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Spdk/lib/nvme/nvme_opal_internal.h
Changpeng Liu 30e42bcecf nvme/opal: remove the device mutex lock finally 
We can remove the device lock from now because all the APIs are executed
base on session, the controller can return error if there are multiple
sessions, actually most drives can only support one active session.

Change-Id: I9d5f4dc01a50ec95ef97b38c9e079ef95f37e4de
Signed-off-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/1741
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
2020-04-15 07:39:10 +00:00

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/*-
* BSD LICENSE
*
* Copyright (c) Intel Corporation.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef SPDK_OPAL_INTERNAL_H
#define SPDK_OPAL_INTERNAL_H
#include "spdk/opal_spec.h"
#include "spdk/opal.h"
#include "spdk/scsi_spec.h"
#define IO_BUFFER_LENGTH 2048
#define MAX_TOKS 64
#define OPAL_KEY_MAX 256
#define OPAL_UID_LENGTH 8
#define GENERIC_HOST_SESSION_NUM 0x69
#define OPAL_INVAL_PARAM 12
#define SPDK_DTAERROR_NO_METHOD_STATUS 0x89
enum opal_token_type {
OPAL_DTA_TOKENID_BYTESTRING = 0xE0,
OPAL_DTA_TOKENID_SINT = 0xE1,
OPAL_DTA_TOKENID_UINT = 0xE2,
OPAL_DTA_TOKENID_TOKEN = 0xE3, /* actual token is returned */
OPAL_DTA_TOKENID_INVALID = 0X0,
};
enum opal_atom_width {
OPAL_WIDTH_TINY, /* 1 byte in length */
OPAL_WIDTH_SHORT, /* a 1-byte header and contain up to 15 bytes of data */
OPAL_WIDTH_MEDIUM, /* a 2-byte header and contain up to 2047 bytes of data */
OPAL_WIDTH_LONG, /* a 4-byte header and which contain up to 16,777,215 bytes of data */
OPAL_WIDTH_TOKEN
};
enum opal_uid_enum {
/* users */
UID_SMUID,
UID_THISSP,
UID_ADMINSP,
UID_LOCKINGSP,
UID_ANYBODY,
UID_SID,
UID_ADMIN1,
UID_USER1,
UID_USER2,
/* tables */
UID_LOCKINGRANGE_GLOBAL,
UID_LOCKINGRANGE_ACE_RDLOCKED,
UID_LOCKINGRANGE_ACE_WRLOCKED,
UID_MBRCONTROL,
UID_MBR,
UID_AUTHORITY_TABLE,
UID_C_PIN_TABLE,
UID_LOCKING_INFO_TABLE,
UID_PSID,
/* C_PIN_TABLE object ID's */
UID_C_PIN_MSID,
UID_C_PIN_SID,
UID_C_PIN_ADMIN1,
UID_C_PIN_USER1,
/* half UID's (only first 4 bytes used) */
UID_HALF_AUTHORITY_OBJ_REF,
UID_HALF_BOOLEAN_ACE,
};
/* enum for indexing the spdk_opal_method array */
enum opal_method_enum {
PROPERTIES_METHOD,
STARTSESSION_METHOD,
REVERT_METHOD,
ACTIVATE_METHOD,
NEXT_METHOD,
GETACL_METHOD,
GENKEY_METHOD,
REVERTSP_METHOD,
GET_METHOD,
SET_METHOD,
AUTHENTICATE_METHOD,
RANDOM_METHOD,
ERASE_METHOD,
};
struct spdk_opal_key {
uint8_t key_len;
uint8_t key[OPAL_KEY_MAX];
};
const uint8_t spdk_opal_uid[][OPAL_UID_LENGTH] = {
/* users */
[UID_SMUID] = /* Session Manager UID */
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff },
[UID_THISSP] =
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 },
[UID_ADMINSP] =
{ 0x00, 0x00, 0x02, 0x05, 0x00, 0x00, 0x00, 0x01 },
[UID_LOCKINGSP] =
{ 0x00, 0x00, 0x02, 0x05, 0x00, 0x00, 0x00, 0x02 },
[UID_ANYBODY] =
{ 0x00, 0x00, 0x00, 0x09, 0x00, 0x00, 0x00, 0x01 },
[UID_SID] = /* Security Identifier UID */
{ 0x00, 0x00, 0x00, 0x09, 0x00, 0x00, 0x00, 0x06 },
[UID_ADMIN1] =
{ 0x00, 0x00, 0x00, 0x09, 0x00, 0x01, 0x00, 0x01 },
[UID_USER1] =
{ 0x00, 0x00, 0x00, 0x09, 0x00, 0x03, 0x00, 0x01 },
[UID_USER2] =
{ 0x00, 0x00, 0x00, 0x09, 0x00, 0x03, 0x00, 0x02 },
/* tables */
[UID_LOCKINGRANGE_GLOBAL] =
{ 0x00, 0x00, 0x08, 0x02, 0x00, 0x00, 0x00, 0x01 },
[UID_LOCKINGRANGE_ACE_RDLOCKED] =
{ 0x00, 0x00, 0x00, 0x08, 0x00, 0x03, 0xE0, 0x01 },
[UID_LOCKINGRANGE_ACE_WRLOCKED] =
