/*
* Virtualized GPU Graphics
*
* Copyright (c) 2014-2016, NVIDIA CORPORATION. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*/
#include "vgpu/vgpu.h"
#include "gk20a/hw_gr_gk20a.h"
#include "gk20a/dbg_gpu_gk20a.h"
static void vgpu_gr_detect_sm_arch(struct gk20a *g)
{
struct vgpu_priv_data *priv = vgpu_get_priv_data(g);
gk20a_dbg_fn("");
g->gpu_characteristics.sm_arch_sm_version =
priv->constants.sm_arch_sm_version;
g->gpu_characteristics.sm_arch_spa_version =
priv->constants.sm_arch_spa_version;
g->gpu_characteristics.sm_arch_warp_count =
priv->constants.sm_arch_warp_count;
}
static int vgpu_gr_commit_inst(struct channel_gk20a *c, u64 gpu_va)
{
struct tegra_vgpu_cmd_msg msg;
struct tegra_vgpu_ch_ctx_params *p = &msg.params.ch_ctx;
int err;
gk20a_dbg_fn("");
msg.cmd = TEGRA_VGPU_CMD_CHANNEL_COMMIT_GR_CTX;
msg.handle = vgpu_get_handle(c->g);
p->handle = c->virt_ctx;
err = vgpu_comm_sendrecv(&msg, sizeof(msg), sizeof(msg));
return (err || msg.ret) ? -1 : 0;
}
static int vgpu_gr_commit_global_ctx_buffers(struct gk20a *g,
struct channel_gk20a *c, bool patch)
{
struct tegra_vgpu_cmd_msg msg;
struct tegra_vgpu_ch_ctx_params *p = &msg.params.ch_ctx;
int err;
gk20a_dbg_fn("");
msg.cmd = TEGRA_VGPU_CMD_CHANNEL_COMMIT_GR_GLOBAL_CTX;
msg.handle = vgpu_get_handle(g);
p->handle = c->virt_ctx;
err = vgpu_comm_sendrecv(&msg, sizeof(msg), sizeof(msg));
return (err || msg.ret) ? -1 : 0;
}
/* load saved fresh copy of gloden image into channel gr_ctx */
static int vgpu_gr_load_golden_ctx_image(struct gk20a *g,
struct channel_gk20a *c)
{
struct tegra_vgpu_cmd_msg msg;
struct tegra_vgpu_ch_ctx_params *p = &msg.params.ch_ctx;
int err;
gk20a_dbg_fn("");
msg.cmd = TEGRA_VGPU_CMD_CHANNEL_LOAD_GR_GOLDEN_CTX;
msg.handle = vgpu_get_handle(g);
p->handle = c->virt_ctx;
err = vgpu_comm_sendrecv(&msg, sizeof(msg), sizeof(msg));
return (err || msg.ret) ? -1 : 0;
}
int vgpu_gr_init_ctx_state(struct gk20a *g)
{
struct gr_gk20a *gr = &g->gr;
struct vgpu_priv_data *priv = vgpu_get_priv_data(g);
gk20a_dbg_fn("");
g->gr.ctx_vars.golden_image_size = priv->constants.golden_ctx_size;
g->gr.ctx_vars.zcull_ctxsw_image_size = priv->constants.zcull_ctx_size;
g->gr.ctx_vars.pm_ctxsw_image_size = priv->constants.hwpm_ctx_size;
if (!g->gr.ctx_vars.golden_image_size ||
!g->gr.ctx_vars.zcull_ctxsw_image_size ||
!g->gr.ctx_vars.pm_ctxsw_image_size)
return -ENXIO;
gr->ctx_vars.buffer_size = g->gr.ctx_vars.golden_image_size;
g->gr.ctx_vars.priv_access_map_size = 512 * 1024;
return 0;
}
static int vgpu_gr_alloc_global_ctx_buffers(struct gk20a *g)
{
struct gr_gk20a *gr = &g->gr;
int attr_buffer_size;
u32 cb_buffer_size = gr->bundle_cb_default_size *
gr_scc_bundle_cb_size_div_256b_byte_granularity_v();
u32 pagepool_buffer_size = g->ops.gr.pagepool_default_size(g) *
gr_scc_pagepool_total_pages_byte_granularity_v();
gk20a_dbg_fn("");
attr_buffer_size = g->ops.gr.calc_global_ctx_buffer_size(g);
gk20a_dbg_info("cb_buffer_size : %d", cb_buffer_size);
gr->global_ctx_buffer[CIRCULAR].mem.size = cb_buffer_size;
gk20a_dbg_info("pagepool_buffer_size : %d", pagepool_buffer_size);
gr->global_ctx_buffer[PAGEPOOL].mem.size = pagepool_buffer_size;
gk20a_dbg_info("attr_buffer_size : %d", attr_buffer_size);
gr->global_ctx_buffer[ATTRIBUTE].mem.size = attr_buffer_size;
gk20a_dbg_info("priv access map size : %d",
