drm/xe/pf: Add support for encap/decap of bitstream to/from packet

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Add debugfs handlers for migration state and handle bitstream
.read()/.write() to convert from bitstream to/from migration data
packets.
As descriptor/trailer are handled at this layer - add handling for both
save and restore side.

Reviewed-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Link: https://patch.msgid.link/20251112132220.516975-8-michal.winiarski@intel.com
Signed-off-by: Michał Winiarski <michal.winiarski@intel.com>

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This commit is contained in:

Michał Winiarski 2025-11-12 14:22:03 +01:00

parent 644a699e69

commit 1ed30397c0

7 changed files with 474 additions and 0 deletions

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293

drivers/gpu/drm/xe/xe_sriov_packet.c

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6

drivers/gpu/drm/xe/xe_sriov_packet.h

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5

drivers/gpu/drm/xe/xe_sriov_pf_control.c

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35

drivers/gpu/drm/xe/xe_sriov_pf_debugfs.c

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121

drivers/gpu/drm/xe/xe_sriov_pf_migration.c

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5

drivers/gpu/drm/xe/xe_sriov_pf_migration.h

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9

drivers/gpu/drm/xe/xe_sriov_pf_migration_types.h

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