Check whether the driver is compatible with the device presented.

index 2dc4507acb..89f9654a72 100644
@@ -8,9 +8,6 @@
 
 #include "gve_desc.h"
 
-#define GVE_VERSION		"1.3.0"
-#define GVE_VERSION_PREFIX	"GVE-"
-
 #ifndef GOOGLE_VENDOR_ID
 #define GOOGLE_VENDOR_ID	0x1ae0
 #endif

index e745b709b2..2e5099a5b0 100644
@@ -401,6 +401,9 @@ static int gve_adminq_issue_cmd(struct gve_priv *priv,
 	case GVE_ADMINQ_GET_PTYPE_MAP:
 		priv->adminq_get_ptype_map_cnt++;
 		break;
+	case GVE_ADMINQ_VERIFY_DRIVER_COMPATIBILITY:
+		priv->adminq_verify_driver_compatibility_cnt++;
+		break;
 	default:
 		PMD_DRV_LOG(ERR, "unknown AQ command opcode %d", opcode);
 	}

@@ -465,6 +468,22 @@ int gve_adminq_configure_device_resources(struct gve_priv *priv,
 	return gve_adminq_execute_cmd(priv, &cmd);
 }
 
+int gve_adminq_verify_driver_compatibility(struct gve_priv *priv,
+					   u64 driver_info_len,
+					   dma_addr_t driver_info_addr)
+{
+	union gve_adminq_command cmd;
+
+	memset(&cmd, 0, sizeof(cmd));
+	cmd.opcode = cpu_to_be32(GVE_ADMINQ_VERIFY_DRIVER_COMPATIBILITY);
+	cmd.verify_driver_compatibility = (struct gve_adminq_verify_driver_compatibility) {
+		.driver_info_len = cpu_to_be64(driver_info_len),
+		.driver_info_addr = cpu_to_be64(driver_info_addr),
+	};
+
+	return gve_adminq_execute_cmd(priv, &cmd);
+}
+
 int gve_adminq_deconfigure_device_resources(struct gve_priv *priv)
 {
 	union gve_adminq_command cmd;

76 lines not on this page · raw message

index 7cb73002f4..a5efa8543e 100644
@@ -21,9 +21,14 @@
 #include <rte_malloc.h>
 #include <rte_memcpy.h>
 #include <rte_memzone.h>
+#include <rte_version.h>
 
 #include "../gve_logs.h"
 
+#ifdef __linux__
+#include <sys/utsname.h>
+#endif
+
 typedef uint8_t u8;
 typedef uint16_t u16;
 typedef uint32_t u32;

@@ -69,6 +74,12 @@ typedef rte_iova_t dma_addr_t;
 
 #define msleep(ms)		rte_delay_ms(ms)
 
+#define OS_VERSION_STRLEN 128
+struct os_version_string {
+	char os_version_str1[OS_VERSION_STRLEN];
+	char os_version_str2[OS_VERSION_STRLEN];
+};
+
 /* These macros are used to generate compilation errors if a struct/union
  * is not exactly the correct length. It gives a divide by zero error if
  * the struct/union is not of the correct size, otherwise it creates an

@@ -79,6 +90,12 @@ typedef rte_iova_t dma_addr_t;
 #define GVE_CHECK_UNION_LEN(n, X) enum gve_static_asset_enum_##X \
 	{ gve_static_assert_##X = (n) / ((sizeof(union X) == (n)) ? 1 : 0) }
 
+#ifndef LINUX_VERSION_MAJOR
+#define LINUX_VERSION_MAJOR (((LINUX_VERSION_CODE) >> 16) & 0xff)
+#define LINUX_VERSION_SUBLEVEL (((LINUX_VERSION_CODE) >> 8) & 0xff)
+#define LINUX_VERSION_PATCHLEVEL ((LINUX_VERSION_CODE) & 0xff)
+#endif
+
 static __rte_always_inline u8
 readb(volatile void *addr)
 {

@@ -156,4 +173,23 @@ gve_free_dma_mem(struct gve_dma_mem *mem)
 	mem->pa = 0;
 }
 
+static inline void
+populate_driver_version_strings(struct os_version_string *os_version_str)
+{
+#ifdef __linux__
+	struct utsname uts;
+	if (uname(&uts) >= 0) {
+		/* release */
+		rte_strscpy(os_version_str->os_version_str1, uts.release,
+			sizeof(os_version_str->os_version_str1));
+		/* version */
+		rte_strscpy(os_version_str->os_version_str2, uts.version,
+			sizeof(os_version_str->os_version_str2));
+	}
+#else
+	/* gVNIC is currently not supported on OS like FreeBSD */
+	RTE_SET_USED(os_version_str);
+#endif
+}
+
 #endif /* _GVE_OSDEP_H_ */

87 lines not on this page · raw message

index 42a02cf5d4..23ccff37d3 100644
@@ -222,7 +222,7 @@ struct gve_priv {
 	uint32_t adminq_report_stats_cnt;
 	uint32_t adminq_report_link_speed_cnt;
 	uint32_t adminq_get_ptype_map_cnt;
-
+	uint32_t adminq_verify_driver_compatibility_cnt;
 	volatile uint32_t state_flags;
 
 	/* Gvnic device link speed from hypervisor. */

new file mode 100644
index 0000000000..7eaa689d90
@@ -0,0 +1,14 @@
+/* SPDX-License-Identifier: MIT
+ * Google Virtual Ethernet (gve) driver
+ * Copyright (C) 2015-2023 Google, Inc.
+ */
+#include "gve_version.h"
+
+const char *gve_version_string(void)
+{
+	static char gve_version[10];
+	snprintf(gve_version, sizeof(gve_version), "%s%d.%d.%d",
+		GVE_VERSION_PREFIX, GVE_VERSION_MAJOR, GVE_VERSION_MINOR,
+		GVE_VERSION_SUB);
+	return gve_version;
+}

new file mode 100644
index 0000000000..9af6a00568
@@ -0,0 +1,25 @@
+/* SPDX-License-Identifier: MIT
+ * Google Virtual Ethernet (gve) driver
+ * Copyright (C) 2015-2023 Google, Inc.
+ */
+
+#ifndef _GVE_VERSION_H_
+#define _GVE_VERSION_H_
+
+#include <rte_version.h>
+
+#define GVE_VERSION_PREFIX "DPDK-"
+#define GVE_VERSION_MAJOR 1
+#define GVE_VERSION_MINOR 0
+#define GVE_VERSION_SUB 0
+
+#define DPDK_VERSION_MAJOR (100 * RTE_VER_YEAR + RTE_VER_MONTH)
+#define DPDK_VERSION_MINOR RTE_VER_MINOR
+#define DPDK_VERSION_SUB RTE_VER_RELEASE
+
+
+const char *
+gve_version_string(void);
+
+
+#endif /* GVE_VERSION_H */