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block/sed-opal.c
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// SPDX-License-Identifier: GPL-2.0 |
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/* * Copyright © 2016 Intel Corporation * * Authors: * Scott Bauer <scott.bauer@intel.com> * Rafael Antognolli <rafael.antognolli@intel.com> |
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*/ #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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/* Number of bytes needed by cmd_finalize. */ #define CMD_FINALIZE_BYTES_NEEDED 7 |
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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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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 */ |
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[OPAL_TABLE_TABLE] = |
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{ 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01 }, |
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[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 }, |
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[OPAL_DATASTORE] = { 0x00, 0x00, 0x10, 0x01, 0x00, 0x00, 0x00, 0x00 }, |
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/* C_PIN_TABLE object ID's */ |
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[OPAL_C_PIN_MSID] = |
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{ 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) */ |
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[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 */ |
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static const u8 opalmethod[][OPAL_METHOD_LENGTH] = { |
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[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); |
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static int opal_discovery0_step(struct opal_dev *dev); |
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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; |
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dev->align = be64_to_cpu(geo->alignment_granularity); dev->lowest_lba = be64_to_cpu(geo->lowest_aligned_lba); |
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} |
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static int execute_step(struct opal_dev *dev, const struct opal_step *step, size_t stepIndex) { int error = step->fn(dev, step->data); if (error) { pr_debug("Step %zu (%pS) failed with error %d: %s ", stepIndex, step->fn, error, opal_error_to_human(error)); } return error; } |
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static int execute_steps(struct opal_dev *dev, const struct opal_step *steps, size_t n_steps) |
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{ |
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size_t state = 0; int error; |
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|
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/* first do a discovery0 */ error = opal_discovery0_step(dev); if (error) return error; |
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|
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for (state = 0; state < n_steps; state++) { error = execute_step(dev, &steps[state], state); |
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if (error) goto out_error; } |
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return 0; out_error: /* |
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* For each OPAL command the first step in steps starts some sort of * session. If an error occurred in the initial discovery0 or if an * error occurred in the first step (and thus stopping the loop with * state == 0) then there was an error before 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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*/ |
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if (state > 0) |
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end_opal_session_error(dev); |
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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; |
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} 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; |
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|
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return opal_discovery0_end(dev); } |
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static int opal_discovery0_step(struct opal_dev *dev) { const struct opal_step discovery0_step = { opal_discovery0, }; |
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|
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return execute_step(dev, &discovery0_step, 0); } |
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static size_t remaining_size(struct opal_dev *cmd) { return IO_BUFFER_LENGTH - cmd->pos; } |
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static bool can_add(int *err, struct opal_dev *cmd, size_t len) |
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{ if (*err) |
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return false; |
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if (remaining_size(cmd) < len) { |
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pr_debug("Error adding %zu bytes: end of buffer. ", len); |
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*err = -ERANGE; |
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return false; |
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} |
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return true; } static void add_token_u8(int *err, struct opal_dev *cmd, u8 tok) { if (!can_add(err, cmd, 1)) return; |
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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; |
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cmd->cmd[cmd->pos++] = header0; cmd->cmd[cmd->pos++] = len; } static void add_token_u64(int *err, struct opal_dev *cmd, u64 number) { |
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size_t len; int msb; |
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if (!(number & ~TINY_ATOM_DATA_MASK)) { add_token_u8(err, cmd, number); return; } |
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msb = fls64(number); len = DIV_ROUND_UP(msb, 8); |
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if (!can_add(err, cmd, len + 1)) { |
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pr_debug("Error adding u64: end of buffer. "); |
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598 599 600 |
return; } add_short_atom_header(cmd, false, false, len); |
5f990d316 block: sed-opal: ... |
601 602 |
while (len--) add_token_u8(err, cmd, number >> (len * 8)); |
455a7b238 block: Add Sed-op... |
603 |
} |
285599590 block: sed-opal: ... |
604 |
static u8 *add_bytestring_header(int *err, struct opal_dev *cmd, size_t len) |
455a7b238 block: Add Sed-op... |
605 606 607 |
{ size_t header_len = 1; bool is_short_atom = true; |
455a7b238 block: Add Sed-op... |
608 609 610 611 |
if (len & ~SHORT_ATOM_LEN_MASK) { header_len = 2; is_short_atom = false; } |
e2821a50b block: sed-opal: ... |
612 |
if (!can_add(err, cmd, header_len + len)) { |
591c59d18 block: sed-opal: ... |
613 614 |
pr_debug("Error adding bytestring: end of buffer. "); |
285599590 block: sed-opal: ... |
615 |
return NULL; |
455a7b238 block: Add Sed-op... |
616 617 618 619 620 621 |
} if (is_short_atom) add_short_atom_header(cmd, true, false, len); else add_medium_atom_header(cmd, true, false, len); |
285599590 block: sed-opal: ... |
622 623 |
return &cmd->cmd[cmd->pos]; } |
455a7b238 block: Add Sed-op... |
624 |
|
285599590 block: sed-opal: ... |
625 626 627 628 629 630 631 632 633 634 |
static void add_token_bytestring(int *err, struct opal_dev *cmd, const u8 *bytestring, size_t len) { u8 *start; start = add_bytestring_header(err, cmd, len); if (!start) return; memcpy(start, bytestring, len); cmd->pos += len; |
455a7b238 block: Add Sed-op... |
635 636 637 638 639 |
} static int build_locking_range(u8 *buffer, size_t length, u8 lr) { if (length > OPAL_UID_LENGTH) { |
591c59d18 block: sed-opal: ... |
640 641 |
pr_debug("Can't build locking range. Length OOB "); |
455a7b238 block: Add Sed-op... |
642 643 644 645 646 647 648 |
return -ERANGE; } memcpy(buffer, opaluid[OPAL_LOCKINGRANGE_GLOBAL], OPAL_UID_LENGTH); if (lr == 0) return 0; |
5cc23ed75 block: sed-opal: ... |
649 |
|
455a7b238 block: Add Sed-op... |
650 651 652 653 654 655 656 657 658 |
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) { |
1e815b33c block: sed-opal: ... |
659 660 |
pr_debug("Can't build locking range user. Length OOB "); |
455a7b238 block: Add Sed-op... |
661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 |
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; |
a9b25b4cf block: sed-opal: ... |
685 686 687 688 689 |
/* * Close the parameter list opened from cmd_start. * The number of bytes added must be equal to * CMD_FINALIZE_BYTES_NEEDED. */ |
78d584ca3 block: sed-opal: ... |
690 |
add_token_u8(&err, cmd, OPAL_ENDLIST); |
