21f3187bb8
* Remove leading underscores in header preprocessor names * Regularize names to include directory parts in the file name * Untabify files * Update copyright and remove unmaintained cvs $Id$ line The justification for removing leading underscores comes from a CERTS Secure Coding recommendation: https://www.securecoding.cert.org/confluence/display/cplusplus/DCL32-CPP.+Do+not+declare+or+define+a+reserved+identifier See also Savannah bug #35745 https://savannah.gnu.org/bugs/?35745
64 lines
2.8 KiB
C
64 lines
2.8 KiB
C
/*
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Copyright (C) 2010, 2012 Rocky Bernstein <rocky@gnu.org>
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This program 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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This program 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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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef CDIO_DRIVER_MMC_CMD_HELPER_H_
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#define CDIO_DRIVER_MMC_CMD_HELPER_H_
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/* Boilerplate initialization code to setup running MMC command. We
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assume variables 'p_cdio', 'p_buf', and 'i_size' are previously
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defined. It does the following:
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1. Defines a cdb variable,
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2 Checks to see if we have a cdio object and can run an MMC command
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3. zeros the buffer (p_buf) using i_size.
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4. Sets up the command field of cdb to passed in value mmc_cmd.
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*/
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#define MMC_CMD_SETUP(mmc_cmd) \
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mmc_cdb_t cdb = {{0, }}; \
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\
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if ( ! p_cdio ) return DRIVER_OP_UNINIT; \
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if ( ! p_cdio->op.run_mmc_cmd ) return DRIVER_OP_UNSUPPORTED; \
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\
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CDIO_MMC_SET_COMMAND(cdb.field, mmc_cmd)
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/* Boilerplate initialization code to setup running MMC read command
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needs to set the cdb 16-bit length field. See above
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comment for MMC_CMD_SETUP.
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*/
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#define MMC_CMD_SETUP_READ16(mmc_cmd) \
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MMC_CMD_SETUP(mmc_cmd); \
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\
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/* Setup to read header, to get length of data */ \
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CDIO_MMC_SET_READ_LENGTH16(cdb.field, i_size)
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/* Boilerplate code to run a MMC command.
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We assume variables 'p_cdio', 'mmc_timeout_ms', 'cdb', 'i_size' and
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'p_buf' are defined previously.
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'direction' is the SCSI direction (read, write, none) of the
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command.
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*/
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#define MMC_RUN_CMD(direction, i_timeout) \
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p_cdio->op.run_mmc_cmd(p_cdio->env, \
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i_timeout, \
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mmc_get_cmd_len(cdb.field[0]), \
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&cdb, \
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direction, i_size, p_buf)
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#endif /* CDIO_DRIVER_MMC_CMD_HELPER_H_ */
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