1 // SPDX-License-Identifier: GPL-2.0
4  * Hyper-V specific APIC code.
45 static void hv_apic_icr_write(u32 low, u32 id)  in hv_apic_icr_write()  argument
49 	reg_val = SET_XAPIC_DEST_FIELD(id);  in hv_apic_icr_write()
93 	if (hvp && (xchg(&hvp->apic_assist, 0) & 0x1))  in hv_apic_eoi_write()
105  * IPI implementation on Hyper-V.
124 	ipi_arg->vector = vector;  in __send_ipi_mask_ex()
125 	ipi_arg->reserved = 0;  in __send_ipi_mask_ex()
126 	ipi_arg->vp_set.valid_bank_mask = 0;  in __send_ipi_mask_ex()
130 	 * when the IPI is sent to all currently present CPUs.  in __send_ipi_mask_ex()
133 		ipi_arg->vp_set.format = HV_GENERIC_SET_SPARSE_4K;  in __send_ipi_mask_ex()
135 		nr_bank = cpumask_to_vpset_skip(&ipi_arg->vp_set, mask,  in __send_ipi_mask_ex()
146 		ipi_arg->vp_set.format = HV_GENERIC_SET_ALL;  in __send_ipi_mask_ex()
211 		 * This particular version of the IPI hypercall can  in __send_ipi_mask()
292 		pr_info("Hyper-V: Using IPI hypercalls\n");  in hv_apic_init()
294 		 * Set the IPI entry points.  in hv_apic_init()
307 		pr_info("Hyper-V: Using enlightened APIC (%s mode)",  in hv_apic_init()
310 		 * When in x2apic mode, don't use the Hyper-V specific APIC  in hv_apic_init()
313 		 * x2apic MSRs function just as well as the Hyper-V  in hv_apic_init()
315 		 * separate Hyper-V accessors for x2apic mode. The only  in hv_apic_init()