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opal_spec: optimize level 0 discovery data structure definition

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Also uses ComPacket header to check the received data, no actual
function changes.

Change-Id: I905fc6b8bb4656d48d43ff4ff8d1f705b9b595b9
Signed-off-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/1074
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
This commit is contained in:
Changpeng Liu 2020-03-03 00:21:47 +08:00 committed by Tomasz Zawadzki
parent 996248fd86
commit 80ec5489ae
3 changed files with 65 additions and 91 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

79
include/spdk/opal_spec.h
View File

@ -186,24 +186,33 @@ enum spdk_opal_token {
* TCG Storage Architecture Core Spec v2.01 r1.00
* Table-39 Level0 Discovery Header Format
*/
struct spdk_d0_header {
struct spdk_opal_d0_hdr {
uint32_t length;
uint32_t revision;
uint32_t reserved_0;
uint32_t reserved_1;
uint8_t vendor_specfic[32];
};
SPDK_STATIC_ASSERT(sizeof(struct spdk_d0_header) == 48, "Incorrect size");
SPDK_STATIC_ASSERT(sizeof(struct spdk_opal_d0_hdr) == 48, "Incorrect size");
/*
* Level 0 Discovery Feature Header
*/
struct spdk_opal_d0_feat_hdr {
uint16_t code;
uint8_t reserved : 4;
uint8_t version : 4;
uint8_t length;
};
SPDK_STATIC_ASSERT(sizeof(struct spdk_opal_d0_feat_hdr) == 4, "Incorrect size");
/*
* TCG Storage Architecture Core Spec v2.01 r1.00
* Table-42 TPer Feature Descriptor
*/
struct __attribute__((packed)) spdk_d0_tper_features {
uint16_t feature_code;
uint8_t reserved_0 : 4;
uint8_t version : 4;
uint8_t length;
struct __attribute__((packed)) spdk_opal_d0_tper_feat {
struct spdk_opal_d0_feat_hdr hdr;
uint8_t sync : 1;
uint8_t async : 1;
uint8_t acknack : 1;
@ -217,17 +226,14 @@ struct __attribute__((packed)) spdk_d0_tper_features {
uint32_t reserved_4;
uint32_t reserved_5;
};
SPDK_STATIC_ASSERT(sizeof(struct spdk_d0_tper_features) == 16, "Incorrect size");
SPDK_STATIC_ASSERT(sizeof(struct spdk_opal_d0_tper_feat) == 16, "Incorrect size");
/*
* TCG Storage Architecture Core Spec v2.01 r1.00
* Table-43 Locking Feature Descriptor
*/
struct __attribute__((packed)) spdk_d0_locking_features {
uint16_t feature_code;
uint8_t reserved_0 : 4;
uint8_t version : 4;
uint8_t length;
struct __attribute__((packed)) spdk_opal_d0_locking_feat {
struct spdk_opal_d0_feat_hdr hdr;
uint8_t locking_supported : 1;
uint8_t locking_enabled : 1;
uint8_t locked : 1;
@ -241,17 +247,14 @@ struct __attribute__((packed)) spdk_d0_locking_features {
uint32_t reserved_4;
uint32_t reserved_5;
};
SPDK_STATIC_ASSERT(sizeof(struct spdk_d0_locking_features) == 16, "Incorrect size");
SPDK_STATIC_ASSERT(sizeof(struct spdk_opal_d0_locking_feat) == 16, "Incorrect size");
/*
* TCG Storage Opal Feature Set Single User Mode v1.00 r2.00
* 4.2.1 Single User Mode Feature Descriptor
*/
struct __attribute__((packed)) spdk_d0_sum {
uint16_t feature_code;
uint8_t reserved_0 : 4;
uint8_t version : 4;
uint8_t length;
struct __attribute__((packed)) spdk_opal_d0_single_user_mode_feat {
