diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/acpi.h | 1 | ||||
| -rw-r--r-- | include/linux/kernel_stat.h | 1 | ||||
| -rw-r--r-- | include/linux/migrate.h | 10 | ||||
| -rw-r--r-- | include/linux/mm.h | 2 | ||||
| -rw-r--r-- | include/linux/module.h | 16 | ||||
| -rw-r--r-- | include/linux/pci.h | 1 | ||||
| -rw-r--r-- | include/linux/uio.h | 5 | ||||
| -rw-r--r-- | include/linux/virtio_config.h | 29 | ||||
| -rw-r--r-- | include/linux/vringh.h | 37 | ||||
| -rw-r--r-- | include/target/target_core_backend.h | 43 | ||||
| -rw-r--r-- | include/target/target_core_backend_configfs.h | 120 | ||||
| -rw-r--r-- | include/trace/events/module.h | 2 | ||||
| -rw-r--r-- | include/uapi/linux/audit.h | 2 | ||||
| -rw-r--r-- | include/uapi/linux/target_core_user.h | 4 | ||||
| -rw-r--r-- | include/uapi/linux/virtio_pci.h | 15 |
15 files changed, 248 insertions, 40 deletions
diff --git a/include/linux/acpi.h b/include/linux/acpi.h index 6bff83b1f298..856d381b1d5b 100644 --- a/include/linux/acpi.h +++ b/include/linux/acpi.h @@ -153,6 +153,7 @@ int acpi_unmap_lsapic(int cpu); int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base); int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base); +int acpi_ioapic_registered(acpi_handle handle, u32 gsi_base); void acpi_irq_stats_init(void); extern u32 acpi_irq_handled; extern u32 acpi_irq_not_handled; diff --git a/include/linux/kernel_stat.h b/include/linux/kernel_stat.h index b9376cd5a187..25a822f6f000 100644 --- a/include/linux/kernel_stat.h +++ b/include/linux/kernel_stat.h @@ -68,6 +68,7 @@ static inline unsigned int kstat_softirqs_cpu(unsigned int irq, int cpu) * Number of interrupts per specific IRQ source, since bootup */ extern unsigned int kstat_irqs(unsigned int irq); +extern unsigned int kstat_irqs_usr(unsigned int irq); /* * Number of interrupts per cpu, since bootup diff --git a/include/linux/migrate.h b/include/linux/migrate.h index 01aad3ed89ec..fab9b32ace8e 100644 --- a/include/linux/migrate.h +++ b/include/linux/migrate.h @@ -36,9 +36,6 @@ extern int migrate_pages(struct list_head *l, new_page_t new, free_page_t free, extern int migrate_prep(void); extern int migrate_prep_local(void); -extern int migrate_vmas(struct mm_struct *mm, - const nodemask_t *from, const nodemask_t *to, - unsigned long flags); extern void migrate_page_copy(struct page *newpage, struct page *page); extern int migrate_huge_page_move_mapping(struct address_space *mapping, struct page *newpage, struct page *page); @@ -57,13 +54,6 @@ static inline int migrate_pages(struct list_head *l, new_page_t new, static inline int migrate_prep(void) { return -ENOSYS; } static inline int migrate_prep_local(void) { return -ENOSYS; } -static inline int migrate_vmas(struct mm_struct *mm, - const nodemask_t *from, const nodemask_t *to, - unsigned long flags) -{ - return -ENOSYS; -} - static inline void migrate_page_copy(struct page *newpage, struct page *page) {} diff --git a/include/linux/mm.h b/include/linux/mm.h index c0a67b894c4c..f80d0194c9bc 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -286,8 +286,6 @@ struct vm_operations_struct { */ struct mempolicy *(*get_policy)(struct vm_area_struct *vma, unsigned long addr); - int (*migrate)(struct vm_area_struct *vma, const nodemask_t *from, - const nodemask_t *to, unsigned long flags); #endif /* called by sys_remap_file_pages() to populate non-linear mapping */ int (*remap_pages)(struct vm_area_struct *vma, unsigned long addr, diff --git a/include/linux/module.h b/include/linux/module.h index 71f282a4e307..ebfb0e153c6a 100644 --- a/include/linux/module.h +++ b/include/linux/module.h @@ -210,20 +210,6 @@ enum module_state { MODULE_STATE_UNFORMED, /* Still setting it up. */ }; -/** - * struct module_ref - per cpu module reference counts - * @incs: number of module get on this cpu - * @decs: number of module put on this cpu - * - * We force an alignment on 8 or 16 bytes, so that alloc_percpu() - * put @incs/@decs in same cache line, with no extra memory cost, - * since alloc_percpu() is fine grained. - */ -struct module_ref { - unsigned long incs; - unsigned long decs; -} __attribute((aligned(2 * sizeof(unsigned long)))); - struct module { enum module_state state; @@ -367,7 +353,7 @@ struct module { /* Destruction function. */ void (*exit)(void); - struct module_ref __percpu *refptr; + atomic_t refcnt; #endif #ifdef CONFIG_CONSTRUCTORS diff --git a/include/linux/pci.h b/include/linux/pci.h index 44a27696ab6c..360a966a97a5 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -349,6 +349,7 @@ struct pci_dev { unsigned int __aer_firmware_first:1; unsigned int broken_intx_masking:1; unsigned int io_window_1k:1; /* Intel P2P bridge 1K I/O windows */ + unsigned int irq_managed:1; pci_dev_flags_t dev_flags; atomic_t enable_cnt; /* pci_enable_device has been called */ diff --git a/include/linux/uio.h b/include/linux/uio.h index a41e252396c0..1c5e453f7ea9 100644 --- a/include/linux/uio.h +++ b/include/linux/uio.h @@ -101,6 +101,11 @@ static inline size_t iov_iter_count(struct iov_iter *i) return i->count; } +static inline bool iter_is_iovec(struct iov_iter *i) +{ + return !(i->type & (ITER_BVEC | ITER_KVEC)); +} + /* * Cap the iov_iter by given limit; note that the second argument is * *not* the new size - it's upper limit for such. Passing it a value diff --git a/include/linux/virtio_config.h b/include/linux/virtio_config.h index 7979f850e7ac..ca3ed78e5ec7 100644 --- a/include/linux/virtio_config.h +++ b/include/linux/virtio_config.h @@ -19,6 +19,9 @@ * offset: the offset of the configuration field * buf: the buffer to read the field value from. * len: the length of the buffer + * @generation: config generation counter + * vdev: the virtio_device + * Returns the config generation counter * @get_status: read the status byte * vdev: the virtio_device * Returns the status byte @@ -60,6 +63,7 @@ struct virtio_config_ops { void *buf, unsigned len); void (*set)(struct virtio_device *vdev, unsigned offset, const void *buf, unsigned len); + u32 (*generation)(struct virtio_device *vdev); u8 (*get_status)(struct virtio_device *vdev); void (*set_status)(struct virtio_device *vdev, u8 status); void (*reset)(struct virtio_device *vdev); @@ -301,11 +305,33 @@ static inline u8 virtio_cread8(struct virtio_device *vdev, unsigned int offset) return ret; } +/* Read @count fields, @bytes each. */ +static inline void __virtio_cread_many(struct virtio_device *vdev, + unsigned int offset, + void *buf, size_t count, size_t bytes) +{ + u32 old, gen = vdev->config->generation ? + vdev->config->generation(vdev) : 0; + int i; + + do { + old = gen; + + for (i = 0; i < count; i++) + vdev->config->get(vdev, offset + bytes * i, + buf + i * bytes, bytes); + + gen = vdev->config->generation ? + vdev->config->generation(vdev) : 0; + } while (gen != old); +} + + static inline void virtio_cread_bytes(struct virtio_device *vdev, unsigned int offset, void *buf, size_t len) { - vdev->config->get(vdev, offset, buf, len); + __virtio_cread_many(vdev, offset, buf, len, 1); } static inline void virtio_cwrite8(struct virtio_device *vdev, @@ -349,6 +375,7 @@ static inline u64 virtio_cread64(struct virtio_device *vdev, { u64 ret; vdev->config->get(vdev, offset, &ret, sizeof(ret)); + __virtio_cread_many(vdev, offset, &ret, 1, sizeof(ret)); return virtio64_to_cpu(vdev, (__force __virtio64)ret); } diff --git a/include/linux/vringh.h b/include/linux/vringh.h index 749cde28728b..a3fa537e717a 100644 --- a/include/linux/vringh.h +++ b/include/linux/vringh.h @@ -24,12 +24,16 @@ #ifndef _LINUX_VRINGH_H #define _LINUX_VRINGH_H #include <uapi/linux/virtio_ring.h> +#include <linux/virtio_byteorder.h> #include <linux/uio.h> #include <linux/slab.h> #include <asm/barrier.h> /* virtio_ring with information needed for host access. */ struct vringh { + /* Everything is little endian */ + bool little_endian; + /* Guest publishes used event idx (note: we always do). */ bool event_indices; @@ -105,7 +109,7 @@ struct vringh_kiov { #define VRINGH_IOV_ALLOCATED 0x8000000 /* Helpers for userspace vrings. */ -int vringh_init_user(struct vringh *vrh, u32 features, +int vringh_init_user(struct vringh *vrh, u64 features, unsigned int num, bool weak_barriers, struct vring_desc __user *desc, struct vring_avail __user *avail, @@ -167,7 +171,7 @@ bool vringh_notify_enable_user(struct vringh *vrh); void vringh_notify_disable_user(struct vringh *vrh); /* Helpers for kernelspace vrings. */ -int vringh_init_kern(struct vringh *vrh, u32 features, +int vringh_init_kern(struct vringh *vrh, u64 features, unsigned int num, bool weak_barriers, struct vring_desc *desc, struct vring_avail *avail, @@ -222,4 +226,33 @@ static inline void vringh_notify(struct vringh *vrh) vrh->notify(vrh); } +static inline u16 vringh16_to_cpu(const struct vringh *vrh, __virtio16 val) +{ + return __virtio16_to_cpu(vrh->little_endian, val); +} + +static inline __virtio16 cpu_to_vringh16(const struct vringh *vrh, u16 val) +{ + return __cpu_to_virtio16(vrh->little_endian, val); +} + +static inline u32 vringh32_to_cpu(const struct vringh *vrh, __virtio32 val) +{ + return __virtio32_to_cpu(vrh->little_endian, val); +} + +static inline __virtio32 cpu_to_vringh32(const struct vringh *vrh, u32 val) +{ + return __cpu_to_virtio32(vrh->little_endian, val); +} + +static inline u64 vringh64_to_cpu(const struct vringh *vrh, __virtio64 val) +{ + return __virtio64_to_cpu(vrh->little_endian, val); +} + +static inline __virtio64 cpu_to_vringh64(const struct vringh *vrh, u64 val) +{ + return __cpu_to_virtio64(vrh->little_endian, val); +} #endif /* _LINUX_VRINGH_H */ diff --git a/include/target/target_core_backend.h b/include/target/target_core_backend.h index 9adc1bca1178..430cfaf92285 100644 --- a/include/target/target_core_backend.h +++ b/include/target/target_core_backend.h @@ -5,6 +5,15 @@ #define TRANSPORT_PLUGIN_VHBA_PDEV 2 #define TRANSPORT_PLUGIN_VHBA_VDEV 3 +struct target_backend_cits { + struct config_item_type tb_dev_cit; + struct config_item_type tb_dev_attrib_cit; + struct config_item_type tb_dev_pr_cit; + struct config_item_type tb_dev_wwn_cit; + struct config_item_type tb_dev_alua_tg_pt_gps_cit; + struct config_item_type tb_dev_stat_cit; +}; + struct se_subsystem_api { struct list_head sub_api_list; @@ -44,6 +53,8 @@ struct se_subsystem_api { int (*init_prot)(struct se_device *); int (*format_prot)(struct se_device *); void (*free_prot)(struct se_device *); + + struct target_backend_cits tb_cits; }; struct sbc_ops { @@ -96,4 +107,36 @@ sense_reason_t transport_generic_map_mem_to_cmd(struct se_cmd *, void array_free(void *array, int n); +/* From target_core_configfs.c to setup default backend config_item_types */ +void target_core_setup_sub_cits(struct se_subsystem_api *); + +/* attribute helpers from target_core_device.c for backend drivers */ +int se_dev_set_max_unmap_lba_count(struct se_device *, u32); +int se_dev_set_max_unmap_block_desc_count(struct se_device *, u32); +int se_dev_set_unmap_granularity(struct se_device *, u32); +int se_dev_set_unmap_granularity_alignment(struct se_device *, u32); +int se_dev_set_max_write_same_len(struct se_device *, u32); +int se_dev_set_emulate_model_alias(struct se_device *, int); +int se_dev_set_emulate_dpo(struct se_device *, int); +int se_dev_set_emulate_fua_write(struct se_device *, int); +int se_dev_set_emulate_fua_read(struct se_device *, int); +int se_dev_set_emulate_write_cache(struct se_device *, int); +int se_dev_set_emulate_ua_intlck_ctrl(struct se_device *, int); +int se_dev_set_emulate_tas(struct se_device *, int); +int se_dev_set_emulate_tpu(struct se_device *, int); +int se_dev_set_emulate_tpws(struct se_device *, int); +int se_dev_set_emulate_caw(struct se_device *, int); +int se_dev_set_emulate_3pc(struct se_device *, int); +int se_dev_set_pi_prot_type(struct se_device *, int); +int se_dev_set_pi_prot_format(struct se_device *, int); +int se_dev_set_enforce_pr_isids(struct se_device *, int); +int se_dev_set_force_pr_aptpl(struct se_device *, int); +int se_dev_set_is_nonrot(struct se_device *, int); +int se_dev_set_emulate_rest_reord(struct se_device *dev, int); +int se_dev_set_queue_depth(struct se_device *, u32); +int se_dev_set_max_sectors(struct se_device *, u32); +int se_dev_set_fabric_max_sectors(struct se_device *, u32); +int se_dev_set_optimal_sectors(struct se_device *, u32); +int se_dev_set_block_size(struct se_device *, u32); + #endif /* TARGET_CORE_BACKEND_H */ diff --git a/include/target/target_core_backend_configfs.h b/include/target/target_core_backend_configfs.h new file mode 100644 index 000000000000..3247d7530107 --- /dev/null +++ b/include/target/target_core_backend_configfs.h @@ -0,0 +1,120 @@ +#ifndef TARGET_CORE_BACKEND_CONFIGFS_H +#define TARGET_CORE_BACKEND_CONFIGFS_H + +#include <target/configfs_macros.h> + +#define DEF_TB_DEV_ATTRIB_SHOW(_backend, _name) \ +static ssize_t _backend##_dev_show_attr_##_name( \ + struct se_dev_attrib *da, \ + char *page) \ +{ \ + return snprintf(page, PAGE_SIZE, "%u\n", \ + (u32)da->da_dev->dev_attrib._name); \ +} + +#define DEF_TB_DEV_ATTRIB_STORE(_backend, _name) \ +static ssize_t _backend##_dev_store_attr_##_name( \ + struct se_dev_attrib *da, \ + const char *page, \ + size_t count) \ +{ \ + unsigned long val; \ + int ret; \ + \ + ret = kstrtoul(page, 0, &val); \ + if (ret < 0) { \ + pr_err("kstrtoul() failed with ret: %d\n", ret); \ + return -EINVAL; \ + } \ + ret = se_dev_set_##_name(da->da_dev, (u32)val); \ + \ + return (!ret) ? count : -EINVAL; \ +} + +#define DEF_TB_DEV_ATTRIB(_backend, _name) \ +DEF_TB_DEV_ATTRIB_SHOW(_backend, _name); \ +DEF_TB_DEV_ATTRIB_STORE(_backend, _name); + +#define DEF_TB_DEV_ATTRIB_RO(_backend, name) \ +DEF_TB_DEV_ATTRIB_SHOW(_backend, name); + +CONFIGFS_EATTR_STRUCT(target_backend_dev_attrib, se_dev_attrib); +#define