osd_initiator.c revision e9da4d7f731dafc2b93ce7b31aa09c4d935ef978
102941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh/* 202941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh * osd_initiator - Main body of the osd initiator library. 302941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh * 402941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh * Note: The file does not contain the advanced security functionality which 502941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh * is only needed by the security_manager's initiators. 602941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh * 702941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh * Copyright (C) 2008 Panasas Inc. All rights reserved. 802941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh * 902941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh * Authors: 1002941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh * Boaz Harrosh <bharrosh@panasas.com> 1102941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh * Benny Halevy <bhalevy@panasas.com> 1202941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh * 1302941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh * This program is free software; you can redistribute it and/or modify 1402941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh * it under the terms of the GNU General Public License version 2 1502941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh * 1602941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh * Redistribution and use in source and binary forms, with or without 1702941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh * modification, are permitted provided that the following conditions 1802941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh * are met: 1902941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh * 2002941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh * 1. Redistributions of source code must retain the above copyright 2102941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh * notice, this list of conditions and the following disclaimer. 2202941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh * 2. Redistributions in binary form must reproduce the above copyright 2302941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh * notice, this list of conditions and the following disclaimer in the 2402941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh * documentation and/or other materials provided with the distribution. 2502941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh * 3. Neither the name of the Panasas company nor the names of its 2602941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh * contributors may be used to endorse or promote products derived 2702941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh * from this software without specific prior written permission. 2802941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh * 2902941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED 3002941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 3102941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 3202941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh * DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 3302941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 3402941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 3502941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 3602941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 3702941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 3802941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 3902941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 4002941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh */ 4102941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 4202941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh#include <scsi/osd_initiator.h> 4302941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh#include <scsi/osd_sec.h> 441b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh#include <scsi/osd_attributes.h> 4598f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh#include <scsi/osd_sense.h> 4698f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh 4702941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh#include <scsi/scsi_device.h> 4802941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 4902941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh#include "osd_debug.h" 5002941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 514ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh#ifndef __unused 524ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh# define __unused __attribute__((unused)) 534ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh#endif 544ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 5502941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harroshenum { OSD_REQ_RETRIES = 1 }; 5602941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 5702941a530ef736210b4cf8b24dd34c238d5d5a40Boaz HarroshMODULE_AUTHOR("Boaz Harrosh <bharrosh@panasas.com>"); 5802941a530ef736210b4cf8b24dd34c238d5d5a40Boaz HarroshMODULE_DESCRIPTION("open-osd initiator library libosd.ko"); 5902941a530ef736210b4cf8b24dd34c238d5d5a40Boaz HarroshMODULE_LICENSE("GPL"); 6002941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 6102941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harroshstatic inline void build_test(void) 6202941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh{ 6302941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh /* structures were not packed */ 6402941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh BUILD_BUG_ON(sizeof(struct osd_capability) != OSD_CAP_LEN); 65c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh BUILD_BUG_ON(sizeof(struct osdv2_cdb) != OSD_TOTAL_CDB_LEN); 6602941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh BUILD_BUG_ON(sizeof(struct osdv1_cdb) != OSDv1_TOTAL_CDB_LEN); 6702941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh} 6802941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 691b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harroshstatic const char *_osd_ver_desc(struct osd_request *or) 701b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh{ 711b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh return osd_req_is_ver1(or) ? "OSD1" : "OSD2"; 721b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh} 731b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh 741b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh#define ATTR_DEF_RI(id, len) ATTR_DEF(OSD_APAGE_ROOT_INFORMATION, id, len) 751b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh 761b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harroshstatic int _osd_print_system_info(struct osd_dev *od, void *caps) 771b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh{ 781b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh struct osd_request *or; 791b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh struct osd_attr get_attrs[] = { 801b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh ATTR_DEF_RI(OSD_ATTR_RI_VENDOR_IDENTIFICATION, 8), 811b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh ATTR_DEF_RI(OSD_ATTR_RI_PRODUCT_IDENTIFICATION, 16), 821b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh ATTR_DEF_RI(OSD_ATTR_RI_PRODUCT_MODEL, 32), 831b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh ATTR_DEF_RI(OSD_ATTR_RI_PRODUCT_REVISION_LEVEL, 4), 841b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh ATTR_DEF_RI(OSD_ATTR_RI_PRODUCT_SERIAL_NUMBER, 64 /*variable*/), 851b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh ATTR_DEF_RI(OSD_ATTR_RI_OSD_NAME, 64 /*variable*/), 861b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh ATTR_DEF_RI(OSD_ATTR_RI_TOTAL_CAPACITY, 8), 871b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh ATTR_DEF_RI(OSD_ATTR_RI_USED_CAPACITY, 8), 881b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh ATTR_DEF_RI(OSD_ATTR_RI_NUMBER_OF_PARTITIONS, 8), 891b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh ATTR_DEF_RI(OSD_ATTR_RI_CLOCK, 6), 901b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh /* IBM-OSD-SIM Has a bug with this one put it last */ 911b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh ATTR_DEF_RI(OSD_ATTR_RI_OSD_SYSTEM_ID, 20), 921b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh }; 931b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh void *iter = NULL, *pFirst; 941b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh int nelem = ARRAY_SIZE(get_attrs), a = 0; 951b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh int ret; 961b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh 971b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh or = osd_start_request(od, GFP_KERNEL); 981b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh if (!or) 991b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh return -ENOMEM; 1001b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh 1011b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh /* get attrs */ 1021b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh osd_req_get_attributes(or, &osd_root_object); 1031b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh osd_req_add_get_attr_list(or, get_attrs, ARRAY_SIZE(get_attrs)); 1041b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh 1051b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh ret = osd_finalize_request(or, 0, caps, NULL); 1061b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh if (ret) 1071b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh goto out; 1081b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh 1091b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh ret = osd_execute_request(or); 1101b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh if (ret) { 1111b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh OSD_ERR("Failed to detect %s => %d\n", _osd_ver_desc(or), ret); 1121b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh goto out; 1131b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh } 1141b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh 1151b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh osd_req_decode_get_attr_list(or, get_attrs, &nelem, &iter); 1161b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh 1171b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh OSD_INFO("Detected %s device\n", 1181b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh _osd_ver_desc(or)); 1191b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh 1201b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh pFirst = get_attrs[a++].val_ptr; 1211b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh OSD_INFO("OSD_ATTR_RI_VENDOR_IDENTIFICATION [%s]\n", 1221b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh (char *)pFirst); 1231b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh 1241b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh pFirst = get_attrs[a++].val_ptr; 1251b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh OSD_INFO("OSD_ATTR_RI_PRODUCT_IDENTIFICATION [%s]\n", 1261b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh (char *)pFirst); 1271b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh 1281b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh pFirst = get_attrs[a++].val_ptr; 1291b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh OSD_INFO("OSD_ATTR_RI_PRODUCT_MODEL [%s]\n", 1301b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh (char *)pFirst); 1311b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh 1321b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh pFirst = get_attrs[a++].val_ptr; 1331b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh OSD_INFO("OSD_ATTR_RI_PRODUCT_REVISION_LEVEL [%u]\n", 13497218a1499391b174ea95e05b7a40fbb73e79813Boaz Harrosh pFirst ? get_unaligned_be32(pFirst) : ~0U); 1351b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh 1361b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh pFirst = get_attrs[a++].val_ptr; 1371b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh OSD_INFO("OSD_ATTR_RI_PRODUCT_SERIAL_NUMBER [%s]\n", 1381b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh (char *)pFirst); 1391b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh 1401b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh pFirst = get_attrs[a].val_ptr; 1411b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh OSD_INFO("OSD_ATTR_RI_OSD_NAME [%s]\n", (char *)pFirst); 1421b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh a++; 1431b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh 1441b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh pFirst = get_attrs[a++].val_ptr; 1451b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh OSD_INFO("OSD_ATTR_RI_TOTAL_CAPACITY [0x%llx]\n", 14697218a1499391b174ea95e05b7a40fbb73e79813Boaz Harrosh pFirst ? _LLU(get_unaligned_be64(pFirst)) : ~0ULL); 1471b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh 1481b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh pFirst = get_attrs[a++].val_ptr; 1491b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh OSD_INFO("OSD_ATTR_RI_USED_CAPACITY [0x%llx]\n", 15097218a1499391b174ea95e05b7a40fbb73e79813Boaz Harrosh pFirst ? _LLU(get_unaligned_be64(pFirst)) : ~0ULL); 1511b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh 1521b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh pFirst = get_attrs[a++].val_ptr; 1531b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh OSD_INFO("OSD_ATTR_RI_NUMBER_OF_PARTITIONS [%llu]\n", 15497218a1499391b174ea95e05b7a40fbb73e79813Boaz Harrosh pFirst ? _LLU(get_unaligned_be64(pFirst)) : ~0ULL); 15597218a1499391b174ea95e05b7a40fbb73e79813Boaz Harrosh 15697218a1499391b174ea95e05b7a40fbb73e79813Boaz Harrosh if (a >= nelem) 15797218a1499391b174ea95e05b7a40fbb73e79813Boaz Harrosh goto out; 1581b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh 1591b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh /* FIXME: Where are the time utilities */ 1601b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh pFirst = get_attrs[a++].val_ptr; 1611b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh OSD_INFO("OSD_ATTR_RI_CLOCK [0x%02x%02x%02x%02x%02x%02x]\n", 1621b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh ((char *)pFirst)[0], ((char *)pFirst)[1], 1631b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh ((char *)pFirst)[2], ((char *)pFirst)[3], 1641b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh ((char *)pFirst)[4], ((char *)pFirst)[5]); 1651b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh 1661b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh if (a < nelem) { /* IBM-OSD-SIM bug, Might not have it */ 1671b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh unsigned len = get_attrs[a].len; 1681b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh char sid_dump[32*4 + 2]; /* 2nibbles+space+ASCII */ 1691b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh 1701b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh hex_dump_to_buffer(get_attrs[a].val_ptr, len, 32, 1, 1711b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh sid_dump, sizeof(sid_dump), true); 1721b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh OSD_INFO("OSD_ATTR_RI_OSD_SYSTEM_ID(%d) [%s]\n", len, sid_dump); 1731b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh a++; 1741b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh } 1751b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harroshout: 1761b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh osd_end_request(or); 1771b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh return ret; 1781b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh} 1791b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh 1801b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harroshint osd_auto_detect_ver(struct osd_dev *od, void *caps) 1811b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh{ 1821b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh int ret; 1831b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh 1841b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh /* Auto-detect the osd version */ 1851b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh ret = _osd_print_system_info(od, caps); 1861b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh if (ret) { 1871b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh osd_dev_set_ver(od, OSD_VER1); 1881b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh OSD_DEBUG("converting to OSD1\n"); 1891b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh ret = _osd_print_system_info(od, caps); 1901b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh } 1911b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh 1921b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh return ret; 1931b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh} 1941b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz HarroshEXPORT_SYMBOL(osd_auto_detect_ver); 1951b9dce94c8a24a3f1a01fcdf688f2d903b32acdfBoaz Harrosh 19602941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harroshstatic unsigned _osd_req_cdb_len(struct osd_request *or) 19702941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh{ 198c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh return osd_req_is_ver1(or) ? OSDv1_TOTAL_CDB_LEN : OSD_TOTAL_CDB_LEN; 19902941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh} 20002941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 2014ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harroshstatic unsigned _osd_req_alist_elem_size(struct osd_request *or, unsigned len) 2024ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh{ 203c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh return osd_req_is_ver1(or) ? 