| /* |
| * Copyright 2019 Red Hat Inc. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included in |
| * all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR |
| * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
| * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
| * OTHER DEALINGS IN THE SOFTWARE. |
| */ |
| #ifndef __NVHW_DRF_H__ |
| #define __NVHW_DRF_H__ |
| |
| /* Helpers common to all DRF accessors. */ |
| #define DRF_LO(drf) (0 ? drf) |
| #define DRF_HI(drf) (1 ? drf) |
| #define DRF_BITS(drf) (DRF_HI(drf) - DRF_LO(drf) + 1) |
| #define DRF_MASK(drf) (~0ULL >> (64 - DRF_BITS(drf))) |
| #define DRF_SMASK(drf) (DRF_MASK(drf) << DRF_LO(drf)) |
| |
| /* Helpers for DRF-MW accessors. */ |
| #define DRF_MX_MW(drf) drf |
| #define DRF_MX(drf) DRF_MX_##drf |
| #define DRF_MW(drf) DRF_MX(drf) |
| #define DRF_MW_SPANS(o,drf) (DRF_LW_IDX((o),drf) != DRF_HW_IDX((o),drf)) |
| #define DRF_MW_SIZE(o) (sizeof((o)[0]) * 8) |
| |
| #define DRF_LW_IDX(o,drf) (DRF_LO(DRF_MW(drf)) / DRF_MW_SIZE(o)) |
| #define DRF_LW_LO(o,drf) (DRF_LO(DRF_MW(drf)) % DRF_MW_SIZE(o)) |
| #define DRF_LW_HI(o,drf) (DRF_MW_SPANS((o),drf) ? (DRF_MW_SIZE(o) - 1) : DRF_HW_HI((o),drf)) |
| #define DRF_LW_BITS(o,drf) (DRF_LW_HI((o),drf) - DRF_LW_LO((o),drf) + 1) |
| #define DRF_LW_MASK(o,drf) (~0ULL >> (64 - DRF_LW_BITS((o),drf))) |
| #define DRF_LW_SMASK(o,drf) (DRF_LW_MASK((o),drf) << DRF_LW_LO((o),drf)) |
| #define DRF_LW_GET(o,drf) (((o)[DRF_LW_IDX((o),drf)] >> DRF_LW_LO((o),drf)) & DRF_LW_MASK((o),drf)) |
| #define DRF_LW_VAL(o,drf,v) (((v) & DRF_LW_MASK((o),drf)) << DRF_LW_LO((o),drf)) |
| #define DRF_LW_CLR(o,drf) ((o)[DRF_LW_IDX((o),drf)] & ~DRF_LW_SMASK((o),drf)) |
| #define DRF_LW_SET(o,drf,v) (DRF_LW_CLR((o),drf) | DRF_LW_VAL((o),drf,(v))) |
| |
| #define DRF_HW_IDX(o,drf) (DRF_HI(DRF_MW(drf)) / DRF_MW_SIZE(o)) |
| #define DRF_HW_LO(o,drf) 0 |
| #define DRF_HW_HI(o,drf) (DRF_HI(DRF_MW(drf)) % DRF_MW_SIZE(o)) |
| #define DRF_HW_BITS(o,drf) (DRF_HW_HI((o),drf) - DRF_HW_LO((o),drf) + 1) |
| #define DRF_HW_MASK(o,drf) (~0ULL >> (64 - DRF_HW_BITS((o),drf))) |
| #define DRF_HW_SMASK(o,drf) (DRF_HW_MASK((o),drf) << DRF_HW_LO((o),drf)) |
| #define DRF_HW_GET(o,drf) ((o)[DRF_HW_IDX(o,drf)] & DRF_HW_SMASK((o),drf)) |
