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/*
* CDDL HEADER START
*
* 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]
*
* CDDL HEADER END
*/
/*
* Copyright 2009 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#include <sys/pci_cfgacc.h>
#define PCI_CFGACC_FILLREQ(r, d, b, o, s, w, v) \
{(r).rcdip = (d); (r).bdf = (b); (r).offset = (o); \
(r).size = (s); (r).write = w; (r).ioacc = B_FALSE; \
VAL64(&(r)) = (v); }
/*
* Common interfaces for accessing pci config space
*/
/*
* This pointer should be initialized before using, here doesn't check it.
* For x86:
* initialized at the end of pci_check();
* For Sparc:
* initialized in the px_attach().
*/
void (*pci_cfgacc_acc_p)(pci_cfgacc_req_t *req);
uint8_t
pci_cfgacc_get8(dev_info_t *rcdip, uint16_t bdf, uint16_t off)
{
pci_cfgacc_req_t req;
PCI_CFGACC_FILLREQ(req, rcdip, bdf, off, 1, B_FALSE, 0);
(*pci_cfgacc_acc_p)(&req);
return (VAL8(&req));
}
void
pci_cfgacc_put8(dev_info_t *rcdip, uint16_t bdf, uint16_t off, uint8_t data)
{
pci_cfgacc_req_t req;
PCI_CFGACC_FILLREQ(req, rcdip, bdf, off, 1, B_TRUE, data);
(*pci_cfgacc_acc_p)(&req);
}
uint16_t
pci_cfgacc_get16(dev_info_t *rcdip, uint16_t bdf, uint16_t off)
{
pci_cfgacc_req_t req;
PCI_CFGACC_FILLREQ(req, rcdip, bdf, off, 2, B_FALSE, 0);
(*pci_cfgacc_acc_p)(&req);
return (VAL16(&req));
}
void
pci_cfgacc_put16(dev_info_t *rcdip, uint16_t bdf, uint16_t off, uint16_t data)
{
pci_cfgacc_req_t req;
PCI_CFGACC_FILLREQ(req, rcdip, bdf, off, 2, B_TRUE, data);
(*pci_cfgacc_acc_p)(&req);
}
uint32_t
pci_cfgacc_get32(dev_info_t *rcdip, uint16_t bdf, uint16_t off)
{
pci_cfgacc_req_t req;
PCI_CFGACC_FILLREQ(req, rcdip, bdf, off, 4, B_FALSE, 0);
(*pci_cfgacc_acc_p)(&req);
return (VAL32(&req));
}
void
pci_cfgacc_put32(dev_info_t *rcdip, uint16_t bdf, uint16_t off, uint32_t data)
{
pci_cfgacc_req_t req;
PCI_CFGACC_FILLREQ(req, rcdip, bdf, off, 4, B_TRUE, data);
(*pci_cfgacc_acc_p)(&req);
}
uint64_t
pci_cfgacc_get64(dev_info_t *rcdip, uint16_t bdf, uint16_t off)
{
pci_cfgacc_req_t req;
PCI_CFGACC_FILLREQ(req, rcdip, bdf, off, 8, B_FALSE, 0);
(*pci_cfgacc_acc_p)(&req);
return (VAL64(&req));
}
void
pci_cfgacc_put64(dev_info_t *rcdip, uint16_t bdf, uint16_t off, uint64_t data)
{
pci_cfgacc_req_t req;
PCI_CFGACC_FILLREQ(req, rcdip, bdf, off, 8, B_TRUE, data);
(*pci_cfgacc_acc_p)(&req);
}
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