X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=qemu%2Froms%2Fopenbios%2Fdrivers%2Fide.h;fp=qemu%2Froms%2Fopenbios%2Fdrivers%2Fide.h;h=d6c4b9f5d8ab4b6336c9af56da96b650c58039fe;hb=e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb;hp=0000000000000000000000000000000000000000;hpb=9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00;p=kvmfornfv.git

diff --git a/qemu/roms/openbios/drivers/ide.h b/qemu/roms/openbios/drivers/ide.h
new file mode 100644
index 000000000..d6c4b9f5d
--- /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