xref: /openbmc/linux/drivers/net/fddi/skfp/h/targetos.h (revision 2874c5fd)
1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /******************************************************************************
3  *
4  *	(C)Copyright 1998,1999 SysKonnect,
5  *	a business unit of Schneider & Koch & Co. Datensysteme GmbH.
6  *
7  *	The information in this file is provided "AS IS" without warranty.
8  *
9  ******************************************************************************/
10 
11 /*
12  *	Operating system specific definitions for driver and
13  *	hardware module.
14  */
15 
16 #ifndef	TARGETOS_H
17 #define TARGETOS_H
18 
19 
20 //-------- those should go into include/linux/pci.h
21 #define PCI_VENDOR_ID_SK		0x1148
22 #define PCI_DEVICE_ID_SK_FP		0x4000
23 //--------
24 
25 
26 
27 //-------- those should go into include/linux/if_fddi.h
28 #define FDDI_MAC_HDR_LEN 13
29 
30 #define FDDI_RII	0x01 /* routing information bit */
31 #define FDDI_RCF_DIR_BIT 0x80
32 #define FDDI_RCF_LEN_MASK 0x1f
33 #define FDDI_RCF_BROADCAST 0x8000
34 #define FDDI_RCF_LIMITED_BROADCAST 0xA000
35 #define FDDI_RCF_FRAME2K 0x20
36 #define FDDI_RCF_FRAME4K 0x30
37 //--------
38 
39 
40 #undef ADDR
41 
42 #include <asm/io.h>
43 #include <linux/netdevice.h>
44 #include <linux/fddidevice.h>
45 #include <linux/skbuff.h>
46 #include <linux/pci.h>
47 
48 // is redefined by linux, but we need our definition
49 #undef ADDR
50 #ifdef MEM_MAPPED_IO
51 #define	ADDR(a) (smc->hw.iop+(a))
52 #else
53 #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))))
54 #endif
55 
56 #include "hwmtm.h"
57 
58 #define TRUE  1
59 #define FALSE 0
60 
61 // HWM Definitions
62 // -----------------------
63 #define FDDI_TRACE(string, arg1, arg2, arg3)	// Performance analysis.
64 #ifdef PCI
65 #define NDD_TRACE(string, arg1, arg2, arg3)	// Performance analysis.
66 #endif	// PCI
67 #define SMT_PAGESIZE	PAGE_SIZE	// Size of a memory page (power of 2).
68 // -----------------------
69 
70 
71 // SMT Definitions
72 // -----------------------
73 #define	TICKS_PER_SECOND	HZ
74 #define SMC_VERSION    		1
75 // -----------------------
76 
77 
78 // OS-Driver Definitions
79 // -----------------------
80 #define NO_ADDRESS 0xffe0	/* No Device (I/O) Address */
81 #define SKFP_MAX_NUM_BOARDS 8	/* maximum number of PCI boards */
82 
83 #define SK_BUS_TYPE_PCI		0
84 #define SK_BUS_TYPE_EISA	1
85 
86 #define FP_IO_LEN		256	/* length of IO area used */
87 
88 #define u8	unsigned char
89 #define u16	unsigned short
90 #define u32	unsigned int
91 
92 #define MAX_TX_QUEUE_LEN	20 // number of packets queued by driver
93 #define MAX_FRAME_SIZE		4550
94 
95 #define	RX_LOW_WATERMARK	NUM_RECEIVE_BUFFERS  / 2
96 #define TX_LOW_WATERMARK	NUM_TRANSMIT_BUFFERS - 2
97 
98 /*
99 ** Include the IOCTL stuff
100 */
101 #include <linux/sockios.h>
102 
103 #define	SKFPIOCTL	SIOCDEVPRIVATE
104 
105 struct s_skfp_ioctl {
106 	unsigned short cmd;                /* Command to run */
107 	unsigned short len;                /* Length of the data buffer */
108 	unsigned char __user *data;        /* Pointer to the data buffer */
109 };
110 
111 /*
112 ** Recognised ioctl commands for the driver
113 */
114 #define SKFP_GET_STATS		0x05 /* Get the driver statistics */
115 #define SKFP_CLR_STATS		0x06 /* Zero out the driver statistics */
116 
117 // The per-adapter driver structure
118 struct s_smt_os {
119 	struct net_device *dev;
120 	struct net_device *next_module;
121 	u32	bus_type;		/* bus type (0 == PCI, 1 == EISA) */
122 	struct pci_dev 	pdev;		/* PCI device structure */
123 
124 	unsigned long base_addr;
125 	unsigned char factory_mac_addr[8];
126 	ulong	SharedMemSize;
127 	ulong	SharedMemHeap;
128 	void*	SharedMemAddr;
129 	dma_addr_t SharedMemDMA;
130 
131 	ulong	QueueSkb;
132 	struct	sk_buff_head SendSkbQueue;
133 
134 	ulong	MaxFrameSize;
135 	u8	ResetRequested;
136 
137 	// MAC statistics structure
138 	struct fddi_statistics MacStat;
139 
140 	// receive into this local buffer if no skb available
141 	// data will be not valid, because multiple RxDs can
142 	// point here at the same time, it must be at least
143 	// MAX_FRAME_SIZE bytes in size
144 	unsigned char *LocalRxBuffer;
145 	dma_addr_t LocalRxBufferDMA;
146 
147 	// Version (required by SMT module).
148 	u_long smc_version ;
149 
150 	// Required by Hardware Module (HWM).
151 	struct hw_modul hwm ;
152 
153 	// For SMP-savety
154 	spinlock_t DriverLock;
155 
156 };
157 
158 typedef struct s_smt_os skfddi_priv;
159 
160 #endif	 // _TARGETOS_
161