gpu: nvgpu: rename mem_desc to nvgpu_mem

Renaming was done with the following command:

  $ find -type f | \
    xargs sed -i 's/struct mem_desc/struct nvgpu_mem/g'

Also rename mem_desc.[ch] to nvgpu_mem.[ch].

JIRA NVGPU-12

Change-Id: I69395758c22a56aa01e3dffbcded70a729bf559a
Signed-off-by: Alex Waterman <alexw@nvidia.com>
Reviewed-on: http://git-master/r/1325547
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

21 files changed, 166 insertions, 165 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/bus_gk20a.c b/drivers/gpu/nvgpu/gk20a/bus_gk20a.c
index d161a29c..dd96df16 100644
--- a/drivers/gpu/nvgpu/gk20a/bus_gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/bus_gk20a.c
@@ -130,7 +130,7 @@ int gk20a_read_ptimer(struct gk20a *g, u64 *value)
         return -EBUSY;
 }
 
-static int gk20a_bus_bar1_bind(struct gk20a *g, struct mem_desc *bar1_inst)
+static int gk20a_bus_bar1_bind(struct gk20a *g, struct nvgpu_mem *bar1_inst)
 {
         u64 iova = gk20a_mm_inst_block_addr(g, bar1_inst);
         u32 ptr_v = (u32)(iova >> bar1_instance_block_shift_gk20a());
diff --git a/drivers/gpu/nvgpu/gk20a/bus_gk20a.h b/drivers/gpu/nvgpu/gk20a/bus_gk20a.h
index 01526f06..b2f8f8c9 100644
--- a/drivers/gpu/nvgpu/gk20a/bus_gk20a.h
+++ b/drivers/gpu/nvgpu/gk20a/bus_gk20a.h
@@ -18,7 +18,7 @@
 
 struct gk20a;
 struct gpu_ops;
-struct mem_desc;
+struct nvgpu_mem;
 
 void gk20a_init_bus(struct gpu_ops *gops);
 
diff --git a/drivers/gpu/nvgpu/gk20a/cde_gk20a.c b/drivers/gpu/nvgpu/gk20a/cde_gk20a.c
index 926e21ef..0db6c21a 100644
--- a/drivers/gpu/nvgpu/gk20a/cde_gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/cde_gk20a.c
@@ -52,7 +52,7 @@ static void gk20a_deinit_cde_img(struct gk20a_cde_ctx *cde_ctx)
         unsigned int i;
 
         for (i = 0; i < cde_ctx->num_bufs; i++) {
-                struct mem_desc *mem = cde_ctx->mem + i;
+                struct nvgpu_mem *mem = cde_ctx->mem + i;
                 gk20a_gmmu_unmap_free(cde_ctx->vm, mem);
         }
 
@@ -226,7 +226,7 @@ static int gk20a_init_cde_buf(struct gk20a_cde_ctx *cde_ctx,
                               const struct firmware *img,
                               struct gk20a_cde_hdr_buf *buf)
 {
-        struct mem_desc *mem;
+        struct nvgpu_mem *mem;
         int err;
 
         /* check that the file can hold the buf */
@@ -312,8 +312,8 @@ static int gk20a_init_cde_replace(struct gk20a_cde_ctx *cde_ctx,
                                   const struct firmware *img,
                                   struct gk20a_cde_hdr_replace *replace)
 {
-        struct mem_desc *source_mem;
-        struct mem_desc *target_mem;
+        struct nvgpu_mem *source_mem;
+        struct nvgpu_mem *target_mem;
         u32 *target_mem_ptr;
         u64 vaddr;
         int err;
@@ -362,7 +362,7 @@ static int gk20a_init_cde_replace(struct gk20a_cde_ctx *cde_ctx,
 static int gk20a_cde_patch_params(struct gk20a_cde_ctx *cde_ctx)
 {
         struct gk20a *g = cde_ctx->g;
-        struct mem_desc *target_mem;
+        struct nvgpu_mem *target_mem;
         u32 *target_mem_ptr;
         u64 new_data;
         int user_id = 0, err;
@@ -451,7 +451,7 @@ static int gk20a_init_cde_param(struct gk20a_cde_ctx *cde_ctx,
                                 const struct firmware *img,
                                 struct gk20a_cde_hdr_param *param)
 {
-        struct mem_desc *target_mem;
+        struct nvgpu_mem *target_mem;
 
         if (param->target_buf >= cde_ctx->num_bufs) {
                 gk20a_warn(cde_ctx->dev, "cde: invalid buffer parameter. param idx = %d, target_buf=%u, num_bufs=%u",
@@ -545,7 +545,7 @@ static int gk20a_init_cde_command(struct gk20a_cde_ctx *cde_ctx,
 
         gpfifo_elem = *gpfifo;
         for (i = 0; i < num_elems; i++, cmd_elem++, gpfifo_elem++) {
-                struct mem_desc *target_mem;
+                struct nvgpu_mem *target_mem;
 
                 /* validate the current entry */
                 if (cmd_elem->target_buf >= cde_ctx->num_bufs) {
diff --git a/drivers/gpu/nvgpu/gk20a/cde_gk20a.h b/drivers/gpu/nvgpu/gk20a/cde_gk20a.h
index a36f2401..ffd55b4d 100644
--- a/drivers/gpu/nvgpu/gk20a/cde_gk20a.h
+++ b/drivers/gpu/nvgpu/gk20a/cde_gk20a.h
@@ -222,7 +222,7 @@ struct gk20a_cde_ctx {
         struct vm_gk20a *vm;
 
         /* buf converter configuration */
-        struct mem_desc mem[MAX_CDE_BUFS];
+        struct nvgpu_mem mem[MAX_CDE_BUFS];
         unsigned int num_bufs;
 
         /* buffer patching params (where should patching be done) */
diff --git a/drivers/gpu/nvgpu/gk20a/ce2_gk20a.h b/drivers/gpu/nvgpu/gk20a/ce2_gk20a.h
index 7a4e4861..ac0bae32 100644
--- a/drivers/gpu/nvgpu/gk20a/ce2_gk20a.h
+++ b/drivers/gpu/nvgpu/gk20a/ce2_gk20a.h
@@ -110,7 +110,7 @@ struct gk20a_gpu_ctx {
         struct vm_gk20a *vm;
 
         /* cmd buf mem_desc */
-        struct mem_desc cmd_buf_mem;
+        struct nvgpu_mem cmd_buf_mem;
 
         struct nvgpu_list_node list;
 
diff --git a/drivers/gpu/nvgpu/gk20a/channel_gk20a.c b/drivers/gpu/nvgpu/gk20a/channel_gk20a.c
index e13a903f..d0e2be79 100644
--- a/drivers/gpu/nvgpu/gk20a/channel_gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/channel_gk20a.c
@@ -2117,7 +2117,7 @@ static void gk20a_submit_append_priv_cmdbuf(struct channel_gk20a *c,
                 struct priv_cmd_entry *cmd)
 {
         struct gk20a *g = c->g;
-        struct mem_desc *gpfifo_mem = &c->gpfifo.mem;
+        struct nvgpu_mem *gpfifo_mem = &c->gpfifo.mem;
         struct nvgpu_gpfifo x = {
                 .entry0 = u64_lo32(cmd->gva),
                 .entry1 = u64_hi32(cmd->gva) |
@@ -2148,7 +2148,7 @@ static int gk20a_submit_append_gpfifo(struct channel_gk20a *c,
         u32 len = num_entries * sizeof(struct nvgpu_gpfifo);
         u32 start = c->gpfifo.put * sizeof(struct nvgpu_gpfifo);
         u32 end = start + len; /* exclusive */
-        struct mem_desc *gpfifo_mem = &c->gpfifo.mem;
+        struct nvgpu_mem *gpfifo_mem = &c->gpfifo.mem;
         struct nvgpu_gpfifo *cpu_src;
         int err;
 
diff --git a/drivers/gpu/nvgpu/gk20a/channel_gk20a.h b/drivers/gpu/nvgpu/gk20a/channel_gk20a.h
index d6356652..8c863124 100644
--- a/drivers/gpu/nvgpu/gk20a/channel_gk20a.h
+++ b/drivers/gpu/nvgpu/gk20a/channel_gk20a.h
@@ -193,7 +193,7 @@ struct channel_gk20a {
 
         struct channel_ctx_gk20a ch_ctx;
 
