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block/sed-opal.c
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/* * Copyright © 2016 Intel Corporation * * Authors: * Scott Bauer <scott.bauer@intel.com> * Rafael Antognolli <rafael.antognolli@intel.com> * * This program is free software; you can redistribute it and/or modify it * under the terms and conditions of the GNU General Public License, * version 2, as published by the Free Software Foundation. * * This program is distributed in the hope it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for * more details. */ #define pr_fmt(fmt) KBUILD_MODNAME ":OPAL: " fmt #include <linux/delay.h> #include <linux/device.h> #include <linux/kernel.h> #include <linux/list.h> #include <linux/genhd.h> #include <linux/slab.h> #include <linux/uaccess.h> #include <uapi/linux/sed-opal.h> #include <linux/sed-opal.h> #include <linux/string.h> #include <linux/kdev_t.h> #include "opal_proto.h" |
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#define IO_BUFFER_LENGTH 2048 #define MAX_TOKS 64 |
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struct opal_step { int (*fn)(struct opal_dev *dev, void *data); void *data; }; typedef int (cont_fn)(struct opal_dev *dev); |
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enum opal_atom_width { OPAL_WIDTH_TINY, OPAL_WIDTH_SHORT, OPAL_WIDTH_MEDIUM, OPAL_WIDTH_LONG, OPAL_WIDTH_TOKEN }; /* * On the parsed response, we don't store again the toks that are already * stored in the response buffer. Instead, for each token, we just store a * pointer to the position in the buffer where the token starts, and the size * of the token in bytes. */ struct opal_resp_tok { const u8 *pos; size_t len; enum opal_response_token type; enum opal_atom_width width; union { u64 u; s64 s; } stored; }; /* * From the response header it's not possible to know how many tokens there are * on the payload. So we hardcode that the maximum will be MAX_TOKS, and later * if we start dealing with messages that have more than that, we can increase * this number. This is done to avoid having to make two passes through the * response, the first one counting how many tokens we have and the second one * actually storing the positions. */ struct parsed_resp { int num; struct opal_resp_tok toks[MAX_TOKS]; }; struct opal_dev { bool supported; |
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bool mbr_enabled; |
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void *data; sec_send_recv *send_recv; |
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const struct opal_step *steps; |
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struct mutex dev_lock; u16 comid; u32 hsn; u32 tsn; u64 align; u64 lowest_lba; size_t pos; u8 cmd[IO_BUFFER_LENGTH]; u8 resp[IO_BUFFER_LENGTH]; struct parsed_resp parsed; size_t prev_d_len; void *prev_data; struct list_head unlk_lst; }; |
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static const u8 opaluid[][OPAL_UID_LENGTH] = { /* users */ [OPAL_SMUID_UID] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff }, [OPAL_THISSP_UID] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 }, [OPAL_ADMINSP_UID] = { 0x00, 0x00, 0x02, 0x05, 0x00, 0x00, 0x00, 0x01 }, [OPAL_LOCKINGSP_UID] = { 0x00, 0x00, 0x02, 0x05, 0x00, 0x00, 0x00, 0x02 }, [OPAL_ENTERPRISE_LOCKINGSP_UID] = { 0x00, 0x00, 0x02, 0x05, 0x00, 0x01, 0x00, 0x01 }, [OPAL_ANYBODY_UID] = { 0x00, 0x00, 0x00, 0x09, 0x00, 0x00, 0x00, 0x01 }, [OPAL_SID_UID] = { 0x00, 0x00, 0x00, 0x09, 0x00, 0x00, 0x00, 0x06 }, [OPAL_ADMIN1_UID] = { 0x00, 0x00, 0x00, 0x09, 0x00, 0x01, 0x00, 0x01 }, [OPAL_USER1_UID] = { 0x00, 0x00, 0x00, 0x09, 0x00, 0x03, 0x00, 0x01 }, [OPAL_USER2_UID] = { 0x00, 0x00, 0x00, 0x09, 0x00, 0x03, 0x00, 0x02 }, [OPAL_PSID_UID] = { 0x00, 0x00, 0x00, 0x09, 0x00, 0x01, 0xff, 0x01 }, [OPAL_ENTERPRISE_BANDMASTER0_UID] = { 0x00, 0x00, 0x00, 0x09, 0x00, 0x00, 0x80, 0x01 }, [OPAL_ENTERPRISE_ERASEMASTER_UID] = { 0x00, 0x00, 0x00, 0x09, 0x00, 0x00, 0x84, 0x01 }, /* tables */ [OPAL_LOCKINGRANGE_GLOBAL] = { 0x00, 0x00, 0x08, 0x02, 0x00, 0x00, 0x00, 0x01 }, [OPAL_LOCKINGRANGE_ACE_RDLOCKED] = { 0x00, 0x00, 0x00, 0x08, 0x00, 0x03, 0xE0, 0x01 }, [OPAL_LOCKINGRANGE_ACE_WRLOCKED] = { 0x00, 0x00, 0x00, 0x08, 0x00, 0x03, 0xE8, 0x01 }, [OPAL_MBRCONTROL] = { 0x00, 0x00, 0x08, 0x03, 0x00, 0x00, 0x00, 0x01 }, [OPAL_MBR] = { 0x00, 0x00, 0x08, 0x04, 0x00, 0x00, 0x00, 0x00 }, [OPAL_AUTHORITY_TABLE] = { 0x00, 0x00, 0x00, 0x09, 0x00, 0x00, 0x00, 0x00}, [OPAL_C_PIN_TABLE] = { 0x00, 0x00, 0x00, 0x0B, 0x00, 0x00, 0x00, 0x00}, [OPAL_LOCKING_INFO_TABLE] = { 0x00, 0x00, 0x08, 0x01, 0x00, 0x00, 0x00, 0x01 }, [OPAL_ENTERPRISE_LOCKING_INFO_TABLE] = { 0x00, 0x00, 0x08, 0x01, 0x00, 0x00, 0x00, 0x00 }, /* C_PIN_TABLE object ID's */ [OPAL_C_PIN_MSID] = { 0x00, 0x00, 0x00, 0x0B, 0x00, 0x00, 0x84, 0x02}, [OPAL_C_PIN_SID] = { 0x00, 0x00, 0x00, 0x0B, 0x00, 0x00, 0x00, 0x01}, [OPAL_C_PIN_ADMIN1] = { 0x00, 0x00, 0x00, 0x0B, 0x00, 0x01, 0x00, 0x01}, /* half UID's (only first 4 bytes used) */ [OPAL_HALF_UID_AUTHORITY_OBJ_REF] = { 0x00, 0x00, 0x0C, 0x05, 0xff, 0xff, 0xff, 0xff }, [OPAL_HALF_UID_BOOLEAN_ACE] = { 0x00, 0x00, 0x04, 0x0E, 0xff, 0xff, 0xff, 0xff }, /* special value for omitted optional parameter */ [OPAL_UID_HEXFF] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}, }; /* * TCG Storage SSC Methods. * Derived from: TCG_Storage_Architecture_Core_Spec_v2.01_r1.00 * Section: 6.3 Assigned UIDs */ static const u8 opalmethod[][OPAL_UID_LENGTH] = { [OPAL_PROPERTIES] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0x01 }, [OPAL_STARTSESSION] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0x02 }, [OPAL_REVERT] = { 0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x02, 0x02 }, [OPAL_ACTIVATE] = { 0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x02, 0x03 }, [OPAL_EGET] = { 0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x00, 0x06 }, [OPAL_ESET] = { 0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x00, 0x07 }, [OPAL_NEXT] = { 0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x00, 0x08 }, [OPAL_EAUTHENTICATE] = { 0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x00, 0x0c }, [OPAL_GETACL] = { 0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x00, 0x0d }, [OPAL_GENKEY] = { 0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x00, 0x10 }, [OPAL_REVERTSP] = { 0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x00, 0x11 }, [OPAL_GET] = { 0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x00, 0x16 }, [OPAL_SET] = { 0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x00, 0x17 }, [OPAL_AUTHENTICATE] = { 0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x00, 0x1c }, [OPAL_RANDOM] = { 0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x06, 0x01 }, [OPAL_ERASE] = { 0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x08, 0x03 }, }; |
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static int end_opal_session_error(struct opal_dev *dev); struct opal_suspend_data { struct opal_lock_unlock unlk; u8 lr; struct list_head node; }; /* * Derived from: * TCG_Storage_Architecture_Core_Spec_v2.01_r1.00 * Section: 5.1.5 Method Status Codes */ static const char * const opal_errors[] = { "Success", "Not Authorized", "Unknown Error", "SP Busy", "SP Failed", "SP Disabled", "SP Frozen", "No Sessions Available", "Uniqueness Conflict", "Insufficient Space", "Insufficient Rows", "Invalid Function", "Invalid Parameter", "Invalid Reference", "Unknown Error", "TPER Malfunction", "Transaction Failure", "Response Overflow", "Authority Locked Out", }; static const char *opal_error_to_human(int error) { if (error == 0x3f) return "Failed"; if (error >= ARRAY_SIZE(opal_errors) || error < 0) return "Unknown Error"; return opal_errors[error]; } static void print_buffer(const u8 *ptr, u32 length) { #ifdef DEBUG print_hex_dump_bytes("OPAL: ", DUMP_PREFIX_OFFSET, ptr, length); pr_debug(" "); #endif } static bool check_tper(const void *data) { const struct d0_tper_features *tper = data; u8 flags = tper->supported_features; if (!(flags & TPER_SYNC_SUPPORTED)) { |
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pr_debug("TPer sync not supported. flags = %d ", tper->supported_features); |
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return false; } return true; } |
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static bool check_mbrenabled(const void *data) { const struct d0_locking_features *lfeat = data; u8 sup_feat = lfeat->supported_features; return !!(sup_feat & MBR_ENABLED_MASK); } |
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static bool check_sum(const void *data) { const struct d0_single_user_mode *sum = data; u32 nlo = be32_to_cpu(sum->num_locking_objects); if (nlo == 0) { |
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pr_debug("Need at least one locking object. "); |
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return false; } pr_debug("Number of locking objects: %d ", nlo); return true; } static u16 get_comid_v100(const void *data) { const struct d0_opal_v100 *v100 = data; return be16_to_cpu(v100->baseComID); } static u16 get_comid_v200(const void *data) { const struct d0_opal_v200 *v200 = data; return be16_to_cpu(v200->baseComID); } static int opal_send_cmd(struct opal_dev *dev) { |
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return dev->send_recv(dev->data, dev->comid, TCG_SECP_01, |
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dev->cmd, IO_BUFFER_LENGTH, true); } static int opal_recv_cmd(struct opal_dev *dev) { |
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return dev->send_recv(dev->data, dev->comid, TCG_SECP_01, |
