drivers/scsi/isci/probe_roms.h

   1 /*
   2  * This file is provided under a dual BSD/GPLv2 license.  When using or
   3  * redistributing this file, you may do so under either license.
   4  *
   5  * GPL LICENSE SUMMARY
   6  *
   7  * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of version 2 of the GNU General Public License as
  11  * published by the Free Software Foundation.
  12  *
  13  * This program is distributed in the hope that it will be useful, but
  14  * WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
  21  * The full GNU General Public License is included in this distribution
  22  * in the file called LICENSE.GPL.
  23  *
  24  * BSD LICENSE
  25  *
  26  * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
  27  * All rights reserved.
  28  *
  29  * Redistribution and use in source and binary forms, with or without
  30  * modification, are permitted provided that the following conditions
  31  * are met:
  32  *
  33  *   * Redistributions of source code must retain the above copyright
  34  *     notice, this list of conditions and the following disclaimer.
  35  *   * Redistributions in binary form must reproduce the above copyright
  36  *     notice, this list of conditions and the following disclaimer in
  37  *     the documentation and/or other materials provided with the
  38  *     distribution.
  39  *   * Neither the name of Intel Corporation nor the names of its
  40  *     contributors may be used to endorse or promote products derived
  41  *     from this software without specific prior written permission.
  42  *
  43  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  44  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  45  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  46  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  47  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  48  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  49  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  50  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  51  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  52  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  53  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  54  */
  55 #ifndef _ISCI_PROBE_ROMS_H_
  56 #define _ISCI_PROBE_ROMS_H_
  57
  58 #ifdef __KERNEL__
  59 #include <linux/firmware.h>
  60 #include <linux/pci.h>
  61
  62 struct isci_orom *isci_request_oprom(struct pci_dev *pdev);
  63
  64 union scic_oem_parameters;
  65 struct isci_orom;
  66
  67 enum sci_status isci_parse_oem_parameters(
  68         union scic_oem_parameters *oem_params,
  69         struct isci_orom *orom,
  70         int scu_index);
  71 struct isci_orom *isci_request_firmware(struct pci_dev *pdev, const struct firmware *fw);
  72 struct isci_orom *isci_get_efi_var(struct pci_dev *pdev);
  73
  74 struct isci_oem_hdr {
  75         u8 sig[4];
  76         u8 rev_major;
  77         u8 rev_minor;
  78         u16 len;
  79         u8 checksum;
  80         u8 reserved1;
  81         u16 reserved2;
  82 } __attribute__ ((packed));
  83
  84 #else
  85 #define SCI_MAX_PORTS 4
  86 #define SCI_MAX_PHYS 4
  87 #define SCI_MAX_CONTROLLERS 2
  88 #endif
  89
  90 #define ISCI_FW_NAME            "isci/isci_firmware.bin"
  91
  92 #define ROMSIGNATURE            0xaa55
  93
  94 #define ISCI_OEM_SIG            "$OEM"
  95 #define ISCI_OEM_SIG_SIZE       4
  96 #define ISCI_ROM_SIG            "ISCUOEMB"
  97 #define ISCI_ROM_SIG_SIZE       8
  98
  99 #define ISCI_EFI_VENDOR_GUID    \
 100         EFI_GUID(0x193dfefa, 0xa445, 0x4302, 0x99, 0xd8, 0xef, 0x3a, 0xad, \
 101                         0x1a, 0x04, 0xc6)
 102 #define ISCI_EFI_ATTRIBUTES     0
 103 #define ISCI_EFI_VAR_NAME       "RstScuO"
 104
 105 /* Allowed PORT configuration modes APC Automatic PORT configuration mode is
 106  * defined by the OEM configuration parameters providing no PHY_MASK parameters
 107  * for any PORT. i.e. There are no phys assigned to any of the ports at start.
 108  * MPC Manual PORT configuration mode is defined by the OEM configuration
 109  * parameters providing a PHY_MASK value for any PORT.  It is assumed that any
 110  * PORT with no PHY_MASK is an invalid port and not all PHYs must be assigned.
 111  * A PORT_PHY mask that assigns just a single PHY to a port and no other PHYs
 112  * being assigned is sufficient to declare manual PORT configuration.
 113  */
 114 enum scic_port_configuration_mode {
 115         SCIC_PORT_MANUAL_CONFIGURATION_MODE = 0,
 116         SCIC_PORT_AUTOMATIC_CONFIGURATION_MODE = 1
 117 };
 118
 119 struct sci_bios_oem_param_block_hdr {
 120         uint8_t signature[ISCI_ROM_SIG_SIZE];
 121         uint16_t total_block_length;
 122         uint8_t hdr_length;
 123         uint8_t version;
 124         uint8_t preboot_source;
 125         uint8_t num_elements;
 126         uint16_t element_length;
 127         uint8_t reserved[8];
 128 } __attribute__ ((packed));
 129
 130 struct scic_sds_oem_params {
 131         struct {
 132                 uint8_t mode_type;
 133                 uint8_t max_concurrent_dev_spin_up;
 134                 uint8_t do_enable_ssc;
 135                 uint8_t reserved;
 136         } controller;
 137
 138         struct {
 139                 uint8_t phy_mask;
 140         } ports[SCI_MAX_PORTS];
 141
 142         struct sci_phy_oem_params {
 143                 struct {
 144                         uint32_t high;
 145                         uint32_t low;
 146                 } sas_address;
 147
 148                 uint32_t afe_tx_amp_control0;
 149                 uint32_t afe_tx_amp_control1;
 150                 uint32_t afe_tx_amp_control2;
 151                 uint32_t afe_tx_amp_control3;
 152         } phys[SCI_MAX_PHYS];
 153 } __attribute__ ((packed));
 154
 155 struct isci_orom {
 156         struct sci_bios_oem_param_block_hdr hdr;
 157         struct scic_sds_oem_params ctrl[SCI_MAX_CONTROLLERS];
 158 } __attribute__ ((packed));
 159
 160 #endif