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2024-10-16 50a212ec906f7524620675f0c57357691c26c81f 
 kernel/arch/powerpc/kvm/book3s_paired_singles.c
....@@ -1,16 +1,5 @@
1
+// SPDX-License-Identifier: GPL-2.0-only
12 /*
2
- * This program is free software; you can redistribute it and/or modify
3
- * it under the terms of the GNU General Public License, version 2, as
4
- * published by the Free Software Foundation.
5
- *
6
- * This program is distributed in the hope that it will be useful,
7
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
8
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
9
- * GNU General Public License for more details.
10
- *
11
- * You should have received a copy of the GNU General Public License
12
- * along with this program; if not, write to the Free Software
13
- * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
143  *
154  * Copyright Novell Inc 2010
165  *
....@@ -180,7 +169,7 @@
180169 	kvmppc_book3s_queue_irqprio(vcpu, BOOK3S_INTERRUPT_DATA_STORAGE);
181170 }
182171 
183
-static int kvmppc_emulate_fpr_load(struct kvm_run *run, struct kvm_vcpu *vcpu,
172
+static int kvmppc_emulate_fpr_load(struct kvm_vcpu *vcpu,
184173 				   int rs, ulong addr, int ls_type)
185174 {
186175 	int emulated = EMULATE_FAIL;
....@@ -199,7 +188,7 @@
199188 		kvmppc_inject_pf(vcpu, addr, false);
200189 		goto done_load;
201190 	} else if (r == EMULATE_DO_MMIO) {
202
-		emulated = kvmppc_handle_load(run, vcpu, KVM_MMIO_REG_FPR | rs,
191
+		emulated = kvmppc_handle_load(vcpu, KVM_MMIO_REG_FPR | rs,
203192 					      len, 1);
204193 		goto done_load;
205194 	}
....@@ -224,7 +213,7 @@
224213 	return emulated;
225214 }
226215 
227
-static int kvmppc_emulate_fpr_store(struct kvm_run *run, struct kvm_vcpu *vcpu,
216
+static int kvmppc_emulate_fpr_store(struct kvm_vcpu *vcpu,
228217 				    int rs, ulong addr, int ls_type)
229218 {
230219 	int emulated = EMULATE_FAIL;
....@@ -259,7 +248,7 @@
259248 	if (r < 0) {
260249 		kvmppc_inject_pf(vcpu, addr, true);
261250 	} else if (r == EMULATE_DO_MMIO) {
262
-		emulated = kvmppc_handle_store(run, vcpu, val, len, 1);
251
+		emulated = kvmppc_handle_store(vcpu, val, len, 1);
263252 	} else {
264253 		emulated = EMULATE_DONE;
265254 	}
....@@ -270,7 +259,7 @@
270259 	return emulated;
271260 }
272261 
273
-static int kvmppc_emulate_psq_load(struct kvm_run *run, struct kvm_vcpu *vcpu,
262
+static int kvmppc_emulate_psq_load(struct kvm_vcpu *vcpu,
274263 				   int rs, ulong addr, bool w, int i)
275264 {
276265 	int emulated = EMULATE_FAIL;
....@@ -290,12 +279,12 @@
290279 		kvmppc_inject_pf(vcpu, addr, false);
291280 		goto done_load;
292281 	} else if ((r == EMULATE_DO_MMIO) && w) {
293
-		emulated = kvmppc_handle_load(run, vcpu, KVM_MMIO_REG_FPR | rs,
282
+		emulated = kvmppc_handle_load(vcpu, KVM_MMIO_REG_FPR | rs,
294283 					      4, 1);
295284 		vcpu->arch.qpr[rs] = tmp[1];
296285 		goto done_load;
297286 	} else if (r == EMULATE_DO_MMIO) {
298
-		emulated = kvmppc_handle_load(run, vcpu, KVM_MMIO_REG_FQPR | rs,
287
+		emulated = kvmppc_handle_load(vcpu, KVM_MMIO_REG_FQPR | rs,
299288 					      8, 1);
300289 		goto done_load;
301290 	}
