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From: Anup Patel <Anup.Patel@wdc.com>
To: Palmer Dabbelt <palmer@sifive.com>,
	Paul Walmsley <paul.walmsley@sifive.com>,
	Paolo Bonzini <pbonzini@redhat.com>, Radim K <rkrcmar@redhat.com>
Cc: Daniel Lezcano <daniel.lezcano@linaro.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	Atish Patra <Atish.Patra@wdc.com>,
	Alistair Francis <Alistair.Francis@wdc.com>,
	Damien Le Moal <Damien.LeMoal@wdc.com>,
	Christoph Hellwig <hch@infradead.org>,
	Anup Patel <anup@brainfault.org>,
	"kvm@vger.kernel.org" <kvm@vger.kernel.org>,
	"linux-riscv@lists.infradead.org"
	<linux-riscv@lists.infradead.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	Anup Patel <Anup.Patel@wdc.com>
Subject: [PATCH v5 04/20] RISC-V: Add hypervisor extension related CSR defines
Date: Thu, 22 Aug 2019 08:43:15 +0000	[thread overview]
Message-ID: <20190822084131.114764-5-anup.patel@wdc.com> (raw)
In-Reply-To: <20190822084131.114764-1-anup.patel@wdc.com>

This patch extends asm/csr.h by adding RISC-V hypervisor extension
related defines.

Signed-off-by: Anup Patel <anup.patel@wdc.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
---
 arch/riscv/include/asm/csr.h | 58 ++++++++++++++++++++++++++++++++++++
 1 file changed, 58 insertions(+)

diff --git a/arch/riscv/include/asm/csr.h b/arch/riscv/include/asm/csr.h
index a18923fa23c8..059c5cb22aaf 100644
--- a/arch/riscv/include/asm/csr.h
+++ b/arch/riscv/include/asm/csr.h
@@ -27,6 +27,8 @@
 #define SR_XS_CLEAN	_AC(0x00010000, UL)
 #define SR_XS_DIRTY	_AC(0x00018000, UL)
 
+#define SR_MXR		_AC(0x00080000, UL)
+
 #ifndef CONFIG_64BIT
 #define SR_SD		_AC(0x80000000, UL) /* FS/XS dirty */
 #else
@@ -59,10 +61,13 @@
 
 #define EXC_INST_MISALIGNED	0
 #define EXC_INST_ACCESS		1
+#define EXC_INST_ILLEGAL	2
 #define EXC_BREAKPOINT		3
 #define EXC_LOAD_ACCESS		5
 #define EXC_STORE_ACCESS	7
 #define EXC_SYSCALL		8
+#define EXC_HYPERVISOR_SYSCALL	9
+#define EXC_SUPERVISOR_SYSCALL	10
 #define EXC_INST_PAGE_FAULT	12
 #define EXC_LOAD_PAGE_FAULT	13
 #define EXC_STORE_PAGE_FAULT	15
@@ -72,6 +77,43 @@
 #define SIE_STIE		(_AC(0x1, UL) << IRQ_S_TIMER)
 #define SIE_SEIE		(_AC(0x1, UL) << IRQ_S_EXT)
 
+/* HSTATUS flags */
+#define HSTATUS_VTSR		_AC(0x00400000, UL)
+#define HSTATUS_VTVM		_AC(0x00100000, UL)
+#define HSTATUS_SP2V		_AC(0x00000200, UL)
+#define HSTATUS_SP2P		_AC(0x00000100, UL)
+#define HSTATUS_SPV		_AC(0x00000080, UL)
+#define HSTATUS_STL		_AC(0x00000040, UL)
+#define HSTATUS_SPRV		_AC(0x00000001, UL)
+
+/* HGATP flags */
+#define HGATP_MODE_OFF		_AC(0, UL)
+#define HGATP_MODE_SV32X4	_AC(1, UL)
+#define HGATP_MODE_SV39X4	_AC(8, UL)
+#define HGATP_MODE_SV48X4	_AC(9, UL)
+
+#define HGATP32_MODE_SHIFT	31
+#define HGATP32_VMID_SHIFT	22
+#define HGATP32_VMID_MASK	_AC(0x1FC00000, UL)
+#define HGATP32_PPN		_AC(0x003FFFFF, UL)
+
+#define HGATP64_MODE_SHIFT	60
+#define HGATP64_VMID_SHIFT	44
+#define HGATP64_VMID_MASK	_AC(0x03FFF00000000000, UL)
+#define HGATP64_PPN		_AC(0x00000FFFFFFFFFFF, UL)
+
+#ifdef CONFIG_64BIT
+#define HGATP_PPN		HGATP64_PPN
+#define HGATP_VMID_SHIFT	HGATP64_VMID_SHIFT
+#define HGATP_VMID_MASK		HGATP64_VMID_MASK
+#define HGATP_MODE		(HGATP_MODE_SV39X4 << HGATP64_MODE_SHIFT)
+#else
+#define HGATP_PPN		HGATP32_PPN
+#define HGATP_VMID_SHIFT	HGATP32_VMID_SHIFT
+#define HGATP_VMID_MASK		HGATP32_VMID_MASK
+#define HGATP_MODE		(HGATP_MODE_SV32X4 << HGATP32_MODE_SHIFT)
+#endif
+
 #define CSR_CYCLE		0xc00
 #define CSR_TIME		0xc01
 #define CSR_INSTRET		0xc02
@@ -85,6 +127,22 @@
 #define CSR_STVAL		0x143
 #define CSR_SIP			0x144
 #define CSR_SATP		0x180
+
+#define CSR_VSSTATUS		0x200
+#define CSR_VSIE		0x204
+#define CSR_VSTVEC		0x205
+#define CSR_VSSCRATCH		0x240
+#define CSR_VSEPC		0x241
+#define CSR_VSCAUSE		0x242
+#define CSR_VSTVAL		0x243
+#define CSR_VSIP		0x244
+#define CSR_VSATP		0x280
+
+#define CSR_HSTATUS		0x600
+#define CSR_HEDELEG		0x602
+#define CSR_HIDELEG		0x603
+#define CSR_HGATP		0x680
+
 #define CSR_CYCLEH		0xc80
 #define CSR_TIMEH		0xc81
 #define CSR_INSTRETH		0xc82
-- 
2.17.1


  parent reply	other threads:[~2019-08-22  8:43 UTC|newest]

