diff options
Diffstat (limited to 'kernel/bar_emulation.c')
| -rw-r--r-- | kernel/bar_emulation.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/kernel/bar_emulation.c b/kernel/bar_emulation.c index 2d82303..685831a 100644 --- a/kernel/bar_emulation.c +++ b/kernel/bar_emulation.c @@ -309,6 +309,35 @@ int nv_vgpu_bar_emul_init(struct nv_vgpu_device *vgpu) *(u32 *)((u8 *)ctx->bar0_shadow + 0xC08084) = 0x00000103; *(u32 *)((u8 *)ctx->bar0_shadow + 0xC08088) = 0x01030000; + /* + * Per-VF static sizes the driver reads through the VF register window + * (GPU_VREG_RD32 = BAR0 + sriovState.virtualRegPhysOffset, 0xB80000 + * for a non-SRIOV virtual GPU). Both are read-only SIZE registers on + * real hardware; we pre-fill them so the local (non-RPC) paths agree + * with the GSP_RM_CONTROL replies in gsp_rm_emulation.c. + * + * 0x3010/0x3030 NV_VIRTUAL_FUNCTION_PRIV_MMU_FAULT_BUFFER_SIZE(0/1): + * _VAL is in NVC369_BUF_SIZE (32B) units. 0x800 -> 64KB + * replayable, 0x80 -> 4KB legacy; matches TU104_GMMU_*_SIZE. + * kgmmuSetAndGetDefaultFaultBufferSize_TU102 writes SET_DEFAULT + * (bit30) and reads _VAL back, so a pre-filled _VAL is all it + * needs. + * 0x3110 NV_VIRTUAL_FUNCTION_PRIV_ACCESS_COUNTER_NOTIFY_BUFFER_SIZE: + * UVM's uvmGetAccessCounterBufferSize_TU102 multiplies it by + * NV_ACCESS_COUNTER_NOTIFY_BUF_SIZE (32B). 0x1000 -> 128KB, the + * value the host's physical TU104 reports. Zero makes the + * access-counter buffer a 0-byte allocation and cuInit fails in + * uvmInitializeAccessCntrBuffer. + */ + *(u32 *)((u8 *)ctx->bar0_shadow + 0xB83010) = 0x00000800; + *(u32 *)((u8 *)ctx->bar0_shadow + 0xB83030) = 0x00000080; + *(u32 *)((u8 *)ctx->bar0_shadow + 0x003010) = 0x00000800; + *(u32 *)((u8 *)ctx->bar0_shadow + 0x003030) = 0x00000080; + *(u32 *)((u8 *)ctx->bar0_shadow + 0xB83110) = 0x00001000; + *(u32 *)((u8 *)ctx->bar0_shadow + 0x003110) = 0x00001000; + *(u32 *)((u8 *)ctx->bar0_shadow + 0xB8311C) = 0x00000000; + *(u32 *)((u8 *)ctx->bar0_shadow + 0xB83118) = 0x00000000; + /* * Serve a valid VBIOS at the PROM window (BAR0+0x300000). |