#define VHOST_LOG_CACHE_NR 32
+#define PACKED_DESC_ENQUEUE_USED_FLAG(w) \
+ ((w) ? (VRING_DESC_F_AVAIL | VRING_DESC_F_USED | VRING_DESC_F_WRITE) : \
+ VRING_DESC_F_WRITE)
+#define PACKED_DESC_DEQUEUE_USED_FLAG(w) \
+ ((w) ? (VRING_DESC_F_AVAIL | VRING_DESC_F_USED) : 0x0)
+#define PACKED_DESC_SINGLE_DEQUEUE_FLAG (VRING_DESC_F_NEXT | \
+ VRING_DESC_F_INDIRECT)
+
+#define PACKED_BATCH_SIZE (RTE_CACHE_LINE_SIZE / \
+ sizeof(struct vring_packed_desc))
+#define PACKED_BATCH_MASK (PACKED_BATCH_SIZE - 1)
+
+#ifdef VHOST_GCC_UNROLL_PRAGMA
+#define vhost_for_each_try_unroll(iter, val, size) _Pragma("GCC unroll 4") \
+ for (iter = val; iter < size; iter++)
+#endif
+
+#ifdef VHOST_CLANG_UNROLL_PRAGMA
+#define vhost_for_each_try_unroll(iter, val, size) _Pragma("unroll 4") \
+ for (iter = val; iter < size; iter++)
+#endif
+
+#ifdef VHOST_ICC_UNROLL_PRAGMA
+#define vhost_for_each_try_unroll(iter, val, size) _Pragma("unroll (4)") \
+ for (iter = val; iter < size; iter++)
+#endif
+
+#ifndef vhost_for_each_try_unroll
+#define vhost_for_each_try_unroll(iter, val, num) \
+ for (iter = val; iter < num; iter++)
+#endif
+
/**
* Structure contains buffer address, length and descriptor index
* from vring to do scatter RX.
struct vring_used_elem_packed {
uint16_t id;
+ uint16_t flags;
uint32_t len;
uint32_t count;
};
/* Physical address of used ring, for logging */
uint64_t log_guest_addr;
+ /* inflight share memory info */
+ union {
+ struct rte_vhost_inflight_info_split *inflight_split;
+ struct rte_vhost_inflight_info_packed *inflight_packed;
+ };
+ struct rte_vhost_resubmit_info *resubmit_inflight;
+ uint64_t global_counter;
+
uint16_t nr_zmbuf;
uint16_t zmbuf_size;
uint16_t last_zmbuf_idx;
struct vring_used_elem_packed *shadow_used_packed;
};
uint16_t shadow_used_idx;
+ /* Record packed ring enqueue latest desc cache aligned index */
+ uint16_t shadow_aligned_idx;
+ /* Record packed ring first dequeue desc index */
+ uint16_t shadow_last_used_idx;
struct vhost_vring_addr ring_addrs;
struct batch_copy_elem *batch_copy_elems;
uint64_t size;
};
+struct inflight_mem_info {
+ int fd;
+ void *addr;
+ uint64_t size;
+};
+
/**
* Device structure contains all configuration information relating
* to the device.
