Thread (26 messages) 26 messages, 3 authors, 2021-06-30

Re: [PATCH 06/17] mshv: SynIC port and connection hypercalls

From: Vineeth Pillai <hidden>
Date: 2021-06-29 16:21:31
Also in: linux-hyperv

On 6/29/2021 9:06 AM, Wei Liu wrote:
On Wed, Jun 02, 2021 at 05:20:51PM +0000, Vineeth Pillai wrote:
quoted
Hyper-V enables inter-partition communication through the port and
connection constructs. More details about ports and connections in
TLFS chapter 11.

Implement hypercalls related to ports and connections for enabling
inter-partiion communication.

Signed-off-by: Vineeth Pillai <redacted>
Vineeth, feel free to squash the following patch.
Thanks Wei, I will have this in the next iteration.

~Vineeth
quoted hunk ↗ jump to hunk
---8<---
quoted
From afb9ab422895364216acb4261399f6f5154eea17 Mon Sep 17 00:00:00 2001
From: Wei Liu <wei.liu@kernel.org>
Date: Tue, 29 Jun 2021 12:58:47 +0000
Subject: [PATCH] fixup! mshv: SynIC port and connection hypercalls

Signed-off-by: Wei Liu <wei.liu@kernel.org>
---
  drivers/hv/hv_call.c | 10 +++++-----
  1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/drivers/hv/hv_call.c b/drivers/hv/hv_call.c
index d5cdbe4e93da..30aefcbdda85 100644
--- a/drivers/hv/hv_call.c
+++ b/drivers/hv/hv_call.c
@@ -797,7 +797,7 @@ hv_call_create_port(u64 port_partition_id, union hv_port_id port_id,
  		if (status != HV_STATUS_INSUFFICIENT_MEMORY) {
  			pr_err("%s: %s\n",
  			       __func__, hv_status_to_string(status));
-			ret = -hv_status_to_errno(status);
+			ret = hv_status_to_errno(status);
  			break;
  		}
  		ret = hv_call_deposit_pages(NUMA_NO_NODE,
@@ -826,7 +826,7 @@ hv_call_delete_port(u64 port_partition_id, union hv_port_id port_id)
  
  	if (status != HV_STATUS_SUCCESS) {
  		pr_err("%s: %s\n", __func__, hv_status_to_string(status));
-		return -hv_status_to_errno(status);
+		return hv_status_to_errno(status);
  	}
  
  	return 0;
@@ -866,7 +866,7 @@ hv_call_connect_port(u64 port_partition_id, union hv_port_id port_id,
  		if (status != HV_STATUS_INSUFFICIENT_MEMORY) {
  			pr_err("%s: %s\n",
  			       __func__, hv_status_to_string(status));
-			ret = -hv_status_to_errno(status);
+			ret = hv_status_to_errno(status);
  			break;
  		}
  		ret = hv_call_deposit_pages(NUMA_NO_NODE,
@@ -896,7 +896,7 @@ hv_call_disconnect_port(u64 connection_partition_id,
  
  	if (status != HV_STATUS_SUCCESS) {
  		pr_err("%s: %s\n", __func__, hv_status_to_string(status));
-		return -hv_status_to_errno(status);
+		return hv_status_to_errno(status);
  	}
  
  	return 0;
@@ -918,7 +918,7 @@ hv_call_notify_port_ring_empty(u32 sint_index)
  
  	if (status != HV_STATUS_SUCCESS) {
  		pr_err("%s: %s\n", __func__, hv_status_to_string(status));
-		return -hv_status_to_errno(status);
+		return hv_status_to_errno(status);
  	}
  
  	return 0;
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