gr->ctx_vars.priv_access_map_size);
gr->global_ctx_buffer[PRIV_ACCESS_MAP].mem.size =
gr->ctx_vars.priv_access_map_size;
return 0;
}
static int vgpu_gr_map_global_ctx_buffers(struct gk20a *g,
struct channel_gk20a *c)
{
struct tegra_vgpu_cmd_msg msg;
struct tegra_vgpu_ch_ctx_params *p = &msg.params.ch_ctx;
struct vm_gk20a *ch_vm = c->vm;
u64 *g_bfr_va = c->ch_ctx.global_ctx_buffer_va;
u64 *g_bfr_size = c->ch_ctx.global_ctx_buffer_size;
struct gr_gk20a *gr = &g->gr;
u64 gpu_va;
u32 i;
int err;
gk20a_dbg_fn("");
/* FIXME: add VPR support */
/* Circular Buffer */
gpu_va = gk20a_vm_alloc_va(ch_vm,
gr->global_ctx_buffer[CIRCULAR].mem.size,
gmmu_page_size_kernel);
if (!gpu_va)
goto clean_up;
g_bfr_va[CIRCULAR_VA] = gpu_va;
g_bfr_size[CIRCULAR_VA] = gr->global_ctx_buffer[CIRCULAR].mem.size;
/* Attribute Buffer */
gpu_va = gk20a_vm_alloc_va(ch_vm,
gr->global_ctx_buffer[ATTRIBUTE].mem.size,
gmmu_page_size_kernel);
if (!gpu_va)
goto clean_up;
g_bfr_va[ATTRIBUTE_VA] = gpu_va;
g_bfr_size[ATTRIBUTE_VA] = gr->global_ctx_buffer[ATTRIBUTE].mem.size;
/* Page Pool */
gpu_va = gk20a_vm_alloc_va(ch_vm,
gr->global_ctx_buffer[PAGEPOOL].mem.size,
gmmu_page_size_kernel);
if (!gpu_va)
goto clean_up;
g_bfr_va[PAGEPOOL_VA] = gpu_va;
g_bfr_size[PAGEPOOL_VA] = gr->global_ctx_buffer[PAGEPOOL].mem.size;
/* Priv register Access Map */
gpu_va = gk20a_vm_alloc_va(ch_vm,
gr->global_ctx_buffer[PRIV_ACCESS_MAP].mem.size,
gmmu_page_size_kernel);
if (!gpu_va)
goto clean_up;
g_bfr_va[PRIV_ACCESS_MAP_VA] = gpu_va;
g_bfr_size[PRIV_ACCESS_MAP_VA] =
gr->global_ctx_buffer[PRIV_ACCESS_MAP].mem.size;
msg.cmd = TEGRA_VGPU_CMD_CHANNEL_MAP_GR_GLOBAL_CTX;
msg.handle = vgpu_get_handle(g);
p->handle = c->virt_ctx;
p->cb_va = g_bfr_va[CIRCULAR_VA];
p->attr_va = g_bfr_va[ATTRIBUTE_VA];
p->page_pool_va = g_bfr_va[PAGEPOOL_VA];
p->priv_access_map_va = g_bfr_va[PRIV_ACCESS_MAP_VA];
err = vgpu_comm_sendrecv(&msg, sizeof(msg), sizeof(msg));
if (err || msg.ret)
goto clean_up;
c->ch_ctx.global_ctx_buffer_mapped = true;
return 0;
clean_up:
for (i = 0; i < NR_GLOBAL_CTX_BUF_VA; i++) {
if (g_bfr_va[i]) {
gk20a_vm_free_va(ch_vm, g_bfr_va[i],
g_bfr_size[i], 0);
g_bfr_va[i] = 0;
}
}
return -ENOMEM;
}
static void vgpu_gr_unmap_global_ctx_buffers(struct channel_gk20a *c)
{
struct vm_gk20a *ch_vm = c->vm;
u64 *g_bfr_va = c->ch_ctx.global_ctx_buffer_va;
u64 *g_bfr_size = c->ch_ctx.global_ctx_buffer_size;
u32 i;
gk20a_dbg_fn("");
if (c->ch_ctx.global_ctx_buffer_mapped) {
struct tegra_vgpu_cmd_msg msg;
struct tegra_vgpu_ch_ctx_params *p = &msg.params.ch_ctx;
int err;
msg.cmd = TEGRA_VGPU_CMD_CHANNEL_UNMAP_GR_GLOBAL_CTX;
msg.handle = vgpu_get_handle(c->g);
p->handle = c->virt_ctx;
err = vgpu_comm_sendrecv(&msg, sizeof(msg), sizeof(msg));
WARN_ON(err || msg.ret);
}
for (i = 0; i < NR_GLOBAL_CTX_BUF_VA; i++) {
if (g_bfr_va[i]) {
gk20a_vm_free_va(ch_vm, g_bfr_va[i], g_bfr_size[i], 0);
g_bfr_va[i] = 0;
g_bfr_size[i] = 0;
}
}
c->ch_ctx.global_ctx_buffer_mapped = false;
}
int vgpu_gr_alloc_gr_ctx(struct gk20a *g,
struct gr_ctx_desc **__gr_ctx,
struct vm_gk20a *vm,
u32 class,
u32 flags)
{
struct tegra_vgpu_cmd_msg msg = {0};
struct tegra_vgpu_gr_ctx_params *p = &msg.params.gr_ctx;
struct gr_gk20a *gr = &g->gr;
struct gr_ctx_desc *gr_ctx;
int err;
gk20a_dbg_fn("");
if (gr->ctx_vars.buffer_size == 0)
