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/rk3399_ARM-atf/include/lib/psci/
H A Dpsci.h606b7430077c15695a5b3bcfbad4975f00c9bf95 Wed Sep 14 20:18:17 UTC 2022 Wing Li <wingers@google.com> feat(psci): add support for OS-initiated mode

This patch adds a `psci_validate_state_coordination` function that is
called by `psci_cpu_suspend_start` in OS-initiated mode.

This function validates the request per sections 4.2.3.2, 5.4.5, and 6.3
of the PSCI spec (DEN0022D.b):
- The requested power states are consistent with the system's state
- The calling core is the last running core at the requested power level

This function differs from `psci_do_state_coordination` in that:
- The `psci_req_local_pwr_states` map is not modified if the request
were to be denied
- The `state_info` argument is never modified since it contains the
power states requested by the calling OS

This is conditionally compiled into the build depending on the value of
the `PSCI_OS_INIT_MODE` build option.

Change-Id: I667041c842d2856e9d128c98db4d5ae4e4552df3
Signed-off-by: Wing Li <wingers@google.com>
/rk3399_ARM-atf/lib/psci/
H A Dpsci_main.c606b7430077c15695a5b3bcfbad4975f00c9bf95 Wed Sep 14 20:18:17 UTC 2022 Wing Li <wingers@google.com> feat(psci): add support for OS-initiated mode

This patch adds a `psci_validate_state_coordination` function that is
called by `psci_cpu_suspend_start` in OS-initiated mode.

This function validates the request per sections 4.2.3.2, 5.4.5, and 6.3
of the PSCI spec (DEN0022D.b):
- The requested power states are consistent with the system's state
- The calling core is the last running core at the requested power level

This function differs from `psci_do_state_coordination` in that:
- The `psci_req_local_pwr_states` map is not modified if the request
were to be denied
- The `state_info` argument is never modified since it contains the
power states requested by the calling OS

This is conditionally compiled into the build depending on the value of
the `PSCI_OS_INIT_MODE` build option.

Change-Id: I667041c842d2856e9d128c98db4d5ae4e4552df3
Signed-off-by: Wing Li <wingers@google.com>
H A Dpsci_private.h606b7430077c15695a5b3bcfbad4975f00c9bf95 Wed Sep 14 20:18:17 UTC 2022 Wing Li <wingers@google.com> feat(psci): add support for OS-initiated mode

This patch adds a `psci_validate_state_coordination` function that is
called by `psci_cpu_suspend_start` in OS-initiated mode.

This function validates the request per sections 4.2.3.2, 5.4.5, and 6.3
of the PSCI spec (DEN0022D.b):
- The requested power states are consistent with the system's state
- The calling core is the last running core at the requested power level

This function differs from `psci_do_state_coordination` in that:
- The `psci_req_local_pwr_states` map is not modified if the request
were to be denied
- The `state_info` argument is never modified since it contains the
power states requested by the calling OS

This is conditionally compiled into the build depending on the value of
the `PSCI_OS_INIT_MODE` build option.

Change-Id: I667041c842d2856e9d128c98db4d5ae4e4552df3
Signed-off-by: Wing Li <wingers@google.com>
H A Dpsci_suspend.c606b7430077c15695a5b3bcfbad4975f00c9bf95 Wed Sep 14 20:18:17 UTC 2022 Wing Li <wingers@google.com> feat(psci): add support for OS-initiated mode

This patch adds a `psci_validate_state_coordination` function that is
called by `psci_cpu_suspend_start` in OS-initiated mode.

This function validates the request per sections 4.2.3.2, 5.4.5, and 6.3
of the PSCI spec (DEN0022D.b):
- The requested power states are consistent with the system's state
- The calling core is the last running core at the requested power level

This function differs from `psci_do_state_coordination` in that:
- The `psci_req_local_pwr_states` map is not modified if the request
were to be denied
- The `state_info` argument is never modified since it contains the
power states requested by the calling OS

This is conditionally compiled into the build depending on the value of
the `PSCI_OS_INIT_MODE` build option.

Change-Id: I667041c842d2856e9d128c98db4d5ae4e4552df3
Signed-off-by: Wing Li <wingers@google.com>
H A Dpsci_common.c606b7430077c15695a5b3bcfbad4975f00c9bf95 Wed Sep 14 20:18:17 UTC 2022 Wing Li <wingers@google.com> feat(psci): add support for OS-initiated mode

This patch adds a `psci_validate_state_coordination` function that is
called by `psci_cpu_suspend_start` in OS-initiated mode.

This function validates the request per sections 4.2.3.2, 5.4.5, and 6.3
of the PSCI spec (DEN0022D.b):
- The requested power states are consistent with the system's state
- The calling core is the last running core at the requested power level

This function differs from `psci_do_state_coordination` in that:
- The `psci_req_local_pwr_states` map is not modified if the request
were to be denied
- The `state_info` argument is never modified since it contains the
power states requested by the calling OS

This is conditionally compiled into the build depending on the value of
the `PSCI_OS_INIT_MODE` build option.

Change-Id: I667041c842d2856e9d128c98db4d5ae4e4552df3
Signed-off-by: Wing Li <wingers@google.com>