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dev->resp, IO_BUFFER_LENGTH, false); } static int opal_recv_check(struct opal_dev *dev) { size_t buflen = IO_BUFFER_LENGTH; void *buffer = dev->resp; struct opal_header *hdr = buffer; int ret; do { pr_debug("Sent OPAL command: outstanding=%d, minTransfer=%d ", hdr->cp.outstandingData, hdr->cp.minTransfer); if (hdr->cp.outstandingData == 0 || hdr->cp.minTransfer != 0) return 0; memset(buffer, 0, buflen); ret = opal_recv_cmd(dev); } while (!ret); return ret; } static int opal_send_recv(struct opal_dev *dev, cont_fn *cont) { int ret; ret = opal_send_cmd(dev); if (ret) return ret; ret = opal_recv_cmd(dev); if (ret) return ret; ret = opal_recv_check(dev); if (ret) return ret; return cont(dev); } static void check_geometry(struct opal_dev *dev, const void *data) { const struct d0_geometry_features *geo = data; dev->align = geo->alignment_granularity; dev->lowest_lba = geo->lowest_aligned_lba; } static int next(struct opal_dev *dev) { |
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const struct opal_step *step; int state = 0, error = 0; |
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do { |
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step = &dev->steps[state]; if (!step->fn) |
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break; |
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error = step->fn(dev, step->data); |
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if (error) { |
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pr_debug("Error on step function: %d with error %d: %s ", state, error, opal_error_to_human(error)); |
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/* For each OPAL command we do a discovery0 then we * start some sort of session. * If we haven't passed state 1 then there was an error * on discovery0 or during the attempt to start a * session. Therefore we shouldn't attempt to terminate * a session, as one has not yet been created. */ |
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if (state > 1) { end_opal_session_error(dev); return error; } |
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} |
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state++; |
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} while (!error); return error; } static int opal_discovery0_end(struct opal_dev *dev) { bool found_com_id = false, supported = true, single_user = false; const struct d0_header *hdr = (struct d0_header *)dev->resp; const u8 *epos = dev->resp, *cpos = dev->resp; u16 comid = 0; |
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u32 hlen = be32_to_cpu(hdr->length); |
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print_buffer(dev->resp, hlen); |
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dev->mbr_enabled = false; |
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if (hlen > IO_BUFFER_LENGTH - sizeof(*hdr)) { |
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pr_debug("Discovery length overflows buffer (%zu+%u)/%u ", sizeof(*hdr), hlen, IO_BUFFER_LENGTH); |
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return -EFAULT; } epos += hlen; /* end of buffer */ |
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cpos += sizeof(*hdr); /* current position on buffer */ while (cpos < epos && supported) { const struct d0_features *body = (const struct d0_features *)cpos; switch (be16_to_cpu(body->code)) { case FC_TPER: supported = check_tper(body->features); break; case FC_SINGLEUSER: single_user = check_sum(body->features); break; case FC_GEOMETRY: check_geometry(dev, body); break; case FC_LOCKING: |
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dev->mbr_enabled = check_mbrenabled(body->features); break; |
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case FC_ENTERPRISE: case FC_DATASTORE: /* some ignored properties */ pr_debug("Found OPAL feature description: %d ", be16_to_cpu(body->code)); break; case FC_OPALV100: comid = get_comid_v100(body->features); found_com_id = true; break; case FC_OPALV200: comid = get_comid_v200(body->features); found_com_id = true; break; case 0xbfff ... 0xffff: /* vendor specific, just ignore */ break; default: pr_debug("OPAL Unknown feature: %d ", be16_to_cpu(body->code)); } cpos += body->length + 4; } if (!supported) { |
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pr_debug("This device is not Opal enabled. Not Supported! "); |
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return -EOPNOTSUPP; } if (!single_user) |
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pr_debug("Device doesn't support single user mode "); |
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if (!found_com_id) { |
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pr_debug("Could not find OPAL comid for device. Returning early "); |
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return -EOPNOTSUPP;; } dev->comid = comid; return 0; } |
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static int opal_discovery0(struct opal_dev *dev, void *data) |
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{ int ret; memset(dev->resp, 0, IO_BUFFER_LENGTH); dev->comid = OPAL_DISCOVERY_COMID; ret = opal_recv_cmd(dev); if (ret) return ret; return opal_discovery0_end(dev); } static void add_token_u8(int *err, struct opal_dev *cmd, u8 tok) { if (*err) return; if (cmd->pos >= IO_BUFFER_LENGTH - 1) { |
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pr_debug("Error adding u8: end of buffer. "); |
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*err = -ERANGE; return; } cmd->cmd[cmd->pos++] = tok; } static void add_short_atom_header(struct opal_dev *cmd, bool bytestring, bool has_sign, int len) { u8 atom; int err = 0; atom = SHORT_ATOM_ID; atom |= bytestring ? SHORT_ATOM_BYTESTRING : 0; atom |= has_sign ? SHORT_ATOM_SIGNED : 0; atom |= len & SHORT_ATOM_LEN_MASK; add_token_u8(&err, cmd, atom); } static void add_medium_atom_header(struct opal_dev *cmd, bool bytestring, bool has_sign, int len) { u8 header0; header0 = MEDIUM_ATOM_ID; header0 |= bytestring ? MEDIUM_ATOM_BYTESTRING : 0; header0 |= has_sign ? MEDIUM_ATOM_SIGNED : 0; header0 |= (len >> 8) & MEDIUM_ATOM_LEN_MASK; cmd->cmd[cmd->pos++] = header0; cmd->cmd[cmd->pos++] = len; } static void add_token_u64(int *err, struct opal_dev *cmd, u64 number) { size_t len; int msb; u8 n; if (!(number & ~TINY_ATOM_DATA_MASK)) { add_token_u8(err, cmd, number); return; } msb = fls(number); len = DIV_ROUND_UP(msb, 4); if (cmd->pos >= IO_BUFFER_LENGTH - len - 1) { |
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pr_debug("Error adding u64: end of buffer. "); |
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*err = -ERANGE; return; } add_short_atom_header(cmd, false, false, len); while (len--) { n = number >> (len * 8); add_token_u8(err, cmd, n); } } static void add_token_bytestring(int *err, struct opal_dev *cmd, const u8 *bytestring, size_t len) { size_t header_len = 1; bool is_short_atom = true; if (*err) return; if (len & ~SHORT_ATOM_LEN_MASK) { header_len = 2; is_short_atom = false; } if (len >= IO_BUFFER_LENGTH - cmd->pos - header_len) { |
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pr_debug("Error adding bytestring: end of buffer. "); |
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*err = -ERANGE; return; } if (is_short_atom) add_short_atom_header(cmd, true, false, len); else add_medium_atom_header(cmd, true, false, len); memcpy(&cmd->cmd[cmd->pos], bytestring, len); cmd->pos += len; } static int build_locking_range(u8 *buffer, size_t length, u8 lr) { if (length > OPAL_UID_LENGTH) { |
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pr_debug("Can't build locking range. Length OOB "); |
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return -ERANGE; } memcpy(buffer, opaluid[OPAL_LOCKINGRANGE_GLOBAL], OPAL_UID_LENGTH); if (lr == 0) return 0; buffer[5] = LOCKING_RANGE_NON_GLOBAL; buffer[7] = lr; return 0; } static int build_locking_user(u8 *buffer, size_t length, u8 lr) { if (length > OPAL_UID_LENGTH) { |
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pr_debug("Can't build locking range user, Length OOB "); |
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return -ERANGE; } memcpy(buffer, opaluid[OPAL_USER1_UID], OPAL_UID_LENGTH); buffer[7] = lr + 1; return 0; } static void set_comid(struct opal_dev *cmd, u16 comid) { struct opal_header *hdr = (struct opal_header *)cmd->cmd; hdr->cp.extendedComID[0] = comid >> 8; hdr->cp.extendedComID[1] = comid; hdr->cp.extendedComID[2] = 0; hdr->cp.extendedComID[3] = 0; } static int cmd_finalize(struct opal_dev *cmd, u32 hsn, u32 tsn) { struct opal_header *hdr; int err = 0; add_token_u8(&err, cmd, OPAL_ENDOFDATA); add_token_u8(&err, cmd, OPAL_STARTLIST); add_token_u8(&err, cmd, 0); add_token_u8(&err, cmd, 0); add_token_u8(&err, cmd, 0); add_token_u8(&err, cmd, OPAL_ENDLIST); if (err) { |
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pr_debug("Error finalizing command. "); |
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return -EFAULT; } hdr = (struct opal_header *) cmd->cmd; hdr->pkt.tsn = cpu_to_be32(tsn); hdr->pkt.hsn = cpu_to_be32(hsn); hdr->subpkt.length = cpu_to_be32(cmd->pos - sizeof(*hdr)); while (cmd->pos % 4) { if (cmd->pos >= IO_BUFFER_LENGTH) { |
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pr_debug("Error: Buffer overrun "); |
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return -ERANGE; } cmd->cmd[cmd->pos++] = 0; } hdr->pkt.length = cpu_to_be32(cmd->pos - sizeof(hdr->cp) - sizeof(hdr->pkt)); hdr->cp.length = cpu_to_be32(cmd->pos - sizeof(hdr->cp)); return 0; } |
cccb92417 block/sed: Add he... |
694 695 696 |
static const struct opal_resp_tok *response_get_token( const struct parsed_resp *resp, int n) |
455a7b238 block: Add Sed-op... |
697 698 699 700 |
{ const struct opal_resp_tok *tok; if (n >= resp->num) { |
591c59d18 block: sed-opal: ... |
701 702 703 |
pr_debug("Token number doesn't exist: %d, resp: %d ", n, resp->num); |
cccb92417 block/sed: Add he... |
704 |
return ERR_PTR(-EINVAL); |
455a7b238 block: Add Sed-op... |
705 706 707 708 |
} tok = &resp->toks[n]; if (tok->len == 0) { |
591c59d18 block: sed-opal: ... |
709 710 |
pr_debug("Token length must be non-zero "); |
cccb92417 block/sed: Add he... |
711 |
return ERR_PTR(-EINVAL); |
455a7b238 block: Add Sed-op... |
712 |
} |
cccb92417 block/sed: Add he... |
713 |
return tok; |
455a7b238 block: Add Sed-op... |
714 |
} |
aedb6e241 block/sed: Use ss... |
715 716 |