204c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh osdv1_attr_list_elem_size(len) : 205c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh osdv2_attr_list_elem_size(len); 2064ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh} 2074ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 20871f32e31e5638df37904697e2d04182935add85dBoaz Harroshstatic void _osd_req_alist_elem_encode(struct osd_request *or, 20971f32e31e5638df37904697e2d04182935add85dBoaz Harrosh void *attr_last, const struct osd_attr *oa) 21071f32e31e5638df37904697e2d04182935add85dBoaz Harrosh{ 21171f32e31e5638df37904697e2d04182935add85dBoaz Harrosh if (osd_req_is_ver1(or)) { 21271f32e31e5638df37904697e2d04182935add85dBoaz Harrosh struct osdv1_attributes_list_element *attr = attr_last; 21371f32e31e5638df37904697e2d04182935add85dBoaz Harrosh 21471f32e31e5638df37904697e2d04182935add85dBoaz Harrosh attr->attr_page = cpu_to_be32(oa->attr_page); 21571f32e31e5638df37904697e2d04182935add85dBoaz Harrosh attr->attr_id = cpu_to_be32(oa->attr_id); 21671f32e31e5638df37904697e2d04182935add85dBoaz Harrosh attr->attr_bytes = cpu_to_be16(oa->len); 21771f32e31e5638df37904697e2d04182935add85dBoaz Harrosh memcpy(attr->attr_val, oa->val_ptr, oa->len); 21871f32e31e5638df37904697e2d04182935add85dBoaz Harrosh } else { 21971f32e31e5638df37904697e2d04182935add85dBoaz Harrosh struct osdv2_attributes_list_element *attr = attr_last; 22071f32e31e5638df37904697e2d04182935add85dBoaz Harrosh 22171f32e31e5638df37904697e2d04182935add85dBoaz Harrosh attr->attr_page = cpu_to_be32(oa->attr_page); 22271f32e31e5638df37904697e2d04182935add85dBoaz Harrosh attr->attr_id = cpu_to_be32(oa->attr_id); 22371f32e31e5638df37904697e2d04182935add85dBoaz Harrosh attr->attr_bytes = cpu_to_be16(oa->len); 22471f32e31e5638df37904697e2d04182935add85dBoaz Harrosh memcpy(attr->attr_val, oa->val_ptr, oa->len); 22571f32e31e5638df37904697e2d04182935add85dBoaz Harrosh } 22671f32e31e5638df37904697e2d04182935add85dBoaz Harrosh} 22771f32e31e5638df37904697e2d04182935add85dBoaz Harrosh 22871f32e31e5638df37904697e2d04182935add85dBoaz Harroshstatic int _osd_req_alist_elem_decode(struct osd_request *or, 22971f32e31e5638df37904697e2d04182935add85dBoaz Harrosh void *cur_p, struct osd_attr *oa, unsigned max_bytes) 23071f32e31e5638df37904697e2d04182935add85dBoaz Harrosh{ 23171f32e31e5638df37904697e2d04182935add85dBoaz Harrosh unsigned inc; 23271f32e31e5638df37904697e2d04182935add85dBoaz Harrosh if (osd_req_is_ver1(or)) { 23371f32e31e5638df37904697e2d04182935add85dBoaz Harrosh struct osdv1_attributes_list_element *attr = cur_p; 23471f32e31e5638df37904697e2d04182935add85dBoaz Harrosh 23571f32e31e5638df37904697e2d04182935add85dBoaz Harrosh if (max_bytes < sizeof(*attr)) 23671f32e31e5638df37904697e2d04182935add85dBoaz Harrosh return -1; 23771f32e31e5638df37904697e2d04182935add85dBoaz Harrosh 23871f32e31e5638df37904697e2d04182935add85dBoaz Harrosh oa->len = be16_to_cpu(attr->attr_bytes); 23971f32e31e5638df37904697e2d04182935add85dBoaz Harrosh inc = _osd_req_alist_elem_size(or, oa->len); 24071f32e31e5638df37904697e2d04182935add85dBoaz Harrosh if (inc > max_bytes) 24171f32e31e5638df37904697e2d04182935add85dBoaz Harrosh return -1; 24271f32e31e5638df37904697e2d04182935add85dBoaz Harrosh 24371f32e31e5638df37904697e2d04182935add85dBoaz Harrosh oa->attr_page = be32_to_cpu(attr->attr_page); 24471f32e31e5638df37904697e2d04182935add85dBoaz Harrosh oa->attr_id = be32_to_cpu(attr->attr_id); 24571f32e31e5638df37904697e2d04182935add85dBoaz Harrosh 24671f32e31e5638df37904697e2d04182935add85dBoaz Harrosh /* OSD1: On empty attributes we return a pointer to 2 bytes 24771f32e31e5638df37904697e2d04182935add85dBoaz Harrosh * of zeros. This keeps similar behaviour with OSD2. 24871f32e31e5638df37904697e2d04182935add85dBoaz Harrosh * (See below) 24971f32e31e5638df37904697e2d04182935add85dBoaz Harrosh */ 25071f32e31e5638df37904697e2d04182935add85dBoaz Harrosh oa->val_ptr = likely(oa->len) ? attr->attr_val : 25171f32e31e5638df37904697e2d04182935add85dBoaz Harrosh (u8 *)&attr->attr_bytes; 25271f32e31e5638df37904697e2d04182935add85dBoaz Harrosh } else { 25371f32e31e5638df37904697e2d04182935add85dBoaz Harrosh struct osdv2_attributes_list_element *attr = cur_p; 25471f32e31e5638df37904697e2d04182935add85dBoaz Harrosh 25571f32e31e5638df37904697e2d04182935add85dBoaz Harrosh if (max_bytes < sizeof(*attr)) 25671f32e31e5638df37904697e2d04182935add85dBoaz Harrosh return -1; 25771f32e31e5638df37904697e2d04182935add85dBoaz Harrosh 25871f32e31e5638df37904697e2d04182935add85dBoaz Harrosh oa->len = be16_to_cpu(attr->attr_bytes); 25971f32e31e5638df37904697e2d04182935add85dBoaz Harrosh inc = _osd_req_alist_elem_size(or, oa->len); 26071f32e31e5638df37904697e2d04182935add85dBoaz Harrosh if (inc > max_bytes) 26171f32e31e5638df37904697e2d04182935add85dBoaz Harrosh return -1; 26271f32e31e5638df37904697e2d04182935add85dBoaz Harrosh 26371f32e31e5638df37904697e2d04182935add85dBoaz Harrosh oa->attr_page = be32_to_cpu(attr->attr_page); 26471f32e31e5638df37904697e2d04182935add85dBoaz Harrosh oa->attr_id = be32_to_cpu(attr->attr_id); 26571f32e31e5638df37904697e2d04182935add85dBoaz Harrosh 266e9da4d7f731dafc2b93ce7b31aa09c4d935ef978Boaz Harrosh /* OSD2: For convenience, on empty attributes, we return 8 bytes 267e9da4d7f731dafc2b93ce7b31aa09c4d935ef978Boaz Harrosh * of zeros here. This keeps the same behaviour with OSD2r04, 268e9da4d7f731dafc2b93ce7b31aa09c4d935ef978Boaz Harrosh * and is nice with null terminating ASCII fields. 269e9da4d7f731dafc2b93ce7b31aa09c4d935ef978Boaz Harrosh * oa->val_ptr == NULL marks the end-of-list, or error. 270e9da4d7f731dafc2b93ce7b31aa09c4d935ef978Boaz Harrosh */ 271e9da4d7f731dafc2b93ce7b31aa09c4d935ef978Boaz Harrosh oa->val_ptr = likely(oa->len) ? attr->attr_val : attr->reserved; 27271f32e31e5638df37904697e2d04182935add85dBoaz Harrosh } 27371f32e31e5638df37904697e2d04182935add85dBoaz Harrosh return inc; 27471f32e31e5638df37904697e2d04182935add85dBoaz Harrosh} 27571f32e31e5638df37904697e2d04182935add85dBoaz Harrosh 2764ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harroshstatic unsigned _osd_req_alist_size(struct osd_request *or, void *list_head) 2774ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh{ 278c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh return osd_req_is_ver1(or) ? 279c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh osdv1_list_size(list_head) : 280c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh osdv2_list_size(list_head); 2814ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh} 2824ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 2834ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harroshstatic unsigned _osd_req_sizeof_alist_header(struct osd_request *or) 2844ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh{ 285c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh return osd_req_is_ver1(or) ? 286c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh sizeof(struct osdv1_attributes_list_header) : 287c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh sizeof(struct osdv2_attributes_list_header); 2884ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh} 2894ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 2904ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harroshstatic void _osd_req_set_alist_type(struct osd_request *or, 2914ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh void *list, int list_type) 2924ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh{ 293c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh if (osd_req_is_ver1(or)) { 294c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh struct osdv1_attributes_list_header *attr_list = list; 295c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh 296c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh memset(attr_list, 0, sizeof(*attr_list)); 297c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh attr_list->type = list_type; 298c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh } else { 299c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh struct osdv2_attributes_list_header *attr_list = list; 3004ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 301c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh memset(attr_list, 0, sizeof(*attr_list)); 302c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh attr_list->type = list_type; 303c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh } 3044ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh} 3054ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 3064ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harroshstatic bool _osd_req_is_alist_type(struct osd_request *or, 3074ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh void *list, int list_type) 3084ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh{ 3094ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh if (!list) 3104ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh return false; 3114ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 312c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh if (osd_req_is_ver1(or)) { 3134ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh struct osdv1_attributes_list_header *attr_list = list; 3144ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 3154ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh return attr_list->type == list_type; 316c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh } else { 317c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh struct osdv2_attributes_list_header *attr_list = list; 318c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh 319c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh return attr_list->type == list_type; 3204ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh } 3214ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh} 3224ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 3233e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh/* This is for List-objects not Attributes-Lists */ 3243e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harroshstatic void _osd_req_encode_olist(struct osd_request *or, 3253e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh struct osd_obj_id_list *list) 3263e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh{ 3273e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh struct osd_cdb_head *cdbh = osd_cdb_head(&or->cdb); 3283e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh 329c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh if (osd_req_is_ver1(or)) { 330c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh cdbh->v1.list_identifier = list->list_identifier; 331c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh cdbh->v1.start_address = list->continuation_id; 332c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh } else { 333c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh cdbh->v2.list_identifier = list->list_identifier; 334c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh cdbh->v2.start_address = list->continuation_id; 335c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh } 3363e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh} 3373e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh 3384ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harroshstatic osd_cdb_offset osd_req_encode_offset(struct osd_request *or, 3394ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh u64 offset, unsigned *padding) 3404ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh{ 3414ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh return __osd_encode_offset(offset, padding, 342c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh osd_req_is_ver1(or) ? 343c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh OSDv1_OFFSET_MIN_SHIFT : OSD_OFFSET_MIN_SHIFT, 344c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh OSD_OFFSET_MAX_SHIFT); 3454ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh} 3464ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 347345c435dbb0b77b00ffe73801102533e24c647afBoaz Harroshstatic struct osd_security_parameters * 348345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh_osd_req_sec_params(struct osd_request *or) 349345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh{ 350345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh struct osd_cdb *ocdb = &or->cdb; 351345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh 352c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh if (osd_req_is_ver1(or)) 353f8d3a644bec74fd55dbfb11f95af7bf98fa963dcBoaz Harrosh return (struct osd_security_parameters *)&ocdb->v1.sec_params; 354c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh else 355f8d3a644bec74fd55dbfb11f95af7bf98fa963dcBoaz Harrosh return (struct osd_security_parameters *)&ocdb->v2.sec_params; 356345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh} 357345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh 35802941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harroshvoid osd_dev_init(struct osd_dev *osdd, struct scsi_device *scsi_device) 35902941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh{ 36002941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh memset(osdd, 0, sizeof(*osdd)); 36102941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh osdd->scsi_device = scsi_device; 36202941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh osdd->def_timeout = BLK_DEFAULT_SG_TIMEOUT; 363c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh#ifdef OSD_VER1_SUPPORT 364c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh osdd->version = OSD_VER2; 365c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh#endif 36602941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh /* TODO: Allocate pools for osd_request attributes ... */ 36702941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh} 36802941a530ef736210b4cf8b24dd34c238d5d5a40Boaz HarroshEXPORT_SYMBOL(osd_dev_init); 36902941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 37002941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harroshvoid osd_dev_fini(struct osd_dev *osdd) 37102941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh{ 37202941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh /* TODO: De-allocate pools */ 37302941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 37402941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh osdd->scsi_device = NULL; 37502941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh} 37602941a530ef736210b4cf8b24dd34c238d5d5a40Boaz HarroshEXPORT_SYMBOL(osd_dev_fini); 37702941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 37802941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harroshstatic struct osd_request *_osd_request_alloc(gfp_t gfp) 37902941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh{ 38002941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh struct osd_request *or; 38102941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 38202941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh /* TODO: Use mempool with one saved request */ 38302941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh or = kzalloc(sizeof(*or), gfp); 38402941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh return or; 38502941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh} 38602941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 38702941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harroshstatic void _osd_request_free(struct osd_request *or) 38802941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh{ 38902941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh kfree(or); 39002941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh} 39102941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 39202941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harroshstruct osd_request *osd_start_request(struct osd_dev *dev, gfp_t gfp) 39302941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh{ 39402941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh struct osd_request *or; 39502941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 39602941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh or = _osd_request_alloc(gfp); 39702941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh if (!or) 39802941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh return NULL; 39902941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 40002941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh or->osd_dev = dev; 40102941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh or->alloc_flags = gfp; 40202941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh or->timeout = dev->def_timeout; 40302941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh or->retries = OSD_REQ_RETRIES; 40402941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 40502941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh return or; 40602941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh} 40702941a530ef736210b4cf8b24dd34c238d5d5a40Boaz HarroshEXPORT_SYMBOL(osd_start_request); 40802941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 4094ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harroshstatic void _osd_free_seg(struct osd_request *or __unused, 4104ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh struct _osd_req_data_segment *seg) 4114ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh{ 4124ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh if (!seg->buff || !seg->alloc_size) 4134ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh return; 4144ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 4154ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh kfree(seg->buff); 4164ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh seg->buff = NULL; 4174ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh seg->alloc_size = 0; 4184ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh} 4194ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 4208c0baccadc86d9f07e663dd255751dd70e461ba3Boaz Harroshstatic void _put_request(struct request *rq , bool is_async) 4218c0baccadc86d9f07e663dd255751dd70e461ba3Boaz Harrosh{ 4228c0baccadc86d9f07e663dd255751dd70e461ba3Boaz Harrosh if (is_async) { 4238c0baccadc86d9f07e663dd255751dd70e461ba3Boaz Harrosh WARN_ON(rq->bio); 4248c0baccadc86d9f07e663dd255751dd70e461ba3Boaz Harrosh __blk_put_request(rq->q, rq); 4258c0baccadc86d9f07e663dd255751dd70e461ba3Boaz Harrosh } else { 4268c0baccadc86d9f07e663dd255751dd70e461ba3Boaz Harrosh /* 4278c0baccadc86d9f07e663dd255751dd70e461ba3Boaz Harrosh * If osd_finalize_request() was called but the request was not 4288c0baccadc86d9f07e663dd255751dd70e461ba3Boaz Harrosh * executed through the block layer, then we must release BIOs. 4298c0baccadc86d9f07e663dd255751dd70e461ba3Boaz Harrosh * TODO: Keep error code in or->async_error. Need to audit all 4308c0baccadc86d9f07e663dd255751dd70e461ba3Boaz Harrosh * code paths. 