TB_DEV_ATTR(_backend, _name, _mode) \ +static struct target_backend_dev_attrib_attribute _backend##_dev_attrib_##_name = \ + __CONFIGFS_EATTR(_name, _mode, \ + _backend##_dev_show_attr_##_name, \ + _backend##_dev_store_attr_##_name); + +#define TB_DEV_ATTR_RO(_backend, _name) \ +static struct target_backend_dev_attrib_attribute _backend##_dev_attrib_##_name = \ + __CONFIGFS_EATTR_RO(_name, \ + _backend##_dev_show_attr_##_name); + +/* + * Default list of target backend device attributes as defined by + * struct se_dev_attrib + */ + +#define DEF_TB_DEFAULT_ATTRIBS(_backend) \ + DEF_TB_DEV_ATTRIB(_backend, emulate_model_alias); \ + TB_DEV_ATTR(_backend, emulate_model_alias, S_IRUGO | S_IWUSR); \ + DEF_TB_DEV_ATTRIB(_backend, emulate_dpo); \ + TB_DEV_ATTR(_backend, emulate_dpo, S_IRUGO | S_IWUSR); \ + DEF_TB_DEV_ATTRIB(_backend, emulate_fua_write); \ + TB_DEV_ATTR(_backend, emulate_fua_write, S_IRUGO | S_IWUSR); \ + DEF_TB_DEV_ATTRIB(_backend, emulate_fua_read); \ + TB_DEV_ATTR(_backend, emulate_fua_read, S_IRUGO | S_IWUSR); \ + DEF_TB_DEV_ATTRIB(_backend, emulate_write_cache); \ + TB_DEV_ATTR(_backend, emulate_write_cache, S_IRUGO | S_IWUSR); \ + DEF_TB_DEV_ATTRIB(_backend, emulate_ua_intlck_ctrl); \ + TB_DEV_ATTR(_backend, emulate_ua_intlck_ctrl, S_IRUGO | S_IWUSR); \ + DEF_TB_DEV_ATTRIB(_backend, emulate_tas); \ + TB_DEV_ATTR(_backend, emulate_tas, S_IRUGO | S_IWUSR); \ + DEF_TB_DEV_ATTRIB(_backend, emulate_tpu); \ + TB_DEV_ATTR(_backend, emulate_tpu, S_IRUGO | S_IWUSR); \ + DEF_TB_DEV_ATTRIB(_backend, emulate_tpws); \ + TB_DEV_ATTR(_backend, emulate_tpws, S_IRUGO | S_IWUSR); \ + DEF_TB_DEV_ATTRIB(_backend, emulate_caw); \ + TB_DEV_ATTR(_backend, emulate_caw, S_IRUGO | S_IWUSR); \ + DEF_TB_DEV_ATTRIB(_backend, emulate_3pc); \ + TB_DEV_ATTR(_backend, emulate_3pc, S_IRUGO | S_IWUSR); \ + DEF_TB_DEV_ATTRIB(_backend, pi_prot_type); \ + TB_DEV_ATTR(_backend, pi_prot_type, S_IRUGO | S_IWUSR); \ + DEF_TB_DEV_ATTRIB_RO(_backend, hw_pi_prot_type); \ + TB_DEV_ATTR_RO(_backend, hw_pi_prot_type); \ + DEF_TB_DEV_ATTRIB(_backend, pi_prot_format); \ + TB_DEV_ATTR(_backend, pi_prot_format, S_IRUGO | S_IWUSR); \ + DEF_TB_DEV_ATTRIB(_backend, enforce_pr_isids); \ + TB_DEV_ATTR(_backend, enforce_pr_isids, S_IRUGO | S_IWUSR); \ + DEF_TB_DEV_ATTRIB(_backend, is_nonrot); \ + TB_DEV_ATTR(_backend, is_nonrot, S_IRUGO | S_IWUSR); \ + DEF_TB_DEV_ATTRIB(_backend, emulate_rest_reord); \ + TB_DEV_ATTR(_backend, emulate_rest_reord, S_IRUGO | S_IWUSR); \ + DEF_TB_DEV_ATTRIB(_backend, force_pr_aptpl); \ + TB_DEV_ATTR(_backend, force_pr_aptpl, S_IRUGO | S_IWUSR); \ + DEF_TB_DEV_ATTRIB_RO(_backend, hw_block_size); \ + TB_DEV_ATTR_RO(_backend, hw_block_size); \ + DEF_TB_DEV_ATTRIB(_backend, block_size); \ + TB_DEV_ATTR(_backend, block_size, S_IRUGO | S_IWUSR); \ + DEF_TB_DEV_ATTRIB_RO(_backend, hw_max_sectors); \ + TB_DEV_ATTR_RO(_backend, hw_max_sectors); \ + DEF_TB_DEV_ATTRIB(_backend, fabric_max_sectors); \ + TB_DEV_ATTR(_backend, fabric_max_sectors, S_IRUGO | S_IWUSR); \ + DEF_TB_DEV_ATTRIB(_backend, optimal_sectors); \ + TB_DEV_ATTR(_backend, optimal_sectors, S_IRUGO | S_IWUSR); \ + DEF_TB_DEV_ATTRIB_RO(_backend, hw_queue_depth); \ + TB_DEV_ATTR_RO(_backend, hw_queue_depth); \ + DEF_TB_DEV_ATTRIB(_backend, queue_depth); \ + TB_DEV_ATTR(_backend, queue_depth, S_IRUGO | S_IWUSR); \ + DEF_TB_DEV_ATTRIB(_backend, max_unmap_lba_count); \ + TB_DEV_ATTR(_backend, max_unmap_lba_count, S_IRUGO | S_IWUSR); \ + DEF_TB_DEV_ATTRIB(_backend, max_unmap_block_desc_count); \ + TB_DEV_ATTR(_backend, max_unmap_block_desc_count, S_IRUGO | S_IWUSR); \ + DEF_TB_DEV_ATTRIB(_backend, unmap_granularity); \ + TB_DEV_ATTR(_backend, unmap_granularity, S_IRUGO | S_IWUSR); \ + DEF_TB_DEV_ATTRIB(_backend, unmap_granularity_alignment); \ + TB_DEV_ATTR(_backend, unmap_granularity_alignment, S_IRUGO | S_IWUSR); \ + DEF_TB_DEV_ATTRIB(_backend, max_write_same_len); \ + TB_DEV_ATTR(_backend, max_write_same_len, S_IRUGO | S_IWUSR); + +#endif /* TARGET_CORE_BACKEND_CONFIGFS_H */ diff --git a/include/trace/events/module.h b/include/trace/events/module.h index 7c5cbfe3fc49..81c4c183d348 100644 --- a/include/trace/events/module.h +++ b/include/trace/events/module.h @@ -80,7 +80,7 @@ DECLARE_EVENT_CLASS(module_refcnt, TP_fast_assign( __entry->ip = ip; - __entry->refcnt = __this_cpu_read(mod->refptr->incs) - __this_cpu_read(mod->refptr->decs); + __entry->refcnt = atomic_read(&mod->refcnt); __assign_str(name, mod->name); ), diff --git a/include/uapi/linux/audit.h b/include/uapi/linux/audit.h index 12e26683c706..d3475e1f15ec 100644 --- a/include/uapi/linux/audit.h +++ b/include/uapi/linux/audit.h @@ -371,7 +371,9 @@ enum { #define AUDIT_ARCH_PARISC (EM_PARISC) #define AUDIT_ARCH_PARISC64 (EM_PARISC|__AUDIT_ARCH_64BIT) #define AUDIT_ARCH_PPC (EM_PPC) +/* do not define AUDIT_ARCH_PPCLE since it is not supported by audit */ #define AUDIT_ARCH_PPC64 (EM_PPC64|__AUDIT_ARCH_64BIT) +#define AUDIT_ARCH_PPC64LE (EM_PPC64|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE) #define AUDIT_ARCH_S390 (EM_S390) #define AUDIT_ARCH_S390X (EM_S390|__AUDIT_ARCH_64BIT) #define AUDIT_ARCH_SH (EM_SH) diff --git a/include/uapi/linux/target_core_user.h b/include/uapi/linux/target_core_user.h index 7dcfbe6771b1..b483d1909d3e 100644 --- a/include/uapi/linux/target_core_user.h +++ b/include/uapi/linux/target_core_user.h @@ -6,10 +6,6 @@ #include <linux/types.h> #include <linux/uio.h> -#ifndef __packed -#define __packed __attribute__((packed)) -#endif - #define TCMU_VERSION "1.0" /* diff --git a/include/uapi/linux/virtio_pci.h b/include/uapi/linux/virtio_pci.h index e5ec1caab82a..35b552c7f330 100644 --- a/include/uapi/linux/virtio_pci.h +++ b/include/uapi/linux/virtio_pci.h @@ -41,6 +41,8 @@ #include <linux/virtio_config.h> +#ifndef VIRTIO_PCI_NO_LEGACY + /* A 32-bit r/o bitmask of the features supported by the host */ #define VIRTIO_PCI_HOST_FEATURES 0 @@ -67,16 +69,11 @@ * a read-and-acknowledge. */ #define VIRTIO_PCI_ISR 19 -/* The bit of the ISR which indicates a device configuration change. */ -#define VIRTIO_PCI_ISR_CONFIG 0x2 - /* MSI-X registers: only enabled if MSI-X is enabled. */ /* A 16-bit vector for configuration changes. */ #define VIRTIO_MSI_CONFIG_VECTOR 20 /* A 16-bit vector for selected queue notifications. */ #define VIRTIO_MSI_QUEUE_VECTOR 22 -/* Vector value used to disable MSI for queue */ -#define VIRTIO_MSI_NO_VECTOR 0xffff /* The remaining space is defined by each driver as the per-driver * configuration space */ @@ -94,4 +91,12 @@ /* The alignment to use between consumer and producer parts of vring. * x86 pagesize again. */ #define VIRTIO_PCI_VRING_ALIGN 4096 + +#endif /* VIRTIO_PCI_NO_LEGACY */ + +/* The bit of the ISR which indicates a device configuration change. */ +#define VIRTIO_PCI_ISR_CONFIG 0x2 +/* Vector value used to disable MSI for queue */ +#define VIRTIO_MSI_NO_VECTOR 0xffff + #endif |