static ssize_t response_parse_tiny(struct opal_resp_tok *tok, const u8 *pos) |
455a7b238 block: Add Sed-op... |
717 718 719 720 721 722 723 724 725 726 727 728 729 730 |
{ tok->pos = pos; tok->len = 1; tok->width = OPAL_WIDTH_TINY; if (pos[0] & TINY_ATOM_SIGNED) { tok->type = OPAL_DTA_TOKENID_SINT; } else { tok->type = OPAL_DTA_TOKENID_UINT; tok->stored.u = pos[0] & 0x3f; } return tok->len; } |
aedb6e241 block/sed: Use ss... |
731 732 |
static ssize_t response_parse_short(struct opal_resp_tok *tok, const u8 *pos) |
455a7b238 block: Add Sed-op... |
733 734 735 736 737 738 739 740 741 742 743 |
{ tok->pos = pos; tok->len = (pos[0] & SHORT_ATOM_LEN_MASK) + 1; tok->width = OPAL_WIDTH_SHORT; if (pos[0] & SHORT_ATOM_BYTESTRING) { tok->type = OPAL_DTA_TOKENID_BYTESTRING; } else if (pos[0] & SHORT_ATOM_SIGNED) { tok->type = OPAL_DTA_TOKENID_SINT; } else { u64 u_integer = 0; |
aedb6e241 block/sed: Use ss... |
744 |
ssize_t i, b = 0; |
455a7b238 block: Add Sed-op... |
745 746 747 |
tok->type = OPAL_DTA_TOKENID_UINT; if (tok->len > 9) { |
591c59d18 block: sed-opal: ... |
748 749 |
pr_debug("uint64 with more than 8 bytes "); |
455a7b238 block: Add Sed-op... |
750 751 752 753 754 755 756 757 758 759 760 |
return -EINVAL; } for (i = tok->len - 1; i > 0; i--) { u_integer |= ((u64)pos[i] << (8 * b)); b++; } tok->stored.u = u_integer; } return tok->len; } |
aedb6e241 block/sed: Use ss... |
761 762 |
static ssize_t response_parse_medium(struct opal_resp_tok *tok, const u8 *pos) |
455a7b238 block: Add Sed-op... |
763 764 765 766 767 768 769 770 771 772 773 774 775 776 |
{ tok->pos = pos; tok->len = (((pos[0] & MEDIUM_ATOM_LEN_MASK) << 8) | pos[1]) + 2; tok->width = OPAL_WIDTH_MEDIUM; if (pos[0] & MEDIUM_ATOM_BYTESTRING) tok->type = OPAL_DTA_TOKENID_BYTESTRING; else if (pos[0] & MEDIUM_ATOM_SIGNED) tok->type = OPAL_DTA_TOKENID_SINT; else tok->type = OPAL_DTA_TOKENID_UINT; return tok->len; } |
aedb6e241 block/sed: Use ss... |
777 778 |
static ssize_t response_parse_long(struct opal_resp_tok *tok, const u8 *pos) |
455a7b238 block: Add Sed-op... |
779 780 781 782 783 784 785 786 787 788 789 790 791 792 |
{ tok->pos = pos; tok->len = ((pos[1] << 16) | (pos[2] << 8) | pos[3]) + 4; tok->width = OPAL_WIDTH_LONG; if (pos[0] & LONG_ATOM_BYTESTRING) tok->type = OPAL_DTA_TOKENID_BYTESTRING; else if (pos[0] & LONG_ATOM_SIGNED) tok->type = OPAL_DTA_TOKENID_SINT; else tok->type = OPAL_DTA_TOKENID_UINT; return tok->len; } |
aedb6e241 block/sed: Use ss... |
793 794 |
static ssize_t response_parse_token(struct opal_resp_tok *tok, const u8 *pos) |
455a7b238 block: Add Sed-op... |
795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 |
{ tok->pos = pos; tok->len = 1; tok->type = OPAL_DTA_TOKENID_TOKEN; tok->width = OPAL_WIDTH_TOKEN; return tok->len; } static int response_parse(const u8 *buf, size_t length, struct parsed_resp *resp) { const struct opal_header *hdr; struct opal_resp_tok *iter; int num_entries = 0; int total; |
aedb6e241 block/sed: Use ss... |
811 |
ssize_t token_length; |
455a7b238 block: Add Sed-op... |
812 |
const u8 *pos; |
77039b963 block/sed: Check ... |
813 |
u32 clen, plen, slen; |
455a7b238 block: Add Sed-op... |
814 815 816 817 818 819 820 821 822 823 |
if (!buf) return -EFAULT; if (!resp) return -EFAULT; hdr = (struct opal_header *)buf; pos = buf; pos += sizeof(*hdr); |
77039b963 block/sed: Check ... |
824 825 826 827 828 829 830 831 832 |
clen = be32_to_cpu(hdr->cp.length); plen = be32_to_cpu(hdr->pkt.length); slen = be32_to_cpu(hdr->subpkt.length); pr_debug("Response size: cp: %u, pkt: %u, subpkt: %u ", clen, plen, slen); if (clen == 0 || plen == 0 || slen == 0 || slen > IO_BUFFER_LENGTH - sizeof(*hdr)) { |
591c59d18 block: sed-opal: ... |
833 834 835 |
pr_debug("Bad header length. cp: %u, pkt: %u, subpkt: %u ", clen, plen, slen); |
455a7b238 block: Add Sed-op... |
836 837 838 839 840 841 842 843 |
print_buffer(pos, sizeof(*hdr)); return -EINVAL; } if (pos > buf + length) return -EFAULT; iter = resp->toks; |
77039b963 block/sed: Check ... |
844 |
total = slen; |
455a7b238 block: Add Sed-op... |
845 846 847 848 849 850 851 852 853 854 855 856 |
print_buffer(pos, total); while (total > 0) { if (pos[0] <= TINY_ATOM_BYTE) /* tiny atom */ token_length = response_parse_tiny(iter, pos); else if (pos[0] <= SHORT_ATOM_BYTE) /* short atom */ token_length = response_parse_short(iter, pos); else if (pos[0] <= MEDIUM_ATOM_BYTE) /* medium atom */ token_length = response_parse_medium(iter, pos); else if (pos[0] <= LONG_ATOM_BYTE) /* long atom */ token_length = response_parse_long(iter, pos); else /* TOKEN */ token_length = response_parse_token(iter, pos); |
aedb6e241 block/sed: Use ss... |
857 858 |
if (token_length < 0) return token_length; |
455a7b238 block: Add Sed-op... |
859 860 861 862 863 864 865 866 |
pos += token_length; total -= token_length; iter++; num_entries++; } if (num_entries == 0) { |
591c59d18 block: sed-opal: ... |
867 868 |
pr_debug("Couldn't parse response. "); |
455a7b238 block: Add Sed-op... |
869 870 871 872 873 874 875 876 877 878 879 880 |
return -EINVAL; } resp->num = num_entries; return 0; } static size_t response_get_string(const struct parsed_resp *resp, int n, const char **store) { *store = NULL; if (!resp) { |
591c59d18 block: sed-opal: ... |
881 882 |
pr_debug("Response is NULL "); |
455a7b238 block: Add Sed-op... |
883 884 |
return 0; } |
6d2b87505 block: sed-opal: ... |
885 |
if (n >= resp->num) { |
591c59d18 block: sed-opal: ... |
886 887 888 |
pr_debug("Response has %d tokens. Can't access %d ", resp->num, n); |
455a7b238 block: Add Sed-op... |
889 890 891 892 |
return 0; } if (resp->toks[n].type != OPAL_DTA_TOKENID_BYTESTRING) { |
591c59d18 block: sed-opal: ... |
893 894 |
pr_debug("Token is not a byte string! "); |
455a7b238 block: Add Sed-op... |
895 896 897 898 899 900 901 902 903 904 |
return 0; } *store = resp->toks[n].pos + 1; return resp->toks[n].len - 1; } static u64 response_get_u64(const struct parsed_resp *resp, int n) { if (!resp) { |
591c59d18 block: sed-opal: ... |
905 906 |
pr_debug("Response is NULL "); |
455a7b238 block: Add Sed-op... |
907 908 |
return 0; } |
6d2b87505 block: sed-opal: ... |
909 |
if (n >= resp->num) { |
591c59d18 block: sed-opal: ... |
910 911 912 |
pr_debug("Response has %d tokens. Can't access %d ", resp->num, n); |
455a7b238 block: Add Sed-op... |
913 914 915 916 |
return 0; } if (resp->toks[n].type != OPAL_DTA_TOKENID_UINT) { |
591c59d18 block: sed-opal: ... |
917 918 919 |
pr_debug("Token is not unsigned it: %d ", resp->toks[n].type); |
455a7b238 block: Add Sed-op... |
920 921 922 923 924 |
return 0; } if (!(resp->toks[n].width == OPAL_WIDTH_TINY || resp->toks[n].width == OPAL_WIDTH_SHORT)) { |
591c59d18 block: sed-opal: ... |
925 926 927 |
pr_debug("Atom is not short or tiny: %d ", resp->toks[n].width); |
455a7b238 block: Add Sed-op... |
928 929 930 931 932 |
return 0; } return resp->toks[n].stored.u; } |
cccb92417 block/sed: Add he... |
933 934 935 936 937 938 939 940 |
static bool response_token_matches(const struct opal_resp_tok *token, u8 match) { if (IS_ERR(token) || token->type != OPAL_DTA_TOKENID_TOKEN || token->pos[0] != match) return false; return true; } |
455a7b238 block: Add Sed-op... |
941 942 |
static u8 response_status(const struct parsed_resp *resp) { |
cccb92417 block/sed: Add he... |
943 944 945 946 |
const struct opal_resp_tok *tok; tok = response_get_token(resp, 0); if (response_token_matches(tok, OPAL_ENDOFSESSION)) |
455a7b238 block: Add Sed-op... |
947 |
return 0; |
455a7b238 block: Add Sed-op... |
948 949 950 |
if (resp->num < 5) return DTAERROR_NO_METHOD_STATUS; |
cccb92417 block/sed: Add he... |
951 952 953 954 955 956 |
tok = response_get_token(resp, resp->num - 5); if (!response_token_matches(tok, OPAL_STARTLIST)) return DTAERROR_NO_METHOD_STATUS; tok = response_get_token(resp, resp->num - 1); if (!response_token_matches(tok, OPAL_ENDLIST)) |
455a7b238 block: Add Sed-op... |
957 958 959 960 961 962 963 964 965 966 967 968 969 970 |
return DTAERROR_NO_METHOD_STATUS; return response_get_u64(resp, resp->num - 4); } /* Parses and checks for errors */ static int parse_and_check_status(struct opal_dev *dev) { int error; print_buffer(dev->cmd, dev->pos); error = response_parse(dev->resp, IO_BUFFER_LENGTH, &dev->parsed); if (error) { |
591c59d18 block: sed-opal: ... |
971 972 |
pr_debug("Couldn't parse response. "); |
455a7b238 block: Add Sed-op... |
973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 |
return error; } return response_status(&dev->parsed); } static void clear_opal_cmd(struct opal_dev *dev) { dev->pos = sizeof(struct opal_header); memset(dev->cmd, 0, IO_BUFFER_LENGTH); } static int start_opal_session_cont(struct opal_dev *dev) { u32 hsn, tsn; int error = 0; error = parse_and_check_status(dev); if (error) return error; hsn = response_get_u64(&dev->parsed, 4); tsn = response_get_u64(&dev->parsed, 5); if (hsn == 0 && tsn == 0) { |
591c59d18 block: sed-opal: ... |
998 999 |
pr_debug("Couldn't authenticate session "); |
455a7b238 block: Add Sed-op... |
1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 |
return -EPERM; } dev->hsn = hsn; dev->tsn = tsn; return 0; } static void add_suspend_info(struct opal_dev *dev, struct opal_suspend_data *sus) { struct opal_suspend_data *iter; list_for_each_entry(iter, &dev->unlk_lst, node) { if (iter->lr == sus->lr) { list_del(&iter->node); kfree(iter); break; } } list_add_tail(&sus->node, &dev->unlk_lst); } static int end_session_cont(struct opal_dev *dev) { dev->hsn = 0; dev->tsn = 0; return parse_and_check_status(dev); } static int finalize_and_send(struct opal_dev *dev, cont_fn cont) { int ret; ret = cmd_finalize(dev, dev->hsn, dev->tsn); if (ret) { |
591c59d18 block: sed-opal: ... |
1036 1037 |
pr_debug("Error finalizing command buffer: %d ", ret); |
455a7b238 block: Add Sed-op... |
1038 1039 1040 1041 1042 1043 1044 |
return ret; } print_buffer(dev->cmd, dev->pos); return opal_send_recv(dev, cont); } |
eed64951f block/sed: Embed ... |
1045 |
static int gen_key(struct opal_dev *dev, void *data) |
455a7b238 block: Add Sed-op... |
1046 |
{ |
455a7b238 block: Add Sed-op... |
