From 23fa18eaa71266feff7ba8d83022d9e1cc83c65a Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 10 May 2024 07:42:03 +0000
Subject: [PATCH] disable pwm7
---
kernel/arch/powerpc/include/asm/kvm_host.h | 92 +++++++++++++++++++++++++++++++++-------------
1 files changed, 66 insertions(+), 26 deletions(-)
diff --git a/kernel/arch/powerpc/include/asm/kvm_host.h b/kernel/arch/powerpc/include/asm/kvm_host.h
index 7b54d84..d67a470 100644
--- a/kernel/arch/powerpc/include/asm/kvm_host.h
+++ b/kernel/arch/powerpc/include/asm/kvm_host.h
@@ -1,16 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License, version 2, as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* Copyright IBM Corp. 2007
*
@@ -46,6 +35,7 @@
#ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE
#include <asm/kvm_book3s_asm.h> /* for MAX_SMT_THREADS */
#define KVM_MAX_VCPU_ID (MAX_SMT_THREADS * KVM_MAX_VCORES)
+#define KVM_MAX_NESTED_GUESTS KVMPPC_NR_LPIDS
#else
#define KVM_MAX_VCPU_ID KVM_MAX_VCPUS
@@ -69,10 +59,10 @@
extern int kvm_unmap_hva_range(struct kvm *kvm,
unsigned long start, unsigned long end,
- bool blockable);
+ unsigned flags);
extern int kvm_age_hva(struct kvm *kvm, unsigned long start, unsigned long end);
extern int kvm_test_age_hva(struct kvm *kvm, unsigned long hva);
-extern void kvm_set_spte_hva(struct kvm *kvm, unsigned long hva, pte_t pte);
+extern int kvm_set_spte_hva(struct kvm *kvm, unsigned long hva, pte_t pte);
#define HPTEG_CACHE_NUM (1 << 15)
#define HPTEG_HASH_BITS_PTE 13
@@ -95,9 +85,12 @@
struct kvmppc_vcpu_book3s;
struct kvmppc_book3s_shadow_vcpu;
+struct kvm_nested_guest;
struct kvm_vm_stat {
ulong remote_tlb_flush;
+ ulong num_2M_pages;
+ ulong num_1G_pages;
};
struct kvm_vcpu_stat {
@@ -198,6 +191,8 @@
struct kref kref;
};
+#define TCES_PER_PAGE (PAGE_SIZE / sizeof(u64))
+
struct kvmppc_spapr_tce_table {
struct list_head list;
struct kvm *kvm;
@@ -207,6 +202,7 @@
u64 offset; /* in pages */
u64 size; /* window size in pages */
struct list_head iommu_tables;
+ struct mutex alloc_lock;
struct page *pages[0];
};
@@ -219,6 +215,7 @@
struct kvmppc_xive;
struct kvmppc_xive_vcpu;
extern struct kvm_device_ops kvm_xive_ops;
+extern struct kvm_device_ops kvm_xive_native_ops;
struct kvmppc_passthru_irqmap;
@@ -236,11 +233,25 @@
};
/*
- * We use the top bit of each memslot->arch.rmap entry as a lock bit,
- * and bit 32 as a present flag. The bottom 32 bits are the
- * index in the guest HPT of a HPTE that points to the page.
+ * The rmap array of size number of guest pages is allocated for each memslot.
+ * This array is used to store usage specific information about the guest page.
+ * Below are the encodings of the various possible usage types.
*/
-#define KVMPPC_RMAP_LOCK_BIT 63
+/* Free bits which can be used to define a new usage */
+#define KVMPPC_RMAP_TYPE_MASK 0xff00000000000000
+#define KVMPPC_RMAP_NESTED 0xc000000000000000 /* Nested rmap array */
+#define KVMPPC_RMAP_HPT 0x0100000000000000 /* HPT guest */
+
+/*
+ * rmap usage definition for a hash page table (hpt) guest:
+ * 0x0000080000000000 Lock bit
+ * 0x0000018000000000 RC bits
+ * 0x0000000100000000 Present bit
+ * 0x00000000ffffffff HPT index bits
+ * The bottom 32 bits are the index in the guest HPT of a HPTE that points to
+ * the page.
