1 files changed, 161 insertions, 145 deletions

diff --git a/drivers/gpu/drm/nouveau/nouveau_chan.c b/drivers/gpu/drm/nouveau/nouveau_chan.c
index 48dea5d0c580..e648ecd0c1a0 100644
--- a/drivers/gpu/drm/nouveau/nouveau_chan.c
+++ b/drivers/gpu/drm/nouveau/nouveau_chan.c
@@ -25,12 +25,7 @@
 
 #include <nvif/class.h>
 #include <nvif/cl0002.h>
-#include <nvif/cl006b.h>
-#include <nvif/cl506f.h>
-#include <nvif/cl906f.h>
-#include <nvif/cla06f.h>
-#include <nvif/clc36f.h>
-#include <nvif/ioctl.h>
+#include <nvif/if0020.h>
 
 #include "nouveau_drv.h"
 #include "nouveau_dma.h"
@@ -46,15 +41,17 @@ int nouveau_vram_pushbuf;
 module_param_named(vram_pushbuf, nouveau_vram_pushbuf, int, 0400);
 
 static int
-nouveau_channel_killed(struct nvif_notify *ntfy)
+nouveau_channel_killed(struct nvif_event *event, void *repv, u32 repc)
 {
-	struct nouveau_channel *chan = container_of(ntfy, typeof(*chan), kill);
+	struct nouveau_channel *chan = container_of(event, typeof(*chan), kill);
 	struct nouveau_cli *cli = (void *)chan->user.client;
+
 	NV_PRINTK(warn, cli, "channel %d killed!\n", chan->chid);
 	atomic_set(&chan->killed, 1);
 	if (chan->fence)
 		nouveau_fence_context_kill(chan->fence, -ENODEV);
-	return NVIF_NOTIFY_DROP;
+
+	return NVIF_EVENT_DROP;
 }
 
 int
@@ -96,8 +93,9 @@ nouveau_channel_del(struct nouveau_channel **pchan)
 		nvif_object_dtor(&chan->nvsw);
 		nvif_object_dtor(&chan->gart);
 		nvif_object_dtor(&chan->vram);
-		nvif_notify_dtor(&chan->kill);
+		nvif_event_dtor(&chan->kill);
 		nvif_object_dtor(&chan->user);
+		nvif_mem_dtor(&chan->mem_userd);
 		nvif_object_dtor(&chan->push.ctxdma);
 		nouveau_vma_del(&chan->push.vma);
 		nouveau_bo_unmap(chan->push.buffer);
@@ -247,134 +245,113 @@ nouveau_channel_prep(struct nouveau_drm *drm, struct nvif_device *device,
 }
 
 static int
-nouveau_channel_ind(struct nouveau_drm *drm, struct nvif_device *device,
-		    u64 runlist, bool priv, struct nouveau_channel **pchan)
+nouveau_channel_ctor(struct nouveau_drm *drm, struct nvif_device *device, bool priv, u64 runm,
+		     struct nouveau_channel **pchan)
 {
-	static const u16 oclasses[] = { AMPERE_CHANNEL_GPFIFO_B,
-					TURING_CHANNEL_GPFIFO_A,
-					VOLTA_CHANNEL_GPFIFO_A,
-					PASCAL_CHANNEL_GPFIFO_A,
-					MAXWELL_CHANNEL_GPFIFO_A,
-					KEPLER_CHANNEL_GPFIFO_B,
-					KEPLER_CHANNEL_GPFIFO_A,
-					FERMI_CHANNEL_GPFIFO,
-					G82_CHANNEL_GPFIFO,
-					NV50_CHANNEL_GPFIFO,
-					0 };
-	const u16 *oclass = oclasses;
-	union {
-		struct nv50_channel_gpfifo_v0 nv50;
-		struct fermi_channel_gpfifo_v0 fermi;
-		struct kepler_channel_gpfifo_a_v0 kepler;
-		struct volta_channel_gpfifo_a_v0 volta;
+	static const struct {
+		s32 oclass;
+		int version;
+	} hosts[] = {
+		{  AMPERE_CHANNEL_GPFIFO_B, 0 },
+		{  AMPERE_CHANNEL_GPFIFO_A, 0 },
+		{  TURING_CHANNEL_GPFIFO_A, 0 },
+		{   VOLTA_CHANNEL_GPFIFO_A, 0 },
+		{  PASCAL_CHANNEL_GPFIFO_A, 0 },
+		{ MAXWELL_CHANNEL_GPFIFO_A, 0 },
+		{  KEPLER_CHANNEL_GPFIFO_B, 0 },
+		{  KEPLER_CHANNEL_GPFIFO_A, 0 },
+		{   FERMI_CHANNEL_GPFIFO  , 0 },
+		{     G82_CHANNEL_GPFIFO  , 0 },
+		{    NV50_CHANNEL_GPFIFO  , 0 },
+		{    NV40_CHANNEL_DMA     , 0 },
+		{    NV17_CHANNEL_DMA     , 0 },
+		{    NV10_CHANNEL_DMA     , 0 },
+		{    NV03_CHANNEL_DMA     , 0 },
+		{}
+	};
+	struct {
+		struct nvif_chan_v0 chan;
+		char name[TASK_COMM_LEN+16];
 	} args;
+	struct nouveau_cli *cli = (void *)device->object.client;
 	struct nouveau_channel *chan;
-	u32 size;
-	int ret;
+	const u64 plength = 0x10000;
+	const u64 ioffset = plength;
+	const u64 ilength = 0x02000;
+	char name[TASK_COMM_LEN];
+	int cid, ret;
+	u64 size;
+
+	cid = nvif_mclass(&device->object, hosts);
+	if (cid < 0)
+		return cid;
+
+	if (hosts[cid].oclass < NV50_CHANNEL_GPFIFO)
+		size = plength;
+	else
+		size = ioffset + ilength;
 