1047 1048 1049 1050 1051 1052 1053 |
u8 uid[OPAL_UID_LENGTH]; int err = 0; clear_opal_cmd(dev); set_comid(dev, dev->comid); memcpy(uid, dev->prev_data, min(sizeof(uid), dev->prev_d_len)); |
455a7b238 block: Add Sed-op... |
1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 |
kfree(dev->prev_data); dev->prev_data = NULL; add_token_u8(&err, dev, OPAL_CALL); add_token_bytestring(&err, dev, uid, OPAL_UID_LENGTH); add_token_bytestring(&err, dev, opalmethod[OPAL_GENKEY], OPAL_UID_LENGTH); add_token_u8(&err, dev, OPAL_STARTLIST); add_token_u8(&err, dev, OPAL_ENDLIST); if (err) { |
591c59d18 block: sed-opal: ... |
1065 1066 |
pr_debug("Error building gen key command "); |
455a7b238 block: Add Sed-op... |
1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 |
return err; } return finalize_and_send(dev, parse_and_check_status); } static int get_active_key_cont(struct opal_dev *dev) { const char *activekey; size_t keylen; int error = 0; error = parse_and_check_status(dev); if (error) return error; keylen = response_get_string(&dev->parsed, 4, &activekey); if (!activekey) { |
591c59d18 block: sed-opal: ... |
1084 1085 1086 |
pr_debug("%s: Couldn't extract the Activekey from the response ", __func__); |
455a7b238 block: Add Sed-op... |
1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 |
return OPAL_INVAL_PARAM; } dev->prev_data = kmemdup(activekey, keylen, GFP_KERNEL); if (!dev->prev_data) return -ENOMEM; dev->prev_d_len = keylen; return 0; } |
eed64951f block/sed: Embed ... |
1098 |
static int get_active_key(struct opal_dev *dev, void *data) |
455a7b238 block: Add Sed-op... |
1099 1100 1101 |
{ u8 uid[OPAL_UID_LENGTH]; int err = 0; |
eed64951f block/sed: Embed ... |
1102 |
u8 *lr = data; |
455a7b238 block: Add Sed-op... |
1103 1104 1105 |
clear_opal_cmd(dev); set_comid(dev, dev->comid); |
455a7b238 block: Add Sed-op... |
1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 |
err = build_locking_range(uid, sizeof(uid), *lr); if (err) return err; err = 0; add_token_u8(&err, dev, OPAL_CALL); add_token_bytestring(&err, dev, uid, OPAL_UID_LENGTH); add_token_bytestring(&err, dev, opalmethod[OPAL_GET], OPAL_UID_LENGTH); add_token_u8(&err, dev, OPAL_STARTLIST); add_token_u8(&err, dev, OPAL_STARTLIST); add_token_u8(&err, dev, OPAL_STARTNAME); add_token_u8(&err, dev, 3); /* startCloumn */ add_token_u8(&err, dev, 10); /* ActiveKey */ add_token_u8(&err, dev, OPAL_ENDNAME); add_token_u8(&err, dev, OPAL_STARTNAME); add_token_u8(&err, dev, 4); /* endColumn */ add_token_u8(&err, dev, 10); /* ActiveKey */ add_token_u8(&err, dev, OPAL_ENDNAME); add_token_u8(&err, dev, OPAL_ENDLIST); add_token_u8(&err, dev, OPAL_ENDLIST); if (err) { |
591c59d18 block: sed-opal: ... |
1128 1129 |
pr_debug("Error building get active key command "); |
455a7b238 block: Add Sed-op... |
1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 |
return err; } return finalize_and_send(dev, get_active_key_cont); } static int generic_lr_enable_disable(struct opal_dev *dev, u8 *uid, bool rle, bool wle, bool rl, bool wl) { int err = 0; add_token_u8(&err, dev, OPAL_CALL); add_token_bytestring(&err, dev, uid, OPAL_UID_LENGTH); add_token_bytestring(&err, dev, opalmethod[OPAL_SET], OPAL_UID_LENGTH); add_token_u8(&err, dev, OPAL_STARTLIST); add_token_u8(&err, dev, OPAL_STARTNAME); add_token_u8(&err, dev, OPAL_VALUES); add_token_u8(&err, dev, OPAL_STARTLIST); add_token_u8(&err, dev, OPAL_STARTNAME); add_token_u8(&err, dev, 5); /* ReadLockEnabled */ add_token_u8(&err, dev, rle); add_token_u8(&err, dev, OPAL_ENDNAME); add_token_u8(&err, dev, OPAL_STARTNAME); add_token_u8(&err, dev, 6); /* WriteLockEnabled */ add_token_u8(&err, dev, wle); add_token_u8(&err, dev, OPAL_ENDNAME); add_token_u8(&err, dev, OPAL_STARTNAME); add_token_u8(&err, dev, OPAL_READLOCKED); add_token_u8(&err, dev, rl); add_token_u8(&err, dev, OPAL_ENDNAME); add_token_u8(&err, dev, OPAL_STARTNAME); add_token_u8(&err, dev, OPAL_WRITELOCKED); add_token_u8(&err, dev, wl); add_token_u8(&err, dev, OPAL_ENDNAME); add_token_u8(&err, dev, OPAL_ENDLIST); add_token_u8(&err, dev, OPAL_ENDNAME); add_token_u8(&err, dev, OPAL_ENDLIST); return err; } static inline int enable_global_lr(struct opal_dev *dev, u8 *uid, struct opal_user_lr_setup *setup) { int err; err = generic_lr_enable_disable(dev, uid, !!setup->RLE, !!setup->WLE, 0, 0); if (err) |
591c59d18 block: sed-opal: ... |
1185 1186 |
pr_debug("Failed to create enable global lr command "); |
455a7b238 block: Add Sed-op... |
1187 1188 |
return err; } |
eed64951f block/sed: Embed ... |
1189 |
static int setup_locking_range(struct opal_dev *dev, void *data) |
455a7b238 block: Add Sed-op... |
1190 1191 |
{ u8 uid[OPAL_UID_LENGTH]; |
eed64951f block/sed: Embed ... |
1192 |
struct opal_user_lr_setup *setup = data; |
455a7b238 block: Add Sed-op... |
1193 1194 1195 1196 1197 |
u8 lr; int err = 0; clear_opal_cmd(dev); set_comid(dev, dev->comid); |
455a7b238 block: Add Sed-op... |
1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 |
lr = setup->session.opal_key.lr; err = build_locking_range(uid, sizeof(uid), lr); if (err) return err; if (lr == 0) err = enable_global_lr(dev, uid, setup); else { add_token_u8(&err, dev, OPAL_CALL); add_token_bytestring(&err, dev, uid, OPAL_UID_LENGTH); add_token_bytestring(&err, dev, opalmethod[OPAL_SET], OPAL_UID_LENGTH); add_token_u8(&err, dev, OPAL_STARTLIST); add_token_u8(&err, dev, OPAL_STARTNAME); add_token_u8(&err, dev, OPAL_VALUES); add_token_u8(&err, dev, OPAL_STARTLIST); add_token_u8(&err, dev, OPAL_STARTNAME); add_token_u8(&err, dev, 3); /* Ranges Start */ add_token_u64(&err, dev, setup->range_start); add_token_u8(&err, dev, OPAL_ENDNAME); add_token_u8(&err, dev, OPAL_STARTNAME); add_token_u8(&err, dev, 4); /* Ranges length */ add_token_u64(&err, dev, setup->range_length); add_token_u8(&err, dev, OPAL_ENDNAME); add_token_u8(&err, dev, OPAL_STARTNAME); add_token_u8(&err, dev, 5); /*ReadLockEnabled */ add_token_u64(&err, dev, !!setup->RLE); add_token_u8(&err, dev, OPAL_ENDNAME); add_token_u8(&err, dev, OPAL_STARTNAME); add_token_u8(&err, dev, 6); /*WriteLockEnabled*/ add_token_u64(&err, dev, !!setup->WLE); add_token_u8(&err, dev, OPAL_ENDNAME); add_token_u8(&err, dev, OPAL_ENDLIST); add_token_u8(&err, dev, OPAL_ENDNAME); add_token_u8(&err, dev, OPAL_ENDLIST); } if (err) { |
591c59d18 block: sed-opal: ... |
1242 1243 |
pr_debug("Error building Setup Locking range command. "); |
455a7b238 block: Add Sed-op... |
1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 |
return err; } return finalize_and_send(dev, parse_and_check_status); } static int start_generic_opal_session(struct opal_dev *dev, enum opal_uid auth, enum opal_uid sp_type, const char *key, u8 key_len) { u32 hsn; int err = 0; |
591c59d18 block: sed-opal: ... |
1259 |
if (key == NULL && auth != OPAL_ANYBODY_UID) |
455a7b238 block: Add Sed-op... |
1260 |
return OPAL_INVAL_PARAM; |
455a7b238 block: Add Sed-op... |
1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282 1283 1284 1285 1286 1287 1288 1289 1290 1291 1292 1293 1294 |
clear_opal_cmd(dev); set_comid(dev, dev->comid); hsn = GENERIC_HOST_SESSION_NUM; add_token_u8(&err, dev, OPAL_CALL); add_token_bytestring(&err, dev, opaluid[OPAL_SMUID_UID], OPAL_UID_LENGTH); add_token_bytestring(&err, dev, opalmethod[OPAL_STARTSESSION], OPAL_UID_LENGTH); add_token_u8(&err, dev, OPAL_STARTLIST); add_token_u64(&err, dev, hsn); add_token_bytestring(&err, dev, opaluid[sp_type], OPAL_UID_LENGTH); add_token_u8(&err, dev, 1); switch (auth) { case OPAL_ANYBODY_UID: add_token_u8(&err, dev, OPAL_ENDLIST); break; case OPAL_ADMIN1_UID: case OPAL_SID_UID: add_token_u8(&err, dev, OPAL_STARTNAME); add_token_u8(&err, dev, 0); /* HostChallenge */ add_token_bytestring(&err, dev, key, key_len); add_token_u8(&err, dev, OPAL_ENDNAME); add_token_u8(&err, dev, OPAL_STARTNAME); add_token_u8(&err, dev, 3); /* HostSignAuth */ add_token_bytestring(&err, dev, opaluid[auth], OPAL_UID_LENGTH); add_token_u8(&err, dev, OPAL_ENDNAME); add_token_u8(&err, dev, OPAL_ENDLIST); break; default: |
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1295 1296 |
pr_debug("Cannot start Admin SP session with auth %d ", auth); |
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1297 1298 1299 1300 |
return OPAL_INVAL_PARAM; } if (err) { |
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1301 1302 |
pr_debug("Error building start adminsp session command. "); |
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1303 1304 1305 1306 1307 |
return err; } return finalize_and_send(dev, start_opal_session_cont); } |
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1308 |
static int start_anybodyASP_opal_session(struct opal_dev *dev, void *data) |
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1309 1310 1311 1312 |
{ return start_generic_opal_session(dev, OPAL_ANYBODY_UID, OPAL_ADMINSP_UID, NULL, 0); } |
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static int start_SIDASP_opal_session(struct opal_dev *dev, void *data) |
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1314 1315 1316 |
{ int ret; const u8 *key = dev->prev_data; |
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1317 1318 |
if (!key) { |
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1319 |
const struct opal_key *okey = data; |
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1320 1321 1322 1323 1324 1325 1326 1327 1328 1329 1330 1331 1332 |
ret = start_generic_opal_session(dev, OPAL_SID_UID, OPAL_ADMINSP_UID, okey->key, okey->key_len); } else { ret = start_generic_opal_session(dev, OPAL_SID_UID, OPAL_ADMINSP_UID, key, dev->prev_d_len); kfree(key); dev->prev_data = NULL; } return ret; } |
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static int start_admin1LSP_opal_session(struct opal_dev *dev, void *data) |
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{ |
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struct opal_key *key = data; |
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return start_generic_opal_session(dev, OPAL_ADMIN1_UID, OPAL_LOCKINGSP_UID, key->key, key->key_len); } |
