| 1 | /** @file
|
|---|
| 2 | * GMM - The Global Memory Manager. (VMM)
|
|---|
| 3 | */
|
|---|
| 4 |
|
|---|
| 5 | /*
|
|---|
| 6 | * Copyright (C) 2007 Sun Microsystems, Inc.
|
|---|
| 7 | *
|
|---|
| 8 | * This file is part of VirtualBox Open Source Edition (OSE), as
|
|---|
| 9 | * available from http://www.alldomusa.eu.org. This file is free software;
|
|---|
| 10 | * you can redistribute it and/or modify it under the terms of the GNU
|
|---|
| 11 | * General Public License (GPL) as published by the Free Software
|
|---|
| 12 | * Foundation, in version 2 as it comes in the "COPYING" file of the
|
|---|
| 13 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
|
|---|
| 14 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
|
|---|
| 15 | *
|
|---|
| 16 | * The contents of this file may alternatively be used under the terms
|
|---|
| 17 | * of the Common Development and Distribution License Version 1.0
|
|---|
| 18 | * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
|
|---|
| 19 | * VirtualBox OSE distribution, in which case the provisions of the
|
|---|
| 20 | * CDDL are applicable instead of those of the GPL.
|
|---|
| 21 | *
|
|---|
| 22 | * You may elect to license modified versions of this file under the
|
|---|
| 23 | * terms and conditions of either the GPL or the CDDL or both.
|
|---|
| 24 | *
|
|---|
| 25 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
|
|---|
| 26 | * Clara, CA 95054 USA or visit http://www.sun.com if you need
|
|---|
| 27 | * additional information or have any questions.
|
|---|
| 28 | */
|
|---|
| 29 |
|
|---|
| 30 | #ifndef ___VBox_gmm_h
|
|---|
| 31 | #define ___VBox_gmm_h
|
|---|
| 32 |
|
|---|
| 33 | #include <VBox/types.h>
|
|---|
| 34 | #include <VBox/gvmm.h>
|
|---|
| 35 | #include <VBox/sup.h>
|
|---|
| 36 |
|
|---|
| 37 | RT_C_DECLS_BEGIN
|
|---|
| 38 |
|
|---|
| 39 | /** @defgroup grp_gmm GMM - The Global Memory Manager
|
|---|
| 40 | * @{
|
|---|
| 41 | */
|
|---|
| 42 |
|
|---|
| 43 | /** @def IN_GMM_R0
|
|---|
| 44 | * Used to indicate whether we're inside the same link module as the ring 0
|
|---|
| 45 | * part of the Global Memory Manager or not.
|
|---|
| 46 | */
|
|---|
| 47 | #ifdef DOXYGEN_RUNNING
|
|---|
| 48 | # define IN_GMM_R0
|
|---|
| 49 | #endif
|
|---|
| 50 | /** @def GMMR0DECL
|
|---|
| 51 | * Ring 0 GMM export or import declaration.
|
|---|
| 52 | * @param type The return type of the function declaration.
|
|---|
| 53 | */
|
|---|
| 54 | #ifdef IN_GMM_R0
|
|---|
| 55 | # define GMMR0DECL(type) DECLEXPORT(type) VBOXCALL
|
|---|
| 56 | #else
|
|---|
| 57 | # define GMMR0DECL(type) DECLIMPORT(type) VBOXCALL
|
|---|
| 58 | #endif
|
|---|
| 59 |
|
|---|
| 60 | /** @def IN_GMM_R3
|
|---|
| 61 | * Used to indicate whether we're inside the same link module as the ring 3
|
|---|
| 62 | * part of the Global Memory Manager or not.
|
|---|
| 63 | */
|
|---|
| 64 | #ifdef DOXYGEN_RUNNING
|
|---|
| 65 | # define IN_GMM_R3
|
|---|
| 66 | #endif
|
|---|
| 67 | /** @def GMMR3DECL
|
|---|
| 68 | * Ring 3 GMM export or import declaration.
|
|---|
| 69 | * @param type The return type of the function declaration.
