5bd75403be
* remotes/origin/tmp-f686d9f:
ANDROID: update abi_gki_aarch64.xml for 5.2-rc6
Linux 5.2-rc6
Revert "iommu/vt-d: Fix lock inversion between iommu->lock and device_domain_lock"
Bluetooth: Fix regression with minimum encryption key size alignment
tcp: refine memory limit test in tcp_fragment()
x86/vdso: Prevent segfaults due to hoisted vclock reads
SUNRPC: Fix a credential refcount leak
Revert "SUNRPC: Declare RPC timers as TIMER_DEFERRABLE"
net :sunrpc :clnt :Fix xps refcount imbalance on the error path
NFS4: Only set creation opendata if O_CREAT
ANDROID: gki_defconfig: workaround to enable configs
ANDROID: gki_defconfig: more configs for partners
ARM: 8867/1: vdso: pass --be8 to linker if necessary
KVM: nVMX: reorganize initial steps of vmx_set_nested_state
KVM: PPC: Book3S HV: Invalidate ERAT when flushing guest TLB entries
habanalabs: use u64_to_user_ptr() for reading user pointers
nfsd: replace Jeff by Chuck as nfsd co-maintainer
inet: clear num_timeout reqsk_alloc()
PCI/P2PDMA: Ignore root complex whitelist when an IOMMU is present
net: mvpp2: debugfs: Add pmap to fs dump
ipv6: Default fib6_type to RTN_UNICAST when not set
net: hns3: Fix inconsistent indenting
net/af_iucv: always register net_device notifier
net/af_iucv: build proper skbs for HiperTransport
net/af_iucv: remove GFP_DMA restriction for HiperTransport
doc: fix documentation about UIO_MEM_LOGICAL using
MAINTAINERS / Documentation: Thorsten Scherer is the successor of Gavin Schenk
docs: fb: Add TER16x32 to the available font names
MAINTAINERS: fpga: hand off maintainership to Moritz
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 507
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KVM: arm/arm64: Fix emulated ptimer irq injection
net: dsa: mv88e6xxx: fix shift of FID bits in mv88e6185_g1_vtu_loadpurge()
tests: kvm: Check for a kernel warning
kvm: tests: Sort tests in the Makefile alphabetically
KVM: x86/mmu: Allocate PAE root array when using SVM's 32-bit NPT
KVM: x86: Modify struct kvm_nested_state to have explicit fields for data
fanotify: update connector fsid cache on add mark
quota: fix a problem about transfer quota
drm/i915: Don't clobber M/N values during fastset check
powerpc: enable a 30-bit ZONE_DMA for 32-bit pmac
ovl: make i_ino consistent with st_ino in more cases
scsi: qla2xxx: Fix hardlockup in abort command during driver remove
scsi: ufs: Avoid runtime suspend possibly being blocked forever
scsi: qedi: update driver version to 8.37.0.20
scsi: qedi: Check targetname while finding boot target information
hvsock: fix epollout hang from race condition
net/udp_gso: Allow TX timestamp with UDP GSO
net: netem: fix use after free and double free with packet corruption
net: netem: fix backlog accounting for corrupted GSO frames
net: lio_core: fix potential sign-extension overflow on large shift
tipc: pass tunnel dev as NULL to udp_tunnel(6)_xmit_skb
ip6_tunnel: allow not to count pkts on tstats by passing dev as NULL
ip_tunnel: allow not to count pkts on tstats by setting skb's dev to NULL
apparmor: reset pos on failure to unpack for various functions
apparmor: enforce nullbyte at end of tag string
apparmor: fix PROFILE_MEDIATES for untrusted input
RDMA/efa: Handle mmap insertions overflow
tun: wake up waitqueues after IFF_UP is set
drm: return -EFAULT if copy_to_user() fails
net: remove duplicate fetch in sock_getsockopt
tipc: fix issues with early FAILOVER_MSG from peer
bnx2x: Check if transceiver implements DDM before access
xhci: detect USB 3.2 capable host controllers correctly
usb: xhci: Don't try to recover an endpoint if port is in error state.
KVM: fix typo in documentation
drm/panfrost: Make sure a BO is only unmapped when appropriate
md: fix for divide error in status_resync
soc: ixp4xx: npe: Fix an IS_ERR() vs NULL check in probe
arm64/mm: don't initialize pgd_cache twice
MAINTAINERS: Update my email address
arm64/sve: <uapi/asm/ptrace.h> should not depend on <uapi/linux/prctl.h>
ovl: fix typo in MODULE_PARM_DESC
ovl: fix bogus -Wmaybe-unitialized warning
ovl: don't fail with disconnected lower NFS
mmc: core: Prevent processing SDIO IRQs when the card is suspended
mmc: sdhci: sdhci-pci-o2micro: Correctly set bus width when tuning
brcmfmac: sdio: Don't tune while the card is off
mmc: core: Add sdio_retune_hold_now() and sdio_retune_release()
brcmfmac: sdio: Disable auto-tuning around commands expected to fail
mmc: core: API to temporarily disable retuning for SDIO CRC errors
Revert "brcmfmac: disable command decode in sdio_aos"
ARM: ixp4xx: include irqs.h where needed
ARM: ixp4xx: mark ixp4xx_irq_setup as __init
ARM: ixp4xx: don't select SERIAL_OF_PLATFORM
firmware: trusted_foundations: add ARMv7 dependency
usb: dwc2: Use generic PHY width in params setup
RDMA/efa: Fix success return value in case of error
IB/hfi1: Handle port down properly in pio
IB/hfi1: Handle wakeup of orphaned QPs for pio
IB/hfi1: Wakeup QPs orphaned on wait list after flush
IB/hfi1: Use aborts to trigger RC throttling
IB/hfi1: Create inline to get extended headers
IB/hfi1: Silence txreq allocation warnings
IB/hfi1: Avoid hardlockup with flushlist_lock
KVM: PPC: Book3S HV: Only write DAWR[X] when handling h_set_dawr in real mode
KVM: PPC: Book3S HV: Fix r3 corruption in h_set_dabr()
fs/namespace: fix unprivileged mount propagation
vfs: fsmount: add missing mntget()
cifs: fix GlobalMid_Lock bug in cifs_reconnect
SMB3: retry on STATUS_INSUFFICIENT_RESOURCES instead of failing write
staging: erofs: add requirements field in superblock
arm64: ssbd: explicitly depend on <linux/prctl.h>
block: fix page leak when merging to same page
block: return from __bio_try_merge_page if merging occured in the same page
Btrfs: fix failure to persist compression property xattr deletion on fsync
riscv: remove unused barrier defines
usb: chipidea: udc: workaround for endpoint conflict issue
MAINTAINERS: Change QCOM repo location
mmc: mediatek: fix SDIO IRQ detection issue
mmc: mediatek: fix SDIO IRQ interrupt handle flow
mmc: core: complete HS400 before checking status
riscv: mm: synchronize MMU after pte change
MAINTAINERS: Update my email address to use @kernel.org
ANDROID: update abi_gki_aarch64.xml for 5.2-rc5
riscv: dts: add initial board data for the SiFive HiFive Unleashed
riscv: dts: add initial support for the SiFive FU540-C000 SoC
dt-bindings: riscv: convert cpu binding to json-schema
dt-bindings: riscv: sifive: add YAML documentation for the SiFive FU540
arch: riscv: add support for building DTB files from DT source data
drm/i915/gvt: ignore unexpected pvinfo write
lapb: fixed leak of control-blocks.