struct spdk_opal_d0_feat_hdr hdr;
uint32_t num_locking_objects;
uint8_t any : 1;
uint8_t all : 1;
@ -262,17 +265,14 @@ struct __attribute__((packed)) spdk_d0_sum {
uint16_t reserved_3;
uint32_t reserved_4;
};
SPDK_STATIC_ASSERT(sizeof(struct spdk_d0_sum) == 16, "Incorrect size");
SPDK_STATIC_ASSERT(sizeof(struct spdk_opal_d0_single_user_mode_feat) == 16, "Incorrect size");
/*
* TCG Storage Opal v2.01 r1.00
* 3.1.1.4 Geometry Reporting Feature
*/
struct __attribute__((packed)) spdk_d0_geo_features {
uint16_t feature_code;
uint8_t reserved_0 : 4;
uint8_t version : 4;
uint8_t length;
struct __attribute__((packed)) spdk_opal_d0_geo_feat {
struct spdk_opal_d0_feat_hdr hdr;
uint8_t align : 1;
uint8_t reserved_1 : 7;
uint8_t reserved_2[7];
@ -280,33 +280,27 @@ struct __attribute__((packed)) spdk_d0_geo_features {
uint64_t alignment_granularity;
uint64_t lowest_aligned_lba;
};
SPDK_STATIC_ASSERT(sizeof(struct spdk_d0_geo_features) == 32, "Incorrect size");
SPDK_STATIC_ASSERT(sizeof(struct spdk_opal_d0_geo_feat) == 32, "Incorrect size");
/*
* TCG Storage Opal Feature Set Additional DataStore Tables v1.00 r1.00
* 4.1.1 DataStore Table Feature Descriptor
*/
struct __attribute__((packed)) spdk_d0_datastore_features {
uint16_t feature_code;
uint8_t reserved_0 : 4;
uint8_t version : 4;
uint8_t length;
struct __attribute__((packed)) spdk_opal_d0_datastore_feat {
struct spdk_opal_d0_feat_hdr hdr;
uint16_t reserved_1;
uint16_t max_tables;
uint32_t max_table_size;
uint32_t alignment;
};
SPDK_STATIC_ASSERT(sizeof(struct spdk_d0_datastore_features) == 16, "Incorrect size");
SPDK_STATIC_ASSERT(sizeof(struct spdk_opal_d0_datastore_feat) == 16, "Incorrect size");
/*
* Opal SSC 1.00 r3.00 Final
* 3.1.1.4 Opal SSC Feature
*/
struct __attribute__((packed)) spdk_d0_opal_v100 {
uint16_t feature_code;
uint8_t reserved_0 : 4;
uint8_t version : 4;
uint8_t length;
struct __attribute__((packed)) spdk_opal_d0_v100_feat {
struct spdk_opal_d0_feat_hdr hdr;
uint16_t base_comid;
uint16_t number_comids;
uint8_t range_crossing : 1;
@ -317,18 +311,15 @@ struct __attribute__((packed)) spdk_d0_opal_v100 {
uint32_t reserved_4;
uint32_t reserved_5;
};
SPDK_STATIC_ASSERT(sizeof(struct spdk_d0_opal_v100) == 20, "Incorrect size");
SPDK_STATIC_ASSERT(sizeof(struct spdk_opal_d0_v100_feat) == 20, "Incorrect size");
/*
* TCG Storage Opal v2.01 r1.00
* 3.1.1.4 Geometry Reporting Feature
* 3.1.1.5 Opal SSC V2.00 Feature
*/
struct __attribute__((packed)) spdk_d0_opal_v200 {
uint16_t featureCode;
uint8_t reserved_0 : 4;
uint8_t version : 4;
uint8_t length;
struct __attribute__((packed)) spdk_opal_d0_v200_feat {
struct spdk_opal_d0_feat_hdr hdr;
uint16_t base_comid;
uint16_t num_comids;
uint8_t range_crossing : 1;
@ -341,7 +332,7 @@ struct __attribute__((packed)) spdk_d0_opal_v200 {
uint8_t reserved_2;
uint32_t reserved_3;
};
SPDK_STATIC_ASSERT(sizeof(struct spdk_d0_opal_v200) == 20, "Incorrect size");
SPDK_STATIC_ASSERT(sizeof(struct spdk_opal_d0_v200_feat) == 20, "Incorrect size");
/*
* TCG Storage Architecture Core Spec v2.01 r1.00