|
|---|
| 70 | */
|
|---|
| 71 | #ifdef IN_GMM_R3
|
|---|
| 72 | # define GMMR3DECL(type) DECLEXPORT(type) VBOXCALL
|
|---|
| 73 | #else
|
|---|
| 74 | # define GMMR3DECL(type) DECLIMPORT(type) VBOXCALL
|
|---|
| 75 | #endif
|
|---|
| 76 |
|
|---|
| 77 |
|
|---|
| 78 | /** The chunk shift. (2^21 = 2 MB) */
|
|---|
| 79 | #define GMM_CHUNK_SHIFT 21
|
|---|
| 80 | /** The allocation chunk size. */
|
|---|
| 81 | #define GMM_CHUNK_SIZE (1U << GMM_CHUNK_SHIFT)
|
|---|
| 82 | /** The allocation chunk size in pages. */
|
|---|
| 83 | #define GMM_CHUNK_NUM_PAGES (1U << (GMM_CHUNK_SHIFT - PAGE_SHIFT))
|
|---|
| 84 | /** The shift factor for converting a page id into a chunk id. */
|
|---|
| 85 | #define GMM_CHUNKID_SHIFT (GMM_CHUNK_SHIFT - PAGE_SHIFT)
|
|---|
| 86 | /** The last valid Chunk ID value. */
|
|---|
| 87 | #define GMM_CHUNKID_LAST (GMM_PAGEID_LAST >> GMM_CHUNKID_SHIFT)
|
|---|
| 88 | /** The last valid Page ID value.
|
|---|
| 89 | * The current limit is 2^28 - 1, or almost 1TB if you like.
|
|---|
| 90 | * The constraints are currently dictated by PGMPAGE. */
|
|---|
| 91 | #define GMM_PAGEID_LAST (RT_BIT_32(28) - 1)
|
|---|
| 92 | /** Mask out the page index from the Page ID. */
|
|---|
| 93 | #define GMM_PAGEID_IDX_MASK ((1U << GMM_CHUNKID_SHIFT) - 1)
|
|---|
| 94 | /** The NIL Chunk ID value. */
|
|---|
| 95 | #define NIL_GMM_CHUNKID 0
|
|---|
| 96 | /** The NIL Page ID value. */
|
|---|
| 97 | #define NIL_GMM_PAGEID 0
|
|---|
| 98 |
|
|---|
| 99 | #if 0 /* wrong - these are guest page pfns and not page ids! */
|
|---|
| 100 | /** Special Page ID used by unassigned pages. */
|
|---|
| 101 | #define GMM_PAGEID_UNASSIGNED 0x0fffffffU
|
|---|
| 102 | /** Special Page ID used by unsharable pages.
|
|---|
| 103 | * Like MMIO2, shadow and heap. This is for later, obviously. */
|
|---|
| 104 | #define GMM_PAGEID_UNSHARABLE 0x0ffffffeU
|
|---|
| 105 | /** The end of the valid Page IDs. This is the first special one. */
|
|---|
| 106 | #define GMM_PAGEID_END 0x0ffffff0U
|
|---|
| 107 | #endif
|
|---|
| 108 |
|
|---|
| 109 |
|
|---|
| 110 | /** @def GMM_GCPHYS_LAST
|
|---|
| 111 | * The last of the valid guest physical address as it applies to GMM pages.
|
|---|
| 112 | *
|
|---|
| 113 | * This must reflect the constraints imposed by the RTGCPHYS type and
|
|---|
| 114 | * the guest page frame number used internally in GMMPAGE.
|
|---|
| 115 | *
|
|---|
| 116 | * @note Note this corresponds to GMM_PAGE_PFN_LAST. */
|
|---|
| 117 | #if HC_ARCH_BITS == 64
|
|---|
| 118 | # define GMM_GCPHYS_LAST UINT64_C(0x00000fffffff0000) /* 2^44 (16TB) - 0x10000 */
|
|---|
| 119 | #else
|
|---|
| 120 | # define GMM_GCPHYS_LAST UINT64_C(0x0000000fffff0000) /* 2^36 (64GB) - 0x10000 */
|
|---|
| 121 | #endif
|
|---|
| 122 |
|
|---|
| 123 | /**
|
|---|
| 124 | * Over-commitment policy.
|
|---|
| 125 | */
|
|---|
| 126 | typedef enum GMMOCPOLICY
|
|---|
| 127 | {
|
|---|
| 128 | /** The usual invalid 0 value. */
|
|---|
| 129 | GMMOCPOLICY_INVALID = 0,
|
|---|
| 130 | /** No over-commitment, fully backed.