 	/* allocate dma push buffer */
-	ret = nouveau_channel_prep(drm, device, 0x12000, &chan);
+	ret = nouveau_channel_prep(drm, device, size, &chan);
 	*pchan = chan;
 	if (ret)
 		return ret;
 
 	/* create channel object */
-	do {
-		if (oclass[0] >= VOLTA_CHANNEL_GPFIFO_A) {
-			args.volta.version = 0;
-			args.volta.ilength = 0x02000;
-			args.volta.ioffset = 0x10000 + chan->push.addr;
-			args.volta.runlist = runlist;
-			args.volta.vmm = nvif_handle(&chan->vmm->vmm.object);
-			args.volta.priv = priv;
-			size = sizeof(args.volta);
-		} else
-		if (oclass[0] >= KEPLER_CHANNEL_GPFIFO_A) {
-			args.kepler.version = 0;
-			args.kepler.ilength = 0x02000;
-			args.kepler.ioffset = 0x10000 + chan->push.addr;
-			args.kepler.runlist = runlist;
-			args.kepler.vmm = nvif_handle(&chan->vmm->vmm.object);
-			args.kepler.priv = priv;
-			size = sizeof(args.kepler);
-		} else
-		if (oclass[0] >= FERMI_CHANNEL_GPFIFO) {
-			args.fermi.version = 0;
-			args.fermi.ilength = 0x02000;
-			args.fermi.ioffset = 0x10000 + chan->push.addr;
-			args.fermi.vmm = nvif_handle(&chan->vmm->vmm.object);
-			size = sizeof(args.fermi);
-		} else {
-			args.nv50.version = 0;
-			args.nv50.ilength = 0x02000;
-			args.nv50.ioffset = 0x10000 + chan->push.addr;
-			args.nv50.pushbuf = nvif_handle(&chan->push.ctxdma);
-			args.nv50.vmm = nvif_handle(&chan->vmm->vmm.object);
-			size = sizeof(args.nv50);
-		}
-
-		ret = nvif_object_ctor(&device->object, "abi16ChanUser", 0,
-				       *oclass++, &args, size, &chan->user);
-		if (ret == 0) {
-			if (chan->user.oclass >= VOLTA_CHANNEL_GPFIFO_A) {
-				chan->chid = args.volta.chid;
-				chan->inst = args.volta.inst;
-				chan->token = args.volta.token;
-			} else
-			if (chan->user.oclass >= KEPLER_CHANNEL_GPFIFO_A) {
-				chan->chid = args.kepler.chid;
-				chan->inst = args.kepler.inst;
-			} else
-			if (chan->user.oclass >= FERMI_CHANNEL_GPFIFO) {
-				chan->chid = args.fermi.chid;
-			} else {
-				chan->chid = args.nv50.chid;
-			}
+	args.chan.version = 0;
+	args.chan.namelen = sizeof(args.name);
+	args.chan.runlist = __ffs64(runm);
+	args.chan.runq = 0;
+	args.chan.priv = priv;
+	args.chan.devm = BIT(0);
+	if (hosts[cid].oclass < NV50_CHANNEL_GPFIFO) {
+		args.chan.vmm = 0;
+		args.chan.ctxdma = nvif_handle(&chan->push.ctxdma);
+		args.chan.offset = chan->push.addr;
+		args.chan.length = 0;
+	} else {
+		args.chan.vmm = nvif_handle(&chan->vmm->vmm.object);
+		if (hosts[cid].oclass < FERMI_CHANNEL_GPFIFO)
+			args.chan.ctxdma = nvif_handle(&chan->push.ctxdma);
+		else
+			args.chan.ctxdma = 0;
+		args.chan.offset = ioffset + chan->push.addr;
+		args.chan.length = ilength;
+	}
+	args.chan.huserd = 0;
+	args.chan.ouserd = 0;
+
+	/* allocate userd */
+	if (hosts[cid].oclass >= VOLTA_CHANNEL_GPFIFO_A) {
+		ret = nvif_mem_ctor(&cli->mmu, "abi16ChanUSERD", NVIF_CLASS_MEM_GF100,
+				    NVIF_MEM_VRAM | NVIF_MEM_COHERENT | NVIF_MEM_MAPPABLE,
+				    0, PAGE_SIZE, NULL, 0, &chan->mem_userd);
+		if (ret)
 			return ret;
-		}
-	} while (*oclass);
 
