diff options
| author | Ian Moffett <ian@osmora.org> | 2024-06-02 23:08:43 -0400 |
|---|---|---|
| committer | Ian Moffett <ian@osmora.org> | 2024-06-02 23:10:32 -0400 |
| commit | 04fa82397e3a58a496e9d6883eb7495ef3ecea64 (patch) | |
| tree | e9814b58052f467f29c353fe6c6ec20f1a525204 /sys/include/dev | |
| parent | 614ffa927eb7acb1c1fb31f5186f5e3d4b1bca74 (diff) | |
kernel: ahci: Add SATA read/write support
This commit introduces SATA read/write support and exposes SATA devices
to userland as /dev/sdN files
Signed-off-by: Ian Moffett <ian@osmora.org>
Diffstat (limited to 'sys/include/dev')
| -rw-r--r-- | sys/include/dev/ic/ahcivar.h | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/sys/include/dev/ic/ahcivar.h b/sys/include/dev/ic/ahcivar.h index 0b945ae..edef4f6 100644 --- a/sys/include/dev/ic/ahcivar.h +++ b/sys/include/dev/ic/ahcivar.h @@ -33,6 +33,7 @@ #include <sys/types.h> #include <sys/cdefs.h> #include <sys/mutex.h> +#include <sys/queue.h> #include <dev/ic/ahciregs.h> struct ata_identity { @@ -113,6 +114,13 @@ struct ahci_fis_h2d { 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; @@ -121,8 +129,10 @@ struct ahci_hba { }; /* Commands */ -#define ATA_CMD_NOP 0x00 -#define ATA_CMD_IDENTIFY 0xEC +#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 |