1 files changed, 0 insertions, 683 deletions

diff --git a/qemu/roms/ipxe/src/drivers/block/ata.c b/qemu/roms/ipxe/src/drivers/block/ata.c
deleted file mode 100644
index b1c6855a0..000000000
--- a/qemu/roms/ipxe/src/drivers/block/ata.c
+++ /dev/null
@@ -1,683 +0,0 @@
-/*
- * Copyright (C) 2006 Michael Brown <mbrown@fensystems.co.uk>.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of the
- * License, or any later version.
- *
- * 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 Street, Fifth Floor, Boston, MA
- * 02110-1301, USA.
- *
- * You can also choose to distribute this program under the terms of
- * the Unmodified Binary Distribution Licence (as given in the file
- * COPYING.UBDL), provided that you have satisfied its requirements.
- */
-
-FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
-
-#include <stddef.h>
-#include <stdlib.h>
-#include <string.h>
-#include <assert.h>
-#include <errno.h>
-#include <byteswap.h>
-#include <ipxe/list.h>
-#include <ipxe/interface.h>
-#include <ipxe/blockdev.h>
-#include <ipxe/edd.h>
-#include <ipxe/ata.h>
-
-/** @file
- *
- * ATA block device
- *
- */
-
-/******************************************************************************
- *
- * Interface methods
- *
- ******************************************************************************
- */
-
-/**
- * Issue ATA command
- *
- * @v control		ATA control interface
- * @v data		ATA data interface
- * @v command		ATA command
- * @ret tag		Command tag, or negative error
- */
-int ata_command ( struct interface *control, struct interface *data,
-		  struct ata_cmd *command ) {
-	struct interface *dest;
-	ata_command_TYPE ( void * ) *op =
-		intf_get_dest_op ( control, ata_command, &dest );
-	void *object = intf_object ( dest );
-	int tag;
-
-	if ( op ) {
-		tag = op ( object, data, command );
-	} else {
-		/* Default is to fail to issue the command */
-		tag = -EOPNOTSUPP;
-	}
-
-	intf_put ( dest );
-	return tag;
-}
-
-/******************************************************************************
- *
- * ATA devices and commands
- *
- ******************************************************************************
- */
-
-/** List of all ATA commands */
-static LIST_HEAD ( ata_commands );
-
-/** An ATA device */
-struct ata_device {
-	/** Reference count */
-	struct refcnt refcnt;
-	/** Block control interface */
-	struct interface block;
-	/** ATA control interface */
-	struct interface ata;
-
-	/** Device number
-	 *
-	 * Must be ATA_DEV_MASTER or ATA_DEV_SLAVE.
-	 */
-	unsigned int device;
-	/** Maximum number of blocks per single transfer */
-	unsigned int max_count;
-	/** Device uses LBA48 extended addressing */
-	int lba48;
-};
-
-/** An ATA command */
-struct ata_command {
-	/** Reference count */
-	struct refcnt refcnt;
-	/** ATA device */
-	struct ata_device *atadev;
-	/** List of ATA commands */
-	struct list_head list;
-
-	/** Block data interface */
-	struct interface block;
-	/** ATA data interface */
-	struct interface ata;
-
-	/** Command type */
-	struct ata_command_type *type;
-	/** Command tag */
-	uint32_t tag;
-
-	/** Private data */
-	uint8_t priv[0];
-};
-
-/** An ATA command type */
-struct ata_command_type {
-	/** Name */
-	const char *name;
-	/** Additional working space */
-	size_t priv_len;
-	/** Command for non-LBA48-capable devices */
-	uint8_t cmd_lba;
-	/** Command for LBA48-capable devices */
-	uint8_t cmd_lba48;
-	/**
-	 * Calculate data-in buffer
-	 *
-	 * @v atacmd		ATA command
-	 * @v buffer		Available buffer
-	 * @v len		Available buffer length
-	 * @ret data_in		Data-in buffer
-	 * @ret data_in_len	Data-in buffer length
-	 */
-	void ( * data_in ) ( struct ata_command *atacmd, userptr_t buffer,
