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authorRajithaY <rajithax.yerrumsetty@intel.com>2017-04-25 03:31:15 -0700
committerRajitha Yerrumchetty <rajithax.yerrumsetty@intel.com>2017-05-22 06:48:08 +0000
commitbb756eebdac6fd24e8919e2c43f7d2c8c4091f59 (patch)
treeca11e03542edf2d8f631efeca5e1626d211107e3 /qemu/roms/seabios/src/hw/usb-msc.c
parenta14b48d18a9ed03ec191cf16b162206998a895ce (diff)
Adding qemu as a submodule of KVMFORNFV
This Patch includes the changes to add qemu as a submodule to kvmfornfv repo and make use of the updated latest qemu for the execution of all testcase Change-Id: I1280af507a857675c7f81d30c95255635667bdd7 Signed-off-by:RajithaY<rajithax.yerrumsetty@intel.com>
Diffstat (limited to 'qemu/roms/seabios/src/hw/usb-msc.c')
-rw-r--r--qemu/roms/seabios/src/hw/usb-msc.c222
1 files changed, 0 insertions, 222 deletions
diff --git a/qemu/roms/seabios/src/hw/usb-msc.c b/qemu/roms/seabios/src/hw/usb-msc.c
deleted file mode 100644
index a234f13be..000000000
--- a/qemu/roms/seabios/src/hw/usb-msc.c
+++ /dev/null
@@ -1,222 +0,0 @@
-// Code for handling USB Mass Storage Controller devices.
-//
-// Copyright (C) 2010 Kevin O'Connor <kevin@koconnor.net>
-//
-// This file may be distributed under the terms of the GNU LGPLv3 license.
-
-#include "biosvar.h" // GET_GLOBALFLAT
-#include "block.h" // DTYPE_USB
-#include "blockcmd.h" // cdb_read
-#include "config.h" // CONFIG_USB_MSC
-#include "malloc.h" // free
-#include "output.h" // dprintf
-#include "std/disk.h" // DISK_RET_SUCCESS
-#include "string.h" // memset
-#include "usb.h" // struct usb_s
-#include "usb-msc.h" // usb_msc_setup
-#include "util.h" // bootprio_find_usb
-
-struct usbdrive_s {
- struct drive_s drive;
- struct usb_pipe *bulkin, *bulkout;
- int lun;
-};
-
-
-/****************************************************************
- * Bulk-only drive command processing
- ****************************************************************/
-
-#define USB_CDB_SIZE 12
-
-#define CBW_SIGNATURE 0x43425355 // USBC
-
-struct cbw_s {
- u32 dCBWSignature;
- u32 dCBWTag;
- u32 dCBWDataTransferLength;
- u8 bmCBWFlags;
- u8 bCBWLUN;
- u8 bCBWCBLength;
- u8 CBWCB[16];
-} PACKED;
-
-#define CSW_SIGNATURE 0x53425355 // USBS
-
-struct csw_s {
- u32 dCSWSignature;
- u32 dCSWTag;
- u32 dCSWDataResidue;
- u8 bCSWStatus;
-} PACKED;
-
-static int
-usb_msc_send(struct usbdrive_s *udrive_gf, int dir, void *buf, u32 bytes)
-{
- struct usb_pipe *pipe;
- if (dir == USB_DIR_OUT)
- pipe = GET_GLOBALFLAT(udrive_gf->bulkout);
- else
- pipe = GET_GLOBALFLAT(udrive_gf->bulkin);
- return usb_send_bulk(pipe, dir, buf, bytes);
-}
-
-// Low-level usb command transmit function.
-int
-usb_process_op(struct disk_op_s *op)
-{
- if (!CONFIG_USB_MSC)
- return 0;
-
- dprintf(16, "usb_cmd_data id=%p write=%d count=%d buf=%p\n"
- , op->drive_gf, 0, op->count, op->buf_fl);
- struct usbdrive_s *udrive_gf = container_of(
- op->drive_gf, struct usbdrive_s, drive);
-
- // Setup command block wrapper.
- struct cbw_s cbw;
- memset(&cbw, 0, sizeof(cbw));
- int blocksize = scsi_fill_cmd(op, cbw.CBWCB, USB_CDB_SIZE);
- if (blocksize < 0)
- return default_process_op(op);
- u32 bytes = blocksize * op->count;
- cbw.dCBWSignature = CBW_SIGNATURE;
- cbw.dCBWTag = 999; // XXX
- cbw.dCBWDataTransferLength = bytes;
- cbw.bmCBWFlags = scsi_is_read(op) ? USB_DIR_IN : USB_DIR_OUT;
- cbw.bCBWLUN = GET_GLOBALFLAT(udrive_gf->lun);
- cbw.bCBWCBLength = USB_CDB_SIZE;
-
- // Transfer cbw to device.
