diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/exec/memory.h | 49 | ||||
| -rw-r--r-- | include/hw/i386/intel_iommu.h | 10 | ||||
| -rw-r--r-- | include/hw/qdev-core.h | 13 | ||||
| -rw-r--r-- | include/hw/qdev-properties.h | 3 | ||||
| -rw-r--r-- | include/qemu/compiler.h | 8 | ||||
| -rw-r--r-- | include/qemu/host-utils.h | 121 | ||||
| -rw-r--r-- | include/sysemu/hostmem.h | 1 |
7 files changed, 61 insertions, 144 deletions
diff --git a/include/exec/memory.h b/include/exec/memory.h index f20b191793..c4fc94d504 100644 --- a/include/exec/memory.h +++ b/include/exec/memory.h @@ -55,6 +55,8 @@ typedef enum { IOMMU_RW = 3, } IOMMUAccessFlags; +#define IOMMU_ACCESS_FLAG(r, w) (((r) ? IOMMU_RO : 0) | ((w) ? IOMMU_WO : 0)) + struct IOMMUTLBEntry { AddressSpace *target_as; hwaddr iova; @@ -77,13 +79,30 @@ typedef enum { #define IOMMU_NOTIFIER_ALL (IOMMU_NOTIFIER_MAP | IOMMU_NOTIFIER_UNMAP) +struct IOMMUNotifier; +typedef void (*IOMMUNotify)(struct IOMMUNotifier *notifier, + IOMMUTLBEntry *data); + struct IOMMUNotifier { - void (*notify)(struct IOMMUNotifier *notifier, IOMMUTLBEntry *data); + IOMMUNotify notify; IOMMUNotifierFlag notifier_flags; + /* Notify for address space range start <= addr <= end */ + hwaddr start; + hwaddr end; QLIST_ENTRY(IOMMUNotifier) node; }; typedef struct IOMMUNotifier IOMMUNotifier; +static inline void iommu_notifier_init(IOMMUNotifier *n, IOMMUNotify fn, + IOMMUNotifierFlag flags, + hwaddr start, hwaddr end) +{ + n->notify = fn; + n->notifier_flags = flags; + n->start = start; + n->end = end; +} + /* New-style MMIO accessors can indicate that the transaction failed. * A zero (MEMTX_OK) response means success; anything else is a failure * of some kind. The memory subsystem will bitwise-OR together results @@ -174,6 +193,8 @@ struct MemoryRegionIOMMUOps { void (*notify_flag_changed)(MemoryRegion *iommu, IOMMUNotifierFlag old_flags, IOMMUNotifierFlag new_flags); + /* Set this up to provide customized IOMMU replay function */ + void (*replay)(MemoryRegion *iommu, IOMMUNotifier *notifier); }; typedef struct CoalescedMemoryRange CoalescedMemoryRange; @@ -222,6 +243,9 @@ struct MemoryRegion { IOMMUNotifierFlag iommu_notify_flags; }; +#define IOMMU_NOTIFIER_FOREACH(n, mr) \ + QLIST_FOREACH((n), &(mr)->iommu_notify, node) + /** * MemoryListener: callbacks structure for updates to the physical memory map * @@ -668,6 +692,21 @@ void memory_region_notify_iommu(MemoryRegion *mr, IOMMUTLBEntry entry); /** + * memory_region_notify_one: notify a change in an IOMMU translation + * entry to a single notifier + * + * This works just like memory_region_notify_iommu(), but it only + * notifies a specific notifier, not all of them. + * + * @notifier: the notifier to be notified + * @entry: the new entry in the IOMMU translation table. The entry + * replaces all old entries for the same virtual I/O address range. + * Deleted entries have .@perm == 0. + */ +void memory_region_notify_one(IOMMUNotifier *notifier, + IOMMUTLBEntry *entry); + +/** * memory_region_register_iommu_notifier: register a notifier for changes to * IOMMU translation entries. * @@ -693,6 +732,14 @@ void memory_region_iommu_replay(MemoryRegion *mr, IOMMUNotifier *n, bool is_write); /** + * memory_region_iommu_replay_all: replay existing IOMMU translations + * to all the notifiers registered. + * + * @mr: the memory region to observe + */ +void memory_region_iommu_replay_all(MemoryRegion *mr); + +/** * memory_region_unregister_iommu_notifier: unregister a notifier for * changes to IOMMU translation entries. * diff --git a/include/hw/i386/intel_iommu.h b/include/hw/i386/intel_iommu.h index fe645aa93a..3e51876b75 100644 --- a/include/hw/i386/intel_iommu.h +++ b/include/hw/i386/intel_iommu.h @@ -63,6 +63,7 @@ typedef