-        struct mem_desc inst_block;
+        struct nvgpu_mem inst_block;
 
         u64 userd_iova;
         u64 userd_gpu_va;
diff --git a/drivers/gpu/nvgpu/gk20a/css_gr_gk20a.h b/drivers/gpu/nvgpu/gk20a/css_gr_gk20a.h
index d6cea7c6..a95eaeae 100644
--- a/drivers/gpu/nvgpu/gk20a/css_gr_gk20a.h
+++ b/drivers/gpu/nvgpu/gk20a/css_gr_gk20a.h
@@ -114,7 +114,7 @@ gk20a_cs_snapshot_client_from_list(struct nvgpu_list_node *node)
 struct gk20a_cs_snapshot {
         unsigned long perfmon_ids[PM_BITMAP_SIZE];
         struct nvgpu_list_node  clients;
-        struct mem_desc         hw_memdesc;
+        struct nvgpu_mem        hw_memdesc;
         /* pointer to allocated cpu_va memory where GPU place data */
         struct gk20a_cs_snapshot_fifo_entry     *hw_snapshot;
         struct gk20a_cs_snapshot_fifo_entry     *hw_end;
diff --git a/drivers/gpu/nvgpu/gk20a/fb_gk20a.c b/drivers/gpu/nvgpu/gk20a/fb_gk20a.c
index 2e0809ee..b3c52852 100644
--- a/drivers/gpu/nvgpu/gk20a/fb_gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/fb_gk20a.c
@@ -95,7 +95,7 @@ static void gk20a_fb_set_debug_mode(struct gk20a *g, bool enable)
         gk20a_writel(g, fb_mmu_debug_ctrl_r(), reg_val);
 }
 
-void gk20a_fb_tlb_invalidate(struct gk20a *g, struct mem_desc *pdb)
+void gk20a_fb_tlb_invalidate(struct gk20a *g, struct nvgpu_mem *pdb)
 {
         struct nvgpu_timeout timeout;
         u32 addr_lo;
diff --git a/drivers/gpu/nvgpu/gk20a/fb_gk20a.h b/drivers/gpu/nvgpu/gk20a/fb_gk20a.h
index a808ba6d..f9f4fbd0 100644
--- a/drivers/gpu/nvgpu/gk20a/fb_gk20a.h
+++ b/drivers/gpu/nvgpu/gk20a/fb_gk20a.h
@@ -15,11 +15,11 @@
 #define FB_GK20A_H
 
 struct gk20a;
-struct mem_desc;
+struct nvgpu_mem;
 
 void gk20a_init_fb(struct gpu_ops *gops);
 void fb_gk20a_reset(struct gk20a *g);
 void gk20a_fb_init_hw(struct gk20a *g);
-void gk20a_fb_tlb_invalidate(struct gk20a *g, struct mem_desc *pdb);
+void gk20a_fb_tlb_invalidate(struct gk20a *g, struct nvgpu_mem *pdb);
 
 #endif
diff --git a/drivers/gpu/nvgpu/gk20a/fecs_trace_gk20a.c b/drivers/gpu/nvgpu/gk20a/fecs_trace_gk20a.c
index b4e3bad1..3ed28718 100644
--- a/drivers/gpu/nvgpu/gk20a/fecs_trace_gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/fecs_trace_gk20a.c
@@ -60,7 +60,7 @@ struct gk20a_fecs_trace_hash_ent {
 
 struct gk20a_fecs_trace {
 
-        struct mem_desc trace_buf;
+        struct nvgpu_mem trace_buf;
         DECLARE_HASHTABLE(pid_hash_table, GK20A_FECS_TRACE_HASH_BITS);
         struct nvgpu_mutex hash_lock;
         struct nvgpu_mutex poll_lock;
@@ -620,7 +620,7 @@ static int gk20a_fecs_trace_bind_channel(struct gk20a *g,
         phys_addr_t pa;
         struct channel_ctx_gk20a *ch_ctx = &ch->ch_ctx;
         struct gk20a_fecs_trace *trace = g->fecs_trace;
-        struct mem_desc *mem = &ch_ctx->gr_ctx->mem;
+        struct nvgpu_mem *mem = &ch_ctx->gr_ctx->mem;
         u32 context_ptr = gk20a_fecs_trace_fecs_context_ptr(ch);
         pid_t pid;
         u32 aperture;
diff --git a/drivers/gpu/nvgpu/gk20a/fifo_gk20a.c b/drivers/gpu/nvgpu/gk20a/fifo_gk20a.c
index b8b0c9b0..1e9a8e15 100644
--- a/drivers/gpu/nvgpu/gk20a/fifo_gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/fifo_gk20a.c
@@ -3963,7 +3963,7 @@ int gk20a_fifo_setup_ramfc(struct channel_gk20a *c,
                         u32 flags)
 {
         struct gk20a *g = c->g;
-        struct mem_desc *mem = &c->inst_block;
+        struct nvgpu_mem *mem = &c->inst_block;
 
         gk20a_dbg_fn("");
 
@@ -4097,7 +4097,7 @@ int gk20a_fifo_set_priority(struct channel_gk20a *ch, u32 priority)
 void gk20a_fifo_setup_ramfc_for_privileged_channel(struct channel_gk20a *c)
 {
         struct gk20a *g = c->g;
-        struct mem_desc *mem = &c->inst_block;
+        struct nvgpu_mem *mem = &c->inst_block;
 
         gk20a_dbg_info("channel %d : set ramfc privileged_channel", c->hw_chid);
 
@@ -4109,7 +4109,7 @@ void gk20a_fifo_setup_ramfc_for_privileged_channel(struct channel_gk20a *c)
 int gk20a_fifo_setup_userd(struct channel_gk20a *c)
 {
         struct gk20a *g = c->g;
-        struct mem_desc *mem = &g->fifo.userd;
+        struct nvgpu_mem *mem = &g->fifo.userd;
         u32 offset = c->hw_chid * g->fifo.userd_entry_size / sizeof(u32);
 
         gk20a_dbg_fn("");
diff --git a/drivers/gpu/nvgpu/gk20a/fifo_gk20a.h b/drivers/gpu/nvgpu/gk20a/fifo_gk20a.h
index 6d1b902e..d5456ea1 100644
--- a/drivers/gpu/nvgpu/gk20a/fifo_gk20a.h
+++ b/drivers/gpu/nvgpu/gk20a/fifo_gk20a.h
@@ -63,7 +63,7 @@ struct fifo_runlist_info_gk20a {
         unsigned long *active_channels;
         unsigned long *active_tsgs;
         /* Each engine has its own SW and HW runlist buffer.*/
-        struct mem_desc mem[MAX_RUNLIST_BUFFERS];
+        struct nvgpu_mem mem[MAX_RUNLIST_BUFFERS];
         u32  cur_buffer;
         u32  total_entries;
         u32  pbdma_bitmask;      /* pbdmas supported for this runlist*/
@@ -166,7 +166,7 @@ struct fifo_gk20a {
                 struct nvgpu_mutex lock;
         } profile;
 #endif
-        struct mem_desc userd;
+        struct nvgpu_mem userd;
         u32 userd_entry_size;
 
