From ee930fffee469d076998274a2ca55e13dc1efb67 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 10 May 2024 08:50:54 +0000
Subject: [PATCH] enable tun/tap/iptables
---
kernel/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogv100.c | 72 +++++++++++++++++++++++++----------
1 files changed, 51 insertions(+), 21 deletions(-)
diff --git a/kernel/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogv100.c b/kernel/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogv100.c
index 9598853..a7462cf 100644
--- a/kernel/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogv100.c
+++ b/kernel/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogv100.c
@@ -25,8 +25,14 @@
#include <core/client.h>
#include <core/gpuobj.h>
-#include <nvif/cla06f.h>
+#include <nvif/clc36f.h>
#include <nvif/unpack.h>
+
+static u32
+gv100_fifo_gpfifo_submit_token(struct nvkm_fifo_chan *chan)
+{
+ return chan->chid;
+}
static int
gv100_fifo_gpfifo_engine_valid(struct gk104_fifo_chan *chan, bool ce, bool valid)
@@ -56,7 +62,7 @@
return ret;
}
-static int
+int
gv100_fifo_gpfifo_engine_fini(struct nvkm_fifo_chan *base,
struct nvkm_engine *engine, bool suspend)
{
@@ -79,7 +85,7 @@
return ret;
}
-static int
+int
gv100_fifo_gpfifo_engine_init(struct nvkm_fifo_chan *base,
struct nvkm_engine *engine)
{
@@ -100,8 +106,8 @@
return gv100_fifo_gpfifo_engine_valid(chan, false, true);
}
-const struct nvkm_fifo_chan_func
-gv100_fifo_gpfifo_func = {
+static const struct nvkm_fifo_chan_func
+gv100_fifo_gpfifo = {
.dtor = gk104_fifo_gpfifo_dtor,
.init = gk104_fifo_gpfifo_init,
.fini = gk104_fifo_gpfifo_fini,
@@ -110,19 +116,23 @@
.engine_dtor = gk104_fifo_gpfifo_engine_dtor,
.engine_init = gv100_fifo_gpfifo_engine_init,
.engine_fini = gv100_fifo_gpfifo_engine_fini,
+ .submit_token = gv100_fifo_gpfifo_submit_token,
};
-static int
-gv100_fifo_gpfifo_new_(struct gk104_fifo *fifo, u64 *runlists, u16 *chid,
- u64 vmm, u64 ioffset, u64 ilength,
- const struct nvkm_oclass *oclass,
+int
+gv100_fifo_gpfifo_new_(const struct nvkm_fifo_chan_func *func,
+ struct gk104_fifo *fifo, u64 *runlists, u16 *chid,
+ u64 vmm, u64 ioffset, u64 ilength, u64 *inst, bool priv,
+ u32 *token, const struct nvkm_oclass *oclass,
struct nvkm_object **pobject)
{
+ struct nvkm_device *device = fifo->base.engine.subdev.device;
struct gk104_fifo_chan *chan;
int runlist = ffs(*runlists) -1, ret, i;
unsigned long engm;
u64 subdevs = 0;
- u64 usermem;
+ u64 usermem, mthd;
+ u32 size;
if (!vmm || runlist < 0 || runlist >= fifo->runlist_nr)
return -EINVAL;
@@ -142,14 +152,15 @@
chan->runl = runlist;
INIT_LIST_HEAD(&chan->head);
- ret = nvkm_fifo_chan_ctor(&gv100_fifo_gpfifo_func, &fifo->base,
- 0x1000, 0x1000, true, vmm, 0, subdevs,
- 1, fifo->user.bar->addr, 0x200,
+ ret = nvkm_fifo_chan_ctor(func, &fifo->base, 0x1000, 0x1000, true, vmm,
+ 0, subdevs, 1, fifo->user.bar->addr, 0x200,
oclass, &chan->base);
if (ret)
return ret;
*chid = chan->base.chid;
+ *inst = chan->base.inst->addr;
+ *token = chan->base.func->submit_token(&chan->base);
/* Hack to support GPUs where even individual channels should be
* part of a channel group.
@@ -173,6 +184,20 @@
nvkm_done(fifo->user.mem);
usermem = nvkm_memory_addr(fifo->user.mem) + usermem;
+ /* Allocate fault method buffer (magics come from nvgpu). */
+ size = nvkm_rd32(device, 0x104028); /* NV_PCE_PCE_MAP */
+ size = 27 * 5 * (((9 + 1 + 3) * hweight32(size)) + 2);
+ size = roundup(size, PAGE_SIZE);
+
+ ret = nvkm_memory_new(device, NVKM_MEM_TARGET_INST, size, 0x1000, true,
+ &chan->mthd);
+ if (ret)
+ return ret;
+
+ mthd = nvkm_memory_bar2(chan->mthd);
+ if (mthd == ~0ULL)
+ return -EFAULT;
+
/* RAMFC */
nvkm_kmap(chan->base.inst);
nvkm_wo32(chan->base.inst, 0x008, lower_32_bits(usermem));
@@ -184,13 +209,13 @@
(ilength << 16));
nvkm_wo32(chan->base.inst, 0x084, 0x20400000);
nvkm_wo32(chan->base.inst, 0x094, 0x30000001);
- nvkm_wo32(chan->base.inst, 0x0e4, 0x00000020);
+ nvkm_wo32(chan->base.inst, 0x0e4, priv ? 0x00000020 : 0x00000000);
nvkm_wo32(chan->base.inst, 0x0e8, chan->base.chid);
- nvkm_wo32(chan->base.inst, 0x0f4, 0x00001100);
+ nvkm_wo32(chan->base.inst, 0x0f4, 0x00001000);
nvkm_wo32(chan->base.inst, 0x0f8, 0x10003080);
nvkm_mo32(chan->base.inst, 0x218, 0x00000000, 0x00000000);
- nvkm_wo32(chan->base.inst, 0x220, 0x020a1000);
- nvkm_wo32(chan->base.inst, 0x224, 0x00000000);
+ nvkm_wo32(chan->base.inst, 0x220, lower_32_bits(mthd));
+ nvkm_wo32(chan->base.inst, 0x224, upper_32_bits(mthd));
nvkm_done(chan->base.inst);
return gv100_fifo_gpfifo_engine_valid(chan, true, true);
}
@@ -201,7 +226,7 @@
{
struct nvkm_object *parent = oclass->parent;
union {
- struct kepler_channel_gpfifo_a_v0 v0;
+ struct volta_channel_gpfifo_a_v0 v0;
} *args = data;
int ret = -ENOSYS;
@@ -209,15 +234,20 @@
if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
nvif_ioctl(parent, "create channel gpfifo vers %d vmm %llx "
"ioffset %016llx ilength %08x "
- "runlist %016llx\n",
+ "runlist %016llx priv %d\n",
args->v0.version, args->v0.vmm, args->v0.ioffset,
- args->v0.ilength, args->v0.runlist);
- return gv100_fifo_gpfifo_new_(fifo,
+ args->v0.ilength, args->v0.runlist, args->v0.priv);
+ if (args->v0.priv && !oclass->client->super)
+ return -EINVAL;
+ return gv100_fifo_gpfifo_new_(&gv100_fifo_gpfifo, fifo,
&args->v0.runlist,
&args->v0.chid,
args->v0.vmm,
args->v0.ioffset,
args->v0.ilength,
+ &args->v0.inst,
+ args->v0.priv,
+ &args->v0.token,
oclass, pobject);
}
--
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