misc/cxl/hcalls.c

49 #define _CXL_LOOP_HCALL(call, rc, retbuf, fn, ...)			\
54 		memset(retbuf, 0, sizeof(retbuf));			\
56 			rc = call(fn, retbuf, __VA_ARGS__, token);	\
57 			token = retbuf[0];				\
135 	unsigned long retbuf[PLPAR_HCALL_BUFSIZE];
138 	CXL_H_WAIT_UNTIL_DONE(rc, retbuf, H_ATTACH_CA_PROCESS, unit_address, virt_to_phys(element));
141 	trace_cxl_hcall_attach(unit_address, virt_to_phys(element), retbuf[0], retbuf[1], retbuf[2], rc);
144 		retbuf[0], retbuf[1], retbuf[2]);
149 		*process_token = retbuf[0];
151 			*mmio_addr = retbuf[1];
153 			*mmio_size = retbuf[2];
176 	unsigned long retbuf[PLPAR_HCALL_BUFSIZE];
179 	CXL_H_WAIT_UNTIL_DONE(rc, retbuf, H_DETACH_CA_PROCESS, unit_address, process_token);
208 	unsigned long retbuf[PLPAR_HCALL9_BUFSIZE];
211 	CXL_H9_WAIT_UNTIL_DONE(rc, retbuf, H_CONTROL_CA_FUNCTION, unit_address, op, p1, p2, p3, p4);
213 		unit_address, OP_STR_AFU(op), p1, p2, p3, p4, retbuf[0], rc);
214 	trace_cxl_hcall_control_function(unit_address, OP_STR_AFU(op), p1, p2, p3, p4, retbuf[0], rc);
221 			*out = retbuf[0];
441 	unsigned long retbuf[PLPAR_HCALL_BUFSIZE];
444 	memset(retbuf, 0, sizeof(retbuf));
446 	rc = plpar_hcall(H_CONTROL_CA_FAULTS, retbuf, unit_address,
451 		rc, retbuf[0]);
453 				control_mask, reset_mask, retbuf[0], rc);
481 	unsigned long retbuf[PLPAR_HCALL9_BUFSIZE];
484 	CXL_H9_WAIT_UNTIL_DONE(rc, retbuf, H_CONTROL_CA_FACILITY, unit_address, op, p1, p2, p3, p4);
486 		unit_address, OP_STR_CONTROL_ADAPTER(op), p1, p2, p3, p4, retbuf[0], rc);
487 	trace_cxl_hcall_control_facility(unit_address, OP_STR_CONTROL_ADAPTER(op), p1, p2, p3, p4, retbuf[0], rc);
492 			*out = retbuf[0];
562 	unsigned long retbuf[PLPAR_HCALL_BUFSIZE];
570 	memset(retbuf, 0, sizeof(retbuf));
572 		rc = plpar_hcall(H_DOWNLOAD_CA_FACILITY, retbuf,
575 		token = retbuf[0];
593 		 unit_address, OP_STR_DOWNLOAD_ADAPTER(op), list_address, num, retbuf[0], rc);
594 	trace_cxl_hcall_download_facility(unit_address, OP_STR_DOWNLOAD_ADAPTER(op), list_address, num, retbuf[0], rc);
611 		*out = retbuf[0];