         unsigned int used_channels;
diff --git a/drivers/gpu/nvgpu/gk20a/gk20a.h b/drivers/gpu/nvgpu/gk20a/gk20a.h
index db7b3c5d..4fa8b76f 100644
--- a/drivers/gpu/nvgpu/gk20a/gk20a.h
+++ b/drivers/gpu/nvgpu/gk20a/gk20a.h
@@ -258,7 +258,7 @@ struct gpu_ops {
                           struct gr_ctx_desc *gr_ctx);
                 void (*update_ctxsw_preemption_mode)(struct gk20a *g,
                                 struct channel_ctx_gk20a *ch_ctx,
-                                struct mem_desc *mem);
+                                struct nvgpu_mem *mem);
                 int (*update_smpc_ctxsw_mode)(struct gk20a *g,
                                 struct channel_gk20a *c,
                                 bool enable);
@@ -279,7 +279,7 @@ struct gpu_ops {
                                   u32 expect_delay);
                 void (*init_cyclestats)(struct gk20a *g);
                 void (*enable_cde_in_fecs)(struct gk20a *g,
-                                struct mem_desc *mem);
+                                struct nvgpu_mem *mem);
                 int (*set_sm_debug_mode)(struct gk20a *g, struct channel_gk20a *ch,
                                         u64 sms, bool enable);
                 void (*bpt_reg_info)(struct gk20a *g,
@@ -329,7 +329,7 @@ struct gpu_ops {
                                 u32 compute_preempt_mode);
                 int (*set_boosted_ctx)(struct channel_gk20a *ch, bool boost);
                 void (*update_boosted_ctx)(struct gk20a *g,
-                                           struct mem_desc *mem,
+                                           struct nvgpu_mem *mem,
                                            struct gr_ctx_desc *gr_ctx);
                 int (*fuse_override)(struct gk20a *g);
                 void (*init_sm_id_table)(struct gk20a *g);
@@ -344,11 +344,11 @@ struct gpu_ops {
                 int (*commit_global_timeslice)(struct gk20a *g,
                                         struct channel_gk20a *c, bool patch);
                 int (*commit_inst)(struct channel_gk20a *c, u64 gpu_va);
-                void (*restore_context_header)(struct gk20a *g, struct mem_desc *ctxheader);
+                void (*restore_context_header)(struct gk20a *g, struct nvgpu_mem *ctxheader);
                 void (*write_zcull_ptr)(struct gk20a *g,
-                                        struct mem_desc *mem, u64 gpu_va);
+                                        struct nvgpu_mem *mem, u64 gpu_va);
                 void (*write_pm_ptr)(struct gk20a *g,
-                                        struct mem_desc *mem, u64 gpu_va);
+                                        struct nvgpu_mem *mem, u64 gpu_va);
                 void (*init_elcg_mode)(struct gk20a *g, u32 mode, u32 engine);
                 void (*load_tpc_mask)(struct gk20a *g);
                 int (*inval_icache)(struct gk20a *g, struct channel_gk20a *ch);
@@ -372,7 +372,7 @@ struct gpu_ops {
                 int (*vpr_info_fetch)(struct gk20a *g);
                 bool (*is_debug_mode_enabled)(struct gk20a *g);
                 void (*set_debug_mode)(struct gk20a *g, bool enable);
-                void (*tlb_invalidate)(struct gk20a *g, struct mem_desc *pdb);
+                void (*tlb_invalidate)(struct gk20a *g, struct nvgpu_mem *pdb);
                 void (*hub_isr)(struct gk20a *g);
         } fb;
         struct {
@@ -636,7 +636,7 @@ struct gpu_ops {
                 void (*l2_flush)(struct gk20a *g, bool invalidate);
                 void (*cbc_clean)(struct gk20a *g);
                 void (*set_big_page_size)(struct gk20a *g,
-                                          struct mem_desc *mem, int size);
+                                          struct nvgpu_mem *mem, int size);
                 u32 (*get_big_page_sizes)(void);
                 u32 (*get_physical_addr_bits)(struct gk20a *g);
                 int (*init_mm_setup_hw)(struct gk20a *g);
@@ -646,19 +646,19 @@ struct gpu_ops {
                 void (*remove_bar2_vm)(struct gk20a *g);
                 const struct gk20a_mmu_level *
                         (*get_mmu_levels)(struct gk20a *g, u32 big_page_size);
-                void (*init_pdb)(struct gk20a *g, struct mem_desc *inst_block,
+                void (*init_pdb)(struct gk20a *g, struct nvgpu_mem *inst_block,
                                 struct vm_gk20a *vm);
                 u64 (*get_iova_addr)(struct gk20a *g, struct scatterlist *sgl,
                                          u32 flags);
                 size_t (*get_vidmem_size)(struct gk20a *g);
-                void (*init_inst_block)(struct mem_desc *inst_block,
+                void (*init_inst_block)(struct nvgpu_mem *inst_block,
                                 struct vm_gk20a *vm, u32 big_page_size);
                 bool (*mmu_fault_pending)(struct gk20a *g);
         } mm;
         struct {
-                u32 (*enter)(struct gk20a *g, struct mem_desc *mem,
+                u32 (*enter)(struct gk20a *g, struct nvgpu_mem *mem,
                              struct page_alloc_chunk *chunk, u32 w);
-                void (*exit)(struct gk20a *g, struct mem_desc *mem,
+                void (*exit)(struct gk20a *g, struct nvgpu_mem *mem,
                              struct page_alloc_chunk *chunk);
                 u32 (*data032_r)(u32 i);
         } pramin;
@@ -709,7 +709,7 @@ struct gpu_ops {
                 bool (*is_priv_load)(u32 falcon_id);
                 void (*get_wpr)(struct gk20a *g, struct wpr_carveout_info *inf);
                 int (*alloc_blob_space)(struct gk20a *g,
-                                size_t size, struct mem_desc *mem);
+                                size_t size, struct nvgpu_mem *mem);
                 int (*pmu_populate_loader_cfg)(struct gk20a *g,
                         void *lsfm,     u32 *p_bl_gen_desc_size);
                 int (*flcn_populate_bl_dmem_desc)(struct gk20a *g,
@@ -820,7 +820,7 @@ struct gpu_ops {
                 void (*init_hw)(struct gk20a *g);
                 void (*isr)(struct gk20a *g);
                 int (*read_ptimer)(struct gk20a *g, u64 *value);
-                int (*bar1_bind)(struct gk20a *g, struct mem_desc *bar1_inst);
+                int (*bar1_bind)(struct gk20a *g, struct nvgpu_mem *bar1_inst);
         } bus;
 
         int (*bios_init)(struct gk20a *g);
diff --git a/drivers/gpu/nvgpu/gk20a/gr_gk20a.c b/drivers/gpu/nvgpu/gk20a/gr_gk20a.c
index 360b8c97..971e2320 100644
--- a/drivers/gpu/nvgpu/gk20a/gr_gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/gr_gk20a.c
@@ -699,7 +699,7 @@ void gr_gk20a_ctx_patch_write(struct gk20a *g,
         }
 }
 
-static u32 fecs_current_ctx_data(struct gk20a *g, struct mem_desc *inst_block)
+static u32 fecs_current_ctx_data(struct gk20a *g, struct nvgpu_mem *inst_block)
 {
         u32 ptr = u64_lo32(gk20a_mm_inst_block_addr(g, inst_block)
                         >> ram_in_base_shift_v());
@@ -741,7 +741,7 @@ static int gr_gk20a_fecs_ctx_bind_channel(struct gk20a *g,
 }
 
 void gr_gk20a_write_zcull_ptr(struct gk20a *g,
-                                struct mem_desc *mem, u64 gpu_va)
+                                struct nvgpu_mem *mem, u64 gpu_va)
 {
         u32 va = u64_lo32(gpu_va >> 8);
 
@@ -750,7 +750,7 @@ void gr_gk20a_write_zcull_ptr(struct gk20a *g,
 }
 
 void gr_gk20a_write_pm_ptr(struct gk20a *g,
-                                struct mem_desc *mem, u64 gpu_va)
+                                struct nvgpu_mem *mem, u64 gpu_va)
 {
         u32 va = u64_lo32(gpu_va >> 8);
 
@@ -761,9 +761,9 @@ void gr_gk20a_write_pm_ptr(struct gk20a *g,
 static int gr_gk20a_ctx_zcull_setup(struct gk20a *g, struct channel_gk20a *c)
 {
         struct channel_ctx_gk20a *ch_ctx = &c->ch_ctx;
-        struct mem_desc *mem = &ch_ctx->gr_ctx->mem;
+        struct nvgpu_mem *mem = &ch_ctx->gr_ctx->mem;
         struct ctx_header_desc *ctx = &c->ch_ctx.ctx_header;
-        struct mem_desc *ctxheader = &ctx->mem;
+        struct nvgpu_mem *ctxheader = &ctx->mem;
         int ret = 0;
 
         gk20a_dbg_fn("");
@@ -1579,15 +1579,15 @@ static int gr_gk20a_init_golden_ctx_image(struct gk20a *g,
         u32 ctx_header_words;
         u32 i;
         u32 data;
-        struct mem_desc *gold_mem = &gr->global_ctx_buffer[GOLDEN_CTX].mem;
-        struct mem_desc *gr_mem = &ch_ctx->gr_ctx->mem;
+        struct nvgpu_mem *gold_mem = &gr->global_ctx_buffer[GOLDEN_CTX].mem;
+        struct nvgpu_mem *gr_mem = &ch_ctx->gr_ctx->mem;
         u32 err = 0;
         struct aiv_list_gk20a *sw_ctx_load = &g->gr.ctx_vars.sw_ctx_load;
         struct av_list_gk20a *sw_method_init = &g->gr.ctx_vars.sw_method_init;
         u32 last_method_data = 0;
         struct gk20a_platform *platform = dev_get_drvdata(g->dev);
         struct ctx_header_desc *ctx = &c->ch_ctx.ctx_header;
-        struct mem_desc *ctxheader = &ctx->mem;
+        struct nvgpu_mem *ctxheader = &ctx->mem;
 
         gk20a_dbg_fn("");
 
@@ -1836,7 +1836,7 @@ int gr_gk20a_update_smpc_ctxsw_mode(struct gk20a *g,
                                     bool enable_smpc_ctxsw)
 {
         struct channel_ctx_gk20a *ch_ctx = &c->ch_ctx;
-        struct mem_desc *mem;
+        struct nvgpu_mem *mem;
         u32 data;
         int ret;
 