....@@ -313,7 +302,7 @@
313302 	return emulated;
314303 }
315304 
316
-static int kvmppc_emulate_psq_store(struct kvm_run *run, struct kvm_vcpu *vcpu,
305
+static int kvmppc_emulate_psq_store(struct kvm_vcpu *vcpu,
317306 				    int rs, ulong addr, bool w, int i)
318307 {
319308 	int emulated = EMULATE_FAIL;
....@@ -329,10 +318,10 @@
329318 	if (r < 0) {
330319 		kvmppc_inject_pf(vcpu, addr, true);
331320 	} else if ((r == EMULATE_DO_MMIO) && w) {
332
-		emulated = kvmppc_handle_store(run, vcpu, tmp[0], 4, 1);
321
+		emulated = kvmppc_handle_store(vcpu, tmp[0], 4, 1);
333322 	} else if (r == EMULATE_DO_MMIO) {
334323 		u64 val = ((u64)tmp[0] << 32) | tmp[1];
335
-		emulated = kvmppc_handle_store(run, vcpu, val, 8, 1);
324
+		emulated = kvmppc_handle_store(vcpu, val, 8, 1);
336325 	} else {
337326 		emulated = EMULATE_DONE;
338327 	}
....@@ -629,7 +618,7 @@
629618 	return EMULATE_DONE;
630619 }
631620 
632
-int kvmppc_emulate_paired_single(struct kvm_run *run, struct kvm_vcpu *vcpu)
621
+int kvmppc_emulate_paired_single(struct kvm_vcpu *vcpu)
633622 {
634623 	u32 inst;
635624 	enum emulation_result emulated = EMULATE_DONE;
....@@ -691,7 +680,7 @@
691680 		int i = inst_get_field(inst, 17, 19);
692681 
693682 		addr += get_d_signext(inst);
694
-		emulated = kvmppc_emulate_psq_load(run, vcpu, ax_rd, addr, w, i);
683
+		emulated = kvmppc_emulate_psq_load(vcpu, ax_rd, addr, w, i);
695684 		break;
696685 	}
697686 	case OP_PSQ_LU:
....@@ -701,7 +690,7 @@
701690 		int i = inst_get_field(inst, 17, 19);
702691 
703692 		addr += get_d_signext(inst);
704
-		emulated = kvmppc_emulate_psq_load(run, vcpu, ax_rd, addr, w, i);
693
+		emulated = kvmppc_emulate_psq_load(vcpu, ax_rd, addr, w, i);
705694 
706695 		if (emulated == EMULATE_DONE)
707696 			kvmppc_set_gpr(vcpu, ax_ra, addr);
....@@ -714,7 +703,7 @@
714703 		int i = inst_get_field(inst, 17, 19);
715704 
716705 		addr += get_d_signext(inst);
717
-		emulated = kvmppc_emulate_psq_store(run, vcpu, ax_rd, addr, w, i);
706
+		emulated = kvmppc_emulate_psq_store(vcpu, ax_rd, addr, w, i);
718707 		break;
719708 	}
720709 	case OP_PSQ_STU:
....@@ -724,7 +713,7 @@
724713 		int i = inst_get_field(inst, 17, 19);
725714 
726715 		addr += get_d_signext(inst);
727
-		emulated = kvmppc_emulate_psq_store(run, vcpu, ax_rd, addr, w, i);
716
+		emulated = kvmppc_emulate_psq_store(vcpu, ax_rd, addr, w, i);
728717 
729718 		if (emulated == EMULATE_DONE)
730719 			kvmppc_set_gpr(vcpu, ax_ra, addr);
....@@ -744,7 +733,7 @@
744733 			int i = inst_get_field(inst, 22, 24);
745734 
746735 			addr += kvmppc_get_gpr(vcpu, ax_rb);
747
-			emulated = kvmppc_emulate_psq_load(run, vcpu, ax_rd, addr, w, i);
736
+			emulated = kvmppc_emulate_psq_load(vcpu, ax_rd, addr, w, i);
748737 			break;
749738 		}
750739 		case OP_4X_PS_CMPO0:
....@@ -758,7 +747,7 @@
758747 			int i = inst_get_field(inst, 22, 24);
759748 
760749 			addr += kvmppc_get_gpr(vcpu, ax_rb);
761
-			emulated = kvmppc_emulate_psq_load(run, vcpu, ax_rd, addr, w, i);
750
+			emulated = kvmppc_emulate_psq_load(vcpu, ax_rd, addr, w, i);
762751 
763752 			if (emulated == EMULATE_DONE)
764753 				kvmppc_set_gpr(vcpu, ax_ra, addr);