455a7b238 block: Add Sed-op... |
691 692 693 694 695 696 697 698 |
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) { |
591c59d18 block: sed-opal: ... |
699 700 |
pr_debug("Error finalizing command. "); |
455a7b238 block: Add Sed-op... |
701 702 703 704 705 706 707 708 709 710 711 |
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) { |
591c59d18 block: sed-opal: ... |
712 713 |
pr_debug("Error: Buffer overrun "); |
455a7b238 block: Add Sed-op... |
714 715 716 717 718 719 720 721 722 723 |
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... |
724 725 726 |
static const struct opal_resp_tok *response_get_token( const struct parsed_resp *resp, int n) |
455a7b238 block: Add Sed-op... |
727 728 |
{ const struct opal_resp_tok *tok; |
7d9b62ae2 block: sed-opal: ... |
729 730 731 732 733 |
if (!resp) { pr_debug("Response is NULL "); return ERR_PTR(-EINVAL); } |
455a7b238 block: Add Sed-op... |
734 |
if (n >= resp->num) { |
591c59d18 block: sed-opal: ... |
735 736 737 |
pr_debug("Token number doesn't exist: %d, resp: %d ", n, resp->num); |
cccb92417 block/sed: Add he... |
738 |
return ERR_PTR(-EINVAL); |
455a7b238 block: Add Sed-op... |
739 740 741 742 |
} tok = &resp->toks[n]; if (tok->len == 0) { |
591c59d18 block: sed-opal: ... |
743 744 |
pr_debug("Token length must be non-zero "); |
cccb92417 block/sed: Add he... |
745 |
return ERR_PTR(-EINVAL); |
455a7b238 block: Add Sed-op... |
746 |
} |
cccb92417 block/sed: Add he... |
747 |
return tok; |
455a7b238 block: Add Sed-op... |
748 |
} |
aedb6e241 block/sed: Use ss... |
749 750 |
static ssize_t response_parse_tiny(struct opal_resp_tok *tok, const u8 *pos) |
455a7b238 block: Add Sed-op... |
751 752 753 754 755 756 757 758 759 760 761 762 763 764 |
{ 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... |
765 766 |
static ssize_t response_parse_short(struct opal_resp_tok *tok, const u8 *pos) |
455a7b238 block: Add Sed-op... |
767 768 769 770 771 772 773 774 775 776 777 |
{ 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... |
778 |
ssize_t i, b = 0; |
455a7b238 block: Add Sed-op... |
779 780 781 |
tok->type = OPAL_DTA_TOKENID_UINT; if (tok->len > 9) { |
591c59d18 block: sed-opal: ... |
782 783 |
pr_debug("uint64 with more than 8 bytes "); |
455a7b238 block: Add Sed-op... |
784 785 786 787 788 789 790 791 792 793 794 |
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... |
795 796 |
static ssize_t response_parse_medium(struct opal_resp_tok *tok, const u8 *pos) |
455a7b238 block: Add Sed-op... |
797 798 799 800 801 802 803 804 805 806 807 808 809 810 |
{ 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... |
811 812 |
static ssize_t response_parse_long(struct opal_resp_tok *tok, const u8 *pos) |
455a7b238 block: Add Sed-op... |
813 814 815 816 817 818 819 820 821 822 823 824 825 826 |
{ 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... |
827 828 |
static ssize_t response_parse_token(struct opal_resp_tok *tok, const u8 *pos) |
455a7b238 block: Add Sed-op... |
829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 |
{ 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... |
845 |
ssize_t token_length; |
455a7b238 block: Add Sed-op... |
846 |
const u8 *pos; |
77039b963 block/sed: Check ... |
847 |
u32 clen, plen, slen; |
455a7b238 block: Add Sed-op... |
848 849 850 851 852 853 854 855 856 857 |
if (!buf) return -EFAULT; if (!resp) return -EFAULT; hdr = (struct opal_header *)buf; pos = buf; pos += sizeof(*hdr); |
77039b963 block/sed: Check ... |
858 859 860 861 862 863 864 865 866 |
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: ... |
867 868 869 |
pr_debug("Bad header length. cp: %u, pkt: %u, subpkt: %u ", clen, plen, slen); |
455a7b238 block: Add Sed-op... |
870 871 872 873 874 875 876 877 |
print_buffer(pos, sizeof(*hdr)); return -EINVAL; } if (pos > buf + length) return -EFAULT; iter = resp->toks; |
77039b963 block/sed: Check ... |
878 |
total = slen; |
455a7b238 block: Add Sed-op... |
879 880 881 882 883 884 885 886 887 888 889 890 |
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... |
891 892 |
if (token_length < 0) return token_length; |
455a7b238 block: Add Sed-op... |
893 894 895 896 897 898 |
pos += token_length; total -= token_length; iter++; num_entries++; } |
455a7b238 block: Add Sed-op... |
899 900 901 902 903 904 905 906 |
resp->num = num_entries; return 0; } static size_t response_get_string(const struct parsed_resp *resp, int n, const char **store) { |
d15e1175a block: sed-opal: ... |
907 |
u8 skip; |
b68f09ecd block: sed-opal: ... |
908 |
const struct opal_resp_tok *tok; |
d15e1175a block: sed-opal: ... |
909 |
|
455a7b238 block: Add Sed-op... |
910 |
*store = NULL; |
b68f09ecd block: sed-opal: ... |
911 912 |
tok = response_get_token(resp, n); if (IS_ERR(tok)) |
455a7b238 block: Add Sed-op... |
913 |
return 0; |
455a7b238 block: Add Sed-op... |
914 |
|
b68f09ecd block: sed-opal: ... |
915 |
if (tok->type != OPAL_DTA_TOKENID_BYTESTRING) { |
591c59d18 block: sed-opal: ... |
916 917 |
pr_debug("Token is not a byte string! "); |
455a7b238 block: Add Sed-op... |
918 919 |
return 0; } |
b68f09ecd block: sed-opal: ... |
920 |
switch (tok->width) { |
d15e1175a block: sed-opal: ... |
921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 |
case OPAL_WIDTH_TINY: case OPAL_WIDTH_SHORT: skip = 1; break; case OPAL_WIDTH_MEDIUM: skip = 2; break; case OPAL_WIDTH_LONG: skip = 4; break; default: pr_debug("Token has invalid width! "); return 0; } |
b68f09ecd block: sed-opal: ... |
936 |
*store = tok->pos + skip; |
5cc23ed75 block: sed-opal: ... |
937 |
|
b68f09ecd block: sed-opal: ... |
938 |
return tok->len - skip; |
455a7b238 block: Add Sed-op... |
939 940 941 942 |
} static u64 response_get_u64(const struct parsed_resp *resp, int n) { |
b68f09ecd block: sed-opal: ... |
943 |
const struct opal_resp_tok *tok; |
455a7b238 block: Add Sed-op... |
944 |
|
b68f09ecd block: sed-opal: ... |
945 946 |
tok = response_get_token(resp, n); if (IS_ERR(tok)) |
455a7b238 block: Add Sed-op... |
947 |
return 0; |
455a7b238 block: Add Sed-op... |
948 |
|
b68f09ecd block: sed-opal: ... |
949 950 951 |
if (tok->type != OPAL_DTA_TOKENID_UINT) { pr_debug("Token is not unsigned int: %d ", tok->type); |
455a7b238 block: Add Sed-op... |
952 953 |
return 0; } |
b68f09ecd block: sed-opal: ... |
954 955 956 |
if (tok->width != OPAL_WIDTH_TINY && tok->width != OPAL_WIDTH_SHORT) { pr_debug("Atom is not short or tiny: %d ", tok->width); |
455a7b238 block: Add Sed-op... |
957 958 |
return 0; } |
b68f09ecd block: sed-opal: ... |
959 |
return tok->stored.u; |
455a7b238 block: Add Sed-op... |
960 |
} |
cccb92417 block/sed: Add he... |
961 962 963 964 965 966 967 968 |
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... |
969 970 |
static u8 response_status(const struct parsed_resp *resp) { |
cccb92417 block/sed: Add he... |
971 972 973 974 |
const struct opal_resp_tok *tok; tok = response_get_token(resp, 0); if (response_token_matches(tok, OPAL_ENDOFSESSION)) |
455a7b238 block: Add Sed-op... |
975 |
return 0; |
455a7b238 block: Add Sed-op... |
976 977 978 |
if (resp->num < 5) return DTAERROR_NO_METHOD_STATUS; |
cccb92417 block/sed: Add he... |
979 980 981 982 983 984 |
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... |
985 986 987 988 989 990 991 992 993 994 995 996 997 998 |
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: ... |
999 1000 |
pr_debug("Couldn't parse response. "); |
455a7b238 block: Add Sed-op... |
1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 |
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); } |
e8b292245 block: sed-opal: ... |
1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 |
static int cmd_start(struct opal_dev *dev, const u8 *uid, const u8 *method) { int err = 0; clear_opal_cmd(dev); set_comid(dev, dev->comid); add_token_u8(&err, dev, OPAL_CALL); add_token_bytestring(&err, dev, uid, OPAL_UID_LENGTH); add_token_bytestring(&err, dev, method, OPAL_METHOD_LENGTH); /* * Every method call is followed by its parameters enclosed within * OPAL_STARTLIST and OPAL_ENDLIST tokens. We automatically open the * parameter list here and close it later in cmd_finalize. */ add_token_u8(&err, dev, OPAL_STARTLIST); return err; } |
455a7b238 block: Add Sed-op... |
1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 |
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); |
88d6041d0 block: sed-opal: ... |
1043 |
if (hsn != GENERIC_HOST_SESSION_NUM || tsn < FIRST_TPER_SESSION_NUM) { |
591c59d18 block: sed-opal: ... |
1044 1045 |
pr_debug("Couldn't authenticate session "); |
455a7b238 block: Add Sed-op... |
1046 1047 1048 1049 1050 |
return -EPERM; } dev->hsn = hsn; dev->tsn = tsn; |
5cc23ed75 block: sed-opal: ... |
1051 |
|
455a7b238 block: Add Sed-op... |
1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 |
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; |
5cc23ed75 block: sed-opal: ... |
1074 |
|
455a7b238 block: Add Sed-op... |
1075 1076 1077 1078 1079 1080 1081 1082 1083 |
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: ... |
1084 1085 |
pr_debug("Error finalizing command buffer: %d ", ret); |
455a7b238 block: Add Sed-op... |