|
|---|
| 131 | * The GMM guarantees that it will be able to allocate all of the
|
|---|
| 132 | * guest RAM for a VM with OC policy. */
|
|---|
| 133 | GMMOCPOLICY_NO_OC,
|
|---|
| 134 | /** to-be-determined. */
|
|---|
| 135 | GMMOCPOLICY_TBD,
|
|---|
| 136 | /** The end of the valid policy range. */
|
|---|
| 137 | GMMOCPOLICY_END,
|
|---|
| 138 | /** The usual 32-bit hack. */
|
|---|
| 139 | GMMOCPOLICY_32BIT_HACK = 0x7fffffff
|
|---|
| 140 | } GMMOCPOLICY;
|
|---|
| 141 |
|
|---|
| 142 | /**
|
|---|
| 143 | * VM / Memory priority.
|
|---|
| 144 | */
|
|---|
| 145 | typedef enum GMMPRIORITY
|
|---|
| 146 | {
|
|---|
| 147 | /** The usual invalid 0 value. */
|
|---|
| 148 | GMMPRIORITY_INVALID = 0,
|
|---|
| 149 | /** High.
|
|---|
| 150 | * When ballooning, ask these VMs last.
|
|---|
| 151 | * When running out of memory, try not to interrupt these VMs. */
|
|---|
| 152 | GMMPRIORITY_HIGH,
|
|---|
| 153 | /** Normal.
|
|---|
| 154 | * When ballooning, don't wait to ask these.
|
|---|
| 155 | * When running out of memory, pause, save and/or kill these VMs. */
|
|---|
| 156 | GMMPRIORITY_NORMAL,
|
|---|
| 157 | /** Low.
|
|---|
| 158 | * When ballooning, maximize these first.
|
|---|
| 159 | * When running out of memory, save or kill these VMs. */
|
|---|
| 160 | GMMPRIORITY_LOW,
|
|---|
| 161 | /** The end of the valid priority range. */
|
|---|
| 162 | GMMPRIORITY_END,
|
|---|
| 163 | /** The custom 32-bit type blowup. */
|
|---|
| 164 | GMMPRIORITY_32BIT_HACK = 0x7fffffff
|
|---|
| 165 | } GMMPRIORITY;
|
|---|
| 166 |
|
|---|
| 167 |
|
|---|
| 168 | /**
|
|---|
| 169 | * GMM Memory Accounts.
|
|---|
| 170 | */
|
|---|
| 171 | typedef enum GMMACCOUNT
|
|---|
| 172 | {
|
|---|
| 173 | /** The customary invalid zero entry. */
|
|---|
| 174 | GMMACCOUNT_INVALID = 0,
|
|---|
| 175 | /** Account with the base allocations. */
|
|---|
| 176 | GMMACCOUNT_BASE,
|
|---|
| 177 | /** Account with the shadow allocations. */
|
|---|
| 178 | GMMACCOUNT_SHADOW,
|
|---|
| 179 | /** Account with the fixed allocations. */
|
|---|
| 180 | GMMACCOUNT_FIXED,
|
|---|
| 181 | /** The end of the valid values. */
|
|---|
| 182 | GMMACCOUNT_END,
|
|---|
| 183 | /** The usual 32-bit value to finish it off. */
|
|---|
| 184 | GMMACCOUNT_32BIT_HACK = 0x7fffffff
|
|---|
| 185 | } GMMACCOUNT;
|
|---|
| 186 |
|
|---|
| 187 | /**
|
|---|
| 188 | * Balloon action enum.
|
|---|
| 189 | */
|
|---|
| 190 | typedef enum
|
|---|
| 191 | {
|
|---|
| 192 | GMMBALLOONACTION_INVALID = 0,
|
|---|
| 193 | GMMBALLOONACTION_INFLATE = 1,
|
|---|
| 194 | GMMBALLOONACTION_DEFLATE = 2,
|
|---|
| 195 | GMMBALLOONACTION_RESET = 3,
|
|---|
| 196 | /** hack forcing the size of the enum to 32-bits. */
|
|---|
| 197 | GMMBALLOONACTION_MAKE_32BIT_HACK = 0x7fffffff
|
|---|
| 198 | } GMMBALLOONACTION;
|
|---|
| 199 |
|
|---|
| 200 | /**
|
|---|
| 201 | * A page descriptor for use when freeing pages.
|
|---|
| 202 | * See GMMR0FreePages, GMMR0BalloonedPages.