| #define DRF_HW_VAL(o,drf,v) (((long long)(v) >> DRF_LW_BITS((o),drf)) & DRF_HW_SMASK((o),drf)) |
| #define DRF_HW_CLR(o,drf) ((o)[DRF_HW_IDX((o),drf)] & ~DRF_HW_SMASK((o),drf)) |
| #define DRF_HW_SET(o,drf,v) (DRF_HW_CLR((o),drf) | DRF_HW_VAL((o),drf,(v))) |
| |
| /* DRF accessors. */ |
| #define NVVAL_X(drf,v) (((v) & DRF_MASK(drf)) << DRF_LO(drf)) |
| #define NVVAL_N(X,d,r,f, v) NVVAL_X(d##_##r##_##f, (v)) |
| #define NVVAL_I(X,d,r,f,i,v) NVVAL_X(d##_##r##_##f(i), (v)) |
| #define NVVAL_(X,_1,_2,_3,_4,_5,IMPL,...) IMPL |
| #define NVVAL(A...) NVVAL_(X, ##A, NVVAL_I, NVVAL_N)(X, ##A) |
| |
| #define NVDEF_N(X,d,r,f, v) NVVAL_X(d##_##r##_##f, d##_##r##_##f##_##v) |
| #define NVDEF_I(X,d,r,f,i,v) NVVAL_X(d##_##r##_##f(i), d##_##r##_##f##_##v) |
| #define NVDEF_(X,_1,_2,_3,_4,_5,IMPL,...) IMPL |
| #define NVDEF(A...) NVDEF_(X, ##A, NVDEF_I, NVDEF_N)(X, ##A) |
| |
| #define NVVAL_GET_X(o,drf) (((o) >> DRF_LO(drf)) & DRF_MASK(drf)) |
| #define NVVAL_GET_N(X,o,d,r,f ) NVVAL_GET_X(o, d##_##r##_##f) |
| #define NVVAL_GET_I(X,o,d,r,f,i) NVVAL_GET_X(o, d##_##r##_##f(i)) |
| #define NVVAL_GET_(X,_1,_2,_3,_4,_5,IMPL,...) IMPL |
| #define NVVAL_GET(A...) NVVAL_GET_(X, ##A, NVVAL_GET_I, NVVAL_GET_N)(X, ##A) |
| |
| #define NVVAL_TEST_X(o,drf,cmp,drfv) (NVVAL_GET_X((o), drf) cmp drfv) |
| #define NVVAL_TEST_N(X,o,d,r,f, cmp,v) NVVAL_TEST_X(o, d##_##r##_##f , cmp, (v)) |
| #define NVVAL_TEST_I(X,o,d,r,f,i,cmp,v) NVVAL_TEST_X(o, d##_##r##_##f(i), cmp, (v)) |
| #define NVVAL_TEST_(X,_1,_2,_3,_4,_5,_6,_7,IMPL,...) IMPL |
| #define NVVAL_TEST(A...) NVVAL_TEST_(X, ##A, NVVAL_TEST_I, NVVAL_TEST_N)(X, ##A) |
| |
| #define NVDEF_TEST_N(X,o,d,r,f, cmp,v) NVVAL_TEST_X(o, d##_##r##_##f , cmp, d##_##r##_##f##_##v) |
| #define NVDEF_TEST_I(X,o,d,r,f,i,cmp,v) NVVAL_TEST_X(o, d##_##r##_##f(i), cmp, d##_##r##_##f##_##v) |
| #define NVDEF_TEST_(X,_1,_2,_3,_4,_5,_6,_7,IMPL,...) IMPL |
| #define NVDEF_TEST(A...) NVDEF_TEST_(X, ##A, NVDEF_TEST_I, NVDEF_TEST_N)(X, ##A) |
| |
| #define NVVAL_SET_X(o,drf,v) (((o) & ~DRF_SMASK(drf)) | NVVAL_X(drf, (v))) |
| #define NVVAL_SET_N(X,o,d,r,f, v) NVVAL_SET_X(o, d##_##r##_##f, (v)) |
| #define NVVAL_SET_I(X,o,d,r,f,i,v) NVVAL_SET_X(o, d##_##r##_##f(i), (v)) |
