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/*
* Derived from include/asm-x86/mach-summit/mach_mpparse.h
* and include/asm-x86/mach-default/bios_ebda.h
*
* Author: Laurent Vivier <Laurent.Vivier@bull.net>
*/
#ifndef __ASM_RIO_H
#define __ASM_RIO_H
#define RIO_TABLE_VERSION 3
struct rio_table_hdr {
u8 version; /* Version number of this data structure */
u8 num_scal_dev; /* # of Scalability devices */
u8 num_rio_dev; /* # of RIO I/O devices */
} __attribute__((packed));
struct scal_detail {
u8 node_id; /* Scalability Node ID */
u32 CBAR; /* Address of 1MB register space */
u8 port0node; /* Node ID port connected to: 0xFF=None */
u8 port0port; /* Port num port connected to: 0,1,2, or */
/* 0xFF=None */
u8 port1node; /* Node ID port connected to: 0xFF = None */
u8 port1port; /* Port num port connected to: 0,1,2, or */
/* 0xFF=None */
u8 port2node; /* Node ID port connected to: 0xFF = None */
u8 port2port; /* Port num port connected to: 0,1,2, or */
/* 0xFF=None */
u8 chassis_num; /* 1 based Chassis number (1 = boot node) */
} __attribute__((packed));
struct rio_detail {
u8 node_id; /* RIO Node ID */
u32 BBAR; /* Address of 1MB register space */
u8 type; /* Type of device */
u8 owner_id; /* Node ID of Hurricane that owns this */
/* node */
u8 port0node; /* Node ID port connected to: 0xFF=None */
u8 port0port; /* Port num port connected to: 0,1,2, or */
/* 0xFF=None */
u8 port1node; /* Node ID port connected to: 0xFF=None */
u8 port1port; /* Port num port connected to: 0,1,2, or */
/* 0xFF=None */
u8 first_slot; /* Lowest slot number below this Calgary */
u8 status; /* Bit 0 = 1 : the XAPIC is used */
/* = 0 : the XAPIC is not used, ie: */
/* ints fwded to another XAPIC */
/* Bits1:7 Reserved */
u8 WP_index; /* instance index - lower ones have */
/* lower slot numbers/PCI bus numbers */
u8 chassis_num; /* 1 based Chassis number */
} __attribute__((packed));
enum {
HURR_SCALABILTY = 0, /* Hurricane Scalability info */
HURR_RIOIB = 2, /* Hurricane RIOIB info */
COMPAT_CALGARY = 4, /* Compatibility Calgary */
ALT_CALGARY = 5, /* Second Planar Calgary */
};
/*
* there is a real-mode segmented pointer pointing to the
* 4K EBDA area at 0x40E.
*/
static inline unsigned long get_bios_ebda(void)
{
unsigned long address = *(unsigned short *)phys_to_virt(0x40EUL);
address <<= 4;
return address;
}
#endif /* __ASM_RIO_H */
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