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authorjimharris <jimharris@FreeBSD.org>2016-01-11 17:33:51 +0000
committerjimharris <jimharris@FreeBSD.org>2016-01-11 17:33:51 +0000
commitcf634dbebaf0cbb38776bdae87fd9c69fc18f9b7 (patch)
treef04e3bc9def96dcd9a3b803c1192a4c027a51b4a
parent132d9697c09a16aa335d7f87b4cf5c2118dc909a (diff)
downloadFreeBSD-src-cf634dbebaf0cbb38776bdae87fd9c69fc18f9b7.zip
FreeBSD-src-cf634dbebaf0cbb38776bdae87fd9c69fc18f9b7.tar.gz
MFC r293354:
nvme: replace NVME_CEILING macro with howmany()
-rw-r--r--sys/dev/nvme/nvme_ctrlr.c12
1 files changed, 3 insertions, 9 deletions
diff --git a/sys/dev/nvme/nvme_ctrlr.c b/sys/dev/nvme/nvme_ctrlr.c
index f2f6cf4..86f2a54 100644
--- a/sys/dev/nvme/nvme_ctrlr.c
+++ b/sys/dev/nvme/nvme_ctrlr.c
@@ -42,12 +42,6 @@ __FBSDID("$FreeBSD$");
#include "nvme_private.h"
-/*
- * Used for calculating number of CPUs to assign to each core and number of I/O
- * queues to allocate per controller.
- */
-#define NVME_CEILING(num, div) ((((num) - 1) / (div)) + 1)
-
static void nvme_ctrlr_construct_and_submit_aer(struct nvme_controller *ctrlr,
struct nvme_async_event_request *aer);
static void nvme_ctrlr_setup_interrupts(struct nvme_controller *ctrlr);
@@ -152,7 +146,7 @@ nvme_ctrlr_construct_io_qpairs(struct nvme_controller *ctrlr)
* a controller could theoretically support fewer I/O queues than
* MSI-X vectors. So calculate again here just to be safe.
*/
- ctrlr->num_cpus_per_ioq = NVME_CEILING(mp_ncpus, ctrlr->num_io_queues);
+ ctrlr->num_cpus_per_ioq = howmany(mp_ncpus, ctrlr->num_io_queues);
ctrlr->ioq = malloc(ctrlr->num_io_queues * sizeof(struct nvme_qpair),
M_NVME, M_ZERO | M_WAITOK);
@@ -1030,9 +1024,9 @@ nvme_ctrlr_setup_interrupts(struct nvme_controller *ctrlr)
* admin queue.
*/
ctrlr->num_cpus_per_ioq = max(min_cpus_per_ioq,
- NVME_CEILING(mp_ncpus, num_vectors_available - 1));
+ howmany(mp_ncpus, num_vectors_available - 1));
- ctrlr->num_io_queues = NVME_CEILING(mp_ncpus, ctrlr->num_cpus_per_ioq);
+ ctrlr->num_io_queues = howmany(mp_ncpus, ctrlr->num_cpus_per_ioq);
num_vectors_requested = ctrlr->num_io_queues + 1;
num_vectors_allocated = num_vectors_requested;
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