vendor: Update hyperkit to latest version

Signed-off-by: Magnus Skjegstad <magnus@skjegstad.com>

vendor/github.com/moby/hyperkit/README.md

@@ -38,7 +38,7 @@ via `brew` and using `opam` to install the appropriate libraries:
     $ brew install opam libev
     $ opam init
     $ eval `opam config env`
-    $ opam install uri qcow.0.8.1 mirage-block-unix.2.6.0 conf-libev logs fmt mirage-unix
+    $ opam install uri qcow.0.9.5 mirage-block-unix.2.7.0 conf-libev logs fmt mirage-unix
 
 Notes:
 

vendor/github.com/moby/hyperkit/go/hyperkit.go

@@ -51,6 +51,8 @@ const (
 	defaultCPUs   = 1
 	defaultMemory = 1024 // 1G
 
+	defaultVSockGuestCID = 3
+
 	jsonFile = "hyperkit.json"
 	pidFile  = "hyperkit.pid"
 )
@@ -79,6 +81,10 @@ type HyperKit struct {
 	ISOImage string `json:"iso"`
 	// VSock enables the virtio-socket device and exposes it on the host
 	VSock bool `json:"vsock"`
+	// VSockPorts is a list of guest VSock ports that should be exposed as sockets on the host
+	VSockPorts []int `json:"vsock_ports"`
+	// VSock guest CID
+	VSockGuestCID int `json:"vsock_guest_cid"`
 
 	// Kernel is the path to the kernel image to boot
 	Kernel string `json:"kernel"`
@@ -133,6 +139,8 @@ func New(hyperkit, vpnkitsock, statedir string) (*HyperKit, error) {
 	h.CPUs = defaultCPUs
 	h.Memory = defaultMemory
 
+	h.VSockGuestCID = defaultVSockGuestCID
+
 	h.Console = ConsoleStdio
 
 	return &h, nil
@@ -203,6 +211,9 @@ func (h *HyperKit) execute(cmdline string) error {
 	if h.VSock && h.StateDir == "" {
 		return fmt.Errorf("If virtio-sockets are enabled, StateDir must be specified")
 	}
+	if !h.VSock && len(h.VSockPorts) > 0 {
+		return fmt.Errorf("To forward vsock ports vsock must be enabled")
+	}
 	if _, err = os.Stat(h.Kernel); os.IsNotExist(err) {
 		return fmt.Errorf("Kernel %s does not exist", h.Kernel)
 	}
@@ -335,6 +346,17 @@ func CreateDiskImage(location string, sizeMB int) error {
 	return nil
 }
 
+func intArrayToString(i []int, sep string) string {
+	if len(i) == 0 {
+		return ""
+	}
+	s := make([]string, len(i))
+	for idx := range i {
+		s[idx] = strconv.Itoa(i[idx])
+	}
+	return strings.Join(s, sep)
+}
+
 func (h *HyperKit) buildArgs(cmdline string) {
 	a := []string{"-A", "-u"}
 	if h.StateDir != "" {
@@ -359,7 +381,11 @@ func (h *HyperKit) buildArgs(cmdline string) {
 		a = append(a, "-s", fmt.Sprintf("2:0,virtio-blk,%s", h.DiskImage))
 	}
 	if h.VSock {
-		a = append(a, "-s", fmt.Sprintf("3,virtio-sock,guest_cid=3,path=%s", h.StateDir))
+		l := fmt.Sprintf("3,virtio-sock,guest_cid=%d,path=%s", h.VSockGuestCID, h.StateDir)
+		if len(h.VSockPorts) > 0 {
+			l = fmt.Sprintf("%s,guest_forwards=%s", l, intArrayToString(h.VSockPorts, ";"))
+		}
+		a = append(a, "-s", l)
 	}
 	if h.ISOImage != "" {
 		a = append(a, "-s", fmt.Sprintf("4,ahci-cd,%s", h.ISOImage))

vendor/github.com/moby/hyperkit/src/include/xhyve/firmware/bootrom.h

@@ -3,6 +3,6 @@
 #include <stdint.h>
 #include <stdbool.h>
 
-void bootrom_init(const char *bootrom_path);
+int bootrom_init(const char *bootrom_path);
 uint64_t bootrom_load(void);
 bool bootrom_contains_gpa(uint64_t gpa);

vendor/github.com/moby/hyperkit/src/include/xhyve/firmware/fbsd.h

@@ -97,6 +97,6 @@ struct loader_callbacks {
 	const char * (*getenv)(void *arg, int num);
 };
 
-void fbsd_init(char *userboot_path, char *bootvolume_path, char *kernelenv,
+int fbsd_init(char *userboot_path, char *bootvolume_path, char *kernelenv,
 	char *cons);
 uint64_t fbsd_load(void);

vendor/github.com/moby/hyperkit/src/include/xhyve/firmware/kexec.h

@@ -82,5 +82,5 @@ struct zero_page {
 	uint8_t _7[276];
 } __attribute__((packed));
 
-void kexec_init(char *kernel_path, char *initrd_path, char *cmdline);
+int kexec_init(char *kernel_path, char *initrd_path, char *cmdline);
 uint64_t kexec(void);

vendor/github.com/moby/hyperkit/src/include/xhyve/firmware/multiboot.h

@@ -0,0 +1,4 @@
+#include <stdint.h>
+
+int multiboot_init(char *kernel_path, char *module_spec, char *cmdline);
+uint64_t multiboot(void);

vendor/github.com/moby/hyperkit/src/lib/pci_virtio_net_vpnkit.c

@@ -317,11 +317,6 @@ static int vpnkit_connect(int fd, const char uuid[36], struct vif_info *vif)
 			init_reply.magic[4]);
 		return -1;
 	}
-	if (init_reply.version != 1) {
-		fprintf(stderr, "virtio-net-vpnkit: bad init version %d\n",
-			init_reply.version);
-		return -1;
-	}
 
 	fprintf(stderr, "virtio-net-vpnkit: magic=%c%c%c%c%c version=%d commit=%*s\n",
 		init_reply.magic[0], init_reply.magic[1],