/* Copyright (C) 2003, 2004, 2008, 2010, 2012, 2017 Rocky Bernstein 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 3 of the License, or (at your option) 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, see . */ /* This file contains FreeBSD-specific code and implements low-level control of the CD drive. Culled initially I think from xine's or mplayer's FreeBSD code with lots of modifications. */ #ifdef HAVE_CONFIG_H # include "config.h" #endif #ifdef HAVE_STDBOOL_H # include #endif #include #include "cdio_assert.h" #include "cdio_private.h" /*! For ioctl access /dev/acd0c is preferred over /dev/cd0c. For cam access /dev/cd0c is preferred. DEFAULT_CDIO_DEVICE and DEFAULT_FREEBSD_AM should be consistent. */ #ifndef DEFAULT_CDIO_DEVICE #define DEFAULT_CDIO_DEVICE "/dev/cd0c" #endif #ifndef DEFAULT_FREEBSD_AM #define DEFAULT_FREEBSD_AM _AM_CAM #endif #include #ifdef HAVE_FREEBSD_CDROM #include #include #include #include #include #ifdef HAVE_SYS_CDIO_H # include #endif #ifndef CDIOCREADAUDIO struct ioc_read_audio { u_char address_format; union msf_lba address; int nframes; u_char* buffer; }; #define CDIOCREADAUDIO _IOWR('c',31,struct ioc_read_audio) #endif #include #include #include #include #include /* for __FreeBSD_version */ #if (__FreeBSD_version < 500000) && (__FreeBSD_kernel_version < 500000) #define DEVICE_POSTFIX "c" #else #define DEVICE_POSTFIX "" #endif #define HAVE_FREEBSD_CAM #ifdef HAVE_FREEBSD_CAM #include #include #include #include #define ERRCODE(s) ((((s)[2]&0x0F)<<16)|((s)[12]<<8)|((s)[13])) #define EMEDIUMTYPE EINVAL #define ENOMEDIUM ENODEV #define CREAM_ON_ERRNO(s) do { \ switch ((s)[12]) \ { case 0x04: errno=EAGAIN; break; \ case 0x20: errno=ENODEV; break; \ case 0x21: if ((s)[13]==0) errno=ENOSPC; \ else errno=EINVAL; \ break; \ case 0x30: errno=EMEDIUMTYPE; break; \ case 0x3A: errno=ENOMEDIUM; break; \ } \ } while(0) #endif /*HAVE_FREEBSD_CAM*/ #include #define TOTAL_TRACKS ( p_env->tochdr.ending_track \ - p_env->tochdr.starting_track + 1) #define FIRST_TRACK_NUM (p_env->tochdr.starting_track) typedef enum { _AM_NONE, _AM_IOCTL, _AM_CAM, _AM_MMC_RDWR, _AM_MMC_RDWR_EXCL, } access_mode_t; typedef struct { /* Things common to all drivers like this. This must be first. */ generic_img_private_t gen; #ifdef HAVE_FREEBSD_CAM char *device; struct cam_device *cam; union ccb ccb; #endif access_mode_t access_mode; bool b_ioctl_init; bool b_cam_init; /* Track information */ struct ioc_toc_header tochdr; /* Entry info for each track. Add 1 for leadout. */ struct ioc_read_toc_single_entry tocent[CDIO_CD_MAX_TRACKS+1]; } _img_private_t; bool cdio_is_cdrom_freebsd_ioctl(char *drive, char *mnttype); track_format_t get_track_format_freebsd_ioctl(const _img_private_t *env, track_t i_track); bool get_track_green_freebsd_ioctl(const _img_private_t *env, track_t i_track); driver_return_code_t eject_media_freebsd_ioctl (_img_private_t *p_env); driver_return_code_t eject_media_freebsd_cam (_img_private_t *p_env); void get_drive_cap_freebsd_cam (const _img_private_t *p_env, cdio_drive_read_cap_t *p_read_cap, cdio_drive_write_cap_t *p_write_cap, cdio_drive_misc_cap_t *p_misc_cap); int get_media_changed_freebsd (const void *p_user_data); char *get_mcn_freebsd_ioctl (const _img_private_t *p_env); void free_freebsd_cam (void *obj); /*! Using the ioctl method, r nblocks of audio sectors from cd device into data starting from lsn. Returns 0 if no error. */ int read_audio_sectors_freebsd_ioctl (_img_private_t *env, void *data, lsn_t lsn, unsigned int nblocks); /*! Using the CAM method, reads nblocks of mode2 sectors from cd device using into data starting from lsn. Returns 0 if no error. */ int read_mode2_sector_freebsd_cam (_img_private_t *env, void *data, lsn_t lsn, bool b_form2); /*! Using the ioctl method, reads nblocks of mode2 sectors from cd device using into data starting from lsn. Returns 0 if no error. */ int read_mode2_sector_freebsd_ioctl (_img_private_t *env, void *data, lsn_t lsn, bool b_form2); /*! Using the CAM method, reads nblocks of mode2 form2 sectors from cd device using into data starting from lsn. Returns 0 if no error. Note: if you want form1 sectors, the caller has to pick out the appropriate piece. */ int read_mode2_sectors_freebsd_cam (_img_private_t *env, void *buf, lsn_t lsn, unsigned int nblocks); bool read_toc_freebsd_ioctl (_img_private_t *env); /*! Run a SCSI MMC command. p_user_data internal CD structure. i_timeout time in milliseconds we will wait for the command to complete. If this value is -1, use the default time-out value. i_cdb Size of p_cdb p_cdb CDB bytes. e_direction direction the transfer is to go. i_buf Size of buffer p_buf Buffer for data, both sending and receiving Return 0 if no error. */ int run_mmc_cmd_freebsd_cam( void *p_user_data, unsigned int i_timeout_ms, unsigned int i_cdb, const mmc_cdb_t *p_cdb, cdio_mmc_direction_t e_direction, unsigned int i_buf, /*in/out*/ void *p_buf ); /*! Return the size of the CD in logical block address (LBA) units. */ lsn_t get_disc_last_lsn_freebsd_ioctl (_img_private_t *_obj); bool init_freebsd_cam (_img_private_t *env); void free_freebsd_cam (void *user_data); /** Try to obtain SCSI address tuple of path. @return 1 is success , 0 is failure */ int obtain_scsi_adr_freebsd_cam(char *path, int *bus_no, int *host_no, int *channel_no, int *target_no, int *lun_no); #endif /*HAVE_FREEBSD_CDROM*/