diff options
| -rw-r--r-- | sys/dev/nvme/nvme_ctrlr.c | 2 | ||||
| -rw-r--r-- | sys/dev/nvme/nvme_private.h | 5 |
2 files changed, 6 insertions, 1 deletions
diff --git a/sys/dev/nvme/nvme_ctrlr.c b/sys/dev/nvme/nvme_ctrlr.c index aa41c8fe5540..a632d7fb68e9 100644 --- a/sys/dev/nvme/nvme_ctrlr.c +++ b/sys/dev/nvme/nvme_ctrlr.c @@ -389,7 +389,7 @@ nvme_ctrlr_enable(struct nvme_controller *ctrlr) cc |= 4 << NVME_CC_REG_IOCQES_SHIFT; /* CQ entry size == 16 == 2^4 */ /* This evaluates to 0, which is according to spec. */ - cc |= (PAGE_SIZE >> 13) << NVME_CC_REG_MPS_SHIFT; + cc |= (PAGE_SHIFT - NVME_BASE_SHIFT) << NVME_CC_REG_MPS_SHIFT; nvme_ctrlr_barrier(ctrlr, BUS_SPACE_BARRIER_WRITE); nvme_mmio_write_4(ctrlr, cc, cc); diff --git a/sys/dev/nvme/nvme_private.h b/sys/dev/nvme/nvme_private.h index c889246f9350..977cc2c8d30d 100644 --- a/sys/dev/nvme/nvme_private.h +++ b/sys/dev/nvme/nvme_private.h @@ -97,6 +97,11 @@ MALLOC_DECLARE(M_NVME); #define NVME_MAX_AER_LOG_SIZE (4096) /* + * Page size parameters + */ +#define NVME_BASE_SHIFT 12 /* Several parameters (MSP) are 2^(12+x) */ + +/* * Define CACHE_LINE_SIZE here for older FreeBSD versions that do not define * it. */ |