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-rw-r--r--hw/usb/dev-mtp.c177
1 files changed, 177 insertions, 0 deletions
diff --git a/hw/usb/dev-mtp.c b/hw/usb/dev-mtp.c
index 869d244530..58d95fffb2 100644
--- a/hw/usb/dev-mtp.c
+++ b/hw/usb/dev-mtp.c
@@ -48,6 +48,9 @@ enum mtp_code {
CMD_GET_OBJECT_INFO = 0x1008,
CMD_GET_OBJECT = 0x1009,
CMD_GET_PARTIAL_OBJECT = 0x101b,
+ CMD_GET_OBJECT_PROPS_SUPPORTED = 0x9801,
+ CMD_GET_OBJECT_PROP_DESC = 0x9802,
+ CMD_GET_OBJECT_PROP_VALUE = 0x9803,
/* response codes */
RES_OK = 0x2001,
@@ -59,10 +62,12 @@ enum mtp_code {
RES_INCOMPLETE_TRANSFER = 0x2007,
RES_INVALID_STORAGE_ID = 0x2008,
RES_INVALID_OBJECT_HANDLE = 0x2009,
+ RES_INVALID_OBJECT_FORMAT_CODE = 0x200b,
RES_SPEC_BY_FORMAT_UNSUPPORTED = 0x2014,
RES_INVALID_PARENT_OBJECT = 0x201a,
RES_INVALID_PARAMETER = 0x201d,
RES_SESSION_ALREADY_OPEN = 0x201e,
+ RES_INVALID_OBJECT_PROP_CODE = 0xA801,
/* format codes */
FMT_UNDEFINED_OBJECT = 0x3000,
@@ -72,6 +77,22 @@ enum mtp_code {
EVT_OBJ_ADDED = 0x4002,
EVT_OBJ_REMOVED = 0x4003,
EVT_OBJ_INFO_CHANGED = 0x4007,
+
+ /* object properties */
+ PROP_STORAGE_ID = 0xDC01,
+ PROP_OBJECT_FORMAT = 0xDC02,
+ PROP_OBJECT_COMPRESSED_SIZE = 0xDC04,
+ PROP_PARENT_OBJECT = 0xDC0B,
+ PROP_PERSISTENT_UNIQUE_OBJECT_IDENTIFIER = 0xDC41,
+ PROP_NAME = 0xDC44,
+};
+
+enum mtp_data_type {
+ DATA_TYPE_UINT16 = 0x0004,
+ DATA_TYPE_UINT32 = 0x0006,
+ DATA_TYPE_UINT64 = 0x0008,
+ DATA_TYPE_UINT128 = 0x000a,
+ DATA_TYPE_STRING = 0xffff,
};
typedef struct {
@@ -778,6 +799,9 @@ static MTPData *usb_mtp_get_device_info(MTPState *s, MTPControl *c)
CMD_GET_OBJECT_INFO,
CMD_GET_OBJECT,
CMD_GET_PARTIAL_OBJECT,
+ CMD_GET_OBJECT_PROPS_SUPPORTED,
+ CMD_GET_OBJECT_PROP_DESC,
+ CMD_GET_OBJECT_PROP_VALUE,
};
static const uint16_t fmt[] = {
FMT_UNDEFINED_OBJECT,
@@ -971,6 +995,122 @@ static MTPData *usb_mtp_get_partial_object(MTPState *s, MTPControl *c,
return d;
}
+static MTPData *usb_mtp_get_object_props_supported(MTPState *s, MTPControl *c)
+{
+ static const uint16_t props[] = {
+ PROP_STORAGE_ID,
+ PROP_OBJECT_FORMAT,
+ PROP_OBJECT_COMPRESSED_SIZE,
+ PROP_PARENT_OBJECT,
+ PROP_PERSISTENT_UNIQUE_OBJECT_IDENTIFIER,
+ PROP_NAME,
+ };
+ MTPData *d = usb_mtp_data_alloc(c);
+ usb_mtp_add_u16_array(d, ARRAY_SIZE(props), props);
+
+ return d;
+}
+
+static MTPData *usb_mtp_get_object_prop_desc(MTPState *s, MTPControl *c)
+{
+ MTPData *d = usb_mtp_data_alloc(c);
+ switch (c->argv[0]) {
+ case PROP_STORAGE_ID:
+ usb_mtp_add_u16(d, PROP_STORAGE_ID);
+ usb_mtp_add_u16(d, DATA_TYPE_UINT32);
+ usb_mtp_add_u8(d, 0x00);
+ usb_mtp_add_u32(d, 0x00000000);
+ usb_mtp_add_u32(d, 0x00000000);
+ usb_mtp_add_u8(d, 0x00);
+ break;
+ case PROP_OBJECT_FORMAT:
+ usb_mtp_add_u16(d, PROP_OBJECT_FORMAT);
+ usb_mtp_add_u16(d, DATA_TYPE_UINT16);
+ usb_mtp_add_u8(d, 0x00);
+ usb_mtp_add_u16(d, 0x0000);
+ usb_mtp_add_u32(d, 0x00000000);
+ usb_mtp_add_u8(d, 0x00);
+ break;
+ case PROP_OBJECT_COMPRESSED_SIZE:
+ usb_mtp_add_u16(d, PROP_OBJECT_COMPRESSED_SIZE);
+ usb_mtp_add_u16(d, DATA_TYPE_UINT64);
+ usb_mtp_add_u8(d, 0x00);
+ usb_mtp_add_u64(d, 0x0000000000000000);
+ usb_mtp_add_u32(d, 0x00000000);
+ usb_mtp_add_u8(d, 0x00);
+ break;
