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# SPDX-License-Identifier: MIT
import bisect, time
from .object import GPUObject, GPUAllocator
from .initdata import build_initdata
from .channels import *
from .event import GPUEventManager
from ..proxy import IODEV
from ..malloc import Heap
from ..hw.uat import UAT, MemoryAttr
from ..hw.agx import *
from ..fw.agx import AGXASC
from ..fw.agx.channels import ChannelInfoSet, ChannelInfo
class AGXChannels:
pass
class AGXQueue:
pass
class AGX:
PAGE_SIZE = 0x4000
MAX_EVENTS = 128
def __init__(self, u):
self.start_time = time.time()
self.u = u
self.p = u.proxy
self.iface = u.iface
self.show_stats = False
self.asc_dev = u.adt["/arm-io/gfx-asc"]
self.sgx_dev = u.adt["/arm-io/sgx"]
self.sgx = SGXRegs(u, self.sgx_dev.get_reg(0)[0])
self.log("Initializing allocations")
self.aic_base = u.adt["/arm-io/aic"].get_reg(0)[0]
self.all_objects = {}
self.tracked_objects = {}
# Memory areas
self.fw_va_base = self.sgx_dev.rtkit_private_vm_region_base
self.fw_va_size = self.sgx_dev.rtkit_private_vm_region_size
self.kern_va_base = self.fw_va_base + self.fw_va_size
# Set up UAT
self.uat = UAT(self.u.iface, self.u)
# Allocator for RTKit/ASC objects
self.uat.allocator = Heap(self.kern_va_base + 0x80000000,
self.kern_va_base + 0x81000000,
self.PAGE_SIZE)
self.asc = AGXASC(self.u, self.asc_dev.get_reg(0)[0], self, self.uat)
self.asc.verbose = 0
self.asc.mgmt.verbose = 0
self.kobj = GPUAllocator(self, "kernel",
self.kern_va_base, 0x10000000,
AttrIndex=MemoryAttr.Shared, AP=1, guard_pages=4)
self.cmdbuf = GPUAllocator(self, "cmdbuf",
self.kern_va_base + 0x10000000, 0x10000000,
AttrIndex=MemoryAttr.Shared, AP=0, guard_pages=4)
self.kshared = GPUAllocator(self, "kshared",
self.kern_va_base + 0x20000000, 0x10000000,
AttrIndex=MemoryAttr.Shared, AP=1, guard_pages=4)
self.kshared2 = GPUAllocator(self, "kshared2",
self.kern_va_base + 0x30000000, 0x100000,
AttrIndex=MemoryAttr.Shared, AP=0, PXN=1, guard_pages=4)
self.io_allocator = Heap(self.kern_va_base + 0x38000000,
self.kern_va_base + 0x40000000,
block=self.PAGE_SIZE)
self.mon = None
self.event_mgr = GPUEventManager(self)
self.p.iodev_set_usage(IODEV.FB, 0)
self.initdata_hook = None
# Early init, needed?
self.poke_sgx()
def poke_sgx(self):
self.sgx_base = self.sgx_dev.get_reg(0)[0]
self.p.read32(self.sgx_base + 0xd14000)
self.p.write32(self.sgx_base + 0xd14000, 0x70001)
def find_object(self, addr, ctx=0):
all_objects = list(self.all_objects.items())
all_objects.sort()
idx = bisect.bisect_left(all_objects, ((ctx, addr + 1), "")) - 1
if idx < 0 or idx >= len(all_objects):
return None, None
(ctx, base), obj = all_objects[idx]
return base, obj
def reg_object(self, obj, track=True):
self.all_objects[(obj._ctx, obj._addr)] = obj
if track:
if self.mon is not None:
obj.add_to_mon(self.mon)
self.tracked_objects[(obj._ctx, obj._addr)] = obj
def unreg_object(self, obj):
del self.all_objects[(obj._ctx, obj._addr)]
if obj._addr in self.tracked_objects:
del self.tracked_objects[(obj._ctx, obj._addr)]
def poll_objects(self):
for obj in self.tracked_objects.values():
diff = obj.poll()
if diff is not None:
self.log(diff)
def alloc_channels(self, cls, name, channel_id, count=1, ring_size=0x100, rx=False):
# All channels have 0x100 items
item_count = ring_size
item_size = cls.item_size
ring_size = item_count * item_size
self.log(f"Allocating {count} channel(s) for {name} ({item_count} * {item_size:#x} bytes each)")
state_obj = self.kshared.new_buf(0x30 * count, f"Channel.{name}.state", track=False)
if rx:
ring_buf = self.kshared.new_buf(ring_size * count, f"Channel.{name}.ring", track=False)
else:
ring_buf = self.kobj.new_buf(ring_size * count, f"Channel.{name}.ring", track=False)
info = ChannelInfo()
info.state_addr = state_obj._addr
info.ringbuffer_addr = ring_buf._addr
if name == "FWCtl":
self.fwctl_chinfo = info
else:
setattr(self.ch_info, name, info)
return [cls(self, name + ("" if count == 1 else f"[{i}]"), channel_id,
state_obj._paddr + 0x30 * i,
ring_buf._paddr + ring_size * i, item_count)
for i in range(count)]
def init_channels(self):
self.log("Initializing channels...")
