X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=examples%2Fvhost%2Fmain.h;h=9a2aca376739e22b4d47aca350d17cf51de0b7cd;hb=fbee9d328b85839b17e95bb612cf3ebe344561b3;hp=e973b77a20918273d7a48eb45ffc80e127c0573c;hpb=3031749c2df04a63cdcef186dcce3781e61436e8;p=dpdk.git diff --git a/examples/vhost/main.h b/examples/vhost/main.h index e973b77a20..9a2aca3767 100644 --- a/examples/vhost/main.h +++ b/examples/vhost/main.h @@ -1,7 +1,7 @@ /*- * BSD LICENSE * - * Copyright(c) 2010-2014 Intel Corporation. All rights reserved. + * Copyright(c) 2010-2017 Intel Corporation. All rights reserved. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -34,53 +34,88 @@ #ifndef _MAIN_H_ #define _MAIN_H_ -#ifdef RTE_EXEC_ENV_BAREMETAL -#define MAIN _main -#else -#define MAIN main -#endif +#include -//#define DEBUG - -#ifdef DEBUG -#define LOG_LEVEL RTE_LOG_DEBUG -#define LOG_DEBUG(log_type, fmt, args...) do { \ - RTE_LOG(DEBUG, log_type, fmt, ##args); \ -} while (0) -#else -#define LOG_LEVEL RTE_LOG_INFO -#define LOG_DEBUG(log_type, fmt, args...) do{} while(0) -#endif +#include /* Macros for printing using RTE_LOG */ -#define RTE_LOGTYPE_CONFIG RTE_LOGTYPE_USER1 -#define RTE_LOGTYPE_DATA RTE_LOGTYPE_USER2 -#define RTE_LOGTYPE_PORT RTE_LOGTYPE_USER3 +#define RTE_LOGTYPE_VHOST_CONFIG RTE_LOGTYPE_USER1 +#define RTE_LOGTYPE_VHOST_DATA RTE_LOGTYPE_USER2 +#define RTE_LOGTYPE_VHOST_PORT RTE_LOGTYPE_USER3 -/* - * Device linked list structure for data path. - */ -struct virtio_net_data_ll -{ - struct virtio_net *dev; /* Pointer to device created by configuration core. */ - struct virtio_net_data_ll *next; /* Pointer to next device in linked list. */ +enum {VIRTIO_RXQ, VIRTIO_TXQ, VIRTIO_QNUM}; + +#define MAX_PKT_BURST 32 /* Max burst size for RX/TX */ + +struct device_statistics { + uint64_t tx; + uint64_t tx_total; + rte_atomic64_t rx_atomic; + rte_atomic64_t rx_total_atomic; }; +struct vhost_queue { + struct rte_vhost_vring vr; + uint16_t last_avail_idx; + uint16_t last_used_idx; +}; + +struct vhost_dev { + /**< Number of memory regions for gpa to hpa translation. */ + uint32_t nregions_hpa; + /**< Device MAC address (Obtained on first TX packet). */ + struct ether_addr mac_address; + /**< RX VMDQ queue number. */ + uint16_t vmdq_rx_q; + /**< Vlan tag assigned to the pool */ + uint32_t vlan_tag; + /**< Data core that the device is added to. */ + uint16_t coreid; + /**< A device is set as ready if the MAC address has been set. */ + volatile uint8_t ready; + /**< Device is marked for removal from the data core. */ + volatile uint8_t remove; + + int vid; + uint64_t features; + size_t hdr_len; + uint16_t nr_vrings; + struct rte_vhost_memory *mem; + struct device_statistics stats; + TAILQ_ENTRY(vhost_dev) global_vdev_entry; + TAILQ_ENTRY(vhost_dev) lcore_vdev_entry; + +#define MAX_QUEUE_PAIRS 4 + struct vhost_queue queues[MAX_QUEUE_PAIRS * 2]; +} __rte_cache_aligned; + +TAILQ_HEAD(vhost_dev_tailq_list, vhost_dev); + + +#define REQUEST_DEV_REMOVAL 1 +#define ACK_DEV_REMOVAL 0 + /* * Structure containing data core specific information. */ -struct lcore_ll_info -{ - struct virtio_net_data_ll *ll_root_free; /* Pointer to head in free linked list. */ - struct virtio_net_data_ll *ll_root_used; /* Pointer to head of used linked list. */ - uint32_t device_num; /* Number of devices on lcore. */ - volatile uint8_t dev_removal_flag; /* Flag to synchronize device removal. */ -}; +struct lcore_info { + uint32_t device_num; + + /* Flag to synchronize device removal. */ + volatile uint8_t dev_removal_flag; -struct lcore_info -{ - struct lcore_ll_info *lcore_ll; /* Pointer to data core specific lcore_ll_info struct */ + struct vhost_dev_tailq_list vdev_list; }; -int MAIN(int argc, char **argv); +/* we implement non-extra virtio net features */ +#define VIRTIO_NET_FEATURES 0 + +void vs_vhost_net_setup(struct vhost_dev *dev); +void vs_vhost_net_remove(struct vhost_dev *dev); +uint16_t vs_enqueue_pkts(struct vhost_dev *dev, uint16_t queue_id, + struct rte_mbuf **pkts, uint32_t count); + +uint16_t vs_dequeue_pkts(struct vhost_dev *dev, uint16_t queue_id, + struct rte_mempool *mbuf_pool, + struct rte_mbuf **pkts, uint16_t count); #endif /* _MAIN_H_ */