|
|---|
| 203 | */
|
|---|
| 204 | typedef struct GMMFREEPAGEDESC
|
|---|
| 205 | {
|
|---|
| 206 | /** The Page ID of the page to be freed. */
|
|---|
| 207 | uint32_t idPage;
|
|---|
| 208 | } GMMFREEPAGEDESC;
|
|---|
| 209 | /** Pointer to a page descriptor for freeing pages. */
|
|---|
| 210 | typedef GMMFREEPAGEDESC *PGMMFREEPAGEDESC;
|
|---|
| 211 |
|
|---|
| 212 |
|
|---|
| 213 | /**
|
|---|
| 214 | * A page descriptor for use when updating and allocating pages.
|
|---|
| 215 | *
|
|---|
| 216 | * This is a bit complicated because we want to do as much as possible
|
|---|
| 217 | * with the same structure.
|
|---|
| 218 | */
|
|---|
| 219 | typedef struct GMMPAGEDESC
|
|---|
| 220 | {
|
|---|
| 221 | /** The physical address of the page.
|
|---|
| 222 | *
|
|---|
| 223 | * @input GMMR0AllocateHandyPages expects the guest physical address
|
|---|
| 224 | * to update the GMMPAGE structure with. Pass GMM_GCPHYS_UNSHAREABLE
|
|---|
| 225 | * when appropriate and NIL_RTHCPHYS when the page wasn't used
|
|---|
| 226 | * for any specific guest address.
|
|---|
| 227 | *
|
|---|
| 228 | * GMMR0AllocatePage expects the guest physical address to put in
|
|---|
| 229 | * the GMMPAGE structure for the page it allocates for this entry.
|
|---|
| 230 | * Pass NIL_RTHCPHYS and GMM_GCPHYS_UNSHAREABLE as above.
|
|---|
| 231 | *
|
|---|
| 232 | * @output The host physical address of the allocated page.
|
|---|
| 233 | * NIL_RTHCPHYS on allocation failure.
|
|---|
| 234 | *
|
|---|
| 235 | * ASSUMES: sizeof(RTHCPHYS) >= sizeof(RTGCPHYS).
|
|---|
| 236 | */
|
|---|
| 237 | RTHCPHYS HCPhysGCPhys;
|
|---|
| 238 |
|
|---|
| 239 | /** The Page ID.
|
|---|
| 240 | *
|
|---|
| 241 | * @intput GMMR0AllocateHandyPages expects the Page ID of the page to
|
|---|
| 242 | * update here. NIL_GMM_PAGEID means no page should be updated.
|
|---|
| 243 | *
|
|---|
| 244 | * GMMR0AllocatePages requires this to be initialized to
|
|---|
| 245 | * NIL_GMM_PAGEID currently.
|
|---|
| 246 | *
|
|---|
| 247 | * @output The ID of the page, NIL_GMM_PAGEID if the allocation failed.
|
|---|
| 248 | */
|
|---|
| 249 | uint32_t idPage;
|
|---|
| 250 |
|
|---|
| 251 | /** The Page ID of the shared page was replaced by this page.
|
|---|
| 252 | *
|
|---|
| 253 | * @input GMMR0AllocateHandyPages expects this to indicate a shared
|
|---|
| 254 | * page that has been replaced by this page and should have its
|
|---|
| 255 | * reference counter decremented and perhaps be freed up. Use
|
|---|
| 256 | * NIL_GMM_PAGEID if no shared page was involved.
|
|---|
| 257 | *
|
|---|
| 258 | * All other APIs expects NIL_GMM_PAGEID here.
|
|---|
| 259 | *
|
|---|
| 260 | * @output All APIs sets this to NIL_GMM_PAGEID.
|
|---|
| 261 | */
|
|---|
| 262 | uint32_t idSharedPage;
|
|---|
| 263 | } GMMPAGEDESC;
|
|---|
| 264 | AssertCompileSize(GMMPAGEDESC, 16);
|
|---|
| 265 | /** Pointer to a page allocation. */
|
|---|
| 266 | typedef GMMPAGEDESC *PGMMPAGEDESC;
|
|---|
| 267 |
|
|---|
| 268 | /** GMMPAGEDESC::HCPhysGCPhys value that indicates that the page is unsharable.