self.ch_info = ChannelInfoSet()
self.ch = AGXChannels()
self.ch.queue = []
# Command queue submission channels
for index in range(4):
queue = AGXQueue()
self.ch.queue.append(queue)
for typeid, chtype in enumerate(("TA", "3D", "CL")):
name = f"{chtype}_{index}"
chan = self.alloc_channels(GPUCmdQueueChannel, name,
(index << 2) | typeid)[0]
setattr(queue, "q_" + chtype, chan)
# Device control channel
self.ch.devctrl = self.alloc_channels(GPUDeviceControlChannel, "DevCtrl", 0x11)[0]
# GPU -> CPU channels
self.ch.event = self.alloc_channels(GPUEventChannel, "Event", None, rx=True)[0]
self.ch.log = self.alloc_channels(GPULogChannel, "FWLog", None, 6, rx=True)
self.ch.ktrace = self.alloc_channels(GPUKTraceChannel, "KTrace", None, ring_size=0x200, rx=True)[0]
self.ch.stats = self.alloc_channels(GPUStatsChannel, "Stats", None, rx=True)[0]
self.ch.fwctl = self.alloc_channels(GPUFWCtlChannel, "FWCtl", None, rx=False)[0]
# For some reason, the FWLog channels have their rings in a different place...
self.fwlog_ring = self.ch_info.FWLog.ringbuffer_addr
self.ch_info.FWLog.ringbuffer_addr = self.kshared.buf(0x150000, "FWLog_Dummy")
def poll_channels(self):
for chan in self.ch.log:
chan.poll()
self.ch.ktrace.poll()
if self.show_stats:
self.ch.stats.poll()
self.ch.event.poll()
def kick_firmware(self):
self.asc.db.doorbell(0x10)
def show_irqs(self):
hw_state = self.aic_base + 0x4200
irqs = []
for irq in self.sgx_dev.interrupts:
v = int(bool((self.p.read32(hw_state + (irq // 32) * 4) & (1 << (irq % 32)))))
irqs.append(v)
self.log(f' SGX IRQ state: {irqs}')
def timeout(self, msg):
if self.mon:
self.mon.poll()
self.poll_objects()
self.log(msg)
self.log(r' (\________/) ')
self.log(r' | | ')
self.log(r"'.| \ , / |.'")
self.log(r'--| / (( \ |--')
self.log(r".'| _-_- |'.")
self.log(r' |________| ')
self.log(r'')
self.log(r' Timeout nya~!!!!!')
self.log(r'')
self.log(f' Stamp index: {int(msg.stamp_index)}')
self.show_pending_stamps()
self.log(f' Fault info:')
self.log(self.initdata.regionC.fault_info)
self.show_irqs()
self.check_fault()
self.recover()
def faulted(self, msg):
if self.mon:
self.mon.poll()
self.poll_objects()
self.log(msg)
self.log(r' (\________/) ')
self.log(r' | | ')
self.log(r"'.| \ , / |.'")
self.log(r'--| / (( \ |--')
self.log(r".'| _-_- |'.")
self.log(r' |________| ')
self.log(r'')
self.log(r' Fault nya~!!!!!')
self.log(r'')
self.show_pending_stamps()
self.log(f' Fault info:')
self.log(self.initdata.regionC.fault_info)
self.show_irqs()
self.check_fault()
self.recover()
def show_pending_stamps(self):
self.initdata.regionC.pull()
self.log(f' Pending stamps:')
for i in self.initdata.regionC.pending_stamps:
if i.info or i.wait_value:
self.log(f" - #{i.info >> 3:3d}: {i.info & 0x7}/{i.wait_value:#x}")
i.info = 0
i.wait_value = 0
tmp = i.regmap()
tmp.info.val = 0
tmp.wait_value.val = 0
#self.initdata.regionC.push()
def check_fault(self):
fault_info = self.sgx.FAULT_INFO.reg
if fault_info.value == 0xacce5515abad1dea:
raise Exception("Got fault notification, but fault address is unreadable")
self.log(f" Fault info: {fault_info}")
if not fault_info.FAULTED:
return
fault_addr = fault_info.ADDR
if fault_addr & 0x8000000000:
fault_addr |= 0xffffff8000000000
base, obj = self.find_object(fault_addr)
info = ""
if obj is not None:
info = f" ({obj!s} + {fault_addr - base:#x})"
self.log(f" GPU fault at {fault_addr:#x}{info}")
self.log(f" Faulting unit: {agx_decode_unit(fault_info.UNIT)}")
def recover(self):
status = self.fw_status
self.log(f" Halt count: {status.halt_count.val}")
halted = bool(status.halted.val)
self.log(f" Halted: {halted}")
if halted:
self.log(f" Attempting recovery...")
status.halted.val = 0
status.resume.val = 1
else:
raise Exception("Cannot recover")
self.show_irqs()
def resume(self):
self.log("Starting ASC")
self.asc.start()
self.log("Starting endpoints")
self.asc.start_ep(0x20)
self.asc.start_ep(0x21)
def start(self):
self.resume()
self.init_channels()
self.log("Building initdata")
self.initdata = build_initdata(self)
if self.initdata_hook:
self.initdata_hook(self)
self.fw_status = self.initdata.fw_status.regmap()
self.uat.flush_dirty()
self.log("Sending initdata")
self.asc.fw.send_initdata(self.initdata._addr & 0xfff_ffffffff)
self.asc.work()
self.log("Sending DC_Init")
self.ch.devctrl.send_init()
self.asc.work()
self.log("Sending DC_UpdateIdleTS")
self.ch.devctrl.update_idle_ts()
self.asc.work()
def stop(self):
self.asc.stop()
def work(self):
self.asc.work()
def wait_for_events(self, timeout=1.0):
now = time.time()
deadline = now + timeout
cnt = self.event_mgr.event_count
while now < deadline and self.event_mgr.event_count == cnt:
self.asc.work()
now = time.time()
if self.event_mgr.event_count == cnt:
raise Exception("Timed out waiting for events")
def log(self, msg):
t = time.time() - self.start_time
print(f"[AGX][{t:10.03f}] " + str(msg))
|