+ */
+#define KVMPPC_RMAP_LOCK_BIT 43
#define KVMPPC_RMAP_RC_SHIFT 32
#define KVMPPC_RMAP_REFERENCED (HPTE_R_R << KVMPPC_RMAP_RC_SHIFT)
#define KVMPPC_RMAP_PRESENT 0x100000000ul
@@ -265,6 +276,11 @@
struct kvm_resize_hpt;
+/* Flag values for kvm_arch.secure_guest */
+#define KVMPPC_SECURE_INIT_START 0x1 /* H_SVM_INIT_START has been called */
+#define KVMPPC_SECURE_INIT_DONE 0x2 /* H_SVM_INIT_DONE completed */
+#define KVMPPC_SECURE_INIT_ABORT 0x4 /* H_SVM_INIT_ABORT issued */
+
struct kvm_arch {
unsigned int lpid;
unsigned int smt_mode; /* # vcpus per virtual core */
@@ -287,11 +303,13 @@
cpumask_t cpu_in_guest;
u8 radix;
u8 fwnmi_enabled;
+ u8 secure_guest;
+ u8 svm_enabled;
bool threads_indep;
+ bool nested_enable;
pgd_t *pgtable;
u64 process_table;
struct dentry *debugfs_dir;
- struct dentry *htab_dentry;
struct kvm_resize_hpt *resize_hpt; /* protected by kvm->lock */
#endif /* CONFIG_KVM_BOOK3S_HV_POSSIBLE */
#ifdef CONFIG_KVM_BOOK3S_PR_POSSIBLE
@@ -308,11 +326,22 @@
#endif
#ifdef CONFIG_KVM_XICS
struct kvmppc_xics *xics;
- struct kvmppc_xive *xive;
+ struct kvmppc_xics *xics_device;
+ struct kvmppc_xive *xive; /* Current XIVE device in use */
+ struct {
+ struct kvmppc_xive *native;
+ struct kvmppc_xive *xics_on_xive;
+ } xive_devices;
struct kvmppc_passthru_irqmap *pimap;
#endif
struct kvmppc_ops *kvm_ops;
#ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE
+ struct mutex uvmem_lock;
+ struct list_head uvmem_pfns;
+ struct mutex mmu_setup_lock; /* nests inside vcpu mutexes */
+ u64 l1_ptcr;
+ int max_nested_lpid;
+ struct kvm_nested_guest *nested_guests[KVM_MAX_NESTED_GUESTS];
/* This array can grow quite large, keep it at the end */
struct kvmppc_vcore *vcores[KVM_MAX_VCORES];
#endif
@@ -362,7 +391,9 @@
bool may_write : 1;
bool may_execute : 1;
unsigned long wimg;
+ unsigned long rc;
u8 page_size; /* MMU_PAGE_xxx */
+ u8 page_shift;
};
struct kvmppc_mmu {
@@ -370,6 +401,7 @@
void (*slbmte)(struct kvm_vcpu *vcpu, u64 rb, u64 rs);
u64 (*slbmfee)(struct kvm_vcpu *vcpu, u64 slb_nr);
u64 (*slbmfev)(struct kvm_vcpu *vcpu, u64 slb_nr);
+ int (*slbfee)(struct kvm_vcpu *vcpu, gva_t eaddr, ulong *ret_slb);
void (*slbie)(struct kvm_vcpu *vcpu, u64 slb_nr);
void (*slbia)(struct kvm_vcpu *vcpu);
/* book3s */
@@ -377,7 +409,6 @@
u32 (*mfsrin)(struct kvm_vcpu *vcpu, u32 srnum);
int (*xlate)(struct kvm_vcpu *vcpu, gva_t eaddr,
struct kvmppc_pte *pte, bool data, bool iswrite);
- void (*reset_msr)(struct kvm_vcpu *vcpu);
void (*tlbie)(struct kvm_vcpu *vcpu, ulong addr, bool large);
int (*esid_to_vsid)(struct kvm_vcpu *vcpu, ulong esid, u64 *vsid);
u64 (*ea_to_vp)(struct kvm_vcpu *vcpu, gva_t eaddr, bool data);
@@ -439,6 +470,7 @@
#define KVMPPC_IRQ_DEFAULT 0
#define KVMPPC_IRQ_MPIC 1
#define KVMPPC_IRQ_XICS 2 /* Includes a XIVE option */
+#define KVMPPC_IRQ_XIVE 3 /* XIVE native exploitation mode */
#define MMIO_HPTE_CACHE_SIZE 4
@@ -607,12 +639,14 @@
u32 ccr1;
u32 dbsr;
- u64 mmcr[5];
+ u64 mmcr[4]; /* MMCR0, MMCR1, MMCR2, MMCR3 */
+ u64 mmcra;
+ u64 mmcrs;
u32 pmc[8];
u32 spmc[2];
u64 siar;
u64 sdar;
- u64 sier;
+ u64 sier[3];
#ifdef CONFIG_PPC_TRANSACTIONAL_MEM
u64 tfhar;
u64 texasr;
@@ -707,6 +741,7 @@
u8 hcall_needed;
u8 epr_flags; /* KVMPPC_EPR_xxx */
u8 epr_needed;
+ u8 external_oneshot; /* clear external irq after delivery */
u32 cpr0_cfgaddr; /* holds the last set cpr0_cfgaddr */
@@ -720,7 +755,7 @@
u8 irq_pending; /* Used by XIVE to signal pending guest irqs */
u32 last_inst;
- struct swait_queue_head *wqp;
+ struct rcuwait *waitp;
struct kvmppc_vcore *vcore;
int ret;
int trap;
@@ -764,7 +799,6 @@
struct mmio_hpte_cache_entry *pgfault_cache;
struct task_struct *run_task;
- struct kvm_run *kvm_run;
spinlock_t vpa_update_lock;
struct kvmppc_vpa vpa;
@@ -781,6 +815,11 @@
u32 emul_inst;
u32 online;
+
+ /* For support of nested guests */
+ struct kvm_nested_guest *nested;
+ u32 nested_vcpu_id;
+ gpa_t nested_io_gpr;
#endif
#ifdef CONFIG_KVM_BOOK3S_HV_EXIT_TIMING
@@ -793,7 +832,6 @@
struct kvmhv_tb_accumulator cede_time; /* time napping inside guest */
struct dentry *debugfs_dir;
- struct dentry *debugfs_timings;
#endif /* CONFIG_KVM_BOOK3S_HV_EXIT_TIMING */
};
@@ -815,6 +853,8 @@
#define KVM_MMIO_REG_FQPR 0x00c0
#define KVM_MMIO_REG_VSX 0x0100
#define KVM_MMIO_REG_VMX 0x0180
+#define KVM_MMIO_REG_NESTED_GPR 0xffc0
+
#define __KVM_HAVE_ARCH_WQP
#define __KVM_HAVE_CREATE_DEVICE
--
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