-			     size_t len, userptr_t *data_in,
-			     size_t *data_in_len );
-	/**
-	 * Calculate data-out buffer
-	 *
-	 *
-	 * @v atacmd		ATA command
-	 * @v buffer		Available buffer
-	 * @v len		Available buffer length
-	 * @ret data_out	Data-out buffer
-	 * @ret data_out_len	Data-out buffer length
-	 */
-	void ( * data_out ) ( struct ata_command *atacmd, userptr_t buffer,
-			      size_t len, userptr_t *data_out,
-			      size_t *data_out_len );
-	/**
-	 * Handle ATA command completion
-	 *
-	 * @v atacmd		ATA command
-	 * @v rc		Reason for completion
-	 */
-	void ( * done ) ( struct ata_command *atacmd, int rc );
-};
-
-/**
- * Get reference to ATA device
- *
- * @v atadev		ATA device
- * @ret atadev		ATA device
- */
-static inline __attribute__ (( always_inline )) struct ata_device *
-atadev_get ( struct ata_device *atadev ) {
-	ref_get ( &atadev->refcnt );
-	return atadev;
-}
-
-/**
- * Drop reference to ATA device
- *
- * @v atadev		ATA device
- */
-static inline __attribute__ (( always_inline )) void
-atadev_put ( struct ata_device *atadev ) {
-	ref_put ( &atadev->refcnt );
-}
-
-/**
- * Get reference to ATA command
- *
- * @v atacmd		ATA command
- * @ret atacmd		ATA command
- */
-static inline __attribute__ (( always_inline )) struct ata_command *
-atacmd_get ( struct ata_command *atacmd ) {
-	ref_get ( &atacmd->refcnt );
-	return atacmd;
-}
-
-/**
- * Drop reference to ATA command
- *
- * @v atacmd		ATA command
- */
-static inline __attribute__ (( always_inline )) void
-atacmd_put ( struct ata_command *atacmd ) {
-	ref_put ( &atacmd->refcnt );
-}
-
-/**
- * Get ATA command private data
- *
- * @v atacmd		ATA command
- * @ret priv		Private data
- */
-static inline __attribute__ (( always_inline )) void *
-atacmd_priv ( struct ata_command *atacmd ) {
-	return atacmd->priv;
-}
-
-/**
- * Free ATA command
- *
- * @v refcnt		Reference count
- */
-static void atacmd_free ( struct refcnt *refcnt ) {
-	struct ata_command *atacmd =
-		container_of ( refcnt, struct ata_command, refcnt );
-
-	/* Remove from list of commands */
-	list_del ( &atacmd->list );
-	atadev_put ( atacmd->atadev );
-
-	/* Free command */
-	free ( atacmd );
-}
-
-/**
- * Close ATA command
- *
- * @v atacmd		ATA command
- * @v rc		Reason for close
- */
-static void atacmd_close ( struct ata_command *atacmd, int rc ) {
-	struct ata_device *atadev = atacmd->atadev;
-
-	if ( rc != 0 ) {
-		DBGC ( atadev, "ATA %p tag %08x closed: %s\n",
-		       atadev, atacmd->tag, strerror ( rc ) );
-	}
-
-	/* Shut down interfaces */
-	intf_shutdown ( &atacmd->ata, rc );
-	intf_shutdown ( &atacmd->block, rc );
-}
-
-/**
- * Handle ATA command completion
- *
- * @v atacmd		ATA command
- * @v rc		Reason for close
- */
-static void atacmd_done ( struct ata_command *atacmd, int rc ) {
-
-	/* Hand over to the command completion handler */
-	atacmd->type->done ( atacmd, rc );
-}
-
-/**
- * Use provided data buffer for ATA command
- *
- * @v atacmd		ATA command
- * @v buffer		Available buffer
- * @v len		Available buffer length
- * @ret data		Data buffer
- * @ret data_len	Data buffer length
- */
-static void atacmd_data_buffer ( struct ata_command *atacmd __unused,
-				 userptr_t buffer, size_t len,
-				 userptr_t *data, size_t *data_len ) {
-	*data = buffer;
-	*data_len = len;
-}
-
-/**
- * Use no data buffer for ATA command
- *
- * @v atacmd		ATA command
- * @v buffer		Available buffer
- * @v len		Available buffer length
- * @ret data		Data buffer
- * @ret data_len	Data buffer length
- */
-static void atacmd_data_none ( struct ata_command *atacmd __unused,
-			       userptr_t buffer __unused, size_t len __unused,
-			       userptr_t *data __unused,
-			       size_t *data_len __unused ) {
-	/* Nothing to do */