|
|---|
| 269 | * @note This corresponds to GMM_PAGE_PFN_UNSHAREABLE. */
|
|---|
| 270 | #if HC_ARCH_BITS == 64
|
|---|
| 271 | # define GMM_GCPHYS_UNSHAREABLE UINT64_C(0x00000fffffff1000)
|
|---|
| 272 | #else
|
|---|
| 273 | # define GMM_GCPHYS_UNSHAREABLE UINT64_C(0x0000000fffff1000)
|
|---|
| 274 | #endif
|
|---|
| 275 |
|
|---|
| 276 | GMMR0DECL(int) GMMR0Init(void);
|
|---|
| 277 | GMMR0DECL(void) GMMR0Term(void);
|
|---|
| 278 | GMMR0DECL(void) GMMR0InitPerVMData(PGVM pGVM);
|
|---|
| 279 | GMMR0DECL(void) GMMR0CleanupVM(PGVM pGVM);
|
|---|
| 280 | GMMR0DECL(int) GMMR0InitialReservation(PVM pVM, VMCPUID idCpu, uint64_t cBasePages, uint32_t cShadowPages, uint32_t cFixedPages,
|
|---|
| 281 | GMMOCPOLICY enmPolicy, GMMPRIORITY enmPriority);
|
|---|
| 282 | GMMR0DECL(int) GMMR0UpdateReservation(PVM pVM, VMCPUID idCpu, uint64_t cBasePages, uint32_t cShadowPages, uint32_t cFixedPages);
|
|---|
| 283 | GMMR0DECL(int) GMMR0AllocateHandyPages(PVM pVM, VMCPUID idCpu, uint32_t cPagesToUpdate, uint32_t cPagesToAlloc, PGMMPAGEDESC paPages);
|
|---|
| 284 | GMMR0DECL(int) GMMR0AllocatePages(PVM pVM, VMCPUID idCpu, uint32_t cPages, PGMMPAGEDESC paPages, GMMACCOUNT enmAccount);
|
|---|
| 285 | GMMR0DECL(int) GMMR0AllocateLargePage(PVM pVM, VMCPUID idCpu, uint32_t cbPage, uint32_t *pIdPage, RTHCPHYS *pHCPhys);
|
|---|
| 286 | GMMR0DECL(int) GMMR0FreePages(PVM pVM, VMCPUID idCpu, uint32_t cPages, PGMMFREEPAGEDESC paPages, GMMACCOUNT enmAccount);
|
|---|
| 287 | GMMR0DECL(int) GMMR0FreeLargePage(PVM pVM, VMCPUID idCpu, uint32_t idPage);
|
|---|
| 288 | GMMR0DECL(int) GMMR0BalloonedPages(PVM pVM, VMCPUID idCpu, GMMBALLOONACTION enmAction, uint32_t cBalloonedPages);
|
|---|
| 289 | GMMR0DECL(int) GMMR0MapUnmapChunk(PVM pVM, VMCPUID idCpu, uint32_t idChunkMap, uint32_t idChunkUnmap, PRTR3PTR ppvR3);
|
|---|
| 290 | GMMR0DECL(int) GMMR0SeedChunk(PVM pVM, VMCPUID idCpu, RTR3PTR pvR3);
|
|---|
| 291 |
|
|---|
| 292 |
|
|---|
| 293 |
|
|---|
| 294 | /**
|
|---|
| 295 | * Request buffer for GMMR0InitialReservationReq / VMMR0_DO_GMM_INITIAL_RESERVATION.
|
|---|
| 296 | * @see GMMR0InitialReservation
|
|---|
| 297 | */
|
|---|
| 298 | typedef struct GMMINITIALRESERVATIONREQ
|
|---|
| 299 | {
|
|---|
| 300 | /** The header. */
|
|---|
| 301 | SUPVMMR0REQHDR Hdr;
|
|---|
| 302 | uint64_t cBasePages; /**< @see GMMR0InitialReservation */
|
|---|
| 303 | uint32_t cShadowPages; /**< @see GMMR0InitialReservation */
|
|---|
| 304 | uint32_t cFixedPages; /**< @see GMMR0InitialReservation */
|
|---|
| 305 | GMMOCPOLICY enmPolicy; /**< @see GMMR0InitialReservation */
|
|---|
| 306 | GMMPRIORITY enmPriority; /**< @see GMMR0InitialReservation */
|
|---|
| 307 | } GMMINITIALRESERVATIONREQ;
|
|---|
| 308 | /** Pointer to a GMMR0InitialReservationReq / VMMR0_DO_GMM_INITIAL_RESERVATION request buffer. */
|
|---|
| 309 | typedef GMMINITIALRESERVATIONREQ *PGMMINITIALRESERVATIONREQ;
|
|---|
| 310 |
|
|---|
| 311 | GMMR0DECL(int) GMMR0InitialReservationReq(PVM pVM, VMCPUID idCpu, PGMMINITIALRESERVATIONREQ pReq);
|
|---|
| 312 |
|
|---|
| 313 |
|
|---|
| 314 | /**
|
|---|
| 315 | * Request buffer for GMMR0UpdateReservationReq / VMMR0_DO_GMM_UPDATE_RESERVATION.
