diff options
| author | Ofir Bitton <obitton@habana.ai> | 2021-01-06 16:40:37 +0300 |
|---|---|---|
| committer | Oded Gabbay <ogabbay@kernel.org> | 2021-01-27 22:03:50 +0300 |
| commit | e1fa724dd17a6a9b9934636226e683912d12c876 (patch) | |
| tree | fde8b655ce068d33e66ec30cbbf094589b8499c0 /drivers/misc/habanalabs | |
| parent | 8d79ce162e2b9bc57d8dca814f784654efe179da (diff) | |
| download | linux-e1fa724dd17a6a9b9934636226e683912d12c876.tar.xz | |
habanalabs: add user available interrupt to hw_ip
In order to support completions that arrive directly to the user,
the driver needs to supply the user with the first available msix
interrupt available.
Signed-off-by: Ofir Bitton <obitton@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
Diffstat (limited to 'drivers/misc/habanalabs')
| -rw-r--r-- | drivers/misc/habanalabs/common/habanalabs.h | 3 | ||||
| -rw-r--r-- | drivers/misc/habanalabs/common/habanalabs_ioctl.c | 2 | ||||
| -rw-r--r-- | drivers/misc/habanalabs/gaudi/gaudi.c | 2 | ||||
| -rw-r--r-- | drivers/misc/habanalabs/goya/goya.c | 2 |
4 files changed, 9 insertions, 0 deletions
diff --git a/drivers/misc/habanalabs/common/habanalabs.h b/drivers/misc/habanalabs/common/habanalabs.h index 3923b03e99aa..ce1a1e70a6d5 100644 --- a/drivers/misc/habanalabs/common/habanalabs.h +++ b/drivers/misc/habanalabs/common/habanalabs.h @@ -408,6 +408,8 @@ struct hl_mmu_properties { * @sync_stream_first_mon: first monitor available for sync stream use * @first_available_user_sob: first sob available for the user * @first_available_user_mon: first monitor available for the user + * @first_available_user_msix_interrupt: first available msix interrupt + * reserved for the user * @tpc_enabled_mask: which TPCs are enabled. * @completion_queues_count: number of completion queues. * @fw_security_disabled: true if security measures are disabled in firmware, @@ -469,6 +471,7 @@ struct asic_fixed_properties { u16 sync_stream_first_mon; u16 first_available_user_sob[HL_MAX_DCORES]; u16 first_available_user_mon[HL_MAX_DCORES]; + u16 first_available_user_msix_interrupt; u8 tpc_enabled_mask; u8 completion_queues_count; u8 fw_security_disabled; diff --git a/drivers/misc/habanalabs/common/habanalabs_ioctl.c b/drivers/misc/habanalabs/common/habanalabs_ioctl.c index dfac5c8cadb3..628bdc56dca3 100644 --- a/drivers/misc/habanalabs/common/habanalabs_ioctl.c +++ b/drivers/misc/habanalabs/common/habanalabs_ioctl.c @@ -90,6 +90,8 @@ static int hw_ip_info(struct hl_device *hdev, struct hl_info_args *args) hw_ip.psoc_pci_pll_od = prop->psoc_pci_pll_od; hw_ip.psoc_pci_pll_div_factor = prop->psoc_pci_pll_div_factor; + hw_ip.first_available_interrupt_id = + prop->first_available_user_msix_interrupt; return copy_to_user(out, &hw_ip, min((size_t)size, sizeof(hw_ip))) ? -EFAULT : 0; } diff --git a/drivers/misc/habanalabs/gaudi/gaudi.c b/drivers/misc/habanalabs/gaudi/gaudi.c index 2b01c081404a..69b3867bc151 100644 --- a/drivers/misc/habanalabs/gaudi/gaudi.c +++ b/drivers/misc/habanalabs/gaudi/gaudi.c @@ -527,6 +527,8 @@ static int gaudi_get_fixed_properties(struct hl_device *hdev) prop->sync_stream_first_mon + (num_sync_stream_queues * HL_RSVD_MONS); + prop->first_available_user_msix_interrupt = USHRT_MAX; + /* disable fw security for now, set it in a later stage */ prop->fw_security_disabled = true; prop->fw_security_status_valid = false; diff --git a/drivers/misc/habanalabs/goya/goya.c b/drivers/misc/habanalabs/goya/goya.c index 50dcefc02cdd..82f69274def7 100644 --- a/drivers/misc/habanalabs/goya/goya.c +++ b/drivers/misc/habanalabs/goya/goya.c @@ -455,6 +455,8 @@ int goya_get_fixed_properties(struct hl_device *hdev) prop->max_pending_cs = GOYA_MAX_PENDING_CS; + prop->first_available_user_msix_interrupt = USHRT_MAX; + /* disable fw security for now, set it in a later stage */ prop->fw_security_disabled = true; prop->fw_security_status_valid = false; |