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FORK: QEMU emulator
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q35.h (8094B)


      1 /*
      2  * q35.h
      3  *
      4  * Copyright (c) 2009 Isaku Yamahata <yamahata at valinux co jp>
      5  *                    VA Linux Systems Japan K.K.
      6  * Copyright (C) 2012 Jason Baron <jbaron@redhat.com>
      7  *
      8  * This program is free software; you can redistribute it and/or modify
      9  * it under the terms of the GNU General Public License as published by
     10  * the Free Software Foundation; either version 2 of the License, or
     11  * (at your option) any later version.
     12  *
     13  * This program is distributed in the hope that it will be useful,
     14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
     15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     16  * GNU General Public License for more details.
     17  *
     18  * You should have received a copy of the GNU General Public License
     19  * along with this program; if not, see <http://www.gnu.org/licenses/>
     20  */
     21 
     22 #ifndef HW_Q35_H
     23 #define HW_Q35_H
     24 
     25 #include "hw/pci/pci.h"
     26 #include "hw/pci/pcie_host.h"
     27 #include "hw/pci-host/pam.h"
     28 #include "qemu/units.h"
     29 #include "qemu/range.h"
     30 #include "qom/object.h"
     31 
     32 #define TYPE_Q35_HOST_DEVICE "q35-pcihost"
     33 OBJECT_DECLARE_SIMPLE_TYPE(Q35PCIHost, Q35_HOST_DEVICE)
     34 
     35 #define TYPE_MCH_PCI_DEVICE "mch"
     36 OBJECT_DECLARE_SIMPLE_TYPE(MCHPCIState, MCH_PCI_DEVICE)
     37 
     38 struct MCHPCIState {
     39     /*< private >*/
     40     PCIDevice parent_obj;
     41     /*< public >*/
     42 
     43     MemoryRegion *ram_memory;
     44     MemoryRegion *pci_address_space;
     45     MemoryRegion *system_memory;
     46     MemoryRegion *address_space_io;
     47     PAMMemoryRegion pam_regions[PAM_REGIONS_COUNT];
     48     MemoryRegion smram_region, open_high_smram;
     49     MemoryRegion smram, low_smram, high_smram;
     50     MemoryRegion tseg_blackhole, tseg_window;
     51     MemoryRegion smbase_blackhole, smbase_window;
     52     bool has_smram_at_smbase;
     53     Range pci_hole;
     54     uint64_t below_4g_mem_size;
     55     uint64_t above_4g_mem_size;
     56     uint64_t pci_hole64_size;
     57     uint32_t short_root_bus;
     58     uint16_t ext_tseg_mbytes;
     59 };
     60 
     61 struct Q35PCIHost {
     62     /*< private >*/
     63     PCIExpressHost parent_obj;
     64     /*< public >*/
     65 
     66     bool pci_hole64_fix;
     67     MCHPCIState mch;
     68 };
     69 
     70 #define Q35_MASK(bit, ms_bit, ls_bit) \
     71 ((uint##bit##_t)(((1ULL << ((ms_bit) + 1)) - 1) & ~((1ULL << ls_bit) - 1)))
     72 
     73 /*
     74  * gmch part
     75  */
     76 
     77 #define MCH_HOST_PROP_RAM_MEM "ram-mem"
     78 #define MCH_HOST_PROP_PCI_MEM "pci-mem"
     79 #define MCH_HOST_PROP_SYSTEM_MEM "system-mem"
     80 #define MCH_HOST_PROP_IO_MEM "io-mem"
     81 
     82 /* PCI configuration */
     83 #define MCH_HOST_BRIDGE                        "MCH"
     84 
     85 #define MCH_HOST_BRIDGE_CONFIG_ADDR            0xcf8
