xref: /openbmc/linux/drivers/net/fddi/skfp/h/targetos.h (revision d7a3d85e)
1 /******************************************************************************
2  *
3  *	(C)Copyright 1998,1999 SysKonnect,
4  *	a business unit of Schneider & Koch & Co. Datensysteme GmbH.
5  *
6  *	This program is free software; you can redistribute it and/or modify
7  *	it under the terms of the GNU General Public License as published by
8  *	the Free Software Foundation; either version 2 of the License, or
9  *	(at your option) any later version.
10  *
11  *	The information in this file is provided "AS IS" without warranty.
12  *
13  ******************************************************************************/
14 
15 /*
16  *	Operating system specific definitions for driver and
17  *	hardware module.
18  */
19 
20 #ifndef	TARGETOS_H
21 #define TARGETOS_H
22 
23 
24 //-------- those should go into include/linux/pci.h
25 #define PCI_VENDOR_ID_SK		0x1148
26 #define PCI_DEVICE_ID_SK_FP		0x4000
27 //--------
28 
29 
30 
31 //-------- those should go into include/linux/if_fddi.h
32 #define FDDI_MAC_HDR_LEN 13
33 
34 #define FDDI_RII	0x01 /* routing information bit */
35 #define FDDI_RCF_DIR_BIT 0x80
36 #define FDDI_RCF_LEN_MASK 0x1f
37 #define FDDI_RCF_BROADCAST 0x8000
38 #define FDDI_RCF_LIMITED_BROADCAST 0xA000
39 #define FDDI_RCF_FRAME2K 0x20
40 #define FDDI_RCF_FRAME4K 0x30
41 //--------
42 
43 
44 #undef ADDR
45 
46 #include <asm/io.h>
47 #include <linux/netdevice.h>
48 #include <linux/fddidevice.h>
49 #include <linux/skbuff.h>
50 #include <linux/pci.h>
51 
52 // is redefined by linux, but we need our definition
53 #undef ADDR
54 #ifdef MEM_MAPPED_IO
55 #define	ADDR(a) (smc->hw.iop+(a))
56 #else
57 #define	ADDR(a) (((a)>>7) ? (outp(smc->hw.iop+B0_RAP,(a)>>7), (smc->hw.iop+( ((a)&0x7F) | ((a)>>7 ? 0x80:0)) )) : (smc->hw.iop+(((a)&0x7F)|((a)>>7 ? 0x80:0))))
58 #endif
59 
60 #include "hwmtm.h"
61 
62 #define TRUE  1
63 #define FALSE 0
64 
65 // HWM Definitions
66 // -----------------------
67 #define FDDI_TRACE(string, arg1, arg2, arg3)	// Performance analysis.
68 #ifdef PCI
69 #define NDD_TRACE(string, arg1, arg2, arg3)	// Performance analysis.
70 #endif	// PCI
71 #define SMT_PAGESIZE	PAGE_SIZE	// Size of a memory page (power of 2).
72 // -----------------------
73 
74 
75 // SMT Definitions
76 // -----------------------
77 #define	TICKS_PER_SECOND	HZ
78 #define SMC_VERSION    		1
79 // -----------------------
80 
81 
82 // OS-Driver Definitions
83 // -----------------------
84 #define NO_ADDRESS 0xffe0	/* No Device (I/O) Address */
85 #define SKFP_MAX_NUM_BOARDS 8	/* maximum number of PCI boards */
86 
87 #define SK_BUS_TYPE_PCI		0
88 #define SK_BUS_TYPE_EISA	1
89 
90 #define FP_IO_LEN		256	/* length of IO area used */
91 
92 #define u8	unsigned char
93 #define u16	unsigned short
94 #define u32	unsigned int
95 
96 #define MAX_TX_QUEUE_LEN	20 // number of packets queued by driver
97 #define MAX_FRAME_SIZE		4550
98 
99 #define	RX_LOW_WATERMARK	NUM_RECEIVE_BUFFERS  / 2
100 #define TX_LOW_WATERMARK	NUM_TRANSMIT_BUFFERS - 2
101 
102 /*
103 ** Include the IOCTL stuff
104 */
105 #include <linux/sockios.h>
106 
107 #define	SKFPIOCTL	SIOCDEVPRIVATE
108 
109 struct s_skfp_ioctl {
110 	unsigned short cmd;                /* Command to run */
111 	unsigned short len;                /* Length of the data buffer */
112 	unsigned char __user *data;        /* Pointer to the data buffer */
113 };
114 
115 /*
116 ** Recognised ioctl commands for the driver
117 */
118 #define SKFP_GET_STATS		0x05 /* Get the driver statistics */
119 #define SKFP_CLR_STATS		0x06 /* Zero out the driver statistics */
120 
121 // The per-adapter driver structure
122 struct s_smt_os {
123 	struct net_device *dev;
124 	struct net_device *next_module;
125 	u32	bus_type;		/* bus type (0 == PCI, 1 == EISA) */
126 	struct pci_dev 	pdev;		/* PCI device structure */
127 
128 	unsigned long base_addr;
129 	unsigned char factory_mac_addr[8];
130 	ulong	SharedMemSize;
131 	ulong	SharedMemHeap;
132 	void*	SharedMemAddr;
133 	dma_addr_t SharedMemDMA;
134 
135 	ulong	QueueSkb;
136 	struct	sk_buff_head SendSkbQueue;
137 
138 	ulong	MaxFrameSize;
139 	u8	ResetRequested;
140 
141 	// MAC statistics structure
142 	struct fddi_statistics MacStat;
143 
144 	// receive into this local buffer if no skb available
145 	// data will be not valid, because multiple RxDs can
146 	// point here at the same time, it must be at least
147 	// MAX_FRAME_SIZE bytes in size
148 	unsigned char *LocalRxBuffer;
149 	dma_addr_t LocalRxBufferDMA;
150 
151 	// Version (required by SMT module).
152 	u_long smc_version ;
153 
154 	// Required by Hardware Module (HWM).
155 	struct hw_modul hwm ;
156 
157 	// For SMP-savety
158 	spinlock_t DriverLock;
159 
160 };
161 
162 typedef struct s_smt_os skfddi_priv;
163 
164 #endif	 // _TARGETOS_
165