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
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
|
#ifndef _QIB_7220_H
#define _QIB_7220_H
/*
* Copyright (c) 2007, 2009, 2010 QLogic Corporation. All rights reserved.
*
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed under the terms of the GNU
* General Public License (GPL) Version 2, available from the file
* COPYING in the main directory of this source tree, or the
* OpenIB.org BSD license below:
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* - Redistributions of source code must retain the above
* copyright notice, this list of conditions and the following
* disclaimer.
*
* - Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
/* grab register-defs auto-generated by HW */
#include "qib_7220_regs.h"
/* The number of eager receive TIDs for context zero. */
#define IBA7220_KRCVEGRCNT 2048U
#define IB_7220_LT_STATE_CFGRCVFCFG 0x09
#define IB_7220_LT_STATE_CFGWAITRMT 0x0a
#define IB_7220_LT_STATE_TXREVLANES 0x0d
#define IB_7220_LT_STATE_CFGENH 0x10
struct qib_chip_specific {
u64 __iomem *cregbase;
u64 *cntrs;
u64 *portcntrs;
spinlock_t sdepb_lock; /* serdes EPB bus */
spinlock_t rcvmod_lock; /* protect rcvctrl shadow changes */
spinlock_t gpio_lock; /* RMW of shadows/regs for ExtCtrl and GPIO */
u64 hwerrmask;
u64 errormask;
u64 gpio_out; /* shadow of kr_gpio_out, for rmw ops */
u64 gpio_mask; /* shadow the gpio mask register */
u64 extctrl; /* shadow the gpio output enable, etc... */
u32 ncntrs;
u32 nportcntrs;
u32 cntrnamelen;
u32 portcntrnamelen;
u32 numctxts;
u32 rcvegrcnt;
u32 autoneg_tries;
u32 serdes_first_init_done;
u32 sdmabufcnt;
u32 lastbuf_for_pio;
u32 updthresh; /* current AvailUpdThld */
u32 updthresh_dflt; /* default AvailUpdThld */
u8 presets_needed;
u8 relock_timer_active;
char emsgbuf[128];
char sdmamsgbuf[192];
char bitsmsgbuf[64];
struct timer_list relock_timer;
unsigned int relock_interval; /* in jiffies */
struct qib_devdata *dd;
};
struct qib_chippport_specific {
struct qib_pportdata pportdata;
wait_queue_head_t autoneg_wait;
struct delayed_work autoneg_work;
struct timer_list chase_timer;
/*
* these 5 fields are used to establish deltas for IB symbol
* errors and linkrecovery errors. They can be reported on
* some chips during link negotiation prior to INIT, and with
* DDR when faking DDR negotiations with non-IBTA switches.
* The chip counters are adjusted at driver unload if there is
* a non-zero delta.
*/
u64 ibdeltainprog;
u64 ibsymdelta;
u64 ibsymsnap;
u64 iblnkerrdelta;
u64 iblnkerrsnap;
u64 ibcctrl; /* kr_ibcctrl shadow */
u64 ibcddrctrl; /* kr_ibcddrctrl shadow */
unsigned long chase_end;
u32 last_delay_mult;
};
/*
* This header file provides the declarations and common definitions
* for (mostly) manipulation of the SerDes blocks within the IBA7220.
* the functions declared should only be called from within other
* 7220-related files such as qib_iba7220.c or qib_sd7220.c.
*/
int qib_sd7220_presets(struct qib_devdata *dd);
int qib_sd7220_init(struct qib_devdata *dd);
void qib_sd7220_clr_ibpar(struct qib_devdata *);
/*
* Below used for sdnum parameter, selecting one of the two sections
* used for PCIe, or the single SerDes used for IB, which is the
* only one currently used
*/
#define IB_7220_SERDES 2
static inline u32 qib_read_kreg32(const struct qib_devdata *dd,
const u16 regno)
{
if (!dd->kregbase || !(dd->flags & QIB_PRESENT))
return -1;
return readl((u32 __iomem *)&dd->kregbase[regno]);
}
static inline u64 qib_read_kreg64(const struct qib_devdata *dd,
const u16 regno)
{
if (!dd->kregbase || !(dd->flags & QIB_PRESENT))
return -1;
return readq(&dd->kregbase[regno]);
}
static inline void qib_write_kreg(const struct qib_devdata *dd,
const u16 regno, u64 value)
{
if (dd->kregbase)
writeq(value, &dd->kregbase[regno]);
}
void set_7220_relock_poll(struct qib_devdata *, int);
void shutdown_7220_relock_poll(struct qib_devdata *);
void toggle_7220_rclkrls(struct qib_devdata *);
#endif /* _QIB_7220_H */
|