4318c0baccadc86d9f07e663dd255751dd70e461ba3Boaz Harrosh */ 4328c0baccadc86d9f07e663dd255751dd70e461ba3Boaz Harrosh if (unlikely(rq->bio)) 4338c0baccadc86d9f07e663dd255751dd70e461ba3Boaz Harrosh blk_end_request(rq, -ENOMEM, blk_rq_bytes(rq)); 4348c0baccadc86d9f07e663dd255751dd70e461ba3Boaz Harrosh else 4358c0baccadc86d9f07e663dd255751dd70e461ba3Boaz Harrosh blk_put_request(rq); 4368c0baccadc86d9f07e663dd255751dd70e461ba3Boaz Harrosh } 4378c0baccadc86d9f07e663dd255751dd70e461ba3Boaz Harrosh} 4388c0baccadc86d9f07e663dd255751dd70e461ba3Boaz Harrosh 43902941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harroshvoid osd_end_request(struct osd_request *or) 44002941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh{ 44102941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh struct request *rq = or->request; 4428c0baccadc86d9f07e663dd255751dd70e461ba3Boaz Harrosh /* IMPORTANT: make sure this agrees with osd_execute_request_async */ 4438c0baccadc86d9f07e663dd255751dd70e461ba3Boaz Harrosh bool is_async = (or->request->end_io_data == or); 44402941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 4454ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh _osd_free_seg(or, &or->set_attr); 4464ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh _osd_free_seg(or, &or->enc_get_attr); 4474ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh _osd_free_seg(or, &or->get_attr); 4484ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 44902941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh if (rq) { 45002941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh if (rq->next_rq) { 4518c0baccadc86d9f07e663dd255751dd70e461ba3Boaz Harrosh _put_request(rq->next_rq, is_async); 4528c0baccadc86d9f07e663dd255751dd70e461ba3Boaz Harrosh rq->next_rq = NULL; 45302941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh } 45402941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 4558c0baccadc86d9f07e663dd255751dd70e461ba3Boaz Harrosh _put_request(rq, is_async); 45602941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh } 45702941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh _osd_request_free(or); 45802941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh} 45902941a530ef736210b4cf8b24dd34c238d5d5a40Boaz HarroshEXPORT_SYMBOL(osd_end_request); 46002941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 46102941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harroshint osd_execute_request(struct osd_request *or) 46202941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh{ 46302941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh return blk_execute_rq(or->request->q, NULL, or->request, 0); 46402941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh} 46502941a530ef736210b4cf8b24dd34c238d5d5a40Boaz HarroshEXPORT_SYMBOL(osd_execute_request); 46602941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 46702941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harroshstatic void osd_request_async_done(struct request *req, int error) 46802941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh{ 46902941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh struct osd_request *or = req->end_io_data; 47002941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 47102941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh or->async_error = error; 47202941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 47302941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh if (error) 47402941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh OSD_DEBUG("osd_request_async_done error recieved %d\n", error); 47502941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 47602941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh if (or->async_done) 47702941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh or->async_done(or, or->async_private); 47802941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh else 47902941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh osd_end_request(or); 48002941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh} 48102941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 48202941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harroshint osd_execute_request_async(struct osd_request *or, 48302941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh osd_req_done_fn *done, void *private) 48402941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh{ 48502941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh or->request->end_io_data = or; 48602941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh or->async_private = private; 48702941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh or->async_done = done; 48802941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 48902941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh blk_execute_rq_nowait(or->request->q, NULL, or->request, 0, 49002941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh osd_request_async_done); 49102941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh return 0; 49202941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh} 49302941a530ef736210b4cf8b24dd34c238d5d5a40Boaz HarroshEXPORT_SYMBOL(osd_execute_request_async); 49402941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 4954ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harroshu8 sg_out_pad_buffer[1 << OSDv1_OFFSET_MIN_SHIFT]; 4964ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harroshu8 sg_in_pad_buffer[1 << OSDv1_OFFSET_MIN_SHIFT]; 4974ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 4984ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harroshstatic int _osd_realloc_seg(struct osd_request *or, 4994ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh struct _osd_req_data_segment *seg, unsigned max_bytes) 5004ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh{ 5014ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh void *buff; 5024ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 5034ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh if (seg->alloc_size >= max_bytes) 5044ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh return 0; 5054ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 5064ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh buff = krealloc(seg->buff, max_bytes, or->alloc_flags); 5074ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh if (!buff) { 5084ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh OSD_ERR("Failed to Realloc %d-bytes was-%d\n", max_bytes, 5094ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh seg->alloc_size); 5104ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh return -ENOMEM; 5114ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh } 5124ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 5134ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh memset(buff + seg->alloc_size, 0, max_bytes - seg->alloc_size); 5144ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh seg->buff = buff; 5154ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh seg->alloc_size = max_bytes; 5164ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh return 0; 5174ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh} 5184ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 5194ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harroshstatic int _alloc_set_attr_list(struct osd_request *or, 5204ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh const struct osd_attr *oa, unsigned nelem, unsigned add_bytes) 5214ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh{ 5224ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh unsigned total_bytes = add_bytes; 5234ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 5244ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh for (; nelem; --nelem, ++oa) 5254ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh total_bytes += _osd_req_alist_elem_size(or, oa->len); 5264ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 5274ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh OSD_DEBUG("total_bytes=%d\n", total_bytes); 5284ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh return _osd_realloc_seg(or, &or->set_attr, total_bytes); 5294ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh} 5304ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 5314ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harroshstatic int _alloc_get_attr_desc(struct osd_request *or, unsigned max_bytes) 5324ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh{ 5334ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh OSD_DEBUG("total_bytes=%d\n", max_bytes); 5344ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh return _osd_realloc_seg(or, &or->enc_get_attr, max_bytes); 5354ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh} 5364ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 5374ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harroshstatic int _alloc_get_attr_list(struct osd_request *or) 5384ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh{ 5394ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh OSD_DEBUG("total_bytes=%d\n", or->get_attr.total_bytes); 5404ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh return _osd_realloc_seg(or, &or->get_attr, or->get_attr.total_bytes); 5414ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh} 5424ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 54302941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh/* 54402941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh * Common to all OSD commands 54502941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh */ 54602941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 54702941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harroshstatic void _osdv1_req_encode_common(struct osd_request *or, 54802941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh __be16 act, const struct osd_obj_id *obj, u64 offset, u64 len) 54902941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh{ 55002941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh struct osdv1_cdb *ocdb = &or->cdb.v1; 55102941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 55202941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh /* 55302941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh * For speed, the commands 55402941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh * OSD_ACT_PERFORM_SCSI_COMMAND , V1 0x8F7E, V2 0x8F7C 55502941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh * OSD_ACT_SCSI_TASK_MANAGEMENT , V1 0x8F7F, V2 0x8F7D 55602941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh * are not supported here. Should pass zero and set after the call 55702941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh */ 55802941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh act &= cpu_to_be16(~0x0080); /* V1 action code */ 55902941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 56002941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh OSD_DEBUG("OSDv1 execute opcode 0x%x\n", be16_to_cpu(act)); 56102941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 56202941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh ocdb->h.varlen_cdb.opcode = VARIABLE_LENGTH_CMD; 56302941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh ocdb->h.varlen_cdb.additional_cdb_length = OSD_ADDITIONAL_CDB_LENGTH; 56402941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh ocdb->h.varlen_cdb.service_action = act; 56502941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 56602941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh ocdb->h.partition = cpu_to_be64(obj->partition); 56702941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh ocdb->h.object = cpu_to_be64(obj->id); 56802941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh ocdb->h.v1.length = cpu_to_be64(len); 56902941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh ocdb->h.v1.start_address = cpu_to_be64(offset); 57002941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh} 57102941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 572c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harroshstatic void _osdv2_req_encode_common(struct osd_request *or, 573c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh __be16 act, const struct osd_obj_id *obj, u64 offset, u64 len) 574c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh{ 575c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh struct osdv2_cdb *ocdb = &or->cdb.v2; 576c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh 577c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh OSD_DEBUG("OSDv2 execute opcode 0x%x\n", be16_to_cpu(act)); 578c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh 579c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh ocdb->h.varlen_cdb.opcode = VARIABLE_LENGTH_CMD; 580c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh ocdb->h.varlen_cdb.additional_cdb_length = OSD_ADDITIONAL_CDB_LENGTH; 581c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh ocdb->h.varlen_cdb.service_action = act; 582c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh 583c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh ocdb->h.partition = cpu_to_be64(obj->partition); 584c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh ocdb->h.object = cpu_to_be64(obj->id); 585c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh ocdb->h.v2.length = cpu_to_be64(len); 586c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh ocdb->h.v2.start_address = cpu_to_be64(offset); 587c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh} 588c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh 58902941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harroshstatic void _osd_req_encode_common(struct osd_request *or, 59002941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh __be16 act, const struct osd_obj_id *obj, u64 offset, u64 len) 59102941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh{ 592c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh if (osd_req_is_ver1(or)) 593c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh _osdv1_req_encode_common(or, act, obj, offset, len); 594c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh else 595c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh _osdv2_req_encode_common(or, act, obj, offset, len); 59602941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh} 59702941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 59802941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh/* 59902941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh * Device commands 60002941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh */ 601ae30c994a4bb70510fdcb9e7223805bb2a8bc9eeBoaz Harrosh/*TODO: void osd_req_set_master_seed_xchg(struct osd_request *, ...); */ 602ae30c994a4bb70510fdcb9e7223805bb2a8bc9eeBoaz Harrosh/*TODO: void osd_req_set_master_key(struct osd_request *, ...); */ 603ae30c994a4bb70510fdcb9e7223805bb2a8bc9eeBoaz Harrosh 60402941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harroshvoid osd_req_format(struct osd_request *or, u64 tot_capacity) 60502941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh{ 60602941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh _osd_req_encode_common(or, OSD_ACT_FORMAT_OSD, &osd_root_object, 0, 60702941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh tot_capacity); 60802941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh} 60902941a530ef736210b4cf8b24dd34c238d5d5a40Boaz HarroshEXPORT_SYMBOL(osd_req_format); 61002941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 6113e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harroshint osd_req_list_dev_partitions(struct osd_request *or, 6123e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh osd_id initial_id, struct osd_obj_id_list *list, unsigned nelem) 6133e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh{ 6143e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh return osd_req_list_partition_objects(or, 0, initial_id, list, nelem); 6153e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh} 6163e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz HarroshEXPORT_SYMBOL(osd_req_list_dev_partitions); 6173e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh 6183e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harroshstatic void _osd_req_encode_flush(struct osd_request *or, 6193e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh enum osd_options_flush_scope_values op) 6203e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh{ 6213e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh struct osd_cdb_head *ocdb = osd_cdb_head(&or->cdb); 6223e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh 6233e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh ocdb->command_specific_options = op; 6243e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh} 6253e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh 6263e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harroshvoid osd_req_flush_obsd(struct osd_request *or, 6273e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh enum osd_options_flush_scope_values op) 6283e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh{ 6293e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh _osd_req_encode_common(or, OSD_ACT_FLUSH_OSD, &osd_root_object, 0, 0); 6303e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh _osd_req_encode_flush(or, op); 6313e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh} 6323e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz HarroshEXPORT_SYMBOL(osd_req_flush_obsd); 6333e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh 634ae30c994a4bb70510fdcb9e7223805bb2a8bc9eeBoaz Harrosh/*TODO: void osd_req_perform_scsi_command(struct osd_request *, 635ae30c994a4bb70510fdcb9e7223805bb2a8bc9eeBoaz Harrosh const u8 *cdb, ...); */ 636ae30c994a4bb70510fdcb9e7223805bb2a8bc9eeBoaz Harrosh/*TODO: void osd_req_task_management(struct osd_request *, ...); */ 637ae30c994a4bb70510fdcb9e7223805bb2a8bc9eeBoaz Harrosh 63802941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh/* 63902941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh * Partition commands 64002941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh */ 64102941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harroshstatic void _osd_req_encode_partition(struct osd_request *or, 64202941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh __be16 act, osd_id partition) 64302941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh{ 64402941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh struct osd_obj_id par = { 64502941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh .partition = partition, 64602941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh .id = 0, 64702941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh }; 64802941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 64902941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh _osd_req_encode_common(or, act, &par, 0, 0); 65002941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh} 65102941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 65202941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harroshvoid osd_req_create_partition(struct osd_request *or, osd_id partition) 65302941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh{ 65402941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh _osd_req_encode_partition(or, OSD_ACT_CREATE_PARTITION, partition); 65502941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh} 