pscnv/nvc0_vm.h

   1 #ifndef __NVC0_VM_H__
   2 #define __NVC0_VM_H__
   3
   4 #include "drm.h"
   5 #include "pscnv_engine.h"
   6
   7 #define NVC0_VM_SIZE            0x10000000000ULL
   8
   9 #define NVC0_SPAGE_SHIFT        12
  10 #define NVC0_LPAGE_SHIFT        17
  11 #define NVC0_SPAGE_MASK         0x00fff
  12 #define NVC0_LPAGE_MASK         0x1ffff
  13
  14 #define NVC0_VM_PDE_COUNT       0x2000
  15 #define NVC0_VM_BLOCK_SIZE      0x8000000
  16 #define NVC0_VM_BLOCK_MASK      0x7ffffff
  17 #define NVC0_VM_SPTE_COUNT      (NVC0_VM_BLOCK_SIZE >> NVC0_SPAGE_SHIFT)
  18 #define NVC0_VM_LPTE_COUNT      (NVC0_VM_BLOCK_SIZE >> NVC0_LPAGE_SHIFT)
  19
  20 #define NVC0_PDE(a)             ((a) / NVC0_VM_BLOCK_SIZE)
  21 #define NVC0_SPTE(a)            (((a) & NVC0_VM_BLOCK_MASK) >> NVC0_SPAGE_SHIFT)
  22 #define NVC0_LPTE(a)            (((a) & NVC0_VM_BLOCK_MASK) >> NVC0_LPAGE_SHIFT)
  23
  24 #define NVC0_PDE_HT_SIZE 32
  25 #define NVC0_PDE_HASH(n) (n % NVC0_PDE_HT_SIZE)
  26
  27 #define nvc0_vm(x) container_of(x, struct nvc0_vm_engine, base)
  28 #define nvc0_vs(x) ((struct nvc0_vspace *)(x)->engdata)
  29
  30 struct nvc0_pgt {
  31         struct list_head head;
  32         unsigned int pde;
  33         unsigned int limit; /* virtual range = NVC0_VM_BLOCK_SIZE >> limit */
  34         struct pscnv_bo *bo[2]; /* 128 KiB and 4 KiB page tables */
  35 };
  36
  37 struct nvc0_vm_engine {
  38         struct pscnv_vm_engine base;
  39         struct pscnv_vspace *bar1vm;
  40         struct pscnv_chan *bar1ch;
  41         struct pscnv_vspace *bar3vm;
  42         struct pscnv_chan *bar3ch;
  43 };
  44
  45 struct nvc0_vspace {
  46         struct pscnv_bo *pd;
  47         struct list_head ptht[NVC0_PDE_HT_SIZE];
  48         struct pscnv_mm_node *obj19848;
  49         struct pscnv_mm_node *obj08004;
  50         struct pscnv_mm_node *obj0800c;
  51         struct pscnv_bo *mmio_bo;
  52         struct pscnv_mm_node *mmio_vm;
  53         uint32_t mmio_count;
  54 };
  55
  56 #endif /* __NVC0_VM_H__ */