X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=lib%2Flibrte_eal%2Flinuxapp%2Feal%2Feal_pci_init.h;h=6a960d1bac01ca6001c07e7451e8936c71dc1285;hb=8d4b8c87f2e8377bf1124feee193bc26a8d7ca8a;hp=7104b1368aa83a6820f5059fab34b1e7bb3aee61;hpb=9b957f378abf597f1a32dd99dbc07706563898c1;p=dpdk.git diff --git a/lib/librte_eal/linuxapp/eal/eal_pci_init.h b/lib/librte_eal/linuxapp/eal/eal_pci_init.h index 7104b1368a..6a960d1bac 100644 --- a/lib/librte_eal/linuxapp/eal/eal_pci_init.h +++ b/lib/librte_eal/linuxapp/eal/eal_pci_init.h @@ -36,12 +36,22 @@ #include "eal_vfio.h" +/** IO resource type: */ +#define IORESOURCE_IO 0x00000100 +#define IORESOURCE_MEM 0x00000200 + /* * Helper function to map PCI resources right after hugepages in virtual memory */ extern void *pci_map_addr; void *pci_find_max_end_va(void); +/* parse one line of the "resource" sysfs file (note that the 'line' + * string is modified) + */ +int pci_parse_one_sysfs_resource(char *line, size_t len, uint64_t *phys_addr, + uint64_t *end_addr, uint64_t *flags); + int pci_uio_alloc_resource(struct rte_pci_device *dev, struct mapped_pci_resource **uio_res); void pci_uio_free_resource(struct rte_pci_device *dev, @@ -49,51 +59,37 @@ void pci_uio_free_resource(struct rte_pci_device *dev, int pci_uio_map_resource_by_index(struct rte_pci_device *dev, int res_idx, struct mapped_pci_resource *uio_res, int map_idx); +int pci_uio_read_config(const struct rte_intr_handle *intr_handle, + void *buf, size_t len, off_t offs); +int pci_uio_write_config(const struct rte_intr_handle *intr_handle, + const void *buf, size_t len, off_t offs); + +int pci_uio_ioport_map(struct rte_pci_device *dev, int bar, + struct rte_pci_ioport *p); +void pci_uio_ioport_read(struct rte_pci_ioport *p, + void *data, size_t len, off_t offset); +void pci_uio_ioport_write(struct rte_pci_ioport *p, + const void *data, size_t len, off_t offset); +int pci_uio_ioport_unmap(struct rte_pci_ioport *p); + #ifdef VFIO_PRESENT -#define VFIO_MAX_GROUPS 64 +/* access config space */ +int pci_vfio_read_config(const struct rte_intr_handle *intr_handle, + void *buf, size_t len, off_t offs); +int pci_vfio_write_config(const struct rte_intr_handle *intr_handle, + const void *buf, size_t len, off_t offs); -int pci_vfio_enable(void); -int pci_vfio_is_enabled(void); -int pci_vfio_mp_sync_setup(void); +int pci_vfio_ioport_map(struct rte_pci_device *dev, int bar, + struct rte_pci_ioport *p); +void pci_vfio_ioport_read(struct rte_pci_ioport *p, + void *data, size_t len, off_t offset); +void pci_vfio_ioport_write(struct rte_pci_ioport *p, + const void *data, size_t len, off_t offset); +int pci_vfio_ioport_unmap(struct rte_pci_ioport *p); /* map VFIO resource prototype */ int pci_vfio_map_resource(struct rte_pci_device *dev); -int pci_vfio_get_group_fd(int iommu_group_fd); -int pci_vfio_get_container_fd(void); - -/* - * Function prototypes for VFIO multiprocess sync functions - */ -int vfio_mp_sync_send_request(int socket, int req); -int vfio_mp_sync_receive_request(int socket); -int vfio_mp_sync_send_fd(int socket, int fd); -int vfio_mp_sync_receive_fd(int socket); -int vfio_mp_sync_connect_to_primary(void); - -/* socket comm protocol definitions */ -#define SOCKET_REQ_CONTAINER 0x100 -#define SOCKET_REQ_GROUP 0x200 -#define SOCKET_OK 0x0 -#define SOCKET_NO_FD 0x1 -#define SOCKET_ERR 0xFF - -/* - * we don't need to store device fd's anywhere since they can be obtained from - * the group fd via an ioctl() call. - */ -struct vfio_group { - int group_no; - int fd; -}; - -struct vfio_config { - int vfio_enabled; - int vfio_container_fd; - int vfio_container_has_dma; - int vfio_group_idx; - struct vfio_group vfio_groups[VFIO_MAX_GROUPS]; -}; #endif