....@@ -835,7 +824,7 @@
835824 			int i = inst_get_field(inst, 22, 24);
836825 
837826 			addr += kvmppc_get_gpr(vcpu, ax_rb);
838
-			emulated = kvmppc_emulate_psq_store(run, vcpu, ax_rd, addr, w, i);
827
+			emulated = kvmppc_emulate_psq_store(vcpu, ax_rd, addr, w, i);
839828 			break;
840829 		}
841830 		case OP_4XW_PSQ_STUX:
....@@ -845,7 +834,7 @@
845834 			int i = inst_get_field(inst, 22, 24);
846835 
847836 			addr += kvmppc_get_gpr(vcpu, ax_rb);
848
-			emulated = kvmppc_emulate_psq_store(run, vcpu, ax_rd, addr, w, i);
837
+			emulated = kvmppc_emulate_psq_store(vcpu, ax_rd, addr, w, i);
849838 
850839 			if (emulated == EMULATE_DONE)
851840 				kvmppc_set_gpr(vcpu, ax_ra, addr);
....@@ -933,7 +922,7 @@
933922 	{
934923 		ulong addr = (ax_ra ? kvmppc_get_gpr(vcpu, ax_ra) : 0) + full_d;
935924 
936
-		emulated = kvmppc_emulate_fpr_load(run, vcpu, ax_rd, addr,
925
+		emulated = kvmppc_emulate_fpr_load(vcpu, ax_rd, addr,
937926 						   FPU_LS_SINGLE);
938927 		break;
939928 	}
....@@ -941,7 +930,7 @@
941930 	{
942931 		ulong addr = kvmppc_get_gpr(vcpu, ax_ra) + full_d;
943932 
944
-		emulated = kvmppc_emulate_fpr_load(run, vcpu, ax_rd, addr,
933
+		emulated = kvmppc_emulate_fpr_load(vcpu, ax_rd, addr,
945934 						   FPU_LS_SINGLE);
946935 
947936 		if (emulated == EMULATE_DONE)
....@@ -952,7 +941,7 @@
952941 	{
953942 		ulong addr = (ax_ra ? kvmppc_get_gpr(vcpu, ax_ra) : 0) + full_d;
954943 
955
-		emulated = kvmppc_emulate_fpr_load(run, vcpu, ax_rd, addr,
944
+		emulated = kvmppc_emulate_fpr_load(vcpu, ax_rd, addr,
956945 						   FPU_LS_DOUBLE);
957946 		break;
958947 	}
....@@ -960,7 +949,7 @@
960949 	{
961950 		ulong addr = kvmppc_get_gpr(vcpu, ax_ra) + full_d;
962951 
963
-		emulated = kvmppc_emulate_fpr_load(run, vcpu, ax_rd, addr,
952
+		emulated = kvmppc_emulate_fpr_load(vcpu, ax_rd, addr,
964953 						   FPU_LS_DOUBLE);
965954 
966955 		if (emulated == EMULATE_DONE)
....@@ -971,7 +960,7 @@
971960 	{
972961 		ulong addr = (ax_ra ? kvmppc_get_gpr(vcpu, ax_ra) : 0) + full_d;
973962 
974
-		emulated = kvmppc_emulate_fpr_store(run, vcpu, ax_rd, addr,
963
+		emulated = kvmppc_emulate_fpr_store(vcpu, ax_rd, addr,
975964 						    FPU_LS_SINGLE);
976965 		break;
977966 	}
....@@ -979,7 +968,7 @@
979968 	{
980969 		ulong addr = kvmppc_get_gpr(vcpu, ax_ra) + full_d;
981970 
982
-		emulated = kvmppc_emulate_fpr_store(run, vcpu, ax_rd, addr,
971
+		emulated = kvmppc_emulate_fpr_store(vcpu, ax_rd, addr,
983972 						    FPU_LS_SINGLE);
984973 
985974 		if (emulated == EMULATE_DONE)
....@@ -990,7 +979,7 @@
990979 	{
991980 		ulong addr = (ax_ra ? kvmppc_get_gpr(vcpu, ax_ra) : 0) + full_d;
992981 
993
-		emulated = kvmppc_emulate_fpr_store(run, vcpu, ax_rd, addr,
982
+		emulated = kvmppc_emulate_fpr_store(vcpu, ax_rd, addr,
994983 						    FPU_LS_DOUBLE);
995984 		break;
996985 	}
....@@ -998,7 +987,7 @@
998987 	{
999988 		ulong addr = kvmppc_get_gpr(vcpu, ax_ra) + full_d;
1000989 
1001
-		emulated = kvmppc_emulate_fpr_store(run, vcpu, ax_rd, addr,
990
+		emulated = kvmppc_emulate_fpr_store(vcpu, ax_rd, addr,
1002991 						    FPU_LS_DOUBLE);
1003992 
1004993 		if (emulated == EMULATE_DONE)