1086 1087 1088 1089 1090 1091 1092 |
return ret; } print_buffer(dev->cmd, dev->pos); return opal_send_recv(dev, cont); } |
3fff234b8 block: sed-opal: ... |
1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 |
/* * request @column from table @table on device @dev. On success, the column * data will be available in dev->resp->tok[4] */ static int generic_get_column(struct opal_dev *dev, const u8 *table, u64 column) { int err; err = cmd_start(dev, table, opalmethod[OPAL_GET]); add_token_u8(&err, dev, OPAL_STARTLIST); add_token_u8(&err, dev, OPAL_STARTNAME); add_token_u8(&err, dev, OPAL_STARTCOLUMN); add_token_u64(&err, dev, column); add_token_u8(&err, dev, OPAL_ENDNAME); add_token_u8(&err, dev, OPAL_STARTNAME); add_token_u8(&err, dev, OPAL_ENDCOLUMN); add_token_u64(&err, dev, column); add_token_u8(&err, dev, OPAL_ENDNAME); add_token_u8(&err, dev, OPAL_ENDLIST); if (err) return err; return finalize_and_send(dev, parse_and_check_status); } |
ff91064ea block: sed-opal: ... |
1123 1124 1125 1126 1127 |
/* * see TCG SAS 5.3.2.3 for a description of the available columns * * the result is provided in dev->resp->tok[4] */ |
3495ea1b5 block: sed-opal: ... |
1128 |
static int generic_get_table_info(struct opal_dev *dev, const u8 *table_uid, |
ff91064ea block: sed-opal: ... |
1129 1130 1131 |
u64 column) { u8 uid[OPAL_UID_LENGTH]; |
3495ea1b5 block: sed-opal: ... |
1132 |
const unsigned int half = OPAL_UID_LENGTH_HALF; |
ff91064ea block: sed-opal: ... |
1133 1134 1135 1136 1137 1138 1139 1140 |
/* sed-opal UIDs can be split in two halves: * first: actual table index * second: relative index in the table * so we have to get the first half of the OPAL_TABLE_TABLE and use the * first part of the target table as relative index into that table */ memcpy(uid, opaluid[OPAL_TABLE_TABLE], half); |
3495ea1b5 block: sed-opal: ... |
1141 |
memcpy(uid + half, table_uid, half); |
ff91064ea block: sed-opal: ... |
1142 1143 1144 |
return generic_get_column(dev, uid, column); } |
eed64951f block/sed: Embed ... |
1145 |
static int gen_key(struct opal_dev *dev, void *data) |
455a7b238 block: Add Sed-op... |
1146 |
{ |
455a7b238 block: Add Sed-op... |
1147 |
u8 uid[OPAL_UID_LENGTH]; |
e8b292245 block: sed-opal: ... |
1148 |
int err; |
455a7b238 block: Add Sed-op... |
1149 1150 |
memcpy(uid, dev->prev_data, min(sizeof(uid), dev->prev_d_len)); |
455a7b238 block: Add Sed-op... |
1151 1152 |
kfree(dev->prev_data); dev->prev_data = NULL; |
e8b292245 block: sed-opal: ... |
1153 |
err = cmd_start(dev, uid, opalmethod[OPAL_GENKEY]); |
455a7b238 block: Add Sed-op... |
1154 1155 |
if (err) { |
591c59d18 block: sed-opal: ... |
1156 1157 |
pr_debug("Error building gen key command "); |
455a7b238 block: Add Sed-op... |
1158 1159 1160 |
return err; } |
5cc23ed75 block: sed-opal: ... |
1161 |
|
455a7b238 block: Add Sed-op... |
1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 |
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; |
5cc23ed75 block: sed-opal: ... |
1174 |
|
455a7b238 block: Add Sed-op... |
1175 1176 |
keylen = response_get_string(&dev->parsed, 4, &activekey); if (!activekey) { |
591c59d18 block: sed-opal: ... |
1177 1178 1179 |
pr_debug("%s: Couldn't extract the Activekey from the response ", __func__); |
455a7b238 block: Add Sed-op... |
1180 1181 |
return OPAL_INVAL_PARAM; } |
5cc23ed75 block: sed-opal: ... |
1182 |
|
455a7b238 block: Add Sed-op... |
1183 1184 1185 1186 1187 1188 1189 1190 1191 |
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 ... |
1192 |
static int get_active_key(struct opal_dev *dev, void *data) |
455a7b238 block: Add Sed-op... |
1193 1194 |
{ u8 uid[OPAL_UID_LENGTH]; |
e8b292245 block: sed-opal: ... |
1195 |
int err; |
eed64951f block/sed: Embed ... |
1196 |
u8 *lr = data; |
455a7b238 block: Add Sed-op... |
1197 |
|
455a7b238 block: Add Sed-op... |
1198 1199 1200 |
err = build_locking_range(uid, sizeof(uid), *lr); if (err) return err; |
3fff234b8 block: sed-opal: ... |
1201 1202 |
err = generic_get_column(dev, uid, OPAL_ACTIVEKEY); if (err) |
455a7b238 block: Add Sed-op... |
1203 |
return err; |
455a7b238 block: Add Sed-op... |
1204 |
|
3fff234b8 block: sed-opal: ... |
1205 |
return get_active_key_cont(dev); |
455a7b238 block: Add Sed-op... |
1206 |
} |
3495ea1b5 block: sed-opal: ... |
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 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 |
static int generic_table_write_data(struct opal_dev *dev, const u64 data, u64 offset, u64 size, const u8 *uid) { const u8 __user *src = (u8 __user *)(uintptr_t)data; u8 *dst; u64 len; size_t off = 0; int err; /* do we fit in the available space? */ err = generic_get_table_info(dev, uid, OPAL_TABLE_ROWS); if (err) { pr_debug("Couldn't get the table size "); return err; } len = response_get_u64(&dev->parsed, 4); if (size > len || offset > len - size) { pr_debug("Does not fit in the table (%llu vs. %llu) ", offset + size, len); return -ENOSPC; } /* do the actual transmission(s) */ while (off < size) { err = cmd_start(dev, uid, opalmethod[OPAL_SET]); add_token_u8(&err, dev, OPAL_STARTNAME); add_token_u8(&err, dev, OPAL_WHERE); add_token_u64(&err, dev, offset + off); add_token_u8(&err, dev, OPAL_ENDNAME); add_token_u8(&err, dev, OPAL_STARTNAME); add_token_u8(&err, dev, OPAL_VALUES); /* * The bytestring header is either 1 or 2 bytes, so assume 2. * There also needs to be enough space to accommodate the * trailing OPAL_ENDNAME (1 byte) and tokens added by * cmd_finalize. */ len = min(remaining_size(dev) - (2+1+CMD_FINALIZE_BYTES_NEEDED), (size_t)(size - off)); pr_debug("Write bytes %zu+%llu/%llu ", off, len, size); dst = add_bytestring_header(&err, dev, len); if (!dst) break; if (copy_from_user(dst, src + off, len)) { err = -EFAULT; break; } dev->pos += len; add_token_u8(&err, dev, OPAL_ENDNAME); if (err) break; err = finalize_and_send(dev, parse_and_check_status); if (err) break; off += len; } return err; } |
455a7b238 block: Add Sed-op... |
1278 1279 1280 1281 |
static int generic_lr_enable_disable(struct opal_dev *dev, u8 *uid, bool rle, bool wle, bool rl, bool wl) { |
e8b292245 block: sed-opal: ... |
1282 |
int err; |
455a7b238 block: Add Sed-op... |
1283 |
|
e8b292245 block: sed-opal: ... |
1284 |
err = cmd_start(dev, uid, opalmethod[OPAL_SET]); |
455a7b238 block: Add Sed-op... |
1285 |
|
455a7b238 block: Add Sed-op... |
1286 1287 1288 1289 1290 |
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); |
372be4084 block: sed-opal: ... |
1291 |
add_token_u8(&err, dev, OPAL_READLOCKENABLED); |
455a7b238 block: Add Sed-op... |
1292 1293 1294 1295 |
add_token_u8(&err, dev, rle); add_token_u8(&err, dev, OPAL_ENDNAME); add_token_u8(&err, dev, OPAL_STARTNAME); |
372be4084 block: sed-opal: ... |
1296 |
add_token_u8(&err, dev, OPAL_WRITELOCKENABLED); |
455a7b238 block: Add Sed-op... |
1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 |
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); |
5cc23ed75 block: sed-opal: ... |
1312 |
|
455a7b238 block: Add Sed-op... |
1313 1314 1315 1316 1317 1318 1319 1320 1321 1322 1323 |
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: ... |
1324 1325 |
pr_debug("Failed to create enable global lr command "); |
5cc23ed75 block: sed-opal: ... |
1326 |
|
455a7b238 block: Add Sed-op... |
1327 1328 |
return err; } |
eed64951f block/sed: Embed ... |
1329 |
static int setup_locking_range(struct opal_dev *dev, void *data) |
455a7b238 block: Add Sed-op... |
1330 1331 |
{ u8 uid[OPAL_UID_LENGTH]; |
eed64951f block/sed: Embed ... |
1332 |
struct opal_user_lr_setup *setup = data; |
455a7b238 block: Add Sed-op... |
1333 |
u8 lr; |
e8b292245 block: sed-opal: ... |
1334 |
int err; |
455a7b238 block: Add Sed-op... |
1335 |
|
455a7b238 block: Add Sed-op... |
1336 1337 1338 1339 1340 1341 1342 1343 |
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 { |
e8b292245 block: sed-opal: ... |
1344 |
err = cmd_start(dev, uid, opalmethod[OPAL_SET]); |
455a7b238 block: Add Sed-op... |
1345 |
|
455a7b238 block: Add Sed-op... |
1346 1347 1348 1349 1350 |
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); |
372be4084 block: sed-opal: ... |
1351 |
add_token_u8(&err, dev, OPAL_RANGESTART); |
455a7b238 block: Add Sed-op... |
1352 1353 1354 1355 |
add_token_u64(&err, dev, setup->range_start); add_token_u8(&err, dev, OPAL_ENDNAME); add_token_u8(&err, dev, OPAL_STARTNAME); |
372be4084 block: sed-opal: ... |
1356 |
add_token_u8(&err, dev, OPAL_RANGELENGTH); |
455a7b238 block: Add Sed-op... |
1357 1358 1359 1360 |
add_token_u64(&err, dev, setup->range_length); add_token_u8(&err, dev, OPAL_ENDNAME); add_token_u8(&err, dev, OPAL_STARTNAME); |
372be4084 block: sed-opal: ... |
1361 |
add_token_u8(&err, dev, OPAL_READLOCKENABLED); |
455a7b238 block: Add Sed-op... |
1362 1363 1364 1365 |
add_token_u64(&err, dev, !!setup->RLE); add_token_u8(&err, dev, OPAL_ENDNAME); add_token_u8(&err, dev, OPAL_STARTNAME); |
372be4084 block: sed-opal: ... |
1366 |
add_token_u8(&err, dev, OPAL_WRITELOCKENABLED); |
455a7b238 block: Add Sed-op... |
1367 1368 1369 1370 1371 |
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); |
455a7b238 block: Add Sed-op... |
1372 1373 |