67
lib/nvme/nvme_opal.c
View File

@ -83,7 +83,7 @@ static int
opal_recv_cmd(struct spdk_opal_dev *dev)
{
void *response = dev->resp;
struct spdk_opal_header *header = response;
struct spdk_opal_compacket *header = response;
int ret = 0;
uint64_t start = spdk_get_ticks();
uint64_t now;
@ -96,11 +96,11 @@ opal_recv_cmd(struct spdk_opal_dev *dev)
return ret;
}
SPDK_DEBUGLOG(SPDK_LOG_OPAL, "outstanding_data=%d, minTransfer=%d\n",
header->com_packet.outstanding_data,
header->com_packet.min_transfer);
header->outstanding_data,
header->min_transfer);
if (header->com_packet.outstanding_data == 0 &&
header->com_packet.min_transfer == 0) {
if (header->outstanding_data == 0 &&
header->min_transfer == 0) {
return 0; /* return if all the response data are ready by tper and received by host */
} else { /* check timeout */
now = spdk_get_ticks();
@ -746,7 +746,7 @@ opal_build_locking_range(uint8_t *buffer, size_t length, uint8_t locking_range)
static void
opal_check_tper(struct spdk_opal_dev *dev, const void *data)
{
const struct spdk_d0_tper_features *tper = data;
const struct spdk_opal_d0_tper_feat *tper = data;
struct spdk_opal_info *opal_info = dev->opal_info;
opal_info->opal_ssc_dev = 1;
@ -765,7 +765,7 @@ opal_check_tper(struct spdk_opal_dev *dev, const void *data)
static bool
opal_check_sum(struct spdk_opal_dev *dev, const void *data)
{
const struct spdk_d0_sum *sum = data;
const struct spdk_opal_d0_single_user_mode_feat *sum = data;
uint32_t num_locking_objects = from_be32(&sum->num_locking_objects);
struct spdk_opal_info *opal_info = dev->opal_info;
@ -786,7 +786,7 @@ opal_check_sum(struct spdk_opal_dev *dev, const void *data)
static void
opal_check_lock(struct spdk_opal_dev *dev, const void *data)
{
const struct spdk_d0_locking_features *lock = data;
const struct spdk_opal_d0_locking_feat *lock = data;
struct spdk_opal_info *opal_info = dev->opal_info;
opal_info->locking = 1;
@ -801,7 +801,7 @@ opal_check_lock(struct spdk_opal_dev *dev, const void *data)
static void
opal_check_geometry(struct spdk_opal_dev *dev, const void *data)
{
const struct spdk_d0_geo_features *geo = data;
const struct spdk_opal_d0_geo_feat *geo = data;
struct spdk_opal_info *opal_info = dev->opal_info;
uint64_t align = from_be64(&geo->alignment_granularity);
uint64_t lowest_lba = from_be64(&geo->lowest_aligned_lba);
@ -819,7 +819,7 @@ opal_check_geometry(struct spdk_opal_dev *dev, const void *data)
static void
opal_check_datastore(struct spdk_opal_dev *dev, const void *data)
{
const struct spdk_d0_datastore_features *datastore = data;
const struct spdk_opal_d0_datastore_feat *datastore = data;
struct spdk_opal_info *opal_info = dev->opal_info;
opal_info->datastore = 1;
@ -831,7 +831,7 @@ opal_check_datastore(struct spdk_opal_dev *dev, const void *data)
static uint16_t
opal_get_comid_v100(struct spdk_opal_dev *dev, const void *data)
{
const struct spdk_d0_opal_v100 *v100 = data;
const struct spdk_opal_d0_v100_feat *v100 = data;
struct spdk_opal_info *opal_info = dev->opal_info;
uint16_t base_comid = from_be16(&v100->base_comid);
@ -846,7 +846,7 @@ opal_get_comid_v100(struct spdk_opal_dev *dev, const void *data)
static uint16_t
opal_get_comid_v200(struct spdk_opal_dev *dev, const void *data)
{
const struct spdk_d0_opal_v200 *v200 = data;
const struct spdk_opal_d0_v200_feat *v200 = data;
struct spdk_opal_info *opal_info = dev->opal_info;
uint16_t base_comid = from_be16(&v200->base_comid);
