Commit 366d9311 authored by Jim Harris's avatar Jim Harris
Browse files

Reduce NVME_MAX_IO_QUEUES to 1024. 



Most devices today support far fewer than 1024, but this is a
more reasonable default upper limit than the spec-defined 64K.

Signed-off-by: default avatarJim Harris <james.r.harris@intel.com>
Change-Id: Ia8a6d80c3a5aa181f27c8354758c6ca468013d92
parent 38ea764f

lib/nvme/nvme.c

+1 −1
Original line number Diff line number Diff line
@@ -39,7 +39,7 @@ 


struct nvme_driver g_nvme_driver = {

	.lock = NVME_MUTEX_INITIALIZER,

	.max_io_queues = NVME_MAX_IO_QUEUES

	.max_io_queues = DEFAULT_MAX_IO_QUEUES

};



int32_t		nvme_retry_count;

lib/nvme/nvme_internal.h

+7 −0
Original line number Diff line number Diff line
@@ -95,6 +95,13 @@ 
/* Maximum log page size to fetch for AERs. */

#define NVME_MAX_AER_LOG_SIZE		(4096)



/*

 * NVME_MAX_IO_QUEUES in nvme_spec.h defines the 64K spec-limit, but this

 *  define specifies the maximum number of queues this driver will actually

 *  try to configure, if available.

 */

#define DEFAULT_MAX_IO_QUEUES		(1024)



struct nvme_request {

	struct nvme_command		cmd;

test/lib/nvme/unit/nvme_ctrlr_c/nvme_ctrlr_ut.c

+1 −1
Original line number Diff line number Diff line
@@ -37,7 +37,7 @@ 


struct nvme_driver g_nvme_driver = {

	.lock = NVME_MUTEX_INITIALIZER,

	.max_io_queues = NVME_MAX_IO_QUEUES

	.max_io_queues = DEFAULT_MAX_IO_QUEUES

};



char outbuf[OUTBUF_SIZE];

test/lib/nvme/unit/nvme_qpair_c/nvme_qpair_ut.c

+1 −1
Original line number Diff line number Diff line
@@ -37,7 +37,7 @@ 


struct nvme_driver g_nvme_driver = {

	.lock = NVME_MUTEX_INITIALIZER,

	.max_io_queues = NVME_MAX_IO_QUEUES,

	.max_io_queues = DEFAULT_MAX_IO_QUEUES,

};



int32_t nvme_retry_count = 1;