eed64951f block/sed: Embed ... |
1340 |
static int start_auth_opal_session(struct opal_dev *dev, void *data) |
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1341 |
{ |
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1342 |
struct opal_session_info *session = data; |
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1343 |
u8 lk_ul_user[OPAL_UID_LENGTH]; |
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size_t keylen = session->opal_key.key_len; |
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1345 |
int err = 0; |
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u8 *key = session->opal_key.key; u32 hsn = GENERIC_HOST_SESSION_NUM; clear_opal_cmd(dev); set_comid(dev, dev->comid); if (session->sum) { err = build_locking_user(lk_ul_user, sizeof(lk_ul_user), session->opal_key.lr); if (err) return err; } else if (session->who != OPAL_ADMIN1 && !session->sum) { err = build_locking_user(lk_ul_user, sizeof(lk_ul_user), session->who - 1); if (err) return err; } else memcpy(lk_ul_user, opaluid[OPAL_ADMIN1_UID], OPAL_UID_LENGTH); add_token_u8(&err, dev, OPAL_CALL); add_token_bytestring(&err, dev, opaluid[OPAL_SMUID_UID], OPAL_UID_LENGTH); add_token_bytestring(&err, dev, opalmethod[OPAL_STARTSESSION], OPAL_UID_LENGTH); add_token_u8(&err, dev, OPAL_STARTLIST); add_token_u64(&err, dev, hsn); add_token_bytestring(&err, dev, opaluid[OPAL_LOCKINGSP_UID], OPAL_UID_LENGTH); add_token_u8(&err, dev, 1); add_token_u8(&err, dev, OPAL_STARTNAME); add_token_u8(&err, dev, 0); add_token_bytestring(&err, dev, key, keylen); add_token_u8(&err, dev, OPAL_ENDNAME); add_token_u8(&err, dev, OPAL_STARTNAME); add_token_u8(&err, dev, 3); add_token_bytestring(&err, dev, lk_ul_user, OPAL_UID_LENGTH); add_token_u8(&err, dev, OPAL_ENDNAME); add_token_u8(&err, dev, OPAL_ENDLIST); if (err) { |
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1388 1389 |
pr_debug("Error building STARTSESSION command. "); |
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1390 1391 1392 1393 1394 |
return err; } return finalize_and_send(dev, start_opal_session_cont); } |
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1395 |
static int revert_tper(struct opal_dev *dev, void *data) |
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1396 1397 1398 1399 1400 1401 1402 1403 1404 1405 1406 1407 1408 1409 |
{ int err = 0; clear_opal_cmd(dev); set_comid(dev, dev->comid); add_token_u8(&err, dev, OPAL_CALL); add_token_bytestring(&err, dev, opaluid[OPAL_ADMINSP_UID], OPAL_UID_LENGTH); add_token_bytestring(&err, dev, opalmethod[OPAL_REVERT], OPAL_UID_LENGTH); add_token_u8(&err, dev, OPAL_STARTLIST); add_token_u8(&err, dev, OPAL_ENDLIST); if (err) { |
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1410 1411 |
pr_debug("Error building REVERT TPER command. "); |
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1412 1413 1414 1415 1416 |
return err; } return finalize_and_send(dev, parse_and_check_status); } |
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static int internal_activate_user(struct opal_dev *dev, void *data) |
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1418 |
{ |
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struct opal_session_info *session = data; |
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u8 uid[OPAL_UID_LENGTH]; int err = 0; clear_opal_cmd(dev); set_comid(dev, dev->comid); memcpy(uid, opaluid[OPAL_USER1_UID], OPAL_UID_LENGTH); uid[7] = session->who; add_token_u8(&err, dev, OPAL_CALL); add_token_bytestring(&err, dev, uid, OPAL_UID_LENGTH); add_token_bytestring(&err, dev, opalmethod[OPAL_SET], OPAL_UID_LENGTH); add_token_u8(&err, dev, OPAL_STARTLIST); add_token_u8(&err, dev, OPAL_STARTNAME); add_token_u8(&err, dev, OPAL_VALUES); add_token_u8(&err, dev, OPAL_STARTLIST); add_token_u8(&err, dev, OPAL_STARTNAME); add_token_u8(&err, dev, 5); /* Enabled */ add_token_u8(&err, dev, OPAL_TRUE); add_token_u8(&err, dev, OPAL_ENDNAME); add_token_u8(&err, dev, OPAL_ENDLIST); add_token_u8(&err, dev, OPAL_ENDNAME); add_token_u8(&err, dev, OPAL_ENDLIST); if (err) { |
591c59d18 block: sed-opal: ... |
1445 1446 |
pr_debug("Error building Activate UserN command. "); |
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1447 1448 1449 1450 1451 |
return err; } return finalize_and_send(dev, parse_and_check_status); } |
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static int erase_locking_range(struct opal_dev *dev, void *data) |
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1453 |
{ |
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1454 |
struct opal_session_info *session = data; |
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1455 1456 1457 1458 1459 |
u8 uid[OPAL_UID_LENGTH]; int err = 0; clear_opal_cmd(dev); set_comid(dev, dev->comid); |
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1460 1461 1462 1463 1464 1465 1466 1467 1468 1469 1470 1471 |
if (build_locking_range(uid, sizeof(uid), session->opal_key.lr) < 0) return -ERANGE; add_token_u8(&err, dev, OPAL_CALL); add_token_bytestring(&err, dev, uid, OPAL_UID_LENGTH); add_token_bytestring(&err, dev, opalmethod[OPAL_ERASE], OPAL_UID_LENGTH); add_token_u8(&err, dev, OPAL_STARTLIST); add_token_u8(&err, dev, OPAL_ENDLIST); if (err) { |
591c59d18 block: sed-opal: ... |
1472 1473 |
pr_debug("Error building Erase Locking Range Command. "); |
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1474 1475 1476 1477 |
return err; } return finalize_and_send(dev, parse_and_check_status); } |
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static int set_mbr_done(struct opal_dev *dev, void *data) |
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{ |
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u8 *mbr_done_tf = data; |
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int err = 0; clear_opal_cmd(dev); set_comid(dev, dev->comid); add_token_u8(&err, dev, OPAL_CALL); add_token_bytestring(&err, dev, opaluid[OPAL_MBRCONTROL], OPAL_UID_LENGTH); add_token_bytestring(&err, dev, opalmethod[OPAL_SET], OPAL_UID_LENGTH); add_token_u8(&err, dev, OPAL_STARTLIST); add_token_u8(&err, dev, OPAL_STARTNAME); add_token_u8(&err, dev, OPAL_VALUES); add_token_u8(&err, dev, OPAL_STARTLIST); add_token_u8(&err, dev, OPAL_STARTNAME); add_token_u8(&err, dev, 2); /* Done */ |
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1496 |
add_token_u8(&err, dev, *mbr_done_tf); /* Done T or F */ |
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1497 1498 1499 1500 1501 1502 |
add_token_u8(&err, dev, OPAL_ENDNAME); add_token_u8(&err, dev, OPAL_ENDLIST); add_token_u8(&err, dev, OPAL_ENDNAME); add_token_u8(&err, dev, OPAL_ENDLIST); if (err) { |
591c59d18 block: sed-opal: ... |
1503 1504 |
pr_debug("Error Building set MBR Done command "); |
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1505 1506 1507 1508 1509 |
return err; } return finalize_and_send(dev, parse_and_check_status); } |
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static int set_mbr_enable_disable(struct opal_dev *dev, void *data) |
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1511 |
{ |
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u8 *mbr_en_dis = data; |
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1513 1514 1515 1516 1517 1518 1519 1520 1521 1522 1523 1524 1525 1526 1527 |
int err = 0; clear_opal_cmd(dev); set_comid(dev, dev->comid); add_token_u8(&err, dev, OPAL_CALL); add_token_bytestring(&err, dev, opaluid[OPAL_MBRCONTROL], OPAL_UID_LENGTH); add_token_bytestring(&err, dev, opalmethod[OPAL_SET], OPAL_UID_LENGTH); add_token_u8(&err, dev, OPAL_STARTLIST); add_token_u8(&err, dev, OPAL_STARTNAME); add_token_u8(&err, dev, OPAL_VALUES); add_token_u8(&err, dev, OPAL_STARTLIST); add_token_u8(&err, dev, OPAL_STARTNAME); add_token_u8(&err, dev, 1); |
eed64951f block/sed: Embed ... |
1528 |
add_token_u8(&err, dev, *mbr_en_dis); |
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1529 1530 1531 1532 1533 1534 |
add_token_u8(&err, dev, OPAL_ENDNAME); add_token_u8(&err, dev, OPAL_ENDLIST); add_token_u8(&err, dev, OPAL_ENDNAME); add_token_u8(&err, dev, OPAL_ENDLIST); if (err) { |
591c59d18 block: sed-opal: ... |
1535 1536 |
pr_debug("Error Building set MBR done command "); |
455a7b238 block: Add Sed-op... |
1537 1538 1539 1540 1541 1542 1543 1544 1545 1546 1547 1548 1549 1550 1551 1552 1553 1554 1555 1556 1557 1558 1559 1560 1561 1562 1563 1564 1565 1566 1567 1568 |
return err; } return finalize_and_send(dev, parse_and_check_status); } static int generic_pw_cmd(u8 *key, size_t key_len, u8 *cpin_uid, struct opal_dev *dev) { int err = 0; clear_opal_cmd(dev); set_comid(dev, dev->comid); add_token_u8(&err, dev, OPAL_CALL); add_token_bytestring(&err, dev, cpin_uid, OPAL_UID_LENGTH); add_token_bytestring(&err, dev, opalmethod[OPAL_SET], OPAL_UID_LENGTH); add_token_u8(&err, dev, OPAL_STARTLIST); add_token_u8(&err, dev, OPAL_STARTNAME); add_token_u8(&err, dev, OPAL_VALUES); add_token_u8(&err, dev, OPAL_STARTLIST); add_token_u8(&err, dev, OPAL_STARTNAME); add_token_u8(&err, dev, 3); /* PIN */ add_token_bytestring(&err, dev, key, key_len); add_token_u8(&err, dev, OPAL_ENDNAME); add_token_u8(&err, dev, OPAL_ENDLIST); add_token_u8(&err, dev, OPAL_ENDNAME); add_token_u8(&err, dev, OPAL_ENDLIST); return err; } |
eed64951f block/sed: Embed ... |
1569 |
static int set_new_pw(struct opal_dev *dev, void *data) |
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1570 1571 |
{ u8 cpin_uid[OPAL_UID_LENGTH]; |
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1572 |
struct opal_session_info *usr = data; |
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1573 1574 1575 1576 1577 1578 1579 1580 1581 1582 1583 1584 1585 |
memcpy(cpin_uid, opaluid[OPAL_C_PIN_ADMIN1], OPAL_UID_LENGTH); if (usr->who != OPAL_ADMIN1) { cpin_uid[5] = 0x03; if (usr->sum) cpin_uid[7] = usr->opal_key.lr + 1; else cpin_uid[7] = usr->who; } if (generic_pw_cmd(usr->opal_key.key, usr->opal_key.key_len, cpin_uid, dev)) { |
591c59d18 block: sed-opal: ... |
1586 1587 |
pr_debug("Error building set password command. "); |