-	nouveau_channel_del(pchan);
-	return ret;
-}
+		args.chan.huserd = nvif_handle(&chan->mem_userd.object);
+		args.chan.ouserd = 0;
 
-static int
-nouveau_channel_dma(struct nouveau_drm *drm, struct nvif_device *device,
-		    struct nouveau_channel **pchan)
-{
-	static const u16 oclasses[] = { NV40_CHANNEL_DMA,
-					NV17_CHANNEL_DMA,
-					NV10_CHANNEL_DMA,
-					NV03_CHANNEL_DMA,
-					0 };
-	const u16 *oclass = oclasses;
-	struct nv03_channel_dma_v0 args;
-	struct nouveau_channel *chan;
-	int ret;
+		chan->userd = &chan->mem_userd.object;
+	} else {
+		chan->userd = &chan->user;
+	}
 
-	/* allocate dma push buffer */
-	ret = nouveau_channel_prep(drm, device, 0x10000, &chan);
-	*pchan = chan;
-	if (ret)
-		return ret;
+	get_task_comm(name, current);
+	snprintf(args.name, sizeof(args.name), "%s[%d]", name, task_pid_nr(current));
 
-	/* create channel object */
-	args.version = 0;
-	args.pushbuf = nvif_handle(&chan->push.ctxdma);
-	args.offset = chan->push.addr;
-
-	do {
-		ret = nvif_object_ctor(&device->object, "abi16ChanUser", 0,
-				       *oclass++, &args, sizeof(args),
-				       &chan->user);
-		if (ret == 0) {
-			chan->chid = args.chid;
-			return ret;
-		}
-	} while (ret && *oclass);
+	ret = nvif_object_ctor(&device->object, "abi16ChanUser", 0, hosts[cid].oclass,
+			       &args, sizeof(args), &chan->user);
+	if (ret) {
+		nouveau_channel_del(pchan);
+		return ret;
+	}
 
-	nouveau_channel_del(pchan);
-	return ret;
+	chan->runlist = args.chan.runlist;
+	chan->chid = args.chan.chid;
+	chan->inst = args.chan.inst;
+	chan->token = args.chan.token;
+	return 0;
 }
 
 static int
@@ -385,18 +362,24 @@ nouveau_channel_init(struct nouveau_channel *chan, u32 vram, u32 gart)
 	struct nv_dma_v0 args = {};
 	int ret, i;
 
-	ret = nvif_object_map(&chan->user, NULL, 0);
+	ret = nvif_object_map(chan->userd, NULL, 0);
 	if (ret)
 		return ret;
 
-	if (chan->user.oclass >= FERMI_CHANNEL_GPFIFO &&
-	    chan->user.oclass < AMPERE_CHANNEL_GPFIFO_B) {
-		ret = nvif_notify_ctor(&chan->user, "abi16ChanKilled",
-				       nouveau_channel_killed,
-				       true, NV906F_V0_NTFY_KILLED,
-				       NULL, 0, 0, &chan->kill);
+	if (chan->user.oclass >= FERMI_CHANNEL_GPFIFO) {
+		struct {
+			struct nvif_event_v0 base;
+			struct nvif_chan_event_v0 host;
+		} args;
+
+		args.host.version = 0;
+		args.host.type = NVIF_CHAN_EVENT_V0_KILLED;
+
+		ret = nvif_event_ctor(&chan->user, "abi16ChanKilled", chan->chid,
+				      nouveau_channel_killed, false,
+				      &args.base, sizeof(args), &chan->kill);
 		if (ret == 0)
-			ret = nvif_notify_get(&chan->kill);
+			ret = nvif_event_allow(&chan->kill);
 		if (ret) {
 			NV_ERROR(drm, "Failed to request channel kill "
 				      "notification: %d\n", ret);
@@ -503,24 +486,18 @@ nouveau_channel_init(struct nouveau_channel *chan, u32 vram, u32 gart)
 
 int
 nouveau_channel_new(struct nouveau_drm *drm, struct nvif_device *device,
-		    u32 arg0, u32 arg1, bool priv,
-		    struct nouveau_channel **pchan)
+		    bool priv, u64 runm, u32 vram, u32 gart, struct nouveau_channel **pchan)
 {
 	struct nouveau_cli *cli = (void *)device->object.client;
 	int ret;
 