@ -866,8 +866,9 @@ opal_get_comid_v200(struct spdk_opal_dev *dev, const void *data)
static int
opal_discovery0_end(struct spdk_opal_dev *dev)
{
bool found_com_id = false, supported = false, single_user = false;
const struct spdk_d0_header *hdr = (struct spdk_d0_header *)dev->resp;
bool supported = false, single_user = false;
const struct spdk_opal_d0_hdr *hdr = (struct spdk_opal_d0_hdr *)dev->resp;
struct spdk_opal_d0_feat_hdr *feat_hdr;
const uint8_t *epos = dev->resp, *cpos = dev->resp;
uint16_t comid = 0;
uint32_t hlen = from_be32(&(hdr->length));
@ -882,40 +883,37 @@ opal_discovery0_end(struct spdk_opal_dev *dev)
cpos += sizeof(*hdr); /* current position on buffer */
while (cpos < epos) {
const union spdk_discovery0_features *body =
(const union spdk_discovery0_features *)cpos;
uint16_t feature_code = from_be16(&(body->tper.feature_code));
feat_hdr = (struct spdk_opal_d0_feat_hdr *)cpos;
uint16_t feat_code = from_be16(&feat_hdr->code);
switch (feature_code) {
switch (feat_code) {
case FEATURECODE_TPER:
opal_check_tper(dev, body);
opal_check_tper(dev, cpos);
break;
case FEATURECODE_SINGLEUSER:
single_user = opal_check_sum(dev, body);
single_user = opal_check_sum(dev, cpos);
break;
case FEATURECODE_GEOMETRY:
opal_check_geometry(dev, body);
opal_check_geometry(dev, cpos);
break;
case FEATURECODE_LOCKING:
opal_check_lock(dev, body);
opal_check_lock(dev, cpos);
break;
case FEATURECODE_DATASTORE:
opal_check_datastore(dev, body);
opal_check_datastore(dev, cpos);
break;
case FEATURECODE_OPALV100:
comid = opal_get_comid_v100(dev, body);
found_com_id = true;
comid = opal_get_comid_v100(dev, cpos);
supported = true;
break;
case FEATURECODE_OPALV200:
comid = opal_get_comid_v200(dev, body);
found_com_id = true;
comid = opal_get_comid_v200(dev, cpos);
supported = true;
break;
default:
SPDK_INFOLOG(SPDK_LOG_OPAL, "Unknow feature code: %d\n", feature_code);
SPDK_INFOLOG(SPDK_LOG_OPAL, "Unknow feature code: %d\n", feat_code);
}
cpos += body->tper.length + 4;
cpos += feat_hdr->length + sizeof(*feat_hdr);
}
if (supported == false) {
@ -927,11 +925,6 @@ opal_discovery0_end(struct spdk_opal_dev *dev)
SPDK_INFOLOG(SPDK_LOG_OPAL, "Single User Mode Not Supported\n");
}
if (found_com_id == false) {
SPDK_ERRLOG("Could not find OPAL comid for device. Returning early\n");
return -EINVAL;
}
dev->comid = comid;
return 0;
}
@ -2121,7 +2114,7 @@ int
spdk_opal_revert_poll(struct spdk_opal_dev *dev)
{
void *response = dev->resp;
struct spdk_opal_header *header = response;
struct spdk_opal_compacket *header = response;
int ret;
assert(dev->revert_cb_fn);
@ -2134,8 +2127,8 @@ spdk_opal_revert_poll(struct spdk_opal_dev *dev)
return 0;
}
if (header->com_packet.outstanding_data == 0 &&
header->com_packet.min_transfer == 0) {
if (header->outstanding_data == 0 &&
header->min_transfer == 0) {
ret = opal_parse_and_check_status(dev, NULL);
dev->revert_cb_fn(dev, dev->ctx, ret);
return 0;

10
lib/nvme/nvme_opal_internal.h
View File

@ -118,16 +118,6 @@ enum opal_method_enum {
RANDOM_METHOD,
};
union spdk_discovery0_features {
struct spdk_d0_tper_features tper;
struct spdk_d0_locking_features locking;
struct spdk_d0_geo_features geometry;
struct spdk_d0_datastore_features datastore;
struct spdk_d0_sum sumode;
struct spdk_d0_opal_v200 opalv200;
struct spdk_d0_opal_v100 opalv100;
};
struct opal_common_session {
uint32_t sum; /* single user mode */
uint32_t who;