return 0;
/* alloc channel gr ctx buffer */
gr->ctx_vars.buffer_size = gr->ctx_vars.golden_image_size;
gr->ctx_vars.buffer_total_size = gr->ctx_vars.golden_image_size;
gr_ctx = kzalloc(sizeof(*gr_ctx), GFP_KERNEL);
if (!gr_ctx)
return -ENOMEM;
gr_ctx->mem.size = gr->ctx_vars.buffer_total_size;
gr_ctx->mem.gpu_va = gk20a_vm_alloc_va(vm,
gr_ctx->mem.size,
gmmu_page_size_kernel);
if (!gr_ctx->mem.gpu_va) {
kfree(gr_ctx);
return -ENOMEM;
}
msg.cmd = TEGRA_VGPU_CMD_GR_CTX_ALLOC;
msg.handle = vgpu_get_handle(g);
p->as_handle = vm->handle;
p->gr_ctx_va = gr_ctx->mem.gpu_va;
p->class_num = class;
err = vgpu_comm_sendrecv(&msg, sizeof(msg), sizeof(msg));
err = err ? err : msg.ret;
if (unlikely(err)) {
gk20a_err(dev_from_gk20a(g), "fail to alloc gr_ctx");
gk20a_vm_free_va(vm, gr_ctx->mem.gpu_va,
gr_ctx->mem.size, 0);
kfree(gr_ctx);
} else {
gr_ctx->virt_ctx = p->gr_ctx_handle;
*__gr_ctx = gr_ctx;
}
return err;
}
void vgpu_gr_free_gr_ctx(struct gk20a *g, struct vm_gk20a *vm,
struct gr_ctx_desc *gr_ctx)
{
gk20a_dbg_fn("");
if (gr_ctx && gr_ctx->mem.gpu_va) {
struct tegra_vgpu_cmd_msg msg;
struct tegra_vgpu_gr_ctx_params *p = &msg.params.gr_ctx;
int err;
msg.cmd = TEGRA_VGPU_CMD_GR_CTX_FREE;
msg.handle = vgpu_get_handle(g);
p->gr_ctx_handle = gr_ctx->virt_ctx;
err = vgpu_comm_sendrecv(&msg, sizeof(msg), sizeof(msg));
WARN_ON(err || msg.ret);
gk20a_vm_free_va(vm, gr_ctx->mem.gpu_va, gr_ctx->mem.size, 0);
kfree(gr_ctx);
}
}
static void vgpu_gr_free_channel_gr_ctx(struct channel_gk20a *c)
{
gk20a_dbg_fn("");
c->g->ops.gr.free_gr_ctx(c->g, c->vm, c->ch_ctx.gr_ctx);
c->ch_ctx.gr_ctx = NULL;
}
static int vgpu_gr_alloc_channel_patch_ctx(struct gk20a *g,
struct channel_gk20a *c)
{
struct patch_desc *patch_ctx = &c->ch_ctx.patch_ctx;
struct vm_gk20a *ch_vm = c->vm;
struct tegra_vgpu_cmd_msg msg;
struct tegra_vgpu_ch_ctx_params *p = &msg.params.ch_ctx;
int err;
gk20a_dbg_fn("");
patch_ctx->mem.size = 128 * sizeof(u32);
patch_ctx->mem.gpu_va = gk20a_vm_alloc_va(ch_vm,
patch_ctx->mem.size,
gmmu_page_size_kernel);
if (!patch_ctx->mem.gpu_va)
return -ENOMEM;
msg.cmd = TEGRA_VGPU_CMD_CHANNEL_ALLOC_GR_PATCH_CTX;
msg.handle = vgpu_get_handle(g);
p->handle = c->virt_ctx;
p->patch_ctx_va = patch_ctx->mem.gpu_va;
err = vgpu_comm_sendrecv(&msg, sizeof(msg), sizeof(msg));
if (err || msg.ret) {
gk20a_vm_free_va(ch_vm, patch_ctx->mem.gpu_va,
patch_ctx->mem.size, 0);
err = -ENOMEM;
}
return err;
}
static void vgpu_gr_free_channel_patch_ctx(struct channel_gk20a *c)
{
struct patch_desc *patch_ctx = &c->ch_ctx.patch_ctx;
struct vm_gk20a *ch_vm = c->vm;
gk20a_dbg_fn("");
if (patch_ctx->mem.gpu_va) {
struct tegra_vgpu_cmd_msg msg;
struct tegra_vgpu_ch_ctx_params *p = &msg.params.ch_ctx;
int err;
msg.cmd = TEGRA_VGPU_CMD_CHANNEL_FREE_GR_PATCH_CTX;
msg.handle = vgpu_get_handle(c->g);
p->handle = c->virt_ctx;
err = vgpu_comm_sendrecv(&msg, sizeof(msg), sizeof(msg));
WARN_ON(err || msg.ret);
gk20a_vm_free_va(ch_vm, patch_ctx->mem.gpu_va,
patch_ctx->mem.size, 0);
patch_ctx->mem.gpu_va = 0;
}
}
static void vgpu_gr_free_channel_pm_ctx(struct channel_gk20a *c)
{
struct tegra_vgpu_cmd_msg msg;
struct tegra_vgpu_channel_free_hwpm_ctx *p = &msg.params.free_hwpm_ctx;
struct channel_ctx_gk20a *ch_ctx = &c->ch_ctx;
struct pm_ctx_desc *pm_ctx = &ch_ctx->pm_ctx;
int err;