tipc: purge deferredq list for each grp member in tipc_group_delete
ax25: fix inconsistent lock state in ax25_destroy_timer
neigh: fix use-after-free read in pneigh_get_next
tcp: fix compile error if !CONFIG_SYSCTL
hv_sock: Suppress bogus "may be used uninitialized" warnings
be2net: Fix number of Rx queues used for flow hashing
net: handle 802.1P vlan 0 packets properly
Linux 5.2-rc5
tcp: enforce tcp_min_snd_mss in tcp_mtu_probing()
tcp: add tcp_min_snd_mss sysctl
tcp: tcp_fragment() should apply sane memory limits
tcp: limit payload size of sacked skbs
Revert "net: phylink: set the autoneg state in phylink_phy_change"
bpf: fix nested bpf tracepoints with per-cpu data
bpf: Fix out of bounds memory access in bpf_sk_storage
vsock/virtio: set SOCK_DONE on peer shutdown
net: dsa: rtl8366: Fix up VLAN filtering
net: phylink: set the autoneg state in phylink_phy_change
powerpc/32: fix build failure on book3e with KVM
powerpc/booke: fix fast syscall entry on SMP
powerpc/32s: fix initial setup of segment registers on secondary CPU
x86/microcode, cpuhotplug: Add a microcode loader CPU hotplug callback
net: add high_order_alloc_disable sysctl/static key
tcp: add tcp_tx_skb_cache sysctl
tcp: add tcp_rx_skb_cache sysctl
sysctl: define proc_do_static_key()
hv_netvsc: Set probe mode to sync
net: sched: flower: don't call synchronize_rcu() on mask creation
net: dsa: fix warning same module names
sctp: Free cookie before we memdup a new one
net: dsa: microchip: Don't try to read stats for unused ports
qmi_wwan: extend permitted QMAP mux_id value range
qmi_wwan: avoid RCU stalls on device disconnect when in QMAP mode
qmi_wwan: add network device usage statistics for qmimux devices
qmi_wwan: add support for QMAP padding in the RX path
bpf, x64: fix stack layout of JITed bpf code
Smack: Restore the smackfsdef mount option and add missing prefixes
bpf, devmap: Add missing RCU read lock on flush
bpf, devmap: Add missing bulk queue free
bpf, devmap: Fix premature entry free on destroying map
ftrace: Fix NULL pointer dereference in free_ftrace_func_mapper()
module: Fix livepatch/ftrace module text permissions race
tracing/uprobe: Fix obsolete comment on trace_uprobe_create()
tracing/uprobe: Fix NULL pointer dereference in trace_uprobe_create()
tracing: Make two symbols static
tracing: avoid build warning with HAVE_NOP_MCOUNT
tracing: Fix out-of-range read in trace_stack_print()
gfs2: Fix rounding error in gfs2_iomap_page_prepare
net: phylink: further mac_config documentation improvements
nfc: Ensure presence of required attributes in the deactivate_target handler
btrfs: start readahead also in seed devices
x86/kasan: Fix boot with 5-level paging and KASAN
cfg80211: report measurement start TSF correctly
cfg80211: fix memory leak of wiphy device name
cfg80211: util: fix bit count off by one
mac80211: do not start any work during reconfigure flow
cfg80211: use BIT_ULL in cfg80211_parse_mbssid_data()
mac80211: only warn once on chanctx_conf being NULL
mac80211: drop robust management frames from unknown TA
gpu: ipu-v3: image-convert: Fix image downsize coefficients
gpu: ipu-v3: image-convert: Fix input bytesperline for packed formats
gpu: ipu-v3: image-convert: Fix input bytesperline width/height align
thunderbolt: Implement CIO reset correctly for Titan Ridge
ARM: davinci: da8xx: specify dma_coherent_mask for lcdc
ARM: davinci: da850-evm: call regulator_has_full_constraints()
timekeeping: Repair ktime_get_coarse*() granularity
Revert "ALSA: hda/realtek - Improve the headset mic for Acer Aspire laptops"
ANDROID: update abi_gki_aarch64.xml
mm/devm_memremap_pages: fix final page put race
PCI/P2PDMA: track pgmap references per resource, not globally
lib/genalloc: introduce chunk owners
PCI/P2PDMA: fix the gen_pool_add_virt() failure path
mm/devm_memremap_pages: introduce devm_memunmap_pages
drivers/base/devres: introduce devm_release_action()
mm/vmscan.c: fix trying to reclaim unevictable LRU page
coredump: fix race condition between collapse_huge_page() and core dumping
mm/mlock.c: change count_mm_mlocked_page_nr return type
mm: mmu_gather: remove __tlb_reset_range() for force flush
fs/ocfs2: fix race in ocfs2_dentry_attach_lock()
mm/vmscan.c: fix recent_rotated history
mm/mlock.c: mlockall error for flag MCL_ONFAULT
scripts/decode_stacktrace.sh: prefix addr2line with $CROSS_COMPILE
mm/list_lru.c: fix memory leak in __memcg_init_list_lru_node
mm: memcontrol: don't batch updates of local VM stats and events
PCI: PM: Skip devices in D0 for suspend-to-idle
ANDROID: Removed extraneous configs from gki
powerpc/bpf: use unsigned division instruction for 64-bit operations
bpf: fix div64 overflow tests to properly detect errors
bpf: sync BPF_FIB_LOOKUP flag changes with BPF uapi
bpf: simplify definition of BPF_FIB_LOOKUP related flags
cifs: add spinlock for the openFileList to cifsInodeInfo
cifs: fix panic in smb2_reconnect
x86/fpu: Don't use current->mm to check for a kthread
KVM: nVMX: use correct clean fields when copying from eVMCS
vfio-ccw: Destroy kmem cache region on module exit
block/ps3vram: Use %llu to format sector_t after LBDAF removal
libata: Extend quirks for the ST1000LM024 drives with NOLPM quirk
bcache: only set BCACHE_DEV_WB_RUNNING when cached device attached
bcache: fix stack corruption by PRECEDING_KEY()
arm64/sve: Fix missing SVE/FPSIMD endianness conversions
blk-mq: remove WARN_ON(!q->elevator) from blk_mq_sched_free_requests
blkio-controller.txt: Remove references to CFQ
block/switching-sched.txt: Update to blk-mq schedulers
null_blk: remove duplicate check for report zone
blk-mq: no need to check return value of debugfs_create functions
io_uring: fix memory leak of UNIX domain socket inode
block: force select mq-deadline for zoned block devices
binder: fix possible UAF when freeing buffer
drm/amdgpu: return 0 by default in amdgpu_pm_load_smu_firmware
drm/amdgpu: Fix bounds checking in amdgpu_ras_is_supported()
ANDROID: x86 gki_defconfig: enable DMA_CMA
ANDROID: Fixed x86 regression
ANDROID: gki_defconfig: enable DMA_CMA
Input: synaptics - enable SMBus on ThinkPad E480 and E580
net: mvpp2: prs: Use the correct helpers when removing all VID filters
net: mvpp2: prs: Fix parser range for VID filtering
mlxsw: spectrum: Disallow prio-tagged packets when PVID is removed
mlxsw: spectrum_buffers: Reduce pool size on Spectrum-2
selftests: tc_flower: Add TOS matching test
mlxsw: spectrum_flower: Fix TOS matching
selftests: mlxsw: Test nexthop offload indication
mlxsw: spectrum_router: Refresh nexthop neighbour when it becomes dead
mlxsw: spectrum: Use different seeds for ECMP and LAG hash
net: tls, correctly account for copied bytes with multiple sk_msgs
vrf: Increment Icmp6InMsgs on the original netdev
cpuset: restore sanity to cpuset_cpus_allowed_fallback()
net: ethtool: Allow matching on vlan DEI bit
linux-next: DOC: RDS: Fix a typo in rds.txt
x86/kgdb: Return 0 from kgdb_arch_set_breakpoint()
mpls: fix af_mpls dependencies for real
selinux: fix a missing-check bug in selinux_sb_eat_lsm_opts()
selinux: fix a missing-check bug in selinux_add_mnt_opt( )
arm64: tlbflush: Ensure start/end of address range are aligned to stride
usb: typec: Make sure an alt mode exist before getting its partner
KVM: arm/arm64: vgic: Fix kvm_device leak in vgic_its_destroy
KVM: arm64: Filter out invalid core register IDs in KVM_GET_REG_LIST
KVM: arm64: Implement vq_present() as a macro
xdp: check device pointer before clearing
bpf: net: Set sk_bpf_storage back to NULL for cloned sk
Btrfs: fix race between block group removal and block group allocation
clocksource/drivers/arm_arch_timer: Don't trace count reader functions
i2c: pca-platform: Fix GPIO lookup code
thunderbolt: Make sure device runtime resume completes before taking domain lock
drm: add fallback override/firmware EDID modes workaround
i2c: acorn: fix i2c warning
arm64: Don't unconditionally add -Wno-psabi to KBUILD_CFLAGS
drm/edid: abstract override/firmware EDID retrieval
platform/mellanox: mlxreg-hotplug: Add devm_free_irq call to remove flow
platform/x86: mlx-platform: Fix parent device in i2c-mux-reg device registration
platform/x86: intel-vbtn: Report switch events when event wakes device
platform/x86: asus-wmi: Only Tell EC the OS will handle display hotkeys from asus_nb_wmi
ARM: mvebu_v7_defconfig: fix Ethernet on Clearfog
x86/resctrl: Prevent NULL pointer dereference when local MBM is disabled
x86/resctrl: Don't stop walking closids when a locksetup group is found
iommu/arm-smmu: Avoid constant zero in TLBI writes
drm/i915/perf: fix whitelist on Gen10+
drm/i915/sdvo: Implement proper HDMI audio support for SDVO
drm/i915: Fix per-pixel alpha with CCS
drm/i915/dmc: protect against reading random memory
drm/i915/dsi: Use a fuzzy check for burst mode clock check
Input: imx_keypad - make sure keyboard can always wake up system
selinux: log raw contexts as untrusted strings
ptrace: restore smp_rmb() in __ptrace_may_access()
IB/hfi1: Correct tid qp rcd to match verbs context
IB/hfi1: Close PSM sdma_progress sleep window
IB/hfi1: Validate fault injection opcode user input
geneve: Don't assume linear buffers in error handler
vxlan: Don't assume linear buffers in error handler
net: openvswitch: do not free vport if register_netdevice() is failed.
net: correct udp zerocopy refcnt also when zerocopy only on append
drm/amdgpu/{uvd,vcn}: fetch ring's read_ptr after alloc
ovl: fix wrong flags check in FS_IOC_FS[SG]ETXATTR ioctls
riscv: Fix udelay in RV32.
