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2022-07-15firmware: stratix10-svc: fix kernel-doc warningDinh Nguyen1-1/+2
include/linux/firmware/intel/stratix10-svc-client.h:55: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst * Flag bit for COMMAND_RECONFIG Fixes: 4a4709d470e6 ("firmware: stratix10-svc: add new FCS commands") Signed-off-by: Dinh Nguyen <[email protected]> Reported-by: Stephen Rothwell <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Greg Kroah-Hartman <[email protected]>
2022-07-14firmware: stratix10-svc: To support a command ATF Get VersionAng Tien Sung2-0/+23
We are to support a new SMC Command of hexadecimal 0x200 that returns the ATF Firmware major and minor version. Signed-off-by: Ang Tien Sung <[email protected]> Signed-off-by: Dinh Nguyen <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Greg Kroah-Hartman <[email protected]>
2022-07-14firmware: stratix10-svc: extend svc to support RSU featureKah Jing Lee2-0/+25
Extend Intel Stratix10 service layer driver to support new RSU DCMF status reporting. The status of each DCMF is reported. The currently used DCMF is used as reference, while the other three are compared against it to determine if they are corrupted. DCMF = Decision Configuration Management Firmware RSU = Remote System Update Signed-off-by: Radu Bacrau <[email protected]> Signed-off-by: Ang Tien Sung <[email protected]> Signed-off-by: Kah Jing Lee <[email protected]> Signed-off-by: Dinh Nguyen <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Greg Kroah-Hartman <[email protected]>
2022-07-14firmware: stratix10-svc: add new FCS commandsAng Tien Sung2-4/+148
Extending the fpga svc driver to support 6 new FPGA Crypto Service(FCS) commands. We are adding FCS SDOS data encryption and decryption, random number generator, image validation request, reading the data provision and certificate validation. Signed-off-by: Ang Tien Sung <[email protected]> Signed-off-by: Dinh Nguyen <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Greg Kroah-Hartman <[email protected]>
2022-07-14firmware: stratix10-svc: add FCS polling commandAng Tien Sung2-0/+30
Introduce a new SMC command INTEL_SIP_SMC_FUNCID_SERVICE_COMPLETED that polls if a previous asynchronous command was completed. This SMC command is used by the new FPGA Crypto Service (FCS). A basic example is that the FCS sends an AES data encryption call to the secure device manager(SDM) and waits for the completion of the operation by continuously polling the results with the new command. Signed-off-by: Ang Tien Sung <[email protected]> Signed-off-by: Dinh Nguyen <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Greg Kroah-Hartman <[email protected]>
2022-07-14firmware: stratix10-svc: Add support for FCSAng Tien Sung1-0/+1
Extend Intel service layer driver to support FPGA Crypto service(FCS) features on Intel Soc platforms. Adding an additional channel and FCS platform driver ("intel_fcs") as part of the probe method. FCS driver uses the driver to send crypto operations' commands to the secure device manager(SDM) on Intel Soc platforms Stratix10 and Agilex. Signed-off-by: Ang Tien Sung <[email protected]> Signed-off-by: Dinh Nguyen <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Greg Kroah-Hartman <[email protected]>
2022-02-25firmware: stratix10-svc: extend SVC driver to get the firmware versionRichard Gong2-2/+23
Extend Intel service layer driver to get the firmware version running at FPGA device. Therefore FPGA manager driver, one of Intel service layer driver's client, can decide whether to handle the newly added bitstream authentication function based on the retrieved firmware version. Link: https://lore.kernel.org/lkml/[email protected] Acked-by: Moritz Fischr <[email protected]> Signed-off-by: Richard Gong <[email protected]> Signed-off-by: Dinh Nguyen <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Greg Kroah-Hartman <[email protected]>
2021-03-18firmware: stratix10-svc: reset COMMAND_RECONFIG_FLAG_PARTIAL to 0Richard Gong1-1/+1
Clean up COMMAND_RECONFIG_FLAG_PARTIAL flag by resetting it to 0, which aligns with the firmware settings. Fixes: 36847f9e3e56 ("firmware: stratix10-svc: correct reconfig flag and timeout values") Signed-off-by: Richard Gong <[email protected]> Reviewed-by: Tom Rix <[email protected]> Signed-off-by: Moritz Fischer <[email protected]>
2021-01-21firmware: stratix10-svc: fix kernel-doc markupsMauro Carvalho Chehab1-5/+5
There are some common comments marked, instead, with kernel-doc notation, which won't work. While here, rename an identifier, in order to match the function prototype below kernel-doc markup. Acked-by: Richard Gong <[email protected]> Signed-off-by: Mauro Carvalho Chehab <[email protected]> Link: https://lore.kernel.org/r/02a1eb47767e01e875d8840805b8b2d4f3c6bdee.1610610937.git.mchehab+huawei@kernel.org Signed-off-by: Jonathan Corbet <[email protected]>
2020-07-02firmware: stratix10-svc: extend svc to support new RSU featuresRichard Gong2-0/+51
