^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) * linux/drivers/scsi/esas2r/esas2r_targdb.c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * For use with ATTO ExpressSAS R6xx SAS/SATA RAID controllers
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Copyright (c) 2001-2013 ATTO Technology, Inc.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * (mailto:linuxdrivers@attotech.com)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) * This program is free software; you can redistribute it and/or
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) * modify it under the terms of the GNU General Public License
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) * as published by the Free Software Foundation; either version 2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) * of the License, or (at your option) any later version.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) * This program is distributed in the hope that it will be useful,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) * but WITHOUT ANY WARRANTY; without even the implied warranty of
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) * GNU General Public License for more details.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) * NO WARRANTY
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) * THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) * CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) * LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) * solely responsible for determining the appropriateness of using and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) * distributing the Program and assumes all risks associated with its
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) * exercise of rights under this Agreement, including but not limited to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) * the risks and costs of program errors, damage to or loss of data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) * programs or equipment, and unavailability or interruption of operations.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) * DISCLAIMER OF LIABILITY
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) * NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) * DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) * USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) * HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) * You should have received a copy of the GNU General Public License
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) * along with this program; if not, write to the Free Software
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) * USA.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) #include "esas2r.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) void esas2r_targ_db_initialize(struct esas2r_adapter *a)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) struct esas2r_target *t;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) for (t = a->targetdb; t < a->targetdb_end; t++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) memset(t, 0, sizeof(struct esas2r_target));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) t->target_state = TS_NOT_PRESENT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) t->buffered_target_state = TS_NOT_PRESENT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) t->new_target_state = TS_INVALID;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) void esas2r_targ_db_remove_all(struct esas2r_adapter *a, bool notify)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) struct esas2r_target *t;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) for (t = a->targetdb; t < a->targetdb_end; t++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) if (t->target_state != TS_PRESENT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) spin_lock_irqsave(&a->mem_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) esas2r_targ_db_remove(a, t);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) spin_unlock_irqrestore(&a->mem_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) if (notify) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) esas2r_trace("remove id:%d", esas2r_targ_get_id(t,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) a));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) esas2r_target_state_changed(a, esas2r_targ_get_id(t,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) a),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) TS_NOT_PRESENT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) void esas2r_targ_db_report_changes(struct esas2r_adapter *a)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) struct esas2r_target *t;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) esas2r_trace_enter();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) if (test_bit(AF_DISC_PENDING, &a->flags)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) esas2r_trace_exit();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) for (t = a->targetdb; t < a->targetdb_end; t++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) u8 state = TS_INVALID;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) spin_lock_irqsave(&a->mem_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) if (t->buffered_target_state != t->target_state)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) state = t->buffered_target_state = t->target_state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) spin_unlock_irqrestore(&a->mem_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) if (state != TS_INVALID) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) esas2r_trace("targ_db_report_changes:%d",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) esas2r_targ_get_id(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) t,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) a));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) esas2r_trace("state:%d", state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) esas2r_target_state_changed(a,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) esas2r_targ_get_id(t,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) a),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) esas2r_trace_exit();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) struct esas2r_target *esas2r_targ_db_add_raid(struct esas2r_adapter *a,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) struct esas2r_disc_context *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) dc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) struct esas2r_target *t;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) esas2r_trace_enter();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) if (dc->curr_virt_id >= ESAS2R_MAX_TARGETS) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) esas2r_bugon();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) esas2r_trace_exit();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) t = a->targetdb + dc->curr_virt_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) if (t->target_state == TS_PRESENT) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) esas2r_trace_exit();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) esas2r_hdebug("add RAID %s, T:%d", dc->raid_grp_name,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) esas2r_targ_get_id(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) t,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) a));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) if (dc->interleave == 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) || dc->block_size == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) /* these are invalid values, don't create the target entry. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) esas2r_hdebug("invalid RAID group dimensions");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) esas2r_trace_exit();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) t->block_size = dc->block_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) t->inter_byte = dc->interleave;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) t->inter_block = dc->interleave / dc->block_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) t->virt_targ_id = dc->curr_virt_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) t->phys_targ_id = ESAS2R_TARG_ID_INV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) t->flags &= ~TF_PASS_THRU;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) t->flags |= TF_USED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) t->identifier_len = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) t->target_state = TS_PRESENT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) return t;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) struct esas2r_target *esas2r_targ_db_add_pthru(struct esas2r_adapter *a,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) struct esas2r_disc_context *dc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) u8 *ident,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) u8 ident_len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) struct esas2r_target *t;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) esas2r_trace_enter();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) if (dc->curr_virt_id >= ESAS2R_MAX_TARGETS) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) esas2r_bugon();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) esas2r_trace_exit();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) /* see if we found this device before. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) t = esas2r_targ_db_find_by_ident(a, ident, ident_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) if (t == NULL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) t = a->targetdb + dc->curr_virt_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) if (ident_len > sizeof(t->identifier)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) || t->target_state == TS_PRESENT) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) esas2r_trace_exit();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) esas2r_hdebug("add PT; T:%d, V:%d, P:%d", esas2r_targ_get_id(t, a),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) dc->curr_virt_id,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) dc->curr_phys_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) t->block_size = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) t->inter_byte = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) t->inter_block = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) t->virt_targ_id = dc->curr_virt_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) t->phys_targ_id = dc->curr_phys_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) t->identifier_len = ident_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) memcpy(t->identifier, ident, ident_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) t->flags |= TF_PASS_THRU | TF_USED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) t->target_state = TS_PRESENT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) return t;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) void esas2r_targ_db_remove(struct esas2r_adapter *a, struct esas2r_target *t)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) esas2r_trace_enter();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) t->target_state = TS_NOT_PRESENT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) esas2r_trace("remove id:%d", esas2r_targ_get_id(t, a));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) esas2r_trace_exit();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) struct esas2r_target *esas2r_targ_db_find_by_sas_addr(struct esas2r_adapter *a,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) u64 *sas_addr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) struct esas2r_target *t;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) for (t = a->targetdb; t < a->targetdb_end; t++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) if (t->sas_addr == *sas_addr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) return t;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) struct esas2r_target *esas2r_targ_db_find_by_ident(struct esas2r_adapter *a,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) void *identifier,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) u8 ident_len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) struct esas2r_target *t;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) for (t = a->targetdb; t < a->targetdb_end; t++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) if (ident_len == t->identifier_len
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) && memcmp(&t->identifier[0], identifier,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) ident_len) == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) return t;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) u16 esas2r_targ_db_find_next_present(struct esas2r_adapter *a, u16 target_id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) u16 id = target_id + 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) while (id < ESAS2R_MAX_TARGETS) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) struct esas2r_target *t = a->targetdb + id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) if (t->target_state == TS_PRESENT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) id++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) return id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) struct esas2r_target *esas2r_targ_db_find_by_virt_id(struct esas2r_adapter *a,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) u16 virt_id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) struct esas2r_target *t;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) for (t = a->targetdb; t < a->targetdb_end; t++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) if (t->target_state != TS_PRESENT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) if (t->virt_targ_id == virt_id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) return t;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) u16 esas2r_targ_db_get_tgt_cnt(struct esas2r_adapter *a)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) u16 devcnt = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) struct esas2r_target *t;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) spin_lock_irqsave(&a->mem_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) for (t = a->targetdb; t < a->targetdb_end; t++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) if (t->target_state == TS_PRESENT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) devcnt++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) spin_unlock_irqrestore(&a->mem_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) return devcnt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) }
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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