diff options
| author | Skylar Chang <chiaweic@codeaurora.org> | 2016-07-26 17:17:22 -0700 |
|---|---|---|
| committer | Skylar Chang <chiaweic@codeaurora.org> | 2016-07-26 17:17:22 -0700 |
| commit | a5dd060414a6697135c0b22f5155e592cc96c455 (patch) | |
| tree | aaa6885d486355919934e29126de8a0b44763b0b /include/linux | |
| parent | 4ba4c5041bd55f8c5d1d0cd1e729501e915a6197 (diff) | |
msm: ipa3: changes to IPA USB APIs to support SMMU
Add support to IPA USB APIs for SMMU.
CRs-Fixed: 1046497
Change-Id: Ifca675f308b59913743baf2e59dc3ed515a5b974
Acked-by: Ady Abraham <adya@qti.qualcomm.com>
Signed-off-by: Skylar Chang <chiaweic@codeaurora.org>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/ipa_usb.h | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/include/linux/ipa_usb.h b/include/linux/ipa_usb.h index c3885c72e5ea..0fe0e36c551f 100644 --- a/include/linux/ipa_usb.h +++ b/include/linux/ipa_usb.h @@ -94,7 +94,7 @@ struct ipa_usb_xdci_connect_params { * ipa_usb_xdci_chan_scratch - xDCI protocol SW config area of * channel scratch * - * @last_trb_addr: Address (LSB - based on alignment restrictions) of + * @last_trb_addr_iova: Address (iova LSB - based on alignment restrictions) of * last TRB in queue. Used to identify roll over case * @const_buffer_size: TRB buffer size in KB (similar to IPA aggregation * configuration). Must be aligned to max USB Packet Size. @@ -103,7 +103,7 @@ struct ipa_usb_xdci_connect_params { * @depcmd_hi_addr: Used to generate "Update Transfer" command. */ struct ipa_usb_xdci_chan_scratch { - u16 last_trb_addr; + u16 last_trb_addr_iova; u8 const_buffer_size; u32 depcmd_low_addr; u8 depcmd_hi_addr; @@ -124,6 +124,11 @@ struct ipa_usb_xdci_chan_scratch { * @xfer_ring_base_addr: physical base address of transfer ring. Address must be * aligned to xfer_ring_len rounded to power of two * @xfer_scratch: parameters for xDCI channel scratch + * @xfer_ring_base_addr_iova: IO virtual address mapped to xfer_ring_base_addr + * @data_buff_base_len: length of data buffer allocated by USB driver + * @data_buff_base_addr: physical base address for the data buffer (where TRBs + * points) + * @data_buff_base_addr_iova: IO virtual address mapped to data_buff_base_addr * */ struct ipa_usb_xdci_chan_params { @@ -140,6 +145,10 @@ struct ipa_usb_xdci_chan_params { u16 xfer_ring_len; u64 xfer_ring_base_addr; struct ipa_usb_xdci_chan_scratch xfer_scratch; + u64 xfer_ring_base_addr_iova; + u32 data_buff_base_len; + u64 data_buff_base_addr; + u64 data_buff_base_addr_iova; }; /** |