65602941a530ef736210b4cf8b24dd34c238d5d5a40Boaz HarroshEXPORT_SYMBOL(osd_req_create_partition); 65702941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 65802941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harroshvoid osd_req_remove_partition(struct osd_request *or, osd_id partition) 65902941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh{ 66002941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh _osd_req_encode_partition(or, OSD_ACT_REMOVE_PARTITION, partition); 66102941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh} 66202941a530ef736210b4cf8b24dd34c238d5d5a40Boaz HarroshEXPORT_SYMBOL(osd_req_remove_partition); 66302941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 664ae30c994a4bb70510fdcb9e7223805bb2a8bc9eeBoaz Harrosh/*TODO: void osd_req_set_partition_key(struct osd_request *, 665ae30c994a4bb70510fdcb9e7223805bb2a8bc9eeBoaz Harrosh osd_id partition, u8 new_key_id[OSD_CRYPTO_KEYID_SIZE], 666ae30c994a4bb70510fdcb9e7223805bb2a8bc9eeBoaz Harrosh u8 seed[OSD_CRYPTO_SEED_SIZE]); */ 667ae30c994a4bb70510fdcb9e7223805bb2a8bc9eeBoaz Harrosh 6683e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harroshstatic int _osd_req_list_objects(struct osd_request *or, 6693e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh __be16 action, const struct osd_obj_id *obj, osd_id initial_id, 6703e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh struct osd_obj_id_list *list, unsigned nelem) 6713e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh{ 6723e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh struct request_queue *q = or->osd_dev->scsi_device->request_queue; 6733e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh u64 len = nelem * sizeof(osd_id) + sizeof(*list); 6743e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh struct bio *bio; 6753e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh 6763e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh _osd_req_encode_common(or, action, obj, (u64)initial_id, len); 6773e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh 6783e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh if (list->list_identifier) 6793e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh _osd_req_encode_olist(or, list); 6803e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh 6813e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh WARN_ON(or->in.bio); 6823e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh bio = bio_map_kern(q, list, len, or->alloc_flags); 683bf5e84f69618f416e89a5a53434a8c865e70252eDan Carpenter if (IS_ERR(bio)) { 6843e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh OSD_ERR("!!! Failed to allocate list_objects BIO\n"); 685bf5e84f69618f416e89a5a53434a8c865e70252eDan Carpenter return PTR_ERR(bio); 6863e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh } 6873e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh 6883e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh bio->bi_rw &= ~(1 << BIO_RW); 6893e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh or->in.bio = bio; 6903e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh or->in.total_bytes = bio->bi_size; 6913e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh return 0; 6923e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh} 6933e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh 6943e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harroshint osd_req_list_partition_collections(struct osd_request *or, 6953e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh osd_id partition, osd_id initial_id, struct osd_obj_id_list *list, 6963e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh unsigned nelem) 6973e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh{ 6983e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh struct osd_obj_id par = { 6993e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh .partition = partition, 7003e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh .id = 0, 7013e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh }; 7023e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh 7033e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh return osd_req_list_collection_objects(or, &par, initial_id, list, 7043e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh nelem); 7053e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh} 7063e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz HarroshEXPORT_SYMBOL(osd_req_list_partition_collections); 7073e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh 7083e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harroshint osd_req_list_partition_objects(struct osd_request *or, 7093e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh osd_id partition, osd_id initial_id, struct osd_obj_id_list *list, 7103e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh unsigned nelem) 7113e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh{ 7123e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh struct osd_obj_id par = { 7133e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh .partition = partition, 7143e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh .id = 0, 7153e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh }; 7163e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh 7173e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh return _osd_req_list_objects(or, OSD_ACT_LIST, &par, initial_id, list, 7183e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh nelem); 7193e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh} 7203e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz HarroshEXPORT_SYMBOL(osd_req_list_partition_objects); 7213e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh 7223e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harroshvoid osd_req_flush_partition(struct osd_request *or, 7233e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh osd_id partition, enum osd_options_flush_scope_values op) 7243e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh{ 7253e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh _osd_req_encode_partition(or, OSD_ACT_FLUSH_PARTITION, partition); 7263e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh _osd_req_encode_flush(or, op); 7273e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh} 7283e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz HarroshEXPORT_SYMBOL(osd_req_flush_partition); 7293e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh 7303e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh/* 7313e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh * Collection commands 7323e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh */ 733ae30c994a4bb70510fdcb9e7223805bb2a8bc9eeBoaz Harrosh/*TODO: void osd_req_create_collection(struct osd_request *, 734ae30c994a4bb70510fdcb9e7223805bb2a8bc9eeBoaz Harrosh const struct osd_obj_id *); */ 735ae30c994a4bb70510fdcb9e7223805bb2a8bc9eeBoaz Harrosh/*TODO: void osd_req_remove_collection(struct osd_request *, 736ae30c994a4bb70510fdcb9e7223805bb2a8bc9eeBoaz Harrosh const struct osd_obj_id *); */ 737ae30c994a4bb70510fdcb9e7223805bb2a8bc9eeBoaz Harrosh 7383e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harroshint osd_req_list_collection_objects(struct osd_request *or, 7393e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh const struct osd_obj_id *obj, osd_id initial_id, 7403e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh struct osd_obj_id_list *list, unsigned nelem) 7413e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh{ 7423e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh return _osd_req_list_objects(or, OSD_ACT_LIST_COLLECTION, obj, 7433e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh initial_id, list, nelem); 7443e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh} 7453e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz HarroshEXPORT_SYMBOL(osd_req_list_collection_objects); 7463e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh 747ae30c994a4bb70510fdcb9e7223805bb2a8bc9eeBoaz Harrosh/*TODO: void query(struct osd_request *, ...); V2 */ 748ae30c994a4bb70510fdcb9e7223805bb2a8bc9eeBoaz Harrosh 7493e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harroshvoid osd_req_flush_collection(struct osd_request *or, 7503e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh const struct osd_obj_id *obj, enum osd_options_flush_scope_values op) 7513e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh{ 7523e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh _osd_req_encode_common(or, OSD_ACT_FLUSH_PARTITION, obj, 0, 0); 7533e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh _osd_req_encode_flush(or, op); 7543e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh} 7553e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz HarroshEXPORT_SYMBOL(osd_req_flush_collection); 7563e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh 757ae30c994a4bb70510fdcb9e7223805bb2a8bc9eeBoaz Harrosh/*TODO: void get_member_attrs(struct osd_request *, ...); V2 */ 758ae30c994a4bb70510fdcb9e7223805bb2a8bc9eeBoaz Harrosh/*TODO: void set_member_attrs(struct osd_request *, ...); V2 */ 759ae30c994a4bb70510fdcb9e7223805bb2a8bc9eeBoaz Harrosh 76002941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh/* 76102941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh * Object commands 76202941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh */ 76302941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harroshvoid osd_req_create_object(struct osd_request *or, struct osd_obj_id *obj) 76402941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh{ 76502941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh _osd_req_encode_common(or, OSD_ACT_CREATE, obj, 0, 0); 76602941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh} 76702941a530ef736210b4cf8b24dd34c238d5d5a40Boaz HarroshEXPORT_SYMBOL(osd_req_create_object); 76802941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 76902941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harroshvoid osd_req_remove_object(struct osd_request *or, struct osd_obj_id *obj) 77002941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh{ 77102941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh _osd_req_encode_common(or, OSD_ACT_REMOVE, obj, 0, 0); 77202941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh} 77302941a530ef736210b4cf8b24dd34c238d5d5a40Boaz HarroshEXPORT_SYMBOL(osd_req_remove_object); 77402941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 775ae30c994a4bb70510fdcb9e7223805bb2a8bc9eeBoaz Harrosh 776ae30c994a4bb70510fdcb9e7223805bb2a8bc9eeBoaz Harrosh/*TODO: void osd_req_create_multi(struct osd_request *or, 777ae30c994a4bb70510fdcb9e7223805bb2a8bc9eeBoaz Harrosh struct osd_obj_id *first, struct osd_obj_id_list *list, unsigned nelem); 778ae30c994a4bb70510fdcb9e7223805bb2a8bc9eeBoaz Harrosh*/ 779ae30c994a4bb70510fdcb9e7223805bb2a8bc9eeBoaz Harrosh 78002941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harroshvoid osd_req_write(struct osd_request *or, 78102941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh const struct osd_obj_id *obj, struct bio *bio, u64 offset) 78202941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh{ 78302941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh _osd_req_encode_common(or, OSD_ACT_WRITE, obj, offset, bio->bi_size); 78402941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh WARN_ON(or->out.bio || or->out.total_bytes); 78502941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh bio->bi_rw |= (1 << BIO_RW); 78602941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh or->out.bio = bio; 78702941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh or->out.total_bytes = bio->bi_size; 78802941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh} 78902941a530ef736210b4cf8b24dd34c238d5d5a40Boaz HarroshEXPORT_SYMBOL(osd_req_write); 79002941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 791ae30c994a4bb70510fdcb9e7223805bb2a8bc9eeBoaz Harrosh/*TODO: void osd_req_append(struct osd_request *, 792ae30c994a4bb70510fdcb9e7223805bb2a8bc9eeBoaz Harrosh const struct osd_obj_id *, struct bio *data_out); */ 793ae30c994a4bb70510fdcb9e7223805bb2a8bc9eeBoaz Harrosh/*TODO: void osd_req_create_write(struct osd_request *, 794ae30c994a4bb70510fdcb9e7223805bb2a8bc9eeBoaz Harrosh const struct osd_obj_id *, struct bio *data_out, u64 offset); */ 795ae30c994a4bb70510fdcb9e7223805bb2a8bc9eeBoaz Harrosh/*TODO: void osd_req_clear(struct osd_request *, 796ae30c994a4bb70510fdcb9e7223805bb2a8bc9eeBoaz Harrosh const struct osd_obj_id *, u64 offset, u64 len); */ 797ae30c994a4bb70510fdcb9e7223805bb2a8bc9eeBoaz Harrosh/*TODO: void osd_req_punch(struct osd_request *, 798ae30c994a4bb70510fdcb9e7223805bb2a8bc9eeBoaz Harrosh const struct osd_obj_id *, u64 offset, u64 len); V2 */ 799ae30c994a4bb70510fdcb9e7223805bb2a8bc9eeBoaz Harrosh 8003e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harroshvoid osd_req_flush_object(struct osd_request *or, 8013e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh const struct osd_obj_id *obj, enum osd_options_flush_scope_values op, 8023e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh /*V2*/ u64 offset, /*V2*/ u64 len) 8033e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh{ 804c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh if (unlikely(osd_req_is_ver1(or) && (offset || len))) { 805c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh OSD_DEBUG("OSD Ver1 flush on specific range ignored\n"); 806c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh offset = 0; 807c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh len = 0; 808c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh } 809c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh 8103e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh _osd_req_encode_common(or, OSD_ACT_FLUSH, obj, offset, len); 8113e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh _osd_req_encode_flush(or, op); 8123e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh} 8133e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz HarroshEXPORT_SYMBOL(osd_req_flush_object); 8143e08613037fd4ec0b716a215602c4bdb3d0d9171Boaz Harrosh 81502941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harroshvoid osd_req_read(struct osd_request *or, 81602941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh const struct osd_obj_id *obj, struct bio *bio, u64 offset) 81702941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh{ 81802941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh _osd_req_encode_common(or, OSD_ACT_READ, obj, offset, bio->bi_size); 81902941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh WARN_ON(or->in.bio || or->in.total_bytes); 82002941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh bio->bi_rw &= ~(1 << BIO_RW); 82102941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh or->in.bio = bio; 82202941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh or->in.total_bytes = bio->bi_size; 82302941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh} 82402941a530ef736210b4cf8b24dd34c238d5d5a40Boaz HarroshEXPORT_SYMBOL(osd_req_read); 82502941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 8264ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harroshvoid osd_req_get_attributes(struct osd_request *or, 8274ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh const struct osd_obj_id *obj) 8284ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh{ 8294ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh _osd_req_encode_common(or, OSD_ACT_GET_ATTRIBUTES, obj, 0, 0); 8304ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh} 8314ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz HarroshEXPORT_SYMBOL(osd_req_get_attributes); 8324ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 8334ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harroshvoid osd_req_set_attributes(struct osd_request *or, 8344ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh const struct osd_obj_id *obj) 8354ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh{ 8364ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh _osd_req_encode_common(or, OSD_ACT_SET_ATTRIBUTES, obj, 0, 0); 8374ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh} 8384ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz HarroshEXPORT_SYMBOL(osd_req_set_attributes); 8394ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 8404ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh/* 8414ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh * Attributes List-mode 8424ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh */ 8434ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 8444ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harroshint osd_req_add_set_attr_list(struct osd_request *or, 8454ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh const struct osd_attr *oa, unsigned nelem) 8464ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh{ 8474ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh unsigned total_bytes = or->set_attr.total_bytes; 8484ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh void *attr_last; 8494ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh int ret; 8504ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 8514ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh if (or->attributes_mode && 8524ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh or->attributes_mode != OSD_CDB_GET_SET_ATTR_LISTS) { 8534ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh WARN_ON(1); 8544ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh return -EINVAL; 8554ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh } 8564ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh or->attributes_mode = OSD_CDB_GET_SET_ATTR_LISTS; 8574ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 8584ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh if (!total_bytes) { /* first-time: allocate and put list header */ 8594ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh total_bytes = _osd_req_sizeof_alist_header(or); 8604ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh ret = _alloc_set_attr_list(or, oa, nelem, total_bytes); 8614ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh if (ret) 8624ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh return ret; 8634ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh _osd_req_set_alist_type(or, or->set_attr.buff, 8644ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh OSD_ATTR_LIST_SET_RETRIEVE); 8654ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh } 8664ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh attr_last = or->set_attr.buff + total_bytes; 8674ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 