diff options
Diffstat (limited to 'sys/dev/isci/scil/scic_sds_library.c')
| -rw-r--r-- | sys/dev/isci/scil/scic_sds_library.c | 287 |
1 files changed, 287 insertions, 0 deletions
diff --git a/sys/dev/isci/scil/scic_sds_library.c b/sys/dev/isci/scil/scic_sds_library.c new file mode 100644 index 0000000..5337516 --- /dev/null +++ b/sys/dev/isci/scil/scic_sds_library.c @@ -0,0 +1,287 @@ +/*- + * This file is provided under a dual BSD/GPLv2 license. When using or + * redistributing this file, you may do so under either license. + * + * GPL LICENSE SUMMARY + * + * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. + * The full GNU General Public License is included in this distribution + * in the file called LICENSE.GPL. + * + * 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("$FreeBSD$"); + +/** + * @file + * + * @brief This file contains the implementation of the public methods for a + * SCIC_SDS_LIBRARY object. + */ + +#include <dev/isci/scil/scic_library.h> +#include <dev/isci/scil/scic_sds_library.h> +#include <dev/isci/scil/scic_sds_controller.h> +#include <dev/isci/scil/scic_sds_request.h> +#include <dev/isci/scil/scic_sds_remote_device.h> +#include <dev/isci/scil/intel_pci.h> +#include <dev/isci/scil/scic_sds_pci.h> +#include <dev/isci/scil/scu_constants.h> + +struct SCIC_SDS_CONTROLLER; + +#define SCIC_LIBRARY_CONTROLLER_MEMORY_START(library) \ + ((char *)(library) + sizeof(SCIC_SDS_LIBRARY_T)) + +// --------------------------------------------------------------------------- + +U32 scic_library_get_object_size( + U8 max_controller_count +) +{ + return sizeof(SCIC_SDS_LIBRARY_T) + + scic_sds_controller_get_object_size() * max_controller_count; +} + +// --------------------------------------------------------------------------- + +SCI_LIBRARY_HANDLE_T scic_library_construct( + void * library_memory, + U8 max_controller_count +) +{ + SCI_STATUS status; + SCIC_SDS_LIBRARY_T *this_library; + + this_library = (SCIC_SDS_LIBRARY_T *)library_memory; + + this_library->max_controller_count = max_controller_count; + + this_library->controllers = + (SCIC_SDS_CONTROLLER_T *)((char *)library_memory + sizeof(SCIC_SDS_LIBRARY_T)); + + SCI_BASE_LIBRARY_CONSTRUCT(this_library, + &this_library->parent, + max_controller_count, + struct SCIC_SDS_CONTROLLER, + status); + return this_library; +} + +// --------------------------------------------------------------------------- + +void scic_library_set_pci_info( + SCI_LIBRARY_HANDLE_T library, + SCI_PCI_COMMON_HEADER_T * pci_header +) +{ + SCIC_SDS_LIBRARY_T *this_library; + this_library = (SCIC_SDS_LIBRARY_T *)library; + + this_library->pci_device = pci_header->device_id; + +#if defined(PBG_HBA_A0_BUILD) + this_library->pci_revision = SCIC_SDS_PCI_REVISION_A0; +#elif defined(PBG_HBA_A2_BUILD) + this_library->pci_revision = SCIC_SDS_PCI_REVISION_A2; +#elif defined(PBG_HBA_BETA_BUILD) + this_library->pci_revision = SCIC_SDS_PCI_REVISION_B0; +#elif defined(PBG_BUILD) + // The SCU PCI function revision ID for A0/A2 is not populated + // properly. As a result, we force the revision ID to A2 for + // this situation. Therefore, the standard PBG build will not + // work for A0. + if (pci_header->revision == SCIC_SDS_PCI_REVISION_A0) + this_library->pci_revision = SCIC_SDS_PCI_REVISION_A2; + else + this_library->pci_revision = pci_header->revision; +#endif +} + +// --------------------------------------------------------------------------- + +SCI_STATUS