Hi, On Fri, Jul 06, 2018 at 02:26:17PM +0530, Govind Singh wrote: > Add QMI client handshakes for Q6 integrated WLAN connectivity subsystem. > This module is responsible for communicating WLAN control messages to FW > over QMI interface. This patch series enables the qmi handshakes required for > WCN3990 chipset. > > QUALCOMM MSM Interface(QMI) provides the control interface between > components running b/w remote processors with underlying transport layer > based on integrated chipset(shared memory) or discrete chipset(PCI/USB/SDIO/UART). > > QMI client driver implementation is based on qmi framework https://lwn.net/Articles/729924/. > > Below is the sequence of qmi handshake. > > QMI CLIENT(APPS) QMI SERVER(FW in Q6) > > <------wlan service discoverd---- > > -----connect to wlam qmi service-----> > > ------------wlan info request-----> > > <------------wlan info resp------------ > > ------------msa info req--------> > > <------------msa info resp------------ > > ------------msa ready req--------> > > <------------msa ready resp------------ > > <------------msa ready indication------- > > ------------capability req-------> > > <------------capability resp------------ > > ------------qmi bdf req---------> > > <------------qmi bdf resp------------ > > ------------qmi cal trigger-------> > > <------------ QMI FW ready indication------- > > WLAN fw is running in modem Q6 dsp as user PD(protection domain). > Sequence of user PD loading is as following. > > 1) Remote proc PIL driver loads the modem fw/ROOT PD. > 2) As part of ROOT pd boot-up it queries to a daemon(pd_mapper) running in apps > processor to determine how many usre pd's to be loaded by the remote processor(Q6). > 3) Once user pd info is known to remote processor it loads the user pd via tftp > protocol. > > https://github.com/andersson/pd-mapper > https://github.com/andersson/tqftpserv FWIW, as of today, the tqftpserv implementation is missing a few headers (so it doesn't even build), and once I hack things such that it can build, it still doesn't work for me (whereas the closed source version does). I see some BYE and DEL_CLIENT messages, but no read requests. I don't think that qualifies as an open source implementation. Brian > Changes in V3: > Addressed review comments from v2 version. > Removed msa-size from dt binding and added reference to reserved-memory/reserved-memory.txt. > > Changes in V2: > Removed qmi client driver and integrated qmi client handshakes in snoc platform driver. > Addressed comments on v1 version. > Switched to ath10k bdf download infra(board-2.bin) > Added MSA fixed region support to support unload use-case. > Unified logging. > > Testing: > Tested all qmi handshakes, driver load/unload and STA/SAP sanity testing. > Tested HW: SDM845(WCN3990) > Tested FW: WLAN.HL.2.0-01192-QCAHLSWMTPLZ-1 > > > Govind Singh (5): > ath10k: Add qmi service helpers for wcn3990 qmi client > dt: bindings: add bindings for msa memory region > firmware: qcom: scm: Add WLAN VMID for Qualcomm SCM interface > ath10k: Add debug mask for QMI layer > ath10k: Add QMI message handshake for wcn3990 client > > Rakesh Pillai (1): > ath10k: Add support to create boardname for non-bmi target > > .../bindings/net/wireless/qcom,ath10k.txt | 13 + > drivers/net/wireless/ath/ath10k/Kconfig | 1 + > drivers/net/wireless/ath/ath10k/Makefile | 4 +- > drivers/net/wireless/ath/ath10k/core.c | 14 +- > drivers/net/wireless/ath/ath10k/core.h | 4 + > drivers/net/wireless/ath/ath10k/debug.h | 1 + > drivers/net/wireless/ath/ath10k/qmi.c | 1021 ++++++++ > drivers/net/wireless/ath/ath10k/qmi.h | 129 + > .../net/wireless/ath/ath10k/qmi_wlfw_v01.c | 2072 +++++++++++++++++ > .../net/wireless/ath/ath10k/qmi_wlfw_v01.h | 677 ++++++ > drivers/net/wireless/ath/ath10k/snoc.c | 215 +- > drivers/net/wireless/ath/ath10k/snoc.h | 4 + > include/linux/qcom_scm.h | 4 +- > 13 files changed, 4148 insertions(+), 11 deletions(-) > create mode 100644 drivers/net/wireless/ath/ath10k/qmi.c > create mode 100644 drivers/net/wireless/ath/ath10k/qmi.h > create mode 100644 drivers/net/wireless/ath/ath10k/qmi_wlfw_v01.c > create mode 100644 drivers/net/wireless/ath/ath10k/qmi_wlfw_v01.h > > -- > 2.17.0 >
