This patch only changes some names of varaibles about Event Ring Segement
Table (ERST), and doesn't modify any code logic.
Tracked-On: #3628
Signed-off-by: Xiaoguang Wu <xiaoguang.wu@intel.com>
Acked-by: Yu Wang <yu1.wang@intel.com>
The block count of the struct usb_xfer is hard coded by the macro
USB_MAX_XFER_BLOCKS (1024), it wastes memory if 1024 blocks are
allocated for low speed transfer such as control transfer or interrupt
transfer. This patch introduces a new method to allocate different
number of blocks according to different endpoint type.
Tracked-On: #3628
Signed-off-by: Xiaoguang Wu <xiaoguang.wu@intel.com>
Acked-by: Yu Wang <yu1.wang@intel.com>
The Block Event Interrupt (BEI) bit in the TRB descriptor could
delay the triggering of interrupt. For most OSes, the native
driver for xHCI will use this bit to optimize the IO performence,
due to reduction of number of interrupts.
But in Linux, the native xHCI driver for Intel brand controller
doesn't use this bit. It is fine for the native scenario due to
most work is completed by hardware. But in virtualization scenario,
it is almost impossible to support heavy data IO such as high
resolution video recording (ISOC transfer).
Hence, this issue is solved by a 'quirk' when the intel hardware is
emulated (when vendor id is set as 0x8086). For other cases, a
virtal hardware called 'ACRN xHCI' is emulated, and both Linux and
Windows will use BEI bit by default.
Tracked-On: #3628
Signed-off-by: Xiaoguang Wu <xiaoguang.wu@intel.com>
Acked-by: Yu Wang <yu1.wang@intel.com>
Now one macro is added to define the alignment requirement.
>#define __aligned(x) __attribute__((aligned(x)))
Some code uses the __aligned(x) to define the alignment while the other
code uses the original alignment definition.
So they are unified.
Tracked-On: projectacrn/acrn-hypervisor#2131
Signed-off-by: Zhao Yakui <yakui.zhao@intel.com>
Acked-by: Anthony Xu <anthony.xu@intel.com>
This workaround will delay the UOS resuming for 5 seconds, this
behavior is not right and should be replaced by dynamic style.
Tracked-On: #1893
Signed-off-by: Xiaoguang Wu <xiaoguang.wu@intel.com>
Reviewed-by: Liang Yang <liang3.yang@intel.com>
Acked-by: Yu Wang <yu1.wang@intel.com>
If the USB kernel drives and devices of SOS are not available and
functional ready after UOS is resumed from frozen state, the comming
USB command from UOS will cause a disaster because the DM has no
resourse to to emulation.
This patch add a dynamic time span (could change according to number
of native USB devices attached) to give USB drivers and devices of
SOS an opportunity to be ready.
Tracked-On: #1893
Signed-off-by: Xiaoguang Wu <xiaoguang.wu@intel.com>
Reviewed-by: Liang Yang <liang3.yang@intel.com>
Acked-by: Yu Wang <yu1.wang@intel.com>
To support the multiple hubs and multiple layers of hub, the
port_map_tbl should be replaced by native_ports to record all
native devices' state, including assignment state, emulation
state etc.
Tracked-On: #1434
Signed-off-by: Xiaoguang Wu <xiaoguang.wu@intel.com>
Signed-off-by: Liang Yang <liang3.yang@intel.com>
Acked-by: Yu Wang <yu1.wang@intel.com>
This patch implements Intel ApolloLake xHCI extended capabilities. It
includes two dual role switch registers for switching shared
USB2&USB3 phys between xHCI and xDCI.
Change-Id: I2533537d8a4224da3cf9b2e7475aab9f65347a4a
Signed-off-by: Liang Yang <liang3.yang@intel.com>
Reviewed-by: Xiaoguang Wu <xiaoguang.wu@intel.com>
Reviewed-by: Yu Wang <yu1.wang@intel.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Every platform should have their own xHCI specific extended
capabilities, but the current xHCI DM is not scalable for them. This
patch refines related logic to make it scalable.
Current code only support 4 registers(4*32) as basic extended
capabilites. Base on this new implementation, the mmio range from
excapoff to regsend will cover real excap size according to the cap
parameter.
Change-Id: Ic55a4494e090ec255939cdb8f32950e3c8a66082
Signed-off-by: Liang Yang <liang3.yang@intel.com>
Reviewed-by: Xiaoguang Wu <xiaoguang.wu@intel.com>
Reviewed-by: Yu Wang <yu1.wang@intel.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Xiaoguang Wu