include/asm/kvm_host.h

1 /* SPDX-License-Identifier: GPL-2.0-only */
28 #include <asm/guest-state-buffer.h>
43  * hardware supports). Both guest and host use this value.
59 /* PPC-specific vcpu->requests bit members */
78 /* Physical Address Mask - allowed range of real mode RAM access */
217  * which stores the guest's view of the second word of the HPTE
218  * (including the guest physical address of the mapping),
219  * plus forward and backward pointers in a doubly-linked ring
221  * ring are 32-bit HPTE indexes, to save space.
229  * The rmap array of size number of guest pages is allocated for each memslot.
230  * This array is used to store usage specific information about the guest page.
233 /* Free bits which can be used to define a new usage */
236 #define KVMPPC_RMAP_HPT		0x0100000000000000	/* HPT guest */
239  * rmap usage definition for a hash page table (hpt) guest:
241  * 0x0000018000000000	RC bits
243  * 0x00000000ffffffff	HPT index bits
244  * The bottom 32 bits are the index in the guest HPT of a HPTE that points to
260 	/* Host virtual (linear mapping) address of guest HPT */
262 	/* Array of reverse mapping entries for each guest HPTE */
264 	/* Guest HPT size is 2**(order) bytes */
304 	struct kvm_resize_hpt *resize_hpt; /* protected by kvm->lock */
340 #define VCORE_ENTRY_MAP(vc)	((vc)->entry_exit_map & 0xff)
341 #define VCORE_EXIT_MAP(vc)	((vc)->entry_exit_map >> 8)
363  * registered by a PAPR guest.  There are three types of area
364  * that a guest can register.
367 	unsigned long gpa;	/* Current guest phys addr */
370 	unsigned long next_gpa;	/* Guest phys addr for update */
458 #define KVMPPC_EPR_KERNEL	2 /* in-kernel irqchip */
480 	unsigned int index;  member
518  /* Nestedv2 L1<->L0 communication state */
533 	int slb_max;		/* 1 + index of last valid entry in slb[] */
643 	/* Time base value when we entered the guest */
711 	 * POWER9 and later: fault_gpa contains the guest real address of page
712 	 * fault for a radix guest, or segment descriptor (equivalent to result
733 	/* guest debug registers*/
774 	u64 dec_expires;	/* Relative to guest timebase. */
779 	u8 irq_pending; /* Used by XIVE to signal pending guest irqs */
848 	u64 nested_hfscr;	/* HFSCR that the L1 requested for the nested guest */
867 	struct kvmhv_tb_accumulator rm_entry;	/* real-mode entry code */
868 	struct kvmhv_tb_accumulator rm_intr;	/* real-mode intr handling */
869 	struct kvmhv_tb_accumulator rm_exit;	/* real-mode exit code */
870 	struct kvmhv_tb_accumulator guest_time;	/* guest execution */
871 	struct kvmhv_tb_accumulator cede_time;	/* time napping inside guest */
876 #define VCPU_FPR(vcpu, i)	(vcpu)->arch.fp.fpr[i][TS_FPROFFSET]
877 #define VCPU_VSX_FPR(vcpu, i, j)	((vcpu)->arch.fp.fpr[i][j])
878 #define VCPU_VSX_VR(vcpu, i)		((vcpu)->arch.vr.vr[i])
880 /* Values for vcpu->arch.state */
885 /* Values for vcpu->arch.io_gpr */