drm/vmwgfx: fix a warning due to missing dma_parms
riscv: export pm_power_off again
drm/vmwgfx: Honor the sg list segment size limitation
RISC-V: defconfig: enable clocks, serial console
drm/vmwgfx: Use the backdoor port if the HB port is not available
bpf: lpm_trie: check left child of last leftmost node for NULL
Revert "fuse: require /dev/fuse reads to have enough buffer capacity"
ALSA: ice1712: Check correct return value to snd_i2c_sendbytes (EWS/DMX 6Fire)
ALSA: oxfw: allow PCM capture for Stanton SCS.1m
ALSA: firewire-motu: fix destruction of data for isochronous resources
s390/ctl_reg: mark __ctl_set_bit and __ctl_clear_bit as __always_inline
s390/boot: disable address-of-packed-member warning
ANDROID: update gki aarch64 ABI representation
cgroup: Fix css_task_iter_advance_css_set() cset skip condition
drm/panfrost: Require the simple_ondemand governor
drm/panfrost: make devfreq optional again
drm/gem_shmem: Use a writecombine mapping for ->vaddr
mmc: sdhi: disallow HS400 for M3-W ES1.2, RZ/G2M, and V3H
ASoC: Intel: sst: fix kmalloc call with wrong flags
ASoC: core: Fix deadlock in snd_soc_instantiate_card()
cgroup/bfq: revert bfq.weight symlink change
ARM: dts: am335x phytec boards: Fix cd-gpios active level
ARM: dts: dra72x: Disable usb4_tm target module
nfp: ensure skb network header is set for packet redirect
tcp: fix undo spurious SYNACK in passive Fast Open
mpls: fix af_mpls dependencies
ibmvnic: Fix unchecked return codes of memory allocations
ibmvnic: Refresh device multicast list after reset
ibmvnic: Do not close unopened driver during reset
mpls: fix warning with multi-label encap
net: phy: rename Asix Electronics PHY driver
ipv6: flowlabel: fl6_sock_lookup() must use atomic_inc_not_zero
net: ipv4: fib_semantics: fix uninitialized variable
Input: iqs5xx - get axis info before calling input_mt_init_slots()
Linux 5.2-rc4
drm: panel-orientation-quirks: Add quirk for GPD MicroPC
drm: panel-orientation-quirks: Add quirk for GPD pocket2
counter/ftm-quaddec: Add missing dependencies in Kconfig
staging: iio: adt7316: Fix build errors when GPIOLIB is not set
x86/fpu: Update kernel's FPU state before using for the fsave header
MAINTAINERS: Karthikeyan Ramasubramanian is MIA
i2c: xiic: Add max_read_len quirk
ANDROID: update ABI representation
gpio: pca953x: hack to fix 24 bit gpio expanders
net/mlx5e: Support tagged tunnel over bond
net/mlx5e: Avoid detaching non-existing netdev under switchdev mode
net/mlx5e: Fix source port matching in fdb peer flow rule
net/mlx5e: Replace reciprocal_scale in TX select queue function
net/mlx5e: Add ndo_set_feature for uplink representor
net/mlx5: Avoid reloading already removed devices
net/mlx5: Update pci error handler entries and command translation
RAS/CEC: Convert the timer callback to a workqueue
RAS/CEC: Fix binary search function
x86/mm/KASLR: Compute the size of the vmemmap section properly
can: purge socket error queue on sock destruct
can: flexcan: Remove unneeded registration message
can: af_can: Fix error path of can_init()
can: m_can: implement errata "Needless activation of MRAF irq"
can: mcp251x: add support for mcp25625
dt-bindings: can: mcp251x: add mcp25625 support
can: xilinx_can: use correct bittiming_const for CAN FD core
can: flexcan: fix timeout when set small bitrate
can: usb: Kconfig: Remove duplicate menu entry
lockref: Limit number of cmpxchg loop retries
uaccess: add noop untagged_addr definition
x86/insn-eval: Fix use-after-free access to LDT entry
kbuild: use more portable 'command -v' for cc-cross-prefix
s390/unwind: correct stack switching during unwind
scsi: hpsa: correct ioaccel2 chaining
btrfs: Always trim all unallocated space in btrfs_trim_free_extents
netfilter: ipv6: nf_defrag: accept duplicate fragments again
powerpc/32s: fix booting with CONFIG_PPC_EARLY_DEBUG_BOOTX
drm/meson: fix G12A primary plane disabling
drm/meson: fix primary plane disabling
drm/meson: fix G12A HDMI PLL settings for 4K60 1000/1001 variations
block, bfq: add weight symlink to the bfq.weight cgroup parameter
cgroup: let a symlink too be created with a cftype file
powerpc/64s: __find_linux_pte() synchronization vs pmdp_invalidate()
powerpc/64s: Fix THP PMD collapse serialisation
powerpc: Fix kexec failure on book3s/32
drm/nouveau/secboot/gp10[2467]: support newer FW to fix SEC2 failures on some boards
drm/nouveau/secboot: enable loading of versioned LS PMU/SEC2 ACR msgqueue FW
drm/nouveau/secboot: split out FW version-specific LS function pointers
drm/nouveau/secboot: pass max supported FW version to LS load funcs
drm/nouveau/core: support versioned firmware loading
drm/nouveau/core: pass subdev into nvkm_firmware_get, rather than device
block: free sched's request pool in blk_cleanup_queue
bpf: expand section tests for test_section_names
bpf: more msg_name rewrite tests to test_sock_addr
bpf, bpftool: enable recvmsg attach types
bpf, libbpf: enable recvmsg attach types
bpf: sync tooling uapi header
bpf: fix unconnected udp hooks
vfio/mdev: Synchronize device create/remove with parent removal
vfio/mdev: Avoid creating sysfs remove file on stale device removal
pktgen: do not sleep with the thread lock held.
net: mvpp2: Use strscpy to handle stat strings
net: rds: fix memory leak in rds_ib_flush_mr_pool
ipv6: fix EFAULT on sendto with icmpv6 and hdrincl
ipv6: use READ_ONCE() for inet->hdrincl as in ipv4
soundwire: intel: set dai min and max channels correctly
soundwire: stream: fix bad unlock balance
x86/fpu: Use fault_in_pages_writeable() for pre-faulting
nvme-rdma: use dynamic dma mapping per command
nvme: Fix u32 overflow in the number of namespace list calculation
vfio/mdev: Improve the create/remove sequence
SoC: rt274: Fix internal jack assignment in set_jack callback
ALSA: hdac: fix memory release for SST and SOF drivers
ASoC: SOF: Intel: hda: use the defined ppcap functions
ASoC: core: move DAI pre-links initiation to snd_soc_instantiate_card
ASoC: Intel: cht_bsw_rt5672: fix kernel oops with platform_name override
ASoC: Intel: cht_bsw_nau8824: fix kernel oops with platform_name override
ASoC: Intel: bytcht_es8316: fix kernel oops with platform_name override
ASoC: Intel: cht_bsw_max98090: fix kernel oops with platform_name override
Revert "gfs2: Replace gl_revokes with a GLF flag"
arm64: Silence gcc warnings about arch ABI drift
parisc: Fix crash due alternative coding for NP iopdir_fdc bit
parisc: Use lpa instruction to load physical addresses in driver code
parisc: configs: Remove useless UEVENT_HELPER_PATH
parisc: Use implicit space register selection for loading the coherence index of I/O pdirs
usb: gadget: udc: lpc32xx: fix return value check in lpc32xx_udc_probe()
usb: gadget: dwc2: fix zlp handling
usb: dwc2: Set actual frame number for completed ISOC transfer for none DDMA
usb: gadget: udc: lpc32xx: allocate descriptor with GFP_ATOMIC
usb: gadget: fusb300_udc: Fix memory leak of fusb300->ep[i]
usb: phy: mxs: Disable external charger detect in mxs_phy_hw_init()
usb: dwc2: Fix DMA cache alignment issues
usb: dwc2: host: Fix wMaxPacketSize handling (fix webcam regression)
ARM64: trivial: s/TIF_SECOMP/TIF_SECCOMP/ comment typo fix
drm/komeda: Potential error pointer dereference
drm/komeda: remove set but not used variable 'kcrtc'
x86/CPU: Add more Icelake model numbers
hwmon: (pmbus/core) Treat parameters as paged if on multiple pages
hwmon: (pmbus/core) mutex_lock write in pmbus_set_samples
hwmon: (core) add thermal sensors only if dev->of_node is present
Revert "fib_rules: return 0 directly if an exactly same rule exists when NLM_F_EXCL not supplied"
net: aquantia: fix wol configuration not applied sometimes
ethtool: fix potential userspace buffer overflow
Fix memory leak in sctp_process_init
net: rds: fix memory leak when unload rds_rdma
ipv6: fix the check before getting the cookie in rt6_get_cookie
ipv4: not do cache for local delivery if bc_forwarding is enabled
selftests: vm: Fix test build failure when built by itself
tools: bpftool: Fix JSON output when lookup fails
mmc: also set max_segment_size in the device
mtip32xx: also set max_segment_size in the device
rsxx: don't call dma_set_max_seg_size
nvme-pci: don't limit DMA segement size
s390/qeth: handle error when updating TX queue count
s390/qeth: fix VLAN attribute in bridge_hostnotify udev event
s390/qeth: check dst entry before use
s390/qeth: handle limited IPv4 broadcast in L3 TX path
ceph: fix error handling in ceph_get_caps()
ceph: avoid iput_final() while holding mutex or in dispatch thread
ceph: single workqueue for inode related works
cgroup: css_task_iter_skip()'d iterators must be advanced before accessed
drm/amd/amdgpu: add RLC firmware to support raven1 refresh
drm/amd/powerplay: add set_power_profile_mode for raven1_refresh
drm/amdgpu: fix ring test failure issue during s3 in vce 3.0 (V2)
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lib/test_stackinit: Handle Clang auto-initialization pattern
block: Drop unlikely before IS_ERR(_OR_NULL)
xen/swiotlb: don't initialize swiotlb twice on arm64
s390/mm: fix address space detection in exception handling
HID: logitech-dj: Fix 064d:c52f receiver support
Revert "HID: core: Call request_module before doing device_add"
Revert "HID: core: Do not call request_module() in async context"
Revert "HID: Increase maximum report size allowed by hid_field_extract()"
tests: fix pidfd-test compilation
signal: improve comments
samples: fix pidfd-metadata compilation
arm64: arch_timer: mark functions as __always_inline
arm64: smp: Moved cpu_logical_map[] to smp.h
arm64: cpufeature: Fix missing ZFR0 in __read_sysreg_by_encoding()
selftests/bpf: move test_lirc_mode2_user to TEST_GEN_PROGS_EXTENDED
USB: Fix chipmunk-like voice when using Logitech C270 for recording audio.
