From 5e5d74a4531770258e21dedd45c33f1a9d3afa6b Mon Sep 17 00:00:00 2001 From: Patrick Rudolph Date: Sun, 15 Nov 2020 19:54:40 +0100 Subject: [PATCH 5/8] grub-core/bus/usb/usbhub: Add new private fields for xHCI controller Store the root port number, the route, consisting out of the port ID in each nibble, and a pointer to driver private data. Signed-off-by: Patrick Rudolph --- grub-core/bus/usb/usbhub.c | 11 ++++++++--- include/grub/usb.h | 5 +++++ 2 files changed, 13 insertions(+), 3 deletions(-) diff --git a/grub-core/bus/usb/usbhub.c b/grub-core/bus/usb/usbhub.c index 8e963e84b..b4b3a1a61 100644 --- a/grub-core/bus/usb/usbhub.c +++ b/grub-core/bus/usb/usbhub.c @@ -49,7 +49,9 @@ static grub_usb_controller_dev_t grub_usb_list; static grub_usb_device_t grub_usb_hub_add_dev (grub_usb_controller_t controller, grub_usb_speed_t speed, - int split_hubport, int split_hubaddr) + int split_hubport, int split_hubaddr, + int root_portno, + grub_uint32_t route) { grub_usb_device_t dev; int i; @@ -65,6 +67,8 @@ grub_usb_hub_add_dev (grub_usb_controller_t controller, dev->speed = speed; dev->split_hubport = split_hubport; dev->split_hubaddr = split_hubaddr; + dev->root_port = root_portno; + dev->route = route; if (controller->dev->attach_dev) { err = controller->dev->attach_dev (controller, dev); @@ -245,7 +249,7 @@ attach_root_port (struct grub_usb_hub *hub, int portno, and full/low speed device connected to OHCI/UHCI needs not transaction translation - e.g. hubport and hubaddr should be always none (zero) for any device connected to any root hub. */ - dev = grub_usb_hub_add_dev (hub->controller, speed, 0, 0); + dev = grub_usb_hub_add_dev (hub->controller, speed, 0, 0, portno, 0); hub->controller->dev->pending_reset = 0; npending--; if (! dev) @@ -676,7 +680,8 @@ poll_nonroot_hub (grub_usb_device_t dev) /* Add the device and assign a device address to it. */ next_dev = grub_usb_hub_add_dev (&dev->controller, speed, - split_hubport, split_hubaddr); + split_hubport, split_hubaddr, dev->root_port, + dev->route << 4 | (i & 0xf)); if (dev->controller.dev->pending_reset) { dev->controller.dev->pending_reset = 0; diff --git a/include/grub/usb.h b/include/grub/usb.h index 4dd179db2..609faf7d0 100644 --- a/include/grub/usb.h +++ b/include/grub/usb.h @@ -237,6 +237,11 @@ struct grub_usb_device int split_hubport; int split_hubaddr; + + /* xHCI specific information */ + int root_port; + grub_uint32_t route; + void *xhci_priv; }; -- 2.39.2