-}
-
-/**
- * Use private data buffer for ATA command
- *
- * @v atacmd		ATA command
- * @v buffer		Available buffer
- * @v len		Available buffer length
- * @ret data		Data buffer
- * @ret data_len	Data buffer length
- */
-static void atacmd_data_priv ( struct ata_command *atacmd,
-			       userptr_t buffer __unused, size_t len __unused,
-			       userptr_t *data, size_t *data_len ) {
-	*data = virt_to_user ( atacmd_priv ( atacmd ) );
-	*data_len = atacmd->type->priv_len;
-}
-
-/** ATA READ command type */
-static struct ata_command_type atacmd_read = {
-	.name = "READ",
-	.cmd_lba = ATA_CMD_READ,
-	.cmd_lba48 = ATA_CMD_READ_EXT,
-	.data_in = atacmd_data_buffer,
-	.data_out = atacmd_data_none,
-	.done = atacmd_close,
-};
-
-/** ATA WRITE command type */
-static struct ata_command_type atacmd_write = {
-	.name = "WRITE",
-	.cmd_lba = ATA_CMD_WRITE,
-	.cmd_lba48 = ATA_CMD_WRITE_EXT,
-	.data_in = atacmd_data_none,
-	.data_out = atacmd_data_buffer,
-	.done = atacmd_close,
-};
-
-/** ATA IDENTIFY private data */
-struct ata_identify_private {
-	/** Identity data */
-	struct ata_identity identity;
-};
-
-/**
- * Return ATA model string (for debugging)
- *
- * @v identify		ATA identity data
- * @ret model		Model string
- */
-static const char * ata_model ( struct ata_identity *identity ) {
-	static union {
-		uint16_t words[ sizeof ( identity->model ) / 2 ];
-		char text[ sizeof ( identity->model ) + 1 /* NUL */ ];
-	} buf;
-	unsigned int i;
-
-	for ( i = 0 ; i < ( sizeof ( identity->model ) / 2 ) ; i++ )
-		buf.words[i] = bswap_16 ( identity->model[i] );
-
-	return buf.text;
-}
-
-/**
- * Handle ATA IDENTIFY command completion
- *
- * @v atacmd		ATA command
- * @v rc		Reason for completion
- */
-static void atacmd_identify_done ( struct ata_command *atacmd, int rc ) {
-	struct ata_device *atadev = atacmd->atadev;
-	struct ata_identify_private *priv = atacmd_priv ( atacmd );
-	struct ata_identity *identity = &priv->identity;
-	struct block_device_capacity capacity;
-
-	/* Close if command failed */
-	if ( rc != 0 ) {
-		atacmd_close ( atacmd, rc );
-		return;
-	}
-
-	/* Extract capacity */
-	if ( identity->supports_lba48 & cpu_to_le16 ( ATA_SUPPORTS_LBA48 ) ) {
-		atadev->lba48 = 1;
-		capacity.blocks = le64_to_cpu ( identity->lba48_sectors );
-	} else {
-		capacity.blocks = le32_to_cpu ( identity->lba_sectors );
-	}
-	capacity.blksize = ATA_SECTOR_SIZE;
-	capacity.max_count = atadev->max_count;
-	DBGC ( atadev, "ATA %p is a %s\n", atadev, ata_model ( identity ) );
-	DBGC ( atadev, "ATA %p has %#llx blocks (%ld MB) and uses %s\n",
-	       atadev, capacity.blocks,
-	       ( ( signed long ) ( capacity.blocks >> 11 ) ),
-	       ( atadev->lba48 ? "LBA48" : "LBA" ) );
-
-	/* Return capacity to caller */
-	block_capacity ( &atacmd->block, &capacity );
-
-	/* Close command */
-	atacmd_close ( atacmd, 0 );
-}
-
-/** ATA IDENTITY command type */
-static struct ata_command_type atacmd_identify = {
-	.name = "IDENTIFY",
-	.priv_len = sizeof ( struct ata_identify_private ),
-	.cmd_lba = ATA_CMD_IDENTIFY,
-	.cmd_lba48 = ATA_CMD_IDENTIFY,
-	.data_in = atacmd_data_priv,
-	.data_out = atacmd_data_none,
-	.done = atacmd_identify_done,
-};
-
-/** ATA command block interface operations */
-static struct interface_operation atacmd_block_op[] = {
-	INTF_OP ( intf_close, struct ata_command *, atacmd_close ),
-};
-
-/** ATA command block interface descriptor */
-static struct interface_descriptor atacmd_block_desc =
-	INTF_DESC_PASSTHRU ( struct ata_command, block,
-			     atacmd_block_op, ata );
-
-/** ATA command ATA interface operations */
-static struct interface_operation atacmd_ata_op[] = {
-	INTF_OP ( intf_close, struct ata_command *, atacmd_done ),
-};
