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43 lines
719 B
C
43 lines
719 B
C
/*
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*
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* (c) 2004 Laurent Vivier <Laurent@lvivier.info>
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*
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*/
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#include "../libmap/libmap.h"
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#include "libemile.h"
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int emile_scsi_get_rdev(char* dev_name, int* driver, int *disk, int *partition)
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{
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int ret;
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struct stat st;
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int major;
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ret = stat(dev_name, &st);
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if (ret == -1)
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return -1;
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if (!S_ISBLK(st.st_mode))
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/* not a block device */
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return -1;
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major = (st.st_rdev >> 8) & 0xFF;
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*driver = major;
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switch(major)
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{
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case MAJOR_SD:
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*disk = (st.st_rdev & 0xFF) >> 4;
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if (partition) *partition = st.st_rdev & 0x0F;
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break;
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case MAJOR_IDE0:
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case MAJOR_IDE1:
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*disk = (st.st_rdev & 0xFF) >> 6;
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if (partition) *partition = st.st_rdev & 0x3F;
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break;
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default:
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return -1;
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}
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return 0;
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}
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