X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=kernel%2Fdrivers%2Fgpu%2Fdrm%2Fnouveau%2Fnvkm%2Fengine%2Fsec%2Fg98.c;fp=kernel%2Fdrivers%2Fgpu%2Fdrm%2Fnouveau%2Fnvkm%2Fengine%2Fsec%2Fg98.c;h=9d5c1b8b1f8c3ede0c4cad1fcec795670212703a;hb=9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00;hp=0000000000000000000000000000000000000000;hpb=98260f3884f4a202f9ca5eabed40b1354c489b29;p=kvmfornfv.git

diff --git a/kernel/drivers/gpu/drm/nouveau/nvkm/engine/sec/g98.c b/kernel/drivers/gpu/drm/nouveau/nvkm/engine/sec/g98.c
new file mode 100644
index 000000000..9d5c1b8b1
--- /dev/null
+++ b/kernel/drivers/gpu/drm/nouveau/nvkm/engine/sec/g98.c
@@ -0,0 +1,149 @@
+/*
+ * Copyright 2012 Red Hat Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: Ben Skeggs
+ */
+#include <engine/sec.h>
+#include <engine/falcon.h>
+#include "fuc/g98.fuc0s.h"
+
+#include <core/client.h>
+#include <core/enum.h>
+#include <engine/fifo.h>
+
+struct g98_sec_priv {
+	struct nvkm_falcon base;
+};
+
+/*******************************************************************************
+ * Crypt object classes
+ ******************************************************************************/
+
+static struct nvkm_oclass
+g98_sec_sclass[] = {
+	{ 0x88b4, &nvkm_object_ofuncs },
+	{},
+};
+
+/*******************************************************************************
+ * PSEC context
+ ******************************************************************************/
+
+static struct nvkm_oclass
+g98_sec_cclass = {
+	.handle = NV_ENGCTX(SEC, 0x98),
+	.ofuncs = &(struct nvkm_ofuncs) {
+		.ctor = _nvkm_falcon_context_ctor,
+		.dtor = _nvkm_falcon_context_dtor,
+		.init = _nvkm_falcon_context_init,
+		.fini = _nvkm_falcon_context_fini,
+		.rd32 = _nvkm_falcon_context_rd32,
+		.wr32 = _nvkm_falcon_context_wr32,
+	},
+};
+
+/*******************************************************************************
+ * PSEC engine/subdev functions
+ ******************************************************************************/
+
+static const struct nvkm_enum g98_sec_isr_error_name[] = {
+	{ 0x0000, "ILLEGAL_MTHD" },
+	{ 0x0001, "INVALID_BITFIELD" },
+	{ 0x0002, "INVALID_ENUM" },
+	{ 0x0003, "QUERY" },
+	{}
+};
+
+static void
+g98_sec_intr(struct nvkm_subdev *subdev)
+{
+	struct nvkm_fifo *pfifo = nvkm_fifo(subdev);
+	struct nvkm_engine *engine = nv_engine(subdev);
+	struct nvkm_object *engctx;
+	struct g98_sec_priv *priv = (void *)subdev;
+	u32 disp = nv_rd32(priv, 0x08701c);
+	u32 stat = nv_rd32(priv, 0x087008) & disp & ~(disp >> 16);
+	u32 inst = nv_rd32(priv, 0x087050) & 0x3fffffff;
+	u32 ssta = nv_rd32(priv, 0x087040) & 0x0000ffff;
+	u32 addr = nv_rd32(priv, 0x087040) >> 16;
+	u32 mthd = (addr & 0x07ff) << 2;
+	u32 subc = (addr & 0x3800) >> 11;
+	u32 data = nv_rd32(priv, 0x087044);
+	int chid;
+
+	engctx = nvkm_engctx_get(engine, inst);
+	chid   = pfifo->chid(pfifo, engctx);
+
+	if (stat & 0x00000040) {
+		nv_error(priv, "DISPATCH_ERROR [");
+		nvkm_enum_print(g98_sec_isr_error_name, ssta);
+		pr_cont("] ch %d [0x%010llx %s] subc %d mthd 0x%04x data 0x%08x\n",
+		       chid, (u64)inst << 12, nvkm_client_name(engctx),
+		       subc, mthd, data);
+		nv_wr32(priv, 0x087004, 0x00000040);
+		stat &= ~0x00000040;
+	}
+
+	if (stat) {
+		nv_error(priv, "unhandled intr 0x%08x\n", stat);
+		nv_wr32(priv, 0x087004, stat);
+	}
+
+	nvkm_engctx_put(engctx);
+}
+
+static int
+g98_sec_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
+	     struct nvkm_oclass *oclass, void *data, u32 size,
+	     struct nvkm_object **pobject)
+{
+	struct g98_sec_priv *priv;
+	int ret;
+
+	ret = nvkm_falcon_create(parent, engine, oclass, 0x087000, true,
+				 "PSEC", "sec", &priv);
+	*pobject = nv_object(priv);
+	if (ret)
+		return ret;
+
+	nv_subdev(priv)->unit = 0x00004000;
+	nv_subdev(priv)->intr = g98_sec_intr;
+	nv_engine(priv)->cclass = &g98_sec_cclass;
+	nv_engine(priv)->sclass = g98_sec_sclass;
+	nv_falcon(priv)->code.data = g98_psec_code;
+	nv_falcon(priv)->code.size = sizeof(g98_psec_code);
+	nv_falcon(priv)->data.data = g98_psec_data;
+	nv_falcon(priv)->data.size = sizeof(g98_psec_data);
+	return 0;
+}
+
+struct nvkm_oclass
+g98_sec_oclass = {
+	.handle = NV_ENGINE(SEC, 0x98),
+	.ofuncs = &(struct nvkm_ofuncs) {
+		.ctor = g98_sec_ctor,
+		.dtor = _nvkm_falcon_dtor,
+		.init = _nvkm_falcon_init,
+		.fini = _nvkm_falcon_fini,
+		.rd32 = _nvkm_falcon_rd32,
+		.wr32 = _nvkm_falcon_wr32,
+	},
+};