2 * QLogic Fibre Channel HBA Driver
3 * Copyright (c) 2003-2011 QLogic Corporation
5 * See LICENSE.qla2xxx for copyright and licensing details.
9 * qla2x00_debounce_register
13 * port = register address.
18 static __inline__ uint16_t
19 qla2x00_debounce_register(volatile uint16_t __iomem *addr)
21 volatile uint16_t first;
22 volatile uint16_t second;
25 first = RD_REG_WORD(addr);
28 second = RD_REG_WORD(addr);
29 } while (first != second);
35 qla2x00_poll(struct rsp_que *rsp)
38 struct qla_hw_data *ha = rsp->hw;
39 local_irq_save(flags);
43 ha->isp_ops->intr_handler(0, rsp);
44 local_irq_restore(flags);
47 static inline uint8_t *
48 host_to_fcp_swap(uint8_t *fcp, uint32_t bsize)
50 uint32_t *ifcp = (uint32_t *) fcp;
51 uint32_t *ofcp = (uint32_t *) fcp;
52 uint32_t iter = bsize >> 2;
55 *ofcp++ = swab32(*ifcp++);
61 qla2x00_is_reserved_id(scsi_qla_host_t *vha, uint16_t loop_id)
63 struct qla_hw_data *ha = vha->hw;
64 if (IS_FWI2_CAPABLE(ha))
65 return (loop_id > NPH_LAST_HANDLE);
67 return ((loop_id > ha->max_loop_id && loop_id < SNS_FIRST_LOOP_ID) ||
68 loop_id == MANAGEMENT_SERVER || loop_id == BROADCAST);
72 qla2x00_clean_dsd_pool(struct qla_hw_data *ha, srb_t *sp)
74 struct dsd_dma *dsd_ptr, *tdsd_ptr;
76 /* clean up allocated prev pool */
77 list_for_each_entry_safe(dsd_ptr, tdsd_ptr,
78 &((struct crc_context *)sp->ctx)->dsd_list, list) {
79 dma_pool_free(ha->dl_dma_pool, dsd_ptr->dsd_addr,
80 dsd_ptr->dsd_list_dma);
81 list_del(&dsd_ptr->list);
84 INIT_LIST_HEAD(&((struct crc_context *)sp->ctx)->dsd_list);
88 qla2x00_set_fcport_state(fc_port_t *fcport, int state)
92 old_state = atomic_read(&fcport->state);
93 atomic_set(&fcport->state, state);
95 /* Don't print state transitions during initial allocation of fcport */
96 if (old_state && old_state != state) {
97 ql_dbg(ql_dbg_disc, fcport->vha, 0x207d,
98 "FCPort state transitioned from %s to %s - "
99 "portid=%02x%02x%02x.\n",
100 port_state_str[old_state], port_state_str[state],
101 fcport->d_id.b.domain, fcport->d_id.b.area,
102 fcport->d_id.b.al_pa);