|
|---|
| 316 | * @see GMMR0UpdateReservation
|
|---|
| 317 | */
|
|---|
| 318 | typedef struct GMMUPDATERESERVATIONREQ
|
|---|
| 319 | {
|
|---|
| 320 | /** The header. */
|
|---|
| 321 | SUPVMMR0REQHDR Hdr;
|
|---|
| 322 | uint64_t cBasePages; /**< @see GMMR0UpdateReservation */
|
|---|
| 323 | uint32_t cShadowPages; /**< @see GMMR0UpdateReservation */
|
|---|
| 324 | uint32_t cFixedPages; /**< @see GMMR0UpdateReservation */
|
|---|
| 325 | } GMMUPDATERESERVATIONREQ;
|
|---|
| 326 | /** Pointer to a GMMR0InitialReservationReq / VMMR0_DO_GMM_INITIAL_RESERVATION request buffer. */
|
|---|
| 327 | typedef GMMUPDATERESERVATIONREQ *PGMMUPDATERESERVATIONREQ;
|
|---|
| 328 |
|
|---|
| 329 | GMMR0DECL(int) GMMR0UpdateReservationReq(PVM pVM, VMCPUID idCpu, PGMMUPDATERESERVATIONREQ pReq);
|
|---|
| 330 |
|
|---|
| 331 |
|
|---|
| 332 | /**
|
|---|
| 333 | * Request buffer for GMMR0AllocatePagesReq / VMMR0_DO_GMM_ALLOCATE_PAGES.
|
|---|
| 334 | * @see GMMR0AllocatePages.
|
|---|
| 335 | */
|
|---|
| 336 | typedef struct GMMALLOCATEPAGESREQ
|
|---|
| 337 | {
|
|---|
| 338 | /** The header. */
|
|---|
| 339 | SUPVMMR0REQHDR Hdr;
|
|---|
| 340 | /** The account to charge the allocation to. */
|
|---|
| 341 | GMMACCOUNT enmAccount;
|
|---|
| 342 | /** The number of pages to allocate. */
|
|---|
| 343 | uint32_t cPages;
|
|---|
| 344 | /** Array of page descriptors. */
|
|---|
| 345 | GMMPAGEDESC aPages[1];
|
|---|
| 346 | } GMMALLOCATEPAGESREQ;
|
|---|
| 347 | /** Pointer to a GMMR0AllocatePagesReq / VMMR0_DO_GMM_ALLOCATE_PAGES request buffer. */
|
|---|
| 348 | typedef GMMALLOCATEPAGESREQ *PGMMALLOCATEPAGESREQ;
|
|---|
| 349 |
|
|---|
| 350 | GMMR0DECL(int) GMMR0AllocatePagesReq(PVM pVM, VMCPUID idCpu, PGMMALLOCATEPAGESREQ pReq);
|
|---|
| 351 |
|
|---|
| 352 |
|
|---|
| 353 | /**
|
|---|
| 354 | * Request buffer for GMMR0FreePagesReq / VMMR0_DO_GMM_FREE_PAGES.
|
|---|
| 355 | * @see GMMR0FreePages.
