riscv/kvm/aia_imsic.c

216 static unsigned long imsic_mrif_atomic_rmw(struct imsic_mrif *mrif,
236 static unsigned long imsic_mrif_atomic_or(struct imsic_mrif *mrif,
248 static u32 imsic_mrif_topei(struct imsic_mrif *mrif, u32 nr_eix, u32 nr_msis)
253 	unsigned long eithreshold = imsic_mrif_atomic_read(mrif,
254 							&mrif->eithreshold);
259 		eix = &mrif->eix[ei];
260 		eipend[0] = imsic_mrif_atomic_read(mrif, &eix->eie[0]) &
261 			    imsic_mrif_atomic_read(mrif, &eix->eip[0]);
263 		eipend[1] = imsic_mrif_atomic_read(mrif, &eix->eie[1]) &
264 			    imsic_mrif_atomic_read(mrif, &eix->eip[1]);
310 static int imsic_mrif_rmw(struct imsic_mrif *mrif, u32 nr_eix,
320 		old_val = imsic_mrif_atomic_rmw(mrif, &mrif->eidelivery,
324 		old_val = imsic_mrif_atomic_rmw(mrif, &mrif->eithreshold,
339 		eix = &mrif->eix[num / 2];
353 		old_val = imsic_mrif_atomic_rmw(mrif, ei, new_val, wr_mask);
369 	struct imsic_mrif *mrif;
377 	struct imsic_mrif *mrif = idata->mrif;
393 		mrif->eidelivery = imsic_vs_csr_swap(IMSIC_EIDELIVERY, 0);
394 		mrif->eithreshold = imsic_vs_csr_swap(IMSIC_EITHRESHOLD, 0);
396 			eix = &mrif->eix[i];
405 		mrif->eidelivery = imsic_vs_csr_read(IMSIC_EIDELIVERY);
406 		mrif->eithreshold = imsic_vs_csr_read(IMSIC_EITHRESHOLD);
408 			eix = &mrif->eix[i];
423 			      bool clear, struct imsic_mrif *mrif)
435 	idata.mrif = mrif;
551 				      struct imsic_mrif *mrif)
574 		eix = &mrif->eix[i];
582 	imsic_vs_csr_write(IMSIC_EITHRESHOLD, mrif->eithreshold);
583 	imsic_vs_csr_write(IMSIC_EIDELIVERY, mrif->eidelivery);
617 	struct imsic_mrif *mrif = imsic->swfile;
628 	if (imsic_mrif_atomic_read(mrif, &mrif->eidelivery) &&
629 	    imsic_mrif_topei(mrif, imsic->nr_eix, imsic->nr_msis))
638 			      struct imsic_mrif *mrif)
649 	memcpy(mrif, imsic->swfile, sizeof(*mrif));
657 				struct imsic_mrif *mrif)
664 	imsic_mrif_atomic_write(smrif, &smrif->eidelivery, mrif->eidelivery);
665 	imsic_mrif_atomic_write(smrif, &smrif->eithreshold, mrif->eithreshold);
668 		eix = &mrif->eix[i];