--- sys/dev/hyperv/storvsc/hv_storvsc_drv_freebsd.c.orig +++ sys/dev/hyperv/storvsc/hv_storvsc_drv_freebsd.c @@ -81,12 +81,6 @@ #define BLKVSC_MAX_IO_REQUESTS STORVSC_MAX_IO_REQUESTS #define STORVSC_MAX_TARGETS (2) -#define STORVSC_WIN7_MAJOR 4 -#define STORVSC_WIN7_MINOR 2 - -#define STORVSC_WIN8_MAJOR 5 -#define STORVSC_WIN8_MINOR 1 - #define VSTOR_PKT_SIZE (sizeof(struct vstor_packet) - vmscsi_size_delta) #define HV_ALIGN(x, a) roundup2(x, a) @@ -208,7 +202,7 @@ * Sense buffer size changed in win8; have a run-time * variable to track the size we should use. */ -static int sense_buffer_size; +static int sense_buffer_size = PRE_WIN8_STORVSC_SENSE_BUFFER_SIZE; /* * The size of the vmscsi_request has changed in win8. The @@ -218,9 +212,46 @@ * Track the correct size we need to apply. */ static int vmscsi_size_delta; +/* + * The storage protocol version is determined during the + * initial exchange with the host. It will indicate which + * storage functionality is available in the host. +*/ +static int vmstor_proto_version; + +struct vmstor_proto { + int proto_version; + int sense_buffer_size; + int vmscsi_size_delta; +}; -static int storvsc_current_major; -static int storvsc_current_minor; +static const struct vmstor_proto vmstor_proto_list[] = { + { + VMSTOR_PROTOCOL_VERSION_WIN10, + POST_WIN7_STORVSC_SENSE_BUFFER_SIZE, + 0 + }, + { + VMSTOR_PROTOCOL_VERSION_WIN8_1, + POST_WIN7_STORVSC_SENSE_BUFFER_SIZE, + 0 + }, + { + VMSTOR_PROTOCOL_VERSION_WIN8, + POST_WIN7_STORVSC_SENSE_BUFFER_SIZE, + 0 + }, + { + VMSTOR_PROTOCOL_VERSION_WIN7, + PRE_WIN8_STORVSC_SENSE_BUFFER_SIZE, + sizeof(struct vmscsi_win8_extension), + }, + { + VMSTOR_PROTOCOL_VERSION_WIN6, + PRE_WIN8_STORVSC_SENSE_BUFFER_SIZE, + sizeof(struct vmscsi_win8_extension), + } +}; /* static functions */ static int storvsc_probe(device_t dev); @@ -435,7 +466,7 @@ static int hv_storvsc_channel_init(struct hv_device *dev) { - int ret = 0; + int ret = 0, i; struct hv_storvsc_request *request; struct vstor_packet *vstor_packet; struct storvsc_softc *sc; @@ -484,19 +515,20 @@ goto cleanup; } - /* reuse the packet for version range supported */ + for (i = 0; i < nitems(vmstor_proto_list); i++) { + /* reuse the packet for version range supported */ - memset(vstor_packet, 0, sizeof(struct vstor_packet)); - vstor_packet->operation = VSTOR_OPERATION_QUERYPROTOCOLVERSION; - vstor_packet->flags = REQUEST_COMPLETION_FLAG; + memset(vstor_packet, 0, sizeof(struct vstor_packet)); + vstor_packet->operation = VSTOR_OPERATION_QUERYPROTOCOLVERSION; + vstor_packet->flags = REQUEST_COMPLETION_FLAG; - vstor_packet->u.version.major_minor = - VMSTOR_PROTOCOL_VERSION(storvsc_current_major, storvsc_current_minor); + vstor_packet->u.version.major_minor = + vmstor_proto_list[i].proto_version; - /* revision is only significant for Windows guests */ - vstor_packet->u.version.revision = 0; + /* revision is only significant for