40  * 0xFFF0000000000000	12-bit lpid field
41  * 0x000FFFFFFFFFF000	40-bit guest 4k page frame number
42  * 0x0000000000000001	1-bit  single entry flag
44 #define RMAP_NESTED_LPID_MASK		0xFFF0000000000000UL
46 #define RMAP_NESTED_GPA_MASK		0x000FFFFFFFFFF000UL
47 #define RMAP_NESTED_IS_SINGLE_ENTRY	0x0000000000000001UL
154 #define HDSISR_CANARY	0x7fff
157  * We use a lock bit in HPTE dword 0 to synchronize updates and
161 #define HPTE_V_HVLOCK	0x40UL
162 #define HPTE_V_ABSENT	0x20UL
186 	asm volatile("	ldarx	%0,0,%2\n"  in try_lock_hpte()
187 		     "	and.	%1,%0,%3\n"  in try_lock_hpte()
189 		     "	or	%0,%0,%4\n"  in try_lock_hpte()
190 		     "  stdcx.	%0,0,%2\n"  in try_lock_hpte()
197 	return old == 0;  in try_lock_hpte()
204 	hpte[0] = cpu_to_be64(hpte_v);  in unlock_hpte()
211 	hpte[0] = cpu_to_be64(hpte_v);  in __unlock_hpte()
224 	lphi = (l >> 16) & 0xf;  in kvmppc_hpte_page_shifts()
225 	switch ((l >> 12) & 0xf) {  in kvmppc_hpte_page_shifts()
226 	case 0:  in kvmppc_hpte_page_shifts()
227 		return !lphi ? 24 : 0;		/* 16MB */  in kvmppc_hpte_page_shifts()
233 		return !lphi ? 34 : 0;		/* 16GB */  in kvmppc_hpte_page_shifts()
245 	return 0;  in kvmppc_hpte_page_shifts()
250 	return kvmppc_hpte_page_shifts(h, l) & 0xff;  in kvmppc_hpte_base_page_shift()
257 	if (tmp >= 0x100)  in kvmppc_hpte_actual_page_shift()
268 	return 0;  in kvmppc_actual_pgsz()
277 			return 0;  in kvmppc_pgsize_lp_encoding()
281 			return 0x38;  in kvmppc_pgsize_lp_encoding()
293 		return 0;  in kvmppc_pgsize_lp_encoding()
302 	unsigned long rb = 0, va_low, sllp;  in compute_tlbie_rb()
305 	if (a_pgshift >= 0x100) {  in compute_tlbie_rb()
306 		b_pgshift &= 0xff;  in compute_tlbie_rb()
320 	rb = (v & ~0x7fUL) << 16;		/* AVA field */  in compute_tlbie_rb()
339 	va_low &= 0x7ff;  in compute_tlbie_rb()
346 		rb |= (va_low & 0x7ff) << 12;	/* remaining 11 bits of AVA */  in compute_tlbie_rb()
353 		rb |= (va_low << b_pgshift) & 0x7ff000;  in compute_tlbie_rb()
364 		rb |= ((va_low << aval_shift) & 0xfe);  in compute_tlbie_rb()
367 		rb |= r & 0xff000 & ((1ul << a_pgshift) - 1); /* LP field */  in compute_tlbie_rb()
370 	 * This sets both bits of the B field in the PTE. 0b1x values are  in compute_tlbie_rb()
420  * return the PTE, otherwise return 0.
424 	pte_t old_pte, new_pte = __pte(0);  in kvmppc_read_update_linux_pte()
440 			return __pte(0);  in kvmppc_read_update_linux_pte()
504 	unsigned long senc = 0;  in slb_pgsize_encoding()
506 	if (psize > 0x1000) {  in slb_pgsize_encoding()
508 		if (psize == 0x10000)  in slb_pgsize_encoding()
516 	return (hpte_v & ~0xffffffUL) ==  in is_vrma_hpte()
540 	return rcu_dereference_raw_check(kvm->memslots[0]);  in kvm_memslots_raw()
566 		memset((char *)map + i / 8, 0xff, npages / 8);  in set_dirty_bits()
576 		memset((char *)map + i / 8, 0xff, npages / 8);  in set_dirty_bits_atomic()