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24 #include "kfd_events.h"
25 #include "soc15_int.h"
28 static bool event_interrupt_isr_v9(struct kfd_dev *dev,
29 const uint32_t *ih_ring_entry)
31 uint16_t source_id, client_id, pasid, vmid;
32 const uint32_t *data = ih_ring_entry;
34 /* Only handle interrupts from KFD VMIDs */
35 vmid = SOC15_VMID_FROM_IH_ENTRY(ih_ring_entry);
36 if (vmid < dev->vm_info.first_vmid_kfd ||
37 vmid > dev->vm_info.last_vmid_kfd)
40 /* If there is no valid PASID, it's likely a firmware bug */
41 pasid = SOC15_PASID_FROM_IH_ENTRY(ih_ring_entry);
42 if (WARN_ONCE(pasid == 0, "FW bug: No PASID in KFD interrupt"))
45 source_id = SOC15_SOURCE_ID_FROM_IH_ENTRY(ih_ring_entry);
46 client_id = SOC15_CLIENT_ID_FROM_IH_ENTRY(ih_ring_entry);
48 pr_debug("client id 0x%x, source id %d, pasid 0x%x. raw data:\n",
49 client_id, source_id, pasid);
50 pr_debug("%8X, %8X, %8X, %8X, %8X, %8X, %8X, %8X.\n",
51 data[0], data[1], data[2], data[3],
52 data[4], data[5], data[6], data[7]);
54 /* Interrupt types we care about: various signals and faults.
55 * They will be forwarded to a work queue (see below).
57 return source_id == SOC15_INTSRC_CP_END_OF_PIPE ||
58 source_id == SOC15_INTSRC_SDMA_TRAP ||
59 source_id == SOC15_INTSRC_SQ_INTERRUPT_MSG ||
60 source_id == SOC15_INTSRC_CP_BAD_OPCODE;
63 static void event_interrupt_wq_v9(struct kfd_dev *dev,
64 const uint32_t *ih_ring_entry)
66 uint16_t source_id, client_id, pasid, vmid;
69 source_id = SOC15_SOURCE_ID_FROM_IH_ENTRY(ih_ring_entry);
70 client_id = SOC15_CLIENT_ID_FROM_IH_ENTRY(ih_ring_entry);
71 pasid = SOC15_PASID_FROM_IH_ENTRY(ih_ring_entry);
72 vmid = SOC15_VMID_FROM_IH_ENTRY(ih_ring_entry);
73 context_id = SOC15_CONTEXT_ID0_FROM_IH_ENTRY(ih_ring_entry);
75 if (source_id == SOC15_INTSRC_CP_END_OF_PIPE)
76 kfd_signal_event_interrupt(pasid, context_id, 32);
77 else if (source_id == SOC15_INTSRC_SDMA_TRAP)
78 kfd_signal_event_interrupt(pasid, context_id & 0xfffffff, 28);
79 else if (source_id == SOC15_INTSRC_SQ_INTERRUPT_MSG)
80 kfd_signal_event_interrupt(pasid, context_id & 0xffffff, 24);
81 else if (source_id == SOC15_INTSRC_CP_BAD_OPCODE)
82 kfd_signal_hw_exception_event(pasid);
83 else if (client_id == SOC15_IH_CLIENTID_VMC ||
84 client_id == SOC15_IH_CLIENTID_UTCL2) {
89 const struct kfd_event_interrupt_class event_interrupt_class_v9 = {
90 .interrupt_isr = event_interrupt_isr_v9,
91 .interrupt_wq = event_interrupt_wq_v9,