} if (err) { |
591c59d18 block: sed-opal: ... |
1374 1375 |
pr_debug("Error building Setup Locking range command. "); |
455a7b238 block: Add Sed-op... |
1376 |
return err; |
455a7b238 block: Add Sed-op... |
1377 1378 1379 1380 1381 1382 1383 1384 1385 1386 1387 1388 |
} 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; |
e8b292245 block: sed-opal: ... |
1389 |
int err; |
455a7b238 block: Add Sed-op... |
1390 |
|
591c59d18 block: sed-opal: ... |
1391 |
if (key == NULL && auth != OPAL_ANYBODY_UID) |
455a7b238 block: Add Sed-op... |
1392 |
return OPAL_INVAL_PARAM; |
455a7b238 block: Add Sed-op... |
1393 |
|
455a7b238 block: Add Sed-op... |
1394 |
hsn = GENERIC_HOST_SESSION_NUM; |
e8b292245 block: sed-opal: ... |
1395 1396 |
err = cmd_start(dev, opaluid[OPAL_SMUID_UID], opalmethod[OPAL_STARTSESSION]); |
455a7b238 block: Add Sed-op... |
1397 |
|
455a7b238 block: Add Sed-op... |
1398 1399 1400 1401 1402 1403 |
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: |
455a7b238 block: Add Sed-op... |
1404 1405 1406 |
break; case OPAL_ADMIN1_UID: case OPAL_SID_UID: |
5e4c7cf60 block: sed-opal: ... |
1407 |
case OPAL_PSID_UID: |
455a7b238 block: Add Sed-op... |
1408 1409 1410 1411 1412 1413 1414 1415 1416 |
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); |
455a7b238 block: Add Sed-op... |
1417 1418 |
break; default: |
591c59d18 block: sed-opal: ... |
1419 1420 |
pr_debug("Cannot start Admin SP session with auth %d ", auth); |
455a7b238 block: Add Sed-op... |
1421 1422 1423 1424 |
return OPAL_INVAL_PARAM; } if (err) { |
591c59d18 block: sed-opal: ... |
1425 1426 |
pr_debug("Error building start adminsp session command. "); |
455a7b238 block: Add Sed-op... |
1427 1428 1429 1430 1431 |
return err; } return finalize_and_send(dev, start_opal_session_cont); } |
eed64951f block/sed: Embed ... |
1432 |
static int start_anybodyASP_opal_session(struct opal_dev *dev, void *data) |
455a7b238 block: Add Sed-op... |
1433 1434 1435 1436 |
{ return start_generic_opal_session(dev, OPAL_ANYBODY_UID, OPAL_ADMINSP_UID, NULL, 0); } |
eed64951f block/sed: Embed ... |
1437 |
static int start_SIDASP_opal_session(struct opal_dev *dev, void *data) |
455a7b238 block: Add Sed-op... |
1438 1439 1440 |
{ int ret; const u8 *key = dev->prev_data; |
455a7b238 block: Add Sed-op... |
1441 1442 |
if (!key) { |
eed64951f block/sed: Embed ... |
1443 |
const struct opal_key *okey = data; |
1e815b33c block: sed-opal: ... |
1444 |
|
455a7b238 block: Add Sed-op... |
1445 1446 1447 1448 1449 1450 1451 1452 1453 1454 1455 |
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; } |
5cc23ed75 block: sed-opal: ... |
1456 |
|
455a7b238 block: Add Sed-op... |
1457 1458 |
return ret; } |
eed64951f block/sed: Embed ... |
1459 |
static int start_admin1LSP_opal_session(struct opal_dev *dev, void *data) |
455a7b238 block: Add Sed-op... |
1460 |
{ |
eed64951f block/sed: Embed ... |
1461 |
struct opal_key *key = data; |
1e815b33c block: sed-opal: ... |
1462 |
|
455a7b238 block: Add Sed-op... |
1463 1464 1465 1466 |
return start_generic_opal_session(dev, OPAL_ADMIN1_UID, OPAL_LOCKINGSP_UID, key->key, key->key_len); } |
5e4c7cf60 block: sed-opal: ... |
1467 1468 1469 1470 1471 1472 1473 1474 1475 |
static int start_PSID_opal_session(struct opal_dev *dev, void *data) { const struct opal_key *okey = data; return start_generic_opal_session(dev, OPAL_PSID_UID, OPAL_ADMINSP_UID, okey->key, okey->key_len); } |
eed64951f block/sed: Embed ... |
1476 |
static int start_auth_opal_session(struct opal_dev *dev, void *data) |
455a7b238 block: Add Sed-op... |
1477 |
{ |
eed64951f block/sed: Embed ... |
1478 |
struct opal_session_info *session = data; |
455a7b238 block: Add Sed-op... |
1479 |
u8 lk_ul_user[OPAL_UID_LENGTH]; |
eed64951f block/sed: Embed ... |
1480 |
size_t keylen = session->opal_key.key_len; |
455a7b238 block: Add Sed-op... |
1481 |
int err = 0; |
455a7b238 block: Add Sed-op... |
1482 1483 |
u8 *key = session->opal_key.key; u32 hsn = GENERIC_HOST_SESSION_NUM; |
e8b292245 block: sed-opal: ... |
1484 |
if (session->sum) |
455a7b238 block: Add Sed-op... |
1485 1486 |
err = build_locking_user(lk_ul_user, sizeof(lk_ul_user), session->opal_key.lr); |
e8b292245 block: sed-opal: ... |
1487 |
else if (session->who != OPAL_ADMIN1 && !session->sum) |
455a7b238 block: Add Sed-op... |
1488 1489 |
err = build_locking_user(lk_ul_user, sizeof(lk_ul_user), session->who - 1); |
e8b292245 block: sed-opal: ... |
1490 |
else |
455a7b238 block: Add Sed-op... |
1491 |
memcpy(lk_ul_user, opaluid[OPAL_ADMIN1_UID], OPAL_UID_LENGTH); |
e8b292245 block: sed-opal: ... |
1492 1493 1494 1495 1496 |
if (err) return err; err = cmd_start(dev, opaluid[OPAL_SMUID_UID], opalmethod[OPAL_STARTSESSION]); |
455a7b238 block: Add Sed-op... |
1497 |
|
455a7b238 block: Add Sed-op... |
1498 1499 1500 1501 1502 1503 1504 1505 1506 1507 1508 1509 |
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); |
455a7b238 block: Add Sed-op... |
1510 1511 |
if (err) { |
591c59d18 block: sed-opal: ... |
1512 1513 |
pr_debug("Error building STARTSESSION command. "); |
455a7b238 block: Add Sed-op... |
1514 1515 1516 1517 1518 |
return err; } return finalize_and_send(dev, start_opal_session_cont); } |
eed64951f block/sed: Embed ... |
1519 |
static int revert_tper(struct opal_dev *dev, void *data) |
455a7b238 block: Add Sed-op... |
1520 |
{ |
e8b292245 block: sed-opal: ... |
1521 |
int err; |
455a7b238 block: Add Sed-op... |
1522 |
|
e8b292245 block: sed-opal: ... |
1523 1524 |
err = cmd_start(dev, opaluid[OPAL_ADMINSP_UID], opalmethod[OPAL_REVERT]); |
455a7b238 block: Add Sed-op... |
1525 |
if (err) { |
591c59d18 block: sed-opal: ... |
1526 1527 |
pr_debug("Error building REVERT TPER command. "); |
455a7b238 block: Add Sed-op... |
1528 1529 1530 1531 1532 |
return err; } return finalize_and_send(dev, parse_and_check_status); } |
eed64951f block/sed: Embed ... |
1533 |
static int internal_activate_user(struct opal_dev *dev, void *data) |
455a7b238 block: Add Sed-op... |
1534 |
{ |
eed64951f block/sed: Embed ... |
1535 |
struct opal_session_info *session = data; |
455a7b238 block: Add Sed-op... |
1536 |
u8 uid[OPAL_UID_LENGTH]; |
e8b292245 block: sed-opal: ... |
1537 |
int err; |
455a7b238 block: Add Sed-op... |
1538 1539 1540 |
memcpy(uid, opaluid[OPAL_USER1_UID], OPAL_UID_LENGTH); uid[7] = session->who; |
e8b292245 block: sed-opal: ... |
1541 |
err = cmd_start(dev, uid, opalmethod[OPAL_SET]); |
455a7b238 block: Add Sed-op... |
1542 1543 1544 1545 1546 1547 1548 1549 1550 |
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); |
455a7b238 block: Add Sed-op... |
1551 1552 |
if (err) { |
591c59d18 block: sed-opal: ... |
1553 1554 |
pr_debug("Error building Activate UserN command. "); |
455a7b238 block: Add Sed-op... |
1555 1556 1557 1558 1559 |
return err; } return finalize_and_send(dev, parse_and_check_status); } |
eed64951f block/sed: Embed ... |
1560 |
static int erase_locking_range(struct opal_dev *dev, void *data) |
455a7b238 block: Add Sed-op... |
1561 |
{ |
eed64951f block/sed: Embed ... |
1562 |
struct opal_session_info *session = data; |
455a7b238 block: Add Sed-op... |
1563 |
u8 uid[OPAL_UID_LENGTH]; |
e8b292245 block: sed-opal: ... |
1564 |
int err; |
455a7b238 block: Add Sed-op... |
1565 1566 1567 |
if (build_locking_range(uid, sizeof(uid), session->opal_key.lr) < 0) return -ERANGE; |
e8b292245 block: sed-opal: ... |
1568 |
err = cmd_start(dev, uid, opalmethod[OPAL_ERASE]); |
455a7b238 block: Add Sed-op... |
1569 1570 |
if (err) { |
591c59d18 block: sed-opal: ... |
1571 1572 |
pr_debug("Error building Erase Locking Range Command. "); |
455a7b238 block: Add Sed-op... |
1573 1574 |
return err; } |
5cc23ed75 block: sed-opal: ... |
1575 |
|
455a7b238 block: Add Sed-op... |
1576 1577 |
return finalize_and_send(dev, parse_and_check_status); } |
eed64951f block/sed: Embed ... |
1578 |
static int set_mbr_done(struct opal_dev *dev, void *data) |
455a7b238 block: Add Sed-op... |
1579 |
{ |
eed64951f block/sed: Embed ... |
1580 |
u8 *mbr_done_tf = data; |
e8b292245 block: sed-opal: ... |
1581 |
int err; |
455a7b238 block: Add Sed-op... |
1582 |
|
e8b292245 block: sed-opal: ... |
1583 1584 |
err = cmd_start(dev, opaluid[OPAL_MBRCONTROL], opalmethod[OPAL_SET]); |
455a7b238 block: Add Sed-op... |
1585 |
|
455a7b238 block: Add Sed-op... |
1586 1587 1588 1589 |
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); |
372be4084 block: sed-opal: ... |
1590 |
add_token_u8(&err, dev, OPAL_MBRDONE); |
eed64951f block/sed: Embed ... |
1591 |
add_token_u8(&err, dev, *mbr_done_tf); /* Done T or F */ |
455a7b238 block: Add Sed-op... |
1592 1593 1594 |
add_token_u8(&err, dev, OPAL_ENDNAME); add_token_u8(&err, dev, OPAL_ENDLIST); add_token_u8(&err, dev, OPAL_ENDNAME); |
455a7b238 block: Add Sed-op... |
1595 1596 |
if (err) { |
591c59d18 block: sed-opal: ... |
1597 1598 |
pr_debug("Error Building set MBR Done command "); |
455a7b238 block: Add Sed-op... |
1599 1600 1601 1602 1603 |
return err; } return finalize_and_send(dev, parse_and_check_status); } |
eed64951f block/sed: Embed ... |
1604 |
static int set_mbr_enable_disable(struct opal_dev *dev, void *data) |
