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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 © 2003-2011 Emulex. All rights reserved. */
/*
* Source file containing the implementation of fma support in driver
*
*/
#include <oce_impl.h>
static int oce_fm_error_cb(dev_info_t *dip, ddi_fm_error_t *err,
const void *impl_data);
/*
* function to initialize driver fma support
*
* dev - software handle to the device
*
* return none
*/
void
oce_fm_init(struct oce_dev *dev)
{
ddi_iblock_cookie_t ibc;
if (dev->fm_caps == DDI_FM_NOT_CAPABLE) {
return;
}
oce_set_dma_fma_flags(dev->fm_caps);
oce_set_reg_fma_flags(dev->fm_caps);
(void) ddi_fm_init(dev->dip, &dev->fm_caps, &ibc);
if (DDI_FM_EREPORT_CAP(dev->fm_caps) ||
DDI_FM_ERRCB_CAP(dev->fm_caps)) {
pci_ereport_setup(dev->dip);
}
if (DDI_FM_ERRCB_CAP(dev->fm_caps)) {
ddi_fm_handler_register(dev->dip, oce_fm_error_cb,
(void *)dev);
}
} /* oce_fm_init */
/*
* function to deinitialize driver fma support
*
* dev - software handle to the device
*
* return none
*/
void
oce_fm_fini(struct oce_dev *dev)
{
if (dev->fm_caps == DDI_FM_NOT_CAPABLE) {
return;
}
if (DDI_FM_ERRCB_CAP(dev->fm_caps)) {
ddi_fm_handler_unregister(dev->dip);
}
if (DDI_FM_EREPORT_CAP(dev->fm_caps) ||
DDI_FM_ERRCB_CAP(dev->fm_caps)) {
pci_ereport_teardown(dev->dip);
}
(void) ddi_fm_fini(dev->dip);
} /* oce_fm_fini */
/*
* function to check the access handle
*
* dev - software handle to the device
* acc_handle - access handle
*
* return fm error status
*/
int
oce_fm_check_acc_handle(struct oce_dev *dev, ddi_acc_handle_t acc_handle)
{
ddi_fm_error_t fme;
if (!DDI_FM_ACC_ERR_CAP(dev->fm_caps)) {
return (DDI_FM_OK);
}
(void) ddi_fm_acc_err_get(acc_handle, &fme, DDI_FME_VERSION);
(void) ddi_fm_acc_err_clear(acc_handle, DDI_FME_VERSION);
return (fme.fme_status);
} /* oce_fm_chk_ach */
/*
* function to check error updates associated with a dma handle
*
* dev - software handle to the device
* dma_handle - dma handle to the resources on which to check for errors
*
* return error code. DDI_FM_OK => no error
*/
int
oce_fm_check_dma_handle(struct oce_dev *dev, ddi_dma_handle_t dma_handle)
{
ddi_fm_error_t fme;
if (!DDI_FM_DMA_ERR_CAP(dev->fm_caps)) {
return (DDI_FM_OK);
}
(void) ddi_fm_dma_err_get(dma_handle, &fme, DDI_FME_VERSION);
return (fme.fme_status);
} /* oce_fm_chk_dh */
/*
* function to report an error to the FMA framework
*
* dev - software handle to the device
* detail - OS defined string that provides the kind of error to report
*/
void
oce_fm_ereport(struct oce_dev *dev, char *detail)
{
uint64_t ena;
char buf[FM_MAX_CLASS];
if (!DDI_FM_EREPORT_CAP(dev->fm_caps) || detail == NULL) {
return;
}
(void) snprintf(buf, FM_MAX_CLASS, "%s.%s", DDI_FM_DEVICE, detail);
ena = fm_ena_generate(0, FM_ENA_FMT1);
if (DDI_FM_EREPORT_CAP(dev->fm_caps)) {
ddi_fm_ereport_post(dev->dip, buf, ena, DDI_NOSLEEP,
FM_VERSION, DATA_TYPE_UINT8, FM_EREPORT_VERS0, NULL);
}
} /* oce_fm_ereport */
/*
* callback function registered with the FMA infrastructure. This callback is
* called by the nexux driver if there is an error with the device
*
* dip - dev_info_t structure for this device
* err - error information provided by the nexus
* impl_data - callback data
*
* return error code. DDI_FM_OK => no error
*/
static int
oce_fm_error_cb(dev_info_t *dip, ddi_fm_error_t *err, const void *impl_data)
{
_NOTE(ARGUNUSED(impl_data));
/* Driver must handle the dma/access error */
pci_ereport_post(dip, err, NULL);
return (err->fme_status);
}
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