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1588 1589 1590 1591 1592 |
return -ERANGE; } return finalize_and_send(dev, parse_and_check_status); } |
eed64951f block/sed: Embed ... |
1593 |
static int set_sid_cpin_pin(struct opal_dev *dev, void *data) |
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1594 1595 |
{ u8 cpin_uid[OPAL_UID_LENGTH]; |
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1596 |
struct opal_key *key = data; |
455a7b238 block: Add Sed-op... |
1597 1598 1599 1600 |
memcpy(cpin_uid, opaluid[OPAL_C_PIN_SID], OPAL_UID_LENGTH); if (generic_pw_cmd(key->key, key->key_len, cpin_uid, dev)) { |
591c59d18 block: sed-opal: ... |
1601 1602 |
pr_debug("Error building Set SID cpin "); |
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1603 1604 1605 1606 |
return -ERANGE; } return finalize_and_send(dev, parse_and_check_status); } |
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1607 |
static int add_user_to_lr(struct opal_dev *dev, void *data) |
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1608 1609 1610 |
{ u8 lr_buffer[OPAL_UID_LENGTH]; u8 user_uid[OPAL_UID_LENGTH]; |
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1611 |
struct opal_lock_unlock *lkul = data; |
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1612 1613 1614 1615 |
int err = 0; clear_opal_cmd(dev); set_comid(dev, dev->comid); |
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memcpy(lr_buffer, opaluid[OPAL_LOCKINGRANGE_ACE_RDLOCKED], OPAL_UID_LENGTH); if (lkul->l_state == OPAL_RW) memcpy(lr_buffer, opaluid[OPAL_LOCKINGRANGE_ACE_WRLOCKED], OPAL_UID_LENGTH); lr_buffer[7] = lkul->session.opal_key.lr; memcpy(user_uid, opaluid[OPAL_USER1_UID], OPAL_UID_LENGTH); user_uid[7] = lkul->session.who; add_token_u8(&err, dev, OPAL_CALL); add_token_bytestring(&err, dev, lr_buffer, OPAL_UID_LENGTH); add_token_bytestring(&err, dev, opalmethod[OPAL_SET], OPAL_UID_LENGTH); add_token_u8(&err, dev, OPAL_STARTLIST); add_token_u8(&err, dev, OPAL_STARTNAME); add_token_u8(&err, dev, OPAL_VALUES); add_token_u8(&err, dev, OPAL_STARTLIST); add_token_u8(&err, dev, OPAL_STARTNAME); add_token_u8(&err, dev, 3); add_token_u8(&err, dev, OPAL_STARTLIST); add_token_u8(&err, dev, OPAL_STARTNAME); add_token_bytestring(&err, dev, opaluid[OPAL_HALF_UID_AUTHORITY_OBJ_REF], OPAL_UID_LENGTH/2); add_token_bytestring(&err, dev, user_uid, OPAL_UID_LENGTH); add_token_u8(&err, dev, OPAL_ENDNAME); add_token_u8(&err, dev, OPAL_STARTNAME); add_token_bytestring(&err, dev, opaluid[OPAL_HALF_UID_AUTHORITY_OBJ_REF], OPAL_UID_LENGTH/2); add_token_bytestring(&err, dev, user_uid, OPAL_UID_LENGTH); add_token_u8(&err, dev, OPAL_ENDNAME); add_token_u8(&err, dev, OPAL_STARTNAME); add_token_bytestring(&err, dev, opaluid[OPAL_HALF_UID_BOOLEAN_ACE], OPAL_UID_LENGTH/2); add_token_u8(&err, dev, 1); add_token_u8(&err, dev, OPAL_ENDNAME); add_token_u8(&err, dev, OPAL_ENDLIST); add_token_u8(&err, dev, OPAL_ENDNAME); add_token_u8(&err, dev, OPAL_ENDLIST); add_token_u8(&err, dev, OPAL_ENDNAME); add_token_u8(&err, dev, OPAL_ENDLIST); if (err) { |
591c59d18 block: sed-opal: ... |
1675 1676 |
pr_debug("Error building add user to locking range command. "); |
455a7b238 block: Add Sed-op... |
1677 1678 1679 1680 1681 |
return err; } return finalize_and_send(dev, parse_and_check_status); } |
eed64951f block/sed: Embed ... |
1682 |
static int lock_unlock_locking_range(struct opal_dev *dev, void *data) |
455a7b238 block: Add Sed-op... |
1683 1684 |
{ u8 lr_buffer[OPAL_UID_LENGTH]; |
eed64951f block/sed: Embed ... |
1685 |
struct opal_lock_unlock *lkul = data; |
455a7b238 block: Add Sed-op... |
1686 1687 1688 1689 1690 |
u8 read_locked = 1, write_locked = 1; int err = 0; clear_opal_cmd(dev); set_comid(dev, dev->comid); |
455a7b238 block: Add Sed-op... |
1691 1692 1693 1694 1695 1696 1697 1698 1699 1700 1701 1702 1703 1704 1705 1706 1707 |
if (build_locking_range(lr_buffer, sizeof(lr_buffer), lkul->session.opal_key.lr) < 0) return -ERANGE; switch (lkul->l_state) { case OPAL_RO: read_locked = 0; write_locked = 1; break; case OPAL_RW: read_locked = 0; write_locked = 0; break; case OPAL_LK: /* vars are initalized to locked */ break; default: |
591c59d18 block: sed-opal: ... |
1708 1709 |
pr_debug("Tried to set an invalid locking state... returning to uland "); |
455a7b238 block: Add Sed-op... |
1710 1711 1712 1713 1714 1715 1716 1717 1718 1719 1720 1721 1722 1723 1724 1725 1726 1727 1728 1729 1730 1731 1732 1733 1734 1735 |
return OPAL_INVAL_PARAM; } add_token_u8(&err, dev, OPAL_CALL); add_token_bytestring(&err, dev, lr_buffer, OPAL_UID_LENGTH); add_token_bytestring(&err, dev, opalmethod[OPAL_SET], OPAL_UID_LENGTH); add_token_u8(&err, dev, OPAL_STARTLIST); add_token_u8(&err, dev, OPAL_STARTNAME); add_token_u8(&err, dev, OPAL_VALUES); add_token_u8(&err, dev, OPAL_STARTLIST); add_token_u8(&err, dev, OPAL_STARTNAME); add_token_u8(&err, dev, OPAL_READLOCKED); add_token_u8(&err, dev, read_locked); add_token_u8(&err, dev, OPAL_ENDNAME); add_token_u8(&err, dev, OPAL_STARTNAME); add_token_u8(&err, dev, OPAL_WRITELOCKED); add_token_u8(&err, dev, write_locked); add_token_u8(&err, dev, OPAL_ENDNAME); add_token_u8(&err, dev, OPAL_ENDLIST); add_token_u8(&err, dev, OPAL_ENDNAME); add_token_u8(&err, dev, OPAL_ENDLIST); if (err) { |
591c59d18 block: sed-opal: ... |
1736 1737 |
pr_debug("Error building SET command. "); |
455a7b238 block: Add Sed-op... |
1738 1739 1740 1741 |
return err; } return finalize_and_send(dev, parse_and_check_status); } |
eed64951f block/sed: Embed ... |
1742 |
static int lock_unlock_locking_range_sum(struct opal_dev *dev, void *data) |
455a7b238 block: Add Sed-op... |
1743 1744 1745 |
{ u8 lr_buffer[OPAL_UID_LENGTH]; u8 read_locked = 1, write_locked = 1; |
eed64951f block/sed: Embed ... |
1746 |
struct opal_lock_unlock *lkul = data; |
455a7b238 block: Add Sed-op... |
1747 1748 1749 1750 |
int ret; clear_opal_cmd(dev); set_comid(dev, dev->comid); |
455a7b238 block: Add Sed-op... |
1751 1752 1753 1754 1755 1756 1757 1758 1759 1760 1761 1762 1763 1764 1765 1766 1767 |
if (build_locking_range(lr_buffer, sizeof(lr_buffer), lkul->session.opal_key.lr) < 0) return -ERANGE; switch (lkul->l_state) { case OPAL_RO: read_locked = 0; write_locked = 1; break; case OPAL_RW: read_locked = 0; write_locked = 0; break; case OPAL_LK: /* vars are initalized to locked */ break; default: |
591c59d18 block: sed-opal: ... |
1768 1769 |
pr_debug("Tried to set an invalid locking state. "); |
455a7b238 block: Add Sed-op... |
1770 1771 1772 1773 1774 1775 |
return OPAL_INVAL_PARAM; } ret = generic_lr_enable_disable(dev, lr_buffer, 1, 1, read_locked, write_locked); if (ret < 0) { |
591c59d18 block: sed-opal: ... |
1776 1777 |
pr_debug("Error building SET command. "); |
455a7b238 block: Add Sed-op... |
1778 1779 1780 1781 |
return ret; } return finalize_and_send(dev, parse_and_check_status); } |
eed64951f block/sed: Embed ... |
1782 |
static int activate_lsp(struct opal_dev *dev, void *data) |
455a7b238 block: Add Sed-op... |
1783 |
{ |
eed64951f block/sed: Embed ... |
1784 |
struct opal_lr_act *opal_act = data; |
455a7b238 block: Add Sed-op... |
1785 1786 1787 1788 1789 1790 |
u8 user_lr[OPAL_UID_LENGTH]; u8 uint_3 = 0x83; int err = 0, i; clear_opal_cmd(dev); set_comid(dev, dev->comid); |
455a7b238 block: Add Sed-op... |
1791 1792 1793 1794 1795 1796 1797 1798 1799 1800 1801 1802 1803 1804 1805 1806 1807 1808 1809 1810 1811 1812 1813 1814 1815 1816 1817 1818 1819 1820 1821 1822 1823 1824 1825 1826 |
add_token_u8(&err, dev, OPAL_CALL); add_token_bytestring(&err, dev, opaluid[OPAL_LOCKINGSP_UID], OPAL_UID_LENGTH); add_token_bytestring(&err, dev, opalmethod[OPAL_ACTIVATE], OPAL_UID_LENGTH); if (opal_act->sum) { err = build_locking_range(user_lr, sizeof(user_lr), opal_act->lr[0]); if (err) return err; add_token_u8(&err, dev, OPAL_STARTLIST); add_token_u8(&err, dev, OPAL_STARTNAME); add_token_u8(&err, dev, uint_3); add_token_u8(&err, dev, 6); add_token_u8(&err, dev, 0); add_token_u8(&err, dev, 0); add_token_u8(&err, dev, OPAL_STARTLIST); add_token_bytestring(&err, dev, user_lr, OPAL_UID_LENGTH); for (i = 1; i < opal_act->num_lrs; i++) { user_lr[7] = opal_act->lr[i]; add_token_bytestring(&err, dev, user_lr, OPAL_UID_LENGTH); } add_token_u8(&err, dev, OPAL_ENDLIST); add_token_u8(&err, dev, OPAL_ENDNAME); add_token_u8(&err, dev, OPAL_ENDLIST); } else { add_token_u8(&err, dev, OPAL_STARTLIST); add_token_u8(&err, dev, OPAL_ENDLIST); } if (err) { |
591c59d18 block: sed-opal: ... |
1827 1828 |
pr_debug("Error building Activate LockingSP command. "); |
455a7b238 block: Add Sed-op... |
1829 1830 1831 1832 1833 1834 1835 1836 1837 1838 1839 1840 1841 1842 1843 1844 1845 1846 1847 |
return err; } return finalize_and_send(dev, parse_and_check_status); } static int get_lsp_lifecycle_cont(struct opal_dev *dev) { u8 lc_status; int error = 0; error = parse_and_check_status(dev); if (error) return error; lc_status = response_get_u64(&dev->parsed, 4); /* 0x08 is Manufacured Inactive */ /* 0x09 is Manufactured */ if (lc_status != OPAL_MANUFACTURED_INACTIVE) { |
591c59d18 block: sed-opal: ... |
1848 1849 |
pr_debug("Couldn't determine the status of the Lifecycle state "); |
455a7b238 block: Add Sed-op... |
1850 1851 1852 1853 1854 1855 1856 |
return -ENODEV; } return 0; } /* Determine if we're in the Manufactured Inactive or Active state */ |
eed64951f block/sed: Embed ... |
1857 |
static int get_lsp_lifecycle(struct opal_dev *dev, void *data) |
455a7b238 block: Add Sed-op... |
1858 1859 1860 1861 1862 1863 1864 1865 1866 1867 1868 1869 1870 1871 1872 1873 1874 1875 1876 1877 1878 1879 1880 1881 1882 1883 1884 1885 |
{ int err = 0; clear_opal_cmd(dev); set_comid(dev, dev->comid); add_token_u8(&err, dev, OPAL_CALL); add_token_bytestring(&err, dev, opaluid[OPAL_LOCKINGSP_UID], OPAL_UID_LENGTH); add_token_bytestring(&err, dev, opalmethod[OPAL_GET], OPAL_UID_LENGTH); add_token_u8(&err, dev, OPAL_STARTLIST); add_token_u8(&err, dev, OPAL_STARTLIST); add_token_u8(&err, dev, OPAL_STARTNAME); add_token_u8(&err, dev, 3); /* Start Column */ add_token_u8(&err, dev, 6); /* Lifecycle Column */ add_token_u8(&err, dev, OPAL_ENDNAME); add_token_u8(&err, dev, OPAL_STARTNAME); add_token_u8(&err, dev, 4); /* End Column */ add_token_u8(&err, dev, 6); /* Lifecycle Column */ add_token_u8(&err, dev, OPAL_ENDNAME); add_token_u8(&err, dev, OPAL_ENDLIST); add_token_u8(&err, dev, OPAL_ENDLIST); if (err) { |
