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ocssd: add chunk notification log struct

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This patch adds struct for "Chunk Notification Log".
New log page is used to report the state of chunk, lblk or pu.
Implementation is consistent with Open-Channel
specification (rev. 2.0)

Change-Id: I8aaf01c14d2f0faf8b8f8a6a773b6cb9bf97b38d
Signed-off-by: Jakub Radtke <jakub.radtke@intel.com>
Reviewed-on: https://review.gerrithub.io/426233
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Chandler-Test-Pool: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Xiaodong Liu <xiaodong.liu@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
This commit is contained in:
Jakub Radtke 2018-09-20 14:36:33 +02:00 committed by Changpeng Liu
parent 713b481796
commit 9bb9752881
4 changed files with 108 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
examples/nvme/identify/identify.c
View File

@ -78,7 +78,7 @@ 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 struct spdk_ocssd_chunk_information_entry g_ocssd_chunk_info_page[NUM_CHUNK_INFO_ENTRIES ];
static bool g_hex_dump = false;
@ -580,7 +580,7 @@ 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)
print_ocssd_chunk_info(struct spdk_ocssd_chunk_information_entry *chk_info, int chk_num)
{
int i;
char *cs_str, *ct_str;

2
include/spdk/nvme_ocssd.h
View File

@ -92,7 +92,7 @@ int spdk_nvme_ocssd_ctrlr_cmd_geometry(struct spdk_nvme_ctrlr *ctrlr, uint32_t n
int spdk_nvme_ocssd_ns_cmd_vector_reset(struct spdk_nvme_ns *ns,
struct spdk_nvme_qpair *qpair,
uint64_t *lba_list, uint32_t num_lbas,
struct spdk_ocssd_chunk_information *chunk_info,
struct spdk_ocssd_chunk_information_entry *chunk_info,
spdk_nvme_cmd_cb cb_fn, void *cb_arg);
/**

107
include/spdk/nvme_ocssd_spec.h
View File

@ -157,7 +157,7 @@ struct spdk_ocssd_geometry_data {
};
SPDK_STATIC_ASSERT(sizeof(struct spdk_ocssd_geometry_data) == 4096, "Incorrect size");
struct spdk_ocssd_chunk_information {
struct spdk_ocssd_chunk_information_entry {
/** Chunk State */
struct {
/** if set to 1 chunk is free */
@ -208,7 +208,105 @@ struct spdk_ocssd_chunk_information {
/** Write Pointer */
uint64_t wp;
};
SPDK_STATIC_ASSERT(sizeof(struct spdk_ocssd_chunk_information) == 32, "Incorrect size");
SPDK_STATIC_ASSERT(sizeof(struct spdk_ocssd_chunk_information_entry) == 32, "Incorrect size");
struct spdk_ocssd_chunk_notification_entry {
/**
* This is a 64-bit incrementing notification count, indicating a
* unique identifier for this notification. The counter begins at 1h
* and is incremented for each unique event
*/
uint64_t nc;
/** This field points to the chunk that has its state updated */
uint64_t lba;
/**
* This field indicates the namespace id that the event is associated
* with
*/
uint32_t nsid;
/** Field that indicate the state of the block */
struct {
/**
* If set to 1, then the error rate of the chunk has been
* changed to low
*/
uint8_t error_rate_low : 1;
/**
* If set to 1, then the error rate of the chunk has been
* changed to medium
*/
uint8_t error_rate_medium : 1;
/**
* If set to 1, then the error rate of the chunk has been
* changed to high
*/
uint8_t error_rate_high : 1;
/**
* If set to 1, then the error rate of the chunk has been
* changed to unrecoverable
*/
uint8_t unrecoverable : 1;
/**
* If set to 1, then the chunk has been refreshed by the
* device
*/
uint8_t refreshed : 1;
uint8_t rsvd : 3;
/**
* If set to 1 then the chunk's wear-level index is outside
* the average wear-level index threshold defined by the
* controller
*/
uint8_t wit_exceeded : 1;
uint8_t rsvd2 : 7;
} state;
/**
* The address provided is covering either logical block, chunk, or
* parallel unit
*/
struct {
/** If set to 1, the LBA covers the logical block */
uint8_t lblk : 1;
/** If set to 1, the LBA covers the respecting chunk */
uint8_t chunk : 1;
/**
* If set to 1, the LBA covers the respecting parallel unit
* including all chunks
*/
uint8_t pu : 1;
uint8_t rsvd : 5;
} mask;
uint8_t rsvd[9];
/**
* This field indicates the number of logical chunks to be written.
* This is a 0's based value. This field is only valid if mask bit 0 is
* set. The number of blocks addressed shall not be outside the boundary
* of the specified chunk.
*/
uint16_t nlb;
uint8_t rsvd2[30];
};
SPDK_STATIC_ASSERT(sizeof(struct spdk_ocssd_chunk_notification_entry) == 64, "Incorrect size");
/**
* Vector completion queue entry
@ -249,7 +347,10 @@ enum spdk_ocssd_io_opcode {
*/
enum spdk_ocssd_log_page {
/** Chunk Information */
SPDK_OCSSD_LOG_CHUNK_INFO = 0xCA,
SPDK_OCSSD_LOG_CHUNK_INFO = 0xCA,
/** Chunk Notification Log */
SPDK_OCSSD_LOG_CHUNK_NOTIFICATION = 0xD0,
};
/**

2
lib/nvme/nvme_ns_ocssd_cmd.c
View File

@ -38,7 +38,7 @@ int
spdk_nvme_ocssd_ns_cmd_vector_reset(struct spdk_nvme_ns *ns,
struct spdk_nvme_qpair *qpair,
uint64_t *lba_list, uint32_t num_lbas,
struct spdk_ocssd_chunk_information *chunk_info,
struct spdk_ocssd_chunk_information_entry *chunk_info,
spdk_nvme_cmd_cb cb_fn, void *cb_arg)
{
struct nvme_request *req;