union VTD_IR_TableEntry VTD_IR_TableEntry; typedef union VTD_IR_MSIAddress VTD_IR_MSIAddress; typedef struct VTDIrq VTDIrq; typedef struct VTD_MSIMessage VTD_MSIMessage; +typedef struct IntelIOMMUNotifierNode IntelIOMMUNotifierNode; /* Context-Entry */ struct VTDContextEntry { @@ -83,6 +84,8 @@ struct VTDAddressSpace { uint8_t devfn; AddressSpace as; MemoryRegion iommu; + MemoryRegion root; + MemoryRegion sys_alias; MemoryRegion iommu_ir; /* Interrupt region: 0xfeeXXXXX */ IntelIOMMUState *iommu_state; VTDContextCacheEntry context_cache_entry; @@ -247,6 +250,11 @@ struct VTD_MSIMessage { /* When IR is enabled, all MSI/MSI-X data bits should be zero */ #define VTD_IR_MSI_DATA (0) +struct IntelIOMMUNotifierNode { + VTDAddressSpace *vtd_as; + QLIST_ENTRY(IntelIOMMUNotifierNode) next; +}; + /* The iommu (DMAR) device state struct */ struct IntelIOMMUState { X86IOMMUState x86_iommu; @@ -284,6 +292,8 @@ struct IntelIOMMUState { MemoryRegionIOMMUOps iommu_ops; GHashTable *vtd_as_by_busptr; /* VTDBus objects indexed by PCIBus* reference */ VTDBus *vtd_as_by_bus_num[VTD_PCI_BUS_MAX]; /* VTDBus objects indexed by bus number */ + /* list of registered notifiers */ + QLIST_HEAD(, IntelIOMMUNotifierNode) notifiers_list; /* interrupt remapping */ bool intr_enabled; /* Whether guest enabled IR */ diff --git a/include/hw/qdev-core.h b/include/hw/qdev-core.h index b44b476765..ac682a6818 100644 --- a/include/hw/qdev-core.h +++ b/include/hw/qdev-core.h @@ -113,19 +113,6 @@ typedef struct DeviceClass { * TODO remove once we're there */ bool cannot_instantiate_with_device_add_yet; - /* - * Does this device model survive object_unref(object_new(TNAME))? - * All device models should, and this flag shouldn't exist. Some - * devices crash in object_new(), some crash or hang in - * object_unref(). Makes introspecting properties with - * qmp_device_list_properties() dangerous. Bad, because it's used - * by -device FOO,help. This flag serves to protect that code. - * It should never be set without a comment explaining why it is - * set. - * TODO remove once we're there - */ - bool cannot_destroy_with_object_finalize_yet; - bool hotpluggable; /* callbacks */ diff --git a/include/hw/qdev-properties.h b/include/hw/qdev-properties.h index 7ac315331a..1d69fa7a8f 100644 --- a/include/hw/qdev-properties.h +++ b/include/hw/qdev-properties.h @@ -188,7 +188,8 @@ void qdev_prop_set_chr(DeviceState *dev, const char *name, Chardev *value); void qdev_prop_set_netdev(DeviceState *dev, const char *name, NetClientState *value); void qdev_prop_set_drive(DeviceState *dev, const char *name, BlockBackend *value, Error **errp); -void qdev_prop_set_macaddr(DeviceState *dev, const char *name, uint8_t *value); +void qdev_prop_set_macaddr(DeviceState *dev, const char *name, + const uint8_t *value); void qdev_prop_set_enum(DeviceState *dev, const char *name, int value); /* FIXME: Remove opaque pointer properties. */ void qdev_prop_set_ptr(DeviceState *dev, const char *name, void *value); diff --git a/include/qemu/compiler.h b/include/qemu/compiler.h index e0ce9ffb28..18e610083a 100644 --- a/include/qemu/compiler.h +++ b/include/qemu/compiler.h @@ -24,17 +24,9 @@ #define QEMU_NORETURN __attribute__ ((__noreturn__)) -#if QEMU_GNUC_PREREQ(3, 4) #define QEMU_WARN_UNUSED_RESULT __attribute__((warn_unused_result)) -#else -#define QEMU_WARN_UNUSED_RESULT -#endif -#if QEMU_GNUC_PREREQ(4, 0) #define QEMU_SENTINEL __attribute__((sentinel)) -#else -#define QEMU_SENTINEL -#endif #if QEMU_GNUC_PREREQ(4, 3) #define QEMU_ARTIFICIAL __attribute__((always_inline, artificial)) diff --git a/include/qemu/host-utils.h b/include/qemu/host-utils.h index a38be42253..95cf4f4163 100644 --- a/include/qemu/host-utils.h +++ b/include/qemu/host-utils.h @@ -115,37 +115,7 @@ static inline uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c) */ static inline int clz32(uint32_t val) { -#if QEMU_GNUC_PREREQ(3, 4) return val ? __builtin_clz(val) : 32; -#else - /* Binary search for the leading one bit. */ - int cnt = 0; - - if (!