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DM USB: xHCI: implement connect callbacks for USB port mapper

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Allocate an emulated USB instance in connect callback function. This
instance is the entity of virtual USB device which will be enumerated
by the UOS.

Change-Id: I948d2ce9eca7e9d5bbab673f2505efc0a03c03b4
Signed-off-by: Wu, Xiaoguang <xiaoguang.wu@intel.com>
Reviewed-by: Shuo Liu <shuo.a.liu@intel.com>
Reviewed-by: Yu Wang <yu1.wang@intel.com>
Reviewed-by: Zhao Yakui <yakui.zhao@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
This commit is contained in:
Wu, Xiaoguang 2018-04-18 13:25:09 +08:00 committed by lijinxia
parent aa0480f44e
commit 17d4e9a995
1 changed files with 171 additions and 1 deletions
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172
devicemodel/hw/pci/xhci.c
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@ -315,11 +315,93 @@ static void pci_xhci_update_ep_ring(struct pci_xhci_vdev *xdev,
struct xhci_endp_ctx *ep_ctx,
uint32_t streamid, uint64_t ringaddr,
int ccs);
static void pci_xhci_init_port(struct pci_xhci_vdev *xdev, int portn);
static struct pci_xhci_dev_emu *pci_xhci_dev_create(struct pci_xhci_vdev *
xdev, void *dev_data);
static void pci_xhci_dev_destroy(struct pci_xhci_dev_emu *de);
static int
pci_xhci_native_usb_dev_conn_cb(void *hci_data, void *dev_data)
{
struct pci_xhci_dev_emu *de;
struct pci_xhci_vdev *xdev;
struct usb_devemu *ue;
int port_start, port_end;
int slot_start, slot_end;
int port, slot;
void *ud;
uint8_t native_bus, native_pid, native_port;
uint16_t native_vid;
xdev = hci_data;
assert(xdev);
assert(dev_data);
assert(xdev->devices);
assert(xdev->slots);
de = pci_xhci_dev_create(xdev, dev_data);
if (!de) {
UPRINTF(LFTL, "fail to create device\r\n");
return -1;
}
/* find free port and slot for the new usb device */
ud = de->dev_instance;
ue = de->dev_ue;
assert(ud);
assert(ue);
/* print physical information about new device */
ue->ue_info(ud, USB_INFO_BUS, &native_bus, sizeof(native_bus));
ue->ue_info(ud, USB_INFO_PORT, &native_port, sizeof(native_port));
ue->ue_info(ud, USB_INFO_VID, &native_vid, sizeof(native_vid));
ue->ue_info(ud, USB_INFO_PID, &native_pid, sizeof(native_pid));
UPRINTF(LDBG, "%X:%X %d-%d connecting.\r\n",
native_vid, native_pid, native_bus, native_port);
if (ue->ue_usbver == 2)
port_start = xdev->usb2_port_start;
else
port_start = xdev->usb3_port_start;
slot_start = 1;
port_end = port_start + (XHCI_MAX_DEVS / 2);
slot_end = XHCI_MAX_SLOTS;
/* find free port */
for (port = port_start; port < port_end; port++)
if (!xdev->devices[port])
break;
/* find free slot */
for (slot = slot_start; slot < slot_end; slot++)
if (!xdev->slots[slot])
break;
if (port >= port_end || slot >= slot_end) {
UPRINTF(LFTL, "no free resource: port %d slot %d\r\n",
port, slot);
goto errout;
}
/* use index of devices as port number */
xdev->devices[port] = de;
xdev->slots[slot] = de;
xdev->ndevices++;
pci_xhci_reset_slot(xdev, slot);
pci_xhci_init_port(xdev, port);
UPRINTF(LDBG, "%X:%X %d-%d locates in slot %d port %d.\r\n",
native_vid, native_pid, native_bus, native_port,
slot, port);
return 0;
errout:
pci_xhci_dev_destroy(de);
return -1;
}
static int
@ -328,6 +410,86 @@ pci_xhci_native_usb_dev_disconn_cb(void *hci_data, void *dev_data)
return 0;
}
static struct pci_xhci_dev_emu*
pci_xhci_dev_create(struct pci_xhci_vdev *xdev, void *dev_data)
{
struct usb_devemu *ue = NULL;
struct pci_xhci_dev_emu *de = NULL;
void *ud = NULL;
int rc;
assert(xdev);
assert(dev_data);
ue = calloc(1, sizeof(struct usb_devemu));
if (!ue)
return NULL;
/* TODO: following function pointers will be populated in future */
ue->ue_init = usb_dev_init;
ue->ue_request = NULL;
ue->ue_data = NULL;
ue->ue_info = usb_dev_info;
ue->ue_reset = NULL;
ue->ue_remove = NULL;
ue->ue_stop = NULL;
ue->ue_deinit = usb_dev_deinit;
ud = ue->ue_init(dev_data, NULL);
if (!ud)
goto errout;
rc = ue->ue_info(ud, USB_INFO_VERSION, &ue->ue_usbver,
sizeof(ue->ue_usbver));
if (rc < 0)
goto errout;
rc = ue->ue_info(ud, USB_INFO_SPEED, &ue->ue_usbspeed,
sizeof(ue->ue_usbspeed));
if (rc < 0)
goto errout;
de = calloc(1, sizeof(struct pci_xhci_dev_emu));
if (!de)
goto errout;
de->xdev = xdev;
de->dev_ue = ue;
de->dev_instance = ud;
de->hci.dev = NULL;
de->hci.hci_intr = NULL;
de->hci.hci_event = NULL;
de->hci.hci_address = 0;
return de;
errout:
if (ud)
ue->ue_deinit(ud);
free(ue);
free(de);
return NULL;
}
static void
pci_xhci_dev_destroy(struct pci_xhci_dev_emu *de)
{
struct usb_devemu *ue;
struct usb_dev *ud;
if (de) {
ue = de->dev_ue;
ud = de->dev_instance;
if (ue) {
assert(ue->ue_deinit);
ue->ue_deinit(ud);
}
free(ue);
free(de);
}
}
static void
pci_xhci_set_evtrb(struct xhci_trb *evtrb, uint64_t port, uint32_t errcode,
uint32_t evtype)
@ -2797,7 +2959,15 @@ portsfinal:
calloc(XHCI_MAX_DEVS, sizeof(struct pci_xhci_portregs));
if (xdev->ndevices > 0) {
/* port and slot numbering start from 1 */
/* port and slot numbering start from 1
*
* TODO: This code is really dangerous...
* xdev->devices[0] and xdev->slots[0] are point to one
* invalid address. Only xdev->slots[1] is the real first
* item. Just use this design now due to the original xhci.c
* and the usb_mouse.c depend on it and it will be fixed
* in future.
*/
xdev->devices--;
xdev->portregs--;
xdev->slots--;