diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/hw/core/cpu.h | 2 | ||||
| -rw-r--r-- | include/hw/intc/arm_gicv3_common.h | 54 | ||||
| -rw-r--r-- | include/hw/misc/mos6522.h | 2 | ||||
| -rw-r--r-- | include/hw/pci/pci.h | 10 | ||||
| -rw-r--r-- | include/hw/qdev-properties-system.h | 3 | ||||
| -rw-r--r-- | include/hw/usb/dwc2-regs.h | 2 | ||||
| -rw-r--r-- | include/hw/virtio/virtio-gpu.h | 15 | ||||
| -rw-r--r-- | include/hw/virtio/virtio-net.h | 2 | ||||
| -rw-r--r-- | include/hw/virtio/virtio.h | 2 | ||||
| -rw-r--r-- | include/net/checksum.h | 2 | ||||
| -rw-r--r-- | include/net/eth.h | 2 | ||||
| -rw-r--r-- | include/qemu/bitmap.h | 8 | ||||
| -rw-r--r-- | include/qemu/bitops.h | 172 | ||||
| -rw-r--r-- | include/qemu/qemu-plugin.h | 1 |
14 files changed, 217 insertions, 60 deletions
diff --git a/include/hw/core/cpu.h b/include/hw/core/cpu.h index db8a6fbc6e..c3ca0babcb 100644 --- a/include/hw/core/cpu.h +++ b/include/hw/core/cpu.h @@ -158,8 +158,6 @@ struct CPUClass { void (*dump_state)(CPUState *cpu, FILE *, int flags); void (*query_cpu_fast)(CPUState *cpu, CpuInfoFast *value); int64_t (*get_arch_id)(CPUState *cpu); - bool (*cpu_persistent_status)(CPUState *cpu); - bool (*cpu_enabled_status)(CPUState *cpu); void (*set_pc)(CPUState *cpu, vaddr value); vaddr (*get_pc)(CPUState *cpu); int (*gdb_read_register)(CPUState *cpu, GByteArray *buf, int reg); diff --git a/include/hw/intc/arm_gicv3_common.h b/include/hw/intc/arm_gicv3_common.h index cd09bee3bc..a3d6a0e507 100644 --- a/include/hw/intc/arm_gicv3_common.h +++ b/include/hw/intc/arm_gicv3_common.h @@ -51,13 +51,13 @@ /* Maximum number of list registers (architectural limit) */ #define GICV3_LR_MAX 16 -/* For some distributor fields we want to model the array of 32-bit +/* + * For some distributor fields we want to model the array of 32-bit * register values which hold various bitmaps corresponding to enabled, - * pending, etc bits. These macros and functions facilitate that; the - * APIs are generally modelled on the generic bitmap.h functions - * (which are unsuitable here because they use 'unsigned long' as the - * underlying storage type, which is very awkward when you need to - * access the data as 32-bit values.) + * pending, etc bits. We use the set_bit32() etc family of functions + * from bitops.h for this. For a few cases we need to implement some + * extra operations. + * * Each bitmap contains a bit for each interrupt. Although there is * space for the PPIs and SGIs, those bits (the first 32) are never * used as that state lives in the redistributor. The unused bits are @@ -65,39 +65,13 @@ * avoids bugs where we forget to subtract GIC_INTERNAL from an * interrupt number. */ -#define GICV3_BMP_SIZE DIV_ROUND_UP(GICV3_MAXIRQ, 32) - -#define GIC_DECLARE_BITMAP(name) \ - uint32_t name[GICV3_BMP_SIZE] - -#define GIC_BIT_MASK(nr) (1U << ((nr) % 32)) -#define GIC_BIT_WORD(nr) ((nr) / 32) - -static inline void gic_bmp_set_bit(int nr, uint32_t *addr) -{ - uint32_t mask = GIC_BIT_MASK(nr); - uint32_t *p = addr + GIC_BIT_WORD(nr); - - *p |= mask; -} - -static inline void gic_bmp_clear_bit(int nr, uint32_t *addr) -{ - uint32_t mask = GIC_BIT_MASK(nr); - uint32_t *p = addr + GIC_BIT_WORD(nr); - - *p &= ~mask; -} - -static inline int gic_bmp_test_bit(int nr, const uint32_t *addr) -{ - return 1U & (addr[GIC_BIT_WORD(nr)] >> (nr & 31)); -} +#define GIC_DECLARE_BITMAP(name) DECLARE_BITMAP32(name, GICV3_MAXIRQ) +#define GICV3_BMP_SIZE BITS_TO_U32S(GICV3_MAXIRQ) static inline void gic_bmp_replace_bit(int nr, uint32_t *addr, int val) { - uint32_t mask = GIC_BIT_MASK(nr); - uint32_t *p = addr + GIC_BIT_WORD(nr); + uint32_t mask = BIT32_MASK(nr); + uint32_t *p = addr + BIT32_WORD(nr); *p &= ~mask; *p |= (val & 1U) << (nr % 32); @@ -106,7 +80,7 @@ static inline void gic_bmp_replace_bit(int nr, uint32_t *addr, int val) /* Return a pointer to the 32-bit word containing the specified bit. */ static inline uint32_t *gic_bmp_ptr32(uint32_t *addr, int nr) { - return addr + GIC_BIT_WORD(nr); + return addr + BIT32_WORD(nr); } typedef struct GICv3State GICv3State; @@ -301,15 +275,15 @@ struct GICv3State { #define GICV3_BITMAP_ACCESSORS(BMP) \ static inline void gicv3_gicd_##BMP##_set(GICv3State *s, int irq) \ { \ - gic_bmp_set_bit(irq, s->BMP); \ + set_bit32(irq, s->BMP); \ } \ static inline int gicv3_gicd_##BMP##_test(GICv3State *s, int irq) \ { \ - return gic_bmp_test_bit(irq, s->BMP); \ + return test_bit32(irq, s->BMP); \ } \ static inline void gicv3_gicd_##BMP##_clear(GICv3State *s, int irq) \ { \ - gic_bmp_clear_bit(irq, s->BMP); \ + clear_bit32(irq, s->BMP); \ } \ static inline void gicv3_gicd_##BMP##_replace(GICv3State *s, \ int irq, int value) \ diff --git a/include/hw/misc/mos6522.h b/include/hw/misc/mos6522.h index fba45668ab..920871a598 100644 --- a/include/hw/misc/mos6522.h +++ b/include/hw/misc/mos6522.h @@ -154,7 +154,7 @@ struct MOS6522State { OBJECT_DECLARE_TYPE(MOS6522State, MOS6522DeviceClass, MOS6522) struct MOS6522DeviceClass { - DeviceClass parent_class; + SysBusDeviceClass parent_class; ResettablePhases parent_phases; void (*portB_write)(MOS6522State *dev); diff --git a/include/hw/pci/pci.h b/include/hw/pci/pci.h index 135695c551..c0717e3121 100644 --- a/include/hw/pci/pci.h +++ b/include/hw/pci/pci.h @@ -670,16 +670,6 @@ static inline void pci_irq_deassert(PCIDevice *pci_dev) pci_set_irq(pci_dev, 0); } -/* - * FIXME: PCI does not work this way. - * All the callers to this method should be fixed. - */ -static inline void pci_irq_pulse(PCIDevice *pci_dev) -{ - pci_irq_assert(pci_dev); - pci_irq_deassert(pci_dev); -} - MSIMessage pci_get_msi_message(PCIDevice *dev, int vector); void pci_set_power(PCIDevice *pci_dev, bool state); diff --git a/include/hw/qdev-properties-system.h b/include/hw/qdev-properties-system.h index cdcc63056e..7ec37f6316 100644 --- a/include/hw/qdev-properties-system.h +++ b/include/hw/qdev-properties-system.h @@ -3,6 +3,9 @@ #include "hw/qdev-properties.h" +bool qdev_prop_sanitize_s390x_loadparm(uint8_t *loadparm, const char *str, + Error **errp); + extern const PropertyInfo qdev_prop_chr; extern const PropertyInfo qdev_prop_macaddr; extern const PropertyInfo qdev_prop_reserved_region; diff --git a/include/hw/usb/dwc2-regs.h b/include/hw/usb/dwc2-regs.h index 523b112c5e..b8b4266543 100644 --- a/include/hw/usb/dwc2-regs.h +++ b/include/hw/usb/dwc2-regs.h @@ -838,7 +838,7 @@ struct dwc2_dma_desc { uint32_t status; uint32_t buf; -} __packed; +} QEMU_PACKED; /* Host Mode DMA descriptor status quadlet */ diff --git a/include/hw/virtio/virtio-gpu.h b/include/hw/virtio/virtio-gpu.h index 553799b8cc..8c977beebd 100644 --- a/include/hw/virtio/virtio-gpu.h +++ b/include/hw/virtio/virtio-gpu.h @@ -333,6 +333,21 @@ void virtio_gpu_update_cursor_data(VirtIOGPU *g, struct virtio_gpu_scanout *s, uint32_t resource_id); +/** + * virtio_gpu_scanout_blob_to_fb() - fill out fb based on scanout data + * fb: the frame-buffer descriptor to fill out + * ss: the scanout blob data + * blob_size: size of scanout blob data + * + * This will check we have enough space for the frame taking into + * account that stride. + * + * Returns true on success, otherwise logs guest error and returns false + */ +bool virtio_gpu_scanout_blob_to_fb(struct virtio_gpu_framebuffer *fb, + struct virtio_gpu_set_scanout_blob *ss, + uint64_t blob_size); + /* virtio-gpu-udmabuf.c */ bool virtio_gpu_have_udmabuf(void); void virtio_gpu_init_udmabuf(struct virtio_gpu_simple_resource *res); diff --git a/include/hw/virtio/virtio-net.h b/include/hw/virtio/virtio-net.h index 060c23c04d..b9ea9e824e 100644 --- a/include/hw/virtio/virtio-net.h +++ b/include/hw/virtio/virtio-net.h @@ -102,7 +102,7 @@ typedef struct VirtioNetRscStat { /* Rsc unit general info used to checking if can coalescing */ typedef struct VirtioNetRscUnit { void *ip; /* ip header */ - uint16_t *ip_plen; /* data len pointer in ip header field */ + void *ip_plen; /* pointer to unaligned uint16_t data len in ip header */ struct tcp_header *tcp; /* tcp header */ uint16_t tcp_hdrlen; /* tcp header len */ uint16_t payload; /* pure payload without virtio/eth/ip/tcp */ diff --git a/include/hw/virtio/virtio.h b/include/hw/virtio/virtio.h index f526ecc8fc..6386910280 100644 --- a/include/hw/virtio/virtio.h +++ b/include/hw/virtio/virtio.h @@ -210,6 +210,8 @@ struct VirtioDeviceClass { void (*guest_notifier_mask)(VirtIODevice *vdev, int n, bool mask); int (*start_ioeventfd)(VirtIODevice *vdev); void (*stop_ioeventfd)(VirtIODevice *vdev); + /* Called before loading queues. Useful to add queues before loading. */ + int (*pre_load_queues)(VirtIODevice *vdev); /* Saving and loading of a device; trying to deprecate save/load * use vmsd for new devices. */ diff --git a/include/net/checksum.h b/include/net/checksum.h index 7dec37e56c..188e4cca0b 100644 --- a/include/net/checksum.h +++ b/include/net/checksum.h @@ -30,7 +30,7 @@ uint32_t net_checksum_add_cont(int len, uint8_t *buf, int seq); uint16_t net_checksum_finish(uint32_t sum); uint16_t net_checksum_tcpudp(uint16_t length, uint16_t proto, uint8_t *addrs, uint8_t *buf); -void net_checksum_calculate(uint8_t *data, int length, int csum_flag); +void net_checksum_calculate(void *data, int length, int csum_flag); static inline uint32_t net_checksum_add(int len, uint8_t *buf) diff --git a/include/net/eth.h b/include/net/eth.h index 3b80b6e07f..14c34f530f 100644 --- a/include/net/eth.h +++ b/include/net/eth.h @@ -56,7 +56,7 @@ struct ip_header { uint8_t ip_p; /* protocol */ uint16_t ip_sum; /* checksum */ uint32_t ip_src, ip_dst; /* source and destination address */ -}; +} QEMU_PACKED; typedef struct tcp_header { uint16_t th_sport; /* source port */ diff --git a/include/qemu/bitmap.h b/include/qemu/bitmap.h index 1cf288445f..0044333cb5 100644 --- a/include/qemu/bitmap.h +++ b/include/qemu/bitmap.h @@ -69,6 +69,14 @@ #define DECLARE_BITMAP(name,bits) \ unsigned long name[BITS_TO_LONGS(bits)] +/* + * This is for use with the bit32 versions of set_bit() etc; + * we don't currently support the full range of bitmap operations + * on bitmaps backed by an array of uint32_t. + */ +#define DECLARE_BITMAP32(name, bits) \ + uint32_t name[BITS_TO_U32S(bits)] + #define small_nbits(nbits) \ ((nbits) <= BITS_PER_LONG) diff --git a/include/qemu/bitops.h b/include/qemu/bitops.h index 2c0a2fe751..c7b838a628 100644 --- a/include/qemu/bitops.h +++ b/include/qemu/bitops.h @@ -18,17 +18,48 @@ #define BITS_PER_BYTE CHAR_BIT #define BITS_PER_LONG (sizeof (unsigned long) * BITS_PER_BYTE) +#define BITS_TO_LONGS(nr) DIV_ROUND_UP(nr, BITS_PER_BYTE * sizeof(long)) +#define BITS_TO_U32S(nr) DIV_ROUND_UP(nr, BITS_PER_BYTE * sizeof(uint32_t)) #define BIT(nr) (1UL << (nr)) #define BIT_ULL(nr) (1ULL << (nr)) -#define BIT_MASK(nr) (1UL << ((nr) % BITS_PER_LONG)) -#define BIT_WORD(nr) ((nr) / BITS_PER_LONG) -#define BITS_TO_LONGS(nr) DIV_ROUND_UP(nr, BITS_PER_BYTE * sizeof(long)) #define MAKE_64BIT_MASK(shift, length) \ (((~0ULL) >> (64 - (length))) << (shift)) /** + * DOC: Functions operating on arrays of bits + * + * We provide a set of functions which work on arbitrary-length arrays of + * bits. These come in several flavours which vary in what the type of the + * underlying storage for the bits is: + * + * - Bits stored in an array of 'unsigned long': set_bit(), clear_bit(), etc + * - Bits stored in an array of 'uint32_t': set_bit32(), clear_bit32(), etc + * + * Because the 'unsigned long' type has a size which varies between + * host systems, the versions using 'uint32_t' are often preferable. + * This is particularly the case in a device model where there may + * be some guest-visible register view of the bit array. + * + * We do not currently implement uint32_t versions of find_last_bit(), + * find_next_bit(), find_next_zero_bit(), find_first_bit() or + * find_first_zero_bit(), because we haven't yet needed them. If you + * need them you should implement them similarly to the 'unsigned long' + * versions. + * + * You can declare a bitmap to be used with these functions via the + * DECLARE_BITMAP and DECLARE_BITMAP32 macros in bitmap.h. + */ + +/** + * DOC: 'unsigned long' bit array APIs + */ + +#define BIT_MASK(nr) (1UL << ((nr) % BITS_PER_LONG)) +#define BIT_WORD(nr) ((nr) / BITS_PER_LONG) + +/** * set_bit - Set a bit in memory * @nr: the bit to set * @addr: the address to start counting from @@ -225,6 +256,141 @@ static inline unsigned long find_first_zero_bit(const unsigned long *addr, } /** + * DOC: 'uint32_t' bit array APIs + */ + +#define BIT32_MASK(nr) (1UL << ((nr) % 32)) +#define BIT32_WORD(nr) ((nr) / 32) + +/** + * set_bit32 - Set a bit in memory + * @nr: the bit to set + * @addr: the address to start counting from + */ +static inline void set_bit32(long nr, uint32_t *addr) +{ + uint32_t mask = BIT32_MASK(nr); + uint32_t *p = addr + BIT32_WORD(nr); + + *p |= mask; +} + +/** + * set_bit32_atomic - Set a bit in memory atomically + * @nr: the bit to set + * @addr: the address to start counting from + */ +static inline void set_bit32_atomic(long nr, uint32_t *addr) +{ + uint32_t mask = BIT32_MASK(nr); + uint32_t *p = addr + BIT32_WORD(nr); + + qatomic_or(p, mask); +} + +/** + * clear_bit32 - Clears a bit in memory + * @nr: Bit to clear + * @addr: Address to start counting from + */ +static inline void clear_bit32(long nr, uint32_t *addr) +{ + uint32_t mask = BIT32_MASK(nr); + uint32_t *p = addr + BIT32_WORD(nr); + + *p &= ~mask; +} + +/** + * clear_bit32_atomic - Clears a bit in memory atomically + * @nr: Bit to clear + * @addr: Address to start counting from + */ +static inline void clear_bit32_atomic(long nr, uint32_t *addr) +{ + uint32_t mask = BIT32_MASK(nr); + uint32_t *p = addr + BIT32_WORD(nr); + + return qatomic_and(p, ~mask); +} + +/** + * change_bit32 - Toggle a bit in memory + * @nr: Bit to change + * @addr: Address to start counting from + */ +static inline void change_bit32(long nr, uint32_t *addr) +{ + uint32_t mask = BIT32_MASK(nr); + uint32_t *p = addr + BIT32_WORD(nr); + + *p ^= mask; +} + +/** + * test_and_set_bit32 - Set a bit and return its old value + * @nr: Bit to set + * @addr: Address to count from + */ +static inline int test_and_set_bit32(long nr, uint32_t *addr) +{ + uint32_t mask = BIT32_MASK(nr); + uint32_t *p = addr + BIT32_WORD(nr); + uint32_t old = *p; + + *p = old | mask; + return (old & mask) != 0; +} + +/** + * test_and_clear_bit32 - Clear a bit and return its old value + * @nr: Bit to clear + * @addr: Address to count from + */ +static inline int test_and_clear_bit32(long nr, uint32_t *addr) +{ + uint32_t mask = BIT32_MASK(nr); + uint32_t *p = addr + BIT32_WORD(nr); + uint32_t old = *p; + + *p = old & ~mask; + return (old & mask) != 0; +} + +/** + * test_and_change_bit32 - Change a bit and return its old value + * @nr: Bit to change + * @addr: Address to count from + */ +static inline int test_and_change_bit32(long nr, uint32_t *addr) +{ + uint32_t mask = BIT32_MASK(nr); + uint32_t *p = addr + BIT32_WORD(nr); + uint32_t old = *p; + + *p = old ^ mask; + return (old & mask) != 0; +} + +/** + * test_bit32 - Determine whether a bit is set + * @nr: bit number to test + * @addr: Address to start counting from + */ +static inline int test_bit32(long nr, const uint32_t *addr) +{ + return 1U & (addr[BIT32_WORD(nr)] >> (nr & 31)); +} + +/** + * DOC: Miscellaneous bit operations on single values + * + * These functions are a collection of useful operations + * (rotations, bit extract, bit deposit, etc) on single + * integer values. + */ + +/** * rol8 - rotate an 8-bit value left * @word: value to rotate * @shift: bits to roll diff --git a/include/qemu/qemu-plugin.h b/include/qemu/qemu-plugin.h index 622c9a0232..0fba36ae02 100644 --- a/include/qemu/qemu-plugin.h +++ b/include/qemu/qemu-plugin.h @@ -803,6 +803,7 @@ void qemu_plugin_register_atexit_cb(qemu_plugin_id_t id, qemu_plugin_udata_cb_t cb, void *userdata); /* returns how many vcpus were started at this point */ +QEMU_PLUGIN_API int qemu_plugin_num_vcpus(void); /** |