2 * Copyright (C) 2005, 2006
3 * Avishay Traeger (avishay@gmail.com)
4 * Copyright (C) 2008, 2009
5 * Boaz Harrosh <bharrosh@panasas.com>
7 * This file is part of exofs.
9 * exofs is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation. Since it is based on ext2, and the only
12 * valid version of GPL for the Linux kernel is version 2, the only valid
13 * version of GPL for exofs is version 2.
15 * exofs is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with exofs; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
25 #include <scsi/scsi_device.h>
26 #include <scsi/osd_sense.h>
30 int exofs_check_ok_resid(struct osd_request *or, u64 *in_resid, u64 *out_resid)
32 struct osd_sense_info osi;
33 int ret = osd_req_decode_sense(or, &osi);
35 if (ret) { /* translate to Linux codes */
36 if (osi.additional_code == scsi_invalid_field_in_cdb) {
37 if (osi.cdb_field_offset == OSD_CFO_STARTING_BYTE)
39 if (osi.cdb_field_offset == OSD_CFO_OBJECT_ID)
43 } else if (osi.additional_code == osd_quota_error)
49 /* FIXME: should be include in osd_sense_info */
51 *in_resid = or->in.req ? or->in.req->resid_len : 0;
54 *out_resid = or->out.req ? or->out.req->resid_len : 0;
59 void exofs_make_credential(u8 cred_a[OSD_CAP_LEN], const struct osd_obj_id *obj)
61 osd_sec_init_nosec_doall_caps(cred_a, obj, false, true);
65 * Perform a synchronous OSD operation.
67 int exofs_sync_op(struct osd_request *or, int timeout, uint8_t *credential)
71 or->timeout = timeout;
72 ret = osd_finalize_request(or, 0, credential, NULL);
74 EXOFS_DBGMSG("Faild to osd_finalize_request() => %d\n", ret);
78 ret = osd_execute_request(or);
81 EXOFS_DBGMSG("osd_execute_request() => %d\n", ret);
82 /* osd_req_decode_sense(or, ret); */
87 * Perform an asynchronous OSD operation.
89 int exofs_async_op(struct osd_request *or, osd_req_done_fn *async_done,
90 void *caller_context, u8 *cred)
94 ret = osd_finalize_request(or, 0, cred, NULL);
96 EXOFS_DBGMSG("Faild to osd_finalize_request() => %d\n", ret);
100 ret = osd_execute_request_async(or, async_done, caller_context);
103 EXOFS_DBGMSG("osd_execute_request_async() => %d\n", ret);
107 int extract_attr_from_req(struct osd_request *or, struct osd_attr *attr)
109 struct osd_attr cur_attr = {.attr_page = 0}; /* start with zeros */
115 osd_req_decode_get_attr_list(or, &cur_attr, &nelem, &iter);
116 if ((cur_attr.attr_page == attr->attr_page) &&
117 (cur_attr.attr_id == attr->attr_id)) {
118 attr->len = cur_attr.len;
119 attr->val_ptr = cur_attr.val_ptr;