gk20a_dbg_fn("");
/* check if hwpm was ever initialized. If not, nothing to do */
if (pm_ctx->mem.gpu_va == 0)
return;
msg.cmd = TEGRA_VGPU_CMD_CHANNEL_FREE_HWPM_CTX;
msg.handle = vgpu_get_handle(c->g);
p->handle = c->virt_ctx;
err = vgpu_comm_sendrecv(&msg, sizeof(msg), sizeof(msg));
WARN_ON(err || msg.ret);
gk20a_vm_free_va(c->vm, pm_ctx->mem.gpu_va, pm_ctx->mem.size, 0);
pm_ctx->mem.gpu_va = 0;
}
static void vgpu_gr_free_channel_ctx(struct channel_gk20a *c)
{
gk20a_dbg_fn("");
vgpu_gr_unmap_global_ctx_buffers(c);
vgpu_gr_free_channel_patch_ctx(c);
vgpu_gr_free_channel_pm_ctx(c);
if (!gk20a_is_channel_marked_as_tsg(c))
vgpu_gr_free_channel_gr_ctx(c);
/* zcull_ctx, pm_ctx */
memset(&c->ch_ctx, 0, sizeof(struct channel_ctx_gk20a));
c->num_objects = 0;
c->first_init = false;
}
static int vgpu_gr_ch_bind_gr_ctx(struct channel_gk20a *c)
{
struct gr_ctx_desc *gr_ctx = c->ch_ctx.gr_ctx;
struct tegra_vgpu_cmd_msg msg = {0};
struct tegra_vgpu_channel_bind_gr_ctx_params *p =
&msg.params.ch_bind_gr_ctx;
int err;
msg.cmd = TEGRA_VGPU_CMD_CHANNEL_BIND_GR_CTX;
msg.handle = vgpu_get_handle(c->g);
p->ch_handle = c->virt_ctx;
p->gr_ctx_handle = gr_ctx->virt_ctx;
err = vgpu_comm_sendrecv(&msg, sizeof(msg), sizeof(msg));
err = err ? err : msg.ret;
WARN_ON(err);
return err;
}
static int vgpu_gr_tsg_bind_gr_ctx(struct tsg_gk20a *tsg)
{
struct gr_ctx_desc *gr_ctx = tsg->tsg_gr_ctx;
struct tegra_vgpu_cmd_msg msg = {0};
struct tegra_vgpu_tsg_bind_gr_ctx_params *p =
&msg.params.tsg_bind_gr_ctx;
int err;
msg.cmd = TEGRA_VGPU_CMD_TSG_BIND_GR_CTX;
msg.handle = vgpu_get_handle(tsg->g);
p->tsg_id = tsg->tsgid;
p->gr_ctx_handle = gr_ctx->virt_ctx;
err = vgpu_comm_sendrecv(&msg, sizeof(msg), sizeof(msg));
err = err ? err : msg.ret;
WARN_ON(err);
return err;
}
static int vgpu_gr_alloc_obj_ctx(struct channel_gk20a *c,
struct nvgpu_alloc_obj_ctx_args *args)
{
struct gk20a *g = c->g;
struct fifo_gk20a *f = &g->fifo;
struct channel_ctx_gk20a *ch_ctx = &c->ch_ctx;
struct tsg_gk20a *tsg = NULL;
int err = 0;
gk20a_dbg_fn("");
/* an address space needs to have been bound at this point.*/
if (!gk20a_channel_as_bound(c)) {
gk20a_err(dev_from_gk20a(g),
"not bound to address space at time"
" of grctx allocation");
return -EINVAL;
}
if (!g->ops.gr.is_valid_class(g, args->class_num)) {
gk20a_err(dev_from_gk20a(g),
"invalid obj class 0x%x", args->class_num);
err = -EINVAL;
goto out;
}
c->obj_class = args->class_num;
if (gk20a_is_channel_marked_as_tsg(c))
tsg = &f->tsg[c->tsgid];
if (!tsg) {
/* allocate gr ctx buffer */
if (!ch_ctx->gr_ctx) {
err = g->ops.gr.alloc_gr_ctx(g, &c->ch_ctx.gr_ctx,
c->vm,
args->class_num,
args->flags);
if (!err)
err = vgpu_gr_ch_bind_gr_ctx(c);
if (err) {
gk20a_err(dev_from_gk20a(g),
"fail to allocate gr ctx buffer");
goto out;
}
} else {
/*TBD: needs to be more subtle about which is
* being allocated as some are allowed to be
* allocated along same channel */
gk20a_err(dev_from_gk20a(g),
"too many classes alloc'd on same channel");
err = -EINVAL;
goto out;
}
} else {
if (!tsg->tsg_gr_ctx) {
tsg->vm = c->vm;
gk20a_vm_get(tsg->vm);
err = g->ops.gr.alloc_gr_ctx(g, &tsg->tsg_gr_ctx,
c->vm,
args->class_num,
args->flags);
if (!err)
err = vgpu_gr_tsg_bind_gr_ctx(tsg);
if (err) {
gk20a_err(dev_from_gk20a(g),
"fail to allocate TSG gr ctx buffer, err=%d", err);
