Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / openbios / drivers / ide.h

diff --git a/qemu/roms/openbios/drivers/ide.h b/qemu/roms/openbios/drivers/ide.h
new file mode 100644 (file)
index 0000000..d6c4b9f
--- /dev/null
+++ b/qemu/roms/openbios/drivers/ide.h
@@ -0,0 +1,213 @@
+#ifndef IDE_H
+#define IDE_H
+
+#include "hdreg.h"
+
+/*
+ * legacy ide ports
+ */
+#define IDEREG_DATA    0x00
+#define IDEREG_ERROR   0x01
+#define IDEREG_FEATURE IDEREG_ERROR
+#define IDEREG_NSECTOR 0x02
+#define IDEREG_SECTOR  0x03
+#define IDEREG_LCYL    0x04
+#define IDEREG_HCYL    0x05
+#define IDEREG_CURRENT 0x06
+#define IDEREG_STATUS  0x07
+#define IDEREG_COMMAND IDEREG_STATUS
+#define IDEREG_CONTROL 0x08
+#define IDEREG_ASTATUS IDEREG_CONTROL
+
+/*
+ * device control bits
+ */
+#define IDECON_NIEN    0x02
+#define IDECON_SRST    0x04
+
+/*
+ * device head bits
+ */
+#define IDEHEAD_LBA    0x40
+#define IDEHEAD_DEV0   0x00
+#define IDEHEAD_DEV1   0x10
+
+/*
+ * status bytes
+ */
+#define ERR_STAT       0x01
+#define DRQ_STAT       0x08
+#define SEEK_STAT      0x10
+#define WRERR_STAT     0x20
+#define READY_STAT     0x40
+#define BUSY_STAT      0x80
+
+#define IREASON_CD     0x01
+#define IREASON_IO     0x02
+
+/*
+ * ATA opcodes
+ */
+#define WIN_READ               0x20
+#define WIN_READ_EXT           0x24
+#define WIN_IDENTIFY           0xEC
+#define WIN_PACKET             0xA0
+#define WIN_IDENTIFY_PACKET    0xA1
+
+/*
+ * ATAPI opcodes
+ */
+#define ATAPI_TUR              0x00
+#define ATAPI_READ_10          0x28
+#define ATAPI_REQ_SENSE                0x03
+#define ATAPI_START_STOP_UNIT  0x1b
+#define ATAPI_READ_CAPACITY    0x25
+
+/*
+ * atapi sense keys
+ */
+#define ATAPI_SENSE_NOT_READY  0x02
+
+/*
+ * supported device types
+ */
+enum {
+       ide_type_unknown,
+       ide_type_ata,
+       ide_type_atapi,
+};
+
+enum {
+       ide_media_floppy = 0x00,
+       ide_media_cdrom = 0x05,
+       ide_media_optical = 0x07,
+       ide_media_disk = 0x20,
+};
+
+/*
+ * drive addressing
+ */
+enum {
+       ide_chs = 1,
+       ide_lba28,
+       ide_lba48,
+};
+
+/*
+ * simple ata command that works for everything (except 48-bit lba commands)
+ */
+struct ata_command {
+        unsigned char *buffer;
+       unsigned int buflen;
+
+       /*
+        * data register
+        */
+       unsigned char data;
+       unsigned char feature;
+       unsigned char nsector;
+       unsigned char sector;
+       unsigned char lcyl;
+       unsigned char hcyl;
+       unsigned char device_head;
+       unsigned char command;
+       unsigned char control;
+
+       /*
+        * or tasklet, just for lba48 for now (above could be scrapped)
+        */
+       unsigned char task[10];
+
+       /*
+        * output
+        */
+       unsigned char stat;
+       unsigned int bytes;
+};
+
+struct atapi_command {
+       unsigned char cdb[12];
+       unsigned char *buffer;
+       unsigned int buflen;
+       unsigned char data_direction;
+
+       unsigned char stat;
+       unsigned char sense_valid;
+       struct request_sense sense;
+       unsigned char old_cdb;
+};
+
+struct ide_channel;
+
+struct ide_drive {
+       char            unit;           /* 0: master, 1: slave */
+       char            present;        /* there or not */
+       char            type;           /* ata or atapi */
+       char            media;          /* disk, cdrom, etc */
+       char            addressing;     /* chs/lba28/lba48 */
+
+       char            model[41];      /* name */
+       int             nr;
+
+       unsigned long   sectors;
+
+       unsigned int    max_sectors;
+
+       /*
+        * for legacy chs crap
+        */
+       unsigned int    cyl;
+       unsigned int    head;
+       unsigned int    sect;
+
+       unsigned int bs;                /* block size */
+
+       struct ide_channel *channel;
+};
+
+struct ide_channel {
+
+       char name[32];
+       struct ide_channel *next;
+
+       /*
+        * either mmio or io_regs is set to indicate mmio or not
+        */
+       unsigned long mmio;
+       int io_regs[10];
+
+       /*
+        * can be set to a mmio hook, default it legacy outb/inb
+        */
+       void (*obide_outb)(struct ide_channel *chan,
+                          unsigned char addr, unsigned int port);
+       unsigned char (*obide_inb)(struct ide_channel *chan,
+                                  unsigned int port);
+       void (*obide_insw)(struct ide_channel *chan,
+                          unsigned int port, unsigned char *addr,
+                          unsigned int count);
+       void (*obide_outsw)(struct ide_channel *chan,
+                           unsigned int port, unsigned char *addr,
+                           unsigned int count);
+
+       struct ide_drive drives[2];
+       char selected;
+       char present;
+
+       /*
+        * only one can be busy per channel
+        */
+       struct ata_command ata_cmd;
+       struct atapi_command atapi_cmd;
+
+};
+
+enum {
+       atapi_ddir_none,
+       atapi_ddir_read,
+       atapi_ddir_write,
+};
+
+static int ob_ide_atapi_request_sense(struct ide_drive *drive);
+
+#endif