8684ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh for (; nelem; --nelem) { 8694ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh unsigned elem_size = _osd_req_alist_elem_size(or, oa->len); 8704ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 8714ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh total_bytes += elem_size; 8724ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh if (unlikely(or->set_attr.alloc_size < total_bytes)) { 8734ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh or->set_attr.total_bytes = total_bytes - elem_size; 8744ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh ret = _alloc_set_attr_list(or, oa, nelem, total_bytes); 8754ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh if (ret) 8764ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh return ret; 8774ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh attr_last = 8784ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh or->set_attr.buff + or->set_attr.total_bytes; 8794ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh } 8804ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 88171f32e31e5638df37904697e2d04182935add85dBoaz Harrosh _osd_req_alist_elem_encode(or, attr_last, oa); 8824ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 8834ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh attr_last += elem_size; 8844ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh ++oa; 8854ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh } 8864ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 8874ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh or->set_attr.total_bytes = total_bytes; 8884ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh return 0; 8894ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh} 8904ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz HarroshEXPORT_SYMBOL(osd_req_add_set_attr_list); 8914ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 8924ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harroshstatic int _append_map_kern(struct request *req, 8934ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh void *buff, unsigned len, gfp_t flags) 8944ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh{ 8954ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh struct bio *bio; 8964ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh int ret; 8974ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 8984ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh bio = bio_map_kern(req->q, buff, len, flags); 8994ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh if (IS_ERR(bio)) { 9004ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh OSD_ERR("Failed bio_map_kern(%p, %d) => %ld\n", buff, len, 9014ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh PTR_ERR(bio)); 9024ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh return PTR_ERR(bio); 9034ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh } 9044ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh ret = blk_rq_append_bio(req->q, req, bio); 9054ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh if (ret) { 9064ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh OSD_ERR("Failed blk_rq_append_bio(%p) => %d\n", bio, ret); 9074ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh bio_put(bio); 9084ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh } 9094ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh return ret; 9104ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh} 9114ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 9124ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harroshstatic int _req_append_segment(struct osd_request *or, 9134ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh unsigned padding, struct _osd_req_data_segment *seg, 9144ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh struct _osd_req_data_segment *last_seg, struct _osd_io_info *io) 9154ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh{ 9164ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh void *pad_buff; 9174ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh int ret; 9184ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 9194ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh if (padding) { 9204ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh /* check if we can just add it to last buffer */ 9214ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh if (last_seg && 9224ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh (padding <= last_seg->alloc_size - last_seg->total_bytes)) 9234ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh pad_buff = last_seg->buff + last_seg->total_bytes; 9244ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh else 9254ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh pad_buff = io->pad_buff; 9264ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 9274ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh ret = _append_map_kern(io->req, pad_buff, padding, 9284ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh or->alloc_flags); 9294ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh if (ret) 9304ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh return ret; 9314ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh io->total_bytes += padding; 9324ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh } 9334ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 9344ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh ret = _append_map_kern(io->req, seg->buff, seg->total_bytes, 9354ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh or->alloc_flags); 9364ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh if (ret) 9374ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh return ret; 9384ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 9394ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh io->total_bytes += seg->total_bytes; 9404ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh OSD_DEBUG("padding=%d buff=%p total_bytes=%d\n", padding, seg->buff, 9414ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh seg->total_bytes); 9424ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh return 0; 9434ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh} 9444ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 9454ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harroshstatic int _osd_req_finalize_set_attr_list(struct osd_request *or) 9464ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh{ 9474ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh struct osd_cdb_head *cdbh = osd_cdb_head(&or->cdb); 9484ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh unsigned padding; 9494ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh int ret; 9504ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 9514ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh if (!or->set_attr.total_bytes) { 9524ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh cdbh->attrs_list.set_attr_offset = OSD_OFFSET_UNUSED; 9534ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh return 0; 9544ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh } 9554ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 9564ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh cdbh->attrs_list.set_attr_bytes = cpu_to_be32(or->set_attr.total_bytes); 9574ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh cdbh->attrs_list.set_attr_offset = 9584ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh osd_req_encode_offset(or, or->out.total_bytes, &padding); 9594ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 9604ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh ret = _req_append_segment(or, padding, &or->set_attr, 9614ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh or->out.last_seg, &or->out); 9624ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh if (ret) 9634ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh return ret; 9644ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 9654ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh or->out.last_seg = &or->set_attr; 9664ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh return 0; 9674ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh} 9684ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 9694ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harroshint osd_req_add_get_attr_list(struct osd_request *or, 9704ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh const struct osd_attr *oa, unsigned nelem) 9714ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh{ 9724ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh unsigned total_bytes = or->enc_get_attr.total_bytes; 9734ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh void *attr_last; 9744ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh int ret; 9754ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 9764ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh if (or->attributes_mode && 9774ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh or->attributes_mode != OSD_CDB_GET_SET_ATTR_LISTS) { 9784ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh WARN_ON(1); 9794ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh return -EINVAL; 9804ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh } 9814ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh or->attributes_mode = OSD_CDB_GET_SET_ATTR_LISTS; 9824ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 9834ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh /* first time calc data-in list header size */ 9844ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh if (!or->get_attr.total_bytes) 9854ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh or->get_attr.total_bytes = _osd_req_sizeof_alist_header(or); 9864ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 9874ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh /* calc data-out info */ 9884ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh if (!total_bytes) { /* first-time: allocate and put list header */ 9894ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh unsigned max_bytes; 9904ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 9914ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh total_bytes = _osd_req_sizeof_alist_header(or); 9924ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh max_bytes = total_bytes + 9934ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh nelem * sizeof(struct osd_attributes_list_attrid); 9944ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh ret = _alloc_get_attr_desc(or, max_bytes); 9954ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh if (ret) 9964ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh return ret; 9974ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 9984ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh _osd_req_set_alist_type(or, or->enc_get_attr.buff, 9994ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh OSD_ATTR_LIST_GET); 10004ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh } 10014ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh attr_last = or->enc_get_attr.buff + total_bytes; 10024ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 10034ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh for (; nelem; --nelem) { 10044ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh struct osd_attributes_list_attrid *attrid; 10054ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh const unsigned cur_size = sizeof(*attrid); 10064ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 10074ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh total_bytes += cur_size; 10084ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh if (unlikely(or->enc_get_attr.alloc_size < total_bytes)) { 10094ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh or->enc_get_attr.total_bytes = total_bytes - cur_size; 10104ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh ret = _alloc_get_attr_desc(or, 10114ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh total_bytes + nelem * sizeof(*attrid)); 10124ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh if (ret) 10134ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh return ret; 10144ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh attr_last = or->enc_get_attr.buff + 10154ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh or->enc_get_attr.total_bytes; 10164ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh } 10174ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 10184ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh attrid = attr_last; 10194ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh attrid->attr_page = cpu_to_be32(oa->attr_page); 10204ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh attrid->attr_id = cpu_to_be32(oa->attr_id); 10214ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 10224ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh attr_last += cur_size; 10234ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 10244ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh /* calc data-in size */ 10254ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh or->get_attr.total_bytes += 10264ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh _osd_req_alist_elem_size(or, oa->len); 10274ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh ++oa; 10284ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh } 10294ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 10304ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh or->enc_get_attr.total_bytes = total_bytes; 10314ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 10324ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh OSD_DEBUG( 10334ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh "get_attr.total_bytes=%u(%u) enc_get_attr.total_bytes=%u(%Zu)\n", 10344ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh or->get_attr.total_bytes, 10354ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh or->get_attr.total_bytes - _osd_req_sizeof_alist_header(or), 10364ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh or->enc_get_attr.total_bytes, 10374ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh (or->enc_get_attr.total_bytes - _osd_req_sizeof_alist_header(or)) 10384ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh / sizeof(struct osd_attributes_list_attrid)); 10394ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 10404ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh return 0; 10414ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh} 10424ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz HarroshEXPORT_SYMBOL(osd_req_add_get_attr_list); 10434ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 10444ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harroshstatic int _osd_req_finalize_get_attr_list(struct osd_request *or) 10454ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh{ 10464ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh struct osd_cdb_head *cdbh = osd_cdb_head(&or->cdb); 10474ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh unsigned out_padding; 10484ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh unsigned in_padding; 10494ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh int ret; 10504ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 10514ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh if (!or->enc_get_attr.total_bytes) { 10524ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh cdbh->attrs_list.get_attr_desc_offset = OSD_OFFSET_UNUSED; 10534ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh cdbh->attrs_list.get_attr_offset = OSD_OFFSET_UNUSED; 10544ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh return 0; 10554ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh } 10564ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 10574ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh ret = _alloc_get_attr_list(or); 10584ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh if (ret) 10594ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh return ret; 10604ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 10614ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh /* The out-going buffer info update */ 10624ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh OSD_DEBUG("out-going\n"); 10634ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh cdbh->attrs_list.get_attr_desc_bytes = 10644ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh cpu_to_be32(or->enc_get_attr.total_bytes); 10654ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 10664ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh cdbh->attrs_list.get_attr_desc_offset = 10674ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh osd_req_encode_offset(or, or->out.total_bytes, &out_padding); 10684ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 10694ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh ret = _req_append_segment(or, out_padding, &or->enc_get_attr, 10704ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh or->out.last_seg, &or->out); 10714ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh if (ret) 10724ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh return ret; 10734ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh or->out.last_seg = &or->enc_get_attr; 10744ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 10754ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh /* The incoming buffer info update */ 10764ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh OSD_DEBUG("in-coming\n"); 10774ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh cdbh->attrs_list.get_attr_alloc_length = 10784ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh cpu_to_be32(or->get_attr.total_bytes); 10794ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 10804ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh cdbh->attrs_list.get_attr_offset = 10814ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh osd_req_encode_offset(or, or->in.total_bytes, &in_padding); 10824ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 10834ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh ret = _req_append_segment(or, in_padding, &or->get_attr, NULL, 10844ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh &or->in); 10854ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh if (ret) 10864ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh return ret; 10874ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh or->in.last_seg = &or->get_attr; 10884ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 10894ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh return 0; 10904ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh} 10914ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 10924ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harroshint osd_req_decode_get_attr_list(struct osd_request *or, 10934ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh struct osd_attr *oa, int *nelem, void **iterator) 10944ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh{ 10954ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh unsigned cur_bytes, returned_bytes; 10964ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh int n; 10974ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh const unsigned sizeof_attr_list = _osd_req_sizeof_alist_header(or); 10984ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh void *cur_p; 10994ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 11004ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh if (!