USB: usb-storage: Add new ID to ums-realtek
udmabuf: actually unmap the scatterlist
net: fix indirect calls helpers for ptype list hooks.
net: ipvlan: Fix ipvlan device tso disabled while NETIF_F_IP_CSUM is set
scsi: smartpqi: unlock on error in pqi_submit_raid_request_synchronous()
scsi: ufs: Check that space was properly alloced in copy_query_response
udp: only choose unbound UDP socket for multicast when not in a VRF
net/tls: replace the sleeping lock around RX resync with a bit lock
Revert "net/tls: avoid NULL-deref on resync during device removal"
block: aoe: no need to check return value of debugfs_create functions
net: dsa: sja1105: Fix link speed not working at 100 Mbps and below
net: phylink: avoid reducing support mask
scripts/checkstack.pl: Fix arm64 wrong or unknown architecture
kbuild: tar-pkg: enable communication with jobserver
kconfig: tests: fix recursive inclusion unit test
kbuild: teach kselftest-merge to find nested config files
nvmet: fix data_len to 0 for bdev-backed write_zeroes
MAINTAINERS: Hand over skd maintainership
ASoC: sun4i-i2s: Add offset to RX channel select
ASoC: sun4i-i2s: Fix sun8i tx channel offset mask
ASoC: max98090: remove 24-bit format support if RJ is 0
ASoC: da7219: Fix build error without CONFIG_I2C
ASoC: SOF: Intel: hda: Fix COMPILE_TEST build error
drm/arm/hdlcd: Allow a bit of clock tolerance
drm/arm/hdlcd: Actually validate CRTC modes
drm/arm/mali-dp: Add a loop around the second set CVAL and try 5 times
drm/komeda: fixing of DMA mapping sg segment warning
netfilter: ipv6: nf_defrag: fix leakage of unqueued fragments
habanalabs: Read upper bits of trace buffer from RWPHI
arm64: arch_k3: Fix kconfig dependency warning
drm: don't block fb changes for async plane updates
drm/vc4: fix fb references in async update
drm/msm: fix fb references in async update
drm/amd: fix fb references in async update
drm/rockchip: fix fb references in async update
xen-blkfront: switch kcalloc to kvcalloc for large array allocation
drm/mediatek: call mtk_dsi_stop() after mtk_drm_crtc_atomic_disable()
drm/mediatek: clear num_pipes when unbind driver
drm/mediatek: call drm_atomic_helper_shutdown() when unbinding driver
drm/mediatek: unbind components in mtk_drm_unbind()
drm/mediatek: fix unbind functions
net: sfp: read eeprom in maximum 16 byte increments
selftests: set sysctl bc_forwarding properly in router_broadcast.sh
ANDROID: update gki aarch64 ABI representation
net: ethernet: mediatek: Use NET_IP_ALIGN to judge if HW RX_2BYTE_OFFSET is enabled
net: ethernet: mediatek: Use hw_feature to judge if HWLRO is supported
net: ethernet: ti: cpsw_ethtool: fix ethtool ring param set
ANDROID: gki_defconfig: Enable CMA, SLAB_FREELIST (RANDOM and HARDENED) on x86
bpf: udp: Avoid calling reuseport's bpf_prog from udp_gro
bpf: udp: ipv6: Avoid running reuseport's bpf_prog from __udp6_lib_err
rcu: locking and unlocking need to always be at least barriers
ANDROID: gki_defconfig: enable SLAB_FREELIST_RANDOM, SLAB_FREELIST_HARDENED
ANDROID: gki_defconfig: enable CMA and increase CMA_AREAS
ASoC: SOF: fix DSP oops definitions in FW ABI
ASoC: hda: fix unbalanced codec dev refcount for HDA_DEV_ASOC
ASoC: SOF: ipc: replace fw ready bitfield with explicit bit ordering
ASoC: SOF: bump to ABI 3.6
ASoC: SOF: soundwire: add initial soundwire support
ASoC: SOF: uapi: mirror firmware changes
ASoC: Intel: Baytrail: add quirk for Aegex 10 (RU2) tablet
xfs: inode btree scrubber should calculate im_boffset correctly
mmc: sdhci_am654: Fix SLOTTYPE write
usb: typec: ucsi: ccg: fix memory leak in do_flash
ANDROID: update gki aarch64 ABI representation
habanalabs: Fix virtual address access via debugfs for 2MB pages
drm/komeda: Constify the usage of komeda_component/pipeline/dev_funcs
x86/power: Fix 'nosmt' vs hibernation triple fault during resume
mm/vmalloc: Avoid rare case of flushing TLB with weird arguments
mm/vmalloc: Fix calculation of direct map addr range
PM: sleep: Add kerneldoc comments to some functions
drm/i915/gvt: save RING_HEAD into vreg when vgpu switched out
sparc: perf: fix updated event period in response to PERF_EVENT_IOC_PERIOD
mdesc: fix a missing-check bug in get_vdev_port_node_info()
drm/i915/gvt: add F_CMD_ACCESS flag for wa regs
sparc64: Fix regression in non-hypervisor TLB flush xcall
packet: unconditionally free po->rollover
Update my email address
net: hns: Fix loopback test failed at copper ports
Linux 5.2-rc3
net: dsa: mv88e6xxx: avoid error message on remove from VLAN 0
mm, compaction: make sure we isolate a valid PFN
include/linux/generic-radix-tree.h: fix kerneldoc comment
kernel/signal.c: trace_signal_deliver when signal_group_exit
drivers/iommu/intel-iommu.c: fix variable 'iommu' set but not used
spdxcheck.py: fix directory structures
kasan: initialize tag to 0xff in __kasan_kmalloc
z3fold: fix sheduling while atomic
scripts/gdb: fix invocation when CONFIG_COMMON_CLK is not set
mm/gup: continue VM_FAULT_RETRY processing even for pre-faults
ocfs2: fix error path kobject memory leak
memcg: make it work on sparse non-0-node systems
mm, memcg: consider subtrees in memory.events
prctl_set_mm: downgrade mmap_sem to read lock
prctl_set_mm: refactor checks from validate_prctl_map
kernel/fork.c: make max_threads symbol static
arch/arm/boot/compressed/decompress.c: fix build error due to lz4 changes
arch/parisc/configs/c8000_defconfig: remove obsoleted CONFIG_DEBUG_SLAB_LEAK
mm/vmalloc.c: fix typo in comment
lib/sort.c: fix kernel-doc notation warnings
mm: fix Documentation/vm/hmm.rst Sphinx warnings
treewide: fix typos of SPDX-License-Identifier
crypto: ux500 - fix license comment syntax error
MAINTAINERS: add I2C DT bindings to ARM platforms
MAINTAINERS: add DT bindings to i2c drivers
mwifiex: Fix heap overflow in mwifiex_uap_parse_tail_ies()
iwlwifi: mvm: change TLC config cmd sent by rs to be async
iwlwifi: Fix double-free problems in iwl_req_fw_callback()
iwlwifi: fix AX201 killer sku loading firmware issue
iwlwifi: print fseq info upon fw assert
iwlwifi: clear persistence bit according to device family
iwlwifi: fix load in rfkill flow for unified firmware
iwlwifi: mvm: remove d3_sram debugfs file
bpf, riscv: clear high 32 bits for ALU32 add/sub/neg/lsh/rsh/arsh
libbpf: Return btf_fd for load_sk_storage_btf
HID: a4tech: fix horizontal scrolling
HID: hyperv: Add a module description line
net: dsa: sja1105: Don't store frame type in skb->cb
block: print offending values when cloned rq limits are exceeded
blk-mq: Document the blk_mq_hw_queue_to_node() arguments
blk-mq: Fix spelling in a source code comment
block: Fix bsg_setup_queue() kernel-doc header
block: Fix rq_qos_wait() kernel-doc header
block: Fix blk_mq_*_map_queues() kernel-doc headers
block: Fix throtl_pending_timer_fn() kernel-doc header
block: Convert blk_invalidate_devt() header into a non-kernel-doc header
block/partitions/ldm: Convert a kernel-doc header into a non-kernel-doc header
leds: avoid flush_work in atomic context
cgroup: Include dying leaders with live threads in PROCS iterations
cgroup: Implement css_task_iter_skip()
cgroup: Call cgroup_release() before __exit_signal()
netfilter: nf_tables: fix module autoload with inet family
Revert "lockd: Show pid of lockd for remote locks"
