f11c7f6305
The isci driver is for the integrated SAS controller in the Intel C600 (Patsburg) chipset. Source files in sys/dev/isci directory are FreeBSD-specific, and sys/dev/isci/scil subdirectory contains an OS-agnostic library (SCIL) published by Intel to control the SAS controller. This library is used primarily as-is in this driver, with some post-processing to better integrate into the kernel build environment. isci.4 and a README in the sys/dev/isci directory contain a few additional details. This driver is only built for amd64 and i386 targets. Sponsored by: Intel Reviewed by: scottl Approved by: scottl
230 lines
7.0 KiB
C
230 lines
7.0 KiB
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("$FreeBSD$");
|
|
|
|
#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");
|
|
}
|
|
|