| #define NVVAL_SET_(X,_1,_2,_3,_4,_5,_6,IMPL,...) IMPL |
| #define NVVAL_SET(A...) NVVAL_SET_(X, ##A, NVVAL_SET_I, NVVAL_SET_N)(X, ##A) |
| |
| #define NVDEF_SET_N(X,o,d,r,f, v) NVVAL_SET_X(o, d##_##r##_##f, d##_##r##_##f##_##v) |
| #define NVDEF_SET_I(X,o,d,r,f,i,v) NVVAL_SET_X(o, d##_##r##_##f(i), d##_##r##_##f##_##v) |
| #define NVDEF_SET_(X,_1,_2,_3,_4,_5,_6,IMPL,...) IMPL |
| #define NVDEF_SET(A...) NVDEF_SET_(X, ##A, NVDEF_SET_I, NVDEF_SET_N)(X, ##A) |
| |
| /* DRF-MW accessors. */ |
| #define NVVAL_MW_GET_X(o,drf) \ |
| ((DRF_MW_SPANS((o),drf) ? \ |
| (DRF_HW_GET((o),drf) << DRF_LW_BITS((o),drf)) : 0) | DRF_LW_GET((o),drf)) |
| #define NVVAL_MW_GET_N(X,o,d,r,f ) NVVAL_MW_GET_X((o), d##_##r##_##f) |
| #define NVVAL_MW_GET_I(X,o,d,r,f,i) NVVAL_MW_GET_X((o), d##_##r##_##f(i)) |
| #define NVVAL_MW_GET_(X,_1,_2,_3,_4,_5,IMPL,...) IMPL |
| #define NVVAL_MW_GET(A...) NVVAL_MW_GET_(X, ##A, NVVAL_MW_GET_I, NVVAL_MW_GET_N)(X, ##A) |
| |
| #define NVVAL_MW_SET_X(o,drf,v) do { \ |
| (o)[DRF_LW_IDX((o),drf)] = DRF_LW_SET((o),drf,(v)); \ |
| if (DRF_MW_SPANS((o),drf)) \ |
| (o)[DRF_HW_IDX((o),drf)] = DRF_HW_SET((o),drf,(v)); \ |
| } while(0) |
| #define NVVAL_MW_SET_N(X,o,d,r,f, v) NVVAL_MW_SET_X((o), d##_##r##_##f, (v)) |
| #define NVVAL_MW_SET_I(X,o,d,r,f,i,v) NVVAL_MW_SET_X((o), d##_##r##_##f(i), (v)) |
| #define NVVAL_MW_SET_(X,_1,_2,_3,_4,_5,_6,IMPL,...) IMPL |
| #define NVVAL_MW_SET(A...) NVVAL_MW_SET_(X, ##A, NVVAL_MW_SET_I, NVVAL_MW_SET_N)(X, ##A) |
| |
| #define NVDEF_MW_SET_N(X,o,d,r,f, v) NVVAL_MW_SET_X(o, d##_##r##_##f, d##_##r##_##f##_##v) |
| #define NVDEF_MW_SET_I(X,o,d,r,f,i,v) NVVAL_MW_SET_X(o, d##_##r##_##f(i), d##_##r##_##f##_##v) |
| #define NVDEF_MW_SET_(X,_1,_2,_3,_4,_5,_6,IMPL,...) IMPL |
| #define NVDEF_MW_SET(A...) NVDEF_MW_SET_(X, ##A, NVDEF_MW_SET_I, NVDEF_MW_SET_N)(X, ##A) |
| |
| /* Helper for reading an arbitrary object. */ |
| #define DRF_RD_X(e,p,o,dr) e((p), (o), dr) |
| #define DRF_RD_N(X,e,p,o,d,r ) DRF_RD_X(e, (p), (o), d##_##r) |
| #define DRF_RD_I(X,e,p,o,d,r,i) DRF_RD_X(e, (p), (o), d##_##r(i)) |
| #define DRF_RD_(X,_1,_2,_3,_4,_5,_6,IMPL,...) IMPL |
| #define DRF_RD(A...) DRF_RD_(X, ##A, DRF_RD_I, DRF_RD_N)(X, ##A) |