-	/* hack until fencenv50 is fixed, and agp access relaxed */
-	ret = nouveau_channel_ind(drm, device, arg0, priv, pchan);
+	ret = nouveau_channel_ctor(drm, device, priv, runm, pchan);
 	if (ret) {
-		NV_PRINTK(dbg, cli, "ib channel create, %d\n", ret);
-		ret = nouveau_channel_dma(drm, device, pchan);
-		if (ret) {
-			NV_PRINTK(dbg, cli, "dma channel create, %d\n", ret);
-			return ret;
-		}
+		NV_PRINTK(dbg, cli, "channel create, %d\n", ret);
+		return ret;
 	}
 
-	ret = nouveau_channel_init(*pchan, arg0, arg1);
+	ret = nouveau_channel_init(*pchan, vram, gart);
 	if (ret) {
 		NV_PRINTK(err, cli, "channel failed to initialise, %d\n", ret);
 		nouveau_channel_del(pchan);
@@ -534,6 +511,12 @@ nouveau_channel_new(struct nouveau_drm *drm, struct nvif_device *device,
 	return ret;
 }
 
+void
+nouveau_channels_fini(struct nouveau_drm *drm)
+{
+	kfree(drm->runl);
+}
+
 int
 nouveau_channels_init(struct nouveau_drm *drm)
 {
@@ -541,20 +524,53 @@ nouveau_channels_init(struct nouveau_drm *drm)
 		struct nv_device_info_v1 m;
 		struct {
 			struct nv_device_info_v1_data channels;
+			struct nv_device_info_v1_data runlists;
 		} v;
 	} args = {
 		.m.version = 1,
 		.m.count = sizeof(args.v) / sizeof(args.v.channels),
 		.v.channels.mthd = NV_DEVICE_HOST_CHANNELS,
+		.v.runlists.mthd = NV_DEVICE_HOST_RUNLISTS,
 	};
 	struct nvif_object *device = &drm->client.device.object;
-	int ret;
+	int ret, i;
 
 	ret = nvif_object_mthd(device, NV_DEVICE_V0_INFO, &args, sizeof(args));
-	if (ret || args.v.channels.mthd == NV_DEVICE_INFO_INVALID)
+	if (ret ||
+	    args.v.runlists.mthd == NV_DEVICE_INFO_INVALID || !args.v.runlists.data ||
+	    args.v.channels.mthd == NV_DEVICE_INFO_INVALID)
 		return -ENODEV;
 
-	drm->chan.nr = args.v.channels.data;
-	drm->chan.context_base = dma_fence_context_alloc(drm->chan.nr);
+	drm->chan_nr = drm->chan_total = args.v.channels.data;
+	drm->runl_nr = fls64(args.v.runlists.data);
+	drm->runl = kcalloc(drm->runl_nr, sizeof(*drm->runl), GFP_KERNEL);
+	if (!drm->runl)
+		return -ENOMEM;
+
+	if (drm->chan_nr == 0) {
+		for (i = 0; i < drm->runl_nr; i++) {
+			if (!(args.v.runlists.data & BIT(i)))
+				continue;
+
+			args.v.channels.mthd = NV_DEVICE_HOST_RUNLIST_CHANNELS;
+			args.v.channels.data = i;
+
+			ret = nvif_object_mthd(device, NV_DEVICE_V0_INFO, &args, sizeof(args));
+			if (ret || args.v.channels.mthd == NV_DEVICE_INFO_INVALID)
+				return -ENODEV;
+
+			drm->runl[i].chan_nr = args.v.channels.data;
+			drm->runl[i].chan_id_base = drm->chan_total;
+			drm->runl[i].context_base = dma_fence_context_alloc(drm->runl[i].chan_nr);
+
+			drm->chan_total += drm->runl[i].chan_nr;
+		}
+	} else {
+		drm->runl[0].context_base = dma_fence_context_alloc(drm->chan_nr);
+		for (i = 1; i < drm->runl_nr; i++)
+			drm->runl[i].context_base = drm->runl[0].context_base;
+
+	}
+
 	return 0;
 }