455a7b238 block: Add Sed-op... |
1605 |
{ |
eed64951f block/sed: Embed ... |
1606 |
u8 *mbr_en_dis = data; |
e8b292245 block: sed-opal: ... |
1607 |
int err; |
455a7b238 block: Add Sed-op... |
1608 |
|
e8b292245 block: sed-opal: ... |
1609 1610 |
err = cmd_start(dev, opaluid[OPAL_MBRCONTROL], opalmethod[OPAL_SET]); |
455a7b238 block: Add Sed-op... |
1611 |
|
455a7b238 block: Add Sed-op... |
1612 1613 1614 1615 |
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); |
372be4084 block: sed-opal: ... |
1616 |
add_token_u8(&err, dev, OPAL_MBRENABLE); |
eed64951f block/sed: Embed ... |
1617 |
add_token_u8(&err, dev, *mbr_en_dis); |
455a7b238 block: Add Sed-op... |
1618 1619 1620 |
add_token_u8(&err, dev, OPAL_ENDNAME); add_token_u8(&err, dev, OPAL_ENDLIST); add_token_u8(&err, dev, OPAL_ENDNAME); |
455a7b238 block: Add Sed-op... |
1621 1622 |
if (err) { |
591c59d18 block: sed-opal: ... |
1623 1624 |
pr_debug("Error Building set MBR done command "); |
455a7b238 block: Add Sed-op... |
1625 1626 1627 1628 1629 |
return err; } return finalize_and_send(dev, parse_and_check_status); } |
a9b25b4cf block: sed-opal: ... |
1630 1631 1632 |
static int write_shadow_mbr(struct opal_dev *dev, void *data) { struct opal_shadow_mbr *shadow = data; |
a9b25b4cf block: sed-opal: ... |
1633 |
|
3495ea1b5 block: sed-opal: ... |
1634 1635 |
return generic_table_write_data(dev, shadow->data, shadow->offset, shadow->size, opaluid[OPAL_MBR]); |
a9b25b4cf block: sed-opal: ... |
1636 |
} |
455a7b238 block: Add Sed-op... |
1637 1638 1639 |
static int generic_pw_cmd(u8 *key, size_t key_len, u8 *cpin_uid, struct opal_dev *dev) { |
e8b292245 block: sed-opal: ... |
1640 |
int err; |
455a7b238 block: Add Sed-op... |
1641 |
|
e8b292245 block: sed-opal: ... |
1642 |
err = cmd_start(dev, cpin_uid, opalmethod[OPAL_SET]); |
455a7b238 block: Add Sed-op... |
1643 |
|
455a7b238 block: Add Sed-op... |
1644 1645 1646 1647 |
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); |
372be4084 block: sed-opal: ... |
1648 |
add_token_u8(&err, dev, OPAL_PIN); |
455a7b238 block: Add Sed-op... |
1649 1650 1651 1652 |
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); |
455a7b238 block: Add Sed-op... |
1653 1654 1655 |
return err; } |
eed64951f block/sed: Embed ... |
1656 |
static int set_new_pw(struct opal_dev *dev, void *data) |
455a7b238 block: Add Sed-op... |
1657 1658 |
{ u8 cpin_uid[OPAL_UID_LENGTH]; |
eed64951f block/sed: Embed ... |
1659 |
struct opal_session_info *usr = data; |
455a7b238 block: Add Sed-op... |
1660 1661 1662 1663 1664 1665 1666 1667 1668 1669 1670 1671 1672 |
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: ... |
1673 1674 |
pr_debug("Error building set password command. "); |
455a7b238 block: Add Sed-op... |
1675 1676 1677 1678 1679 |
return -ERANGE; } return finalize_and_send(dev, parse_and_check_status); } |
eed64951f block/sed: Embed ... |
1680 |
static int set_sid_cpin_pin(struct opal_dev *dev, void *data) |
455a7b238 block: Add Sed-op... |
1681 1682 |
{ u8 cpin_uid[OPAL_UID_LENGTH]; |
eed64951f block/sed: Embed ... |
1683 |
struct opal_key *key = data; |
455a7b238 block: Add Sed-op... |
1684 1685 1686 1687 |
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: ... |
1688 1689 |
pr_debug("Error building Set SID cpin "); |
455a7b238 block: Add Sed-op... |
1690 1691 1692 1693 |
return -ERANGE; } return finalize_and_send(dev, parse_and_check_status); } |
eed64951f block/sed: Embed ... |
1694 |
static int add_user_to_lr(struct opal_dev *dev, void *data) |
455a7b238 block: Add Sed-op... |
1695 1696 1697 |
{ u8 lr_buffer[OPAL_UID_LENGTH]; u8 user_uid[OPAL_UID_LENGTH]; |
eed64951f block/sed: Embed ... |
1698 |
struct opal_lock_unlock *lkul = data; |
e8b292245 block: sed-opal: ... |
1699 |
int err; |
455a7b238 block: Add Sed-op... |
1700 |
|
455a7b238 block: Add Sed-op... |
1701 1702 1703 1704 1705 1706 1707 1708 1709 1710 1711 1712 |
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; |
e8b292245 block: sed-opal: ... |
1713 |
err = cmd_start(dev, lr_buffer, opalmethod[OPAL_SET]); |
455a7b238 block: Add Sed-op... |
1714 |
|
455a7b238 block: Add Sed-op... |
1715 1716 1717 1718 1719 1720 1721 1722 1723 1724 1725 1726 1727 1728 1729 1730 1731 1732 1733 1734 1735 1736 1737 1738 1739 1740 1741 1742 1743 1744 1745 1746 1747 1748 1749 1750 1751 |
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); |
455a7b238 block: Add Sed-op... |
1752 1753 |
if (err) { |
591c59d18 block: sed-opal: ... |
1754 1755 |
pr_debug("Error building add user to locking range command. "); |
455a7b238 block: Add Sed-op... |
1756 1757 1758 1759 1760 |
return err; } return finalize_and_send(dev, parse_and_check_status); } |
eed64951f block/sed: Embed ... |
1761 |
static int lock_unlock_locking_range(struct opal_dev *dev, void *data) |
455a7b238 block: Add Sed-op... |
1762 1763 |
{ u8 lr_buffer[OPAL_UID_LENGTH]; |
eed64951f block/sed: Embed ... |
1764 |
struct opal_lock_unlock *lkul = data; |
455a7b238 block: Add Sed-op... |
1765 1766 |
u8 read_locked = 1, write_locked = 1; int err = 0; |
455a7b238 block: Add Sed-op... |
1767 1768 1769 1770 1771 1772 1773 1774 1775 1776 1777 1778 1779 1780 |
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: |
1e815b33c block: sed-opal: ... |
1781 |
/* vars are initialized to locked */ |
455a7b238 block: Add Sed-op... |
1782 1783 |
break; default: |
591c59d18 block: sed-opal: ... |
1784 1785 |
pr_debug("Tried to set an invalid locking state... returning to uland "); |
455a7b238 block: Add Sed-op... |
1786 1787 |
return OPAL_INVAL_PARAM; } |
e8b292245 block: sed-opal: ... |
1788 |
err = cmd_start(dev, lr_buffer, opalmethod[OPAL_SET]); |
455a7b238 block: Add Sed-op... |
1789 1790 1791 1792 1793 1794 1795 1796 1797 1798 1799 1800 1801 1802 1803 1804 |
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); |
455a7b238 block: Add Sed-op... |
1805 1806 |
if (err) { |
591c59d18 block: sed-opal: ... |
1807 1808 |
pr_debug("Error building SET command. "); |
455a7b238 block: Add Sed-op... |
1809 1810 |
return err; } |
5cc23ed75 block: sed-opal: ... |
1811 |
|
455a7b238 block: Add Sed-op... |
1812 1813 |
return finalize_and_send(dev, parse_and_check_status); } |
eed64951f block/sed: Embed ... |
1814 |
static int lock_unlock_locking_range_sum(struct opal_dev *dev, void *data) |
455a7b238 block: Add Sed-op... |
1815 1816 1817 |
{ u8 lr_buffer[OPAL_UID_LENGTH]; u8 read_locked = 1, write_locked = 1; |
eed64951f block/sed: Embed ... |
1818 |
struct opal_lock_unlock *lkul = data; |
455a7b238 block: Add Sed-op... |
1819 1820 1821 1822 |
int ret; clear_opal_cmd(dev); set_comid(dev, dev->comid); |
455a7b238 block: Add Sed-op... |
1823 1824 1825 1826 1827 1828 1829 1830 1831 1832 1833 1834 1835 1836 |
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: |
1e815b33c block: sed-opal: ... |
1837 |
/* vars are initialized to locked */ |
455a7b238 block: Add Sed-op... |
1838 1839 |
break; default: |
591c59d18 block: sed-opal: ... |
1840 1841 |
pr_debug("Tried to set an invalid locking state. "); |
455a7b238 block: Add Sed-op... |
1842 1843 1844 1845 1846 1847 |
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: ... |
1848 1849 |
pr_debug("Error building SET command. "); |
455a7b238 block: Add Sed-op... |
1850 1851 |
return ret; } |
5cc23ed75 block: sed-opal: ... |
1852 |
|
455a7b238 block: Add Sed-op... |
1853 1854 |
return finalize_and_send(dev, parse_and_check_status); } |
eed64951f block/sed: Embed ... |
1855 |
static int activate_lsp(struct opal_dev *dev, void *data) |
455a7b238 block: Add Sed-op... |
1856 |
{ |
eed64951f block/sed: Embed ... |
1857 |
struct opal_lr_act *opal_act = data; |
455a7b238 block: Add Sed-op... |
1858 |
u8 user_lr[OPAL_UID_LENGTH]; |
e8b292245 block: sed-opal: ... |
1859 |
int err, i; |
455a7b238 block: Add Sed-op... |
1860 |
|
e8b292245 block: sed-opal: ... |
1861 1862 |
err = cmd_start(dev, opaluid[OPAL_LOCKINGSP_UID], opalmethod[OPAL_ACTIVATE]); |
455a7b238 block: Add Sed-op... |
1863 1864 1865 1866 1867 1868 |
if (opal_act->sum) { err = build_locking_range(user_lr, sizeof(user_lr), opal_act->lr[0]); if (err) return err; |
455a7b238 block: Add Sed-op... |
1869 |
add_token_u8(&err, dev, OPAL_STARTNAME); |
c6da429ea block: sed-opal: ... |
1870 |
add_token_u64(&err, dev, OPAL_SUM_SET_LIST); |
455a7b238 block: Add Sed-op... |
1871 1872 1873 1874 1875 1876 1877 1878 1879 |
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); |
455a7b238 block: Add Sed-op... |
1880 1881 1882 |
} if (err) { |
591c59d18 block: sed-opal: ... |
1883 1884 |
pr_debug("Error building Activate LockingSP command. "); |
455a7b238 block: Add Sed-op... |
1885 1886 1887 1888 1889 |
return err; } return finalize_and_send(dev, parse_and_check_status); } |
3fff234b8 block: sed-opal: ... |
1890 1891 |
/* Determine if we're in the Manufactured Inactive or Active state */ static int get_lsp_lifecycle(struct opal_dev *dev, void *data) |
455a7b238 block: Add Sed-op... |
1892 1893 |
{ u8 lc_status; |
3fff234b8 block: sed-opal: ... |
1894 |
int err; |
455a7b238 block: Add Sed-op... |
1895 |
|
3fff234b8 block: sed-opal: ... |
1896 1897 1898 1899 |
err = generic_get_column(dev, opaluid[OPAL_LOCKINGSP_UID], OPAL_LIFECYCLE); if (err) return err; |
