[Intel-gfx] [RFC-v23 00/13] Introduce Intel PXP component - Mesa single session
Lionel Landwerlin
lionel.g.landwerlin at intel.com
Mon Jan 25 15:38:22 UTC 2021
Okay, if the get_param is too much at the point, can we at least have a
define to reflect that this is a special number from the kernel?
Thanks,
-Lionel
On 23/01/2021 23:47, Gaurav, Kumar wrote:
> Yes, this should not be problem since MESA is already using MI_SET_APPID with app_id 0xf.
>
> I proposed this earlier but I was told that MESA team will not be comfortable in querying app_id or session_states.
> Although check for proper session_state should be part of context robustness check.
>
> -----Original Message-----
> From: Lionel Landwerlin <lionel.g.landwerlin at intel.com>
> Sent: Saturday, January 23, 2021 6:19 AM
> To: Huang, Sean Z <sean.z.huang at intel.com>; Intel-gfx at lists.freedesktop.org
> Cc: Gaurav, Kumar <kumar.gaurav at intel.com>; Lahtinen, Joonas <joonas.lahtinen at intel.com>; Joonas Lahtinen <joonas.lahtinen at linux.intel.com>; Ekstrand, Jason <jason.ekstrand at intel.com>
> Subject: Re: [Intel-gfx] [RFC-v23 00/13] Introduce Intel PXP component - Mesa single session
>
> Hi,
>
> One of the thing that came up during UMD review is that the default session ID is actually uAPI :
> https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/8064#note_776201
> Could we expose it through a get_param on the context?
>
> Thanks,
>
> -Lionel
>
> On 19/01/2021 09:43, Huang, Sean Z wrote:
>> PXP (Protected Xe Path) is an i915 component, available on
>> GEN12+ that helps to establish the hardware protected session
>> and manage the status of the alive software session, as well as its
>> life cycle.
>>
>> This patch series is to allow the kernel space to create and manage a
>> single hardware session (a.k.a. default session or arbitrary session).
>> So user can allocate the protected buffer, which is encrypted with the
>> leverage of the arbitrary hardware session.
>>
>>
>> rev23:
>> #09, #12
>> - Require user space to explicitly set recoverable flag to
>> false for protected context creation.
>>
>> #13
>> - Add Cc of reviewers in commit message.
>>
>>
>> Anshuman Gupta (1):
>> drm/i915/pxp: Add plane decryption support
>>
>> Bommu Krishnaiah (2):
>> drm/i915/uapi: introduce drm_i915_gem_create_ext
>> drm/i915/pxp: User interface for Protected buffer
>>
>> Huang, Sean Z (9):
>> drm/i915/pxp: Introduce Intel PXP component
>> drm/i915/pxp: set KCR reg init during the boot time
>> drm/i915/pxp: Implement funcs to create the TEE channel
>> drm/i915/pxp: Create the arbitrary session after boot
>> drm/i915/pxp: Func to send hardware session termination
>> drm/i915/pxp: Enable PXP irq worker and callback stub
>> drm/i915/pxp: Destroy arb session upon teardown
>> drm/i915/pxp: Enable PXP power management
>> drm/i915/pxp: Expose session state for display protection flip
>>
>> Vitaly Lubart (1):
>> mei: pxp: export pavp client to me client bus
>>
>> drivers/gpu/drm/i915/Kconfig | 21 ++