_osd_req_is_alist_type(or, or->get_attr.buff, 11014ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh OSD_ATTR_LIST_SET_RETRIEVE)) { 11024ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh oa->attr_page = 0; 11034ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh oa->attr_id = 0; 11044ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh oa->val_ptr = NULL; 11054ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh oa->len = 0; 11064ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh *iterator = NULL; 11074ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh return 0; 11084ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh } 11094ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 11104ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh if (*iterator) { 11114ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh BUG_ON((*iterator < or->get_attr.buff) || 11124ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh (or->get_attr.buff + or->get_attr.alloc_size < *iterator)); 11134ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh cur_p = *iterator; 11144ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh cur_bytes = (*iterator - or->get_attr.buff) - sizeof_attr_list; 11154ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh returned_bytes = or->get_attr.total_bytes; 11164ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh } else { /* first time decode the list header */ 11174ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh cur_bytes = sizeof_attr_list; 11184ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh returned_bytes = _osd_req_alist_size(or, or->get_attr.buff) + 11194ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh sizeof_attr_list; 11204ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 11214ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh cur_p = or->get_attr.buff + sizeof_attr_list; 11224ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 11234ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh if (returned_bytes > or->get_attr.alloc_size) { 11244ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh OSD_DEBUG("target report: space was not big enough! " 11254ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh "Allocate=%u Needed=%u\n", 11264ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh or->get_attr.alloc_size, 11274ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh returned_bytes + sizeof_attr_list); 11284ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 11294ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh returned_bytes = 11304ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh or->get_attr.alloc_size - sizeof_attr_list; 11314ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh } 11324ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh or->get_attr.total_bytes = returned_bytes; 11334ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh } 11344ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 11354ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh for (n = 0; (n < *nelem) && (cur_bytes < returned_bytes); ++n) { 113671f32e31e5638df37904697e2d04182935add85dBoaz Harrosh int inc = _osd_req_alist_elem_decode(or, cur_p, oa, 113771f32e31e5638df37904697e2d04182935add85dBoaz Harrosh returned_bytes - cur_bytes); 11384ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 113971f32e31e5638df37904697e2d04182935add85dBoaz Harrosh if (inc < 0) { 11404ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh OSD_ERR("BAD FOOD from target. list not valid!" 11414ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh "c=%d r=%d n=%d\n", 11424ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh cur_bytes, returned_bytes, n); 11434ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh oa->val_ptr = NULL; 11444ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh break; 11454ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh } 11464ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 114771f32e31e5638df37904697e2d04182935add85dBoaz Harrosh cur_bytes += inc; 11484ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh cur_p += inc; 11494ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh ++oa; 11504ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh } 11514ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 11524ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh *iterator = (returned_bytes - cur_bytes) ? cur_p : NULL; 11534ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh *nelem = n; 11544ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh return returned_bytes - cur_bytes; 11554ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh} 11564ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz HarroshEXPORT_SYMBOL(osd_req_decode_get_attr_list); 11574ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 11584ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh/* 11594ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh * Attributes Page-mode 11604ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh */ 11614ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 11624ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harroshint osd_req_add_get_attr_page(struct osd_request *or, 11634ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh u32 page_id, void *attar_page, unsigned max_page_len, 11644ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh const struct osd_attr *set_one_attr) 11654ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh{ 11664ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh struct osd_cdb_head *cdbh = osd_cdb_head(&or->cdb); 11674ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 11684ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh if (or->attributes_mode && 11694ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh or->attributes_mode != OSD_CDB_GET_ATTR_PAGE_SET_ONE) { 11704ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh WARN_ON(1); 11714ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh return -EINVAL; 11724ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh } 11734ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh or->attributes_mode = OSD_CDB_GET_ATTR_PAGE_SET_ONE; 11744ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 11754ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh or->get_attr.buff = attar_page; 11764ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh or->get_attr.total_bytes = max_page_len; 11774ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 11784ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh or->set_attr.buff = set_one_attr->val_ptr; 11794ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh or->set_attr.total_bytes = set_one_attr->len; 11804ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 11814ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh cdbh->attrs_page.get_attr_page = cpu_to_be32(page_id); 11824ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh cdbh->attrs_page.get_attr_alloc_length = cpu_to_be32(max_page_len); 11834ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh /* ocdb->attrs_page.get_attr_offset; */ 11844ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 11854ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh cdbh->attrs_page.set_attr_page = cpu_to_be32(set_one_attr->attr_page); 11864ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh cdbh->attrs_page.set_attr_id = cpu_to_be32(set_one_attr->attr_id); 11874ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh cdbh->attrs_page.set_attr_length = cpu_to_be32(set_one_attr->len); 11884ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh /* ocdb->attrs_page.set_attr_offset; */ 11894ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh return 0; 11904ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh} 11914ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz HarroshEXPORT_SYMBOL(osd_req_add_get_attr_page); 11924ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 11934ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harroshstatic int _osd_req_finalize_attr_page(struct osd_request *or) 11944ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh{ 11954ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh struct osd_cdb_head *cdbh = osd_cdb_head(&or->cdb); 11964ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh unsigned in_padding, out_padding; 11974ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh int ret; 11984ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 11994ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh /* returned page */ 12004ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh cdbh->attrs_page.get_attr_offset = 12014ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh osd_req_encode_offset(or, or->in.total_bytes, &in_padding); 12024ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 12034ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh ret = _req_append_segment(or, in_padding, &or->get_attr, NULL, 12044ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh &or->in); 12054ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh if (ret) 12064ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh return ret; 12074ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 12084ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh /* set one value */ 12094ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh cdbh->attrs_page.set_attr_offset = 12104ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh osd_req_encode_offset(or, or->out.total_bytes, &out_padding); 12114ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 12124ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh ret = _req_append_segment(or, out_padding, &or->enc_get_attr, NULL, 12134ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh &or->out); 12144ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh return ret; 12154ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh} 12164ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 1217f8d3a644bec74fd55dbfb11f95af7bf98fa963dcBoaz Harroshstatic inline void osd_sec_parms_set_out_offset(bool is_v1, 1218f8d3a644bec74fd55dbfb11f95af7bf98fa963dcBoaz Harrosh struct osd_security_parameters *sec_parms, osd_cdb_offset offset) 1219f8d3a644bec74fd55dbfb11f95af7bf98fa963dcBoaz Harrosh{ 1220f8d3a644bec74fd55dbfb11f95af7bf98fa963dcBoaz Harrosh if (is_v1) 1221f8d3a644bec74fd55dbfb11f95af7bf98fa963dcBoaz Harrosh sec_parms->v1.data_out_integrity_check_offset = offset; 1222f8d3a644bec74fd55dbfb11f95af7bf98fa963dcBoaz Harrosh else 1223f8d3a644bec74fd55dbfb11f95af7bf98fa963dcBoaz Harrosh sec_parms->v2.data_out_integrity_check_offset = offset; 1224f8d3a644bec74fd55dbfb11f95af7bf98fa963dcBoaz Harrosh} 1225f8d3a644bec74fd55dbfb11f95af7bf98fa963dcBoaz Harrosh 1226f8d3a644bec74fd55dbfb11f95af7bf98fa963dcBoaz Harroshstatic inline void osd_sec_parms_set_in_offset(bool is_v1, 1227f8d3a644bec74fd55dbfb11f95af7bf98fa963dcBoaz Harrosh struct osd_security_parameters *sec_parms, osd_cdb_offset offset) 1228f8d3a644bec74fd55dbfb11f95af7bf98fa963dcBoaz Harrosh{ 1229f8d3a644bec74fd55dbfb11f95af7bf98fa963dcBoaz Harrosh if (is_v1) 1230f8d3a644bec74fd55dbfb11f95af7bf98fa963dcBoaz Harrosh sec_parms->v1.data_in_integrity_check_offset = offset; 1231f8d3a644bec74fd55dbfb11f95af7bf98fa963dcBoaz Harrosh else 1232f8d3a644bec74fd55dbfb11f95af7bf98fa963dcBoaz Harrosh sec_parms->v2.data_in_integrity_check_offset = offset; 1233f8d3a644bec74fd55dbfb11f95af7bf98fa963dcBoaz Harrosh} 1234f8d3a644bec74fd55dbfb11f95af7bf98fa963dcBoaz Harrosh 1235345c435dbb0b77b00ffe73801102533e24c647afBoaz Harroshstatic int _osd_req_finalize_data_integrity(struct osd_request *or, 1236345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh bool has_in, bool has_out, const u8 *cap_key) 1237345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh{ 1238345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh struct osd_security_parameters *sec_parms = _osd_req_sec_params(or); 1239345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh int ret; 1240345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh 1241345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh if (!osd_is_sec_alldata(sec_parms)) 1242345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh return 0; 1243345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh 1244345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh if (has_out) { 1245345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh struct _osd_req_data_segment seg = { 1246345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh .buff = &or->out_data_integ, 1247345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh .total_bytes = sizeof(or->out_data_integ), 1248345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh }; 1249345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh unsigned pad; 1250345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh 1251345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh or->out_data_integ.data_bytes = cpu_to_be64( 1252345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh or->out.bio ? or->out.bio->bi_size : 0); 1253345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh or->out_data_integ.set_attributes_bytes = cpu_to_be64( 1254345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh or->set_attr.total_bytes); 1255345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh or->out_data_integ.get_attributes_bytes = cpu_to_be64( 1256345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh or->enc_get_attr.total_bytes); 1257345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh 1258f8d3a644bec74fd55dbfb11f95af7bf98fa963dcBoaz Harrosh osd_sec_parms_set_out_offset(osd_req_is_ver1(or), sec_parms, 1259f8d3a644bec74fd55dbfb11f95af7bf98fa963dcBoaz Harrosh osd_req_encode_offset(or, or->out.total_bytes, &pad)); 1260345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh 1261345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh ret = _req_append_segment(or, pad, &seg, or->out.last_seg, 1262345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh &or->out); 1263345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh if (ret) 1264345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh return ret; 1265345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh or->out.last_seg = NULL; 1266345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh 1267345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh /* they are now all chained to request sign them all together */ 1268345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh osd_sec_sign_data(&or->out_data_integ, or->out.req->bio, 1269345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh cap_key); 1270345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh } 1271345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh 1272345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh if (has_in) { 1273345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh struct _osd_req_data_segment seg = { 1274345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh .buff = &or->in_data_integ, 1275345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh .total_bytes = sizeof(or->in_data_integ), 1276345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh }; 1277345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh unsigned pad; 1278345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh 1279f8d3a644bec74fd55dbfb11f95af7bf98fa963dcBoaz Harrosh osd_sec_parms_set_in_offset(osd_req_is_ver1(or), sec_parms, 1280f8d3a644bec74fd55dbfb11f95af7bf98fa963dcBoaz Harrosh osd_req_encode_offset(or, or->in.total_bytes, &pad)); 1281345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh 1282345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh ret = _req_append_segment(or, pad, &seg, or->in.last_seg, 1283345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh &or->in); 1284345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh if (ret) 1285345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh return ret; 1286345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh 1287345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh or->in.last_seg = NULL; 1288345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh } 1289345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh 1290345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh return 0; 1291345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh} 1292345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh 129302941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh/* 129402941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh * osd_finalize_request and helpers 129502941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh */ 129602941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 129702941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harroshstatic int _init_blk_request(struct osd_request *or, 129802941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh bool has_in, bool has_out) 129902941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh{ 130002941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh gfp_t flags = or->alloc_flags; 130102941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh struct scsi_device *scsi_device = or->osd_dev->scsi_device; 130202941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh struct request_queue *q = scsi_device->request_queue; 130302941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh struct request *req; 130402941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh int ret = -ENOMEM; 130502941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 130602941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh req = blk_get_request(q, has_out, flags); 130702941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh if (!req) 130802941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh goto out; 130902941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 131002941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh or->request = req; 