591c59d18 block: sed-opal: ... |
1886 1887 |
pr_debug("Error Building GET Lifecycle Status command "); |
455a7b238 block: Add Sed-op... |
1888 1889 1890 1891 1892 1893 1894 1895 1896 1897 1898 1899 1900 1901 1902 1903 1904 1905 |
return err; } return finalize_and_send(dev, get_lsp_lifecycle_cont); } static int get_msid_cpin_pin_cont(struct opal_dev *dev) { const char *msid_pin; size_t strlen; int error = 0; error = parse_and_check_status(dev); if (error) return error; strlen = response_get_string(&dev->parsed, 4, &msid_pin); if (!msid_pin) { |
591c59d18 block: sed-opal: ... |
1906 1907 |
pr_debug("%s: Couldn't extract PIN from response ", __func__); |
455a7b238 block: Add Sed-op... |
1908 1909 1910 1911 1912 1913 1914 1915 1916 1917 1918 |
return OPAL_INVAL_PARAM; } dev->prev_data = kmemdup(msid_pin, strlen, GFP_KERNEL); if (!dev->prev_data) return -ENOMEM; dev->prev_d_len = strlen; return 0; } |
eed64951f block/sed: Embed ... |
1919 |
static int get_msid_cpin_pin(struct opal_dev *dev, void *data) |
455a7b238 block: Add Sed-op... |
1920 1921 1922 1923 1924 |
{ int err = 0; clear_opal_cmd(dev); set_comid(dev, dev->comid); |
455a7b238 block: Add Sed-op... |
1925 1926 1927 1928 1929 1930 1931 1932 1933 1934 1935 1936 1937 1938 1939 1940 1941 1942 1943 1944 1945 1946 |
add_token_u8(&err, dev, OPAL_CALL); add_token_bytestring(&err, dev, opaluid[OPAL_C_PIN_MSID], OPAL_UID_LENGTH); add_token_bytestring(&err, dev, opalmethod[OPAL_GET], OPAL_UID_LENGTH); add_token_u8(&err, dev, OPAL_STARTLIST); add_token_u8(&err, dev, OPAL_STARTLIST); add_token_u8(&err, dev, OPAL_STARTNAME); add_token_u8(&err, dev, 3); /* Start Column */ add_token_u8(&err, dev, 3); /* PIN */ add_token_u8(&err, dev, OPAL_ENDNAME); add_token_u8(&err, dev, OPAL_STARTNAME); add_token_u8(&err, dev, 4); /* End Column */ add_token_u8(&err, dev, 3); /* Lifecycle Column */ add_token_u8(&err, dev, OPAL_ENDNAME); add_token_u8(&err, dev, OPAL_ENDLIST); add_token_u8(&err, dev, OPAL_ENDLIST); if (err) { |
591c59d18 block: sed-opal: ... |
1947 1948 |
pr_debug("Error building Get MSID CPIN PIN command. "); |
455a7b238 block: Add Sed-op... |
1949 1950 1951 1952 1953 |
return err; } return finalize_and_send(dev, get_msid_cpin_pin_cont); } |
eed64951f block/sed: Embed ... |
1954 |
static int end_opal_session(struct opal_dev *dev, void *data) |
455a7b238 block: Add Sed-op... |
1955 1956 1957 1958 |
{ int err = 0; clear_opal_cmd(dev); |
455a7b238 block: Add Sed-op... |
1959 1960 |
set_comid(dev, dev->comid); add_token_u8(&err, dev, OPAL_ENDOFSESSION); |
455a7b238 block: Add Sed-op... |
1961 |
|
eed64951f block/sed: Embed ... |
1962 1963 |
if (err < 0) return err; |
455a7b238 block: Add Sed-op... |
1964 1965 1966 1967 1968 |
return finalize_and_send(dev, end_session_cont); } static int end_opal_session_error(struct opal_dev *dev) { |
eed64951f block/sed: Embed ... |
1969 1970 1971 |
const struct opal_step error_end_session[] = { { end_opal_session, }, { NULL, } |
455a7b238 block: Add Sed-op... |
1972 |
}; |
eed64951f block/sed: Embed ... |
1973 |
dev->steps = error_end_session; |
455a7b238 block: Add Sed-op... |
1974 1975 1976 1977 |
return next(dev); } static inline void setup_opal_dev(struct opal_dev *dev, |
eed64951f block/sed: Embed ... |
1978 |
const struct opal_step *steps) |
455a7b238 block: Add Sed-op... |
1979 |
{ |
eed64951f block/sed: Embed ... |
1980 |
dev->steps = steps; |
455a7b238 block: Add Sed-op... |
1981 1982 |
dev->tsn = 0; dev->hsn = 0; |
455a7b238 block: Add Sed-op... |
1983 1984 1985 1986 1987 |
dev->prev_data = NULL; } static int check_opal_support(struct opal_dev *dev) { |
eed64951f block/sed: Embed ... |
1988 1989 1990 |
const struct opal_step steps[] = { { opal_discovery0, }, { NULL, } |
455a7b238 block: Add Sed-op... |
1991 1992 1993 1994 |
}; int ret; mutex_lock(&dev->dev_lock); |
eed64951f block/sed: Embed ... |
1995 |
setup_opal_dev(dev, steps); |
455a7b238 block: Add Sed-op... |
1996 1997 1998 1999 2000 |
ret = next(dev); dev->supported = !ret; mutex_unlock(&dev->dev_lock); return ret; } |
7d6d15789 block/sed-opal: I... |
2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 |
static void clean_opal_dev(struct opal_dev *dev) { struct opal_suspend_data *suspend, *next; mutex_lock(&dev->dev_lock); list_for_each_entry_safe(suspend, next, &dev->unlk_lst, node) { list_del(&suspend->node); kfree(suspend); } mutex_unlock(&dev->dev_lock); } void free_opal_dev(struct opal_dev *dev) { if (!dev) return; clean_opal_dev(dev); kfree(dev); } EXPORT_SYMBOL(free_opal_dev); |
4f1244c82 block/sed-opal: a... |
2022 |
struct opal_dev *init_opal_dev(void *data, sec_send_recv *send_recv) |
455a7b238 block: Add Sed-op... |
2023 |
{ |
4f1244c82 block/sed-opal: a... |
2024 2025 2026 2027 2028 2029 2030 2031 2032 2033 2034 |
struct opal_dev *dev; dev = kmalloc(sizeof(*dev), GFP_KERNEL); if (!dev) return NULL; INIT_LIST_HEAD(&dev->unlk_lst); mutex_init(&dev->dev_lock); dev->data = data; dev->send_recv = send_recv; if (check_opal_support(dev) != 0) { |
f5b37b7c2 block/sed-opal: t... |
2035 2036 |
pr_debug("Opal is not supported on this device "); |
4f1244c82 block/sed-opal: a... |
2037 2038 2039 2040 |
kfree(dev); return NULL; } return dev; |
455a7b238 block: Add Sed-op... |
2041 2042 2043 2044 2045 2046 |
} EXPORT_SYMBOL(init_opal_dev); static int opal_secure_erase_locking_range(struct opal_dev *dev, struct opal_session_info *opal_session) { |
eed64951f block/sed: Embed ... |
2047 2048 2049 2050 2051 2052 2053 |
const struct opal_step erase_steps[] = { { opal_discovery0, }, { start_auth_opal_session, opal_session }, { get_active_key, &opal_session->opal_key.lr }, { gen_key, }, { end_opal_session, }, { NULL, } |
455a7b238 block: Add Sed-op... |
2054 2055 2056 2057 |
}; int ret; mutex_lock(&dev->dev_lock); |
eed64951f block/sed: Embed ... |
2058 |
setup_opal_dev(dev, erase_steps); |
455a7b238 block: Add Sed-op... |
2059 2060 2061 2062 2063 2064 2065 2066 |
ret = next(dev); mutex_unlock(&dev->dev_lock); return ret; } static int opal_erase_locking_range(struct opal_dev *dev, struct opal_session_info *opal_session) { |
eed64951f block/sed: Embed ... |
2067 2068 2069 2070 2071 2072 |
const struct opal_step erase_steps[] = { { opal_discovery0, }, { start_auth_opal_session, opal_session }, { erase_locking_range, opal_session }, { end_opal_session, }, { NULL, } |
455a7b238 block: Add Sed-op... |
2073 2074 2075 2076 |
}; int ret; mutex_lock(&dev->dev_lock); |
eed64951f block/sed: Embed ... |
2077 |
setup_opal_dev(dev, erase_steps); |
455a7b238 block: Add Sed-op... |
2078 2079 2080 2081 2082 2083 2084 2085 |
ret = next(dev); mutex_unlock(&dev->dev_lock); return ret; } static int opal_enable_disable_shadow_mbr(struct opal_dev *dev, struct opal_mbr_data *opal_mbr) { |
eed64951f block/sed: Embed ... |
2086 2087 2088 2089 2090 2091 2092 2093 2094 |
const struct opal_step mbr_steps[] = { { opal_discovery0, }, { start_admin1LSP_opal_session, &opal_mbr->key }, { set_mbr_done, &opal_mbr->enable_disable }, { end_opal_session, }, { start_admin1LSP_opal_session, &opal_mbr->key }, { set_mbr_enable_disable, &opal_mbr->enable_disable }, { end_opal_session, }, { NULL, } |
455a7b238 block: Add Sed-op... |
2095 2096 2097 2098 2099 2100 2101 2102 |
}; int ret; if (opal_mbr->enable_disable != OPAL_MBR_ENABLE && opal_mbr->enable_disable != OPAL_MBR_DISABLE) return -EINVAL; mutex_lock(&dev->dev_lock); |
eed64951f block/sed: Embed ... |
2103 |
setup_opal_dev(dev, mbr_steps); |
455a7b238 block: Add Sed-op... |
2104 2105 2106 2107 2108 2109 2110 2111 2112 2113 2114 2115 2116 2117 2118 2119 2120 2121 2122 2123 2124 2125 2126 2127 2128 2129 |
ret = next(dev); mutex_unlock(&dev->dev_lock); return ret; } static int opal_save(struct opal_dev *dev, struct opal_lock_unlock *lk_unlk) { struct opal_suspend_data *suspend; suspend = kzalloc(sizeof(*suspend), GFP_KERNEL); if (!suspend) return -ENOMEM; suspend->unlk = *lk_unlk; suspend->lr = lk_unlk->session.opal_key.lr; mutex_lock(&dev->dev_lock); setup_opal_dev(dev, NULL); add_suspend_info(dev, suspend); mutex_unlock(&dev->dev_lock); return 0; } static int opal_add_user_to_lr(struct opal_dev *dev, struct opal_lock_unlock *lk_unlk) { |
eed64951f block/sed: Embed ... |
2130 2131 2132 2133 2134 2135 |
const struct opal_step steps[] = { { opal_discovery0, }, { start_admin1LSP_opal_session, &lk_unlk->session.opal_key }, { add_user_to_lr, lk_unlk }, { end_opal_session, }, { NULL, } |
455a7b238 block: Add Sed-op... |
2136 2137 2138 2139 2140 |
}; int ret; if (lk_unlk->l_state != OPAL_RO && lk_unlk->l_state != OPAL_RW) { |
591c59d18 block: sed-opal: ... |
2141 2142 |
pr_debug("Locking state was not RO or RW "); |
455a7b238 block: Add Sed-op... |
2143 2144 |
return -EINVAL; } |
b0bfdfc2b block/sed: Fix op... |
2145 |
if (lk_unlk->session.who < OPAL_USER1 || |
455a7b238 block: Add Sed-op... |
2146 |
lk_unlk->session.who > OPAL_USER9) { |
591c59d18 block: sed-opal: ... |
2147 2148 2149 |
pr_debug("Authority was not within the range of users: %d ", lk_unlk->session.who); |
455a7b238 block: Add Sed-op... |
2150 2151 2152 |
return -EINVAL; } if (lk_unlk->session.sum) { |
591c59d18 block: sed-opal: ... |
2153 2154 2155 |
pr_debug("%s not supported in sum. Use setup locking range ", __func__); |
455a7b238 block: Add Sed-op... |
2156 2157 2158 2159 |
return -EINVAL; } mutex_lock(&dev->dev_lock); |
eed64951f block/sed: Embed ... |
2160 |
setup_opal_dev(dev, steps); |
455a7b238 block: Add Sed-op... |
2161 2162 2163 2164 2165 2166 2167 |
ret = next(dev); mutex_unlock(&dev->dev_lock); return ret; } static int opal_reverttper(struct opal_dev *dev, struct opal_key *opal) { |
eed64951f block/sed: Embed ... |
2168 2169 2170 2171 2172 |
const struct opal_step revert_steps[] = { { opal_discovery0, }, { start_SIDASP_opal_session, opal }, { revert_tper, }, /* controller will terminate session */ { NULL, } |