455a7b238 block: Add Sed-op... |
1900 1901 |
lc_status = response_get_u64(&dev->parsed, 4); |
1e815b33c block: sed-opal: ... |
1902 |
/* 0x08 is Manufactured Inactive */ |
455a7b238 block: Add Sed-op... |
1903 1904 |
/* 0x09 is Manufactured */ if (lc_status != OPAL_MANUFACTURED_INACTIVE) { |
591c59d18 block: sed-opal: ... |
1905 1906 |
pr_debug("Couldn't determine the status of the Lifecycle state "); |
455a7b238 block: Add Sed-op... |
1907 1908 1909 1910 1911 |
return -ENODEV; } return 0; } |
3fff234b8 block: sed-opal: ... |
1912 |
static int get_msid_cpin_pin(struct opal_dev *dev, void *data) |
455a7b238 block: Add Sed-op... |
1913 1914 1915 |
{ const char *msid_pin; size_t strlen; |
3fff234b8 block: sed-opal: ... |
1916 |
int err; |
455a7b238 block: Add Sed-op... |
1917 |
|
3fff234b8 block: sed-opal: ... |
1918 1919 1920 |
err = generic_get_column(dev, opaluid[OPAL_C_PIN_MSID], OPAL_PIN); if (err) return err; |
455a7b238 block: Add Sed-op... |
1921 1922 1923 |
strlen = response_get_string(&dev->parsed, 4, &msid_pin); if (!msid_pin) { |
3fff234b8 block: sed-opal: ... |
1924 1925 |
pr_debug("Couldn't extract MSID_CPIN from response "); |
455a7b238 block: Add Sed-op... |
1926 1927 1928 1929 1930 1931 1932 1933 1934 1935 1936 |
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; } |
51f421c85 block: sed-opal: ... |
1937 1938 1939 1940 1941 1942 1943 1944 1945 1946 1947 1948 1949 1950 1951 1952 1953 1954 1955 1956 1957 1958 1959 1960 1961 1962 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026 2027 2028 2029 2030 2031 2032 2033 2034 2035 2036 2037 2038 2039 2040 2041 2042 2043 2044 2045 2046 2047 |
static int write_table_data(struct opal_dev *dev, void *data) { struct opal_read_write_table *write_tbl = data; return generic_table_write_data(dev, write_tbl->data, write_tbl->offset, write_tbl->size, write_tbl->table_uid); } static int read_table_data_cont(struct opal_dev *dev) { int err; const char *data_read; err = parse_and_check_status(dev); if (err) return err; dev->prev_d_len = response_get_string(&dev->parsed, 1, &data_read); dev->prev_data = (void *)data_read; if (!dev->prev_data) { pr_debug("%s: Couldn't read data from the table. ", __func__); return OPAL_INVAL_PARAM; } return 0; } /* * IO_BUFFER_LENGTH = 2048 * sizeof(header) = 56 * No. of Token Bytes in the Response = 11 * MAX size of data that can be carried in response buffer * at a time is : 2048 - (56 + 11) = 1981 = 0x7BD. */ #define OPAL_MAX_READ_TABLE (0x7BD) static int read_table_data(struct opal_dev *dev, void *data) { struct opal_read_write_table *read_tbl = data; int err; size_t off = 0, max_read_size = OPAL_MAX_READ_TABLE; u64 table_len, len; u64 offset = read_tbl->offset, read_size = read_tbl->size - 1; u8 __user *dst; err = generic_get_table_info(dev, read_tbl->table_uid, OPAL_TABLE_ROWS); if (err) { pr_debug("Couldn't get the table size "); return err; } table_len = response_get_u64(&dev->parsed, 4); /* Check if the user is trying to read from the table limits */ if (read_size > table_len || offset > table_len - read_size) { pr_debug("Read size exceeds the Table size limits (%llu vs. %llu) ", offset + read_size, table_len); return -EINVAL; } while (off < read_size) { err = cmd_start(dev, read_tbl->table_uid, opalmethod[OPAL_GET]); add_token_u8(&err, dev, OPAL_STARTLIST); add_token_u8(&err, dev, OPAL_STARTNAME); add_token_u8(&err, dev, OPAL_STARTROW); add_token_u64(&err, dev, offset + off); /* start row value */ add_token_u8(&err, dev, OPAL_ENDNAME); add_token_u8(&err, dev, OPAL_STARTNAME); add_token_u8(&err, dev, OPAL_ENDROW); len = min(max_read_size, (size_t)(read_size - off)); add_token_u64(&err, dev, offset + off + len); /* end row value */ add_token_u8(&err, dev, OPAL_ENDNAME); add_token_u8(&err, dev, OPAL_ENDLIST); if (err) { pr_debug("Error building read table data command. "); break; } err = finalize_and_send(dev, read_table_data_cont); if (err) break; /* len+1: This includes the NULL terminator at the end*/ if (dev->prev_d_len > len + 1) { err = -EOVERFLOW; break; } dst = (u8 __user *)(uintptr_t)read_tbl->data; if (copy_to_user(dst + off, dev->prev_data, dev->prev_d_len)) { pr_debug("Error copying data to userspace "); err = -EFAULT; break; } dev->prev_data = NULL; off += len; } return err; } |
eed64951f block/sed: Embed ... |
2048 |
static int end_opal_session(struct opal_dev *dev, void *data) |
455a7b238 block: Add Sed-op... |
2049 2050 2051 2052 |
{ int err = 0; clear_opal_cmd(dev); |
455a7b238 block: Add Sed-op... |
2053 2054 |
set_comid(dev, dev->comid); add_token_u8(&err, dev, OPAL_ENDOFSESSION); |
455a7b238 block: Add Sed-op... |
2055 |
|
eed64951f block/sed: Embed ... |
2056 2057 |
if (err < 0) return err; |
5cc23ed75 block: sed-opal: ... |
2058 |
|
455a7b238 block: Add Sed-op... |
2059 2060 2061 2062 2063 |
return finalize_and_send(dev, end_session_cont); } static int end_opal_session_error(struct opal_dev *dev) { |
0af2648ec block: sed-opal: ... |
2064 2065 |
const struct opal_step error_end_session = { end_opal_session, |
455a7b238 block: Add Sed-op... |
2066 |
}; |
5cc23ed75 block: sed-opal: ... |
2067 |
|
0af2648ec block: sed-opal: ... |
2068 |
return execute_step(dev, &error_end_session, 0); |
455a7b238 block: Add Sed-op... |
2069 |
} |
3db87236c block: sed-opal: ... |
2070 |
static inline void setup_opal_dev(struct opal_dev *dev) |
455a7b238 block: Add Sed-op... |
2071 |
{ |
455a7b238 block: Add Sed-op... |
2072 2073 |
dev->tsn = 0; dev->hsn = 0; |
455a7b238 block: Add Sed-op... |
2074 2075 2076 2077 2078 |
dev->prev_data = NULL; } static int check_opal_support(struct opal_dev *dev) { |
455a7b238 block: Add Sed-op... |
2079 2080 2081 |
int ret; mutex_lock(&dev->dev_lock); |
3db87236c block: sed-opal: ... |
2082 |
setup_opal_dev(dev); |
0af2648ec block: sed-opal: ... |
2083 |
ret = opal_discovery0_step(dev); |
455a7b238 block: Add Sed-op... |
2084 2085 |
dev->supported = !ret; mutex_unlock(&dev->dev_lock); |
5cc23ed75 block: sed-opal: ... |
2086 |
|
455a7b238 block: Add Sed-op... |
2087 2088 |
return ret; } |
7d6d15789 block/sed-opal: I... |
2089 2090 2091 2092 2093 2094 2095 2096 2097 2098 2099 2100 2101 2102 2103 2104 2105 |
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; |
5cc23ed75 block: sed-opal: ... |
2106 |
|
7d6d15789 block/sed-opal: I... |
2107 2108 2109 2110 |
clean_opal_dev(dev); kfree(dev); } EXPORT_SYMBOL(free_opal_dev); |
4f1244c82 block/sed-opal: a... |
2111 |
struct opal_dev *init_opal_dev(void *data, sec_send_recv *send_recv) |
455a7b238 block: Add Sed-op... |
2112 |
{ |
4f1244c82 block/sed-opal: a... |
2113 2114 2115 2116 2117 2118 2119 2120 2121 2122 2123 |
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... |
2124 2125 |
pr_debug("Opal is not supported on this device "); |
4f1244c82 block/sed-opal: a... |
2126 2127 2128 |
kfree(dev); return NULL; } |
5cc23ed75 block: sed-opal: ... |
2129 |
|
4f1244c82 block/sed-opal: a... |
2130 |
return dev; |
455a7b238 block: Add Sed-op... |
2131 2132 2133 2134 2135 2136 |
} 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 ... |
2137 |
const struct opal_step erase_steps[] = { |
eed64951f block/sed: Embed ... |
2138 2139 2140 |
{ start_auth_opal_session, opal_session }, { get_active_key, &opal_session->opal_key.lr }, { gen_key, }, |
3db87236c block: sed-opal: ... |
2141 |
{ end_opal_session, } |
455a7b238 block: Add Sed-op... |
2142 2143 2144 2145 |
}; int ret; mutex_lock(&dev->dev_lock); |
3db87236c block: sed-opal: ... |
2146 |
setup_opal_dev(dev); |
a80f36cc6 block: sed-opal: ... |
2147 |
ret = execute_steps(dev, erase_steps, ARRAY_SIZE(erase_steps)); |
455a7b238 block: Add Sed-op... |
2148 |
mutex_unlock(&dev->dev_lock); |
5cc23ed75 block: sed-opal: ... |
2149 |
|
455a7b238 block: Add Sed-op... |
2150 2151 2152 2153 2154 2155 |
return ret; } static int opal_erase_locking_range(struct opal_dev *dev, struct opal_session_info *opal_session) { |
eed64951f block/sed: Embed ... |
2156 |
const struct opal_step erase_steps[] = { |
eed64951f block/sed: Embed ... |
2157 2158 |
{ start_auth_opal_session, opal_session }, { erase_locking_range, opal_session }, |
3db87236c block: sed-opal: ... |
2159 |
{ end_opal_session, } |
455a7b238 block: Add Sed-op... |
2160 2161 2162 2163 |
}; int ret; mutex_lock(&dev->dev_lock); |
3db87236c block: sed-opal: ... |
2164 |
setup_opal_dev(dev); |
a80f36cc6 block: sed-opal: ... |
2165 |
ret = execute_steps(dev, erase_steps, ARRAY_SIZE(erase_steps)); |
455a7b238 block: Add Sed-op... |
2166 |
mutex_unlock(&dev->dev_lock); |
5cc23ed75 block: sed-opal: ... |
2167 |
|
455a7b238 block: Add Sed-op... |
2168 2169 2170 2171 2172 2173 |
return ret; } static int opal_enable_disable_shadow_mbr(struct opal_dev *dev, struct opal_mbr_data *opal_mbr) { |
78bf47353 block: sed-opal: ... |
2174 2175 |
u8 enable_disable = opal_mbr->enable_disable == OPAL_MBR_ENABLE ? OPAL_TRUE : OPAL_FALSE; |
eed64951f block/sed: Embed ... |
2176 |
const struct opal_step mbr_steps[] = { |
eed64951f block/sed: Embed ... |
2177 |
{ start_admin1LSP_opal_session, &opal_mbr->key }, |
78bf47353 block: sed-opal: ... |
2178 |
{ set_mbr_done, &enable_disable }, |