- int ret = usb_msc_send(udrive_gf, USB_DIR_OUT
- , MAKE_FLATPTR(GET_SEG(SS), &cbw), sizeof(cbw));
- if (ret)
- goto fail;
-
- // Transfer data to/from device.
- if (bytes) {
- ret = usb_msc_send(udrive_gf, cbw.bmCBWFlags, op->buf_fl, bytes);
- if (ret)
- goto fail;
- }
-
- // Transfer csw info.
- struct csw_s csw;
- ret = usb_msc_send(udrive_gf, USB_DIR_IN
- , MAKE_FLATPTR(GET_SEG(SS), &csw), sizeof(csw));
- if (ret)
- goto fail;
-
- if (!csw.bCSWStatus)
- return DISK_RET_SUCCESS;
- if (csw.bCSWStatus == 2)
- goto fail;
-
- if (blocksize)
- op->count -= csw.dCSWDataResidue / blocksize;
- return DISK_RET_EBADTRACK;
-
-fail:
- // XXX - reset connection
- dprintf(1, "USB transmission failed\n");
- return DISK_RET_EBADTRACK;
-}
-
-static int
-usb_msc_maxlun(struct usb_pipe *pipe)
-{
- struct usb_ctrlrequest req;
- req.bRequestType = USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE;
- req.bRequest = 0xfe;
- req.wValue = 0;
- req.wIndex = 0;
- req.wLength = 1;
- unsigned char maxlun;
- int ret = usb_send_default_control(pipe, &req, &maxlun);
- if (ret)
- return 0;
- return maxlun;
-}
-
-static int
-usb_msc_lun_setup(struct usb_pipe *inpipe, struct usb_pipe *outpipe,
- struct usbdevice_s *usbdev, int lun)
-{
- // Allocate drive structure.
- struct usbdrive_s *drive = malloc_fseg(sizeof(*drive));
- if (!drive) {
- warn_noalloc();
- return -1;
- }
- memset(drive, 0, sizeof(*drive));
- if (usb_32bit_pipe(inpipe))
- drive->drive.type = DTYPE_USB_32;
- else
- drive->drive.type = DTYPE_USB;
- drive->bulkin = inpipe;
- drive->bulkout = outpipe;
- drive->lun = lun;
-
- int prio = bootprio_find_usb(usbdev, lun);
- int ret = scsi_drive_setup(&drive->drive, "USB MSC", prio);
- if (ret) {
- dprintf(1, "Unable to configure USB MSC drive.\n");
- free(drive);
- return -1;
- }
- return 0;
-}
-
-/****************************************************************
- * Setup
- ****************************************************************/
-
-// Configure a usb msc device.
-int
-usb_msc_setup(struct usbdevice_s *usbdev)
-{
- if (!CONFIG_USB_MSC)
- return -1;
-
- // Verify right kind of device
- struct usb_interface_descriptor *iface = usbdev->iface;
- if ((iface->bInterfaceSubClass != US_SC_SCSI &&
- iface->bInterfaceSubClass != US_SC_ATAPI_8070 &&
- iface->bInterfaceSubClass != US_SC_ATAPI_8020)
- || iface->bInterfaceProtocol != US_PR_BULK) {
- dprintf(1, "Unsupported MSC USB device (subclass=%02x proto=%02x)\n"
- , iface->bInterfaceSubClass, iface->bInterfaceProtocol);
- return -1;
- }
-
- // Find bulk in and bulk out endpoints.
- struct usb_pipe *inpipe = NULL, *outpipe = NULL;
- struct usb_endpoint_descriptor *indesc = usb_find_desc(
- usbdev, USB_ENDPOINT_XFER_BULK, USB_DIR_IN);
- struct usb_endpoint_descriptor *outdesc = usb_find_desc(
- usbdev, USB_ENDPOINT_XFER_BULK, USB_DIR_OUT);
- if (!indesc || !outdesc)
- goto fail;
- inpipe = usb_alloc_pipe(usbdev, indesc);
- outpipe = usb_alloc_pipe(usbdev, outdesc);
- if (!inpipe || !outpipe)
- goto fail;
-
- int maxlun = usb_msc_maxlun(usbdev->defpipe);
- int lun, pipesused = 0;
- for (lun = 0; lun < maxlun + 1; lun++) {
- int ret = usb_msc_lun_setup(inpipe, outpipe, usbdev, lun);
- if (!ret)
- pipesused = 1;
- }
-
- if (!pipesused)
- goto fail;
-
- return 0;
-fail:
- dprintf(1, "Unable to configure USB MSC device.\n");
- usb_free_pipe(usbdev, inpipe);
- usb_free_pipe(usbdev, outpipe);
- return -1;
-}