On Fri, Mar 10, 2023 at 03:19:43PM -0600, Mario Limonciello wrote: > The i2c-designware-amdpsp driver communicates with a platform > features mailbox provided by the PSP. The address used for > communication is discovered via a non-architecturally > guaranteed mechanism. > > To better scale, export a feature for communication with platform > features directly from the ccp driver. > > v3->v4 > Drop the ACPI ID as result of confirmation with internal team. > Future platforms should use doorbell, so will treat Cezanne as quirk > and assume doorbell going forward. > > Mario Limonciello (8): > crypto: ccp: Drop TEE support for IRQ handler > crypto: ccp: Add a header for multiple drivers to use `__psp_pa` > crypto: ccp: Move some PSP mailbox bit definitions into common header > crypto: ccp: Add support for an interface for platform features > crypto: ccp: Enable platform access interface on client PSP parts > i2c: designware: Use PCI PSP driver for communication > crypto: ccp: Add support for ringing a platform doorbell > i2c: designware: Add doorbell support for Skyrim > > arch/x86/kvm/svm/sev.c | 1 + > drivers/crypto/ccp/Makefile | 3 +- > drivers/crypto/ccp/platform-access.c | 232 ++++++++++++++++++++ > drivers/crypto/ccp/platform-access.h | 35 +++ > drivers/crypto/ccp/psp-dev.c | 32 +-- > drivers/crypto/ccp/psp-dev.h | 11 +- > drivers/crypto/ccp/sev-dev.c | 16 +- > drivers/crypto/ccp/sev-dev.h | 2 +- > drivers/crypto/ccp/sp-dev.h | 10 + > drivers/crypto/ccp/sp-pci.c | 9 + > drivers/crypto/ccp/tee-dev.c | 17 +- > drivers/i2c/busses/Kconfig | 2 +- > drivers/i2c/busses/i2c-designware-amdpsp.c | 188 ++++------------ > drivers/i2c/busses/i2c-designware-core.h | 1 - > drivers/i2c/busses/i2c-designware-platdrv.c | 1 - > drivers/tee/amdtee/call.c | 2 +- > drivers/tee/amdtee/shm_pool.c | 2 +- > include/linux/psp-platform-access.h | 65 ++++++ > include/linux/psp-sev.h | 8 - > include/linux/psp.h | 29 +++ > 20 files changed, 461 insertions(+), 205 deletions(-) > create mode 100644 drivers/crypto/ccp/platform-access.c > create mode 100644 drivers/crypto/ccp/platform-access.h > create mode 100644 include/linux/psp-platform-access.h > create mode 100644 include/linux/psp.h > > -- > 2.34.1 Patches 1-5 and 7 applied. Thanks. -- Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
