summaryrefslogtreecommitdiffstats
path: root/kernel/gsp_phys_gpu.c
diff options
context:
space:
mode:
Diffstat (limited to 'kernel/gsp_phys_gpu.c')
-rw-r--r--kernel/gsp_phys_gpu.c28
1 files changed, 25 insertions, 3 deletions
diff --git a/kernel/gsp_phys_gpu.c b/kernel/gsp_phys_gpu.c
index 0366380..cd04007 100644
--- a/kernel/gsp_phys_gpu.c
+++ b/kernel/gsp_phys_gpu.c
@@ -228,6 +228,28 @@ int gsp_phys_rmcall_channel_value(void)
EXPORT_SYMBOL_GPL(gsp_phys_rmcall_channel_value);
/*
+ * Golden-image replay (default 0). When set (and gsp_phys_gpu=1), the rm-call
+ * ladder's stage 3 replays the stock client's post-load golden-image channel
+ * allocations (kgraphicsCreateGoldenImageChannel: a separate
+ * FERMI_VASPACE_A, the GPFIFO pushbuffer as physical NV01_MEMORY_SYSTEM plus
+ * its NV50_MEMORY_VIRTUAL mapping, the client USERD, a device-parented
+ * TURING_CHANNEL_GPFIFO_A and a TURING_A 3D object) before the ladder's own
+ * channel, so the server-side GR-instance state the GR engine-context commit
+ * needs exists. With 0 the ladder is byte-identical to before.
+ */
+static bool gsp_phys_rmcall_golden_param;
+module_param_named(gsp_phys_rmcall_golden, gsp_phys_rmcall_golden_param,
+ bool, 0644);
+MODULE_PARM_DESC(gsp_phys_rmcall_golden,
+ "Replay the stock golden-image channel allocations in stage 3 before the ladder channel (default 0; requires gsp_phys_gpu=1)");
+
+bool gsp_phys_rmcall_golden_enabled(void)
+{
+ return gsp_phys_rmcall_golden_param;
+}
+EXPORT_SYMBOL_GPL(gsp_phys_rmcall_golden_enabled);
+
+/*
* P5 wave-1 shadow work forwarding (default 0). When set, the sema service
* requests one real CE copy on the debugfs ladder's channel for each decoded
* guest CE push, using only the ladder's module-owned buffers; the software
@@ -470,8 +492,8 @@ static int gsp_phys_rmcall_gr_promote_set(const char *val,
return ret;
if (gsp_phys_rmcall_gr_promote_param < 0 ||
- gsp_phys_rmcall_gr_promote_param > 23) {
- pr_warn("vgsp: gsp_phys_rmcall_gr_promote=%d is outside 0..23; clamping to 0 (no PROMOTE_CTX)\n",
+ gsp_phys_rmcall_gr_promote_param > 24) {
+ pr_warn("vgsp: gsp_phys_rmcall_gr_promote=%d is outside 0..24; clamping to 0 (no PROMOTE_CTX)\n",
gsp_phys_rmcall_gr_promote_param);
gsp_phys_rmcall_gr_promote_param = 0;
}
@@ -490,7 +512,7 @@ module_param_cb(gsp_phys_rmcall_gr_promote,
&gsp_phys_rmcall_gr_promote_ops,
&gsp_phys_rmcall_gr_promote_param, 0644);
MODULE_PARM_DESC(gsp_phys_rmcall_gr_promote,
- "GR context-promote bisection (default 0: never send PROMOTE_CTX; 1: single entry init+nonmapped=0 size=raw+subctx, the p6h1b shape; 2: two-phase PA-only nonmapped then VA-only with the same fields; 3: single entry size=raw; 4: two-phase with a zero-field VA-only step; 5: batched entryCount=2 PA-only init + zero-field VA-only; 6: no-entry hVirtMemory, NV01_MEMORY_VIRTUAL (class 0x70) on the VAS at the context window + PROMOTE_CTX entryCount=0; 7: no-entry bare virtAddress+size, entryCount=0; 8: single MAIN entry like 1 on the KMD-managed channel (V6 SKIP_CTXBUFFER_ALLOC), server creates the virtual context memdesc itself; 9: same V6 channel with the stock client's zero-field VA-only MAIN entry, bInitialize=0; 10: same V6 channel, GPU_INITIALIZE_CTX (0x2080012d) installs the physical context memdesc then PROMOTE_CTX entryCount=0 bare virtAddress+size; 11: mode 10 with a server FBMEM context buffer, VIDMEM physAttr 0x4; 12: V5 UVM/vGPU-faithful PA-only MAIN entry (bInitialize=1 bNonmapped=1, no VA) and continue to BIND/SCHEDULE/submit; 13: mode 12 plus a PATCH PA-only promote first, sized from GET_ENGINE_CONTEXT_PROPERTIES engineId 0x10; 14: KMD channel (V6) + PATCH PA-only then the single-entry MAIN init+VA (the flow that books the context VA and commits ENG_CTX_VALID); 15: mode 14 with a server FBMEM MAIN context buffer and VIDMEM physAttr 0x4; 16: mode 14 plus a PM ctxsw PA-only promote first; 17: no client PROMOTE_CTX, paired with gsp_phys_srv_ctxbuf=1 so the GSP-RM server-manages and commits the context; 18: mode 8 shape plus a client FERMI_CONTEXT_SHARE_A on the TSG (hContextShare) whose construct allocates the GraphicsSubcontext; 19: the stock guest's exact 9-entry promote set (MAIN 2 MB PA+VA, PATCH, global buffers, FECS event, private access maps) on V5; 20: mode 6's no-entry hVirtMemory promote on the KMD-managed V6 channel (SKIP_CTXBUFFER_ALLOC), untested - the combination the V5 refusal (0x1f) points at; 21: mode 7's no-entry bare (virtAddress, size) promote on the V6 KMD-managed channel; 22: GPU_INITIALIZE_CTX then mode 20's no-entry hVirtMemory promote; 23: the hVirtMemory no-entry promote backed by the server-owned FBMEM context object (GSP_RM_ALLOC class 0x40) on the server-managed shared V5 channel - a physical memdesc reaches the per-buffer commit without the ADDR_VIRTUAL vaList gate); values outside 0..23 clamp to 0 with a warning");
+ "GR context-promote bisection (default 0: never send PROMOTE_CTX; 1: single entry init+nonmapped=0 size=raw+subctx, the p6h1b shape; 2: two-phase PA-only nonmapped then VA-only with the same fields; 3: single entry size=raw; 4: two-phase with a zero-field VA-only step; 5: batched entryCount=2 PA-only init + zero-field VA-only; 6: no-entry hVirtMemory, NV01_MEMORY_VIRTUAL (class 0x70) on the VAS at the context window + PROMOTE_CTX entryCount=0; 7: no-entry bare virtAddress+size, entryCount=0; 8: single MAIN entry like 1 on the KMD-managed channel (V6 SKIP_CTXBUFFER_ALLOC), server creates the virtual context memdesc itself; 9: same V6 channel with the stock client's zero-field VA-only MAIN entry, bInitialize=0; 10: same V6 channel, GPU_INITIALIZE_CTX (0x2080012d) installs the physical context memdesc then PROMOTE_CTX entryCount=0 bare virtAddress+size; 11: mode 10 with a server FBMEM context buffer, VIDMEM physAttr 0x4; 12: V5 UVM/vGPU-faithful PA-only MAIN entry (bInitialize=1 bNonmapped=1, no VA) and continue to BIND/SCHEDULE/submit; 13: mode 12 plus a PATCH PA-only promote first, sized from GET_ENGINE_CONTEXT_PROPERTIES engineId 0x10; 14: KMD channel (V6) + PATCH PA-only then the single-entry MAIN init+VA (the flow that books the context VA and commits ENG_CTX_VALID); 15: mode 14 with a server FBMEM MAIN context buffer and VIDMEM physAttr 0x4; 16: mode 14 plus a PM ctxsw PA-only promote first; 17: no client PROMOTE_CTX, paired with gsp_phys_srv_ctxbuf=1 so the GSP-RM server-manages and commits the context; 18: mode 8 shape plus a client FERMI_CONTEXT_SHARE_A on the TSG (hContextShare) whose construct allocates the GraphicsSubcontext; 19: the stock guest's exact 9-entry promote set (MAIN 2 MB PA+VA, PATCH, global buffers, FECS event, private access maps) on V5; 20: mode 6's no-entry hVirtMemory promote on the KMD-managed V6 channel (SKIP_CTXBUFFER_ALLOC), untested - the combination the V5 refusal (0x1f) points at; 21: mode 7's no-entry bare (virtAddress, size) promote on the V6 KMD-managed channel; 22: GPU_INITIALIZE_CTX then mode 20's no-entry hVirtMemory promote; 23: the hVirtMemory no-entry promote backed by the server-owned FBMEM context object (GSP_RM_ALLOC class 0x40) on the server-managed shared V5 channel - a physical memdesc reaches the per-buffer commit without the ADDR_VIRTUAL vaList gate; 24: the reference FWCLIENT non-3D set {MAIN, PM, PATCH, FECS_EVENT, PRIV_ACCESS_MAP, UNRESTRICTED_PRIV_ACCESS_MAP} as one control on the V6 KMD-managed channel, combined PA+VA entries where the ladder has a VA (MAIN PDB-mapped; PATCH/FECS/UNRESTRICTED booking-only), PM and PRIV_ACCESS_MAP init-only (no VA source), unsourceable buffers omitted and logged); values outside 0..24 clamp to 0 with a warning");
int gsp_phys_rmcall_gr_promote_value(void)
{