     86 #define MCH_HOST_BRIDGE_CONFIG_DATA            0xcfc
     87 
     88 /* D0:F0 configuration space */
     89 #define MCH_HOST_BRIDGE_REVISION_DEFAULT       0x0
     90 
     91 #define MCH_HOST_BRIDGE_EXT_TSEG_MBYTES        0x50
     92 #define MCH_HOST_BRIDGE_EXT_TSEG_MBYTES_SIZE   2
     93 #define MCH_HOST_BRIDGE_EXT_TSEG_MBYTES_QUERY  0xffff
     94 #define MCH_HOST_BRIDGE_EXT_TSEG_MBYTES_MAX    0xfff
     95 
     96 #define MCH_HOST_BRIDGE_SMBASE_SIZE            (128 * KiB)
     97 #define MCH_HOST_BRIDGE_SMBASE_ADDR            0x30000
     98 #define MCH_HOST_BRIDGE_F_SMBASE               0x9c
     99 #define MCH_HOST_BRIDGE_F_SMBASE_QUERY         0xff
    100 #define MCH_HOST_BRIDGE_F_SMBASE_IN_RAM        0x01
    101 #define MCH_HOST_BRIDGE_F_SMBASE_LCK           0x02
    102 
    103 #define MCH_HOST_BRIDGE_PCIEXBAR               0x60    /* 64bit register */
    104 #define MCH_HOST_BRIDGE_PCIEXBAR_SIZE          8       /* 64bit register */
    105 #define MCH_HOST_BRIDGE_PCIEXBAR_DEFAULT       0xb0000000
    106 #define MCH_HOST_BRIDGE_PCIEXBAR_MAX           (0x10000000) /* 256M */
    107 #define MCH_HOST_BRIDGE_PCIEXBAR_ADMSK         Q35_MASK(64, 35, 28)
    108 #define MCH_HOST_BRIDGE_PCIEXBAR_128ADMSK      ((uint64_t)(1 << 26))
    109 #define MCH_HOST_BRIDGE_PCIEXBAR_64ADMSK       ((uint64_t)(1 << 25))
    110 #define MCH_HOST_BRIDGE_PCIEXBAR_LENGTH_MASK   ((uint64_t)(0x3 << 1))
    111 #define MCH_HOST_BRIDGE_PCIEXBAR_LENGTH_256M   ((uint64_t)(0x0 << 1))
    112 #define MCH_HOST_BRIDGE_PCIEXBAR_LENGTH_128M   ((uint64_t)(0x1 << 1))
    113 #define MCH_HOST_BRIDGE_PCIEXBAR_LENGTH_64M    ((uint64_t)(0x2 << 1))
    114 #define MCH_HOST_BRIDGE_PCIEXBAR_LENGTH_RVD    ((uint64_t)(0x3 << 1))
    115 #define MCH_HOST_BRIDGE_PCIEXBAREN             ((uint64_t)1)
    116 
    117 #define MCH_HOST_BRIDGE_PAM_NB                 7
    118 #define MCH_HOST_BRIDGE_PAM_SIZE               7
    119 #define MCH_HOST_BRIDGE_PAM0                   0x90
    120 #define MCH_HOST_BRIDGE_PAM_BIOS_AREA          0xf0000
    121 #define MCH_HOST_BRIDGE_PAM_AREA_SIZE          0x10000 /* 16KB */
    122 #define MCH_HOST_BRIDGE_PAM1                   0x91
    123 #define MCH_HOST_BRIDGE_PAM_EXPAN_AREA         0xc0000
    124 #define MCH_HOST_BRIDGE_PAM_EXPAN_SIZE         0x04000
    125 #define MCH_HOST_BRIDGE_PAM2                   0x92
    126 #define MCH_HOST_BRIDGE_PAM3                   0x93
    127 #define MCH_HOST_BRIDGE_PAM4                   0x94
    128 #define MCH_HOST_BRIDGE_PAM_EXBIOS_AREA        0xe0000
    129 #define MCH_HOST_BRIDGE_PAM_EXBIOS_SIZE        0x04000
    130 #define MCH_HOST_BRIDGE_PAM5                   0x95
    131 #define MCH_HOST_BRIDGE_PAM6                   0x96
    132 #define MCH_HOST_BRIDGE_PAM_WE_HI              ((uint8_t)(0x2 << 4))
    133 #define MCH_HOST_BRIDGE_PAM_RE_HI              ((uint8_t)(0x1 << 4))
    134 #define MCH_HOST_BRIDGE_PAM_HI_MASK            ((uint8_t)(0x3 << 4))
    135 #define MCH_HOST_BRIDGE_PAM_WE_LO              ((uint8_t)0x2)
    136 #define MCH_HOST_BRIDGE_PAM_RE_LO              ((uint8_t)0x1)
    137 #define MCH_HOST_BRIDGE_PAM_LO_MASK            ((uint8_t)0x3)
    138 #define MCH_HOST_BRIDGE_PAM_WE                 ((uint8_t)0x2)