| |
| /* Helper for writing an arbitrary object. */ |
| #define DRF_WR_X(e,p,o,dr,v) e((p), (o), dr, (v)) |
| #define DRF_WR_N(X,e,p,o,d,r, v) DRF_WR_X(e, (p), (o), d##_##r , (v)) |
| #define DRF_WR_I(X,e,p,o,d,r,i,v) DRF_WR_X(e, (p), (o), d##_##r(i), (v)) |
| #define DRF_WR_(X,_1,_2,_3,_4,_5,_6,_7,IMPL,...) IMPL |
| #define DRF_WR(A...) DRF_WR_(X, ##A, DRF_WR_I, DRF_WR_N)(X, ##A) |
| |
| /* Helper for modifying an arbitrary object. */ |
| #define DRF_MR_X(er,ew,ty,p,o,dr,m,v) ({ \ |
| ty _t = DRF_RD_X(er, (p), (o), dr); \ |
| DRF_WR_X(ew, (p), (o), dr, (_t & ~(m)) | (v)); \ |
| _t; \ |
| }) |
| #define DRF_MR_N(X,er,ew,ty,p,o,d,r ,m,v) DRF_MR_X(er, ew, ty, (p), (o), d##_##r , (m), (v)) |
| #define DRF_MR_I(X,er,ew,ty,p,o,d,r,i,m,v) DRF_MR_X(er, ew, ty, (p), (o), d##_##r(i), (m), (v)) |
| #define DRF_MR_(X,_1,_2,_3,_4,_5,_6,_7,_8,_9,_10,IMPL,...) IMPL |
| #define DRF_MR(A...) DRF_MR_(X, ##A, DRF_MR_I, DRF_MR_N)(X, ##A) |
| |
| /* Helper for extracting a field value from arbitrary object. */ |
| #define DRF_RV_X(e,p,o,dr,drf) NVVAL_GET_X(DRF_RD_X(e, (p), (o), dr), drf) |
| #define DRF_RV_N(X,e,p,o,d,r, f) DRF_RV_X(e, (p), (o), d##_##r , d##_##r##_##f) |
| #define DRF_RV_I(X,e,p,o,d,r,i,f) DRF_RV_X(e, (p), (o), d##_##r(i), d##_##r##_##f) |
| #define DRF_RV_(X,_1,_2,_3,_4,_5,_6,_7,IMPL,...) IMPL |
| #define DRF_RV(A...) DRF_RV_(X, ##A, DRF_RV_I, DRF_RV_N)(X, ##A) |
| |
| /* Helper for writing field value to arbitrary object (all other bits cleared). */ |
| #define DRF_WV_N(X,e,p,o,d,r, f,v) \ |
| DRF_WR_X(e, (p), (o), d##_##r , NVVAL_X(d##_##r##_##f, (v))) |
| #define DRF_WV_I(X,e,p,o,d,r,i,f,v) \ |
| DRF_WR_X(e, (p), (o), d##_##r(i), NVVAL_X(d##_##r##_##f, (v))) |
| #define DRF_WV_(X,_1,_2,_3,_4,_5,_6,_7,_8,IMPL,...) IMPL |
| #define DRF_WV(A...) DRF_WV_(X, ##A, DRF_WV_I, DRF_WV_N)(X, ##A) |
| |
| /* Helper for writing field definition to arbitrary object (all other bits cleared). */ |
| #define DRF_WD_N(X,e,p,o,d,r, f,v) \ |
| DRF_WR_X(e, (p), (o), d##_##r , NVVAL_X(d##_##r##_##f, d##_##r##_##f##_##v)) |
| #define DRF_WD_I(X,e,p,o,d,r,i,f,v) \ |
| DRF_WR_X(e, (p), (o), d##_##r(i), NVVAL_X(d##_##r##_##f, d##_##r##_##f##_##v)) |
| #define DRF_WD_(X,_1,_2,_3,_4,_5,_6,_7,_8,IMPL,...) IMPL |