|
|---|
| 356 | */
|
|---|
| 357 | typedef struct GMMFREEPAGESREQ
|
|---|
| 358 | {
|
|---|
| 359 | /** The header. */
|
|---|
| 360 | SUPVMMR0REQHDR Hdr;
|
|---|
| 361 | /** The account this relates to. */
|
|---|
| 362 | GMMACCOUNT enmAccount;
|
|---|
| 363 | /** The number of pages to free. */
|
|---|
| 364 | uint32_t cPages;
|
|---|
| 365 | /** Array of free page descriptors. */
|
|---|
| 366 | GMMFREEPAGEDESC aPages[1];
|
|---|
| 367 | } GMMFREEPAGESREQ;
|
|---|
| 368 | /** Pointer to a GMMR0FreePagesReq / VMMR0_DO_GMM_FREE_PAGES request buffer. */
|
|---|
| 369 | typedef GMMFREEPAGESREQ *PGMMFREEPAGESREQ;
|
|---|
| 370 |
|
|---|
| 371 | GMMR0DECL(int) GMMR0FreePagesReq(PVM pVM, VMCPUID idCpu, PGMMFREEPAGESREQ pReq);
|
|---|
| 372 |
|
|---|
| 373 | /**
|
|---|
| 374 | * Request buffer for GMMR0BalloonedPagesReq / VMMR0_DO_GMM_BALLOONED_PAGES.
|
|---|
| 375 | * @see GMMR0BalloonedPages.
|
|---|
| 376 | */
|
|---|
| 377 | typedef struct GMMBALLOONEDPAGESREQ
|
|---|
| 378 | {
|
|---|
| 379 | /** The header. */
|
|---|
| 380 | SUPVMMR0REQHDR Hdr;
|
|---|
| 381 | /** The number of ballooned pages. */
|
|---|
| 382 | uint32_t cBalloonedPages;
|
|---|
| 383 | /** Inflate or deflate the balloon. */
|
|---|
| 384 | GMMBALLOONACTION enmAction;
|
|---|
| 385 | } GMMBALLOONEDPAGESREQ;
|
|---|
| 386 | /** Pointer to a GMMR0BalloonedPagesReq / VMMR0_DO_GMM_BALLOONED_PAGES request buffer. */
|
|---|
| 387 | typedef GMMBALLOONEDPAGESREQ *PGMMBALLOONEDPAGESREQ;
|
|---|
| 388 |
|
|---|
| 389 | GMMR0DECL(int) GMMR0BalloonedPagesReq(PVM pVM, VMCPUID idCpu, PGMMBALLOONEDPAGESREQ pReq);
|
|---|
| 390 |
|
|---|
| 391 |
|
|---|
| 392 | /**
|
|---|
| 393 | * Request buffer for GMMR0MapUnmapChunkReq / VMMR0_DO_GMM_MAP_UNMAP_CHUNK.
|
|---|
| 394 | * @see GMMR0MapUnmapChunk
|
|---|
| 395 | */
|
|---|
| 396 | typedef struct GMMMAPUNMAPCHUNKREQ
|
|---|
| 397 | {
|
|---|
| 398 | /** The header. */
|
|---|
| 399 | SUPVMMR0REQHDR Hdr;
|
|---|
| 400 | /** The chunk to map, NIL_GMM_CHUNKID if unmap only. (IN) */
|
|---|
| 401 | uint32_t idChunkMap;
|
|---|
| 402 | /** The chunk to unmap, NIL_GMM_CHUNKID if map only. (IN) */
|
|---|
| 403 | uint32_t idChunkUnmap;
|
|---|
| 404 | /** Where the mapping address is returned. (OUT) */
|
|---|
| 405 | RTR3PTR pvR3;
|
|---|
| 406 | } GMMMAPUNMAPCHUNKREQ;
|
|---|
| 407 | /** Pointer to a GMMR0MapUnmapChunkReq / VMMR0_DO_GMM_MAP_UNMAP_CHUNK request buffer. */
|
|---|
| 408 | typedef GMMMAPUNMAPCHUNKREQ *PGMMMAPUNMAPCHUNKREQ;
|
|---|
| 409 |
|
|---|
| 410 | GMMR0DECL(int) GMMR0MapUnmapChunkReq(PVM pVM, VMCPUID idCpu, PGMMMAPUNMAPCHUNKREQ pReq);
|
|---|
| 411 |
|
|---|
| 412 |
|
|---|
| 413 | /**
|
|---|
| 414 | * Request buffer for GMMR0FreeLargePageReq / VMMR0_DO_GMM_FREE_LARGE_PAGE.
|
|---|
| 415 | * @see GMMR0FreeLargePage.