gk20a_vm_put(tsg->vm);
tsg->vm = NULL;
goto out;
}
}
ch_ctx->gr_ctx = tsg->tsg_gr_ctx;
err = vgpu_gr_ch_bind_gr_ctx(c);
if (err) {
gk20a_err(dev_from_gk20a(g),
"fail to bind gr ctx buffer");
goto out;
}
}
/* commit gr ctx buffer */
err = vgpu_gr_commit_inst(c, ch_ctx->gr_ctx->mem.gpu_va);
if (err) {
gk20a_err(dev_from_gk20a(g),
"fail to commit gr ctx buffer");
goto out;
}
/* allocate patch buffer */
if (ch_ctx->patch_ctx.mem.pages == NULL) {
err = vgpu_gr_alloc_channel_patch_ctx(g, c);
if (err) {
gk20a_err(dev_from_gk20a(g),
"fail to allocate patch buffer");
goto out;
}
}
/* map global buffer to channel gpu_va and commit */
if (!ch_ctx->global_ctx_buffer_mapped) {
err = vgpu_gr_map_global_ctx_buffers(g, c);
if (err) {
gk20a_err(dev_from_gk20a(g),
"fail to map global ctx buffer");
goto out;
}
gr_gk20a_elpg_protected_call(g,
vgpu_gr_commit_global_ctx_buffers(g, c, true));
}
/* load golden image */
if (!c->first_init) {
err = gr_gk20a_elpg_protected_call(g,
vgpu_gr_load_golden_ctx_image(g, c));
if (err) {
gk20a_err(dev_from_gk20a(g),
"fail to load golden ctx image");
goto out;
}
c->first_init = true;
}
c->num_objects++;
gk20a_dbg_fn("done");
return 0;
out:
/* 1. gr_ctx, patch_ctx and global ctx buffer mapping
can be reused so no need to release them.
2. golden image load is a one time thing so if
they pass, no need to undo. */
gk20a_err(dev_from_gk20a(g), "fail");
return err;
}
static int vgpu_gr_free_obj_ctx(struct channel_gk20a *c,
struct nvgpu_free_obj_ctx_args *args)
{
gk20a_dbg_fn("");
if (c->num_objects == 0)
return 0;
c->num_objects--;
if (c->num_objects == 0) {
c->first_init = false;
gk20a_disable_channel(c);
}
return 0;
}
static int vgpu_gr_init_gr_config(struct gk20a *g, struct gr_gk20a *gr)
{
struct vgpu_priv_data *priv = vgpu_get_priv_data(g);
u32 gpc_index;
gk20a_dbg_fn("");
gr->max_gpc_count = priv->constants.max_gpc_count;
gr->gpc_count = priv->constants.gpc_count;
gr->max_tpc_per_gpc_count = priv->constants.max_tpc_per_gpc_count;
gr->max_tpc_count = gr->max_gpc_count * gr->max_tpc_per_gpc_count;
gr->gpc_tpc_count = kzalloc(gr->gpc_count * sizeof(u32), GFP_KERNEL);
if (!gr->gpc_tpc_count)
goto cleanup;
gr->gpc_tpc_mask = kzalloc(gr->gpc_count * sizeof(u32), GFP_KERNEL);
if (!gr->gpc_tpc_mask)
goto cleanup;
gr->sm_to_cluster = kzalloc(gr->gpc_count * gr->max_tpc_per_gpc_count *
sizeof(struct sm_info), GFP_KERNEL);
if (!gr->sm_to_cluster)
goto cleanup;
gr->tpc_count = 0;
for (gpc_index = 0; gpc_index < gr->gpc_count; gpc_index++) {
gr->gpc_tpc_count[gpc_index] =
priv->constants.gpc_tpc_count[gpc_index];
gr->tpc_count += gr->gpc_tpc_count[gpc_index];
if (g->ops.gr.get_gpc_tpc_mask)
gr->gpc_tpc_mask[gpc_index] =
g->ops.gr.get_gpc_tpc_mask(g, gpc_index);
}
g->ops.gr.bundle_cb_defaults(g);
g->ops.gr.cb_size_default(g);
g->ops.gr.calc_global_ctx_buffer_size(g);
g->ops.gr.init_fs_state(g);
return 0;
cleanup:
gk20a_err(dev_from_gk20a(g), "%s: out of memory", __func__);
kfree(gr->gpc_tpc_count);
gr->gpc_tpc_count = NULL;
kfree(gr->gpc_tpc_mask);
gr->gpc_tpc_mask = NULL;
return -ENOMEM;
}
static int vgpu_gr_bind_ctxsw_zcull(struct gk20a *g, struct gr_gk20a *gr,
struct channel_gk20a *c, u64 zcull_va,
u32 mode)
{
struct tegra_vgpu_cmd_msg msg;
struct tegra_vgpu_zcull_bind_params *p = &msg.params.zcull_bind;
int err;