@@ -1893,11 +1893,11 @@ int gr_gk20a_update_hwpm_ctxsw_mode(struct gk20a *g,
 {
         struct channel_ctx_gk20a *ch_ctx = &c->ch_ctx;
         struct pm_ctx_desc *pm_ctx = &ch_ctx->pm_ctx;
-        struct mem_desc *gr_mem;
+        struct nvgpu_mem *gr_mem;
         u32 data;
         u64 virt_addr;
         struct ctx_header_desc *ctx = &c->ch_ctx.ctx_header;
-        struct mem_desc *ctxheader = &ctx->mem;
+        struct nvgpu_mem *ctxheader = &ctx->mem;
         int ret;
 
         gk20a_dbg_fn("");
@@ -2018,7 +2018,7 @@ cleanup_pm_buf:
         gk20a_gmmu_unmap(c->vm, pm_ctx->mem.gpu_va, pm_ctx->mem.size,
                         gk20a_mem_flag_none);
         gk20a_gmmu_free(g, &pm_ctx->mem);
-        memset(&pm_ctx->mem, 0, sizeof(struct mem_desc));
+        memset(&pm_ctx->mem, 0, sizeof(struct nvgpu_mem));
 
         gk20a_enable_channel_tsg(g, c);
         return ret;
@@ -2035,9 +2035,9 @@ int gr_gk20a_load_golden_ctx_image(struct gk20a *g,
         u64 virt_addr = 0;
         u32 v, data;
         int ret = 0;
-        struct mem_desc *mem = &ch_ctx->gr_ctx->mem;
+        struct nvgpu_mem *mem = &ch_ctx->gr_ctx->mem;
         struct ctx_header_desc *ctx = &c->ch_ctx.ctx_header;
-        struct mem_desc *ctxheader = &ctx->mem;
+        struct nvgpu_mem *ctxheader = &ctx->mem;
 
         gk20a_dbg_fn("");
 
@@ -2249,7 +2249,7 @@ static void gr_gk20a_init_ctxsw_ucode_segments(
 
 static int gr_gk20a_copy_ctxsw_ucode_segments(
         struct gk20a *g,
-        struct mem_desc *dst,
+        struct nvgpu_mem *dst,
         struct gk20a_ctxsw_ucode_segments *segments,
         u32 *bootimage,
         u32 *code, u32 *data)
@@ -2826,7 +2826,7 @@ static int gr_gk20a_map_global_ctx_buffers(struct gk20a *g,
         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;
-        struct mem_desc *mem;
+        struct nvgpu_mem *mem;
         u64 gpu_va;
         u32 i;
         gk20a_dbg_fn("");
@@ -5085,7 +5085,7 @@ out:
 static int gr_gk20a_init_access_map(struct gk20a *g)
 {
         struct gr_gk20a *gr = &g->gr;
-        struct mem_desc *mem = &gr->global_ctx_buffer[PRIV_ACCESS_MAP].mem;
+        struct nvgpu_mem *mem = &gr->global_ctx_buffer[PRIV_ACCESS_MAP].mem;
         u32 w, nr_pages =
                 DIV_ROUND_UP(gr->ctx_vars.priv_access_map_size,
                              PAGE_SIZE);
@@ -6645,7 +6645,7 @@ int gr_gk20a_fecs_get_reglist_img_size(struct gk20a *g, u32 *size)
 }
 
 int gr_gk20a_fecs_set_reglist_bind_inst(struct gk20a *g,
-                struct mem_desc *inst_block)
+                struct nvgpu_mem *inst_block)
 {
         u32 data = fecs_current_ctx_data(g, inst_block);
 
@@ -7131,7 +7131,7 @@ static void gr_gk20a_init_sm_dsm_reg_info(void)
 static int gr_gk20a_ctx_patch_smpc(struct gk20a *g,
                             struct channel_ctx_gk20a *ch_ctx,
                             u32 addr, u32 data,
-                            struct mem_desc *mem)
+                            struct nvgpu_mem *mem)
 {
         u32 num_gpc = g->gr.gpc_count;
         u32 num_tpc;
@@ -8258,7 +8258,7 @@ int gr_gk20a_exec_ctx_ops(struct channel_gk20a *ch,
         struct channel_ctx_gk20a *ch_ctx = &ch->ch_ctx;
         bool gr_ctx_ready = false;
         bool pm_ctx_ready = false;
-        struct mem_desc *current_mem = NULL;
+        struct nvgpu_mem *current_mem = NULL;
         bool ch_is_curr_ctx, restart_gr_ctxsw = false;
         u32 i, j, offset, v;
         struct gr_gk20a *gr = &g->gr;
diff --git a/drivers/gpu/nvgpu/gk20a/gr_gk20a.h b/drivers/gpu/nvgpu/gk20a/gr_gk20a.h
index 3a4d5e04..e05eeb3d 100644
--- a/drivers/gpu/nvgpu/gk20a/gr_gk20a.h
+++ b/drivers/gpu/nvgpu/gk20a/gr_gk20a.h
@@ -205,7 +205,7 @@ struct gr_gk20a_isr_data {
 
 struct gr_ctx_buffer_desc {
         void (*destroy)(struct gk20a *, struct gr_ctx_buffer_desc *);
-        struct mem_desc mem;
+        struct nvgpu_mem mem;
         void *priv;
 };
 
@@ -321,8 +321,8 @@ struct gr_gk20a {
 
         struct gr_ctx_buffer_desc global_ctx_buffer[NR_GLOBAL_CTX_BUF];
 
-        struct mem_desc mmu_wr_mem;
-        struct mem_desc mmu_rd_mem;
+        struct nvgpu_mem mmu_wr_mem;
+        struct nvgpu_mem mmu_rd_mem;
 
         u8 *map_tiles;
         u32 map_tile_count;
@@ -385,7 +385,7 @@ struct gr_gk20a {
 void gk20a_fecs_dump_falcon_stats(struct gk20a *g);
 
 struct gr_ctx_desc {
-        struct mem_desc mem;
+        struct nvgpu_mem mem;
 
         u32 graphics_preempt_mode;
         u32 compute_preempt_mode;
@@ -399,7 +399,7 @@ struct gr_ctx_desc {
 };
 
 struct ctx_header_desc {
-        struct mem_desc mem;
+        struct nvgpu_mem mem;
 };
 
 struct gk20a_ctxsw_ucode_segment {
@@ -441,8 +441,8 @@ struct gk20a_ctxsw_ucode_segments {
 
 struct gk20a_ctxsw_ucode_info {
         u64 *p_va;
-        struct mem_desc inst_blk_desc;
-        struct mem_desc surface_desc;
+        struct nvgpu_mem inst_blk_desc;
+        struct nvgpu_mem surface_desc;
         struct gk20a_ctxsw_ucode_segments fecs;
         struct gk20a_ctxsw_ucode_segments gpccs;
 };
@@ -526,7 +526,7 @@ int gr_gk20a_load_zbc_default_table(struct gk20a *g, struct gr_gk20a *gr);
 /* pmu */
 int gr_gk20a_fecs_get_reglist_img_size(struct gk20a *g, u32 *size);
 int gr_gk20a_fecs_set_reglist_bind_inst(struct gk20a *g,
-                struct mem_desc *inst_block);
+                struct nvgpu_mem *inst_block);
 int gr_gk20a_fecs_set_reglist_virtual_addr(struct gk20a *g, u64 pmu_va);
 
 void gr_gk20a_init_elcg_mode(struct gk20a *g, u32 mode, u32 engine);
@@ -717,10 +717,10 @@ void gr_gk20a_init_sm_id_table(struct gk20a *g);
 int gr_gk20a_commit_inst(struct channel_gk20a *c, u64 gpu_va);
 
 void gr_gk20a_write_zcull_ptr(struct gk20a *g,
-                                struct mem_desc *mem, u64 gpu_va);
+                                struct nvgpu_mem *mem, u64 gpu_va);
 
 void gr_gk20a_write_pm_ptr(struct gk20a *g,
-                                struct mem_desc *mem, u64 gpu_va);
+                                struct nvgpu_mem *mem, u64 gpu_va);
 
 
 static inline const char *gr_gk20a_graphics_preempt_mode_name(u32 graphics_preempt_mode)
diff --git a/drivers/gpu/nvgpu/gk20a/mm_gk20a.c b/drivers/gpu/nvgpu/gk20a/mm_gk20a.c
index 9c9fad1b..cdd0e541 100644
--- a/drivers/gpu/nvgpu/gk20a/mm_gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/mm_gk20a.c
@@ -34,7 +34,7 @@
 #include <nvgpu/timers.h>
 #include <nvgpu/pramin.h>
 #include <nvgpu/list.h>
-#include <nvgpu/mem_desc.h>
+#include <nvgpu/nvgpu_mem.h>
 #include <nvgpu/allocator.h>
 #include <nvgpu/semaphore.h>
 #include <nvgpu/page_allocator.h>
@@ -169,7 +169,7 @@ struct gk20a_dmabuf_priv {
 
 struct gk20a_vidmem_buf {
         struct gk20a *g;
-        struct mem_desc *mem;
+        struct nvgpu_mem *mem;
         struct dma_buf *dmabuf;
         void *dmabuf_priv;
         void (*dmabuf_priv_delete)(void *);
@@ -457,7 +457,7 @@ static int gk20a_init_mm_reset_enable_hw(struct gk20a *g)
         return 0;
 }
 
