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nvme/rdma: set IOSQES and IOCQES in cc register

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The reason is that kernel nvmf target will check the
value. If not set, it will fail the other commands later.
Even for discovery ctrlr, kernel nvmf target will
check the cc value.

Change-Id: I998327f91ba96281d261952878eb84d648a823da
Signed-off-by: Ziye Yang <ziye.yang@intel.com>
This commit is contained in:
Ziye Yang 2016-12-07 18:29:47 +08:00 committed by Daniel Verkamp
parent 152a3f0528
commit 8eaf533156
1 changed files with 2 additions and 0 deletions
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2
lib/nvme/nvme_rdma.c
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@ -1082,6 +1082,8 @@ nvme_rdma_ctrlr_scan(enum spdk_nvme_transport_type trtype,
/* TODO: this should be using the normal NVMe controller initialization process */
cc.raw = 0;
cc.bits.en = 1;
cc.bits.iosqes = 6; /* SQ entry size == 64 == 2^6 */
cc.bits.iocqes = 4; /* CQ entry size == 16 == 2^4 */
rc = nvme_transport_ctrlr_set_reg_4(discovery_ctrlr, offsetof(struct spdk_nvme_registers, cc.raw),
cc.raw);
if (rc < 0) {