 *

 * \param set CPU set to be negated. This value also stores the result of operation.

 */

void spdk_cpuset_negate(struct spdk_cpuset *set);



/**

 * Clear all CPUs in CPU set.

 *

lib/util/cpuset.c

+21 −0
Original line number Diff line number Diff line
@@ -67,6 +67,16 @@ spdk_cpuset_copy(struct spdk_cpuset *set1, const struct spdk_cpuset *set2) 
	memcpy(&set1->cpus, &set2->cpus, sizeof(set2->cpus));

}



void

spdk_cpuset_negate(struct spdk_cpuset *set)

{

	unsigned int i;

	assert(set != NULL);

	for (i = 0; i < sizeof(set->cpus); i++) {

		set->cpus[i] = ~set->cpus[i];

	}

}



void

spdk_cpuset_and(struct spdk_cpuset *set1, const struct spdk_cpuset *set2)

{
@@ -89,6 +99,17 @@ spdk_cpuset_or(struct spdk_cpuset *set1, const struct spdk_cpuset *set2) 
	}

}



void

spdk_cpuset_xor(struct spdk_cpuset *set1, const struct spdk_cpuset *set2)

{

	unsigned int i;

	assert(set1 != NULL);

	assert(set2 != NULL);

	for (i = 0; i < sizeof(set2->cpus); i++) {

		set1->cpus[i] ^= set2->cpus[i];

	}

}



void

spdk_cpuset_zero(struct spdk_cpuset *set)

{