Commit d4a5ef7e authored by Xiaodong Liu's avatar Xiaodong Liu Committed by Changpeng Liu
Browse files

ocssd: print ocssd chunk info in identify app 



Get Log Page - Chunk Information could return info
of all chunks. In order to have a glance of them,
by default, get information of 8 chunks starting
from the first chunk.

Change-Id: I7c395f631a3e7f02d59ad6758b347e249baa9c3d
Signed-off-by: default avatarXiaodong Liu <xiaodong.liu@intel.com>
Reviewed-on: https://review.gerrithub.io/411593


Chandler-Test-Pool: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: default avatarJim Harris <james.r.harris@intel.com>
Reviewed-by: default avatarChangpeng Liu <changpeng.liu@intel.com>
Tested-by: default avatarSPDK CI Jenkins <sys_sgci@intel.com>
parent ade59b21

examples/nvme/identify/identify.c

+58 −1
Original line number Diff line number Diff line
@@ -47,6 +47,8 @@ 


#define MAX_DISCOVERY_LOG_ENTRIES	((uint64_t)1000)



#define NUM_CHUNK_INFO_ENTRIES		8



static int outstanding_commands;



struct feature {
@@ -76,6 +78,8 @@ static uint64_t g_discovery_page_numrec; 


static struct spdk_ocssd_geometry_data geometry_data;



static struct spdk_ocssd_chunk_information g_ocssd_chunk_info_page[NUM_CHUNK_INFO_ENTRIES ];



static bool g_hex_dump = false;



static int g_shm_id = -1;
@@ -396,7 +400,6 @@ get_discovery_log_page(struct spdk_nvme_ctrlr *ctrlr) 
	return 0;

}





static void

get_log_pages(struct spdk_nvme_ctrlr *ctrlr)

{
@@ -465,6 +468,29 @@ get_log_pages(struct spdk_nvme_ctrlr *ctrlr) 
	}

}



static int

get_ocssd_chunk_info_log_page(struct spdk_nvme_ns *ns)

{

	struct spdk_nvme_ctrlr *ctrlr = spdk_nvme_ns_get_ctrlr(ns);

	int nsid = spdk_nvme_ns_get_id(ns);

	outstanding_commands = 0;



	if (spdk_nvme_ctrlr_cmd_get_log_page(ctrlr, SPDK_OCSSD_LOG_CHUNK_INFO,

					     nsid, &g_ocssd_chunk_info_page, sizeof(g_ocssd_chunk_info_page), 0,

					     get_log_page_completion, NULL) == 0) {

		outstanding_commands++;

	} else {

		printf("get_ocssd_chunk_info_log_page() failed\n");

		return -1;

	}



	while (outstanding_commands) {

		spdk_nvme_ctrlr_process_admin_completions(ctrlr);

	}



	return 0;

}



static void

get_ocssd_geometry(struct spdk_nvme_ns *ns, struct spdk_ocssd_geometry_data *geometry_data)

{
@@ -553,6 +579,35 @@ print_ascii_string(const void *buf, size_t size) 
	}

}



static void

print_ocssd_chunk_info(struct spdk_ocssd_chunk_information *chk_info, int chk_num)

{

	int i;

	char *cs_str, *ct_str;



	printf("OCSSD Chunk Info Glance\n");

	printf("======================\n");



	for (i = 0; i < chk_num; i++) {

		cs_str = chk_info[i].cs.free ? "Free" :

			 chk_info[i].cs.closed ? "Closed" :

			 chk_info[i].cs.open ? "Open" :

			 chk_info[i].cs.offline ? "Offline" : "Unknown";

		ct_str = chk_info[i].ct.seq_write ? "Sequential Write" :

			 chk_info[i].ct.rnd_write ? "Random Write" : "Unknown";



		printf("------------\n");

		printf("Chunk index:                    %d\n", i);

		printf("Chunk state:                    %s(0x%x)\n", cs_str, *(uint8_t *) & (chk_info[i].cs));

		printf("Chunk type (write mode):        %s\n", ct_str);

		printf("Chunk type (size_deviate):      %s\n", chk_info[i].ct.size_deviate ? "Yes" : "No");

		printf("Wear-level Index:               %d\n", chk_info[i].wli);

		printf("Starting LBA:                   %ld\n", chk_info[i].slba);

		printf("Number of blocks in chunk:      %ld\n", chk_info[i].cnlb);

		printf("Write Pointer:                  %ld\n", chk_info[i].wp);

	}

}



static void

print_ocssd_geometry(struct spdk_ocssd_geometry_data *geometry_data)

{
@@ -692,6 +747,8 @@ print_namespace(struct spdk_nvme_ns *ns) 
	if (spdk_nvme_ctrlr_is_ocssd_supported(spdk_nvme_ns_get_ctrlr(ns))) {

		get_ocssd_geometry(ns, &geometry_data);

		print_ocssd_geometry(&geometry_data);

		get_ocssd_chunk_info_log_page(ns);

		print_ocssd_chunk_info(g_ocssd_chunk_info_page, NUM_CHUNK_INFO_ENTRIES);

	}

}