gk20a_dbg_fn("");
msg.cmd = TEGRA_VGPU_CMD_CHANNEL_BIND_ZCULL;
msg.handle = vgpu_get_handle(g);
p->handle = c->virt_ctx;
p->zcull_va = zcull_va;
p->mode = mode;
err = vgpu_comm_sendrecv(&msg, sizeof(msg), sizeof(msg));
return (err || msg.ret) ? -ENOMEM : 0;
}
static int vgpu_gr_get_zcull_info(struct gk20a *g, struct gr_gk20a *gr,
struct gr_zcull_info *zcull_params)
{
struct tegra_vgpu_cmd_msg msg;
struct tegra_vgpu_zcull_info_params *p = &msg.params.zcull_info;
int err;
gk20a_dbg_fn("");
msg.cmd = TEGRA_VGPU_CMD_GET_ZCULL_INFO;
msg.handle = vgpu_get_handle(g);
err = vgpu_comm_sendrecv(&msg, sizeof(msg), sizeof(msg));
if (err || msg.ret)
return -ENOMEM;
zcull_params->width_align_pixels = p->width_align_pixels;
zcull_params->height_align_pixels = p->height_align_pixels;
zcull_params->pixel_squares_by_aliquots = p->pixel_squares_by_aliquots;
zcull_params->aliquot_total = p->aliquot_total;
zcull_params->region_byte_multiplier = p->region_byte_multiplier;
zcull_params->region_header_size = p->region_header_size;
zcull_params->subregion_header_size = p->subregion_header_size;
zcull_params->subregion_width_align_pixels =
p->subregion_width_align_pixels;
zcull_params->subregion_height_align_pixels =
p->subregion_height_align_pixels;
zcull_params->subregion_count = p->subregion_count;
return 0;
}
static u32 vgpu_gr_get_gpc_tpc_mask(struct gk20a *g, u32 gpc_index)
{
struct vgpu_priv_data *priv = vgpu_get_priv_data(g);
return priv->constants.gpc_tpc_mask[gpc_index];
}
static u32 vgpu_gr_get_max_fbps_count(struct gk20a *g)
{
struct vgpu_priv_data *priv = vgpu_get_priv_data(g);
gk20a_dbg_fn("");
return priv->constants.num_fbps;
}
static u32 vgpu_gr_get_fbp_en_mask(struct gk20a *g)
{
struct vgpu_priv_data *priv = vgpu_get_priv_data(g);
gk20a_dbg_fn("");
return priv->constants.fbp_en_mask;
}
static u32 vgpu_gr_get_max_ltc_per_fbp(struct gk20a *g)
{
struct vgpu_priv_data *priv = vgpu_get_priv_data(g);
gk20a_dbg_fn("");
return priv->constants.ltc_per_fbp;
}
static u32 vgpu_gr_get_max_lts_per_ltc(struct gk20a *g)
{
struct vgpu_priv_data *priv = vgpu_get_priv_data(g);
gk20a_dbg_fn("");
return priv->constants.max_lts_per_ltc;
}
static u32 *vgpu_gr_rop_l2_en_mask(struct gk20a *g)
{
/* no one use it yet */
return NULL;
}
static int vgpu_gr_add_zbc(struct gk20a *g, struct gr_gk20a *gr,
struct zbc_entry *zbc_val)
{
struct tegra_vgpu_cmd_msg msg = {0};
struct tegra_vgpu_zbc_set_table_params *p = &msg.params.zbc_set_table;
int err;
gk20a_dbg_fn("");
msg.cmd = TEGRA_VGPU_CMD_ZBC_SET_TABLE;
msg.handle = vgpu_get_handle(g);
p->type = zbc_val->type;
p->format = zbc_val->format;
switch (p->type) {
case GK20A_ZBC_TYPE_COLOR:
memcpy(p->color_ds, zbc_val->color_ds, sizeof(p->color_ds));
memcpy(p->color_l2, zbc_val->color_l2, sizeof(p->color_l2));
break;
case GK20A_ZBC_TYPE_DEPTH:
p->depth = zbc_val->depth;
break;
default:
return -EINVAL;
}
err = vgpu_comm_sendrecv(&msg, sizeof(msg), sizeof(msg));
return (err || msg.ret) ? -ENOMEM : 0;
}
static int vgpu_gr_query_zbc(struct gk20a *g, struct gr_gk20a *gr,
struct zbc_query_params *query_params)
{
struct tegra_vgpu_cmd_msg msg = {0};
struct tegra_vgpu_zbc_query_table_params *p =
&msg.params.zbc_query_table;
int err;
gk20a_dbg_fn("");
msg.cmd = TEGRA_VGPU_CMD_ZBC_QUERY_TABLE;
msg.handle = vgpu_get_handle(g);