>> drivers/gpu/drm/i915/Makefile | 9 +
>> drivers/gpu/drm/i915/display/intel_sprite.c | 21 +-
>> drivers/gpu/drm/i915/gem/i915_gem_context.c | 13 +
>> drivers/gpu/drm/i915/gem/i915_gem_context.h | 5 +
>> .../gpu/drm/i915/gem/i915_gem_context_types.h | 2 +
>> drivers/gpu/drm/i915/gem/i915_gem_create.c | 68 +++++-
>> .../gpu/drm/i915/gem/i915_gem_object_types.h | 5 +
>> drivers/gpu/drm/i915/gt/intel_gt.c | 5 +
>> drivers/gpu/drm/i915/gt/intel_gt_irq.c | 14 ++
>> drivers/gpu/drm/i915/gt/intel_gt_pm.c | 4 +
>> drivers/gpu/drm/i915/gt/intel_gt_types.h | 3 +
>> drivers/gpu/drm/i915/i915_drv.c | 7 +-
>> drivers/gpu/drm/i915/i915_drv.h | 6 +
>> drivers/gpu/drm/i915/i915_reg.h | 2 +
>> drivers/gpu/drm/i915/pxp/intel_pxp.c | 193 +++++++++++++++
>> drivers/gpu/drm/i915/pxp/intel_pxp.h | 70 ++++++
>> drivers/gpu/drm/i915/pxp/intel_pxp_arb.c | 208 ++++++++++++++++
>> drivers/gpu/drm/i915/pxp/intel_pxp_arb.h | 17 ++
>> drivers/gpu/drm/i915/pxp/intel_pxp_cmd.c | 223 +++++++++++++++++
>> drivers/gpu/drm/i915/pxp/intel_pxp_cmd.h | 19 ++
>> drivers/gpu/drm/i915/pxp/intel_pxp_context.c | 28 +++
>> drivers/gpu/drm/i915/pxp/intel_pxp_context.h | 15 ++
>> drivers/gpu/drm/i915/pxp/intel_pxp_pm.c | 65 +++++
>> drivers/gpu/drm/i915/pxp/intel_pxp_pm.h | 31 +++
>> drivers/gpu/drm/i915/pxp/intel_pxp_tee.c | 202 +++++++++++++++
>> drivers/gpu/drm/i915/pxp/intel_pxp_tee.h | 17 ++
>> drivers/gpu/drm/i915/pxp/intel_pxp_types.h | 38 +++
>> drivers/misc/mei/Kconfig | 2 +
>> drivers/misc/mei/Makefile | 1 +
>> drivers/misc/mei/pxp/Kconfig | 13 +
>> drivers/misc/mei/pxp/Makefile | 7 +
>> drivers/misc/mei/pxp/mei_pxp.c | 230 ++++++++++++++++++
>> drivers/misc/mei/pxp/mei_pxp.h | 18 ++
>> include/drm/i915_component.h | 1 +
>> include/drm/i915_pxp_tee_interface.h | 45 ++++
>> include/uapi/drm/i915_drm.h | 66 +++++
>> 37 files changed, 1686 insertions(+), 8 deletions(-)
>> create mode 100644 drivers/gpu/drm/i915/pxp/intel_pxp.c
>> create mode 100644 drivers/gpu/drm/i915/pxp/intel_pxp.h
>> create mode 100644 drivers/gpu/drm/i915/pxp/intel_pxp_arb.c
>> create mode 100644 drivers/gpu/drm/i915/pxp/intel_pxp_arb.h
>> create mode 100644 drivers/gpu/drm/i915/pxp/intel_pxp_cmd.c
>> create mode 100644 drivers/gpu/drm/i915/pxp/intel_pxp_cmd.h
>> create mode 100644 drivers/gpu/drm/i915/pxp/intel_pxp_context.c
>> create mode 100644 drivers/gpu/drm/i915/pxp/intel_pxp_context.h
>> create mode 100644 drivers/gpu/drm/i915/pxp/intel_pxp_pm.c
>> create mode 100644 drivers/gpu/drm/i915/pxp/intel_pxp_pm.h
>> create mode 100644 drivers/gpu/drm/i915/pxp/intel_pxp_tee.c
>> create mode 100644 drivers/gpu/drm/i915/pxp/intel_pxp_tee.h
>> create mode 100644 drivers/gpu/drm/i915/pxp/intel_pxp_types.h
>> create mode 100644 drivers/misc/mei/pxp/Kconfig
>> create mode 100644 drivers/misc/mei/pxp/Makefile
>> create mode 100644 drivers/misc/mei/pxp/mei_pxp.c
>> create mode 100644 drivers/misc/mei/pxp/mei_pxp.h
>> create mode 100644 include/drm/i915_pxp_tee_interface.h
>>
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