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[PATCH RFC 07/14] migration/rdma: Export the 'qemu_rdma_registration_han
From: |
Zhimin Feng |
Subject: |
[PATCH RFC 07/14] migration/rdma: Export the 'qemu_rdma_registration_handle' and 'qemu_rdma_exchange_send' functions |
Date: |
Thu, 13 Feb 2020 17:37:48 +0800 |
Signed-off-by: Zhimin Feng <address@hidden>
---
migration/rdma.c | 25 +++++--------------------
migration/rdma.h | 16 ++++++++++++++++
2 files changed, 21 insertions(+), 20 deletions(-)
diff --git a/migration/rdma.c b/migration/rdma.c
index 2f1e69197f..23f7f525f4 100644
--- a/migration/rdma.c
+++ b/migration/rdma.c
@@ -170,17 +170,6 @@ static void network_to_dest_block(RDMADestBlock *db)
db->remote_rkey = ntohl(db->remote_rkey);
}
-/*
- * Main structure for IB Send/Recv control messages.
- * This gets prepended at the beginning of every Send/Recv.
- */
-typedef struct QEMU_PACKED {
- uint32_t len; /* Total length of data portion */
- uint32_t type; /* which control command to perform */
- uint32_t repeat; /* number of commands in data portion of same type */
- uint32_t padding;
-} RDMAControlHeader;
-
static void control_to_network(RDMAControlHeader *control)
{
control->type = htonl(control->type);
@@ -289,10 +278,6 @@ static void network_to_result(RDMARegisterResult *result)
};
const char *print_wrid(int wrid);
-static int qemu_rdma_exchange_send(RDMAContext *rdma, RDMAControlHeader *head,
- uint8_t *data, RDMAControlHeader *resp,
- int *resp_idx,
- int (*callback)(RDMAContext *rdma));
static inline uint64_t ram_chunk_index(const uint8_t *start,
const uint8_t *host)
@@ -1590,10 +1575,10 @@ static void qemu_rdma_move_header(RDMAContext *rdma,
int idx,
* to perform an *additional* exchange of message just to provide a response by
* instead piggy-backing on the acknowledgement.
*/
-static int qemu_rdma_exchange_send(RDMAContext *rdma, RDMAControlHeader *head,
- uint8_t *data, RDMAControlHeader *resp,
- int *resp_idx,
- int (*callback)(RDMAContext *rdma))
+int qemu_rdma_exchange_send(RDMAContext *rdma, RDMAControlHeader *head,
+ uint8_t *data, RDMAControlHeader *resp,
+ int *resp_idx,
+ int (*callback)(RDMAContext *rdma))
{
int ret = 0;
@@ -3210,7 +3195,7 @@ static int dest_ram_sort_func(const void *a, const void
*b)
*
* Keep doing this until the source tells us to stop.
*/
-static int qemu_rdma_registration_handle(QEMUFile *f, void *opaque)
+int qemu_rdma_registration_handle(QEMUFile *f, void *opaque)
{
RDMAControlHeader reg_resp = { .len = sizeof(RDMARegisterResult),
.type = RDMA_CONTROL_REGISTER_RESULT,
diff --git a/migration/rdma.h b/migration/rdma.h
index ace6e5be90..8e1a6edf57 100644
--- a/migration/rdma.h
+++ b/migration/rdma.h
@@ -144,6 +144,17 @@ typedef struct QEMU_PACKED RDMADestBlock {
uint32_t padding;
} RDMADestBlock;
+/*
+ * Main structure for IB Send/Recv control messages.
+ * This gets prepended at the beginning of every Send/Recv.
+ */
+typedef struct QEMU_PACKED {
+ uint32_t len; /* Total length of data portion */
+ uint32_t type; /* which control command to perform */
+ uint32_t repeat; /* number of commands in data portion of same type */
+ uint32_t padding;
+} RDMAControlHeader;
+
/*
* Virtual address of the above structures used for transmitting
* the RAMBlock descriptions at connection-time.
@@ -264,6 +275,11 @@ struct QIOChannelRDMA {
};
int multifd_channel_rdma_connect(void *opaque);
+int qemu_rdma_registration_handle(QEMUFile *f, void *opaque);
+int qemu_rdma_exchange_send(RDMAContext *rdma, RDMAControlHeader *head,
+ uint8_t *data, RDMAControlHeader *resp,
+ int *resp_idx,
+ int (*callback)(RDMAContext *rdma));
void rdma_start_outgoing_migration(void *opaque, const char *host_port,
Error **errp);
--
2.19.1
- [PATCH RFC 02/14] migration: judge whether or not the RDMA is used for migration, (continued)
- [PATCH RFC 02/14] migration: judge whether or not the RDMA is used for migration, Zhimin Feng, 2020/02/13
- [PATCH RFC 03/14] migration/rdma: Create multiFd migration threads, Zhimin Feng, 2020/02/13
- [PATCH RFC 11/14] migration/rdma: use multifd to migrate VM for rdma-pin-all mode, Zhimin Feng, 2020/02/13
- [PATCH RFC 10/14] migration/rdma: Wait for all multifd to complete registration, Zhimin Feng, 2020/02/13
- [PATCH RFC 12/14] migration/rdma: use multifd to migrate VM for NOT rdma-pin-all mode, Zhimin Feng, 2020/02/13
- [PATCH RFC 06/14] migration/rdma: Transmit initial packet, Zhimin Feng, 2020/02/13
- [PATCH RFC 07/14] migration/rdma: Export the 'qemu_rdma_registration_handle' and 'qemu_rdma_exchange_send' functions,
Zhimin Feng <=
- [PATCH RFC 05/14] migration/rdma: Create the multifd channels for RDMA, Zhimin Feng, 2020/02/13
- [PATCH RFC 04/14] migration/rdma: Export the RDMAContext struct, Zhimin Feng, 2020/02/13
- [PATCH RFC 09/14] migration/rdma: register memory for multifd RDMA channels, Zhimin Feng, 2020/02/13
- [PATCH RFC 08/14] migration/rdma: Add the function for dynamic page registration, Zhimin Feng, 2020/02/13
- [PATCH RFC 13/14] migration/rdma: only register the memory for multifd channels, Zhimin Feng, 2020/02/13
- [PATCH RFC 14/14] migration/rdma: RDMA cleanup for multifd migration, Zhimin Feng, 2020/02/13
- Re: [PATCH RFC 00/14] *** multifd for RDMA v2 ***, no-reply, 2020/02/13