ALSA: hda/realtek - Update headset mode for ALC256
fs/adfs: fix filename fixup handling for "/" and "//" names
fs/adfs: move append_filetype_suffix() into adfs_object_fixup()
fs/adfs: remove truncated filename hashing
fs/adfs: factor out filename fixup
fs/adfs: factor out object fixups
fs/adfs: factor out filename case lowering
fs/adfs: factor out filename comparison
ovl: doc: add non-standard corner cases
pstore/ram: Run without kernel crash dump region
MAINTAINERS: add Vasily Gorbik and Christian Borntraeger for s390
MAINTAINERS: Farewell Martin Schwidefsky
pstore: Set tfm to NULL on free_buf_for_compression
nds32: add new emulations for floating point instruction
nds32: Avoid IEX status being incorrectly modified
math-emu: Use statement expressions to fix Wshift-count-overflow warning
net: correct zerocopy refcnt with udp MSG_MORE
ethtool: Check for vlan etype or vlan tci when parsing flow_rule
net: don't clear sock->sk early to avoid trouble in strparser
net-gro: fix use-after-free read in napi_gro_frags()
net: dsa: tag_8021q: Create a stable binary format
net: dsa: tag_8021q: Change order of rx_vid setup
net: mvpp2: fix bad MVPP2_TXQ_SCHED_TOKEN_CNTR_REG queue value
docs cgroups: add another example size for hugetlb
NFSv4.1: Fix bug only first CB_NOTIFY_LOCK is handled
NFSv4.1: Again fix a race where CB_NOTIFY_LOCK fails to wake a waiter
ipv4: tcp_input: fix stack out of bounds when parsing TCP options.
mlxsw: spectrum: Prevent force of 56G
mlxsw: spectrum_acl: Avoid warning after identical rules insertion
SUNRPC: Fix a use after free when a server rejects the RPCSEC_GSS credential
net: dsa: mv88e6xxx: fix handling of upper half of STATS_TYPE_PORT
SUNRPC fix regression in umount of a secure mount
r8169: fix MAC address being lost in PCI D3
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net: core: support XDP generic on stacked devices.
netvsc: unshare skb in VF rx handler
udp: Avoid post-GRO UDP checksum recalculation
nvme-tcp: fix queue mapping when queue count is limited
nvme-rdma: fix queue mapping when queue count is limited
fpga: zynqmp-fpga: Correctly handle error pointer
selftests: vm: install test_vmalloc.sh for run_vmtests
userfaultfd: selftest: fix compiler warning
kselftest/cgroup: fix incorrect test_core skip
kselftest/cgroup: fix unexpected testing failure on test_core
kselftest/cgroup: fix unexpected testing failure on test_memcontrol
xtensa: Fix section mismatch between memblock_reserve and mem_reserve
signal/ptrace: Don't leak unitialized kernel memory with PTRACE_PEEK_SIGINFO
mwifiex: Abort at too short BSS descriptor element
mwifiex: Fix possible buffer overflows at parsing bss descriptor
drm/i915/gvt: Assign NULL to the pointer after memory free.
drm/i915/gvt: Check if cur_pt_type is valid
x86: intel_epb: Do not build when CONFIG_PM is unset
crypto: hmac - fix memory leak in hmac_init_tfm()
crypto: jitterentropy - change back to module_init()
ARM: dts: Drop bogus CLKSEL for timer12 on dra7
KVM: PPC: Book3S HV: Restore SPRG3 in kvmhv_p9_guest_entry()
KVM: PPC: Book3S HV: Fix lockdep warning when entering guest on POWER9
KVM: PPC: Book3S HV: XIVE: Fix page offset when clearing ESB pages
KVM: PPC: Book3S HV: XIVE: Take the srcu read lock when accessing memslots
KVM: PPC: Book3S HV: XIVE: Do not clear IRQ data of passthrough interrupts
KVM: PPC: Book3S HV: XIVE: Introduce a new mutex for the XIVE device
drm/i915/gvt: Fix cmd length of VEB_DI_IECP
drm/i915/gvt: refine ggtt range validation
drm/i915/gvt: Fix vGPU CSFE_CHICKEN1_REG mmio handler
drm/i915/gvt: Fix GFX_MODE handling
drm/i915/gvt: Update force-to-nonpriv register whitelist
drm/i915/gvt: Initialize intel_gvt_gtt_entry in stack
ima: show rules with IMA_INMASK correctly
evm: check hash algorithm passed to init_desc()
scsi: libsas: delete sas port if expander discover failed
scsi: libsas: only clear phy->in_shutdown after shutdown event done
scsi: scsi_dh_alua: Fix possible null-ptr-deref
scsi: smartpqi: properly set both the DMA mask and the coherent DMA mask
scsi: zfcp: fix to prevent port_remove with pure auto scan LUNs (only sdevs)
scsi: zfcp: fix missing zfcp_port reference put on -EBUSY from port_remove
scsi: libcxgbi: add a check for NULL pointer in cxgbi_check_route()
net: phy: dp83867: Set up RGMII TX delay
net: phy: dp83867: do not call config_init twice
net: phy: dp83867: increase SGMII autoneg timer duration
net: phy: dp83867: fix speed 10 in sgmii mode
net: phy: marvell10g: report if the PHY fails to boot firmware
net: phylink: ensure consistent phy interface mode
cgroup: Use css_tryget() instead of css_tryget_online() in task_get_css()
blk-mq: Fix memory leak in error handling
usbip: usbip_host: fix stub_dev lock context imbalance regression
net: sh_eth: fix mdio access in sh_eth_close() for R-Car Gen2 and RZ/A1 SoCs
MIPS: uprobes: remove set but not used variable 'epc'
s390/crypto: fix possible sleep during spinlock aquired
MIPS: pistachio: Build uImage.gz by default
MIPS: Make virt_addr_valid() return bool
MIPS: Bounds check virt_addr_valid
CIFS: cifs_read_allocate_pages: don't iterate through whole page array on ENOMEM
RDMA/efa: Remove MAYEXEC flag check from mmap flow
mlx5: avoid 64-bit division
IB/hfi1: Validate page aligned for a given virtual address
IB/{qib, hfi1, rdmavt}: Correct ibv_devinfo max_mr value
IB/hfi1: Insure freeze_work work_struct is canceled on shutdown
IB/rdmavt: Fix alloc_qpn() WARN_ON()
ASoC: sun4i-codec: fix first delay on Speaker
drm/amdgpu: reserve stollen vram for raven series
media: venus: hfi_parser: fix a regression in parser
selftests: bpf: fix compiler warning in flow_dissector test
arm64: use the correct function type for __arm64_sys_ni_syscall
arm64: use the correct function type in SYSCALL_DEFINE0
arm64: fix syscall_fn_t type
block: don't protect generic_make_request_checks with blk_queue_enter
block: move blk_exit_queue into __blk_release_queue
selftests: bpf: complete sub-register zero extension checks
selftests: bpf: move sub-register zero extension checks into subreg.c
ovl: detect overlapping layers
drm/i915/icl: Add WaDisableBankHangMode
ALSA: fireface: Use ULL suffixes for 64-bit constants
signal/arm64: Use force_sig not force_sig_fault for SIGKILL
nl80211: fill all policy .type entries
mac80211: free peer keys before vif down in mesh
ANDROID: ABI out: Use the extension .xml rather then .out
drm/mediatek: respect page offset for PRIME mmap calls
drm/mediatek: adjust ddp clock control flow
ALSA: hda/realtek - Improve the headset mic for Acer Aspire laptops
KVM: PPC: Book3S HV: XIVE: Fix the enforced limit on the vCPU identifier
KVM: PPC: Book3S HV: XIVE: Do not test the EQ flag validity when resetting
KVM: PPC: Book3S HV: XIVE: Clear file mapping when device is released
KVM: PPC: Book3S HV: Don't take kvm->lock around kvm_for_each_vcpu
KVM: PPC: Book3S: Use new mutex to synchronize access to rtas token list
KVM: PPC: Book3S HV: Use new mutex to synchronize MMU setup
KVM: PPC: Book3S HV: Avoid touching arch.mmu_ready in XIVE release functions
Revert "drivers: thermal: tsens: Add new operation to check if a sensor is enabled"
net/mlx5e: Disable rxhash when CQE compress is enabled
net/mlx5e: restrict the real_dev of vlan device is the same as uplink device