-void gk20a_remove_vm(struct vm_gk20a *vm, struct mem_desc *inst_block)
+void gk20a_remove_vm(struct vm_gk20a *vm, struct nvgpu_mem *inst_block)
 {
         struct gk20a *g = vm->mm->g;
 
@@ -1866,7 +1866,7 @@ int gk20a_vidmem_buf_alloc(struct gk20a *g, size_t bytes)
                 nvgpu_mutex_release(&g->mm.vidmem.first_clear_mutex);
         }
 
-        buf->mem = nvgpu_kzalloc(g, sizeof(struct mem_desc));
+        buf->mem = nvgpu_kzalloc(g, sizeof(struct nvgpu_mem));
         if (!buf->mem)
                 goto err_kfree;
 
@@ -1931,7 +1931,7 @@ int gk20a_vidbuf_access_memory(struct gk20a *g, struct dma_buf *dmabuf,
 {
 #if defined(CONFIG_GK20A_VIDMEM)
         struct gk20a_vidmem_buf *vidmem_buf;
-        struct mem_desc *mem;
+        struct nvgpu_mem *mem;
         int err = 0;
 
         if (gk20a_dmabuf_aperture(g, dmabuf) != APERTURE_VIDMEM)
@@ -2519,13 +2519,13 @@ u64 gk20a_gmmu_fixed_map(struct vm_gk20a *vm,
                         aperture);
 }
 
-int gk20a_gmmu_alloc(struct gk20a *g, size_t size, struct mem_desc *mem)
+int gk20a_gmmu_alloc(struct gk20a *g, size_t size, struct nvgpu_mem *mem)
 {
         return gk20a_gmmu_alloc_flags(g, 0, size, mem);
 }
 
 int gk20a_gmmu_alloc_flags(struct gk20a *g, unsigned long flags, size_t size,
-                struct mem_desc *mem)
+                struct nvgpu_mem *mem)
 {
         if (g->mm.vidmem_is_vidmem) {
                 /*
@@ -2549,7 +2549,7 @@ int gk20a_gmmu_alloc_flags(struct gk20a *g, unsigned long flags, size_t size,
         return gk20a_gmmu_alloc_flags_sys(g, flags, size, mem);
 }
 
-int gk20a_gmmu_alloc_sys(struct gk20a *g, size_t size, struct mem_desc *mem)
+int gk20a_gmmu_alloc_sys(struct gk20a *g, size_t size, struct nvgpu_mem *mem)
 {
         return gk20a_gmmu_alloc_flags_sys(g, 0, size, mem);
 }
@@ -2574,7 +2574,7 @@ static void gk20a_dma_flags_to_attrs(struct dma_attrs *attrs,
 }
 
 int gk20a_gmmu_alloc_flags_sys(struct gk20a *g, unsigned long flags,
-                size_t size, struct mem_desc *mem)
+                size_t size, struct nvgpu_mem *mem)
 {
         struct device *d = dev_from_gk20a(g);
         int err;
@@ -2631,7 +2631,7 @@ fail_free:
         return err;
 }
 
-static void gk20a_gmmu_free_sys(struct gk20a *g, struct mem_desc *mem)
+static void gk20a_gmmu_free_sys(struct gk20a *g, struct nvgpu_mem *mem)
 {
         struct device *d = dev_from_gk20a(g);
 
@@ -2666,7 +2666,7 @@ static void gk20a_gmmu_free_sys(struct gk20a *g, struct mem_desc *mem)
 }
 
 #if defined(CONFIG_GK20A_VIDMEM)
-static int gk20a_gmmu_clear_vidmem_mem(struct gk20a *g, struct mem_desc *mem)
+static int gk20a_gmmu_clear_vidmem_mem(struct gk20a *g, struct nvgpu_mem *mem)
 {
         struct gk20a_fence *gk20a_fence_out = NULL;
         struct gk20a_fence *gk20a_last_fence = NULL;
@@ -2728,14 +2728,14 @@ static int gk20a_gmmu_clear_vidmem_mem(struct gk20a *g, struct mem_desc *mem)
 }
 #endif
 
-int gk20a_gmmu_alloc_vid(struct gk20a *g, size_t size, struct mem_desc *mem)
+int gk20a_gmmu_alloc_vid(struct gk20a *g, size_t size, struct nvgpu_mem *mem)
 {
         return gk20a_gmmu_alloc_flags_vid(g,
                         NVGPU_DMA_NO_KERNEL_MAPPING, size, mem);
 }
 
 int gk20a_gmmu_alloc_flags_vid(struct gk20a *g, unsigned long flags,
-                size_t size, struct mem_desc *mem)
+                size_t size, struct nvgpu_mem *mem)
 {
         return gk20a_gmmu_alloc_flags_vid_at(g, flags, size, mem, 0);
 }
@@ -2756,7 +2756,7 @@ static u64 __gk20a_gmmu_alloc(struct nvgpu_allocator *allocator, dma_addr_t at,
 #endif
 
 int gk20a_gmmu_alloc_flags_vid_at(struct gk20a *g, unsigned long flags,
-                size_t size, struct mem_desc *mem, dma_addr_t at)
+                size_t size, struct nvgpu_mem *mem, dma_addr_t at)
 {
 #if defined(CONFIG_GK20A_VIDMEM)
         u64 addr;
@@ -2831,7 +2831,7 @@ fail_physfree:
 #endif
 }
 
-static void gk20a_gmmu_free_vid(struct gk20a *g, struct mem_desc *mem)
+static void gk20a_gmmu_free_vid(struct gk20a *g, struct nvgpu_mem *mem)
 {
 #if defined(CONFIG_GK20A_VIDMEM)
         bool was_empty;
@@ -2863,7 +2863,7 @@ static void gk20a_gmmu_free_vid(struct gk20a *g, struct mem_desc *mem)
 #endif
 }
 
-void gk20a_gmmu_free(struct gk20a *g, struct mem_desc *mem)
+void gk20a_gmmu_free(struct gk20a *g, struct nvgpu_mem *mem)
 {
         switch (mem->aperture) {
         case APERTURE_SYSMEM:
@@ -2879,7 +2879,7 @@ void gk20a_gmmu_free(struct gk20a *g, struct mem_desc *mem)
  * If mem is in VIDMEM, return base address in vidmem
  * else return IOVA address for SYSMEM
  */
-u64 gk20a_mem_get_base_addr(struct gk20a *g, struct mem_desc *mem,
+u64 gk20a_mem_get_base_addr(struct gk20a *g, struct nvgpu_mem *mem,
                             u32 flags)
 {
         struct nvgpu_page_alloc *alloc;
@@ -2900,14 +2900,14 @@ u64 gk20a_mem_get_base_addr(struct gk20a *g, struct mem_desc *mem,
 }
 
