Messages in this thread | | | Subject | Re: [PATCH v5 0/3] Add SSIF BMC driver | From | Quan Nguyen <> | Date | Fri, 16 Jul 2021 09:47:53 +0700 |
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On 16/07/2021 06:32, Corey Minyard wrote: > On Wed, Jul 14, 2021 at 10:38:30AM +0700, Quan Nguyen wrote: >> This series add support the SSIF BMC driver which is to perform in-band >> IPMI communication with their host in management (BMC) side. >> >> SSIF BMC driver in this series is tested with Aspeed AST2500. > > Ok, I have queued this and added Rob's review. Five versions, you had > to work for this one :). > > Thanks, > > -corey > Thank you very much for your help in these version :) - Quan
>> >> v5: >> + Correct the patches order to fix the bisect issue found by >> kernel build robot >> >> v4: >> + Fix recursive spinlock [Graeme] >> + Send response with Completion code 0xFF when aborting [Quan] >> + Fix warning with dt_binding_check [Rob] >> + Change aspeed-ssif-bmc.yaml to ssif-bmc.yaml [Quan] >> + Added bounding check on SMBus writes and the whole request [Dan] >> + Moved buffer to end of struct ssif_bmc_ctx to avoid context >> corruption if somehow buffer is written past the end [Dan] >> + Return -EINVAL if userspace buffer too small, dont >> silence truncate [Corey, Joel] >> + Not necessary to check NONBLOCK in lock [Corey] >> + Enforce one user at a time [Joel] >> + Reject write with invalid response length from userspace [Corey] >> + Add state machines for better ssif bmc state handling [Quan] >> + Drop ssif_bmc_aspeed.c and make ssif_bmc.c is generic >> SSIF BMC driver [Quan] >> + Change compatible string "aspeed,ast2500-ssif-bmc" to >> "ampere,ssif-bmc" [Quan] >> + Toggle Slave enable in i2c-aspeed to turn on/off slave mode [Ryan] >> + Added slave_enable() to struct i2c_algorithm to control >> slave mode and to address the recursive spinlock [Graeme, Ryan] >> + Abort current request with invalid SMBus write or >> invalid command [Quan] >> + Abort all request if there is pending response [Quan] >> + Changed validate_pec() to validate_request() [Quan] >> + Add unsupported_smbus_cmd() to handle unknown SMBus command [Quan] >> + Print internal state string for ease investigating issue [Quan] >> + Move to READY state on SLAVE_STOP event [Quan] >> + Change initilize_transfer() to process_smbus_cmd() [Quan] >> + Introduce functions for each slave event [Quan] >> >> v3: >> + Switched binding doc to use DT schema format [Rob] >> + Splited into generic ssif_bmc and aspeed-specific [Corey, Joel] >> + Removed redundant license info [Joel] >> + Switched to use traditional if-else [Joel] >> + Removed unused ssif_bmc_ioctl() [Joel] >> + Made handle_request()/complete_response() to return void [Joel] >> + Refactored send_ssif_bmc_response()/receive_ssif_bmc_request() >> [Corey] >> + Remove mutex [Corey] >> + Use spin_lock/unlock_irqsave/restore in callback [Corey] >> + Removed the unnecessary memset [Corey] >> + Switch to use dev_err() [Corey] >> + Combine mask/unmask two interrupts together [Corey] >> + Fixed unhandled Tx done with NAK [Quan] >> + Late ack'ed Tx done w/wo Ack irq [Quan] >> + Use aspeed-specific exported aspeed_set_slave_busy() when slave busy >> to fix the deadlock [Graeme, Philipp, Quan] >> + Clean buffer for last multipart read [Quan] >> + Handle unknown incoming command [Quan] >> >> v2: >> + Fixed compiling error with COMPILE_TEST for arc >> >> Quan Nguyen (3): >> i2c: aspeed: Add slave_enable() to toggle slave mode >> ipmi: ssif_bmc: Add SSIF BMC driver >> bindings: ipmi: Add binding for SSIF BMC driver >> >> .../devicetree/bindings/ipmi/ssif-bmc.yaml | 38 + >> drivers/char/ipmi/Kconfig | 11 + >> drivers/char/ipmi/Makefile | 1 + >> drivers/char/ipmi/ssif_bmc.c | 781 ++++++++++++++++++ >> drivers/char/ipmi/ssif_bmc.h | 106 +++ >> drivers/i2c/busses/i2c-aspeed.c | 20 + >> include/linux/i2c.h | 2 + >> 7 files changed, 959 insertions(+) >> create mode 100644 Documentation/devicetree/bindings/ipmi/ssif-bmc.yaml >> create mode 100644 drivers/char/ipmi/ssif_bmc.c >> create mode 100644 drivers/char/ipmi/ssif_bmc.h >> >> -- >> 2.28.0 >>
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