From e1fa724dd17a6a9b9934636226e683912d12c876 Mon Sep 17 00:00:00 2001 From: Ofir Bitton Date: Wed, 6 Jan 2021 15:40:37 +0200 Subject: 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 Reviewed-by: Oded Gabbay Signed-off-by: Oded Gabbay --- drivers/misc/habanalabs/common/habanalabs.h | 3 +++ drivers/misc/habanalabs/common/habanalabs_ioctl.c | 2 ++ drivers/misc/habanalabs/gaudi/gaudi.c | 2 ++ drivers/misc/habanalabs/goya/goya.c | 2 ++ 4 files changed, 9 insertions(+) (limited to 'drivers') 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; -- cgit v1.2.3