diff options
| author | Tianyu Lan <Tianyu.Lan@microsoft.com> | 2021-10-25 08:21:09 -0400 |
|---|---|---|
| committer | Wei Liu <wei.liu@kernel.org> | 2021-10-28 11:22:23 +0000 |
| commit | d4dccf353db80e209f262e3973c834e6e48ba9a9 (patch) | |
| tree | 0cf40678937c1251255014bb7815106a99051f66 /drivers/net/hyperv | |
| parent | 810a521265023a1d5c6c081ea2d216bc63d422f5 (diff) | |
| download | linux-d4dccf353db80e209f262e3973c834e6e48ba9a9.tar.bz2 | |
Drivers: hv: vmbus: Mark vmbus ring buffer visible to host in Isolation VM
Mark vmbus ring buffer visible with set_memory_decrypted() when
establish gpadl handle.
Reviewed-by: Michael Kelley <mikelley@microsoft.com>
Signed-off-by: Tianyu Lan <Tianyu.Lan@microsoft.com>
Link: https://lore.kernel.org/r/20211025122116.264793-5-ltykernel@gmail.com
Signed-off-by: Wei Liu <wei.liu@kernel.org>
Diffstat (limited to 'drivers/net/hyperv')
| -rw-r--r-- | drivers/net/hyperv/hyperv_net.h | 5 | ||||
| -rw-r--r-- | drivers/net/hyperv/netvsc.c | 15 |
2 files changed, 10 insertions, 10 deletions
diff --git a/drivers/net/hyperv/hyperv_net.h b/drivers/net/hyperv/hyperv_net.h index bc48855dff10..315278a7cf88 100644 --- a/drivers/net/hyperv/hyperv_net.h +++ b/drivers/net/hyperv/hyperv_net.h @@ -1075,14 +1075,15 @@ struct netvsc_device { /* Receive buffer allocated by us but manages by NetVSP */ void *recv_buf; u32 recv_buf_size; /* allocated bytes */ - u32 recv_buf_gpadl_handle; + struct vmbus_gpadl recv_buf_gpadl_handle; u32 recv_section_cnt; u32 recv_section_size; u32 recv_completion_cnt; /* Send buffer allocated by us */ void *send_buf; - u32 send_buf_gpadl_handle; + u32 send_buf_size; + struct vmbus_gpadl send_buf_gpadl_handle; u32 send_section_cnt; u32 send_section_size; unsigned long *send_section_map; diff --git a/drivers/net/hyperv/netvsc.c b/drivers/net/hyperv/netvsc.c index 7bd935412853..396bc1c204e6 100644 --- a/drivers/net/hyperv/netvsc.c +++ b/drivers/net/hyperv/netvsc.c @@ -278,9 +278,9 @@ static void netvsc_teardown_recv_gpadl(struct hv_device *device, { int ret; - if (net_device->recv_buf_gpadl_handle) { + if (net_device->recv_buf_gpadl_handle.gpadl_handle) { ret = vmbus_teardown_gpadl(device->channel, - net_device->recv_buf_gpadl_handle); + &net_device->recv_buf_gpadl_handle); /* If we failed here, we might as well return and have a leak * rather than continue and a bugchk @@ -290,7 +290,6 @@ static void netvsc_teardown_recv_gpadl(struct hv_device *device, "unable to teardown receive buffer's gpadl\n"); return; } - net_device->recv_buf_gpadl_handle = 0; } } @@ -300,9 +299,9 @@ static void netvsc_teardown_send_gpadl(struct hv_device *device, { int ret; - if (net_device->send_buf_gpadl_handle) { + if (net_device->send_buf_gpadl_handle.gpadl_handle) { ret = vmbus_teardown_gpadl(device->channel, - net_device->send_buf_gpadl_handle); + &net_device->send_buf_gpadl_handle); /* If we failed here, we might as well return and have a leak * rather than continue and a bugchk @@ -312,7 +311,6 @@ static void netvsc_teardown_send_gpadl(struct hv_device *device, "unable to teardown send buffer's gpadl\n"); return; } - net_device->send_buf_gpadl_handle = 0; } } @@ -380,7 +378,7 @@ static int netvsc_init_buf(struct hv_device *device, memset(init_packet, 0, sizeof(struct nvsp_message)); init_packet->hdr.msg_type = NVSP_MSG1_TYPE_SEND_RECV_BUF; init_packet->msg.v1_msg.send_recv_buf. - gpadl_handle = net_device->recv_buf_gpadl_handle; + gpadl_handle = net_device->recv_buf_gpadl_handle.gpadl_handle; init_packet->msg.v1_msg. send_recv_buf.id = NETVSC_RECEIVE_BUFFER_ID; @@ -463,6 +461,7 @@ static int netvsc_init_buf(struct hv_device *device, ret = -ENOMEM; goto cleanup; } + net_device->send_buf_size = buf_size; /* Establish the gpadl handle for this buffer on this * channel. Note: This call uses the vmbus connection rather @@ -482,7 +481,7 @@ static int netvsc_init_buf(struct hv_device *device, memset(init_packet, 0, sizeof(struct nvsp_message)); init_packet->hdr.msg_type = NVSP_MSG1_TYPE_SEND_SEND_BUF; init_packet->msg.v1_msg.send_send_buf.gpadl_handle = - net_device->send_buf_gpadl_handle; + net_device->send_buf_gpadl_handle.gpadl_handle; init_packet->msg.v1_msg.send_send_buf.id = NETVSC_SEND_BUFFER_ID; trace_nvsp_send(ndev, init_packet); |