Windows guests */ + vstor_packet->u.version.revision = 0; - ret = hv_vmbus_channel_send_packet( + ret = hv_vmbus_channel_send_packet( dev->channel, vstor_packet, VSTOR_PKT_SIZE, @@ -504,20 +536,34 @@ HV_VMBUS_PACKET_TYPE_DATA_IN_BAND, HV_VMBUS_DATA_PACKET_FLAG_COMPLETION_REQUESTED); - if (ret != 0) - goto cleanup; + if (ret != 0) + goto cleanup; - /* wait 5 seconds */ - ret = sema_timedwait(&request->synch_sema, 5 * hz); + /* wait 5 seconds */ + ret = sema_timedwait(&request->synch_sema, 5 * hz); - if (ret) - goto cleanup; + if (ret) + goto cleanup; - /* TODO: Check returned version */ - if (vstor_packet->operation != VSTOR_OPERATION_COMPLETEIO || - vstor_packet->status != 0) - goto cleanup; + if (vstor_packet->operation != VSTOR_OPERATION_COMPLETEIO) { + ret = EINVAL; + goto cleanup; + } + if (vstor_packet->status == 0) { + vmstor_proto_version = + vmstor_proto_list[i].proto_version; + sense_buffer_size = + vmstor_proto_list[i].sense_buffer_size; + vmscsi_size_delta = + vmstor_proto_list[i].vmscsi_size_delta; + break; + } + } + if (vstor_packet->status != 0) { + ret = EINVAL; + goto cleanup; + } /** * Query channel properties */ @@ -916,19 +962,6 @@ int ata_disk_enable = 0; int ret = ENXIO; - if (hv_vmbus_protocal_version == HV_VMBUS_VERSION_WS2008 || - hv_vmbus_protocal_version == HV_VMBUS_VERSION_WIN7) { - sense_buffer_size = PRE_WIN8_STORVSC_SENSE_BUFFER_SIZE; - vmscsi_size_delta = sizeof(struct vmscsi_win8_extension); - storvsc_current_major = STORVSC_WIN7_MAJOR; - storvsc_current_minor = STORVSC_WIN7_MINOR; - } else { - sense_buffer_size = POST_WIN7_STORVSC_SENSE_BUFFER_SIZE; - vmscsi_size_delta = 0; - storvsc_current_major = STORVSC_WIN8_MAJOR; - storvsc_current_minor = STORVSC_WIN8_MINOR; - } - switch (storvsc_get_storage_type(dev)) { case DRIVER_BLKVSC: if(bootverbose) @@ -2064,6 +2097,13 @@ ((ccb->ccb_h.flags & CAM_CDB_POINTER) ? csio->cdb_io.cdb_ptr : csio->cdb_io.cdb_bytes); if (cmd->opcode == INQUIRY && + /* + * XXX: Temporary work around disk hot plugin on win2k12r2, + * only filtering the invalid disk on win10 or 2016 server. + * So, the hot plugin on win10 and 2016 server needs + * to be fixed. + */ + vmstor_proto_version == VMSTOR_PROTOCOL_VERSION_WIN10 && is_inquiry_valid( (const struct scsi_inquiry_data *)csio->data_ptr) == 0) { ccb->ccb_h.status |= CAM_DEV_NOT_THERE; --- sys/dev/hyperv/storvsc/hv_vstorage.h.orig +++ sys/dev/hyperv/storvsc/hv_vstorage.h @@ -41,6 +41,11 @@ #define VMSTOR_PROTOCOL_VERSION(MAJOR_, MINOR_) ((((MAJOR_) & 0xff) << 8) | \ (((MINOR_) & 0xff) )) +#define VMSTOR_PROTOCOL_VERSION_WIN6 VMSTOR_PROTOCOL_VERSION(2, 0) +#define VMSTOR_PROTOCOL_VERSION_WIN7 VMSTOR_PROTOCOL_VERSION(4, 2) +#define VMSTOR_PROTOCOL_VERSION_WIN8 VMSTOR_PROTOCOL_VERSION(5, 1) +#define VMSTOR_PROTOCOL_VERSION_WIN8_1 VMSTOR_PROTOCOL_VERSION(6, 0) +#define VMSTOR_PROTOCOL_VERSION_WIN10 VMSTOR_PROTOCOL_VERSION(6, 2) /* * Invalid version. */