scic_library_allocate_controller( + SCI_LIBRARY_HANDLE_T library, + SCI_CONTROLLER_HANDLE_T *new_controller +) +{ + SCI_STATUS status; + SCIC_SDS_LIBRARY_T *this_library; + + this_library = (SCIC_SDS_LIBRARY_T *)library; + + if ( + ( (this_library->pci_device >= 0x1D60) + && (this_library->pci_device <= 0x1D62) + ) + || ( (this_library->pci_device >= 0x1D64) + && (this_library->pci_device <= 0x1D65) + ) + || ( (this_library->pci_device >= 0x1D68) + && (this_library->pci_device <= 0x1D6F) + ) + ) + { + SCI_BASE_LIBRARY_ALLOCATE_CONTROLLER( + this_library, new_controller, &status); + } + else + status = SCI_FAILURE_UNSUPPORTED_PCI_DEVICE_ID; + + return status; +} + +// --------------------------------------------------------------------------- + +SCI_STATUS scic_library_free_controller( + SCI_LIBRARY_HANDLE_T library, + SCI_CONTROLLER_HANDLE_T controller +) +{ + SCI_STATUS status; + SCIC_SDS_LIBRARY_T *this_library; + this_library = (SCIC_SDS_LIBRARY_T *)library; + + SCI_BASE_LIBRARY_FREE_CONTROLLER( + this_library, controller, struct SCIC_SDS_CONTROLLER, &status); + + return status; +} + +// --------------------------------------------------------------------------- + +U8 scic_library_get_pci_device_controller_count( + SCI_LIBRARY_HANDLE_T library +) +{ + SCIC_SDS_LIBRARY_T *this_library; + U16 device_id; + + this_library = (SCIC_SDS_LIBRARY_T *)library; + device_id = this_library->pci_device; + + //Check if we are on a b0 or c0 which has 2 controllers + if ( + // Warning: If 0x1d66 is ever defined to be a single controller + // this logic will fail. + // If 0x1d63 or 0x1d67 is ever defined to be dual + // controller this logic will fail. + ((device_id & 0xFFF1) == 0x1D60) + && ( + (this_library->pci_revision == SCU_PBG_HBA_REV_B0) + || (this_library->pci_revision == SCU_PBG_HBA_REV_C0) + || (this_library->pci_revision == SCU_PBG_HBA_REV_C1) + ) + ) + return 2; + else + return 1; +} + +// --------------------------------------------------------------------------- + +U32 scic_library_get_max_sge_size( + SCI_LIBRARY_HANDLE_T library +) +{ + return SCU_IO_REQUEST_MAX_SGE_SIZE; +} + +// --------------------------------------------------------------------------- + +U32 scic_library_get_max_sge_count( + SCI_LIBRARY_HANDLE_T library +) +{ + return SCU_IO_REQUEST_SGE_COUNT; +} + +// --------------------------------------------------------------------------- + +U32 scic_library_get_max_io_length( + SCI_LIBRARY_HANDLE_T library +) +{ + return SCU_IO_REQUEST_MAX_TRANSFER_LENGTH; +} + +// --------------------------------------------------------------------------- + +U16 scic_library_get_min_timer_count(void) +{ + return (U16) (scic_sds_controller_get_min_timer_count() + + scic_sds_remote_device_get_min_timer_count() + + scic_sds_request_get_min_timer_count()); +} + +// --------------------------------------------------------------------------- + +U16 scic_library_get_max_timer_count(void) +{ + return (U16) (scic_sds_controller_get_max_timer_count() + + scic_sds_remote_device_get_max_timer_count() + + scic_sds_request_get_max_timer_count()); +} + +/** + * + */ +U8 scic_sds_library_get_controller_index( + SCIC_SDS_LIBRARY_T * library, + SCIC_SDS_CONTROLLER_T * controller +) +{ + U8 index; + + for (index = 0; index < library->max_controller_count; index++) + { + if (controller == &library->controllers[index]) + { + return index; + } + } + + return 0xff; +} + |