455a7b238 block: Add Sed-op... |
2173 2174 2175 2176 |
}; int ret; mutex_lock(&dev->dev_lock); |
eed64951f block/sed: Embed ... |
2177 |
setup_opal_dev(dev, revert_steps); |
455a7b238 block: Add Sed-op... |
2178 2179 |
ret = next(dev); mutex_unlock(&dev->dev_lock); |
7d6d15789 block/sed-opal: I... |
2180 2181 2182 2183 2184 2185 2186 |
/* * If we successfully reverted lets clean * any saved locking ranges. */ if (!ret) clean_opal_dev(dev); |
455a7b238 block: Add Sed-op... |
2187 2188 |
return ret; } |
eed64951f block/sed: Embed ... |
2189 2190 |
static int __opal_lock_unlock(struct opal_dev *dev, struct opal_lock_unlock *lk_unlk) |
455a7b238 block: Add Sed-op... |
2191 |
{ |
eed64951f block/sed: Embed ... |
2192 2193 2194 2195 2196 2197 |
const struct opal_step unlock_steps[] = { { opal_discovery0, }, { start_auth_opal_session, &lk_unlk->session }, { lock_unlock_locking_range, lk_unlk }, { end_opal_session, }, { NULL, } |
455a7b238 block: Add Sed-op... |
2198 |
}; |
eed64951f block/sed: Embed ... |
2199 2200 2201 2202 2203 2204 |
const struct opal_step unlock_sum_steps[] = { { opal_discovery0, }, { start_auth_opal_session, &lk_unlk->session }, { lock_unlock_locking_range_sum, lk_unlk }, { end_opal_session, }, { NULL, } |
455a7b238 block: Add Sed-op... |
2205 |
}; |
eed64951f block/sed: Embed ... |
2206 |
dev->steps = lk_unlk->session.sum ? unlock_sum_steps : unlock_steps; |
455a7b238 block: Add Sed-op... |
2207 2208 |
return next(dev); } |
dbec491b1 block: sed-opal: ... |
2209 2210 2211 2212 2213 2214 2215 2216 2217 2218 2219 2220 2221 2222 |
static int __opal_set_mbr_done(struct opal_dev *dev, struct opal_key *key) { u8 mbr_done_tf = 1; const struct opal_step mbrdone_step [] = { { opal_discovery0, }, { start_admin1LSP_opal_session, key }, { set_mbr_done, &mbr_done_tf }, { end_opal_session, }, { NULL, } }; dev->steps = mbrdone_step; return next(dev); } |
eed64951f block/sed: Embed ... |
2223 2224 |
static int opal_lock_unlock(struct opal_dev *dev, struct opal_lock_unlock *lk_unlk) |
455a7b238 block: Add Sed-op... |
2225 |
{ |
455a7b238 block: Add Sed-op... |
2226 2227 2228 2229 2230 2231 2232 |
int ret; if (lk_unlk->session.who < OPAL_ADMIN1 || lk_unlk->session.who > OPAL_USER9) return -EINVAL; mutex_lock(&dev->dev_lock); |
eed64951f block/sed: Embed ... |
2233 |
ret = __opal_lock_unlock(dev, lk_unlk); |
455a7b238 block: Add Sed-op... |
2234 2235 2236 2237 2238 2239 |
mutex_unlock(&dev->dev_lock); return ret; } static int opal_take_ownership(struct opal_dev *dev, struct opal_key *opal) { |
eed64951f block/sed: Embed ... |
2240 2241 2242 2243 2244 2245 2246 2247 2248 |
const struct opal_step owner_steps[] = { { opal_discovery0, }, { start_anybodyASP_opal_session, }, { get_msid_cpin_pin, }, { end_opal_session, }, { start_SIDASP_opal_session, opal }, { set_sid_cpin_pin, opal }, { end_opal_session, }, { NULL, } |
455a7b238 block: Add Sed-op... |
2249 |
}; |
455a7b238 block: Add Sed-op... |
2250 2251 2252 2253 2254 2255 |
int ret; if (!dev) return -ENODEV; mutex_lock(&dev->dev_lock); |
eed64951f block/sed: Embed ... |
2256 |
setup_opal_dev(dev, owner_steps); |
455a7b238 block: Add Sed-op... |
2257 2258 2259 2260 2261 2262 2263 |
ret = next(dev); mutex_unlock(&dev->dev_lock); return ret; } static int opal_activate_lsp(struct opal_dev *dev, struct opal_lr_act *opal_lr_act) { |
eed64951f block/sed: Embed ... |
2264 2265 2266 2267 2268 2269 2270 |
const struct opal_step active_steps[] = { { opal_discovery0, }, { start_SIDASP_opal_session, &opal_lr_act->key }, { get_lsp_lifecycle, }, { activate_lsp, opal_lr_act }, { end_opal_session, }, { NULL, } |
455a7b238 block: Add Sed-op... |
2271 2272 2273 2274 2275 2276 2277 |
}; int ret; if (!opal_lr_act->num_lrs || opal_lr_act->num_lrs > OPAL_MAX_LRS) return -EINVAL; mutex_lock(&dev->dev_lock); |
eed64951f block/sed: Embed ... |
2278 |
setup_opal_dev(dev, active_steps); |
455a7b238 block: Add Sed-op... |
2279 2280 2281 2282 2283 2284 2285 2286 |
ret = next(dev); mutex_unlock(&dev->dev_lock); return ret; } static int opal_setup_locking_range(struct opal_dev *dev, struct opal_user_lr_setup *opal_lrs) { |
eed64951f block/sed: Embed ... |
2287 2288 2289 2290 2291 2292 |
const struct opal_step lr_steps[] = { { opal_discovery0, }, { start_auth_opal_session, &opal_lrs->session }, { setup_locking_range, opal_lrs }, { end_opal_session, }, { NULL, } |
455a7b238 block: Add Sed-op... |
2293 2294 2295 2296 |
}; int ret; mutex_lock(&dev->dev_lock); |
eed64951f block/sed: Embed ... |
2297 |
setup_opal_dev(dev, lr_steps); |
455a7b238 block: Add Sed-op... |
2298 2299 2300 2301 2302 2303 2304 |
ret = next(dev); mutex_unlock(&dev->dev_lock); return ret; } static int opal_set_new_pw(struct opal_dev *dev, struct opal_new_pw *opal_pw) { |
eed64951f block/sed: Embed ... |
2305 2306 2307 2308 2309 2310 |
const struct opal_step pw_steps[] = { { opal_discovery0, }, { start_auth_opal_session, &opal_pw->session }, { set_new_pw, &opal_pw->new_user_pw }, { end_opal_session, }, { NULL } |
455a7b238 block: Add Sed-op... |
2311 |
}; |
455a7b238 block: Add Sed-op... |
2312 2313 2314 2315 2316 2317 2318 2319 2320 |
int ret; if (opal_pw->session.who < OPAL_ADMIN1 || opal_pw->session.who > OPAL_USER9 || opal_pw->new_user_pw.who < OPAL_ADMIN1 || opal_pw->new_user_pw.who > OPAL_USER9) return -EINVAL; mutex_lock(&dev->dev_lock); |
eed64951f block/sed: Embed ... |
2321 |
setup_opal_dev(dev, pw_steps); |
455a7b238 block: Add Sed-op... |
2322 2323 2324 2325 2326 2327 2328 2329 |
ret = next(dev); mutex_unlock(&dev->dev_lock); return ret; } static int opal_activate_user(struct opal_dev *dev, struct opal_session_info *opal_session) { |
eed64951f block/sed: Embed ... |
2330 2331 2332 2333 2334 2335 |
const struct opal_step act_steps[] = { { opal_discovery0, }, { start_admin1LSP_opal_session, &opal_session->opal_key }, { internal_activate_user, opal_session }, { end_opal_session, }, { NULL, } |
455a7b238 block: Add Sed-op... |
2336 |
}; |
455a7b238 block: Add Sed-op... |
2337 2338 2339 |
int ret; /* We can't activate Admin1 it's active as manufactured */ |
b0bfdfc2b block/sed: Fix op... |
2340 |
if (opal_session->who < OPAL_USER1 || |
455a7b238 block: Add Sed-op... |
2341 |
opal_session->who > OPAL_USER9) { |
591c59d18 block: sed-opal: ... |
2342 2343 |
pr_debug("Who was not a valid user: %d ", opal_session->who); |
455a7b238 block: Add Sed-op... |
2344 2345 2346 2347 |
return -EINVAL; } mutex_lock(&dev->dev_lock); |
eed64951f block/sed: Embed ... |
2348 |
setup_opal_dev(dev, act_steps); |
455a7b238 block: Add Sed-op... |
2349 2350 2351 2352 2353 2354 2355 2356 |
ret = next(dev); mutex_unlock(&dev->dev_lock); return ret; } bool opal_unlock_from_suspend(struct opal_dev *dev) { struct opal_suspend_data *suspend; |
455a7b238 block: Add Sed-op... |
2357 2358 2359 2360 2361 2362 2363 2364 2365 2366 |
bool was_failure = false; int ret = 0; if (!dev) return false; if (!dev->supported) return false; mutex_lock(&dev->dev_lock); setup_opal_dev(dev, NULL); |
455a7b238 block: Add Sed-op... |
2367 2368 |
list_for_each_entry(suspend, &dev->unlk_lst, node) { |
455a7b238 block: Add Sed-op... |
2369 2370 |
dev->tsn = 0; dev->hsn = 0; |
eed64951f block/sed: Embed ... |
2371 |
ret = __opal_lock_unlock(dev, &suspend->unlk); |
455a7b238 block: Add Sed-op... |
2372 |
if (ret) { |
591c59d18 block: sed-opal: ... |
2373 2374 2375 2376 |
pr_debug("Failed to unlock LR %hhu with sum %d ", suspend->unlk.session.opal_key.lr, suspend->unlk.session.sum); |
455a7b238 block: Add Sed-op... |
2377 2378 |
was_failure = true; } |
dbec491b1 block: sed-opal: ... |
2379 2380 2381 2382 2383 2384 |
if (dev->mbr_enabled) { ret = __opal_set_mbr_done(dev, &suspend->unlk.session.opal_key); if (ret) pr_debug("Failed to set MBR Done in S3 resume "); } |
455a7b238 block: Add Sed-op... |
2385 2386 2387 2388 2389 |
} mutex_unlock(&dev->dev_lock); return was_failure; } EXPORT_SYMBOL(opal_unlock_from_suspend); |
e225c20eb Move stack parame... |
2390 |
int sed_ioctl(struct opal_dev *dev, unsigned int cmd, void __user *arg) |
455a7b238 block: Add Sed-op... |
2391 |
{ |
e225c20eb Move stack parame... |
2392 2393 |
void *p; int ret = -ENOTTY; |
455a7b238 block: Add Sed-op... |
2394 2395 2396 |
if (!capable(CAP_SYS_ADMIN)) return -EACCES; |
4f1244c82 block/sed-opal: a... |
2397 2398 |
if (!dev) return -ENOTSUPP; |
591c59d18 block: sed-opal: ... |
2399 |
if (!dev->supported) |
455a7b238 block: Add Sed-op... |
2400 |
return -ENOTSUPP; |
455a7b238 block: Add Sed-op... |
2401 |
|
eed64951f block/sed: Embed ... |
2402 |
p = memdup_user(arg, _IOC_SIZE(cmd)); |
e225c20eb Move stack parame... |
2403 2404 |
if (IS_ERR(p)) return PTR_ERR(p); |
455a7b238 block: Add Sed-op... |
2405 |
|
e225c20eb Move stack parame... |
2406 2407 2408 2409 2410 2411 2412 2413 2414 2415 2416 2417 2418 2419 2420 2421 2422 2423 2424 2425 2426 2427 2428 2429 2430 2431 2432 2433 2434 2435 2436 2437 2438 2439 2440 2441 2442 |
switch (cmd) { case IOC_OPAL_SAVE: ret = opal_save(dev, p); break; case IOC_OPAL_LOCK_UNLOCK: ret = opal_lock_unlock(dev, p); break; case IOC_OPAL_TAKE_OWNERSHIP: ret = opal_take_ownership(dev, p); break; case IOC_OPAL_ACTIVATE_LSP: ret = opal_activate_lsp(dev, p); break; case IOC_OPAL_SET_PW: ret = opal_set_new_pw(dev, p); break; case IOC_OPAL_ACTIVATE_USR: ret = opal_activate_user(dev, p); break; case IOC_OPAL_REVERT_TPR: ret = opal_reverttper(dev, p); break; case IOC_OPAL_LR_SETUP: ret = opal_setup_locking_range(dev, p); break; case IOC_OPAL_ADD_USR_TO_LR: ret = opal_add_user_to_lr(dev, p); break; case IOC_OPAL_ENABLE_DISABLE_MBR: ret = opal_enable_disable_shadow_mbr(dev, p); break; case IOC_OPAL_ERASE_LR: ret = opal_erase_locking_range(dev, p); break; case IOC_OPAL_SECURE_ERASE_LR: ret = opal_secure_erase_locking_range(dev, p); break; |
455a7b238 block: Add Sed-op... |
2443 |
default: |
591c59d18 block: sed-opal: ... |
2444 |
break; |
455a7b238 block: Add Sed-op... |
2445 |
} |
e225c20eb Move stack parame... |
2446 2447 2448 |
kfree(p); return ret; |
455a7b238 block: Add Sed-op... |
2449 2450 |
} EXPORT_SYMBOL_GPL(sed_ioctl); |