diff options
| author | Bharat Jauhari <bjauhari@habana.ai> | 2021-09-08 17:32:54 +0300 |
|---|---|---|
| committer | Oded Gabbay <ogabbay@kernel.org> | 2021-12-26 08:59:05 +0200 |
| commit | d4194f21400e9b2caef2d48c63ec5ef102eead22 (patch) | |
| tree | 072fe556c9b9b7086ae400d088f17109a72dabb0 /drivers/misc/habanalabs | |
| parent | 792512459fb2a62a5ea08264a0cdfb7e46a391a9 (diff) | |
| download | linux-d4194f21400e9b2caef2d48c63ec5ef102eead22.tar.bz2 | |
habanalabs: refactor wait-for-user-interrupt function
Refactor the wait-for-user-interrupt routine to make it more
generic for re-use for other user exposed h/w interfaces in future
ASICs.
Signed-off-by: Bharat Jauhari <bjauhari@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/command_submission.c | 22 |
1 files changed, 8 insertions, 14 deletions
diff --git a/drivers/misc/habanalabs/common/command_submission.c b/drivers/misc/habanalabs/common/command_submission.c index 54a5425a77a0..e97b21988dea 100644 --- a/drivers/misc/habanalabs/common/command_submission.c +++ b/drivers/misc/habanalabs/common/command_submission.c @@ -2782,12 +2782,12 @@ static inline unsigned long hl_usecs64_to_jiffies(const u64 usecs) static int _hl_interrupt_wait_ioctl(struct hl_device *hdev, struct hl_ctx *ctx, u64 timeout_us, u64 user_address, - u64 target_value, u16 interrupt_offset, + u64 target_value, struct hl_user_interrupt *interrupt, + u32 *status, u64 *timestamp) { struct hl_user_pending_interrupt *pend; - struct hl_user_interrupt *interrupt; unsigned long timeout, flags; u64 completion_value; long completion_rc; @@ -2805,11 +2805,6 @@ static int _hl_interrupt_wait_ioctl(struct hl_device *hdev, struct hl_ctx *ctx, hl_fence_init(&pend->fence, ULONG_MAX); - if (interrupt_offset == HL_COMMON_USER_INTERRUPT_ID) - interrupt = &hdev->common_user_interrupt; - else - interrupt = &hdev->user_interrupt[interrupt_offset]; - /* Add pending user interrupt to relevant list for the interrupt * handler to monitor */ @@ -2898,9 +2893,10 @@ remove_pending_user_interrupt: static int hl_interrupt_wait_ioctl(struct hl_fpriv *hpriv, void *data) { - u16 interrupt_id, interrupt_offset, first_interrupt, last_interrupt; + u16 interrupt_id, first_interrupt, last_interrupt; struct hl_device *hdev = hpriv->hdev; struct asic_fixed_properties *prop; + struct hl_user_interrupt *interrupt; union hl_wait_cs_args *args = data; u32 status = HL_WAIT_CS_STATUS_BUSY; u64 timestamp; @@ -2913,8 +2909,7 @@ static int hl_interrupt_wait_ioctl(struct hl_fpriv *hpriv, void *data) return -EPERM; } - interrupt_id = - FIELD_GET(HL_WAIT_CS_FLAGS_INTERRUPT_MASK, args->in.flags); + interrupt_id = FIELD_GET(HL_WAIT_CS_FLAGS_INTERRUPT_MASK, args->in.flags); first_interrupt = prop->first_available_user_msix_interrupt; last_interrupt = prop->first_available_user_msix_interrupt + @@ -2927,15 +2922,14 @@ static int hl_interrupt_wait_ioctl(struct hl_fpriv *hpriv, void *data) } if (interrupt_id == HL_COMMON_USER_INTERRUPT_ID) - interrupt_offset = HL_COMMON_USER_INTERRUPT_ID; + interrupt = &hdev->common_user_interrupt; else - interrupt_offset = interrupt_id - first_interrupt; + interrupt = &hdev->user_interrupt[interrupt_id - first_interrupt]; rc = _hl_interrupt_wait_ioctl(hdev, hpriv->ctx, args->in.interrupt_timeout_us, args->in.addr, - args->in.target, interrupt_offset, &status, + args->in.target, interrupt, &status, ×tamp); - if (rc) { if (rc != -EINTR) dev_err_ratelimited(hdev->dev, |