diff options
Diffstat (limited to 'drivers/scsi/isci/core/intel_sata.h')
| -rw-r--r-- | drivers/scsi/isci/core/intel_sata.h | 280 |
1 files changed, 280 insertions, 0 deletions
diff --git a/drivers/scsi/isci/core/intel_sata.h b/drivers/scsi/isci/core/intel_sata.h new file mode 100644 index 0000000..47390d5 --- /dev/null +++ b/drivers/scsi/isci/core/intel_sata.h @@ -0,0 +1,280 @@ +/* + * 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. + * * Neither the name of Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * 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. + */ + +#ifndef _SATA_H_ +#define _SATA_H_ + +#include <linux/types.h> + +/** + * This file defines all of the SATA releated constants, enumerations, and + * types. Please note that this file does not necessarily contain an + * exhaustive list of all contants and commands. + * + * + */ + +/** + * + * + * SATA FIS Types These constants depict the various SATA FIS types devined in + * the serial ATA specification. + */ +#define SATA_FIS_TYPE_REGH2D 0x27 +#define SATA_FIS_TYPE_REGD2H 0x34 +#define SATA_FIS_TYPE_SETDEVBITS 0xA1 +#define SATA_FIS_TYPE_DMA_ACTIVATE 0x39 +#define SATA_FIS_TYPE_DMA_SETUP 0x41 +#define SATA_FIS_TYPE_BIST_ACTIVATE 0x58 +#define SATA_FIS_TYPE_PIO_SETUP 0x5F +#define SATA_FIS_TYPE_DATA 0x46 + +#define SATA_REGISTER_FIS_SIZE 0x20 + +/** + * struct sata_fis_header - This is the common definition for a SATA FIS Header + * word. A different header word is defined for any FIS type that does not + * use the standard header. + * + * + */ +struct sata_fis_header { + u32 fis_type:8; /* word 0 */ + u32 pm_port:4; + u32 reserved:1; + u32 direction_flag:1; /* direction */ + u32 interrupt_flag:1; + u32 command_flag:1; /* command, auto_activate, or notification */ + u32 status:8; + u32 error:8; +}; + + +/** + * struct sata_fis_reg_h2d - This is the definition for a SATA Host to Device + * Register FIS. + * + * + */ +struct sata_fis_reg_h2d { + u32 fis_type:8; /* word 0 */ + u32 pm_port:4; + u32 reserved0:3; + u32 command_flag:1; + u32 command:8; + u32 features:8; + u32 lba_low:8; /* word 1 */ + u32 lba_mid:8; + u32 lba_high:8; + u32 device:8; + u32 lba_low_exp:8; /* word 2 */ + u32 lba_mid_exp:8; + u32 lba_high_exp:8; + u32 features_exp:8; + u32 sector_count:8; /* word 3 */ + u32 sector_count_exp:8; + u32 reserved1:8; + u32 control:8; + u32 reserved2; /* word 4 */ +}; + +/** + * struct sata_fis_reg_d2h - SATA Device To Host FIS + * + * + */ +struct sata_fis_reg_d2h { + u32 fis_type:8; /* word 0 */ + u32 pm_port:4; + u32 reserved0:2; + u32 irq:1; + u32 reserved1:1; + u32 status:8; + u32 error:8; + u8 lba_low; /* word 1 */ + u8 lba_mid; + u8 lba_high; + u8 device; + u8 lba_low_exp; /* word 2 */ + u8 lba_mid_exp; + u8 lba_high_exp; + u8 reserved; + u8 sector_count; /* word 3 */ + u8 sector_count_exp; + u16 reserved2; + u32 reserved3; +}; + +/** + * + * + * Status field bit definitions + */ +#define SATA_FIS_STATUS_DEVBITS_MASK (0x77) + +/** + * struct sata_fis_set_dev_bits - SATA Set Device Bits FIS + * + * + */ +struct sata_fis_set_dev_bits { + u32 fis_type:8; /* word 0 */ + u32 pm_port:4; + u32 reserved0:2; + u32 irq:1; + u32 notification:1; + u32 status_low:4; + u32 status_high:4; + u32 error:8; + u32 s_active; /* word 1 */ +}; + +/** + * struct sata_fis_dma_activate - SATA DMA Activate FIS + * + * + */ +struct sata_fis_dma_activate { + u32 fis_type:8; /* word 0 */ + u32 pm_port:4; + u32 reserved0:24; +}; + +/** + * + * + * The lower 5 bits in the DMA Buffer ID Low field of the DMA Setup are used to + * communicate the command tag. + */ +#define SATA_DMA_SETUP_TAG_ENABLE 0x1F + +#define SATA_DMA_SETUP_AUTO_ACT_ENABLE 0x80 + +/** + * struct sata_fis_dma_setup - SATA DMA Setup FIS + * + * + */ +struct sata_fis_dma_setup { + u32 fis_type:8; /* word 0 */ + u32 pm_port:4; + u32 reserved_00:1; + u32 direction:1; + u32 irq:1; + u32 auto_activate:1; + u32 reserved_01:16; + u32 dma_buffer_id_low; /* word 1 */ + u32 dma_buffer_id_high; /* word 2 */ + u32 reserved0; /* word 3 */ + u32 dma_buffer_offset; /* word 4 */ + u32 dma_transfer_count; /* word 5 */ + u32 reserved1; /* word 6 */ +}; + +/** + * struct sata_fis_bist_activate - SATA BIST Activate FIS + * + * + */ +struct sata_fis_bist_activate { + u32 fis_type:8; /* word 0 */ + u32 reserved0:8; + u32 pattern_definition:8; + u32 reserved1:8; + u32 data1; /* word 1 */ + u32 data2; /* word 1 */ +}; + +/* + * SATA PIO Setup FIS + */ +struct sata_fis_pio_setup { + u32 fis_type:8; /* word 0 */ + u32 pm_port:4; + u32 reserved_00:1; + u32 direction:1; + u32 irq:1; + u32 reserved_01:1; + u32 status:8; + u32 error:8; + u32 lba_low:8; /* word 1 */ + u32 lba_mid:8; + u32 lba_high:8; + u32 device:8; + u32 lba_low_exp:8; /* word 2 */ + u32 lba_mid_exp:8; + u32 lba_high_exp:8; + u32 reserved:8; + u32 sector_count:8; /* word 3 */ + u32 sector_count_exp:8; + u32 reserved1:8; + u32 ending_status:8; + u32 transfter_count:16; /* word 4 */ + u32 reserved3:16; +}; + +/** + * struct sata_fis_data - SATA Data FIS + * + * + */ +struct sata_fis_data { + u32 fis_type:8; /* word 0 */ + u32 pm_port:4; + u32 reserved0:24; + u8 data[4]; /* word 1 */ +}; + +#endif /* _SATA_H_ */ |