{ 0x00, 0x00, 0x00, 0x08, 0x00, 0x03, 0xE8, 0x01 },
[UID_MBRCONTROL] =
{ 0x00, 0x00, 0x08, 0x03, 0x00, 0x00, 0x00, 0x01 },
[UID_MBR] =
{ 0x00, 0x00, 0x08, 0x04, 0x00, 0x00, 0x00, 0x00 },
[UID_AUTHORITY_TABLE] =
{ 0x00, 0x00, 0x00, 0x09, 0x00, 0x00, 0x00, 0x00},
[UID_C_PIN_TABLE] =
{ 0x00, 0x00, 0x00, 0x0B, 0x00, 0x00, 0x00, 0x00},
[UID_LOCKING_INFO_TABLE] =
{ 0x00, 0x00, 0x08, 0x01, 0x00, 0x00, 0x00, 0x01 },
[UID_PSID] =
{ 0x00, 0x00, 0x00, 0x09, 0x00, 0x01, 0xff, 0x01 },
/* C_PIN_TABLE object ID's */
[UID_C_PIN_MSID] =
{ 0x00, 0x00, 0x00, 0x0B, 0x00, 0x00, 0x84, 0x02},
[UID_C_PIN_SID] =
{ 0x00, 0x00, 0x00, 0x0B, 0x00, 0x00, 0x00, 0x01},
[UID_C_PIN_ADMIN1] =
{ 0x00, 0x00, 0x00, 0x0B, 0x00, 0x01, 0x00, 0x01},
[UID_C_PIN_USER1] =
{ 0x00, 0x00, 0x00, 0x0B, 0x00, 0x03, 0x00, 0x01},
/* half UID's (only first 4 bytes used) */
[UID_HALF_AUTHORITY_OBJ_REF] =
{ 0x00, 0x00, 0x0C, 0x05, 0xff, 0xff, 0xff, 0xff },
[UID_HALF_BOOLEAN_ACE] =
{ 0x00, 0x00, 0x04, 0x0E, 0xff, 0xff, 0xff, 0xff },
};
/*
* TCG Storage SSC Methods.
*/
const uint8_t spdk_opal_method[][OPAL_UID_LENGTH] = {
[PROPERTIES_METHOD] =
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0x01 },
[STARTSESSION_METHOD] =
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0x02 },
[REVERT_METHOD] =
{ 0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x02, 0x02 },
[ACTIVATE_METHOD] =
{ 0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x02, 0x03 },
[NEXT_METHOD] =
{ 0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x00, 0x08 },
[GETACL_METHOD] =
{ 0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x00, 0x0d },
[GENKEY_METHOD] =
{ 0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x00, 0x10 },
[REVERTSP_METHOD] =
{ 0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x00, 0x11 },
[GET_METHOD] =
{ 0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x00, 0x16 },
[SET_METHOD] =
{ 0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x00, 0x17 },
[AUTHENTICATE_METHOD] =
{ 0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x00, 0x1c },
[RANDOM_METHOD] =
{ 0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x06, 0x01 },
[ERASE_METHOD] =
{ 0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x08, 0x03 },
};
/*
* Response token
*/
struct spdk_opal_resp_token {
const uint8_t *pos;
uint8_t _padding[7];
union {
uint64_t unsigned_num;
int64_t signed_num;
} stored;
size_t len; /* header + data */
enum opal_token_type type;
enum opal_atom_width width;
};
struct spdk_opal_resp_parsed {
int num;
struct spdk_opal_resp_token resp_tokens[MAX_TOKS];
};
/* header of a response */
struct spdk_opal_header {
struct spdk_opal_compacket com_packet;
struct spdk_opal_packet packet;
struct spdk_opal_data_subpacket sub_packet;
};
struct opal_session;
struct spdk_opal_dev;
typedef void (*opal_sess_cb)(struct opal_session *sess, int status, void *ctx);
struct opal_session {
uint32_t hsn;
uint32_t tsn;
size_t cmd_pos;
uint8_t cmd[IO_BUFFER_LENGTH];
uint8_t resp[IO_BUFFER_LENGTH];
struct spdk_opal_resp_parsed parsed_resp;
opal_sess_cb sess_cb;
void *cb_arg;
bool done;
int status;
struct spdk_opal_dev *dev;
};
struct spdk_opal_dev {
bool supported;
struct spdk_nvme_ctrlr *ctrlr;
uint16_t comid;
struct spdk_opal_d0_features_info feat_info;
uint8_t max_ranges; /* max locking range number */
struct spdk_opal_locking_range_info locking_ranges[SPDK_OPAL_MAX_LOCKING_RANGE];
};
#endif
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