* [Qemu-devel] [PATCH v2 0/2] usb-mtp: Added support for sending files larger than 4gb @ 2016-07-21 9:56 Isaac Lozano 2016-07-21 9:56 ` [Qemu-devel] [PATCH v2 1/2] usb-mtp: fix " Isaac Lozano 2016-07-21 9:56 ` [Qemu-devel] [PATCH v2 2/2] usb-mtp: added object properties Isaac Lozano 0 siblings, 2 replies; 5+ messages in thread From: Isaac Lozano @ 2016-07-21 9:56 UTC (permalink / raw) To: qemu-devel; +Cc: Isaac Lozano, bsd, kraxel Added support for sending files larger than 4gb from the host to the guest. The first patch adds support on Linux guests. The second patch is to add support on Windows guests. Windows requires object properties to read the file size from. We have to implement a minimum set of commands and object properties to support object properties, though. But most of the properties are data that we already have access to. Isaac Lozano (2): usb-mtp: fix sending files larger than 4gb usb-mtp: added object properties hw/usb/dev-mtp.c | 197 +++++++++++++++++++++++++++++++++++++++++++++++++++++-- 1 file changed, 192 insertions(+), 5 deletions(-) -- 2.9.0 ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Qemu-devel] [PATCH v2 1/2] usb-mtp: fix sending files larger than 4gb 2016-07-21 9:56 [Qemu-devel] [PATCH v2 0/2] usb-mtp: Added support for sending files larger than 4gb Isaac Lozano @ 2016-07-21 9:56 ` Isaac Lozano 2016-07-27 20:30 ` Bandan Das 2016-07-21 9:56 ` [Qemu-devel] [PATCH v2 2/2] usb-mtp: added object properties Isaac Lozano 1 sibling, 1 reply; 5+ messages in thread From: Isaac Lozano @ 2016-07-21 9:56 UTC (permalink / raw) To: qemu-devel; +Cc: Isaac Lozano, bsd, kraxel MTP requires that if a file is larger than 4gb or if sending data larger than 4gb, that the length field be set to 0xFFFFFFFF. Also widened a couple variables to prevent overflow errors. Signed-off-by: Isaac Lozano <109lozanoi@gmail.com> --- hw/usb/dev-mtp.c | 21 ++++++++++++++++----- 1 file changed, 16 insertions(+), 5 deletions(-) diff --git a/hw/usb/dev-mtp.c b/hw/usb/dev-mtp.c index 1be85ae..6f6a270 100644 --- a/hw/usb/dev-mtp.c +++ b/hw/usb/dev-mtp.c @@ -115,8 +115,8 @@ struct MTPControl { struct MTPData { uint16_t code; uint32_t trans; - uint32_t offset; - uint32_t length; + uint64_t offset; + uint64_t length; uint32_t alloc; uint8_t *data; bool first; @@ -883,7 +883,13 @@ static MTPData *usb_mtp_get_object_info(MTPState *s, MTPControl *c, usb_mtp_add_u32(d, QEMU_STORAGE_ID); usb_mtp_add_u16(d, o->format); usb_mtp_add_u16(d, 0); - usb_mtp_add_u32(d, o->stat.st_size); + + if (o->stat.st_size > 0xFFFFFFFF) { + usb_mtp_add_u32(d, 0xFFFFFFFF); + } + else { + usb_mtp_add_u32(d, o->stat.st_size); + } usb_mtp_add_u16(d, 0); usb_mtp_add_u32(d, 0); @@ -1193,10 +1199,15 @@ static void usb_mtp_handle_data(USBDevice *dev, USBPacket *p) } if (s->data_in != NULL) { MTPData *d = s->data_in; - int dlen = d->length - d->offset; + uint64_t dlen = d->length - d->offset; if (d->first) { trace_usb_mtp_data_in(s->dev.addr, d->trans, d->length); - container.length = cpu_to_le32(d->length + sizeof(container)); + if (d->length + sizeof(container) > 0xFFFFFFFF) { + container.length = cpu_to_le32(0xFFFFFFFF); + } + else { + container.length = cpu_to_le32(d->length + sizeof(container)); + } container.type = cpu_to_le16(TYPE_DATA); container.code = cpu_to_le16(d->code); container.trans = cpu_to_le32(d->trans); -- 2.9.0 ^ permalink raw reply related [flat|nested] 5+ messages in thread