eed64951f block/sed: Embed ... |
2179 2180 |
{ end_opal_session, }, { start_admin1LSP_opal_session, &opal_mbr->key }, |
78bf47353 block: sed-opal: ... |
2181 |
{ set_mbr_enable_disable, &enable_disable }, |
3db87236c block: sed-opal: ... |
2182 |
{ end_opal_session, } |
455a7b238 block: Add Sed-op... |
2183 2184 2185 2186 2187 2188 2189 2190 |
}; int ret; if (opal_mbr->enable_disable != OPAL_MBR_ENABLE && opal_mbr->enable_disable != OPAL_MBR_DISABLE) return -EINVAL; mutex_lock(&dev->dev_lock); |
3db87236c block: sed-opal: ... |
2191 |
setup_opal_dev(dev); |
a80f36cc6 block: sed-opal: ... |
2192 |
ret = execute_steps(dev, mbr_steps, ARRAY_SIZE(mbr_steps)); |
455a7b238 block: Add Sed-op... |
2193 |
mutex_unlock(&dev->dev_lock); |
5cc23ed75 block: sed-opal: ... |
2194 |
|
455a7b238 block: Add Sed-op... |
2195 2196 |
return ret; } |
c98884434 block: sed-opal: ... |
2197 2198 2199 2200 2201 2202 2203 2204 2205 2206 2207 2208 2209 2210 2211 2212 2213 2214 2215 2216 2217 |
static int opal_set_mbr_done(struct opal_dev *dev, struct opal_mbr_done *mbr_done) { u8 mbr_done_tf = mbr_done->done_flag == OPAL_MBR_DONE ? OPAL_TRUE : OPAL_FALSE; const struct opal_step mbr_steps[] = { { start_admin1LSP_opal_session, &mbr_done->key }, { set_mbr_done, &mbr_done_tf }, { end_opal_session, } }; int ret; if (mbr_done->done_flag != OPAL_MBR_DONE && mbr_done->done_flag != OPAL_MBR_NOT_DONE) return -EINVAL; mutex_lock(&dev->dev_lock); setup_opal_dev(dev); ret = execute_steps(dev, mbr_steps, ARRAY_SIZE(mbr_steps)); mutex_unlock(&dev->dev_lock); |
5cc23ed75 block: sed-opal: ... |
2218 |
|
c98884434 block: sed-opal: ... |
2219 2220 |
return ret; } |
a9b25b4cf block: sed-opal: ... |
2221 2222 2223 2224 2225 2226 2227 2228 2229 2230 2231 2232 2233 2234 2235 2236 2237 |
static int opal_write_shadow_mbr(struct opal_dev *dev, struct opal_shadow_mbr *info) { const struct opal_step mbr_steps[] = { { start_admin1LSP_opal_session, &info->key }, { write_shadow_mbr, info }, { end_opal_session, } }; int ret; if (info->size == 0) return 0; mutex_lock(&dev->dev_lock); setup_opal_dev(dev); ret = execute_steps(dev, mbr_steps, ARRAY_SIZE(mbr_steps)); mutex_unlock(&dev->dev_lock); |
5cc23ed75 block: sed-opal: ... |
2238 |
|
a9b25b4cf block: sed-opal: ... |
2239 2240 |
return ret; } |
455a7b238 block: Add Sed-op... |
2241 2242 2243 2244 2245 2246 2247 2248 2249 2250 2251 2252 |
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); |
3db87236c block: sed-opal: ... |
2253 |
setup_opal_dev(dev); |
455a7b238 block: Add Sed-op... |
2254 2255 |
add_suspend_info(dev, suspend); mutex_unlock(&dev->dev_lock); |
5cc23ed75 block: sed-opal: ... |
2256 |
|
455a7b238 block: Add Sed-op... |
2257 2258 2259 2260 2261 2262 |
return 0; } static int opal_add_user_to_lr(struct opal_dev *dev, struct opal_lock_unlock *lk_unlk) { |
eed64951f block/sed: Embed ... |
2263 |
const struct opal_step steps[] = { |
eed64951f block/sed: Embed ... |
2264 2265 |
{ start_admin1LSP_opal_session, &lk_unlk->session.opal_key }, { add_user_to_lr, lk_unlk }, |
3db87236c block: sed-opal: ... |
2266 |
{ end_opal_session, } |
455a7b238 block: Add Sed-op... |
2267 2268 2269 2270 2271 |
}; int ret; if (lk_unlk->l_state != OPAL_RO && lk_unlk->l_state != OPAL_RW) { |
591c59d18 block: sed-opal: ... |
2272 2273 |
pr_debug("Locking state was not RO or RW "); |
455a7b238 block: Add Sed-op... |
2274 2275 |
return -EINVAL; } |
5cc23ed75 block: sed-opal: ... |
2276 |
|
b0bfdfc2b block/sed: Fix op... |
2277 |
if (lk_unlk->session.who < OPAL_USER1 || |
455a7b238 block: Add Sed-op... |
2278 |
lk_unlk->session.who > OPAL_USER9) { |
591c59d18 block: sed-opal: ... |
2279 2280 2281 |
pr_debug("Authority was not within the range of users: %d ", lk_unlk->session.who); |
455a7b238 block: Add Sed-op... |
2282 2283 |
return -EINVAL; } |
5cc23ed75 block: sed-opal: ... |
2284 |
|
455a7b238 block: Add Sed-op... |
2285 |
if (lk_unlk->session.sum) { |
591c59d18 block: sed-opal: ... |
2286 2287 2288 |
pr_debug("%s not supported in sum. Use setup locking range ", __func__); |
455a7b238 block: Add Sed-op... |
2289 2290 2291 2292 |
return -EINVAL; } mutex_lock(&dev->dev_lock); |
3db87236c block: sed-opal: ... |
2293 |
setup_opal_dev(dev); |
a80f36cc6 block: sed-opal: ... |
2294 |
ret = execute_steps(dev, steps, ARRAY_SIZE(steps)); |
455a7b238 block: Add Sed-op... |
2295 |
mutex_unlock(&dev->dev_lock); |
5cc23ed75 block: sed-opal: ... |
2296 |
|
455a7b238 block: Add Sed-op... |
2297 2298 |
return ret; } |
5e4c7cf60 block: sed-opal: ... |
2299 |
static int opal_reverttper(struct opal_dev *dev, struct opal_key *opal, bool psid) |
455a7b238 block: Add Sed-op... |
2300 |
{ |
5e4c7cf60 block: sed-opal: ... |
2301 |
/* controller will terminate session */ |
eed64951f block/sed: Embed ... |
2302 |
const struct opal_step revert_steps[] = { |
eed64951f block/sed: Embed ... |
2303 |
{ start_SIDASP_opal_session, opal }, |
5e4c7cf60 block: sed-opal: ... |
2304 |
{ revert_tper, } |
455a7b238 block: Add Sed-op... |
2305 |
}; |
5e4c7cf60 block: sed-opal: ... |
2306 2307 2308 2309 |
const struct opal_step psid_revert_steps[] = { { start_PSID_opal_session, opal }, { revert_tper, } }; |
455a7b238 block: Add Sed-op... |
2310 2311 2312 |
int ret; mutex_lock(&dev->dev_lock); |
3db87236c block: sed-opal: ... |
2313 |
setup_opal_dev(dev); |
5e4c7cf60 block: sed-opal: ... |
2314 2315 2316 2317 2318 2319 |
if (psid) ret = execute_steps(dev, psid_revert_steps, ARRAY_SIZE(psid_revert_steps)); else ret = execute_steps(dev, revert_steps, ARRAY_SIZE(revert_steps)); |
455a7b238 block: Add Sed-op... |
2320 |
mutex_unlock(&dev->dev_lock); |
7d6d15789 block/sed-opal: I... |
2321 2322 2323 2324 2325 2326 2327 |
/* * If we successfully reverted lets clean * any saved locking ranges. */ if (!ret) clean_opal_dev(dev); |
455a7b238 block: Add Sed-op... |
2328 2329 |
return ret; } |
eed64951f block/sed: Embed ... |
2330 2331 |
static int __opal_lock_unlock(struct opal_dev *dev, struct opal_lock_unlock *lk_unlk) |
455a7b238 block: Add Sed-op... |
2332 |
{ |
eed64951f block/sed: Embed ... |
2333 |
const struct opal_step unlock_steps[] = { |
eed64951f block/sed: Embed ... |
2334 2335 |
{ start_auth_opal_session, &lk_unlk->session }, { lock_unlock_locking_range, lk_unlk }, |
3db87236c block: sed-opal: ... |
2336 |
{ end_opal_session, } |
455a7b238 block: Add Sed-op... |
2337 |
}; |
eed64951f block/sed: Embed ... |
2338 |
const struct opal_step unlock_sum_steps[] = { |
eed64951f block/sed: Embed ... |
2339 2340 |
{ start_auth_opal_session, &lk_unlk->session }, { lock_unlock_locking_range_sum, lk_unlk }, |
3db87236c block: sed-opal: ... |
2341 |
{ end_opal_session, } |
455a7b238 block: Add Sed-op... |
2342 |
}; |
3db87236c block: sed-opal: ... |
2343 |
if (lk_unlk->session.sum) |
a80f36cc6 block: sed-opal: ... |
2344 2345 |
return execute_steps(dev, unlock_sum_steps, ARRAY_SIZE(unlock_sum_steps)); |
3db87236c block: sed-opal: ... |
2346 |
else |
a80f36cc6 block: sed-opal: ... |
2347 2348 |
return execute_steps(dev, unlock_steps, ARRAY_SIZE(unlock_steps)); |
455a7b238 block: Add Sed-op... |
2349 |
} |
dbec491b1 block: sed-opal: ... |
2350 2351 |
static int __opal_set_mbr_done(struct opal_dev *dev, struct opal_key *key) { |
78bf47353 block: sed-opal: ... |
2352 |
u8 mbr_done_tf = OPAL_TRUE; |
1e815b33c block: sed-opal: ... |
2353 |
const struct opal_step mbrdone_step[] = { |
dbec491b1 block: sed-opal: ... |
2354 2355 |
{ start_admin1LSP_opal_session, key }, { set_mbr_done, &mbr_done_tf }, |
3db87236c block: sed-opal: ... |
2356 |
{ end_opal_session, } |
dbec491b1 block: sed-opal: ... |
2357 |
}; |
a80f36cc6 block: sed-opal: ... |
2358 |
return execute_steps(dev, mbrdone_step, ARRAY_SIZE(mbrdone_step)); |
dbec491b1 block: sed-opal: ... |
2359 |
} |
eed64951f block/sed: Embed ... |
2360 2361 |
static int opal_lock_unlock(struct opal_dev *dev, struct opal_lock_unlock *lk_unlk) |
455a7b238 block: Add Sed-op... |
2362 |
{ |
455a7b238 block: Add Sed-op... |
2363 |
int ret; |
15ddffcb3 block: sed-opal: ... |
2364 |
if (lk_unlk->session.who > OPAL_USER9) |
455a7b238 block: Add Sed-op... |
2365 2366 2367 |
return -EINVAL; mutex_lock(&dev->dev_lock); |
eed64951f block/sed: Embed ... |
2368 |
ret = __opal_lock_unlock(dev, lk_unlk); |
455a7b238 block: Add Sed-op... |
2369 |
mutex_unlock(&dev->dev_lock); |
5cc23ed75 block: sed-opal: ... |
2370 |
|
455a7b238 block: Add Sed-op... |
2371 2372 2373 2374 2375 |
return ret; } static int opal_take_ownership(struct opal_dev *dev, struct opal_key *opal) { |
eed64951f block/sed: Embed ... |
2376 |
const struct opal_step owner_steps[] = { |
eed64951f block/sed: Embed ... |
2377 2378 2379 2380 2381 |
{ start_anybodyASP_opal_session, }, { get_msid_cpin_pin, }, { end_opal_session, }, { start_SIDASP_opal_session, opal }, { set_sid_cpin_pin, opal }, |
3db87236c block: sed-opal: ... |
2382 |
{ end_opal_session, } |
455a7b238 block: Add Sed-op... |
2383 |
}; |
455a7b238 block: Add Sed-op... |
2384 2385 2386 2387 2388 2389 |
int ret; if (!dev) return -ENODEV; mutex_lock(&dev->dev_lock); |
3db87236c block: sed-opal: ... |
2390 |
setup_opal_dev(dev); |
a80f36cc6 block: sed-opal: ... |