131102941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh req->cmd_type = REQ_TYPE_BLOCK_PC; 131202941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh req->timeout = or->timeout; 131302941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh req->retries = or->retries; 131402941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh req->sense = or->sense; 131502941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh req->sense_len = 0; 131602941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 131702941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh if (has_out) { 131802941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh or->out.req = req; 131902941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh if (has_in) { 132002941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh /* allocate bidi request */ 132102941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh req = blk_get_request(q, READ, flags); 132202941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh if (!req) { 132302941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh OSD_DEBUG("blk_get_request for bidi failed\n"); 132402941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh goto out; 132502941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh } 132602941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh req->cmd_type = REQ_TYPE_BLOCK_PC; 132702941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh or->in.req = or->request->next_rq = req; 132802941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh } 132902941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh } else if (has_in) 133002941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh or->in.req = req; 133102941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 133202941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh ret = 0; 133302941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harroshout: 133402941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh OSD_DEBUG("or=%p has_in=%d has_out=%d => %d, %p\n", 133502941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh or, has_in, has_out, ret, or->request); 133602941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh return ret; 133702941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh} 133802941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 133902941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harroshint osd_finalize_request(struct osd_request *or, 134002941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh u8 options, const void *cap, const u8 *cap_key) 134102941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh{ 134202941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh struct osd_cdb_head *cdbh = osd_cdb_head(&or->cdb); 134302941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh bool has_in, has_out; 134402941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh int ret; 134502941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 134602941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh if (options & OSD_REQ_FUA) 134702941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh cdbh->options |= OSD_CDB_FUA; 134802941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 134902941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh if (options & OSD_REQ_DPO) 135002941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh cdbh->options |= OSD_CDB_DPO; 135102941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 135202941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh if (options & OSD_REQ_BYPASS_TIMESTAMPS) 135302941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh cdbh->timestamp_control = OSD_CDB_BYPASS_TIMESTAMPS; 135402941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 135502941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh osd_set_caps(&or->cdb, cap); 135602941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 135702941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh has_in = or->in.bio || or->get_attr.total_bytes; 135802941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh has_out = or->out.bio || or->set_attr.total_bytes || 135902941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh or->enc_get_attr.total_bytes; 136002941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 136102941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh ret = _init_blk_request(or, has_in, has_out); 136202941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh if (ret) { 136302941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh OSD_DEBUG("_init_blk_request failed\n"); 136402941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh return ret; 136502941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh } 136602941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 136702941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh if (or->out.bio) { 136802941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh ret = blk_rq_append_bio(or->request->q, or->out.req, 136902941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh or->out.bio); 137002941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh if (ret) { 137102941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh OSD_DEBUG("blk_rq_append_bio out failed\n"); 137202941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh return ret; 137302941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh } 137402941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh OSD_DEBUG("out bytes=%llu (bytes_req=%u)\n", 137502941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh _LLU(or->out.total_bytes), or->out.req->data_len); 137602941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh } 137702941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh if (or->in.bio) { 137802941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh ret = blk_rq_append_bio(or->request->q, or->in.req, or->in.bio); 137902941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh if (ret) { 138002941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh OSD_DEBUG("blk_rq_append_bio in failed\n"); 138102941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh return ret; 138202941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh } 138302941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh OSD_DEBUG("in bytes=%llu (bytes_req=%u)\n", 138402941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh _LLU(or->in.total_bytes), or->in.req->data_len); 138502941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh } 138602941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 13874ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh or->out.pad_buff = sg_out_pad_buffer; 13884ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh or->in.pad_buff = sg_in_pad_buffer; 13894ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 139002941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh if (!or->attributes_mode) 139102941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh or->attributes_mode = OSD_CDB_GET_SET_ATTR_LISTS; 139202941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh cdbh->command_specific_options |= or->attributes_mode; 13934ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh if (or->attributes_mode == OSD_CDB_GET_ATTR_PAGE_SET_ONE) { 13944ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh ret = _osd_req_finalize_attr_page(or); 13954ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh } else { 13964ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh /* TODO: I think that for the GET_ATTR command these 2 should 13974ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh * be reversed to keep them in execution order (for embeded 13984ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh * targets with low memory footprint) 13994ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh */ 14004ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh ret = _osd_req_finalize_set_attr_list(or); 14014ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh if (ret) { 14024ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh OSD_DEBUG("_osd_req_finalize_set_attr_list failed\n"); 14034ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh return ret; 14044ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh } 14054ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 14064ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh ret = _osd_req_finalize_get_attr_list(or); 14074ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh if (ret) { 14084ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh OSD_DEBUG("_osd_req_finalize_get_attr_list failed\n"); 14094ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh return ret; 14104ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh } 14114ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh } 141202941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 1413345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh ret = _osd_req_finalize_data_integrity(or, has_in, has_out, cap_key); 1414345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh if (ret) 1415345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh return ret; 1416345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh 1417345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh osd_sec_sign_cdb(&or->cdb, cap_key); 1418345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh 141902941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh or->request->cmd = or->cdb.buff; 142002941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh or->request->cmd_len = _osd_req_cdb_len(or); 142102941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 142202941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh return 0; 142302941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh} 142402941a530ef736210b4cf8b24dd34c238d5d5a40Boaz HarroshEXPORT_SYMBOL(osd_finalize_request); 142502941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 142698f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh#define OSD_SENSE_PRINT1(fmt, a...) \ 142798f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh do { \ 142898f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh if (__cur_sense_need_output) \ 142998f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh OSD_ERR(fmt, ##a); \ 143098f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh } while (0) 143198f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh 143298f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh#define OSD_SENSE_PRINT2(fmt, a...) OSD_SENSE_PRINT1(" " fmt, ##a) 143398f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh 143498f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harroshint osd_req_decode_sense_full(struct osd_request *or, 143598f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh struct osd_sense_info *osi, bool silent, 143698f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh struct osd_obj_id *bad_obj_list __unused, int max_obj __unused, 143798f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh struct osd_attr *bad_attr_list, int max_attr) 143898f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh{ 143998f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh int sense_len, original_sense_len; 144098f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh struct osd_sense_info local_osi; 144198f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh struct scsi_sense_descriptor_based *ssdb; 144298f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh void *cur_descriptor; 144398f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh#if (CONFIG_SCSI_OSD_DPRINT_SENSE == 0) 144498f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh const bool __cur_sense_need_output = false; 144598f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh#else 144698f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh bool __cur_sense_need_output = !silent; 144798f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh#endif 144898f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh 144998f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh if (!or->request->errors) 145098f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh return 0; 145198f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh 145298f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh ssdb = or->request->sense; 145398f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh sense_len = or->request->sense_len; 145498f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh if ((sense_len < (int)sizeof(*ssdb) || !ssdb->sense_key)) { 145598f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh OSD_ERR("Block-layer returned error(0x%x) but " 145698f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh "sense_len(%u) || key(%d) is empty\n", 145798f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh or->request->errors, sense_len, ssdb->sense_key); 145898f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh return -EIO; 145998f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh } 146098f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh 146198f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh if ((ssdb->response_code != 0x72) && (ssdb->response_code != 0x73)) { 146298f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh OSD_ERR("Unrecognized scsi sense: rcode=%x length=%d\n", 146398f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh ssdb->response_code, sense_len); 146498f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh return -EIO; 146598f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh } 146698f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh 146798f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh osi = osi ? : &local_osi; 146898f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh memset(osi, 0, sizeof(*osi)); 146998f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh osi->key = ssdb->sense_key; 147098f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh osi->additional_code = be16_to_cpu(ssdb->additional_sense_code); 147198f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh original_sense_len = ssdb->additional_sense_length + 8; 147298f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh 147398f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh#if (CONFIG_SCSI_OSD_DPRINT_SENSE == 1) 147498f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh if (__cur_sense_need_output) 147598f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh __cur_sense_need_output = (osi->key > scsi_sk_recovered_error); 147698f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh#endif 147798f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh OSD_SENSE_PRINT1("Main Sense information key=0x%x length(%d, %d) " 147898f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh "additional_code=0x%x\n", 147998f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh osi->key, original_sense_len, sense_len, 148098f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh osi->additional_code); 148198f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh 148298f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh if (original_sense_len < sense_len) 148398f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh sense_len = original_sense_len; 148498f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh 148598f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh cur_descriptor = ssdb->ssd; 148698f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh sense_len -= sizeof(*ssdb); 148798f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh while (sense_len > 0) { 148898f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh struct scsi_sense_descriptor *ssd = cur_descriptor; 148998f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh int cur_len = ssd->additional_length + 2; 149098f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh 149198f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh sense_len -= cur_len; 149298f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh 149398f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh if (sense_len < 0) 149498f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh break; /* sense was truncated */ 149598f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh 149698f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh switch (ssd->descriptor_type) { 149798f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh case scsi_sense_information: 149898f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh case scsi_sense_command_specific_information: 149998f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh { 150098f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh struct scsi_sense_command_specific_data_descriptor 150198f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh *sscd = cur_descriptor; 150298f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh 150398f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh osi->command_info = 150498f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh get_unaligned_be64(&sscd->information) ; 150598f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh OSD_SENSE_PRINT2( 150698f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh "command_specific_information 0x%llx \n", 150798f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh _LLU(osi->command_info)); 150898f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh break; 150998f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh } 151098f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh case scsi_sense_key_specific: 151198f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh { 151298f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh struct scsi_sense_key_specific_data_descriptor 151398f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh *ssks = cur_descriptor; 151498f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh 151598f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh osi->sense_info = get_unaligned_be16(&ssks->value); 151698f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh OSD_SENSE_PRINT2( 151798f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh "sense_key_specific_information %u" 151898f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh "sksv_cd_bpv_bp (0x%x)\n", 151998f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh osi->sense_info, ssks->sksv_cd_bpv_bp); 152098f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh break; 152198f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh } 152298f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh case osd_sense_object_identification: 152398f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh { /*FIXME: Keep first not last, Store in array*/ 152498f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh struct osd_sense_identification_data_descriptor 152598f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh *osidd = cur_descriptor; 152698f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh 152798f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh osi->not_initiated_command_functions = 152898f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh le32_to_cpu(osidd->not_initiated_functions); 152998f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh osi->completed_command_functions = 153098f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh le32_to_cpu(osidd->completed_functions); 153198f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh osi->obj.partition = be64_to_cpu(osidd->partition_id); 153298f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh osi->obj.id = be64_to_cpu(osidd->object_id); 153398f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh OSD_SENSE_PRINT2( 153498f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh "object_identification pid=0x%llx oid=0x%llx\n", 153598f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh _LLU(osi->obj.partition), _LLU(osi->obj.id)); 153698f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh OSD_SENSE_PRINT2( 153798f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh "not_initiated_bits(%x) " 153898f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh "completed_command_bits(%x)\n", 153998f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh osi->not_initiated_command_functions, 154098f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh osi->completed_command_functions); 154198f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh break; 154298f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh } 154398f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh case osd_sense_response_integrity_check: 154498f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh { 154598f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh struct osd_sense_response_integrity_check_descriptor 154698f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh *osricd = cur_descriptor; 154798f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh const unsigned len = 154898f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh sizeof(osricd->integrity_check_value); 154998f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh char key_dump[len*4 + 2]; /* 2nibbles+space+ASCII */ 155098f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh 155198f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh hex_dump_to_buffer(osricd->integrity_check_value, len, 155298f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh 32, 1, key_dump, sizeof(key_dump), true); 155398f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh OSD_SENSE_PRINT2("response_integrity [%s]\n", key_dump); 155498f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh } 155598f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh case osd_sense_attribute_identification: 155698f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh { 155798f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh struct osd_sense_attributes_data_descriptor 155898f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh *osadd = cur_descriptor; 155998f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh int len = min(cur_len, sense_len); 156098f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh int i = 0; 156198f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh struct osd_sense_attr *pattr = osadd->sense_attrs; 156298f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh 156398f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh while (len < 0) { 156498f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh u32 attr_page = be32_to_cpu(pattr->attr_page); 156598f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh u32 attr_id = be32_to_cpu(pattr->attr_id); 156698f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh 156798f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh if (i++ == 0) { 156898f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh osi->attr.attr_page = attr_page; 156998f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh osi->attr.attr_id = attr_id; 157098f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh } 157198f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh 157298f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh if (bad_attr_list && max_attr) { 157398f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh bad_attr_list->attr_page = attr_page; 157498f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh bad_attr_list->attr_id = attr_id; 157598f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh bad_attr_list++; 157698f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh max_attr--; 157798f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh } 157898f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh OSD_SENSE_PRINT2( 157998f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh "osd_sense_attribute_identification" 158098f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh "attr_page=0x%x attr_id=0x%x\n", 158198f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh attr_page, attr_id); 158298f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh } 158398f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh } 158498f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh /*These are not legal for OSD*/ 158598f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh case scsi_sense_field_replaceable_unit: 158698f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh OSD_SENSE_PRINT2("scsi_sense_field_replaceable_unit\n"); 158798f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh break; 158898f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh case scsi_sense_stream_commands: 158998f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh OSD_SENSE_PRINT2("scsi_sense_stream_commands\n"); 159098f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh break; 159198f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh case scsi_sense_block_commands: 159298f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh OSD_SENSE_PRINT2("scsi_sense_block_commands\n"); 159398f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh break; 159498f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh case scsi_sense_ata_return: 159598f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh OSD_SENSE_PRINT2("scsi_sense_ata_return\n"); 159698f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh break; 159798f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh default: 159898f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh if (ssd->descriptor_type <= scsi_sense_Reserved_last) 159998f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh OSD_SENSE_PRINT2( 160098f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh "scsi_sense Reserved descriptor (0x%x)", 160198f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh ssd->descriptor_type); 160298f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh else 160398f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh OSD_SENSE_PRINT2( 160498f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh "scsi_sense Vendor descriptor (0x%x)", 160598f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh ssd->descriptor_type); 160698f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh } 160798f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh 160898f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh cur_descriptor += cur_len; 160998f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh } 161098f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh 161198f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh return (osi->key > scsi_sk_recovered_error) ? -EIO : 0; 161298f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh} 161398f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz HarroshEXPORT_SYMBOL(osd_req_decode_sense_full); 161498f3aea2bd4b4f9cd7a6a6479ed9410787f756fdBoaz Harrosh 161502941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh/* 161602941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh * Implementation of osd_sec.h API 161702941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh * TODO: Move to a separate osd_sec.c file at a later stage. 161802941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh */ 161902941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 162002941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harroshenum { OSD_SEC_CAP_V1_ALL_CAPS = 162102941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh OSD_SEC_CAP_APPEND | OSD_SEC_CAP_OBJ_MGMT | OSD_SEC_CAP_REMOVE | 162202941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh OSD_SEC_CAP_CREATE | OSD_SEC_CAP_SET_ATTR | OSD_SEC_CAP_GET_ATTR | 162302941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh OSD_SEC_CAP_WRITE | OSD_SEC_CAP_READ | OSD_SEC_CAP_POL_SEC | 162402941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh OSD_SEC_CAP_GLOBAL | OSD_SEC_CAP_DEV_MGMT 162502941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh}; 162602941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 1627c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harroshenum { OSD_SEC_CAP_V2_ALL_CAPS = 1628c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh OSD_SEC_CAP_V1_ALL_CAPS | OSD_SEC_CAP_QUERY | OSD_SEC_CAP_M_OBJECT 1629c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh}; 1630c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh 163102941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harroshvoid osd_sec_init_nosec_doall_caps(void *caps, 163202941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh const struct osd_obj_id *obj, bool is_collection, const bool is_v1) 163302941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh{ 163402941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh struct osd_capability *cap = caps; 163502941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh u8 type; 163602941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh u8 descriptor_type; 163702941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 163802941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh if (likely(obj->id)) { 163902941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh if (unlikely(is_collection)) { 164002941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh type = OSD_SEC_OBJ_COLLECTION; 164102941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh descriptor_type = is_v1 ? OSD_SEC_OBJ_DESC_OBJ : 164202941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh OSD_SEC_OBJ_DESC_COL; 164302941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh } else { 164402941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh type = OSD_SEC_OBJ_USER; 164502941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh descriptor_type = OSD_SEC_OBJ_DESC_OBJ; 164602941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh } 164702941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh WARN_ON(!obj->partition); 164802941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh } else { 164902941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh type = obj->partition ? OSD_SEC_OBJ_PARTITION : 165002941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh OSD_SEC_OBJ_ROOT; 165102941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh descriptor_type = OSD_SEC_OBJ_DESC_PAR; 165202941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh } 165302941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 165402941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh memset(cap, 0, sizeof(*cap)); 165502941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 165602941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh cap->h.format = OSD_SEC_CAP_FORMAT_VER1; 165702941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh cap->h.integrity_algorithm__key_version = 0; /* MAKE_BYTE(0, 0); */ 165802941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh cap->h.security_method = OSD_SEC_NOSEC; 165902941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh/* cap->expiration_time; 166002941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh cap->AUDIT[30-10]; 166102941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh cap->discriminator[42-30]; 166202941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh cap->object_created_time; */ 166302941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh cap->h.object_type = type; 166402941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh osd_sec_set_caps(&cap->h, OSD_SEC_CAP_V1_ALL_CAPS); 166502941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh cap->h.object_descriptor_type = descriptor_type; 166602941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh cap->od.obj_desc.policy_access_tag = 0; 166702941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh cap->od.obj_desc.allowed_partition_id = cpu_to_be64(obj->partition); 166802941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh cap->od.obj_desc.allowed_object_id = cpu_to_be64(obj->id); 166902941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh} 167002941a530ef736210b4cf8b24dd34c238d5d5a40Boaz HarroshEXPORT_SYMBOL(osd_sec_init_nosec_doall_caps); 167102941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh 1672c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh/* FIXME: Extract version from caps pointer. 1673c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh * Also Pete's target only supports caps from OSDv1 for now 1674c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh */ 167502941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harroshvoid osd_set_caps(struct osd_cdb *cdb, const void *caps) 167602941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh{ 1677c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh bool is_ver1 = true; 1678c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh /* NOTE: They start at same address */ 1679c6572c983726fe3f3bb5f07e9afe3a9b8e402d1bBoaz Harrosh memcpy(&cdb->v1.caps, caps, is_ver1 ? OSDv1_CAP_LEN : OSD_CAP_LEN); 168002941a530ef736210b4cf8b24dd34c238d5d5a40Boaz Harrosh} 16814ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 1682345c435dbb0b77b00ffe73801102533e24c647afBoaz Harroshbool osd_is_sec_alldata(struct osd_security_parameters *sec_parms __unused) 1683345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh{ 1684345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh return false; 1685345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh} 1686345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh 1687345c435dbb0b77b00ffe73801102533e24c647afBoaz Harroshvoid osd_sec_sign_cdb(struct osd_cdb *ocdb __unused, const u8 *cap_key __unused) 1688345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh{ 1689345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh} 1690345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh 1691345c435dbb0b77b00ffe73801102533e24c647afBoaz Harroshvoid osd_sec_sign_data(void *data_integ __unused, 1692345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh struct bio *bio __unused, const u8 *cap_key __unused) 1693345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh{ 1694345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh} 1695345c435dbb0b77b00ffe73801102533e24c647afBoaz Harrosh 16964ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh/* 16974ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh * Declared in osd_protocol.h 16984ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh * 4.12.5 Data-In and Data-Out buffer offsets 16994ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh * byte offset = mantissa * (2^(exponent+8)) 17004ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh * Returns the smallest allowed encoded offset that contains given @offset 17014ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh * The actual encoded offset returned is @offset + *@padding. 17024ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh */ 17034ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harroshosd_cdb_offset __osd_encode_offset( 17044ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh u64 offset, unsigned *padding, int min_shift, int max_shift) 17054ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh{ 17064ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh u64 try_offset = -1, mod, align; 17074ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh osd_cdb_offset be32_offset; 17084ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh int shift; 17094ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 17104ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh *padding = 0; 17114ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh if (!offset) 17124ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh return 0; 17134ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 17144ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh for (shift = min_shift; shift < max_shift; ++shift) { 17154ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh try_offset = offset >> shift; 17164ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh if (try_offset < (1 << OSD_OFFSET_MAX_BITS)) 17174ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh break; 17184ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh } 17194ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 17204ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh BUG_ON(shift == max_shift); 17214ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 17224ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh align = 1 << shift; 17234ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh mod = offset & (align - 1); 17244ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh if (mod) { 17254ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh *padding = align - mod; 17264ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh try_offset += 1; 17274ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh } 17284ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 17294ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh try_offset |= ((shift - 8) & 0xf) << 28; 17304ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh be32_offset = cpu_to_be32((u32)try_offset); 17314ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh 17324ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh OSD_DEBUG("offset=%llu mantissa=%llu exp=%d encoded=%x pad=%d\n", 17334ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh _LLU(offset), _LLU(try_offset & 0x0FFFFFFF), shift, 17344ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh be32_offset, *padding); 17354ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh return be32_offset; 17364ef1a3d70d02663f6bfe901db629e8e608da15b1Boaz Harrosh} 1737