-
-/** ATA command ATA interface descriptor */
-static struct interface_descriptor atacmd_ata_desc =
-	INTF_DESC_PASSTHRU ( struct ata_command, ata,
-			     atacmd_ata_op, block );
-
-/**
- * Create ATA command
- *
- * @v atadev		ATA device
- * @v block		Block data interface
- * @v type		ATA command type
- * @v lba		Starting logical block address
- * @v count		Number of blocks to transfer
- * @v buffer		Data buffer
- * @v len		Length of data buffer
- * @ret rc		Return status code
- */
-static int atadev_command ( struct ata_device *atadev,
-			    struct interface *block,
-			    struct ata_command_type *type,
-			    uint64_t lba, unsigned int count,
-			    userptr_t buffer, size_t len ) {
-	struct ata_command *atacmd;
-	struct ata_cmd command;
-	int tag;
-	int rc;
-
-	/* Allocate and initialise structure */
-	atacmd = zalloc ( sizeof ( *atacmd ) + type->priv_len );
-	if ( ! atacmd ) {
-		rc = -ENOMEM;
-		goto err_zalloc;
-	}
-	ref_init ( &atacmd->refcnt, atacmd_free );
-	intf_init ( &atacmd->block, &atacmd_block_desc, &atacmd->refcnt );
-	intf_init ( &atacmd->ata, &atacmd_ata_desc,
-		    &atacmd->refcnt );
-	atacmd->atadev = atadev_get ( atadev );
-	list_add ( &atacmd->list, &ata_commands );
-	atacmd->type = type;
-
-	/* Sanity check */
-	if ( len != ( count * ATA_SECTOR_SIZE ) ) {
-		DBGC ( atadev, "ATA %p tag %08x buffer length mismatch (count "
-		       "%d len %zd)\n", atadev, atacmd->tag, count, len );
-		rc = -EINVAL;
-		goto err_len;
-	}
-
-	/* Construct command */
-	memset ( &command, 0, sizeof ( command ) );
-	command.cb.lba.native = lba;
-	command.cb.count.native = count;
-	command.cb.device = ( atadev->device | ATA_DEV_OBSOLETE | ATA_DEV_LBA );
-	command.cb.lba48 = atadev->lba48;
-	if ( ! atadev->lba48 )
-		command.cb.device |= command.cb.lba.bytes.low_prev;
-	command.cb.cmd_stat =
-		( atadev->lba48 ? type->cmd_lba48 : type->cmd_lba );
-	type->data_in ( atacmd, buffer, len,
-			&command.data_in, &command.data_in_len );
-	type->data_out ( atacmd, buffer, len,
-			 &command.data_out, &command.data_out_len );
-
-	/* Issue command */
-	if ( ( tag = ata_command ( &atadev->ata, &atacmd->ata,
-				   &command ) ) < 0 ) {
-		rc = tag;
-		DBGC ( atadev, "ATA %p tag %08x could not issue command: %s\n",
-		       atadev, atacmd->tag, strerror ( rc ) );
-		goto err_command;
-	}
-	atacmd->tag = tag;
-
-	DBGC2 ( atadev, "ATA %p tag %08x %s cmd %02x dev %02x LBA%s %08llx "
-		"count %04x\n", atadev, atacmd->tag, atacmd->type->name,
-		command.cb.cmd_stat, command.cb.device,
-		( command.cb.lba48 ? "48" : "" ),
-		( unsigned long long ) command.cb.lba.native,
-		command.cb.count.native );
-
-	/* Attach to parent interface, mortalise self, and return */
-	intf_plug_plug ( &atacmd->block, block );
-	ref_put ( &atacmd->refcnt );
-	return 0;
-
- err_command:
- err_len:
-	atacmd_close ( atacmd, rc );
-	ref_put ( &atacmd->refcnt );
- err_zalloc:
-	return rc;
-}
-
-/**
- * Issue ATA block read
- *
- * @v atadev		ATA device
- * @v block		Block data interface
- * @v lba		Starting logical block address
- * @v count		Number of blocks to transfer
- * @v buffer		Data buffer
- * @v len		Length of data buffer
- * @ret rc		Return status code
-
- */
-static int atadev_read ( struct ata_device *atadev,
-			 struct interface *block,
-			 uint64_t lba, unsigned int count,
-			 userptr_t buffer, size_t len ) {
-	return atadev_command ( atadev, block, &atacmd_read,
-				lba, count, buffer, len );
-}
-
-/**
- * Issue ATA block write
- *
- * @v atadev		ATA device
- * @v block		Block data interface
- * @v lba		Starting logical block address
- * @v count		Number of blocks to transfer
- * @v buffer		Data buffer
- * @v len		Length of data buffer
- * @ret rc		Return status code