2391 |
ret = execute_steps(dev, owner_steps, ARRAY_SIZE(owner_steps)); |
455a7b238 block: Add Sed-op... |
2392 |
mutex_unlock(&dev->dev_lock); |
5cc23ed75 block: sed-opal: ... |
2393 |
|
455a7b238 block: Add Sed-op... |
2394 2395 |
return ret; } |
1e815b33c block: sed-opal: ... |
2396 2397 |
static int opal_activate_lsp(struct opal_dev *dev, struct opal_lr_act *opal_lr_act) |
455a7b238 block: Add Sed-op... |
2398 |
{ |
eed64951f block/sed: Embed ... |
2399 |
const struct opal_step active_steps[] = { |
eed64951f block/sed: Embed ... |
2400 2401 2402 |
{ start_SIDASP_opal_session, &opal_lr_act->key }, { get_lsp_lifecycle, }, { activate_lsp, opal_lr_act }, |
3db87236c block: sed-opal: ... |
2403 |
{ end_opal_session, } |
455a7b238 block: Add Sed-op... |
2404 2405 2406 2407 2408 2409 2410 |
}; int ret; if (!opal_lr_act->num_lrs || opal_lr_act->num_lrs > OPAL_MAX_LRS) return -EINVAL; mutex_lock(&dev->dev_lock); |
3db87236c block: sed-opal: ... |
2411 |
setup_opal_dev(dev); |
a80f36cc6 block: sed-opal: ... |
2412 |
ret = execute_steps(dev, active_steps, ARRAY_SIZE(active_steps)); |
455a7b238 block: Add Sed-op... |
2413 |
mutex_unlock(&dev->dev_lock); |
5cc23ed75 block: sed-opal: ... |
2414 |
|
455a7b238 block: Add Sed-op... |
2415 2416 2417 2418 2419 2420 |
return ret; } static int opal_setup_locking_range(struct opal_dev *dev, struct opal_user_lr_setup *opal_lrs) { |
eed64951f block/sed: Embed ... |
2421 |
const struct opal_step lr_steps[] = { |
eed64951f block/sed: Embed ... |
2422 2423 |
{ start_auth_opal_session, &opal_lrs->session }, { setup_locking_range, opal_lrs }, |
3db87236c block: sed-opal: ... |
2424 |
{ end_opal_session, } |
455a7b238 block: Add Sed-op... |
2425 2426 2427 2428 |
}; int ret; mutex_lock(&dev->dev_lock); |
3db87236c block: sed-opal: ... |
2429 |
setup_opal_dev(dev); |
a80f36cc6 block: sed-opal: ... |
2430 |
ret = execute_steps(dev, lr_steps, ARRAY_SIZE(lr_steps)); |
455a7b238 block: Add Sed-op... |
2431 |
mutex_unlock(&dev->dev_lock); |
5cc23ed75 block: sed-opal: ... |
2432 |
|
455a7b238 block: Add Sed-op... |
2433 2434 2435 2436 2437 |
return ret; } static int opal_set_new_pw(struct opal_dev *dev, struct opal_new_pw *opal_pw) { |
eed64951f block/sed: Embed ... |
2438 |
const struct opal_step pw_steps[] = { |
eed64951f block/sed: Embed ... |
2439 2440 |
{ start_auth_opal_session, &opal_pw->session }, { set_new_pw, &opal_pw->new_user_pw }, |
3db87236c block: sed-opal: ... |
2441 |
{ end_opal_session, } |
455a7b238 block: Add Sed-op... |
2442 |
}; |
455a7b238 block: Add Sed-op... |
2443 |
int ret; |
15ddffcb3 block: sed-opal: ... |
2444 |
if (opal_pw->session.who > OPAL_USER9 || |
455a7b238 block: Add Sed-op... |
2445 2446 2447 2448 |
opal_pw->new_user_pw.who > OPAL_USER9) return -EINVAL; mutex_lock(&dev->dev_lock); |
3db87236c block: sed-opal: ... |
2449 |
setup_opal_dev(dev); |
a80f36cc6 block: sed-opal: ... |
2450 |
ret = execute_steps(dev, pw_steps, ARRAY_SIZE(pw_steps)); |
455a7b238 block: Add Sed-op... |
2451 |
mutex_unlock(&dev->dev_lock); |
5cc23ed75 block: sed-opal: ... |
2452 |
|
455a7b238 block: Add Sed-op... |
2453 2454 2455 2456 2457 2458 |
return ret; } static int opal_activate_user(struct opal_dev *dev, struct opal_session_info *opal_session) { |
eed64951f block/sed: Embed ... |
2459 |
const struct opal_step act_steps[] = { |
eed64951f block/sed: Embed ... |
2460 2461 |
{ start_admin1LSP_opal_session, &opal_session->opal_key }, { internal_activate_user, opal_session }, |
3db87236c block: sed-opal: ... |
2462 |
{ end_opal_session, } |
455a7b238 block: Add Sed-op... |
2463 |
}; |
455a7b238 block: Add Sed-op... |
2464 2465 2466 |
int ret; /* We can't activate Admin1 it's active as manufactured */ |
b0bfdfc2b block/sed: Fix op... |
2467 |
if (opal_session->who < OPAL_USER1 || |
455a7b238 block: Add Sed-op... |
2468 |
opal_session->who > OPAL_USER9) { |
591c59d18 block: sed-opal: ... |
2469 2470 |
pr_debug("Who was not a valid user: %d ", opal_session->who); |
455a7b238 block: Add Sed-op... |
2471 2472 2473 2474 |
return -EINVAL; } mutex_lock(&dev->dev_lock); |
3db87236c block: sed-opal: ... |
2475 |
setup_opal_dev(dev); |
a80f36cc6 block: sed-opal: ... |
2476 |
ret = execute_steps(dev, act_steps, ARRAY_SIZE(act_steps)); |
455a7b238 block: Add Sed-op... |
2477 |
mutex_unlock(&dev->dev_lock); |
5cc23ed75 block: sed-opal: ... |
2478 |
|
455a7b238 block: Add Sed-op... |
2479 2480 2481 2482 2483 2484 |
return ret; } bool opal_unlock_from_suspend(struct opal_dev *dev) { struct opal_suspend_data *suspend; |
455a7b238 block: Add Sed-op... |
2485 2486 2487 2488 2489 |
bool was_failure = false; int ret = 0; if (!dev) return false; |
5cc23ed75 block: sed-opal: ... |
2490 |
|
455a7b238 block: Add Sed-op... |
2491 2492 2493 2494 |
if (!dev->supported) return false; mutex_lock(&dev->dev_lock); |
3db87236c block: sed-opal: ... |
2495 |
setup_opal_dev(dev); |
455a7b238 block: Add Sed-op... |
2496 2497 |
list_for_each_entry(suspend, &dev->unlk_lst, node) { |
455a7b238 block: Add Sed-op... |
2498 2499 |
dev->tsn = 0; dev->hsn = 0; |
eed64951f block/sed: Embed ... |
2500 |
ret = __opal_lock_unlock(dev, &suspend->unlk); |
455a7b238 block: Add Sed-op... |
2501 |
if (ret) { |
591c59d18 block: sed-opal: ... |
2502 2503 2504 2505 |
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... |
2506 2507 |
was_failure = true; } |
5cc23ed75 block: sed-opal: ... |
2508 |
|
dbec491b1 block: sed-opal: ... |
2509 2510 2511 2512 2513 2514 |
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... |
2515 2516 |
} mutex_unlock(&dev->dev_lock); |
5cc23ed75 block: sed-opal: ... |
2517 |
|
455a7b238 block: Add Sed-op... |
2518 2519 2520 |
return was_failure; } EXPORT_SYMBOL(opal_unlock_from_suspend); |
51f421c85 block: sed-opal: ... |
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static int opal_read_table(struct opal_dev *dev, struct opal_read_write_table *rw_tbl) { const struct opal_step read_table_steps[] = { { start_admin1LSP_opal_session, &rw_tbl->key }, { read_table_data, rw_tbl }, { end_opal_session, } }; int ret = 0; if (!rw_tbl->size) return ret; return execute_steps(dev, read_table_steps, ARRAY_SIZE(read_table_steps)); } static int opal_write_table(struct opal_dev *dev, struct opal_read_write_table *rw_tbl) { const struct opal_step write_table_steps[] = { { start_admin1LSP_opal_session, &rw_tbl->key }, { write_table_data, rw_tbl }, { end_opal_session, } }; int ret = 0; if (!rw_tbl->size) return ret; return execute_steps(dev, write_table_steps, ARRAY_SIZE(write_table_steps)); } static int opal_generic_read_write_table(struct opal_dev *dev, struct opal_read_write_table *rw_tbl) { int ret, bit_set; mutex_lock(&dev->dev_lock); setup_opal_dev(dev); bit_set = fls64(rw_tbl->flags) - 1; switch (bit_set) { case OPAL_READ_TABLE: ret = opal_read_table(dev, rw_tbl); break; case OPAL_WRITE_TABLE: ret = opal_write_table(dev, rw_tbl); break; default: pr_debug("Invalid bit set in the flag (%016llx). ", rw_tbl->flags); ret = -EINVAL; break; } mutex_unlock(&dev->dev_lock); return ret; } |
e225c20eb Move stack parame... |
2583 |
int sed_ioctl(struct opal_dev *dev, unsigned int cmd, void __user *arg) |
455a7b238 block: Add Sed-op... |
2584 |
{ |
e225c20eb Move stack parame... |
2585 2586 |
void *p; int ret = -ENOTTY; |
455a7b238 block: Add Sed-op... |
2587 2588 2589 |
if (!capable(CAP_SYS_ADMIN)) return -EACCES; |
4f1244c82 block/sed-opal: a... |
2590 2591 |
if (!dev) return -ENOTSUPP; |
591c59d18 block: sed-opal: ... |
2592 |
if (!dev->supported) |
455a7b238 block: Add Sed-op... |
2593 |
return -ENOTSUPP; |
455a7b238 block: Add Sed-op... |
2594 |
|
eed64951f block/sed: Embed ... |
2595 |
p = memdup_user(arg, _IOC_SIZE(cmd)); |
e225c20eb Move stack parame... |
2596 2597 |
if (IS_ERR(p)) return PTR_ERR(p); |
455a7b238 block: Add Sed-op... |
2598 |
|
e225c20eb Move stack parame... |
2599 2600 2601 2602 2603 2604 2605 2606 2607 2608 2609 2610 2611 2612 2613 2614 2615 2616 2617 2618 |
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: |
5e4c7cf60 block: sed-opal: ... |
2619 |
ret = opal_reverttper(dev, p, false); |
e225c20eb Move stack parame... |
2620 2621 2622 2623 2624 2625 2626 2627 2628 2629 |
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; |
c98884434 block: sed-opal: ... |
2630 2631 2632 |
case IOC_OPAL_MBR_DONE: ret = opal_set_mbr_done(dev, p); break; |
a9b25b4cf block: sed-opal: ... |
2633 2634 2635 |
case IOC_OPAL_WRITE_SHADOW_MBR: ret = opal_write_shadow_mbr(dev, p); break; |
e225c20eb Move stack parame... |
2636 2637 2638 2639 2640 2641 |
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; |
5e4c7cf60 block: sed-opal: ... |
2642 2643 2644 |
case IOC_OPAL_PSID_REVERT_TPR: ret = opal_reverttper(dev, p, true); break; |
51f421c85 block: sed-opal: ... |
2645 2646 2647 |
case IOC_OPAL_GENERIC_TABLE_RW: ret = opal_generic_read_write_table(dev, p); break; |
455a7b238 block: Add Sed-op... |
2648 |
default: |
591c59d18 block: sed-opal: ... |
2649 |
break; |
455a7b238 block: Add Sed-op... |
2650 |
} |
e225c20eb Move stack parame... |
2651 2652 2653 |
kfree(p); return ret; |
455a7b238 block: Add Sed-op... |
2654 2655 |
} EXPORT_SYMBOL_GPL(sed_ioctl); |