--- /dev/null
+/*
+ * 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/cipher.h>
+#include <engine/fifo.h>
+
+#include <core/client.h>
+#include <core/engctx.h>
+#include <core/enum.h>
+
+struct g84_cipher_priv {
+ struct nvkm_engine base;
+};
+
+/*******************************************************************************
+ * Crypt object classes
+ ******************************************************************************/
+
+static int
+g84_cipher_object_ctor(struct nvkm_object *parent,
+ struct nvkm_object *engine,
+ struct nvkm_oclass *oclass, void *data, u32 size,
+ struct nvkm_object **pobject)
+{
+ struct nvkm_gpuobj *obj;
+ int ret;
+
+ ret = nvkm_gpuobj_create(parent, engine, oclass, 0, parent,
+ 16, 16, 0, &obj);
+ *pobject = nv_object(obj);
+ if (ret)
+ return ret;
+
+ nv_wo32(obj, 0x00, nv_mclass(obj));
+ nv_wo32(obj, 0x04, 0x00000000);
+ nv_wo32(obj, 0x08, 0x00000000);
+ nv_wo32(obj, 0x0c, 0x00000000);
+ return 0;
+}
+
+static struct nvkm_ofuncs
+g84_cipher_ofuncs = {
+ .ctor = g84_cipher_object_ctor,
+ .dtor = _nvkm_gpuobj_dtor,
+ .init = _nvkm_gpuobj_init,
+ .fini = _nvkm_gpuobj_fini,
+ .rd32 = _nvkm_gpuobj_rd32,
+ .wr32 = _nvkm_gpuobj_wr32,
+};
+
+static struct nvkm_oclass
+g84_cipher_sclass[] = {
+ { 0x74c1, &g84_cipher_ofuncs },
+ {}
+};
+
+/*******************************************************************************
+ * PCIPHER context
+ ******************************************************************************/
+
+static struct nvkm_oclass
+g84_cipher_cclass = {
+ .handle = NV_ENGCTX(CIPHER, 0x84),
+ .ofuncs = &(struct nvkm_ofuncs) {
+ .ctor = _nvkm_engctx_ctor,
+ .dtor = _nvkm_engctx_dtor,
+ .init = _nvkm_engctx_init,
+ .fini = _nvkm_engctx_fini,
+ .rd32 = _nvkm_engctx_rd32,
+ .wr32 = _nvkm_engctx_wr32,
+ },
+};
+
+/*******************************************************************************
+ * PCIPHER engine/subdev functions
+ ******************************************************************************/
+
+static const struct nvkm_bitfield
+g84_cipher_intr_mask[] = {
+ { 0x00000001, "INVALID_STATE" },
+ { 0x00000002, "ILLEGAL_MTHD" },
+ { 0x00000004, "ILLEGAL_CLASS" },
+ { 0x00000080, "QUERY" },
+ { 0x00000100, "FAULT" },
+ {}
+};
+
+static void
+g84_cipher_intr(struct nvkm_subdev *subdev)
+{
+ struct nvkm_fifo *pfifo = nvkm_fifo(subdev);
+ struct nvkm_engine *engine = nv_engine(subdev);
+ struct nvkm_object *engctx;
+ struct g84_cipher_priv *priv = (void *)subdev;
+ u32 stat = nv_rd32(priv, 0x102130);
+ u32 mthd = nv_rd32(priv, 0x102190);
+ u32 data = nv_rd32(priv, 0x102194);
+ u32 inst = nv_rd32(priv, 0x102188) & 0x7fffffff;
+ int chid;
+
+ engctx = nvkm_engctx_get(engine, inst);
+ chid = pfifo->chid(pfifo, engctx);
+
+ if (stat) {
+ nv_error(priv, "%s", "");
+ nvkm_bitfield_print(g84_cipher_intr_mask, stat);
+ pr_cont(" ch %d [0x%010llx %s] mthd 0x%04x data 0x%08x\n",
+ chid, (u64)inst << 12, nvkm_client_name(engctx),
+ mthd, data);
+ }
+
+ nv_wr32(priv, 0x102130, stat);
+ nv_wr32(priv, 0x10200c, 0x10);
+
+ nvkm_engctx_put(engctx);
+}
+
+static int
+g84_cipher_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
+ struct nvkm_oclass *oclass, void *data, u32 size,
+ struct nvkm_object **pobject)
+{
+ struct g84_cipher_priv *priv;
+ int ret;
+
+ ret = nvkm_engine_create(parent, engine, oclass, true,
+ "PCIPHER", "cipher", &priv);
+ *pobject = nv_object(priv);
+ if (ret)
+ return ret;
+
+ nv_subdev(priv)->unit = 0x00004000;
+ nv_subdev(priv)->intr = g84_cipher_intr;
+ nv_engine(priv)->cclass = &g84_cipher_cclass;
+ nv_engine(priv)->sclass = g84_cipher_sclass;
+ return 0;
+}
+
+static int
+g84_cipher_init(struct nvkm_object *object)
+{
+ struct g84_cipher_priv *priv = (void *)object;
+ int ret;
+
+ ret = nvkm_engine_init(&priv->base);
+ if (ret)
+ return ret;
+
+ nv_wr32(priv, 0x102130, 0xffffffff);
+ nv_wr32(priv, 0x102140, 0xffffffbf);
+ nv_wr32(priv, 0x10200c, 0x00000010);
+ return 0;
+}
+
+struct nvkm_oclass
+g84_cipher_oclass = {
+ .handle = NV_ENGINE(CIPHER, 0x84),
+ .ofuncs = &(struct nvkm_ofuncs) {
+ .ctor = g84_cipher_ctor,
+ .dtor = _nvkm_engine_dtor,
+ .init = g84_cipher_init,
+ .fini = _nvkm_engine_fini,
+ },
+};
Code Review / kvmfornfv.git / blobdiff