|
|---|
| 416 | */
|
|---|
| 417 | typedef struct GMMFREELARGEPAGEREQ
|
|---|
| 418 | {
|
|---|
| 419 | /** The header. */
|
|---|
| 420 | SUPVMMR0REQHDR Hdr;
|
|---|
| 421 | /** The Page ID. */
|
|---|
| 422 | uint32_t idPage;
|
|---|
| 423 | } GMMFREELARGEPAGEREQ;
|
|---|
| 424 | /** Pointer to a GMMR0FreePagesReq / VMMR0_DO_GMM_FREE_PAGES request buffer. */
|
|---|
| 425 | typedef GMMFREELARGEPAGEREQ *PGMMFREELARGEPAGEREQ;
|
|---|
| 426 |
|
|---|
| 427 | GMMR0DECL(int) GMMR0FreeLargePageReq(PVM pVM, VMCPUID idCpu, PGMMFREELARGEPAGEREQ pReq);
|
|---|
| 428 |
|
|---|
| 429 |
|
|---|
| 430 | #ifdef IN_RING3
|
|---|
| 431 | /** @defgroup grp_gmm_r3 The Global Memory Manager Ring-3 API Wrappers
|
|---|
| 432 | * @ingroup grp_gmm
|
|---|
| 433 | * @{
|
|---|
| 434 | */
|
|---|
| 435 | GMMR3DECL(int) GMMR3InitialReservation(PVM pVM, uint64_t cBasePages, uint32_t cShadowPages, uint32_t cFixedPages,
|
|---|
| 436 | GMMOCPOLICY enmPolicy, GMMPRIORITY enmPriority);
|
|---|
| 437 | GMMR3DECL(int) GMMR3UpdateReservation(PVM pVM, uint64_t cBasePages, uint32_t cShadowPages, uint32_t cFixedPages);
|
|---|
| 438 | GMMR3DECL(int) GMMR3AllocatePagesPrepare(PVM pVM, PGMMALLOCATEPAGESREQ *ppReq, uint32_t cPages, GMMACCOUNT enmAccount);
|
|---|
| 439 | GMMR3DECL(int) GMMR3AllocatePagesPerform(PVM pVM, PGMMALLOCATEPAGESREQ pReq);
|
|---|
| 440 | GMMR3DECL(void) GMMR3AllocatePagesCleanup(PGMMALLOCATEPAGESREQ pReq);
|
|---|
| 441 | GMMR3DECL(int) GMMR3FreePagesPrepare(PVM pVM, PGMMFREEPAGESREQ *ppReq, uint32_t cPages, GMMACCOUNT enmAccount);
|
|---|
| 442 | GMMR3DECL(void) GMMR3FreePagesRePrep(PVM pVM, PGMMFREEPAGESREQ pReq, uint32_t cPages, GMMACCOUNT enmAccount);
|
|---|
| 443 | GMMR3DECL(int) GMMR3FreePagesPerform(PVM pVM, PGMMFREEPAGESREQ pReq, uint32_t cActualPages);
|
|---|
| 444 | GMMR3DECL(void) GMMR3FreePagesCleanup(PGMMFREEPAGESREQ pReq);
|
|---|
| 445 | GMMR3DECL(void) GMMR3FreeAllocatedPages(PVM pVM, GMMALLOCATEPAGESREQ const *pAllocReq);
|
|---|
| 446 | GMMR3DECL(int) GMMR3AllocateLargePage(PVM pVM, uint32_t cbPage);
|
|---|
| 447 | GMMR3DECL(int) GMMR3FreeLargePage(PVM pVM, uint32_t idPage);
|
|---|
| 448 | GMMR3DECL(int) GMMR3MapUnmapChunk(PVM pVM, uint32_t idChunkMap, uint32_t idChunkUnmap, PRTR3PTR ppvR3);
|
|---|
| 449 | GMMR3DECL(int) GMMR3SeedChunk(PVM pVM, RTR3PTR pvR3);
|
|---|
| 450 | GMMR3DECL(int) GMMR3BalloonedPages(PVM pVM, GMMBALLOONACTION enmAction, uint32_t cBalloonedPages);
|
|---|
| 451 | /** @} */
|
|---|
| 452 | #endif /* IN_RING3 */
|
|---|
| 453 |
|
|---|
| 454 | /** @} */
|
|---|
| 455 |
|
|---|
| 456 | RT_C_DECLS_END
|
|---|
| 457 |
|
|---|
| 458 | #endif
|
|---|
| 459 |
|
|---|
