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Copyright (c) 1996, Sun Microsystems, Inc. All Rights Reserved
The contents of this file are subject to the terms of the Common Development and Distribution License (the "License"). You may not use this file except in compliance with the License.
You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE or http://www.opensolaris.org/os/licensing. See the License for the specific language governing permissions and limitations under the License.
When distributing Covered Code, include this CDDL HEADER in each file and include the License file at usr/src/OPENSOLARIS.LICENSE. If applicable, add the following below this CDDL HEADER, with the fields enclosed by brackets "[]" replaced with your own identifying information: Portions Copyright [yyyy] [name of copyright owner]
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Copyright (c) 1996, Sun Microsystems, Inc. All Rights Reserved
The contents of this file are subject to the terms of the Common Development and Distribution License (the "License"). You may not use this file except in compliance with the License.
You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE or http://www.opensolaris.org/os/licensing. See the License for the specific language governing permissions and limitations under the License.
When distributing Covered Code, include this CDDL HEADER in each file and include the License file at usr/src/OPENSOLARIS.LICENSE. If applicable, add the following below this CDDL HEADER, with the fields enclosed by brackets "[]" replaced with your own identifying information: Portions Copyright [yyyy] [name of copyright owner]
CSX_GET8 9F "Jul 19, 1996"
NAME
csx_Get8, csx_Get16, csx_Get32, csx_Get64 - read data from device address
SYNOPSIS
#include <sys/pccard.h> uint8_t csx_Get8(acc_handle_t handle, uint32_t offset);
uint16_t csx_Get16(acc_handle_t handle, uint32_t offset);
uint32_t csx_Get32(acc_handle_t handle, uint32_t offset);
uint64_t csx_Get64(acc_handle_t handle, uint64_t offset);
INTERFACE LEVEL
illumos DDI Specific (illumos DDI)
PARAMETERS
handle
The access handle returned from csx_RequestIO(9F), csx_RequestWindow(9F), or csx_DupHandle(9F).
The offset in bytes from the base of the mapped resource.
DESCRIPTION
These functions generate a read of various sizes from the mapped memory or
device register.
The csx_Get8(), csx_Get16(), csx_Get32(), and csx_Get64() functions read 8 bits, 16 bits, 32 bits, and 64 bits of data, respectively, from the device address represented by the handle, handle, at an offset in bytes represented by the offset, offset.
Data that consists of more than one byte will automatically be translated to maintain a consistent view between the host and the device based on the encoded information in the data access handle. The translation may involve byte swapping if the host and the device have incompatible endian characteristics.
RETURN VALUES
These functions return the value read from the mapped address.
CONTEXT
These functions may be called from user, kernel, or interrupt context.
SEE ALSO
csx_DupHandle (9F), csx_GetMappedAddr (9F), csx_Put8 (9F), csx_RepGet8 (9F), csx_RepPut8 (9F), csx_RequestIO (9F), csx_RequestWindow (9F)