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| Current File : //sys/amd64/compile/hs32/modules/usr/src/sys/modules/hpt27xx/@/dev/isci/isci_sysctl.c |
/*-
* BSD LICENSE
*
* Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD: release/9.1.0/sys/dev/isci/isci_sysctl.c 231689 2012-02-14 15:58:49Z jimharris $");
#include <dev/isci/isci.h>
#include <sys/sysctl.h>
#include <dev/isci/scil/scif_controller.h>
#include <dev/isci/scil/scic_phy.h>
static int
isci_sysctl_coalesce_timeout(SYSCTL_HANDLER_ARGS)
{
struct isci_softc *isci = (struct isci_softc *)arg1;
int error = sysctl_handle_int(oidp, &isci->coalesce_timeout, 0, req);
int i;
if (error)
return (error);
for (i = 0; i < isci->controller_count; i++)
scif_controller_set_interrupt_coalescence(
isci->controllers[i].scif_controller_handle,
isci->coalesce_number, isci->coalesce_timeout);
return (0);
}
static int
isci_sysctl_coalesce_number(SYSCTL_HANDLER_ARGS)
{
struct isci_softc *isci = (struct isci_softc *)arg1;
int error = sysctl_handle_int(oidp, &isci->coalesce_number, 0, req);
int i;
if (error)
return (error);
for (i = 0; i < isci->controller_count; i++)
scif_controller_set_interrupt_coalescence(
isci->controllers[i].scif_controller_handle,
isci->coalesce_number, isci->coalesce_timeout);
return (0);
}
static void
isci_sysctl_reset_remote_devices(struct ISCI_CONTROLLER *controller,
uint32_t remote_devices_to_be_reset)
{
uint32_t i = 0;
while (remote_devices_to_be_reset != 0) {
if (remote_devices_to_be_reset & 0x1) {
struct ISCI_REMOTE_DEVICE *remote_device =
controller->remote_device[i];
if (remote_device != NULL) {
mtx_lock(&controller->lock);
isci_remote_device_reset(remote_device, NULL);
mtx_unlock(&controller->lock);
}
}
remote_devices_to_be_reset >>= 1;
i++;
}
}
static int
isci_sysctl_reset_remote_device_on_controller0(SYSCTL_HANDLER_ARGS)
{
struct isci_softc *isci = (struct isci_softc *)arg1;
uint32_t remote_devices_to_be_reset = 0;
struct ISCI_CONTROLLER *controller = &isci->controllers[0];
int error = sysctl_handle_int(oidp, &remote_devices_to_be_reset, 0, req);
if (error || remote_devices_to_be_reset == 0)
return (error);
isci_sysctl_reset_remote_devices(controller, remote_devices_to_be_reset);
return (0);
}
static int
isci_sysctl_reset_remote_device_on_controller1(SYSCTL_HANDLER_ARGS)
{
struct isci_softc *isci = (struct isci_softc *)arg1;
uint32_t remote_devices_to_be_reset = 0;
struct ISCI_CONTROLLER *controller = &isci->controllers[1];
int error =
sysctl_handle_int(oidp, &remote_devices_to_be_reset, 0, req);
if (error || remote_devices_to_be_reset == 0)
return (error);
isci_sysctl_reset_remote_devices(controller,
remote_devices_to_be_reset);
return (0);
}
static void
isci_sysctl_stop(struct ISCI_CONTROLLER *controller, uint32_t phy_to_be_stopped)
{
SCI_PHY_HANDLE_T phy_handle = NULL;
scic_controller_get_phy_handle(
scif_controller_get_scic_handle(controller->scif_controller_handle),
phy_to_be_stopped, &phy_handle);
scic_phy_stop(phy_handle);
}
static int
isci_sysctl_stop_phy(SYSCTL_HANDLER_ARGS)
{
struct isci_softc *isci = (struct isci_softc *)arg1;
uint32_t phy_to_be_stopped = 0xff;
uint32_t controller_index, phy_index;
int error = sysctl_handle_int(oidp, &phy_to_be_stopped, 0, req);
controller_index = phy_to_be_stopped / SCI_MAX_PHYS;
phy_index = phy_to_be_stopped % SCI_MAX_PHYS;
if(error || controller_index >= isci->controller_count)
return (error);
isci_sysctl_stop(&isci->controllers[controller_index], phy_index);
return (0);
}
static void
isci_sysctl_start(struct ISCI_CONTROLLER *controller,
uint32_t phy_to_be_started)
{
SCI_PHY_HANDLE_T phy_handle = NULL;
scic_controller_get_phy_handle(
scif_controller_get_scic_handle(controller->scif_controller_handle),
phy_to_be_started, &phy_handle);
scic_phy_start(phy_handle);
}
static int
isci_sysctl_start_phy(SYSCTL_HANDLER_ARGS)
{
struct isci_softc *isci = (struct isci_softc *)arg1;
uint32_t phy_to_be_started = 0xff;
uint32_t controller_index, phy_index;
int error = sysctl_handle_int(oidp, &phy_to_be_started, 0, req);
controller_index = phy_to_be_started / SCI_MAX_PHYS;
phy_index = phy_to_be_started % SCI_MAX_PHYS;
if(error || controller_index >= isci->controller_count)
return error;
isci_sysctl_start(&isci->controllers[controller_index], phy_index);
return 0;
}
void isci_sysctl_initialize(struct isci_softc *isci)
{
struct sysctl_ctx_list *sysctl_ctx = device_get_sysctl_ctx(isci->device);
struct sysctl_oid *sysctl_tree = device_get_sysctl_tree(isci->device);
SYSCTL_ADD_PROC(sysctl_ctx, SYSCTL_CHILDREN(sysctl_tree), OID_AUTO,
"coalesce_timeout", CTLTYPE_UINT | CTLFLAG_RW, isci, 0,
isci_sysctl_coalesce_timeout, "IU",
"Interrupt coalescing timeout (in microseconds)");
SYSCTL_ADD_PROC(sysctl_ctx, SYSCTL_CHILDREN(sysctl_tree), OID_AUTO,
"coalesce_number", CTLTYPE_UINT | CTLFLAG_RW, isci, 0,
isci_sysctl_coalesce_number, "IU",
"Interrupt coalescing number");
SYSCTL_ADD_PROC(sysctl_ctx, SYSCTL_CHILDREN(sysctl_tree), OID_AUTO,
"reset_remote_device_on_controller0", CTLTYPE_UINT| CTLFLAG_RW,
isci, 0, isci_sysctl_reset_remote_device_on_controller0, "IU",
"Reset remote device on controller 0");
SYSCTL_ADD_PROC(sysctl_ctx, SYSCTL_CHILDREN(sysctl_tree), OID_AUTO,
"reset_remote_device_on_controller1", CTLTYPE_UINT| CTLFLAG_RW,
isci, 0, isci_sysctl_reset_remote_device_on_controller1, "IU",
"Reset remote device on controller 1");
SYSCTL_ADD_PROC(sysctl_ctx, SYSCTL_CHILDREN(sysctl_tree), OID_AUTO,
"stop_phy", CTLTYPE_UINT| CTLFLAG_RW, isci, 0, isci_sysctl_stop_phy,
"IU", "Stop PHY on a controller");
SYSCTL_ADD_PROC(sysctl_ctx, SYSCTL_CHILDREN(sysctl_tree), OID_AUTO,
"start_phy", CTLTYPE_UINT| CTLFLAG_RW, isci, 0,
isci_sysctl_start_phy, "IU", "Start PHY on a controller");
}