| #define DRF_WD(A...) DRF_WD_(X, ##A, DRF_WD_I, DRF_WD_N)(X, ##A) |
| |
| /* Helper for modifying field value in arbitrary object. */ |
| #define DRF_MV_N(X,er,ew,ty,p,o,d,r, f,v) \ |
| NVVAL_GET_X(DRF_MR_X(er, ew, ty, (p), (o), d##_##r , DRF_SMASK(d##_##r##_##f), \ |
| NVVAL_X(d##_##r##_##f, (v))), d##_##r##_##f) |
| #define DRF_MV_I(X,er,ew,ty,p,o,d,r,i,f,v) \ |
| NVVAL_GET_X(DRF_MR_X(er, ew, ty, (p), (o), d##_##r(i), DRF_SMASK(d##_##r##_##f), \ |
| NVVAL_X(d##_##r##_##f, (v))), d##_##r##_##f) |
| #define DRF_MV_(X,_1,_2,_3,_4,_5,_6,_7,_8,_9,_10,IMPL,...) IMPL |
| #define DRF_MV(A...) DRF_MV_(X, ##A, DRF_MV_I, DRF_MV_N)(X, ##A) |
| |
| /* Helper for modifying field definition in arbitrary object. */ |
| #define DRF_MD_N(X,er,ew,ty,p,o,d,r, f,v) \ |
| NVVAL_GET_X(DRF_MR_X(er, ew, ty, (p), (o), d##_##r , DRF_SMASK(d##_##r##_##f), \ |
| NVVAL_X(d##_##r##_##f, d##_##r##_##f##_##v)), d##_##r##_##f) |
| #define DRF_MD_I(X,er,ew,ty,p,o,d,r,i,f,v) \ |
| NVVAL_GET_X(DRF_MR_X(er, ew, ty, (p), (o), d##_##r(i), DRF_SMASK(d##_##r##_##f), \ |
| NVVAL_X(d##_##r##_##f, d##_##r##_##f##_##v)), d##_##r##_##f) |
| #define DRF_MD_(X,_1,_2,_3,_4,_5,_6,_7,_8,_9,_10,IMPL,...) IMPL |
| #define DRF_MD(A...) DRF_MD_(X, ##A, DRF_MD_I, DRF_MD_N)(X, ##A) |
| |
| /* Helper for testing against field value in arbitrary object */ |
| #define DRF_TV_N(X,e,p,o,d,r, f,cmp,v) \ |
| NVVAL_TEST_X(DRF_RD_X(e, (p), (o), d##_##r ), d##_##r##_##f, cmp, (v)) |
| #define DRF_TV_I(X,e,p,o,d,r,i,f,cmp,v) \ |
| NVVAL_TEST_X(DRF_RD_X(e, (p), (o), d##_##r(i)), d##_##r##_##f, cmp, (v)) |
| #define DRF_TV_(X,_1,_2,_3,_4,_5,_6,_7,_8,_9,IMPL,...) IMPL |
| #define DRF_TV(A...) DRF_TV_(X, ##A, DRF_TV_I, DRF_TV_N)(X, ##A) |
| |
| /* Helper for testing against field definition in arbitrary object */ |
| #define DRF_TD_N(X,e,p,o,d,r, f,cmp,v) \ |
| NVVAL_TEST_X(DRF_RD_X(e, (p), (o), d##_##r ), d##_##r##_##f, cmp, d##_##r##_##f##_##v) |
| #define DRF_TD_I(X,e,p,o,d,r,i,f,cmp,v) \ |
| NVVAL_TEST_X(DRF_RD_X(e, (p), (o), d##_##r(i)), d##_##r##_##f, cmp, d##_##r##_##f##_##v) |
| #define DRF_TD_(X,_1,_2,_3,_4,_5,_6,_7,_8,_9,IMPL,...) IMPL |
| #define DRF_TD(A...) DRF_TD_(X, ##A, DRF_TD_I, DRF_TD_N)(X, ##A) |
| #endif |
