Add 3 sub flags to notify guest for indirect access of gc, mmhub and ih
Signed-off-by: Rohit Khaire <rohit.khaire@xxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h | 11 +++++++++++
drivers/gpu/drm/amd/amdgpu/amdgv_sriovmsg.h | 17 +++++++++++++++--
2 files changed, 26 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h
index 8dd624c20f89..0224f352d060 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h
@@ -104,6 +104,17 @@ enum AMDGIM_FEATURE_FLAG {
AMDGIM_FEATURE_GIM_MM_BW_MGR = 0x8,
/* PP ONE VF MODE in GIM */
AMDGIM_FEATURE_PP_ONE_VF = (1 << 4),
+ /* Indirect Reg Access enabled */
+ AMDGIM_FETURE_INDIRECT_REG_ACCESS = (1 << 5),
+};
+
+enum AMDGIM_REG_ACCESS_FLAG {
+ /* Use PSP to program IH_RB_CNTL */
+ AMDGIM_FEATURE_IH_REG_PSP_EN = (1 << 0),
+ /* Use RLC to program MMHUB regs */
+ AMDGIM_FEATURE_RLC_MMHUB_EN = (1 << 1),
+ /* Use RLC to program GC regs */
+ AMDGIM_FEATURE_RLC_GC_EN = (1 << 2),
};
struct amdgim_pf2vf_info_v1 {
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgv_sriovmsg.h b/drivers/gpu/drm/amd/amdgpu/amdgv_sriovmsg.h
index 5355827ed0ae..7fed6377d931 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgv_sriovmsg.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgv_sriovmsg.h
@@ -90,11 +90,22 @@ union amd_sriov_msg_feature_flags {
uint32_t host_flr_vramlost : 1;
uint32_t mm_bw_management : 1;
uint32_t pp_one_vf_mode : 1;
- uint32_t reserved : 27;
+ uint32_t reg_indirect_acc : 1;
+ uint32_t reserved : 26;
} flags;
uint32_t all;
};
+union amd_sriov_reg_access_flags {
+ struct {
+ uint32_t vf_reg_access_ih : 1;
+ uint32_t vf_reg_access_mmhub : 1;
+ uint32_t vf_reg_access_gc : 1;
+ uint32_t reserved : 29;
+ } flags;
+ uint32_t all;
+};
+
union amd_sriov_msg_os_info {
struct {
uint32_t windows : 1;
@@ -149,8 +160,10 @@ struct amd_sriov_msg_pf2vf_info {
/* identification in ROCm SMI */
uint64_t uuid;
uint32_t fcn_idx;
+ /* flags to indicate which register access method VF should use */
+ union amd_sriov_reg_access_flags reg_access_flags;
/* reserved */
- uint32_t reserved[256-26];
+ uint32_t reserved[256-27];
};
struct amd_sriov_msg_vf2pf_info_header {
--
2.17.1
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