89 lines
2.4 KiB
C
89 lines
2.4 KiB
C
/*
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* GRUB -- GRand Unified Bootloader
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* Copyright (C) 2008 Free Software Foundation, Inc.
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*
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* GRUB is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* GRUB is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef GRUB_SCSI_H
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#define GRUB_SCSI_H 1
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typedef struct grub_scsi_dev *grub_scsi_dev_t;
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void grub_scsi_dev_register (grub_scsi_dev_t dev);
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void grub_scsi_dev_unregister (grub_scsi_dev_t dev);
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struct grub_scsi;
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struct grub_scsi_dev
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{
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/* The device name. */
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const char *name;
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/* Call HOOK with each device name, until HOOK returns non-zero. */
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int (*iterate) (int (*hook) (const char *name, int luns));
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/* Open the device named NAME, and set up SCSI. */
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grub_err_t (*open) (const char *name, struct grub_scsi *scsi);
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/* Close the scsi device SCSI. */
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void (*close) (struct grub_scsi *scsi);
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/* Read SIZE bytes from the device SCSI into BUF after sending the
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command CMD of size CMDSIZE. */
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grub_err_t (*read) (struct grub_scsi *scsi, grub_size_t cmdsize, char *cmd,
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grub_size_t size, char *buf);
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/* Write SIZE bytes from BUF to the device SCSI after sending the
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command CMD of size CMDSIZE. */
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grub_err_t (*write) (struct grub_scsi *scsi, grub_size_t cmdsize, char *cmd,
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grub_size_t size, char *buf);
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/* The next scsi device. */
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struct grub_scsi_dev *next;
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};
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struct grub_scsi
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{
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/* The scsi device name. */
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char *name;
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/* The underlying scsi device. */
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grub_scsi_dev_t dev;
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/* Type of SCSI device. XXX: Make enum. */
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grub_uint8_t devtype;
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/* Number of LUNs. */
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int luns;
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/* LUN for this `struct grub_scsi'. */
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int lun;
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/* Set to 0 when not removable, 1 when removable. */
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int removable;
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/* Size of the device in blocks. */
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int size;
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/* Size of one block. */
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int blocksize;
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/* Device-specific data. */
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void *data;
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};
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typedef struct grub_scsi *grub_scsi_t;
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#endif /* GRUB_SCSI_H */
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