s390/pci/pci_insn.c

24 	u8 cc;
38 static inline void zpci_err_insn_req(int lvl, u8 insn, u8 cc, u8 status,
42 		.insn = insn, .cc = cc, .status = status,
48 static inline void zpci_err_insn_addr(int lvl, u8 insn, u8 cc, u8 status,
52 		.insn = insn, .cc = cc, .status = status,
61 	int cc;
65 		CC_IPM(cc)
66 		: CC_OUT(cc, cc), [req] "+d" (req), [fib] "+Q" (*fib)
70 	return CC_TRANSFORM(cc);
76 	u8 cc;
79 		cc = __mpcifc(req, fib, status);
80 		if (cc == 2) {
83 				zpci_err_insn_req(1, 'M', cc, *status, req, 0);
87 	} while (cc == 2);
89 	if (cc)
90 		zpci_err_insn_req(0, 'M', cc, *status, req, 0);
92 		zpci_err_insn_req(1, 'M', cc, *status, req, 0);
94 	return cc;
102 	int cc;
106 		CC_IPM(cc)
107 		: CC_OUT(cc, cc), [fn] "+d" (fn)
111 	return CC_TRANSFORM(cc);
117 	u8 cc, status;
120 		cc = __rpcit(fn, addr, range, &status);
121 		if (cc == 2) {
124 				zpci_err_insn_addr(1, 'R', cc, status, addr, range);
128 	} while (cc == 2);
130 	if (cc)
131 		zpci_err_insn_addr(0, 'R', cc, status, addr, range);
133 		zpci_err_insn_addr(1, 'R', cc, status, addr, range);
135 	if (cc == 1 && (status == 4 || status == 16))
138 	return (cc) ? -EIO : 0;
159 	int cc, exception;
167 		CC_IPM(cc)
169 		: CC_OUT(cc, cc), [data] "=d" (__data),
175 	return exception ? -ENXIO : CC_TRANSFORM(cc);
181 	int cc;
183 	cc = ____pcilg(&__data, req, offset, status);
184 	if (!cc)
187 	return cc;
194 	int cc;
197 		cc = __pcilg(data, req, offset, &status);
198 		if (cc == 2) {
201 				zpci_err_insn_req(1, 'l', cc, status, req, offset);
205 	} while (cc == 2);
207 	if (cc)
208 		zpci_err_insn_req(0, 'l', cc, status, req, offset);
210 		zpci_err_insn_req(1, 'l', cc, status, req, offset);
212 	return (cc > 0) ? -EIO : cc;
228 	int cc, exception;
236 		CC_IPM(cc)
238 		: CC_OUT(cc, cc), [data] "=d" (__data),
244 	return exception ? -ENXIO : CC_TRANSFORM(cc);
250 	int cc;
255 	cc = __pcilg_mio(data, (__force u64) addr, len, &status);
256 	if (cc)
257 		zpci_err_insn_addr(0, 'L', cc, status, (__force u64) addr, len);
259 	return (cc > 0) ? -EIO : cc;
267 	int cc, exception;
274 		CC_IPM(cc)
276 		: CC_OUT(cc, cc), [req_off] "+d" (req_off.pair), [exc] "+d" (exception)
280 	return exception ? -ENXIO : CC_TRANSFORM(cc);
287 	int cc;
290 		cc = __pcistg(data, req, offset, &status);
291 		if (cc == 2) {
294 				zpci_err_insn_req(1, 's', cc, status, req, offset);
298 	} while (cc == 2);
300 	if (cc)
301 		zpci_err_insn_req(0, 's', cc, status, req, offset);
303 		zpci_err_insn_req(1, 's', cc, status, req, offset);
305 	return (cc > 0) ? -EIO : cc;
321 	int cc, exception;
328 		CC_IPM(cc)
330 		: CC_OUT(cc, cc), [ioaddr_len] "+d" (ioaddr_len.pair), [exc] "+d" (exception)
334 	return exception ? -ENXIO : CC_TRANSFORM(cc);
340 	int cc;
345 	cc = __pcistg_mio(data, (__force u64) addr, len, &status);
346 	if (cc)
347 		zpci_err_insn_addr(0, 'S', cc, status, (__force u64) addr, len);
349 	return (cc > 0) ? -EIO : cc;
356 	int cc, exception;
363 		CC_IPM(cc)
365 		: CC_OUT(cc, cc), [req] "+d" (req), [exc] "+d" (exception)
369 	return exception ? -ENXIO : CC_TRANSFORM(cc);
376 	int cc;
379 		cc = __pcistb(data, req, offset, &status);
380 		if (cc == 2) {
383 				zpci_err_insn_req(0, 'b', cc, status, req, offset);
387 	} while (cc == 2);
389 	if (cc)
390 		zpci_err_insn_req(0, 'b', cc, status, req, offset);
392 		zpci_err_insn_req(1, 'b', cc, status, req, offset);
394 	return (cc > 0) ? -EIO : cc;
410 	int cc, exception;
417 		CC_IPM(cc)
419 		: CC_OUT(cc, cc), [len] "+d" (len), [exc] "+d" (exception)
423 	return exception ? -ENXIO : CC_TRANSFORM(cc);
430 	int cc;
435 	cc = __pcistb_mio(src, (__force u64) dst, len, &status);
436 	if (cc)
437 		zpci_err_insn_addr(0, 'B', cc, status, (__force u64) dst, len);
439 	return (cc > 0) ? -EIO : cc;