    139 #define MCH_HOST_BRIDGE_PAM_RE                 ((uint8_t)0x1)
    140 #define MCH_HOST_BRIDGE_PAM_MASK               ((uint8_t)0x3)
    141 
    142 #define MCH_HOST_BRIDGE_SMRAM                  0x9d
    143 #define MCH_HOST_BRIDGE_SMRAM_SIZE             2
    144 #define MCH_HOST_BRIDGE_SMRAM_D_OPEN           ((uint8_t)(1 << 6))
    145 #define MCH_HOST_BRIDGE_SMRAM_D_CLS            ((uint8_t)(1 << 5))
    146 #define MCH_HOST_BRIDGE_SMRAM_D_LCK            ((uint8_t)(1 << 4))
    147 #define MCH_HOST_BRIDGE_SMRAM_G_SMRAME         ((uint8_t)(1 << 3))
    148 #define MCH_HOST_BRIDGE_SMRAM_C_BASE_SEG_MASK  ((uint8_t)0x7)
    149 #define MCH_HOST_BRIDGE_SMRAM_C_BASE_SEG       ((uint8_t)0x2)  /* hardwired to b010 */
    150 #define MCH_HOST_BRIDGE_SMRAM_C_BASE           0xa0000
    151 #define MCH_HOST_BRIDGE_SMRAM_C_END            0xc0000
    152 #define MCH_HOST_BRIDGE_SMRAM_C_SIZE           0x20000
    153 #define MCH_HOST_BRIDGE_UPPER_SYSTEM_BIOS_END  0x100000
    154 #define MCH_HOST_BRIDGE_SMRAM_DEFAULT           \
    155     MCH_HOST_BRIDGE_SMRAM_C_BASE_SEG
    156 #define MCH_HOST_BRIDGE_SMRAM_WMASK             \
    157     (MCH_HOST_BRIDGE_SMRAM_D_OPEN |             \
    158      MCH_HOST_BRIDGE_SMRAM_D_CLS |              \
    159      MCH_HOST_BRIDGE_SMRAM_D_LCK |              \
    160      MCH_HOST_BRIDGE_SMRAM_G_SMRAME)
    161 #define MCH_HOST_BRIDGE_SMRAM_WMASK_LCK         \
    162     MCH_HOST_BRIDGE_SMRAM_D_CLS
    163 
    164 #define MCH_HOST_BRIDGE_ESMRAMC                0x9e
    165 #define MCH_HOST_BRIDGE_ESMRAMC_H_SMRAME       ((uint8_t)(1 << 7))
    166 #define MCH_HOST_BRIDGE_ESMRAMC_E_SMERR        ((uint8_t)(1 << 6))
    167 #define MCH_HOST_BRIDGE_ESMRAMC_SM_CACHE       ((uint8_t)(1 << 5))
    168 #define MCH_HOST_BRIDGE_ESMRAMC_SM_L1          ((uint8_t)(1 << 4))
    169 #define MCH_HOST_BRIDGE_ESMRAMC_SM_L2          ((uint8_t)(1 << 3))
    170 #define MCH_HOST_BRIDGE_ESMRAMC_TSEG_SZ_MASK   ((uint8_t)(0x3 << 1))
    171 #define MCH_HOST_BRIDGE_ESMRAMC_TSEG_SZ_1MB    ((uint8_t)(0x0 << 1))
    172 #define MCH_HOST_BRIDGE_ESMRAMC_TSEG_SZ_2MB    ((uint8_t)(0x1 << 1))
    173 #define MCH_HOST_BRIDGE_ESMRAMC_TSEG_SZ_8MB    ((uint8_t)(0x2 << 1))
    174 #define MCH_HOST_BRIDGE_ESMRAMC_T_EN           ((uint8_t)1)
    175 #define MCH_HOST_BRIDGE_ESMRAMC_DEFAULT \
    176     (MCH_HOST_BRIDGE_ESMRAMC_SM_CACHE | \
    177      MCH_HOST_BRIDGE_ESMRAMC_SM_L1 |    \
    178      MCH_HOST_BRIDGE_ESMRAMC_SM_L2)
    179 #define MCH_HOST_BRIDGE_ESMRAMC_WMASK               \
    180     (MCH_HOST_BRIDGE_ESMRAMC_H_SMRAME |             \
    181      MCH_HOST_BRIDGE_ESMRAMC_TSEG_SZ_MASK |         \
    182      MCH_HOST_BRIDGE_ESMRAMC_T_EN)
    183 #define MCH_HOST_BRIDGE_ESMRAMC_WMASK_LCK     0
    184 
    185 /* D1:F0 PCIE* port*/
    186 #define MCH_PCIE_DEV                           1
    187 #define MCH_PCIE_FUNC                          0
    188 
    189 uint64_t mch_mcfg_base(void);
    190 
    191 /*
    192  * Arbitrary but unique BNF number for IOAPIC device.
    193  *
    194  * TODO: make sure there would have no conflict with real PCI bus
    195  */
    196 #define Q35_PSEUDO_BUS_PLATFORM         (0xff)
    197 #define Q35_PSEUDO_DEVFN_IOAPIC         (0x00)
    198 
    199 #endif /* HW_Q35_H */