Thread overview: 61+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-08-22  8:42 [PATCH v5 00/20] KVM RISC-V Support Anup Patel
2019-08-22  8:42 ` [PATCH v5 01/20] KVM: RISC-V: Add KVM_REG_RISCV for ONE_REG interface Anup Patel
2019-08-22  8:42 ` [PATCH v5 02/20] RISC-V: Add bitmap reprensenting ISA features common across CPUs Anup Patel
2019-08-22  8:43 ` [PATCH v5 03/20] RISC-V: Export few kernel symbols Anup Patel
2019-08-22  8:43 ` Anup Patel [this message]
2019-08-22  8:43 ` [PATCH v5 05/20] RISC-V: Add initial skeletal KVM support Anup Patel
2019-08-22  8:43 ` [PATCH v5 06/20] RISC-V: KVM: Implement VCPU create, init and destroy functions Anup Patel
2019-08-22  8:44 ` [PATCH v5 07/20] RISC-V: KVM: Implement VCPU interrupts and requests handling Anup Patel
2019-08-22  8:44 ` [PATCH v5 08/20] RISC-V: KVM: Implement KVM_GET_ONE_REG/KVM_SET_ONE_REG ioctls Anup Patel
2019-08-22 12:01   ` Alexander Graf
2019-08-22 14:00     ` Anup Patel
2019-08-22 14:12       ` Alexander Graf
2019-08-23 11:20         ` Anup Patel
2019-08-23 11:42           ` Graf (AWS), Alexander
2019-08-22 14:05     ` Anup Patel
2019-08-22  8:44 ` [PATCH v5 09/20] RISC-V: KVM: Implement VCPU world-switch Anup Patel
2019-08-22  8:44 ` [PATCH v5 10/20] RISC-V: KVM: Handle MMIO exits for VCPU Anup Patel
2019-08-22 12:10   ` Alexander Graf
2019-08-22 12:21     ` Andrew Jones
2019-08-22 12:27     ` Anup Patel
2019-08-22 12:14   ` Alexander Graf
2019-08-22 12:33     ` Anup Patel
2019-08-22 13:25       ` Alexander Graf
2019-08-22 13:55         ` Anup Patel
2019-08-22  8:45 ` [PATCH v5 11/20] RISC-V: KVM: Handle WFI " Anup Patel
2019-08-22 12:19   ` Alexander Graf
2019-08-22 12:50     ` Anup Patel
2019-08-22  8:45 ` [PATCH v5 12/20] RISC-V: KVM: Implement VMID allocator Anup Patel
2019-08-22  8:45 ` [PATCH v5 13/20] RISC-V: KVM: Implement stage2 page table programming Anup Patel
2019-08-22 12:28   ` Alexander Graf
2019-08-22 12:38     ` Anup Patel
2019-08-22 13:27       ` Alexander Graf
2019-08-22 13:58         ` Anup Patel
2019-08-22 14:09           ` Alexander Graf
2019-08-23 11:21             ` Anup Patel
2019-08-22  8:45 ` [PATCH v5 14/20] RISC-V: KVM: Implement MMU notifiers Anup Patel
2019-08-22  8:46 ` [PATCH v5 15/20] RISC-V: KVM: Add timer functionality Anup Patel
2019-08-23  7:52   ` Alexander Graf
2019-08-23 11:04     ` Anup Patel
2019-08-23 11:33       ` Graf (AWS), Alexander
2019-08-23 11:46         ` Anup Patel
2019-08-23 11:49           ` Alexander Graf
2019-08-23 12:11             ` Anup Patel
2019-08-23 12:25               ` Alexander Graf
2019-08-22  8:46 ` [PATCH v5 16/20] RISC-V: KVM: FP lazy save/restore Anup Patel
2019-08-22  8:46 ` [PATCH v5 17/20] RISC-V: KVM: Implement ONE REG interface for FP registers Anup Patel
2019-08-22  8:46 ` [PATCH v5 18/20] RISC-V: KVM: Add SBI v0.1 support Anup Patel
2019-08-23  8:04   ` Alexander Graf
2019-08-23 11:17     ` Anup Patel
2019-08-23 11:38       ` Graf (AWS), Alexander
2019-08-23 12:00         ` Anup Patel
2019-08-23 12:19           ` Alexander Graf
2019-08-23 12:28             ` Anup Patel
2019-08-22  8:47 ` [PATCH v5 19/20] RISC-V: Enable VIRTIO drivers in RV64 and RV32 defconfig Anup Patel
2019-08-22  8:47 ` [PATCH v5 20/20] RISC-V: KVM: Add MAINTAINERS entry Anup Patel
2019-08-23  8:08 ` [PATCH v5 00/20] KVM RISC-V Support Alexander Graf
2019-08-23 11:25   ` Anup Patel
2019-08-23 11:44     ` Graf (AWS), Alexander
2019-08-23 12:10       ` Paolo Bonzini
2019-08-23 12:19         ` Anup Patel
2019-08-23 12:28           ` Alexander Graf

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