dummy_sanboot.c File Reference

Dummy SAN device. More...

#include <string.h>
#include <errno.h>
#include <ipxe/sanboot.h>

Go to the source code of this file.

Functions
	FILE_LICENCE (GPL2_OR_LATER_OR_UBDL)
static int	dummy_san_hook (unsigned int drive, struct uri **uris, unsigned int count, unsigned int flags)
	Hook dummy SAN device. More...
static void	dummy_san_unhook (unsigned int drive)
	Unhook dummy SAN device. More...
static int	dummy_san_boot (unsigned int drive __unused, struct san_boot_config *config __unused)
	Boot from dummy SAN device. More...
static int	dummy_install (struct acpi_header *acpi)
	Install ACPI table. More...
static int	dummy_san_describe (void)
	Describe dummy SAN device. More...
	PROVIDE_SANBOOT (dummy, san_hook, dummy_san_hook)
	PROVIDE_SANBOOT (dummy, san_unhook, dummy_san_unhook)
	PROVIDE_SANBOOT (dummy, san_boot, dummy_san_boot)
	PROVIDE_SANBOOT (dummy, san_describe, dummy_san_describe)

Detailed Description

Dummy SAN device.

Definition in file dummy_sanboot.c.

Function Documentation

FILE_LICENCE()

FILE_LICENCE

(

GPL2_OR_LATER_OR_UBDL

)

dummy_san_hook()

static int dummy_san_hook ( unsigned int  drive, struct uri **  uris, unsigned int  count, unsigned int  flags  )

static

Hook dummy SAN device.

Parameters

drive	Drive number
uris	List of URIs
count	Number of URIs
flags	Flags

Return values

drive

Drive number, or negative error

Definition at line 45 of file dummy_sanboot.c.

                                                                     {
        struct san_device *sandev;
        int rc;

        /* Allocate SAN device */
        sandev = alloc_sandev ( uris, count, 0 );
        if ( ! sandev ) {
                rc = -ENOMEM;
                goto err_alloc;
        }

        /* Register SAN device */
        if ( ( rc = register_sandev ( sandev, drive, flags ) ) != 0 ) {
                DBGC ( sandev->drive, "SAN %#02x could not register: %s\n",
                       sandev->drive, strerror ( rc ) );
                goto err_register;
        }

        return drive;

        unregister_sandev ( sandev );
 err_register:
        sandev_put ( sandev );
 err_alloc:
        return rc;
}

References alloc_sandev(), count, DBGC, drive, san_device::drive, ENOMEM, flags, rc, register_sandev(), sandev_put(), strerror(), and unregister_sandev().

dummy_san_unhook()

static void dummy_san_unhook ( unsigned int  drive )

static

Unhook dummy SAN device.

Parameters

drive

Drive number

Definition at line 78 of file dummy_sanboot.c.

                                                    {
        struct san_device *sandev;

        /* Find drive */
        sandev = sandev_find ( drive );
        if ( ! sandev ) {
                DBGC ( drive, "SAN %#02x does not exist\n", drive );
                return;
        }

        /* Unregister SAN device */
        unregister_sandev ( sandev );

        /* Drop reference to drive */
        sandev_put ( sandev );
}

References DBGC, drive, sandev_find(), sandev_put(), and unregister_sandev().

dummy_san_boot()

static int dummy_san_boot ( unsigned int drive  __unused, struct san_boot_config *config  __unused  )

static

Boot from dummy SAN device.

Parameters

drive	Drive number
config	Boot configuration parameters

Return values

rc	Return status code

Definition at line 102 of file dummy_sanboot.c.

                                                                      {

        return -EOPNOTSUPP;
}

References EOPNOTSUPP.

dummy_install()

static int dummy_install ( struct acpi_header *  acpi )

static

Install ACPI table.

Parameters

acpi	ACPI description header

Return values

rc	Return status code

Definition at line 114 of file dummy_sanboot.c.

                                                      {

        DBGC ( acpi, "ACPI table %s:\n", acpi_name ( acpi->signature ) );
        DBGC_HDA ( acpi, 0, acpi, le32_to_cpu ( acpi->length ) );
        return 0;
}

References acpi, acpi_name(), DBGC, DBGC_HDA, and le32_to_cpu.

Referenced by dummy_san_describe().

dummy_san_describe()

static int dummy_san_describe ( void  )

static

Describe dummy SAN device.

Return values

rc	Return status code

Definition at line 126 of file dummy_sanboot.c.

                                       {

        return acpi_install ( dummy_install );
}

References acpi_install(), and dummy_install().

PROVIDE_SANBOOT() [1/4]

PROVIDE_SANBOOT	(	dummy	,
		san_hook	,
		dummy_san_hook
	)

PROVIDE_SANBOOT() [2/4]

PROVIDE_SANBOOT	(	dummy	,
		san_unhook	,
		dummy_san_unhook
	)

PROVIDE_SANBOOT() [3/4]

PROVIDE_SANBOOT	(	dummy	,
		san_boot	,
		dummy_san_boot
	)

PROVIDE_SANBOOT() [4/4]

PROVIDE_SANBOOT	(	dummy	,
		san_describe	,
		dummy_san_describe
	)