- */
-static int atadev_write ( struct ata_device *atadev,
-			  struct interface *block,
-			  uint64_t lba, unsigned int count,
-			  userptr_t buffer, size_t len ) {
-	return atadev_command ( atadev, block, &atacmd_write,
-				lba, count, buffer, len );
-}
-
-/**
- * Read ATA device capacity
- *
- * @v atadev		ATA device
- * @v block		Block data interface
- * @ret rc		Return status code
- */
-static int atadev_read_capacity ( struct ata_device *atadev,
-				  struct interface *block ) {
-	struct ata_identity *identity;
-
-	assert ( atacmd_identify.priv_len == sizeof ( *identity ) );
-	assert ( atacmd_identify.priv_len == ATA_SECTOR_SIZE );
-	return atadev_command ( atadev, block, &atacmd_identify,
-				0, 1, UNULL, ATA_SECTOR_SIZE );
-}
-
-/**
- * Close ATA device
- *
- * @v atadev		ATA device
- * @v rc		Reason for close
- */
-static void atadev_close ( struct ata_device *atadev, int rc ) {
-	struct ata_command *atacmd;
-	struct ata_command *tmp;
-
-	/* Shut down interfaces */
-	intf_shutdown ( &atadev->block, rc );
-	intf_shutdown ( &atadev->ata, rc );
-
-	/* Shut down any remaining commands */
-	list_for_each_entry_safe ( atacmd, tmp, &ata_commands, list ) {
-		if ( atacmd->atadev != atadev )
-			continue;
-		atacmd_get ( atacmd );
-		atacmd_close ( atacmd, rc );
-		atacmd_put ( atacmd );
-	}
-}
-
-/**
- * Describe ATA device using EDD
- *
- * @v atadev		ATA device
- * @v type		EDD interface type
- * @v path		EDD device path
- * @ret rc		Return status code
- */
-static int atadev_edd_describe ( struct ata_device *atadev,
-				 struct edd_interface_type *type,
-				 union edd_device_path *path ) {
-
-	type->type = cpu_to_le64 ( EDD_INTF_TYPE_ATA );
-	path->ata.slave = ( ( atadev->device == ATA_DEV_SLAVE ) ? 0x01 : 0x00 );
-	return 0;
-}
-
-/** ATA device block interface operations */
-static struct interface_operation atadev_block_op[] = {
-	INTF_OP ( block_read, struct ata_device *, atadev_read ),
-	INTF_OP ( block_write, struct ata_device *, atadev_write ),
-	INTF_OP ( block_read_capacity, struct ata_device *,
-		  atadev_read_capacity ),
-	INTF_OP ( intf_close, struct ata_device *, atadev_close ),
-	INTF_OP ( edd_describe, struct ata_device *, atadev_edd_describe ),
-};
-
-/** ATA device block interface descriptor */
-static struct interface_descriptor atadev_block_desc =
-	INTF_DESC_PASSTHRU ( struct ata_device, block,
-			     atadev_block_op, ata );
-
-/** ATA device ATA interface operations */
-static struct interface_operation atadev_ata_op[] = {
-	INTF_OP ( intf_close, struct ata_device *, atadev_close ),
-};
-
-/** ATA device ATA interface descriptor */
-static struct interface_descriptor atadev_ata_desc =
-	INTF_DESC_PASSTHRU ( struct ata_device, ata,
-			     atadev_ata_op, block );
-
-/**
- * Open ATA device
- *
- * @v block		Block control interface
- * @v ata		ATA control interface
- * @v device		ATA device number
- * @v max_count		Maximum number of blocks per single transfer
- * @ret rc		Return status code
- */
-int ata_open ( struct interface *block, struct interface *ata,
-	       unsigned int device, unsigned int max_count ) {
-	struct ata_device *atadev;
-
-	/* Allocate and initialise structure */
-	atadev = zalloc ( sizeof ( *atadev ) );
-	if ( ! atadev )
-		return -ENOMEM;
-	ref_init ( &atadev->refcnt, NULL );
-	intf_init ( &atadev->block, &atadev_block_desc, &atadev->refcnt );
-	intf_init ( &atadev->ata, &atadev_ata_desc, &atadev->refcnt );
-	atadev->device = device;
-	atadev->max_count = max_count;
-
-	/* Attach to ATA and parent and interfaces, mortalise self,
-	 * and return
-	 */
-	intf_plug_plug ( &atadev->ata, ata );
-	intf_plug_plug ( &atadev->block, block );
-	ref_put ( &atadev->refcnt );
-	return 0;
-}