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Mon, 23 Dec 2019 11:35:34 +0000 Received: from wdc.com (106.51.20.238) by MA1PR01CA0077.INDPRD01.PROD.OUTLOOK.COM (2603:1096:a00::17) with Microsoft SMTP Server (version=TLS1_2, cipher=) via Frontend Transport; Mon, 23 Dec 2019 11:35:28 +0000 From: Anup Patel To: Palmer Dabbelt , Paul Walmsley , Albert Ou , Paolo Bonzini , Radim K CC: Alexander Graf , Atish Patra , Alistair Francis , Damien Le Moal , Christoph Hellwig , Anup Patel , "kvm@vger.kernel.org" , "kvm-riscv@lists.infradead.org" , "linux-riscv@lists.infradead.org" , "linux-kernel@vger.kernel.org" , Anup Patel Subject: [PATCH v10 03/19] RISC-V: Add hypervisor extension related CSR defines Thread-Topic: [PATCH v10 03/19] RISC-V: Add hypervisor extension related CSR defines Thread-Index: AQHVuYUWuAl0bGS/2kmM52YFKQM1zA== Date: Mon, 23 Dec 2019 11:35:33 +0000 Message-ID: <20191223113443.68969-4-anup.patel@wdc.com> References: <20191223113443.68969-1-anup.patel@wdc.com> In-Reply-To: <20191223113443.68969-1-anup.patel@wdc.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-clientproxiedby: MA1PR01CA0077.INDPRD01.PROD.OUTLOOK.COM (2603:1096:a00::17) To MN2PR04MB6061.namprd04.prod.outlook.com (2603:10b6:208:d8::15) authentication-results: spf=none (sender IP is ) smtp.mailfrom=Anup.Patel@wdc.com; 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x-ms-exchange-senderadcheck: 1 x-microsoft-antispam: BCL:0; x-microsoft-antispam-message-info: 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 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: wdc.com X-MS-Exchange-CrossTenant-Network-Message-Id: c3458e2d-08a6-47b1-8886-08d7879c390b X-MS-Exchange-CrossTenant-originalarrivaltime: 23 Dec 2019 11:35:34.0258 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: b61c8803-16f3-4c35-9b17-6f65f441df86 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: Zdwyl4P5wgaqxxEdcWB+Hau9TFtIFwFiLzrN5N0NXmP6XnS2PSGzLu6G3eZ2rJuZJ3xznegNVoXkXVAb1ii/EQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: MN2PR04MB7072 Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org This patch extends asm/csr.h by adding RISC-V hypervisor extension related defines. Signed-off-by: Anup Patel Acked-by: Paolo Bonzini Reviewed-by: Paolo Bonzini Reviewed-by: Alexander Graf --- arch/riscv/include/asm/csr.h | 78 ++++++++++++++++++++++++++++++++++-- 1 file changed, 75 insertions(+), 3 deletions(-) diff --git a/arch/riscv/include/asm/csr.h b/arch/riscv/include/asm/csr.h index 0a62d2d68455..afb6733475c2 100644 --- a/arch/riscv/include/asm/csr.h +++ b/arch/riscv/include/asm/csr.h @@ -30,6 +30,8 @@ #define SR_XS_CLEAN _AC(0x00010000, UL) #define SR_XS_DIRTY _AC(0x00018000, UL) =20 +#define SR_MXR _AC(0x00080000, UL) + #ifndef CONFIG_64BIT #define SR_SD _AC(0x80000000, UL) /* FS/XS dirty */ #else @@ -51,26 +53,74 @@ #define CAUSE_IRQ_FLAG (_AC(1, UL) << (__riscv_xlen - 1)) =20 /* Interrupt causes (minus the high bit) */ -#define IRQ_U_SOFT 0 #define IRQ_S_SOFT 1 +#define IRQ_VS_SOFT 2 #define IRQ_M_SOFT 3 -#define IRQ_U_TIMER 4 #define IRQ_S_TIMER 5 +#define IRQ_VS_TIMER 6 #define IRQ_M_TIMER 7 -#define IRQ_U_EXT 8 #define IRQ_S_EXT 9 +#define IRQ_VS_EXT 10 #define IRQ_M_EXT 11 =20 /* Exception causes */ #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 +#define EXC_INST_GUEST_PAGE_FAULT 20 +#define EXC_LOAD_GUEST_PAGE_FAULT 21 +#define EXC_STORE_GUEST_PAGE_FAULT 23 + +/* 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_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 + +/* VSIP & HIP relation */ +#define VSIP_TO_HIP_SHIFT (IRQ_VS_SOFT - IRQ_S_SOFT) +#define VSIP_VALID_MASK ((_AC(1, UL) << IRQ_S_SOFT) | \ + (_AC(1, UL) << IRQ_S_TIMER) | \ + (_AC(1, UL) << IRQ_S_EXT)) =20 /* symbolic CSR names: */ #define CSR_CYCLE 0xc00 @@ -91,6 +141,28 @@ #define CSR_SIP 0x144 #define CSR_SATP 0x180 =20 +#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_HIE 0x604 +#define CSR_HTIMEDELTA 0x605 +#define CSR_HTIMEDELTAH 0x615 +#define CSR_HCOUNTERNEN 0x606 +#define CSR_HTVAL 0x643 +#define CSR_HIP 0x644 +#define CSR_HTINST 0x64a +#define CSR_HGATP 0x680 + #define CSR_MSTATUS 0x300 #define CSR_MISA 0x301 #define CSR_MIE 0x304 --=20 2.17.1