diff options
author | Oded Gabbay <oded.gabbay@gmail.com> | 2019-08-28 21:51:52 +0300 |
---|---|---|
committer | Oded Gabbay <oded.gabbay@gmail.com> | 2019-09-05 14:55:27 +0300 |
commit | e9730763a21a5441d46511f124d703d76a5ef6e6 (patch) | |
tree | deef505ba53d06f1e410ea003be55aaa274de603 /drivers/misc | |
parent | 75b3cb2bb080372d043e8f0c0aeae8f52461136b (diff) | |
download | linux-e9730763a21a5441d46511f124d703d76a5ef6e6.tar.xz |
habanalabs: add uapi to retrieve aggregate H/W events
Add a new opcode to INFO IOCTL to retrieve aggregate H/W events. i.e. the
events counters are NOT cleared upon device reset, but count from the
loading of the driver.
Add the code to support it in the device event handling function.
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
Reviewed-by: Omer Shpigelman <oshpigelman@habana.ai>
Diffstat (limited to 'drivers/misc')
-rw-r--r-- | drivers/misc/habanalabs/goya/goya.c | 9 | ||||
-rw-r--r-- | drivers/misc/habanalabs/goya/goyaP.h | 3 | ||||
-rw-r--r-- | drivers/misc/habanalabs/habanalabs.h | 3 | ||||
-rw-r--r-- | drivers/misc/habanalabs/habanalabs_ioctl.c | 11 |
4 files changed, 19 insertions, 7 deletions
diff --git a/drivers/misc/habanalabs/goya/goya.c b/drivers/misc/habanalabs/goya/goya.c index 0dd0b4429fee..1267ec75b19f 100644 --- a/drivers/misc/habanalabs/goya/goya.c +++ b/drivers/misc/habanalabs/goya/goya.c @@ -4469,6 +4469,7 @@ void goya_handle_eqe(struct hl_device *hdev, struct hl_eq_entry *eq_entry) struct goya_device *goya = hdev->asic_specific; goya->events_stat[event_type]++; + goya->events_stat_aggregate[event_type]++; switch (event_type) { case GOYA_ASYNC_EVENT_ID_PCIE_IF: @@ -4550,12 +4551,16 @@ void goya_handle_eqe(struct hl_device *hdev, struct hl_eq_entry *eq_entry) } } -void *goya_get_events_stat(struct hl_device *hdev, u32 *size) +void *goya_get_events_stat(struct hl_device *hdev, bool aggregate, u32 *size) { struct goya_device *goya = hdev->asic_specific; - *size = (u32) sizeof(goya->events_stat); + if (aggregate) { + *size = (u32) sizeof(goya->events_stat_aggregate); + return goya->events_stat_aggregate; + } + *size = (u32) sizeof(goya->events_stat); return goya->events_stat; } diff --git a/drivers/misc/habanalabs/goya/goyaP.h b/drivers/misc/habanalabs/goya/goyaP.h index d7f48c9c41cd..f830cfd5c04d 100644 --- a/drivers/misc/habanalabs/goya/goyaP.h +++ b/drivers/misc/habanalabs/goya/goyaP.h @@ -162,6 +162,7 @@ struct goya_device { u64 ddr_bar_cur_addr; u32 events_stat[GOYA_ASYNC_EVENT_ID_SIZE]; + u32 events_stat_aggregate[GOYA_ASYNC_EVENT_ID_SIZE]; u32 hw_cap_initialized; u8 device_cpu_mmu_mappings_done; }; @@ -215,7 +216,7 @@ int goya_suspend(struct hl_device *hdev); int goya_resume(struct hl_device *hdev); void goya_handle_eqe(struct hl_device *hdev, struct hl_eq_entry *eq_entry); -void *goya_get_events_stat(struct hl_device *hdev, u32 *size); +void *goya_get_events_stat(struct hl_device *hdev, bool aggregate, u32 *size); void goya_add_end_of_cb_packets(struct hl_device *hdev, u64 kernel_address, u32 len, u64 cq_addr, u32 cq_val, u32 msix_vec); diff --git a/drivers/misc/habanalabs/habanalabs.h b/drivers/misc/habanalabs/habanalabs.h index 23b86b7f9732..aa7aaa710f12 100644 --- a/drivers/misc/habanalabs/habanalabs.h +++ b/drivers/misc/habanalabs/habanalabs.h @@ -558,7 +558,8 @@ struct hl_asic_funcs { struct hl_eq_entry *eq_entry); void (*set_pll_profile)(struct hl_device *hdev, enum hl_pll_frequency freq); - void* (*get_events_stat)(struct hl_device *hdev, u32 *size); + void* (*get_events_stat)(struct hl_device *hdev, bool aggregate, + u32 *size); u64 (*read_pte)(struct hl_device *hdev, u64 addr); void (*write_pte)(struct hl_device *hdev, u64 addr, u64 val); void (*mmu_invalidate_cache)(struct hl_device *hdev, bool is_hard); diff --git a/drivers/misc/habanalabs/habanalabs_ioctl.c b/drivers/misc/habanalabs/habanalabs_ioctl.c index f958568f7996..66d9c710073c 100644 --- a/drivers/misc/habanalabs/habanalabs_ioctl.c +++ b/drivers/misc/habanalabs/habanalabs_ioctl.c @@ -75,7 +75,8 @@ static int hw_ip_info(struct hl_device *hdev, struct hl_info_args *args) min((size_t)size, sizeof(hw_ip))) ? -EFAULT : 0; } -static int hw_events_info(struct hl_device *hdev, struct hl_info_args *args) +static int hw_events_info(struct hl_device *hdev, bool aggregate, + struct hl_info_args *args) { u32 size, max_size = args->return_size; void __user *out = (void __user *) (uintptr_t) args->return_pointer; @@ -84,7 +85,7 @@ static int hw_events_info(struct hl_device *hdev, struct hl_info_args *args) if ((!max_size) || (!out)) return -EINVAL; - arr = hdev->asic_funcs->get_events_stat(hdev, &size); + arr = hdev->asic_funcs->get_events_stat(hdev, aggregate, &size); return copy_to_user(out, arr, min(max_size, size)) ? -EFAULT : 0; } @@ -251,7 +252,7 @@ static int _hl_info_ioctl(struct hl_fpriv *hpriv, void *data, switch (args->op) { case HL_INFO_HW_EVENTS: - rc = hw_events_info(hdev, args); + rc = hw_events_info(hdev, false, args); break; case HL_INFO_DRAM_USAGE: @@ -266,6 +267,10 @@ static int _hl_info_ioctl(struct hl_fpriv *hpriv, void *data, rc = device_utilization(hdev, args); break; + case HL_INFO_HW_EVENTS_AGGREGATE: + rc = hw_events_info(hdev, true, args); + break; + default: dev_err(dev, "Invalid request %d\n", args->op); rc = -ENOTTY; |