net/mlx5: Allocate root ns memory using kzalloc to match kfree
net/mlx5: Avoid double free in fs init error unwinding path
net/mlx5: Avoid double free of root ns in the error flow path
net/mlx5: Fix error handling in mlx5_load()
Documentation: net-sysfs: Remove duplicate PHY device documentation
llc: fix skb leak in llc_build_and_send_ui_pkt()
selftests: pmtu: Fix encapsulating device in pmtu_vti6_link_change_mtu
dfs_cache: fix a wrong use of kfree in flush_cache_ent()
fs/cifs/smb2pdu.c: fix buffer free in SMB2_ioctl_free
cifs: fix memory leak of pneg_inbuf on -EOPNOTSUPP ioctl case
xenbus: Avoid deadlock during suspend due to open transactions
xen/pvcalls: Remove set but not used variable
tracing: Avoid memory leak in predicate_parse()
habanalabs: fix bug in checking huge page optimization
mmc: sdhci: Fix SDIO IRQ thread deadlock
dpaa_eth: use only online CPU portals
net: mvneta: Fix err code path of probe
net: stmmac: Do not output error on deferred probe
Btrfs: fix race updating log root item during fsync
Btrfs: fix wrong ctime and mtime of a directory after log replay
ARC: [plat-hsdk] Get rid of inappropriate PHY settings
ARC: [plat-hsdk]: Add support of Vivante GPU
ARC: [plat-hsdk]: enable creg-gpio controller
Btrfs: fix fsync not persisting changed attributes of a directory
btrfs: qgroup: Check bg while resuming relocation to avoid NULL pointer dereference
btrfs: reloc: Also queue orphan reloc tree for cleanup to avoid BUG_ON()
Btrfs: incremental send, fix emission of invalid clone operations
Btrfs: incremental send, fix file corruption when no-holes feature is enabled
btrfs: correct zstd workspace manager lock to use spin_lock_bh()
btrfs: Ensure replaced device doesn't have pending chunk allocation
ia64: fix build errors by exporting paddr_to_nid()
ASoC: SOF: Intel: hda: fix the hda init chip
ASoC: SOF: ipc: fix a race, leading to IPC timeouts
ASoC: SOF: control: correct the copy size for bytes kcontrol put
ASoC: SOF: pcm: remove warning - initialize workqueue on open
ASoC: SOF: pcm: clear hw_params_upon_resume flag correctly
ASoC: SOF: core: fix error handling with the probe workqueue
ASoC: SOF: core: remove snd_soc_unregister_component in case of error
ASoC: SOF: core: remove DSP after unregistering machine driver
ASoC: soc-core: fixup references at soc_cleanup_card_resources()
arm64/module: revert to unsigned interpretation of ABS16/32 relocations
KVM: s390: Do not report unusabled IDs via KVM_CAP_MAX_VCPU_ID
kvm: fix compile on s390 part 2
xprtrdma: Use struct_size() in kzalloc()
tools headers UAPI: Sync kvm.h headers with the kernel sources
perf record: Fix s390 missing module symbol and warning for non-root users
perf machine: Read also the end of the kernel
perf test vmlinux-kallsyms: Ignore aliases to _etext when searching on kallsyms
perf session: Add missing swap ops for namespace events
perf namespace: Protect reading thread's namespace
tools headers UAPI: Sync drm/drm.h with the kernel
s390/crypto: fix gcm-aes-s390 selftest failures
s390/zcrypt: Fix wrong dispatching for control domain CPRBs
s390/pci: fix assignment of bus resources
s390/pci: fix struct definition for set PCI function
s390: mark __cpacf_check_opcode() and cpacf_query_func() as __always_inline
s390: add unreachable() to dump_fault_info() to fix -Wmaybe-uninitialized
tools headers UAPI: Sync drm/i915_drm.h with the kernel
tools headers UAPI: Sync linux/fs.h with the kernel
tools headers UAPI: Sync linux/sched.h with the kernel
tools arch x86: Sync asm/cpufeatures.h with the with the kernel
tools include UAPI: Update copy of files related to new fspick, fsmount, fsconfig, fsopen, move_mount and open_tree syscalls
perf arm64: Fix mksyscalltbl when system kernel headers are ahead of the kernel
perf data: Fix 'strncat may truncate' build failure with recent gcc
arm64: Fix the arm64_personality() syscall wrapper redirection
rtw88: Make some symbols static
rtw88: avoid circular locking between local->iflist_mtx and rtwdev->mutex
rsi: Properly initialize data in rsi_sdio_ta_reset
rtw88: fix unassigned rssi_level in rtw_sta_info
rtw88: fix subscript above array bounds compiler warning
fuse: extract helper for range writeback
fuse: fix copy_file_range() in the writeback case
mmc: meson-gx: fix irq ack
mmc: tmio: fix SCC error handling to avoid false positive CRC error
mmc: tegra: Fix a warning message
memstick: mspro_block: Fix an error code in mspro_block_issue_req()
mac80211: mesh: fix RCU warning
nl80211: fix station_info pertid memory leak
mac80211: Do not use stack memory with scatterlist for GMAC
ALSA: line6: Assure canceling delayed work at disconnection
configfs: Fix use-after-free when accessing sd->s_dentry
ALSA: hda - Force polling mode on CNL for fixing codec communication
i2c: synquacer: fix synquacer_i2c_doxfer() return value
i2c: mlxcpld: Fix wrong initialization order in probe
i2c: dev: fix potential memory leak in i2cdev_ioctl_rdwr
RDMA/core: Fix panic when port_data isn't initialized
RDMA/uverbs: Pass udata on uverbs error unwind
RDMA/core: Clear out the udata before error unwind
net: aquantia: tcp checksum 0xffff being handled incorrectly
net: aquantia: fix LRO with FCS error
net: aquantia: check rx csum for all packets in LRO session
net: aquantia: tx clean budget logic error
vhost: scsi: add weight support
vhost: vsock: add weight support
vhost_net: fix possible infinite loop
vhost: introduce vhost_exceeds_weight()
virtio: Fix indentation of VIRTIO_MMIO
virtio: add unlikely() to WARN_ON_ONCE()
iommu/vt-d: Set the right field for Page Walk Snoop
iommu/vt-d: Fix lock inversion between iommu->lock and device_domain_lock
iommu: Add missing new line for dma type
drm/etnaviv: lock MMU while dumping core
block: Don't revalidate bdev of hidden gendisk
loop: Don't change loop device under exclusive opener
drm/imx: ipuv3-plane: fix atomic update status query for non-plus i.MX6Q
drm/qxl: drop WARN_ONCE()
iio: temperature: mlx90632 Relax the compatibility check
iio: imu: st_lsm6dsx: fix PM support for st_lsm6dsx i2c controller
staging:iio:ad7150: fix threshold mode config bit
fuse: add FUSE_WRITE_KILL_PRIV
fuse: fallocate: fix return with locked inode
PCI: PM: Avoid possible suspend-to-idle issue
ACPI: PM: Call pm_set_suspend_via_firmware() during hibernation
ACPI/PCI: PM: Add missing wakeup.flags.valid checks
ovl: support the FS_IOC_FS[SG]ETXATTR ioctls
soundwire: stream: fix out of boundary access on port properties
net: tulip: de4x5: Drop redundant MODULE_DEVICE_TABLE()
selftests/tls: add test for sleeping even though there is data
net/tls: fix no wakeup on partial reads
selftests/tls: test for lowat overshoot with multiple records
net/tls: fix lowat calculation if some data came from previous record
dpaa2-eth: Make constant 64-bit long
dpaa2-eth: Use PTR_ERR_OR_ZERO where appropriate
dpaa2-eth: Fix potential spectre issue
bonding/802.3ad: fix slave link initialization transition states
io_uring: Fix __io_uring_register() false success
net: ethtool: Document get_rxfh_context and set_rxfh_context ethtool ops
net: stmmac: dwmac-mediatek: modify csr_clk value to fix mdio read/write fail
net: stmmac: fix csr_clk can't be zero issue
net: stmmac: update rx tail pointer register to fix rx dma hang issue.
