107 static _fat_controller_p pcfsp;  variable
119 	if (pcfsp != NULL)  in bpcfs_mountroot()
122 	pcfsp = bkmem_alloc(sizeof (_fat_controller_t));  in bpcfs_mountroot()
131 	head->fi_memp = (caddr_t)pcfsp->f_sector;  in bpcfs_mountroot()
134 		bkmem_free(pcfsp, sizeof (*pcfsp));  in bpcfs_mountroot()
135 		pcfsp = NULL;  in bpcfs_mountroot()
139 	if (pcfsp->f_bpb.bs_spc == 0) {  in bpcfs_mountroot()
144 	pcfsp->f_rootsec =  in bpcfs_mountroot()
145 	    (pcfsp->f_bpb.bs_num_fats * ltohs(pcfsp->f_bpb.bs_spf)) +  in bpcfs_mountroot()
146 	    ltohs(pcfsp->f_bpb.bs_resv_sectors);  in bpcfs_mountroot()
147 	pcfsp->f_rootlen =  in bpcfs_mountroot()
148 	    ltohs(pcfsp->f_bpb.bs_num_root_entries) *  in bpcfs_mountroot()
150 	pcfsp->f_adjust = 0;  in bpcfs_mountroot()
151 	pcfsp->f_dclust = CLUSTER_ROOTDIR;  in bpcfs_mountroot()
152 	pcfsp->f_filesec = pcfsp->f_rootsec + pcfsp->f_rootlen;  in bpcfs_mountroot()
153 	pcfsp->f_nxtfree = CLUSTER_FIRST;  in bpcfs_mountroot()
156 	ncluster = (((ulong_t)ltohs(pcfsp->f_bpb.bs_siv) ?  in bpcfs_mountroot()
157 	    (ulong_t)ltohs(pcfsp->f_bpb.bs_siv) :  in bpcfs_mountroot()
158 	    (ulong_t)ltohi(pcfsp->f_bpb.bs_siv)) -  in bpcfs_mountroot()
159 	    pcfsp->f_filesec) / (ulong_t)pcfsp->f_bpb.bs_spc;  in bpcfs_mountroot()
160 	pcfsp->f_16bit = ncluster >= CLUSTER_MAX_12;  in bpcfs_mountroot()
161 	pcfsp->f_ncluster = ncluster;  in bpcfs_mountroot()
164 	if (pcfsp->f_16bit)  in bpcfs_mountroot()
171 		bkmem_free(pcfsp, sizeof (*pcfsp));  in bpcfs_mountroot()
172 		pcfsp = NULL;  in bpcfs_mountroot()
177 	    ltohs(pcfsp->f_bpb.bs_resv_sectors) + pcfsp->f_adjust;  in bpcfs_mountroot()
182 		bkmem_free(pcfsp, sizeof (*pcfsp));  in bpcfs_mountroot()
183 		pcfsp = NULL;  in bpcfs_mountroot()
194 	if (pcfsp == NULL)  in bpcfs_unmountroot()
269 	bkmem_free(pcfsp, sizeof (*pcfsp));  in bpcfs_closeall()
271 	pcfsp = NULL;  in bpcfs_closeall()
293 	spc = pcfsp->f_bpb.bs_spc;  in bpcfs_read()
298 	spc = pcfsp->f_bpb.bs_spc;  in bpcfs_read()
306 	while (off >= pcfsp->f_bpb.bs_spc * SECSIZ) {  in bpcfs_read()
308 		off -= pcfsp->f_bpb.bs_spc * SECSIZ;  in bpcfs_read()
320 		for (i = ((off / SECSIZ) % pcfsp->f_bpb.bs_spc); i < spc; i++) {  in bpcfs_read()
407 	s = r ? blk + pcfsp->f_rootsec + pcfsp->f_adjust :  in fat_ctodb()
408 	    ((blk - 2) * pcfsp->f_bpb.bs_spc) +  in fat_ctodb()
409 	    pcfsp->f_filesec + pcfsp->f_adjust;  in fat_ctodb()
421 		return (blk > pcfsp->f_rootlen ? CLUSTER_EOF : blk + 1);  in fat_map()
425 	fat_index = (pcfsp->f_16bit) ? ((ulong_t)blk << 1) :  in fat_map()
428 	sectn = (fat_index / SECSIZ) + ltohs(pcfsp->f_bpb.bs_resv_sectors)  in fat_map()
429 	    + pcfsp->f_adjust;  in fat_map()
443 	if (pcfsp->f_16bit)  in fat_map()
511 	int spc = pcfsp->f_bpb.bs_spc;  in lookup()
552 	dir_blk = pcfsp->f_dclust;  in lookuppn()