Staging: strip: delete the driver
[linux/fpc-iii.git] / drivers / scsi / qla2xxx / qla_inline.h
blob5e0a7095c9f2fa52d905e26e46d54d20f27d28ab
1 /*
2 * QLogic Fibre Channel HBA Driver
3 * Copyright (c) 2003-2008 QLogic Corporation
5 * See LICENSE.qla2xxx for copyright and licensing details.
6 */
8 /*
9 * qla2x00_debounce_register
10 * Debounce register.
12 * Input:
13 * port = register address.
15 * Returns:
16 * register value.
18 static __inline__ uint16_t
19 qla2x00_debounce_register(volatile uint16_t __iomem *addr)
21 volatile uint16_t first;
22 volatile uint16_t second;
24 do {
25 first = RD_REG_WORD(addr);
26 barrier();
27 cpu_relax();
28 second = RD_REG_WORD(addr);
29 } while (first != second);
31 return (first);
34 static inline void
35 qla2x00_poll(struct rsp_que *rsp)
37 unsigned long flags;
38 struct qla_hw_data *ha = rsp->hw;
39 local_irq_save(flags);
40 ha->isp_ops->intr_handler(0, rsp);
41 local_irq_restore(flags);
44 static inline uint8_t *
45 host_to_fcp_swap(uint8_t *fcp, uint32_t bsize)
47 uint32_t *ifcp = (uint32_t *) fcp;
48 uint32_t *ofcp = (uint32_t *) fcp;
49 uint32_t iter = bsize >> 2;
51 for (; iter ; iter--)
52 *ofcp++ = swab32(*ifcp++);
54 return fcp;
57 static inline int
58 qla2x00_is_reserved_id(scsi_qla_host_t *vha, uint16_t loop_id)
60 struct qla_hw_data *ha = vha->hw;
61 if (IS_FWI2_CAPABLE(ha))
62 return (loop_id > NPH_LAST_HANDLE);
64 return ((loop_id > ha->max_loop_id && loop_id < SNS_FIRST_LOOP_ID) ||
65 loop_id == MANAGEMENT_SERVER || loop_id == BROADCAST);