 #if defined(CONFIG_GK20A_VIDMEM)
-static struct mem_desc *get_pending_mem_desc(struct mm_gk20a *mm)
+static struct nvgpu_mem *get_pending_mem_desc(struct mm_gk20a *mm)
 {
-        struct mem_desc *mem = NULL;
+        struct nvgpu_mem *mem = NULL;
 
         nvgpu_mutex_acquire(&mm->vidmem.clear_list_mutex);
         if (!nvgpu_list_empty(&mm->vidmem.clear_list_head)) {
                 mem = nvgpu_list_first_entry(&mm->vidmem.clear_list_head,
-                                mem_desc, clear_list_entry);
+                                nvgpu_mem, clear_list_entry);
                 nvgpu_list_del(&mem->clear_list_entry);
         }
         nvgpu_mutex_release(&mm->vidmem.clear_list_mutex);
@@ -2920,7 +2920,7 @@ static void gk20a_vidmem_clear_mem_worker(struct work_struct *work)
         struct mm_gk20a *mm = container_of(work, struct mm_gk20a,
                                         vidmem.clear_mem_worker);
         struct gk20a *g = mm->g;
-        struct mem_desc *mem;
+        struct nvgpu_mem *mem;
 
         while ((mem = get_pending_mem_desc(mm)) != NULL) {
                 gk20a_gmmu_clear_vidmem_mem(g, mem);
@@ -2939,13 +2939,13 @@ static void gk20a_vidmem_clear_mem_worker(struct work_struct *work)
 #endif
 
 int gk20a_gmmu_alloc_map(struct vm_gk20a *vm, size_t size,
-                struct mem_desc *mem)
+                struct nvgpu_mem *mem)
 {
         return gk20a_gmmu_alloc_map_flags(vm, 0, size, mem);
 }
 
 int gk20a_gmmu_alloc_map_flags(struct vm_gk20a *vm, unsigned long flags,
-                size_t size, struct mem_desc *mem)
+                size_t size, struct nvgpu_mem *mem)
 {
         if (vm->mm->vidmem_is_vidmem) {
                 /*
@@ -2970,13 +2970,13 @@ int gk20a_gmmu_alloc_map_flags(struct vm_gk20a *vm, unsigned long flags,
 }
 
 int gk20a_gmmu_alloc_map_sys(struct vm_gk20a *vm, size_t size,
-                struct mem_desc *mem)
+                struct nvgpu_mem *mem)
 {
         return gk20a_gmmu_alloc_map_flags_sys(vm, 0, size, mem);
 }
 
 int gk20a_gmmu_alloc_map_flags_sys(struct vm_gk20a *vm, unsigned long flags,
-                size_t size, struct mem_desc *mem)
+                size_t size, struct nvgpu_mem *mem)
 {
         int err = gk20a_gmmu_alloc_flags_sys(vm->mm->g, flags, size, mem);
 
@@ -2999,14 +2999,14 @@ fail_free:
 }
 
 int gk20a_gmmu_alloc_map_vid(struct vm_gk20a *vm, size_t size,
-                struct mem_desc *mem)
+                struct nvgpu_mem *mem)
 {
         return gk20a_gmmu_alloc_map_flags_vid(vm,
                         NVGPU_DMA_NO_KERNEL_MAPPING, size, mem);
 }
 
 int gk20a_gmmu_alloc_map_flags_vid(struct vm_gk20a *vm, unsigned long flags,
-                size_t size, struct mem_desc *mem)
+                size_t size, struct nvgpu_mem *mem)
 {
         int err = gk20a_gmmu_alloc_flags_vid(vm->mm->g, flags, size, mem);
 
@@ -3028,7 +3028,7 @@ fail_free:
         return err;
 }
 
-void gk20a_gmmu_unmap_free(struct vm_gk20a *vm, struct mem_desc *mem)
+void gk20a_gmmu_unmap_free(struct vm_gk20a *vm, struct nvgpu_mem *mem)
 {
         if (mem->gpu_va)
                 gk20a_gmmu_unmap(vm, mem->gpu_va, mem->size, gk20a_mem_flag_none);
@@ -4583,7 +4583,7 @@ void gk20a_deinit_vm(struct vm_gk20a *vm)
         gk20a_vm_free_entries(vm, &vm->pdb, 0);
 }
 
-int gk20a_alloc_inst_block(struct gk20a *g, struct mem_desc *inst_block)
+int gk20a_alloc_inst_block(struct gk20a *g, struct nvgpu_mem *inst_block)
 {
         struct device *dev = dev_from_gk20a(g);
         int err;
@@ -4600,13 +4600,13 @@ int gk20a_alloc_inst_block(struct gk20a *g, struct mem_desc *inst_block)
         return 0;
 }
 
-void gk20a_free_inst_block(struct gk20a *g, struct mem_desc *inst_block)
+void gk20a_free_inst_block(struct gk20a *g, struct nvgpu_mem *inst_block)
 {
         if (inst_block->size)
                 gk20a_gmmu_free(g, inst_block);
 }
 
-u64 gk20a_mm_inst_block_addr(struct gk20a *g, struct mem_desc *inst_block)
+u64 gk20a_mm_inst_block_addr(struct gk20a *g, struct nvgpu_mem *inst_block)
 {
         u64 addr;
         if (g->mm.has_physical_mode)
@@ -4622,7 +4622,7 @@ static int gk20a_init_bar1_vm(struct mm_gk20a *mm)
         int err;
         struct vm_gk20a *vm = &mm->bar1.vm;
         struct gk20a *g = gk20a_from_mm(mm);
-        struct mem_desc *inst_block = &mm->bar1.inst_block;
+        struct nvgpu_mem *inst_block = &mm->bar1.inst_block;
         u32 big_page_size = gk20a_get_platform(g->dev)->default_big_page_size;
 
         mm->bar1.aperture_size = bar1_aperture_size_mb_gk20a() << 20;
@@ -4653,7 +4653,7 @@ static int gk20a_init_system_vm(struct mm_gk20a *mm)
         int err;
         struct vm_gk20a *vm = &mm->pmu.vm;
         struct gk20a *g = gk20a_from_mm(mm);
-        struct mem_desc *inst_block = &mm->pmu.inst_block;
+        struct nvgpu_mem *inst_block = &mm->pmu.inst_block;
         u32 big_page_size = gk20a_get_platform(g->dev)->default_big_page_size;
         u32 low_hole, aperture_size;
 
@@ -4691,7 +4691,7 @@ static int gk20a_init_hwpm(struct mm_gk20a *mm)
         int err;
         struct vm_gk20a *vm = &mm->pmu.vm;
         struct gk20a *g = gk20a_from_mm(mm);
-        struct mem_desc *inst_block = &mm->hwpm.inst_block;
+        struct nvgpu_mem *inst_block = &mm->hwpm.inst_block;
 
         err = gk20a_alloc_inst_block(g, inst_block);
         if (err)
@@ -4727,7 +4727,7 @@ static int gk20a_init_ce_vm(struct mm_gk20a *mm)
                         false, false, "ce");
 }
 
-void gk20a_mm_init_pdb(struct gk20a *g, struct mem_desc *inst_block,
+void gk20a_mm_init_pdb(struct gk20a *g, struct nvgpu_mem *inst_block,
                 struct vm_gk20a *vm)
 {
         u64 pdb_addr = gk20a_mem_get_base_addr(g, &vm->pdb.mem, 0);
@@ -4747,7 +4747,7 @@ void gk20a_mm_init_pdb(struct gk20a *g, struct mem_desc *inst_block,
                 ram_in_page_dir_base_hi_f(pdb_addr_hi));
 }
 
-void gk20a_init_inst_block(struct mem_desc *inst_block, struct vm_gk20a *vm,
+void gk20a_init_inst_block(struct nvgpu_mem *inst_block, struct vm_gk20a *vm,
                 u32 big_page_size)
 {
         struct gk20a *g = gk20a_from_vm(vm);
diff --git a/drivers/gpu/nvgpu/gk20a/mm_gk20a.h b/drivers/gpu/nvgpu/gk20a/mm_gk20a.h
index 3c701907..db72ca79 100644
--- a/drivers/gpu/nvgpu/gk20a/mm_gk20a.h
+++ b/drivers/gpu/nvgpu/gk20a/mm_gk20a.h
@@ -24,7 +24,7 @@
 #include <asm/dma-iommu.h>
 #include <asm/cacheflush.h>
 
-#include <nvgpu/mem_desc.h>
+#include <nvgpu/nvgpu_mem.h>
 #include <nvgpu/allocator.h>
 #include <nvgpu/list.h>
 #include <nvgpu/rbtree.h>
@@ -47,7 +47,7 @@ enum gk20a_mem_rw_flag {
 };
 
 struct gpfifo_desc {
-        struct mem_desc mem;
+        struct nvgpu_mem mem;
         u32 entry_num;
 
         u32 get;
@@ -61,7 +61,7 @@ struct gpfifo_desc {
 };
 
 struct patch_desc {
-        struct mem_desc mem;
+        struct nvgpu_mem mem;
         u32 data_count;
 };
 
@@ -72,14 +72,14 @@ struct zcull_ctx_desc {
 };
 
 struct pm_ctx_desc {
-        struct mem_desc mem;
+        struct nvgpu_mem mem;
         u32 pm_mode;
 };
 
 struct gk20a;
 
 struct compbit_store_desc {
-        struct mem_desc mem;
+        struct nvgpu_mem mem;
 