rte_atomic16_t broadcast_rarp;
uint32_t nr_vring;
int dequeue_zero_copy;
+ int extbuf;
+ int linearbuf;
struct vhost_virtqueue *virtqueue[VHOST_MAX_QUEUE_PAIRS * 2];
+ struct inflight_mem_info *inflight_info;
#define IF_NAME_SZ (PATH_MAX > IFNAMSIZ ? PATH_MAX : IFNAMSIZ)
char ifname[IF_NAME_SZ];
uint64_t log_size;
wrap_counter != !!(flags & VRING_DESC_F_USED);
}
+static inline void
+vq_inc_last_used_packed(struct vhost_virtqueue *vq, uint16_t num)
+{
+ vq->last_used_idx += num;
+ if (vq->last_used_idx >= vq->size) {
+ vq->used_wrap_counter ^= 1;
+ vq->last_used_idx -= vq->size;
+ }
+}
+
+static inline void
+vq_inc_last_avail_packed(struct vhost_virtqueue *vq, uint16_t num)
+{
+ vq->last_avail_idx += num;
+ if (vq->last_avail_idx >= vq->size) {
+ vq->avail_wrap_counter ^= 1;
+ vq->last_avail_idx -= vq->size;
+ }
+}
+
void __vhost_log_cache_write(struct virtio_net *dev,
struct vhost_virtqueue *vq,
uint64_t addr, uint64_t len);
__vhost_log_write(dev, iova, len);
}
-/* Macros for printing using RTE_LOG */
-#define RTE_LOGTYPE_VHOST_CONFIG RTE_LOGTYPE_USER1
-#define RTE_LOGTYPE_VHOST_DATA RTE_LOGTYPE_USER1
+extern int vhost_config_log_level;
+extern int vhost_data_log_level;
+
+#define VHOST_LOG_CONFIG(level, fmt, args...) \
+ rte_log(RTE_LOG_ ## level, vhost_config_log_level, \
+ "VHOST_CONFIG: " fmt, ##args)
+
+#define VHOST_LOG_DATA(level, fmt, args...) \
+ (void)((RTE_LOG_ ## level <= RTE_LOG_DP_LEVEL) ? \
+ rte_log(RTE_LOG_ ## level, vhost_data_log_level, \
+ "VHOST_DATA : " fmt, ##args) : \
+ 0)
#ifdef RTE_LIBRTE_VHOST_DEBUG
#define VHOST_MAX_PRINT_BUFF 6072
-#define VHOST_LOG_DEBUG(log_type, fmt, args...) \
- RTE_LOG(DEBUG, log_type, fmt, ##args)
#define PRINT_PACKET(device, addr, size, header) do { \
char *pkt_addr = (char *)(addr); \
unsigned int index; \
} \
snprintf(packet + strnlen(packet, VHOST_MAX_PRINT_BUFF), VHOST_MAX_PRINT_BUFF - strnlen(packet, VHOST_MAX_PRINT_BUFF), "\n"); \
\
- VHOST_LOG_DEBUG(VHOST_DATA, "%s", packet); \
+ VHOST_LOG_DATA(DEBUG, "%s", packet); \
} while (0)
#else
-#define VHOST_LOG_DEBUG(log_type, fmt, args...) do {} while (0)
#define PRINT_PACKET(device, addr, size, header) do {} while (0)
#endif
struct virtio_net *dev = vhost_devices[vid];
if (unlikely(!dev)) {
- RTE_LOG(ERR, VHOST_CONFIG,
+ VHOST_LOG_CONFIG(ERR,
"(%d) device not found.\n", vid);
}
void vhost_destroy_device_notify(struct virtio_net *dev);
void cleanup_vq(struct vhost_virtqueue *vq, int destroy);
+void cleanup_vq_inflight(struct virtio_net *dev, struct vhost_virtqueue *vq);
void free_vq(struct virtio_net *dev, struct vhost_virtqueue *vq);
int alloc_vring_queue(struct virtio_net *dev, uint32_t vring_idx);
void vhost_set_ifname(int, const char *if_name, unsigned int if_len);
void vhost_enable_dequeue_zero_copy(int vid);
void vhost_set_builtin_virtio_net(int vid, bool enable);
+void vhost_enable_extbuf(int vid);
+void vhost_enable_linearbuf(int vid);
struct vhost_device_ops const *vhost_driver_callback_get(const char *path);
vq->signalled_used = new;
vq->signalled_used_valid = true;
- VHOST_LOG_DEBUG(VHOST_DATA, "%s: used_event_idx=%d, old=%d, new=%d\n",
+ VHOST_LOG_DATA(DEBUG, "%s: used_event_idx=%d, old=%d, new=%d\n",
__func__,
vhost_used_event(vq),
old, new);
git.droids-corp.org / dpdk.git / blobdiff