* Re: [Qemu-devel] [PATCH v2 1/2] usb-mtp: fix sending files larger than 4gb 2016-07-21 9:56 ` [Qemu-devel] [PATCH v2 1/2] usb-mtp: fix " Isaac Lozano @ 2016-07-27 20:30 ` Bandan Das 0 siblings, 0 replies; 5+ messages in thread From: Bandan Das @ 2016-07-27 20:30 UTC (permalink / raw) To: Isaac Lozano; +Cc: qemu-devel, kraxel Hi Isaac, Some minor comments below. Isaac Lozano <109lozanoi@gmail.com> writes: > MTP requires that if a file is larger than 4gb or if sending data larger > than 4gb, that the length field be set to 0xFFFFFFFF. > > Also widened a couple variables to prevent overflow errors. > > Signed-off-by: Isaac Lozano <109lozanoi@gmail.com> > --- > hw/usb/dev-mtp.c | 21 ++++++++++++++++----- > 1 file changed, 16 insertions(+), 5 deletions(-) > > diff --git a/hw/usb/dev-mtp.c b/hw/usb/dev-mtp.c > index 1be85ae..6f6a270 100644 > --- a/hw/usb/dev-mtp.c > +++ b/hw/usb/dev-mtp.c > @@ -115,8 +115,8 @@ struct MTPControl { > struct MTPData { > uint16_t code; > uint32_t trans; > - uint32_t offset; > - uint32_t length; > + uint64_t offset; > + uint64_t length; > uint32_t alloc; > uint8_t *data; > bool first; > @@ -883,7 +883,13 @@ static MTPData *usb_mtp_get_object_info(MTPState *s, MTPControl *c, > usb_mtp_add_u32(d, QEMU_STORAGE_ID); > usb_mtp_add_u16(d, o->format); > usb_mtp_add_u16(d, 0); > - usb_mtp_add_u32(d, o->stat.st_size); > + > + if (o->stat.st_size > 0xFFFFFFFF) { > + usb_mtp_add_u32(d, 0xFFFFFFFF); > + } > + else { > + usb_mtp_add_u32(d, o->stat.st_size); > + } Or rewrite as: uint32_t size = o->stat.st_size > 0xFFFFFFFF ? 0xFFFFFFFF : o->stat.st_size; usb_mtp_add_u32(d, size); Either way is fine. > > usb_mtp_add_u16(d, 0); > usb_mtp_add_u32(d, 0); > @@ -1193,10 +1199,15 @@ static void usb_mtp_handle_data(USBDevice *dev, USBPacket *p) > } > if (s->data_in != NULL) { > MTPData *d = s->data_in; > - int dlen = d->length - d->offset; > + uint64_t dlen = d->length - d->offset; > if (d->first) { > trace_usb_mtp_data_in(s->dev.addr, d->trans, d->length); > - container.length = cpu_to_le32(d->length + sizeof(container)); > + if (d->length + sizeof(container) > 0xFFFFFFFF) { > + container.length = cpu_to_le32(0xFFFFFFFF); > + } > + else { > + container.length = cpu_to_le32(d->length + sizeof(container)); > + } This will throw checkpatch errors and I see you have fixed them in the next patch. Please just use the preferred style here to keep context. > container.type = cpu_to_le16(TYPE_DATA); > container.code = cpu_to_le16(d->code); > container.trans = cpu_to_le32(d->trans); Please feel free to add Reviewed-by: Bandan Das <bsd@redhat.com> ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Qemu-devel] [PATCH v2 2/2] usb-mtp: added object properties 2016-07-21 9:56 [Qemu-devel] [PATCH v2 0/2] usb-mtp: Added support for sending files larger than 4gb Isaac Lozano 2016-07-21 9:56 ` [Qemu-devel] [PATCH v2 1/2] usb-mtp: fix " Isaac Lozano @ 2016-07-21 9:56 ` Isaac Lozano 2016-07-27 20:41 ` Bandan Das 1 sibling, 1 reply; 5+ messages in thread From: Isaac Lozano @ 2016-07-21 9:56 UTC (permalink / raw) To: qemu-devel; +Cc: Isaac Lozano, bsd, kraxel Windows uses object properties to determine the size of a file, so to add object properties, we must also add a minimum set of new commands and object properties. Most object properties are data that we already have, except for the unique persistant object identifier. Windows doesn't use this property, it seems, so we can cheat a bit and just use the object handle for it. Signed-off-by: Isaac Lozano <109lozanoi@gmail.com> --- hw/usb/dev-mtp.c | 186 +++++++++++++++++++++++++++++++++++++++++++++++++++++-- 1 file changed, 181 insertions(+), 5 deletions(-) diff --git a/hw/usb/dev-mtp.c b/hw/usb/dev-mtp.c index 6f6a270..fa0c81e 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, @@ -886,8 +910,7 @@ static MTPData *usb_mtp_get_object_info(MTPState *s, MTPControl *c, if (o->stat.st_size > 0xFFFFFFFF) { usb_mtp_add_u32(d, 0xFFFFFFFF); - } - else { + } else { usb_mtp_add_u32(d, o->stat.st_size); } @@ -972,6 +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; @@ -1119,6 +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, @@ -1204,9 +1380,9 @@ static void usb_mtp_handle_data(USBDevice *dev, USBPacket *p) trace_usb_mtp_data_in(s->dev.addr, d->trans, d->length); if (d->length + sizeof(container) > 0xFFFFFFFF) { container.length = cpu_to_le32(0xFFFFFFFF); - } - else { - container.length = cpu_to_le32(d->length + sizeof(container)); + } else { + container.length = cpu_to_le32(d->length + + sizeof(container)); } container.type = cpu_to_le16(TYPE_DATA); container.code = cpu_to_le16(d->code); -- 2.9.0 ^ permalink raw reply related [flat|nested] 5+ messages in thread
* Re: [Qemu-devel] [PATCH v2 2/2] usb-mtp: added object properties 2016-07-21 9:56 ` [Qemu-devel] [PATCH v2 2/2] usb-mtp: added object properties Isaac Lozano @ 2016-07-27 20:41 ` Bandan Das 0 siblings, 0 replies; 5+ messages in thread From: Bandan Das @ 2016-07-27 20:41 UTC (permalink / raw) To: Isaac Lozano; +Cc: qemu-devel, kraxel Isaac Lozano <109lozanoi@gmail.com> writes: > Windows uses object properties to determine the size of a file, so to > add object properties, we must also add a minimum set of new commands > and object properties. Most object properties are data that we already > have, except for the unique persistant object identifier. Windows > doesn't use this property, it seems, so we can cheat a bit and just use > the object handle for it. > > Signed-off-by: Isaac Lozano <109lozanoi@gmail.com> > --- > hw/usb/dev-mtp.c | 186 +++++++++++++++++++++++++++++++++++++++++++++++++++++-- > 1 file changed, 181 insertions(+), 5 deletions(-) > > diff --git a/hw/usb/dev-mtp.c b/hw/usb/dev-mtp.c > index 6f6a270..fa0c81e 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, > @@ -886,8 +910,7 @@ static MTPData *usb_mtp_get_object_info(MTPState *s, MTPControl *c, > > if (o->stat.st_size > 0xFFFFFFFF) { > usb_mtp_add_u32(d, 0xFFFFFFFF); > - } > - else { > + } else { > usb_mtp_add_u32(d, o->stat.st_size); > } > > @@ -972,6 +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; Stylistic: Can rewrite all 0 valued calls to usb_mtp_add_u32(d, 0) and the like but this is fine too :) > + 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" s/objedt/object > + * for now */ > + usb_mtp_add_u64(d, 0x0000000000000000); > + usb_mtp_add_u64(d, o->handle); I thought we decided on the inode number ? Probably harmless but can't be handle be different across sessions ? For example, a new file is added followed by a new session. Bandan > + 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; > @@ -1119,6 +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, > @@ -1204,9 +1380,9 @@ static void usb_mtp_handle_data(USBDevice *dev, USBPacket *p) > trace_usb_mtp_data_in(s->dev.addr, d->trans, d->length); > if (d->length + sizeof(container) > 0xFFFFFFFF) { > container.length = cpu_to_le32(0xFFFFFFFF); > - } > - else { > - container.length = cpu_to_le32(d->length + sizeof(container)); > + } else { > + container.length = cpu_to_le32(d->length + > + sizeof(container)); > } > container.type = cpu_to_le16(TYPE_DATA); > container.code = cpu_to_le16(d->code); ^ permalink raw reply [flat|nested] 5+ messages in thread
end of thread, other threads:[~2016-07-27 20:41 UTC | newest] Thread overview: 5+ messages (download: mbox.gz follow: Atom feed -- links below jump to the message on this page -- 2016-07-21 9:56 [Qemu-devel] [PATCH v2 0/2] usb-mtp: Added support for sending files larger than 4gb Isaac Lozano 2016-07-21 9:56 ` [Qemu-devel] [PATCH v2 1/2] usb-mtp: fix " Isaac Lozano 2016-07-27 20:30 ` Bandan Das 2016-07-21 9:56 ` [Qemu-devel] [PATCH v2 2/2] usb-mtp: added object properties Isaac Lozano 2016-07-27 20:41 ` Bandan Das
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