p->type = query_params->type;
p->index_size = query_params->index_size;
err = vgpu_comm_sendrecv(&msg, sizeof(msg), sizeof(msg));
if (err || msg.ret)
return -ENOMEM;
switch (query_params->type) {
case GK20A_ZBC_TYPE_COLOR:
memcpy(query_params->color_ds, p->color_ds,
sizeof(query_params->color_ds));
memcpy(query_params->color_l2, p->color_l2,
sizeof(query_params->color_l2));
break;
case GK20A_ZBC_TYPE_DEPTH:
query_params->depth = p->depth;
break;
case GK20A_ZBC_TYPE_INVALID:
query_params->index_size = p->index_size;
break;
default:
return -EINVAL;
}
query_params->ref_cnt = p->ref_cnt;
query_params->format = p->format;
return 0;
}
static void vgpu_remove_gr_support(struct gr_gk20a *gr)
{
gk20a_dbg_fn("");
gk20a_comptag_allocator_destroy(&gr->comp_tags);
kfree(gr->gpc_tpc_mask);
gr->gpc_tpc_mask = NULL;
kfree(gr->sm_to_cluster);
gr->sm_to_cluster = NULL;
kfree(gr->gpc_tpc_count);
gr->gpc_tpc_count = NULL;
}
static int vgpu_gr_init_gr_setup_sw(struct gk20a *g)
{
struct gr_gk20a *gr = &g->gr;
int err;
gk20a_dbg_fn("");
if (gr->sw_ready) {
gk20a_dbg_fn("skip init");
return 0;
}
gr->g = g;
#if defined(CONFIG_GK20A_CYCLE_STATS)
mutex_init(&g->gr.cs_lock);
#endif
err = vgpu_gr_init_gr_config(g, gr);
if (err)
goto clean_up;
err = g->ops.gr.init_ctx_state(g);
if (err)
goto clean_up;
err = g->ops.ltc.init_comptags(g, gr);
if (err)
goto clean_up;
err = vgpu_gr_alloc_global_ctx_buffers(g);
if (err)
goto clean_up;
mutex_init(&gr->ctx_mutex);
gr->remove_support = vgpu_remove_gr_support;
gr->sw_ready = true;
gk20a_dbg_fn("done");
return 0;
clean_up:
gk20a_err(dev_from_gk20a(g), "fail");
vgpu_remove_gr_support(gr);
return err;
}
int vgpu_init_gr_support(struct gk20a *g)
{
gk20a_dbg_fn("");
return vgpu_gr_init_gr_setup_sw(g);
}
int vgpu_gr_isr(struct gk20a *g, struct tegra_vgpu_gr_intr_info *info)
{
struct fifo_gk20a *f = &g->fifo;
struct channel_gk20a *ch = gk20a_channel_get(&f->channel[info->chid]);
gk20a_dbg_fn("");
if (!ch)
return 0;
if (info->type != TEGRA_VGPU_GR_INTR_NOTIFY &&
info->type != TEGRA_VGPU_GR_INTR_SEMAPHORE)
gk20a_err(dev_from_gk20a(g), "gr intr (%d) on ch %u",
info->type, info->chid);
switch (info->type) {
case TEGRA_VGPU_GR_INTR_NOTIFY:
wake_up(&ch->notifier_wq);
break;
case TEGRA_VGPU_GR_INTR_SEMAPHORE:
wake_up_interruptible_all(&ch->semaphore_wq);
break;
case TEGRA_VGPU_GR_INTR_SEMAPHORE_TIMEOUT:
gk20a_set_error_notifier(ch,
NVGPU_CHANNEL_GR_SEMAPHORE_TIMEOUT);
break;
case TEGRA_VGPU_GR_INTR_ILLEGAL_NOTIFY:
gk20a_set_error_notifier(ch,
NVGPU_CHANNEL_GR_ILLEGAL_NOTIFY);
case TEGRA_VGPU_GR_INTR_ILLEGAL_METHOD:
break;
case TEGRA_VGPU_GR_INTR_ILLEGAL_CLASS:
gk20a_set_error_notifier(ch,
NVGPU_CHANNEL_GR_ERROR_SW_NOTIFY);
break;
case TEGRA_VGPU_GR_INTR_FECS_ERROR:
break;
case TEGRA_VGPU_GR_INTR_CLASS_ERROR:
gk20a_set_error_notifier(ch,
NVGPU_CHANNEL_GR_ERROR_SW_NOTIFY);
break;
case TEGRA_VGPU_GR_INTR_FIRMWARE_METHOD:
gk20a_set_error_notifier(ch,
NVGPU_CHANNEL_GR_ERROR_SW_NOTIFY);
break;
case TEGRA_VGPU_GR_INTR_EXCEPTION:
gk20a_set_error_notifier(ch,
NVGPU_CHANNEL_GR_ERROR_SW_NOTIFY);
break;
case TEGRA_VGPU_GR_INTR_SM_EXCEPTION:
gk20a_dbg_gpu_post_events(ch);
break;
default:
WARN_ON(1);
break;
}
gk20a_channel_put(ch);
return 0;
}
int vgpu_gr_nonstall_isr(struct gk20a *g,
struct tegra_vgpu_gr_nonstall_intr_info *info)
{
gk20a_dbg_fn("");