....@@ -1012,7 +1001,7 @@
10121001 			ulong addr = ax_ra ? kvmppc_get_gpr(vcpu, ax_ra) : 0;
10131002 
10141003 			addr += kvmppc_get_gpr(vcpu, ax_rb);
1015
-			emulated = kvmppc_emulate_fpr_load(run, vcpu, ax_rd,
1004
+			emulated = kvmppc_emulate_fpr_load(vcpu, ax_rd,
10161005 							   addr, FPU_LS_SINGLE);
10171006 			break;
10181007 		}
....@@ -1021,7 +1010,7 @@
10211010 			ulong addr = kvmppc_get_gpr(vcpu, ax_ra) +
10221011 				     kvmppc_get_gpr(vcpu, ax_rb);
10231012 
1024
-			emulated = kvmppc_emulate_fpr_load(run, vcpu, ax_rd,
1013
+			emulated = kvmppc_emulate_fpr_load(vcpu, ax_rd,
10251014 							   addr, FPU_LS_SINGLE);
10261015 
10271016 			if (emulated == EMULATE_DONE)
....@@ -1033,7 +1022,7 @@
10331022 			ulong addr = (ax_ra ? kvmppc_get_gpr(vcpu, ax_ra) : 0) +
10341023 				     kvmppc_get_gpr(vcpu, ax_rb);
10351024 
1036
-			emulated = kvmppc_emulate_fpr_load(run, vcpu, ax_rd,
1025
+			emulated = kvmppc_emulate_fpr_load(vcpu, ax_rd,
10371026 							   addr, FPU_LS_DOUBLE);
10381027 			break;
10391028 		}
....@@ -1042,7 +1031,7 @@
10421031 			ulong addr = kvmppc_get_gpr(vcpu, ax_ra) +
10431032 				     kvmppc_get_gpr(vcpu, ax_rb);
10441033 
1045
-			emulated = kvmppc_emulate_fpr_load(run, vcpu, ax_rd,
1034
+			emulated = kvmppc_emulate_fpr_load(vcpu, ax_rd,
10461035 							   addr, FPU_LS_DOUBLE);
10471036 
10481037 			if (emulated == EMULATE_DONE)
....@@ -1054,7 +1043,7 @@
10541043 			ulong addr = (ax_ra ? kvmppc_get_gpr(vcpu, ax_ra) : 0) +
10551044 				     kvmppc_get_gpr(vcpu, ax_rb);
10561045 
1057
-			emulated = kvmppc_emulate_fpr_store(run, vcpu, ax_rd,
1046
+			emulated = kvmppc_emulate_fpr_store(vcpu, ax_rd,
10581047 							    addr, FPU_LS_SINGLE);
10591048 			break;
10601049 		}
....@@ -1063,7 +1052,7 @@
10631052 			ulong addr = kvmppc_get_gpr(vcpu, ax_ra) +
10641053 				     kvmppc_get_gpr(vcpu, ax_rb);
10651054 
1066
-			emulated = kvmppc_emulate_fpr_store(run, vcpu, ax_rd,
1055
+			emulated = kvmppc_emulate_fpr_store(vcpu, ax_rd,
10671056 							    addr, FPU_LS_SINGLE);
10681057 
10691058 			if (emulated == EMULATE_DONE)
....@@ -1075,7 +1064,7 @@
10751064 			ulong addr = (ax_ra ? kvmppc_get_gpr(vcpu, ax_ra) : 0) +
10761065 				     kvmppc_get_gpr(vcpu, ax_rb);
10771066 
1078
-			emulated = kvmppc_emulate_fpr_store(run, vcpu, ax_rd,
1067
+			emulated = kvmppc_emulate_fpr_store(vcpu, ax_rd,
10791068 							    addr, FPU_LS_DOUBLE);
10801069 			break;
10811070 		}
....@@ -1084,7 +1073,7 @@
10841073 			ulong addr = kvmppc_get_gpr(vcpu, ax_ra) +
10851074 				     kvmppc_get_gpr(vcpu, ax_rb);
10861075 
1087
-			emulated = kvmppc_emulate_fpr_store(run, vcpu, ax_rd,
1076
+			emulated = kvmppc_emulate_fpr_store(vcpu, ax_rd,
10881077 							    addr, FPU_LS_DOUBLE);
10891078 
10901079 			if (emulated == EMULATE_DONE)
....@@ -1096,7 +1085,7 @@
10961085 			ulong addr = (ax_ra ? kvmppc_get_gpr(vcpu, ax_ra) : 0) +
10971086 				     kvmppc_get_gpr(vcpu, ax_rb);
10981087 
1099
-			emulated = kvmppc_emulate_fpr_store(run, vcpu, ax_rd,
1088
+			emulated = kvmppc_emulate_fpr_store(vcpu, ax_rd,
11001089 							    addr,
11011090 							    FPU_LS_SINGLE_LOW);
11021091 			break;