(val & 0xFFFF0000U)) { - cnt += 16; - val <<= 16; - } - if (!(val & 0xFF000000U)) { - cnt += 8; - val <<= 8; - } - if (!(val & 0xF0000000U)) { - cnt += 4; - val <<= 4; - } - if (!(val & 0xC0000000U)) { - cnt += 2; - val <<= 2; - } - if (!(val & 0x80000000U)) { - cnt++; - val <<= 1; - } - if (!(val & 0x80000000U)) { - cnt++; - } - return cnt; -#endif } /** @@ -168,19 +138,7 @@ static inline int clo32(uint32_t val) */ static inline int clz64(uint64_t val) { -#if QEMU_GNUC_PREREQ(3, 4) return val ? __builtin_clzll(val) : 64; -#else - int cnt = 0; - - if (!(val >> 32)) { - cnt += 32; - } else { - val >>= 32; - } - - return cnt + clz32(val); -#endif } /** @@ -203,39 +161,7 @@ static inline int clo64(uint64_t val) */ static inline int ctz32(uint32_t val) { -#if QEMU_GNUC_PREREQ(3, 4) return val ? __builtin_ctz(val) : 32; -#else - /* Binary search for the trailing one bit. */ - int cnt; - - cnt = 0; - if (!(val & 0x0000FFFFUL)) { - cnt += 16; - val >>= 16; - } - if (!(val & 0x000000FFUL)) { - cnt += 8; - val >>= 8; - } - if (!(val & 0x0000000FUL)) { - cnt += 4; - val >>= 4; - } - if (!(val & 0x00000003UL)) { - cnt += 2; - val >>= 2; - } - if (!(val & 0x00000001UL)) { - cnt++; - val >>= 1; - } - if (!(val & 0x00000001UL)) { - cnt++; - } - - return cnt; -#endif } /** @@ -258,19 +184,7 @@ static inline int cto32(uint32_t val) */ static inline int ctz64(uint64_t val) { -#if QEMU_GNUC_PREREQ(3, 4) return val ? __builtin_ctzll(val) : 64; -#else - int cnt; - - cnt = 0; - if (!((uint32_t)val)) { - cnt += 32; - val >>= 32; - } - - return cnt + ctz32(val); -#endif } /** @@ -322,15 +236,7 @@ static inline int clrsb64(uint64_t val) */ static inline int ctpop8(uint8_t val) { -#if QEMU_GNUC_PREREQ(3, 4) return __builtin_popcount(val); -#else - val = (val & 0x55) + ((val >> 1) & 0x55); - val = (val & 0x33) + ((val >> 2) & 0x33); - val = (val + (val >> 4)) & 0x0f; - - return val; -#endif } /** @@ -339,16 +245,7 @@ static inline int ctpop8(uint8_t val) */ static inline int ctpop16(uint16_t val) { -#if QEMU_GNUC_PREREQ(3, 4) return __builtin_popcount(val); -#else - val = (val & 0x5555) + ((val >> 1) & 0x5555); - val = (val & 0x3333) + ((val >> 2) & 0x3333); - val = (val + (val >> 4)) & 0x0f0f; - val = (val + (val >> 8)) & 0x00ff; - - return val; -#endif } /** @@ -357,16 +254,7 @@ static inline int ctpop16(uint16_t val) */ static inline int ctpop32(uint32_t val) { -#if QEMU_GNUC_PREREQ(3, 4) return __builtin_popcount(val); -#else - val = (val & 0x55555555) + ((val >> 1) & 0x55555555); - val = (val & 0x33333333) + ((val >> 2) & 0x33333333); - val = (val + (val >> 4)) & 0x0f0f0f0f; - val = (val * 0x01010101) >> 24; - - return val; -#endif } /** @@ -375,16 +263,7 @@ static inline int ctpop32(uint32_t val) */ static inline int ctpop64(uint64_t val) { -#if QEMU_GNUC_PREREQ(3, 4) return __builtin_popcountll(val); -#else - val = (val & 0x5555555555555555ULL) + ((val >> 1) & 0x5555555555555555ULL); - val = (val & 0x3333333333333333ULL) + ((val >> 2) & 0x3333333333333333ULL); - val = (val + (val >> 4)) & 0x0f0f0f0f0f0f0f0fULL; - val = (val * 0x0101010101010101ULL) >> 56; - - return val; -#endif } /** diff --git a/include/sysemu/hostmem.h b/include/sysemu/hostmem.h index ecae0cff19..ed6a437f4d 100644 --- a/include/sysemu/hostmem.h +++ b/include/sysemu/hostmem.h @@ -62,6 +62,7 @@ struct HostMemoryBackend { MemoryRegion mr; }; +bool host_memory_backend_mr_inited(HostMemoryBackend *backend); MemoryRegion *host_memory_backend_get_memory(HostMemoryBackend *backend, Error **errp); |