52 gptupdate(const char *which, struct dsk *dskp, struct gpt_hdr *hdr,  in gptupdate()  argument
66 	entries_per_sec = DEV_BSIZE / hdr->hdr_entsz;  in gptupdate()
70 	slba += hdr->hdr_lba_table;  in gptupdate()
76 	hdr->hdr_crc_table = crc32(0, Z_NULL, 0);  in gptupdate()
77 	hdr->hdr_crc_table = crc32(hdr->hdr_crc_table, (const Bytef *)table,  in gptupdate()
78 	    hdr->hdr_entries * hdr->hdr_entsz);  in gptupdate()
79 	hdr->hdr_crc_self = crc32(0, Z_NULL, 0);  in gptupdate()
80 	hdr->hdr_crc_self = crc32(hdr->hdr_crc_self, (const Bytef *)hdr,  in gptupdate()
81 	    hdr->hdr_size);  in gptupdate()
83 	bcopy(hdr, secbuf, hdr->hdr_size);  in gptupdate()
84 	if (drvwrite(dskp, secbuf, hdr->hdr_lba_self, 1)) {  in gptupdate()
183 gptread_hdr(const char *which, struct dsk *dskp, struct gpt_hdr *hdr,  in gptread_hdr()  argument
192 	bcopy(secbuf, hdr, sizeof(*hdr));  in gptread_hdr()
193 	if (bcmp(hdr->hdr_sig, GPT_HDR_SIG, sizeof(hdr->hdr_sig)) != 0 ||  in gptread_hdr()
194 	    hdr->hdr_lba_self != hdrlba || hdr->hdr_revision < 0x00010000 ||  in gptread_hdr()
195 	    hdr->hdr_entsz < sizeof(struct gpt_ent) ||  in gptread_hdr()
196 	    hdr->hdr_entries > MAXTBLENTS || DEV_BSIZE % hdr->hdr_entsz != 0) {  in gptread_hdr()
200 	crc = hdr->hdr_crc_self;  in gptread_hdr()
201 	hdr->hdr_crc_self = crc32(0, Z_NULL, 0);  in gptread_hdr()
202 	if (crc32(hdr->hdr_crc_self, (const Bytef *)hdr, hdr->hdr_size) !=  in gptread_hdr()
208 	hdr->hdr_crc_self = crc;  in gptread_hdr()
232 gptbootconv(const char *which, struct dsk *dskp, struct gpt_hdr *hdr,  in gptbootconv()  argument
241 	entries_per_sec = DEV_BSIZE / hdr->hdr_entsz;  in gptbootconv()
242 	for (nent = 0, slba = hdr->hdr_lba_table;  in gptbootconv()
243 	     slba < hdr->hdr_lba_table + hdr->hdr_entries / entries_per_sec;  in gptbootconv()
269 	hdr->hdr_crc_table = crc32(0, Z_NULL, 0);  in gptbootconv()
270 	hdr->hdr_crc_table = crc32(hdr->hdr_crc_table, (const Bytef *)table,  in gptbootconv()
271 	    hdr->hdr_entries * hdr->hdr_entsz);  in gptbootconv()
272 	hdr->hdr_crc_self = crc32(0, Z_NULL, 0);  in gptbootconv()
273 	hdr->hdr_crc_self = crc32(hdr->hdr_crc_self, (const Bytef *)hdr,  in gptbootconv()
274 	    hdr->hdr_size);  in gptbootconv()
276 	bcopy(hdr, secbuf, hdr->hdr_size);  in gptbootconv()
277 	if (drvwrite(dskp, secbuf, hdr->hdr_lba_self, 1))  in gptbootconv()
282 gptread_table(const char *which, struct dsk *dskp, struct gpt_hdr *hdr,  in gptread_table()  argument
290 	if (hdr->hdr_entries == 0)  in gptread_table()
293 	entries_per_sec = DEV_BSIZE / hdr->hdr_entsz;  in gptread_table()
294 	slba = hdr->hdr_lba_table;  in gptread_table()
305 			if (++nent >= hdr->hdr_entries)  in gptread_table()
308 		if (nent >= hdr->hdr_entries)  in gptread_table()
312 	if (crc32(0, (const Bytef *)table, nent * hdr->hdr_entsz) !=  in gptread_table()
313 	    hdr->hdr_crc_table) {  in gptread_table()