Extend Intel Stratix10 service layer driver to support new RSU DCMF versions and max retry parameter. DCMF = Decision Configuration Management Firmware. The max retry parameter is the maximum times the images is allowed to reload itself before giving up and starting RSU failover flow. Signed-off-by: Richard Gong <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Greg Kroah-Hartman <[email protected]>
2020-07-02firmware: stratix10-svc: correct reconfig flag and timeout valuesRichard Gong1-5/+4
Correct the incorrect flag value for COMMAND_RECONFIG_FLAG_PARTIAL and increase FPGA reconfig timeout values so that Intel service layer and FPGA manager drivers can work with all versions of firmware. Signed-off-by: Richard Gong <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Greg Kroah-Hartman <[email protected]>
2020-04-28firmware: fpga: replace the error codes with the standard onesRichard Gong2-69/+51
The Intel service layer driver has defined error codes for the specific services, which started from FPGA configuration then RSU (Remote Status Update). Intel service layer driver should define the standard error codes rather than keep adding more error codes for the new services. The standard error codes will be used by all the clients of Intel service layer driver. Replace FPGA and RSU specific error codes with Intel service layer’s Common error codes. Signed-off-by: Richard Gong <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Greg Kroah-Hartman <[email protected]>
2019-11-14firmware: Fix incompatible function behavior for RSU driverRichard Gong1-0/+8
The older versions of remote system update (RSU) firmware don't support retry and notify features then the kernel module dies when it queries the RSU retry counter or performs notify operation. Update the Intel service layer and RSU drivers to be compatible with all versions of RSU firmware. Reported-by: Radu Barcau <[email protected]> Reported-by: kbuild test robot <[email protected]> Signed-off-by: Richard Gong <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Greg Kroah-Hartman <[email protected]>
2019-09-04firmware: stratix10-svc: extend svc to support new RSU featuresRichard Gong2-7/+55
Extend Intel Stratix10 service layer driver to support new RSU notify and MAX_RETRY with watchdog event. RSU is used to provide our customers with protection against loading bad bitstream onto their devices when those devices are booting from flash RSU notifies provides users with an API to notify the firmware of the state of hard processor system. To deal with watchdog event, RSU provides a way for user to retry the current running image several times before giving up and starting normal RSU failover flow. Signed-off-by: Richard Gong <[email protected]> Reviewed-by: Alan Tull <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Greg Kroah-Hartman <[email protected]>
2019-04-02EDAC/altera, firmware/intel: Add Stratix10 ECC DBE SMC callThor Thayer1-0/+19
Reserve ECC Double Bit Error SMC call to alert U-Boot that a DBE has occurred. Move the call from local EDAC header file to a common header. [ bp: Merge the two patches. ] Signed-off-by: Thor Thayer <[email protected]> Signed-off-by: Borislav Petkov <[email protected]> Reviewed-by: Richard Gong <[email protected]> Reviewed-by: Alan Tull <[email protected]> # firmware Cc: Greg KH <[email protected]> Cc: James Morse <[email protected]> Cc: linux-edac <[email protected]> Cc: [email protected] Link: https://lkml.kernel.org/r/[email protected] Signed-off-by: Borislav Petkov <[email protected]>
2018-11-26firmware: add remote status update client supportRichard Gong2-2/+65
Extend Intel Stratix10 service layer to support the second service layer client, Remote Status Update (RSU). RSU is used to provide our customers with protection against loading bad bitstreams onto their devices when those devices are booting from flash. Signed-off-by: Richard Gong <[email protected]> Signed-off-by: Alan Tull <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2018-11-26firmware: add Intel Stratix10 service layer driverRichard Gong2-0/+466
Some features of the Intel Stratix10 SoC require a level of privilege higher than the kernel is granted. Such secure features include FPGA programming. In terms of the ARMv8 architecture, the kernel runs at Exception Level 1 (EL1), access to the features requires Exception Level 3 (EL3). The Intel Stratix10 SoC service layer provides an in kernel API for drivers to request access to the secure features. The requests are queued and processed one by one. ARM’s SMCCC is used to pass the execution of the requests on to a secure monitor (EL3). The header file stratix10-sve-client.h defines the interface between service providers (FPGA manager is one of them) and service layer. The header file stratix10-smc.h defines the secure monitor call (SMC) message protocols used for service layer driver in normal world (EL1) to communicate with secure monitor SW in secure monitor exception level 3 (EL3). Signed-off-by: Richard Gong <[email protected]> Signed-off-by: Alan Tull <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
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