gpu: nvgpu: vgpu: use ivm to send auxiliary data

RM server retrieves auxiliary data only from IVM.
Modify IVC commands to send auxiliary data to RM
server using IVM and not as a part command message.

VFND-4166

Change-Id: I9bfe33cf9301f7c70709318b810c622ec57b1cdf
Signed-off-by: Aparna Das <aparnad@nvidia.com>
Reviewed-on: http://git-master/r/1484130
Reviewed-by: svcboomerang <svcboomerang@nvidia.com>
Tested-by: svcboomerang <svcboomerang@nvidia.com>

1 files changed, 25 insertions, 15 deletions

diff --git a/drivers/gpu/nvgpu/vgpu/fifo_vgpu.c b/drivers/gpu/nvgpu/vgpu/fifo_vgpu.c
index 5ea6a016..309a395a 100644
--- a/drivers/gpu/nvgpu/vgpu/fifo_vgpu.c
+++ b/drivers/gpu/nvgpu/vgpu/fifo_vgpu.c
@@ -461,28 +461,38 @@ static int vgpu_fifo_preempt_tsg(struct gk20a *g, u32 tsgid)
 static int vgpu_submit_runlist(struct gk20a *g, u64 handle, u8 runlist_id,
                                u16 *runlist, u32 num_entries)
 {
-        struct tegra_vgpu_cmd_msg *msg;
+        struct tegra_vgpu_cmd_msg msg;
         struct tegra_vgpu_runlist_params *p;
-        size_t size = sizeof(*msg) + sizeof(*runlist) * num_entries;
-        char *ptr;
         int err;
+        void *oob_handle;
+        void *oob;
+        size_t size, oob_size;
+
+        oob_handle = tegra_gr_comm_oob_get_ptr(TEGRA_GR_COMM_CTX_CLIENT,
+                        tegra_gr_comm_get_server_vmid(), TEGRA_VGPU_QUEUE_CMD,
+                        &oob, &oob_size);
+        if (!oob_handle)
+                return -EINVAL;
+
+        size = sizeof(*runlist) * num_entries;
+        if (oob_size < size) {
+                err = -ENOMEM;
+                goto done;
+        }
 
-        msg = nvgpu_kmalloc(g, size);
-        if (!msg)
-                return -1;
-
-        msg->cmd = TEGRA_VGPU_CMD_SUBMIT_RUNLIST;
-        msg->handle = handle;
-        p = &msg->params.runlist;
+        msg.cmd = TEGRA_VGPU_CMD_SUBMIT_RUNLIST;
+        msg.handle = handle;
+        p = &msg.params.runlist;
         p->runlist_id = runlist_id;
         p->num_entries = num_entries;
 
-        ptr = (char *)msg + sizeof(*msg);
-        memcpy(ptr, runlist, sizeof(*runlist) * num_entries);
-        err = vgpu_comm_sendrecv(msg, size, sizeof(*msg));
+        memcpy(oob, runlist, size);
+        err = vgpu_comm_sendrecv(&msg, sizeof(msg), sizeof(msg));
+
+        err = (err || msg.ret) ? -1 : 0;
 
-        err = (err || msg->ret) ? -1 : 0;
-        nvgpu_kfree(g, msg);
+done:
+        tegra_gr_comm_oob_put_ptr(oob_handle);
         return err;
 }