+ case PROP_PARENT_OBJECT:
+ usb_mtp_add_u16(d, PROP_PARENT_OBJECT);
+ usb_mtp_add_u16(d, DATA_TYPE_UINT32);
+ usb_mtp_add_u8(d, 0x00);
+ usb_mtp_add_u32(d, 0x00000000);
+ usb_mtp_add_u32(d, 0x00000000);
+ usb_mtp_add_u8(d, 0x00);
+ break;
+ case PROP_PERSISTENT_UNIQUE_OBJECT_IDENTIFIER:
+ usb_mtp_add_u16(d, PROP_PERSISTENT_UNIQUE_OBJECT_IDENTIFIER);
+ usb_mtp_add_u16(d, DATA_TYPE_UINT128);
+ usb_mtp_add_u8(d, 0x00);
+ usb_mtp_add_u64(d, 0x0000000000000000);
+ usb_mtp_add_u64(d, 0x0000000000000000);
+ usb_mtp_add_u32(d, 0x00000000);
+ usb_mtp_add_u8(d, 0x00);
+ break;
+ case PROP_NAME:
+ usb_mtp_add_u16(d, PROP_NAME);
+ usb_mtp_add_u16(d, DATA_TYPE_STRING);
+ usb_mtp_add_u8(d, 0x00);
+ usb_mtp_add_u8(d, 0x00);
+ usb_mtp_add_u32(d, 0x00000000);
+ usb_mtp_add_u8(d, 0x00);
+ break;
+ default:
+ usb_mtp_data_free(d);
+ return NULL;
+ }
+
+ return d;
+}
+
+static MTPData *usb_mtp_get_object_prop_value(MTPState *s, MTPControl *c,
+ MTPObject *o)
+{
+ MTPData *d = usb_mtp_data_alloc(c);
+ switch (c->argv[1]) {
+ case PROP_STORAGE_ID:
+ usb_mtp_add_u32(d, QEMU_STORAGE_ID);
+ break;
+ case PROP_OBJECT_FORMAT:
+ usb_mtp_add_u16(d, o->format);
+ break;
+ case PROP_OBJECT_COMPRESSED_SIZE:
+ usb_mtp_add_u64(d, o->stat.st_size);
+ break;
+ case PROP_PARENT_OBJECT:
+ if (o->parent == NULL) {
+ usb_mtp_add_u32(d, 0x00000000);
+ } else {
+ usb_mtp_add_u32(d, o->parent->handle);
+ }
+ break;
+ case PROP_PERSISTENT_UNIQUE_OBJECT_IDENTIFIER:
+ /* Should be persistant between sessions,
+ * but using our objedt ID is "good enough"
+ * for now */
+ usb_mtp_add_u64(d, 0x0000000000000000);
+ usb_mtp_add_u64(d, o->handle);
+ break;
+ case PROP_NAME:
+ usb_mtp_add_str(d, o->name);
+ break;
+ default:
+ usb_mtp_data_free(d);
+ return NULL;
+ }
+
+ return d;
+}
+
static void usb_mtp_command(MTPState *s, MTPControl *c)
{
MTPData *data_in = NULL;
@@ -1118,6 +1258,43 @@ static void usb_mtp_command(MTPState *s, MTPControl *c)
nres = 1;
res0 = data_in->length;
break;
+ case CMD_GET_OBJECT_PROPS_SUPPORTED:
+ if (c->argv[0] != FMT_UNDEFINED_OBJECT &&
+ c->argv[0] != FMT_ASSOCIATION) {
+ usb_mtp_queue_result(s, RES_INVALID_OBJECT_FORMAT_CODE,
+ c->trans, 0, 0, 0);
+ return;
+ }
+ data_in = usb_mtp_get_object_props_supported(s, c);
+ break;
+ case CMD_GET_OBJECT_PROP_DESC:
+ if (c->argv[1] != FMT_UNDEFINED_OBJECT &&
+ c->argv[1] != FMT_ASSOCIATION) {
+ usb_mtp_queue_result(s, RES_INVALID_OBJECT_FORMAT_CODE,
+ c->trans, 0, 0, 0);
+ return;
+ }
+ data_in = usb_mtp_get_object_prop_desc(s, c);
+ if (data_in == NULL) {
+ usb_mtp_queue_result(s, RES_INVALID_OBJECT_PROP_CODE,
+ c->trans, 0, 0, 0);
+ return;
+ }
+ break;
+ case CMD_GET_OBJECT_PROP_VALUE:
+ o = usb_mtp_object_lookup(s, c->argv[0]);
+ if (o == NULL) {
+ usb_mtp_queue_result(s, RES_INVALID_OBJECT_HANDLE,
+ c->trans, 0, 0, 0);
+ return;
+ }
+ data_in = usb_mtp_get_object_prop_value(s, c, o);
+ if (data_in == NULL) {
+ usb_mtp_queue_result(s, RES_INVALID_OBJECT_PROP_CODE,
+ c->trans, 0, 0, 0);
+ return;
+ }
+ break;
default:
trace_usb_mtp_op_unknown(s->dev.addr, c->code);
usb_mtp_queue_result(s, RES_OPERATION_NOT_SUPPORTED,
generated by cgit v1.2.3 (git 2.26.2) at 2024-12-18 20:29:07 +0000