         /* The value that is written to the hardware. This depends on
          * on the number of ltcs and is not an address. */
@@ -124,7 +124,7 @@ struct gk20a_comptags {
 
 struct gk20a_mm_entry {
         /* backing for */
-        struct mem_desc mem;
+        struct nvgpu_mem mem;
         u32 woffset; /* if >0, mem is a shadow copy, owned by another entry */
         int pgsz;
         struct gk20a_mm_entry *entries;
@@ -132,7 +132,7 @@ struct gk20a_mm_entry {
 };
 
 struct priv_cmd_queue {
-        struct mem_desc mem;
+        struct nvgpu_mem mem;
         u32 size;       /* num of entries in words */
         u32 put;        /* put for priv cmd queue */
         u32 get;        /* get for priv cmd queue */
@@ -140,7 +140,7 @@ struct priv_cmd_queue {
 
 struct priv_cmd_entry {
         bool valid;
-        struct mem_desc *mem;
+        struct nvgpu_mem *mem;
         u32 off;        /* offset in mem, in u32 entries */
         u64 gva;
         u32 get;        /* start of entry in queue */
@@ -335,24 +335,24 @@ struct mm_gk20a {
         struct {
                 u32 aperture_size;
                 struct vm_gk20a vm;
-                struct mem_desc inst_block;
+                struct nvgpu_mem inst_block;
         } bar1;
 
         struct {
                 u32 aperture_size;
                 struct vm_gk20a vm;
-                struct mem_desc inst_block;
+                struct nvgpu_mem inst_block;
         } bar2;
 
         struct {
                 u32 aperture_size;
                 struct vm_gk20a vm;
-                struct mem_desc inst_block;
+                struct nvgpu_mem inst_block;
         } pmu;
 
         struct {
                 /* using pmu vm currently */
-                struct mem_desc inst_block;
+                struct nvgpu_mem inst_block;
         } hwpm;
 
         struct {
@@ -367,7 +367,7 @@ struct mm_gk20a {
         struct nvgpu_mutex tlb_lock;
         struct nvgpu_mutex priv_lock;
 #ifdef CONFIG_ARCH_TEGRA_18x_SOC
-        struct mem_desc bar2_desc;
+        struct nvgpu_mem bar2_desc;
 #endif
         /*
          * Separate function to cleanup the CE since it requires a channel to
@@ -397,7 +397,7 @@ struct mm_gk20a {
         /* false if vidmem aperture actually points to sysmem */
         bool vidmem_is_vidmem;
 
-        struct mem_desc sysmem_flush;
+        struct nvgpu_mem sysmem_flush;
 
         u32 pramin_window;
         struct nvgpu_spinlock pramin_window_lock;
@@ -475,11 +475,11 @@ struct nvgpu_page_alloc *get_vidmem_page_alloc(struct scatterlist *sgl);
 #define bar1_instance_block_shift_gk20a() bus_bar1_block_ptr_shift_v()
 #endif
 
-int gk20a_alloc_inst_block(struct gk20a *g, struct mem_desc *inst_block);
-void gk20a_free_inst_block(struct gk20a *g, struct mem_desc *inst_block);
-void gk20a_init_inst_block(struct mem_desc *inst_block, struct vm_gk20a *vm,
+int gk20a_alloc_inst_block(struct gk20a *g, struct nvgpu_mem *inst_block);
+void gk20a_free_inst_block(struct gk20a *g, struct nvgpu_mem *inst_block);
+void gk20a_init_inst_block(struct nvgpu_mem *inst_block, struct vm_gk20a *vm,
                 u32 big_page_size);
-u64 gk20a_mm_inst_block_addr(struct gk20a *g, struct mem_desc *mem);
+u64 gk20a_mm_inst_block_addr(struct gk20a *g, struct nvgpu_mem *mem);
 
 void gk20a_mm_dump_vm(struct vm_gk20a *vm,
                 u64 va_begin, u64 va_end, char *label);
@@ -499,7 +499,7 @@ void gk20a_free_sgtable(struct gk20a *g, struct sg_table **sgt);
 u64 gk20a_mm_iova_addr(struct gk20a *g, struct scatterlist *sgl,
                 u32 flags);
 u64 gk20a_mm_smmu_vaddr_translate(struct gk20a *g, dma_addr_t iova);
-u64 gk20a_mem_get_base_addr(struct gk20a *g, struct mem_desc *mem,
+u64 gk20a_mem_get_base_addr(struct gk20a *g, struct nvgpu_mem *mem,
                             u32 flags);
 
 void gk20a_mm_ltc_isr(struct gk20a *g);
@@ -542,39 +542,39 @@ u64 gk20a_gmmu_fixed_map(struct vm_gk20a *vm,
 #define NVGPU_DMA_READ_ONLY             (1 << 2)
 
 int gk20a_gmmu_alloc_map(struct vm_gk20a *vm, size_t size,
-                struct mem_desc *mem);
+                struct nvgpu_mem *mem);
 int gk20a_gmmu_alloc_map_flags(struct vm_gk20a *vm, unsigned long flags,
-                size_t size, struct mem_desc *mem);
+                size_t size, struct nvgpu_mem *mem);
 
 int gk20a_gmmu_alloc_map_sys(struct vm_gk20a *vm, size_t size,
-                struct mem_desc *mem);
+                struct nvgpu_mem *mem);
 int gk20a_gmmu_alloc_map_flags_sys(struct vm_gk20a *vm, unsigned long flags,
-                size_t size, struct mem_desc *mem);
+                size_t size, struct nvgpu_mem *mem);
 
 int gk20a_gmmu_alloc_map_vid(struct vm_gk20a *vm, size_t size,
-                struct mem_desc *mem);
+                struct nvgpu_mem *mem);
 int gk20a_gmmu_alloc_map_flags_vid(struct vm_gk20a *vm, unsigned long flags,
-                size_t size, struct mem_desc *mem);
+                size_t size, struct nvgpu_mem *mem);
 
-void gk20a_gmmu_unmap_free(struct vm_gk20a *vm, struct mem_desc *mem);
+void gk20a_gmmu_unmap_free(struct vm_gk20a *vm, struct nvgpu_mem *mem);
 
-int gk20a_gmmu_alloc(struct gk20a *g, size_t size, struct mem_desc *mem);
+int gk20a_gmmu_alloc(struct gk20a *g, size_t size, struct nvgpu_mem *mem);
 int gk20a_gmmu_alloc_flags(struct gk20a *g, unsigned long flags, size_t size,
-                struct mem_desc *mem);
+                struct nvgpu_mem *mem);
 
-int gk20a_gmmu_alloc_sys(struct gk20a *g, size_t size, struct mem_desc *mem);
+int gk20a_gmmu_alloc_sys(struct gk20a *g, size_t size, struct nvgpu_mem *mem);
 int gk20a_gmmu_alloc_flags_sys(struct gk20a *g, unsigned long flags,
-                size_t size, struct mem_desc *mem);
+                size_t size, struct nvgpu_mem *mem);
 
-int gk20a_gmmu_alloc_vid(struct gk20a *g, size_t size, struct mem_desc *mem);
+int gk20a_gmmu_alloc_vid(struct gk20a *g, size_t size, struct nvgpu_mem *mem);
 int gk20a_gmmu_alloc_flags_vid(struct gk20a *g, unsigned long flags,
-                size_t size, struct mem_desc *mem);
+                size_t size, struct nvgpu_mem *mem);
 int gk20a_gmmu_alloc_flags_vid_at(struct gk20a *g, unsigned long flags,
-                size_t size, struct mem_desc *mem, dma_addr_t at);
+                size_t size, struct nvgpu_mem *mem, dma_addr_t at);
 
-void gk20a_gmmu_free(struct gk20a *g, struct mem_desc *mem);
+void gk20a_gmmu_free(struct gk20a *g, struct nvgpu_mem *mem);
 
-static inline phys_addr_t gk20a_mem_phys(struct mem_desc *mem)
+static inline phys_addr_t gk20a_mem_phys(struct nvgpu_mem *mem)
 {
         /* FIXME: the sgt/sgl may get null if this is accessed e.g. in an isr
          * during channel deletion - attempt to fix at least null derefs */
@@ -591,7 +591,7 @@ static inline phys_addr_t gk20a_mem_phys(struct mem_desc *mem)
 
 u32 __nvgpu_aperture_mask(struct gk20a *g, enum nvgpu_aperture aperture,
                 u32 sysmem_mask, u32 vidmem_mask);
-u32 nvgpu_aperture_mask(struct gk20a *g, struct mem_desc *mem,
+u32 nvgpu_aperture_mask(struct gk20a *g, struct nvgpu_mem *mem,
                 u32 sysmem_mask, u32 vidmem_mask);
 
 void gk20a_pde_wr32(struct gk20a *g, struct gk20a_mm_entry *entry,
@@ -769,10 +769,10 @@ struct gpu_ops;
 void gk20a_init_mm(struct gpu_ops *gops);
 const struct gk20a_mmu_level *gk20a_mm_get_mmu_levels(struct gk20a *g,
                                                       u32 big_page_size);
-void gk20a_mm_init_pdb(struct gk20a *g, struct mem_desc *mem,
+void gk20a_mm_init_pdb(struct gk20a *g, struct nvgpu_mem *mem,
                 struct vm_gk20a *vm);
 
