1 /* 2 * Copyright 2018 Red Hat Inc. 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice shall be included in 12 * all copies or substantial portions of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 20 * OTHER DEALINGS IN THE SOFTWARE. 21 */ 22 #include "vmm.h" 23 24 #include <subdev/fb.h> 25 #include <subdev/ltc.h> 26 27 #include <nvif/ifc00d.h> 28 #include <nvif/unpack.h> 29 30 int 31 gv100_vmm_join(struct nvkm_vmm *vmm, struct nvkm_memory *inst) 32 { 33 u64 data[2], mask; 34 int ret = gp100_vmm_join(vmm, inst), i; 35 if (ret) 36 return ret; 37 38 nvkm_kmap(inst); 39 data[0] = nvkm_ro32(inst, 0x200); 40 data[1] = nvkm_ro32(inst, 0x204); 41 mask = BIT_ULL(0); 42 43 nvkm_wo32(inst, 0x21c, 0x00000000); 44 45 for (i = 0; i < 64; i++) { 46 if (mask & BIT_ULL(i)) { 47 nvkm_wo32(inst, 0x2a4 + (i * 0x10), data[1]); 48 nvkm_wo32(inst, 0x2a0 + (i * 0x10), data[0]); 49 } else { 50 nvkm_wo32(inst, 0x2a4 + (i * 0x10), 0x00000001); 51 nvkm_wo32(inst, 0x2a0 + (i * 0x10), 0x00000001); 52 } 53 nvkm_wo32(inst, 0x2a8 + (i * 0x10), 0x00000000); 54 } 55 56 nvkm_wo32(inst, 0x298, lower_32_bits(mask)); 57 nvkm_wo32(inst, 0x29c, upper_32_bits(mask)); 58 nvkm_done(inst); 59 return 0; 60 } 61 62 static const struct nvkm_vmm_func 63 gv100_vmm = { 64 .join = gv100_vmm_join, 65 .part = gf100_vmm_part, 66 .aper = gf100_vmm_aper, 67 .valid = gp100_vmm_valid, 68 .flush = gp100_vmm_flush, 69 .mthd = gp100_vmm_mthd, 70 .invalidate_pdb = gp100_vmm_invalidate_pdb, 71 .page = { 72 { 47, &gp100_vmm_desc_16[4], NVKM_VMM_PAGE_Sxxx }, 73 { 38, &gp100_vmm_desc_16[3], NVKM_VMM_PAGE_Sxxx }, 74 { 29, &gp100_vmm_desc_16[2], NVKM_VMM_PAGE_Sxxx }, 75 { 21, &gp100_vmm_desc_16[1], NVKM_VMM_PAGE_SVxC }, 76 { 16, &gp100_vmm_desc_16[0], NVKM_VMM_PAGE_SVxC }, 77 { 12, &gp100_vmm_desc_12[0], NVKM_VMM_PAGE_SVHx }, 78 {} 79 } 80 }; 81 82 int 83 gv100_vmm_new(struct nvkm_mmu *mmu, bool managed, u64 addr, u64 size, 84 void *argv, u32 argc, struct lock_class_key *key, 85 const char *name, struct nvkm_vmm **pvmm) 86 { 87 return gp100_vmm_new_(&gv100_vmm, mmu, managed, addr, size, 88 argv, argc, key, name, pvmm); 89 } 90