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git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
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linux
RISC-V: Add hypervisor extension related CSR defines
This patch adds asm/kvm_csr.h for RISC-V hypervisor extension
related defines.
Signed-off-by: Anup Patel <anup.patel@wdc.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Alexander Graf <graf@amazon.com>
Message-Id: <20210927114016.1089328-2-anup.patel@wdc.com>
Acked-by: Palmer Dabbelt <palmerdabbelt@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
authored by
Anup Patel
and committed by
Paolo Bonzini
3f2401f4
2353e593
+87
+87
arch/riscv/include/asm/csr.h
+87
arch/riscv/include/asm/csr.h
···
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/* Interrupt causes (minus the high bit) */
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#define IRQ_S_SOFT 1
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#define IRQ_VS_SOFT 2
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#define IRQ_M_SOFT 3
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#define IRQ_S_TIMER 5
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#define IRQ_VS_TIMER 6
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#define IRQ_M_TIMER 7
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#define IRQ_S_EXT 9
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#define IRQ_VS_EXT 10
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#define IRQ_M_EXT 11
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/* Exception causes */
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#define EXC_INST_MISALIGNED 0
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#define EXC_INST_ACCESS 1
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#define EXC_INST_ILLEGAL 2
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#define EXC_BREAKPOINT 3
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#define EXC_LOAD_ACCESS 5
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#define EXC_STORE_ACCESS 7
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#define EXC_SYSCALL 8
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#define EXC_HYPERVISOR_SYSCALL 9
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#define EXC_SUPERVISOR_SYSCALL 10
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#define EXC_INST_PAGE_FAULT 12
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#define EXC_LOAD_PAGE_FAULT 13
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#define EXC_STORE_PAGE_FAULT 15
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#define EXC_INST_GUEST_PAGE_FAULT 20
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#define EXC_LOAD_GUEST_PAGE_FAULT 21
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#define EXC_VIRTUAL_INST_FAULT 22
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#define EXC_STORE_GUEST_PAGE_FAULT 23
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/* PMP configuration */
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#define PMP_R 0x01
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#define PMP_A_NA4 0x10
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#define PMP_A_NAPOT 0x18
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#define PMP_L 0x80
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/* HSTATUS flags */
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#ifdef CONFIG_64BIT
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#define HSTATUS_VSXL _AC(0x300000000, UL)
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#define HSTATUS_VSXL_SHIFT 32
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#endif
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#define HSTATUS_VTSR _AC(0x00400000, UL)
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#define HSTATUS_VTW _AC(0x00200000, UL)
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#define HSTATUS_VTVM _AC(0x00100000, UL)
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#define HSTATUS_VGEIN _AC(0x0003f000, UL)
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#define HSTATUS_VGEIN_SHIFT 12
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#define HSTATUS_HU _AC(0x00000200, UL)
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#define HSTATUS_SPVP _AC(0x00000100, UL)
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#define HSTATUS_SPV _AC(0x00000080, UL)
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#define HSTATUS_GVA _AC(0x00000040, UL)
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#define HSTATUS_VSBE _AC(0x00000020, UL)
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/* HGATP flags */
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#define HGATP_MODE_OFF _AC(0, UL)
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#define HGATP_MODE_SV32X4 _AC(1, UL)
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#define HGATP_MODE_SV39X4 _AC(8, UL)
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#define HGATP_MODE_SV48X4 _AC(9, UL)
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#define HGATP32_MODE_SHIFT 31
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#define HGATP32_VMID_SHIFT 22
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#define HGATP32_VMID_MASK _AC(0x1FC00000, UL)
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#define HGATP32_PPN _AC(0x003FFFFF, UL)
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#define HGATP64_MODE_SHIFT 60
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#define HGATP64_VMID_SHIFT 44
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#define HGATP64_VMID_MASK _AC(0x03FFF00000000000, UL)
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#define HGATP64_PPN _AC(0x00000FFFFFFFFFFF, UL)
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#define HGATP_PAGE_SHIFT 12
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#ifdef CONFIG_64BIT
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#define HGATP_PPN HGATP64_PPN
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#define HGATP_VMID_SHIFT HGATP64_VMID_SHIFT
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#define HGATP_VMID_MASK HGATP64_VMID_MASK
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#define HGATP_MODE_SHIFT HGATP64_MODE_SHIFT
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#else
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#define HGATP_PPN HGATP32_PPN
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#define HGATP_VMID_SHIFT HGATP32_VMID_SHIFT
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#define HGATP_VMID_MASK HGATP32_VMID_MASK
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#define HGATP_MODE_SHIFT HGATP32_MODE_SHIFT
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#endif
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/* VSIP & HVIP relation */
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#define VSIP_TO_HVIP_SHIFT (IRQ_VS_SOFT - IRQ_S_SOFT)
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#define VSIP_VALID_MASK ((_AC(1, UL) << IRQ_S_SOFT) | \
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(_AC(1, UL) << IRQ_S_TIMER) | \
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(_AC(1, UL) << IRQ_S_EXT))
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/* symbolic CSR names: */
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#define CSR_CYCLE 0xc00
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#define CSR_STVAL 0x143
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#define CSR_SIP 0x144
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#define CSR_SATP 0x180
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#define CSR_VSSTATUS 0x200
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#define CSR_VSIE 0x204
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#define CSR_VSTVEC 0x205
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#define CSR_VSSCRATCH 0x240
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#define CSR_VSEPC 0x241
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#define CSR_VSCAUSE 0x242
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#define CSR_VSTVAL 0x243
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#define CSR_VSIP 0x244
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#define CSR_VSATP 0x280
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#define CSR_HSTATUS 0x600
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#define CSR_HEDELEG 0x602
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#define CSR_HIDELEG 0x603
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#define CSR_HIE 0x604
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#define CSR_HTIMEDELTA 0x605
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#define CSR_HCOUNTEREN 0x606
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#define CSR_HGEIE 0x607
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#define CSR_HTIMEDELTAH 0x615
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#define CSR_HTVAL 0x643
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#define CSR_HIP 0x644
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#define CSR_HVIP 0x645
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#define CSR_HTINST 0x64a
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#define CSR_HGATP 0x680
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#define CSR_HGEIP 0xe12
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#define CSR_MSTATUS 0x300
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#define CSR_MISA 0x301