ip_sockglue: Fix missing-check bug in ip_ra_control()
ipv6_sockglue: Fix a missing-check bug in ip6_ra_control()
efi: Allow the number of EFI configuration tables entries to be zero
efi/x86/Add missing error handling to old_memmap 1:1 mapping code
parisc: Fix compiler warnings in float emulation code
parisc/slab: cleanup after /proc/slab_allocators removal
bpf: sockmap, fix use after free from sleep in psock backlog workqueue
net: sched: don't use tc_action->order during action dump
cxgb4: Revert "cxgb4: Remove SGE_HOST_PAGE_SIZE dependency on page size"
net: fec: fix the clk mismatch in failed_reset path
habanalabs: Avoid using a non-initialized MMU cache mutex
habanalabs: fix debugfs code
uapi/habanalabs: add opcode for enable/disable device debug mode
habanalabs: halt debug engines on user process close
selftests: rtc: rtctest: specify timeouts
selftests/harness: Allow test to configure timeout
selftests/ftrace: Add checkbashisms meta-testcase
selftests/ftrace: Make a script checkbashisms clean
media: smsusb: better handle optional alignment
test_firmware: Use correct snprintf() limit
genwqe: Prevent an integer overflow in the ioctl
parport: Fix mem leak in parport_register_dev_model
fpga: dfl: expand minor range when registering chrdev region
fpga: dfl: Add lockdep classes for pdata->lock
fpga: dfl: afu: Pass the correct device to dma_mapping_error()
fpga: stratix10-soc: fix use-after-free on s10_init()
w1: ds2408: Fix typo after 49695ac468
(reset on output_write retry with readback)
kheaders: Do not regenerate archive if config is not changed
kheaders: Move from proc to sysfs
drm/amd/display: Don't load DMCU for Raven 1 (v2)
drm/i915: Maintain consistent documentation subsection ordering
scripts/sphinx-pre-install: make it handle Sphinx versions
docs: Fix conf.py for Sphinx 2.0
vt/fbcon: deinitialize resources in visual_init() after failed memory allocation
xfs: fix broken log reservation debugging
clocksource/drivers/timer-ti-dm: Change to new style declaration
ASoC: core: lock client_mutex while removing link components
ASoC: simple-card: Restore original configuration of DAI format
{nl,mac}80211: allow 4addr AP operation on crypto controlled devices
mac80211_hwsim: mark expected switch fall-through
mac80211: fix rate reporting inside cfg80211_calculate_bitrate_he()
mac80211: remove set but not used variable 'old'
mac80211: handle deauthentication/disassociation from TDLS peer
gpio: fix gpio-adp5588 build errors
pinctrl: stmfx: Fix compile issue when CONFIG_OF_GPIO is not defined
staging: kpc2000: Add dependency on MFD_CORE to kconfig symbol 'KPC2000'
perf/ring-buffer: Use regular variables for nesting
perf/ring-buffer: Always use {READ,WRITE}_ONCE() for rb->user_page data
perf/ring_buffer: Add ordering to rb->nest increment
perf/ring_buffer: Fix exposing a temporarily decreased data_head
x86/CPU/AMD: Don't force the CPB cap when running under a hypervisor
x86/boot: Provide KASAN compatible aliases for string routines
ALSA: hda/realtek - Enable micmute LED for Huawei laptops
Input: uinput - add compat ioctl number translation for UI_*_FF_UPLOAD
Input: silead - add MSSL0017 to acpi_device_id
cxgb4: offload VLAN flows regardless of VLAN ethtype
hsr: fix don't prune the master node from the node_db
net: mvpp2: cls: Fix leaked ethtool_rx_flow_rule
docs: fix multiple doc build warnings in enumeration.rst
lib/list_sort: fix kerneldoc build error
docs: fix numaperf.rst and add it to the doc tree
doc: Cope with the deprecation of AutoReporter
doc: Cope with Sphinx logging deprecations
bpf: sockmap, restore sk_write_space when psock gets dropped
selftests: bpf: add zero extend checks for ALU32 and/or/xor
bpf, riscv: clear target register high 32-bits for and/or/xor on ALU32
spi: abort spi_sync if failed to prepare_transfer_hardware
ALSA: hda/realtek - Set default power save node to 0
ipv4/igmp: fix build error if !CONFIG_IP_MULTICAST
powerpc/kexec: Fix loading of kernel + initramfs with kexec_file_load()
MIPS: TXx9: Fix boot crash in free_initmem()
MIPS: remove a space after -I to cope with header search paths for VDSO
MIPS: mark ginvt() as __always_inline
ipv4/igmp: fix another memory leak in igmpv3_del_delrec()
bnxt_en: Device serial number is supported only for PFs.
bnxt_en: Reduce memory usage when running in kdump kernel.
bnxt_en: Fix possible BUG() condition when calling pci_disable_msix().
bnxt_en: Fix aggregation buffer leak under OOM condition.
ipv6: Fix redirect with VRF
net: stmmac: fix reset gpio free missing
mISDN: make sure device name is NUL terminated
net: macb: save/restore the remaining registers and features
media: dvb: warning about dvb frequency limits produces too much noise
net/tls: don't ignore netdev notifications if no TLS features
net/tls: fix state removal with feature flags off
net/tls: avoid NULL-deref on resync during device removal
Documentation: add TLS offload documentation
Documentation: tls: RSTify the ktls documentation
Documentation: net: move device drivers docs to a submenu
mISDN: Fix indenting in dsp_cmx.c
ocelot: Dont allocate another multicast list, use __dev_mc_sync
Validate required parameters in inet6_validate_link_af
xhci: Use %zu for printing size_t type
xhci: Convert xhci_handshake() to use readl_poll_timeout_atomic()
xhci: Fix immediate data transfer if buffer is already DMA mapped
usb: xhci: avoid null pointer deref when bos field is NULL
usb: xhci: Fix a potential null pointer dereference in xhci_debugfs_create_endpoint()
xhci: update bounce buffer with correct sg num
media: usb: siano: Fix false-positive "uninitialized variable" warning
spi: spi-fsl-spi: call spi_finalize_current_message() at the end
ALSA: hda/realtek - Check headset type by unplug and resume
powerpc/perf: Fix MMCRA corruption by bhrb_filter
powerpc/powernv: Return for invalid IMC domain
HID: logitech-hidpp: Add support for the S510 remote control
HID: multitouch: handle faulty Elo touch device
selftests: netfilter: add flowtable test script
netfilter: nft_flow_offload: IPCB is only valid for ipv4 family
netfilter: nft_flow_offload: don't offload when sequence numbers need adjustment
netfilter: nft_flow_offload: set liberal tracking mode for tcp
netfilter: nf_flow_table: ignore DF bit setting
ASoC: Intel: sof-rt5682: fix AMP quirk support
ASoC: Intel: sof-rt5682: fix for codec button mapping
clk: ti: clkctrl: Fix clkdm_clk handling
clk: imx: imx8mm: fix int pll clk gate
clk: sifive: restrict Kconfig scope for the FU540 PRCI driver
RDMA/hns: Fix PD memory leak for internal allocation
netfilter: nat: fix udp checksum corruption
selftests: netfilter: missing error check when setting up veth interface
RDMA/srp: Rename SRP sysfs name after IB device rename trigger
ipvs: Fix use-after-free in ip_vs_in
ARC: [plat-hsdk]: Add missing FIFO size entry in GMAC node
ARC: [plat-hsdk]: Add missing multicast filter bins number to GMAC node
samples, bpf: suppress compiler warning
samples, bpf: fix to change the buffer size for read()
bpf: Check sk_fullsock() before returning from bpf_sk_lookup()
bpf: fix out-of-bounds read in __bpf_skc_lookup
Documentation/networking: fix af_xdp.rst Sphinx warnings
netfilter: nft_fib: Fix existence check support
netfilter: nf_queue: fix reinject verdict handling
dmaengine: sprd: Add interrupt support for 2-stage transfer
dmaengine: sprd: Fix the right place to configure 2-stage transfer
dmaengine: sprd: Fix block length overflow
dmaengine: sprd: Fix the incorrect start for 2-stage destination channels
dmaengine: sprd: Add validation of current descriptor in irq handler
dmaengine: sprd: Fix the possible crash when getting descriptor status
tty: max310x: Fix external crystal register setup
serial: sh-sci: disable DMA for uart_console
serial: imx: remove log spamming error message
tty: serial: msm_serial: Fix XON/XOFF
USB: serial: option: add Telit 0x1260 and 0x1261 compositions
USB: serial: pl2303: add Allied Telesis VT-Kit3
USB: serial: option: add support for Simcom SIM7500/SIM7600 RNDIS mode
dmaengine: tegra210-adma: Fix spelling
dmaengine: tegra210-adma: Fix channel FIFO configuration
dmaengine: tegra210-adma: Fix crash during probe
dmaengine: mediatek-cqdma: sleeping in atomic context
dmaengine: dw-axi-dmac: fix null dereference when pointer first is null
perf/x86/intel/ds: Fix EVENT vs. UEVENT PEBS constraints
USB: rio500: update Documentation
USB: rio500: simplify locking
USB: rio500: fix memory leak in close after disconnect
USB: rio500: refuse more than one device at a time
usbip: usbip_host: fix BUG: sleeping function called from invalid context
USB: sisusbvga: fix oops in error path of sisusb_probe
USB: Add LPM quirk for Surface Dock GigE adapter
media: usb: siano: Fix general protection fault in smsusb
usb: mtu3: fix up undefined reference to usb_debug_root
USB: Fix slab-out-of-bounds write in usb_get_bos_descriptor
Input: elantech - enable middle button support on 2 ThinkPads
dmaengine: fsl-qdma: Add improvement
dmaengine: jz4780: Fix transfers being ACKed too soon
gcc-plugins: Fix build failures under Darwin host
MAINTAINERS: Update Stefan Wahren email address
netfilter: nf_tables: fix oops during rule dump
ARC: mm: SIGSEGV userspace trying to access kernel virtual memory
ARC: fix build warnings
ARM: dts: bcm: Add missing device_type = "memory" property
soc: bcm: brcmstb: biuctrl: Register writes require a barrier
soc: brcmstb: Fix error path for unsupported CPUs
ARM: dts: dra71x: Disable usb4_tm target module
ARM: dts: dra71x: Disable rtc target module
ARM: dts: dra76x: Disable usb4_tm target module
ARM: dts: dra76x: Disable rtc target module
ASoC: simple-card: Fix configuration of DAI format
ASoC: Intel: soc-acpi: Fix machine selection order
ASoC: rt5677-spi: Handle over reading when flipping bytes
ASoC: soc-dpm: fixup DAI active unbalance
