1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
|
/* SPDX-License-Identifier: GPL-2.0-only */
/*
* QLogic iSCSI HBA Driver
* Copyright (c) 2003-2013 QLogic Corporation
*/
/*
*
* qla4xxx_lookup_ddb_by_fw_index
* This routine locates a device handle given the firmware device
* database index. If device doesn't exist, returns NULL.
*
* Input:
* ha - Pointer to host adapter structure.
* fw_ddb_index - Firmware's device database index
*
* Returns:
* Pointer to the corresponding internal device database structure
*/
static inline struct ddb_entry *
qla4xxx_lookup_ddb_by_fw_index(struct scsi_qla_host *ha, uint32_t fw_ddb_index)
{
struct ddb_entry *ddb_entry = NULL;
if ((fw_ddb_index < MAX_DDB_ENTRIES) &&
(ha->fw_ddb_index_map[fw_ddb_index] !=
(struct ddb_entry *) INVALID_ENTRY)) {
ddb_entry = ha->fw_ddb_index_map[fw_ddb_index];
}
DEBUG3(printk("scsi%d: %s: ddb [%d], ddb_entry = %p\n",
ha->host_no, __func__, fw_ddb_index, ddb_entry));
return ddb_entry;
}
static inline void
__qla4xxx_enable_intrs(struct scsi_qla_host *ha)
{
if (is_qla4022(ha) | is_qla4032(ha)) {
writel(set_rmask(IMR_SCSI_INTR_ENABLE),
&ha->reg->u1.isp4022.intr_mask);
readl(&ha->reg->u1.isp4022.intr_mask);
} else {
writel(set_rmask(CSR_SCSI_INTR_ENABLE), &ha->reg->ctrl_status);
readl(&ha->reg->ctrl_status);
}
set_bit(AF_INTERRUPTS_ON, &ha->flags);
}
static inline void
__qla4xxx_disable_intrs(struct scsi_qla_host *ha)
{
if (is_qla4022(ha) | is_qla4032(ha)) {
writel(clr_rmask(IMR_SCSI_INTR_ENABLE),
&ha->reg->u1.isp4022.intr_mask);
readl(&ha->reg->u1.isp4022.intr_mask);
} else {
writel(clr_rmask(CSR_SCSI_INTR_ENABLE), &ha->reg->ctrl_status);
readl(&ha->reg->ctrl_status);
}
clear_bit(AF_INTERRUPTS_ON, &ha->flags);
}
static inline void
qla4xxx_enable_intrs(struct scsi_qla_host *ha)
{
unsigned long flags;
spin_lock_irqsave(&ha->hardware_lock, flags);
__qla4xxx_enable_intrs(ha);
spin_unlock_irqrestore(&ha->hardware_lock, flags);
}
static inline void
qla4xxx_disable_intrs(struct scsi_qla_host *ha)
{
unsigned long flags;
spin_lock_irqsave(&ha->hardware_lock, flags);
__qla4xxx_disable_intrs(ha);
spin_unlock_irqrestore(&ha->hardware_lock, flags);
}
static inline int qla4xxx_get_chap_type(struct ql4_chap_table *chap_entry)
{
int type;
if (chap_entry->flags & BIT_7)
type = LOCAL_CHAP;
else
type = BIDI_CHAP;
return type;
}
|
