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Diffstat (limited to 'sys/include/dev/ic/ahcivar.h')
| -rw-r--r-- | sys/include/dev/ic/ahcivar.h | 146 |
1 files changed, 0 insertions, 146 deletions
diff --git a/sys/include/dev/ic/ahcivar.h b/sys/include/dev/ic/ahcivar.h deleted file mode 100644 index edef4f6..0000000 --- a/sys/include/dev/ic/ahcivar.h +++ /dev/null @@ -1,146 +0,0 @@ -/* - * Copyright (c) 2023-2024 Ian Marco Moffett and the Osmora Team. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. 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. - * 3. Neither the name of Hyra 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 _AHCIVAR_H_ -#define _AHCIVAR_H_ - -#include <sys/types.h> -#include <sys/cdefs.h> -#include <sys/mutex.h> -#include <sys/queue.h> -#include <dev/ic/ahciregs.h> - -struct ata_identity { - uint16_t rsvd0 : 1; - uint16_t unused0 : 1; - uint16_t incomplete : 1; - uint16_t unused1 : 3; - uint16_t fixed_dev : 1; - uint16_t removable : 1; - uint16_t unused2 : 7; - uint16_t device_type : 1; - uint16_t ncylinders; - uint16_t specific_config; - uint16_t nheads; - uint16_t unused3[2]; - uint16_t sectors_per_track; - uint16_t vendor[3]; - char serial_number[20]; - uint16_t unused4[2]; - uint16_t unused5; - char firmware_rev[8]; - char model_number[40]; - char pad[256]; -}; - -/* Physical region descriptor table entry */ -struct ahci_prdt_entry { - uintptr_t dba; /* Data base address */ - uint32_t rsvd0; /* Reserved */ - uint32_t dbc : 22; /* Count */ - uint16_t rsvd1 : 9; /* Reserved */ - uint8_t i : 1; /* Interrupt on completion */ -}; - -/* Command header */ -struct ahci_cmd_hdr { - uint8_t cfl : 5; /* Command FIS length */ - uint8_t a : 1; /* ATAPI */ - uint8_t w : 1; /* Write */ - uint8_t p : 1; /* Prefetchable */ - uint8_t r : 1; /* Reset */ - uint8_t c : 1; /* Clear busy upon R_OK */ - uint8_t rsvd0 : 1; /* Reserved */ - uint8_t pmp : 4; /* Port multiplier port */ - uint16_t prdtl; /* PRDT length (in entries) */ - volatile uint32_t prdbc; /* PRDT bytes transferred count */ - uintptr_t ctba; /* Command table descriptor base addr */ - uint32_t rsvd1[4]; /* Reserved */ -}; - -/* Command table */ -struct ahci_cmdtab { - uint8_t cfis[64]; - uint8_t acmd[16]; - uint8_t rsvd[48]; - struct ahci_prdt_entry prdt[1]; -}; - -struct ahci_fis_h2d { - uint8_t type; - uint8_t pmp : 4; - uint8_t rsvd0 : 3; - uint8_t c : 1; - uint8_t command; - uint8_t featurel; - uint8_t lba0; - uint8_t lba1; - uint8_t lba2; - uint8_t device; - uint8_t lba3; - uint8_t lba4; - uint8_t lba5; - uint8_t featureh; - uint8_t countl; - uint8_t counth; - uint8_t icc; - uint8_t control; - uint8_t rsvd1[4]; -}; - -struct ahci_device { - struct ahci_hba *hba; - struct hba_port *port; - dev_t minor; - TAILQ_ENTRY(ahci_device) link; -}; - -struct ahci_hba { - struct hba_memspace *abar; - struct ahci_cmd_hdr *cmdlist; - uint32_t ncmdslots; - uint32_t nports; -}; - -/* Commands */ -#define ATA_CMD_NOP 0x00 -#define ATA_CMD_IDENTIFY 0xEC -#define ATA_CMD_READ_DMA 0x25 -#define ATA_CMD_WRITE_DMA 0x35 - -/* FIS types */ -#define FIS_TYPE_H2D 0x27 -#define FIS_TYPE_D2H 0x34 - -#define AHCI_TIMEOUT 500 -#define AHCI_FIS_SIZE 256 -#define AHCI_CMDTAB_SIZE 256 -#define AHCI_CMDENTRY_SIZE 32 - -#endif /* !_AHCIVAR_H_ */ |