switch (info->type) {
case TEGRA_VGPU_GR_NONSTALL_INTR_SEMAPHORE:
gk20a_channel_semaphore_wakeup(g, true);
break;
default:
WARN_ON(1);
break;
}
return 0;
}
static int vgpu_gr_set_sm_debug_mode(struct gk20a *g,
struct channel_gk20a *ch, u64 sms, bool enable)
{
struct tegra_vgpu_cmd_msg msg;
struct tegra_vgpu_sm_debug_mode *p = &msg.params.sm_debug_mode;
int err;
gk20a_dbg_fn("");
msg.cmd = TEGRA_VGPU_CMD_SET_SM_DEBUG_MODE;
msg.handle = vgpu_get_handle(g);
p->handle = ch->virt_ctx;
p->sms = sms;
p->enable = (u32)enable;
err = vgpu_comm_sendrecv(&msg, sizeof(msg), sizeof(msg));
WARN_ON(err || msg.ret);
return err ? err : msg.ret;
}
static int vgpu_gr_update_smpc_ctxsw_mode(struct gk20a *g,
struct channel_gk20a *ch, bool enable)
{
struct tegra_vgpu_cmd_msg msg;
struct tegra_vgpu_channel_set_ctxsw_mode *p = &msg.params.set_ctxsw_mode;
int err;
gk20a_dbg_fn("");
msg.cmd = TEGRA_VGPU_CMD_CHANNEL_SET_SMPC_CTXSW_MODE;
msg.handle = vgpu_get_handle(g);
p->handle = ch->virt_ctx;
if (enable)
p->mode = TEGRA_VGPU_CTXSW_MODE_CTXSW;
else
p->mode = TEGRA_VGPU_CTXSW_MODE_NO_CTXSW;
err = vgpu_comm_sendrecv(&msg, sizeof(msg), sizeof(msg));
WARN_ON(err || msg.ret);
return err ? err : msg.ret;
}
static int vgpu_gr_update_hwpm_ctxsw_mode(struct gk20a *g,
struct channel_gk20a *ch, bool enable)
{
struct channel_ctx_gk20a *ch_ctx = &ch->ch_ctx;
struct pm_ctx_desc *pm_ctx = &ch_ctx->pm_ctx;
struct tegra_vgpu_cmd_msg msg;
struct tegra_vgpu_channel_set_ctxsw_mode *p = &msg.params.set_ctxsw_mode;
int err;
gk20a_dbg_fn("");
if (enable) {
p->mode = TEGRA_VGPU_CTXSW_MODE_CTXSW;
/* Allocate buffer if necessary */
if (pm_ctx->mem.gpu_va == 0) {
pm_ctx->mem.gpu_va = gk20a_vm_alloc_va(ch->vm,
g->gr.ctx_vars.pm_ctxsw_image_size,
gmmu_page_size_kernel);
if (!pm_ctx->mem.gpu_va)
return -ENOMEM;
pm_ctx->mem.size = g->gr.ctx_vars.pm_ctxsw_image_size;
}
} else
p->mode = TEGRA_VGPU_CTXSW_MODE_NO_CTXSW;
msg.cmd = TEGRA_VGPU_CMD_CHANNEL_SET_HWPM_CTXSW_MODE;
msg.handle = vgpu_get_handle(g);
p->handle = ch->virt_ctx;
p->gpu_va = pm_ctx->mem.gpu_va;
err = vgpu_comm_sendrecv(&msg, sizeof(msg), sizeof(msg));
WARN_ON(err || msg.ret);
return err ? err : msg.ret;
}
void vgpu_init_gr_ops(struct gpu_ops *gops)
{
gops->gr.detect_sm_arch = vgpu_gr_detect_sm_arch;
gops->gr.free_channel_ctx = vgpu_gr_free_channel_ctx;
gops->gr.alloc_obj_ctx = vgpu_gr_alloc_obj_ctx;
gops->gr.free_obj_ctx = vgpu_gr_free_obj_ctx;
gops->gr.alloc_gr_ctx = vgpu_gr_alloc_gr_ctx;
gops->gr.free_gr_ctx = vgpu_gr_free_gr_ctx;
gops->gr.bind_ctxsw_zcull = vgpu_gr_bind_ctxsw_zcull;
gops->gr.get_zcull_info = vgpu_gr_get_zcull_info;
gops->gr.get_gpc_tpc_mask = vgpu_gr_get_gpc_tpc_mask;
gops->gr.get_max_fbps_count = vgpu_gr_get_max_fbps_count;
gops->gr.get_fbp_en_mask = vgpu_gr_get_fbp_en_mask;
gops->gr.get_max_ltc_per_fbp = vgpu_gr_get_max_ltc_per_fbp;
gops->gr.get_max_lts_per_ltc = vgpu_gr_get_max_lts_per_ltc;
gops->gr.get_rop_l2_en_mask = vgpu_gr_rop_l2_en_mask;
gops->gr.zbc_set_table = vgpu_gr_add_zbc;
gops->gr.zbc_query_table = vgpu_gr_query_zbc;
gops->gr.init_ctx_state = vgpu_gr_init_ctx_state;
gops->gr.set_sm_debug_mode = vgpu_gr_set_sm_debug_mode;
gops->gr.update_smpc_ctxsw_mode = vgpu_gr_update_smpc_ctxsw_mode;
gops->gr.update_hwpm_ctxsw_mode = vgpu_gr_update_hwpm_ctxsw_mode;
gops->gr.dump_gr_regs = NULL;
}