-void gk20a_remove_vm(struct vm_gk20a *vm, struct mem_desc *inst_block);
+void gk20a_remove_vm(struct vm_gk20a *vm, struct nvgpu_mem *inst_block);
 
 int gk20a_big_pages_possible(struct vm_gk20a *vm, u64 base, u64 size);
 
diff --git a/drivers/gpu/nvgpu/gk20a/pmu_gk20a.c b/drivers/gpu/nvgpu/gk20a/pmu_gk20a.c
index e70e50c2..591b7163 100644
--- a/drivers/gpu/nvgpu/gk20a/pmu_gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/pmu_gk20a.c
@@ -4743,7 +4743,7 @@ clean_up:
         return err;
 }
 
-void gk20a_pmu_surface_describe(struct gk20a *g, struct mem_desc *mem,
+void gk20a_pmu_surface_describe(struct gk20a *g, struct nvgpu_mem *mem,
                 struct flcn_mem_desc_v0 *fb)
 {
         fb->address.lo = u64_lo32(mem->gpu_va);
@@ -4752,7 +4752,7 @@ void gk20a_pmu_surface_describe(struct gk20a *g, struct mem_desc *mem,
         fb->params |= (GK20A_PMU_DMAIDX_VIRT << 24);
 }
 
-int gk20a_pmu_vidmem_surface_alloc(struct gk20a *g, struct mem_desc *mem,
+int gk20a_pmu_vidmem_surface_alloc(struct gk20a *g, struct nvgpu_mem *mem,
                 u32 size)
 {
         struct mm_gk20a *mm = &g->mm;
@@ -4768,7 +4768,7 @@ int gk20a_pmu_vidmem_surface_alloc(struct gk20a *g, struct mem_desc *mem,
         return 0;
 }
 
-int gk20a_pmu_sysmem_surface_alloc(struct gk20a *g, struct mem_desc *mem,
+int gk20a_pmu_sysmem_surface_alloc(struct gk20a *g, struct nvgpu_mem *mem,
                 u32 size)
 {
         struct mm_gk20a *mm = &g->mm;
@@ -4784,10 +4784,10 @@ int gk20a_pmu_sysmem_surface_alloc(struct gk20a *g, struct mem_desc *mem,
         return 0;
 }
 
-void gk20a_pmu_surface_free(struct gk20a *g, struct mem_desc *mem)
+void gk20a_pmu_surface_free(struct gk20a *g, struct nvgpu_mem *mem)
 {
         gk20a_gmmu_free(g, mem);
-        memset(mem, 0, sizeof(struct mem_desc));
+        memset(mem, 0, sizeof(struct nvgpu_mem));
 }
 
 int gk20a_pmu_cmd_post(struct gk20a *g, struct pmu_cmd *cmd,
@@ -4860,7 +4860,8 @@ int gk20a_pmu_cmd_post(struct gk20a *g, struct pmu_cmd *cmd,
                         goto clean_up;
 
                 if (payload->in.fb_size != 0x0) {
-                        seq->in_mem = nvgpu_kzalloc(g, sizeof(struct mem_desc));
+                        seq->in_mem = nvgpu_kzalloc(g,
+                                                    sizeof(struct nvgpu_mem));
                         if (!seq->in_mem) {
                                 err = -ENOMEM;
                                 goto clean_up;
@@ -4904,7 +4905,7 @@ int gk20a_pmu_cmd_post(struct gk20a *g, struct pmu_cmd *cmd,
 
                         if (payload->out.fb_size != 0x0) {
                                 seq->out_mem = nvgpu_kzalloc(g,
-                                        sizeof(struct mem_desc));
+                                        sizeof(struct nvgpu_mem));
                                 if (!seq->out_mem) {
                                         err = -ENOMEM;
                                         goto clean_up;
diff --git a/drivers/gpu/nvgpu/gk20a/pmu_gk20a.h b/drivers/gpu/nvgpu/gk20a/pmu_gk20a.h
index 88649d8e..84161304 100644
--- a/drivers/gpu/nvgpu/gk20a/pmu_gk20a.h
+++ b/drivers/gpu/nvgpu/gk20a/pmu_gk20a.h
@@ -185,8 +185,8 @@ struct pmu_payload {
 };
 
 struct pmu_surface {
-        struct mem_desc vidmem_desc;
-        struct mem_desc sysmem_desc;
+        struct nvgpu_mem vidmem_desc;
+        struct nvgpu_mem sysmem_desc;
         struct flcn_mem_desc_v0 params;
 };
 
@@ -204,14 +204,14 @@ struct pmu_sequence {
                 struct pmu_allocation_v2 in_v2;
                 struct pmu_allocation_v3 in_v3;
         };
-        struct mem_desc *in_mem;
+        struct nvgpu_mem *in_mem;
         union {
                 struct pmu_allocation_v0 out_v0;
                 struct pmu_allocation_v1 out_v1;
                 struct pmu_allocation_v2 out_v2;
                 struct pmu_allocation_v3 out_v3;
         };
-        struct mem_desc *out_mem;
+        struct nvgpu_mem *out_mem;
         u8 *out_payload;
         pmu_callback callback;
         void* cb_params;
@@ -314,13 +314,13 @@ struct pmu_gk20a {
                 struct pmu_ucode_desc *desc;
                 struct pmu_ucode_desc_v1 *desc_v1;
         };
-        struct mem_desc ucode;
+        struct nvgpu_mem ucode;
 
-        struct mem_desc pg_buf;
+        struct nvgpu_mem pg_buf;
         /* TBD: remove this if ZBC seq is fixed */
-        struct mem_desc seq_buf;
-        struct mem_desc trace_buf;
-        struct mem_desc wpr_buf;
+        struct nvgpu_mem seq_buf;
+        struct nvgpu_mem trace_buf;
+        struct nvgpu_mem wpr_buf;
         bool buf_loaded;
 
         struct pmu_sha1_gid gid_info;
@@ -459,12 +459,12 @@ int gk20a_pmu_reset(struct gk20a *g);
 int pmu_idle(struct pmu_gk20a *pmu);
 int pmu_enable_hw(struct pmu_gk20a *pmu, bool enable);
 
-void gk20a_pmu_surface_free(struct gk20a *g, struct mem_desc *mem);
-void gk20a_pmu_surface_describe(struct gk20a *g, struct mem_desc *mem,
+void gk20a_pmu_surface_free(struct gk20a *g, struct nvgpu_mem *mem);
+void gk20a_pmu_surface_describe(struct gk20a *g, struct nvgpu_mem *mem,
                 struct flcn_mem_desc_v0 *fb);
-int gk20a_pmu_vidmem_surface_alloc(struct gk20a *g, struct mem_desc *mem,
+int gk20a_pmu_vidmem_surface_alloc(struct gk20a *g, struct nvgpu_mem *mem,
                 u32 size);
-int gk20a_pmu_sysmem_surface_alloc(struct gk20a *g, struct mem_desc *mem,
+int gk20a_pmu_sysmem_surface_alloc(struct gk20a *g, struct nvgpu_mem *mem,
                 u32 size);
 
 #endif /*__PMU_GK20A_H__*/
diff --git a/drivers/gpu/nvgpu/gk20a/pramin_gk20a.c b/drivers/gpu/nvgpu/gk20a/pramin_gk20a.c
index 7e6005a2..9106bbe0 100644
--- a/drivers/gpu/nvgpu/gk20a/pramin_gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/pramin_gk20a.c
@@ -24,7 +24,7 @@
 #include <nvgpu/hw/gk20a/hw_pram_gk20a.h>
 
 /* WARNING: returns pramin_window_lock taken, complement with pramin_exit() */
-static u32 gk20a_pramin_enter(struct gk20a *g, struct mem_desc *mem,
+static u32 gk20a_pramin_enter(struct gk20a *g, struct nvgpu_mem *mem,
                               struct page_alloc_chunk *chunk, u32 w)
 {
         u64 bufbase = chunk->base;
@@ -55,7 +55,7 @@ static u32 gk20a_pramin_enter(struct gk20a *g, struct mem_desc *mem,
         return lo;
 }
 
-static void gk20a_pramin_exit(struct gk20a *g, struct mem_desc *mem,
+static void gk20a_pramin_exit(struct gk20a *g, struct nvgpu_mem *mem,
                               struct page_alloc_chunk *chunk)
 {
         gk20a_dbg(gpu_dbg_mem, "end for %p,%p", mem, chunk);