pinctrl: intel: Clear interrupt status in mask/unmask callback
pinctrl: intel: Use GENMASK() consistently
parisc: Allow building 64-bit kernel without -mlong-calls compiler option
parisc: Kconfig: remove ARCH_DISCARD_MEMBLOCK
staging: wilc1000: Fix some double unlock bugs in wilc_wlan_cleanup()
staging: vc04_services: prevent integer overflow in create_pagelist()
Staging: vc04_services: Fix a couple error codes
staging: wlan-ng: fix adapter initialization failure
staging: kpc2000: double unlock in error handling in kpc_dma_transfer()
staging: kpc2000: Fix build error without CONFIG_UIO
staging: kpc2000: fix build error on xtensa
staging: erofs: set sb->s_root to NULL when failing from __getname()
ARM: imx: cpuidle-imx6sx: Restrict the SW2ISO increase to i.MX6SX
firmware: imx: SCU irq should ONLY be enabled after SCU IPC is ready
arm64: imx: Fix build error without CONFIG_SOC_BUS
ima: fix wrong signed policy requirement when not appraising
x86/ima: Check EFI_RUNTIME_SERVICES before using
stacktrace: Unbreak stack_trace_save_tsk_reliable()
HID: wacom: Sync INTUOSP2_BT touch state after each frame if necessary
HID: wacom: Correct button numbering 2nd-gen Intuos Pro over Bluetooth
HID: wacom: Send BTN_TOUCH in response to INTUOSP2_BT eraser contact
HID: wacom: Don't report anything prior to the tool entering range
HID: wacom: Don't set tool type until we're in range
ASoC: cs42xx8: Add regcache mask dirty
regulator: tps6507x: Fix boot regression due to testing wrong init_data pointer
ASoC: fsl_asrc: Fix the issue about unsupported rate
spi: bitbang: Fix NULL pointer dereference in spi_unregister_master
Input: elan_i2c - increment wakeup count if wake source
wireless: Skip directory when generating certificates
ASoC: ak4458: rstn_control - return a non-zero on error only
ASoC: soc-pcm: BE dai needs prepare when pause release after resume
ASoC: ak4458: add return value for ak4458_probe
ASoC : cs4265 : readable register too low
ASoC: SOF: fix error in verbose ipc command parsing
ASoC: SOF: fix race in FW boot timeout handling
ASoC: SOF: nocodec: fix undefined reference
iio: adc: ti-ads8688: fix timestamp is not updated in buffer
iio: dac: ds4422/ds4424 fix chip verification
HID: rmi: Use SET_REPORT request on control endpoint for Acer Switch 3 and 5
HID: logitech-hidpp: add support for the MX5500 keyboard
HID: logitech-dj: add support for the Logitech MX5500's Bluetooth Mini-Receiver
HID: i2c-hid: add iBall Aer3 to descriptor override
spi: Fix Raspberry Pi breakage
ARM: dts: dra76x: Update MMC2_HS200_MANUAL1 iodelay values
ARM: dts: am57xx-idk: Remove support for voltage switching for SD card
bus: ti-sysc: Handle devices with no control registers
ARM: dts: Configure osc clock for d_can on am335x
iio: imu: mpu6050: Fix FIFO layout for ICM20602
lkdtm/bugs: Adjust recursion test to avoid elision
lkdtm/usercopy: Moves the KERNEL_DS test to non-canonical
iio: adc: ads124: avoid buffer overflow
iio: adc: modify NPCM ADC read reference voltage
Change-Id: I98c823993370027391cc21dfb239c3049f025136
Signed-off-by: Raghavendra Rao Ananta <rananta@codeaurora.org>
3904 lines
94 KiB
C
3904 lines
94 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Copyright (c) 2005-2014 Brocade Communications Systems, Inc.
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* Copyright (c) 2014- QLogic Corporation.
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* All rights reserved
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* www.qlogic.com
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*
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* Linux driver for QLogic BR-series Fibre Channel Host Bus Adapter.
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*/
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#include "bfad_drv.h"
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#include "bfa_modules.h"
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BFA_TRC_FILE(HAL, FCPIM);
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/*
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* BFA ITNIM Related definitions
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*/
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static void bfa_itnim_update_del_itn_stats(struct bfa_itnim_s *itnim);
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#define BFA_ITNIM_FROM_TAG(_fcpim, _tag) \
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(((_fcpim)->itnim_arr + ((_tag) & ((_fcpim)->num_itnims - 1))))
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#define bfa_fcpim_additn(__itnim) \
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list_add_tail(&(__itnim)->qe, &(__itnim)->fcpim->itnim_q)
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#define bfa_fcpim_delitn(__itnim) do { \
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WARN_ON(!bfa_q_is_on_q(&(__itnim)->fcpim->itnim_q, __itnim)); \
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bfa_itnim_update_del_itn_stats(__itnim); \
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list_del(&(__itnim)->qe); \
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WARN_ON(!list_empty(&(__itnim)->io_q)); \
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WARN_ON(!list_empty(&(__itnim)->io_cleanup_q)); \
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WARN_ON(!list_empty(&(__itnim)->pending_q)); \
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} while (0)
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#define bfa_itnim_online_cb(__itnim) do { \
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if ((__itnim)->bfa->fcs) \
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bfa_cb_itnim_online((__itnim)->ditn); \
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else { \
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bfa_cb_queue((__itnim)->bfa, &(__itnim)->hcb_qe, \
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__bfa_cb_itnim_online, (__itnim)); \
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} \
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} while (0)
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#define bfa_itnim_offline_cb(__itnim) do { \
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if ((__itnim)->bfa->fcs) \
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bfa_cb_itnim_offline((__itnim)->ditn); \
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else { \
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bfa_cb_queue((__itnim)->bfa, &(__itnim)->hcb_qe, \
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__bfa_cb_itnim_offline, (__itnim)); \
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} \
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} while (0)
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#define bfa_itnim_sler_cb(__itnim) do { \
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if ((__itnim)->bfa->fcs) \
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bfa_cb_itnim_sler((__itnim)->ditn); \
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else { \
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bfa_cb_queue((__itnim)->bfa, &(__itnim)->hcb_qe, \
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__bfa_cb_itnim_sler, (__itnim)); \
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} \
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} while (0)
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enum bfa_ioim_lm_ua_status {
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BFA_IOIM_LM_UA_RESET = 0,
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BFA_IOIM_LM_UA_SET = 1,
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};
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/*
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* itnim state machine event
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*/
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enum bfa_itnim_event {
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BFA_ITNIM_SM_CREATE = 1, /* itnim is created */
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BFA_ITNIM_SM_ONLINE = 2, /* itnim is online */
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BFA_ITNIM_SM_OFFLINE = 3, /* itnim is offline */
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BFA_ITNIM_SM_FWRSP = 4, /* firmware response */
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BFA_ITNIM_SM_DELETE = 5, /* deleting an existing itnim */
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BFA_ITNIM_SM_CLEANUP = 6, /* IO cleanup completion */
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BFA_ITNIM_SM_SLER = 7, /* second level error recovery */
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BFA_ITNIM_SM_HWFAIL = 8, /* IOC h/w failure event */
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BFA_ITNIM_SM_QRESUME = 9, /* queue space available */
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};
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/*
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* BFA IOIM related definitions
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*/
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#define bfa_ioim_move_to_comp_q(__ioim) do { \
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list_del(&(__ioim)->qe); \
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list_add_tail(&(__ioim)->qe, &(__ioim)->fcpim->ioim_comp_q); \
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} while (0)
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#define bfa_ioim_cb_profile_comp(__fcpim, __ioim) do { \
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if ((__fcpim)->profile_comp) \
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(__fcpim)->profile_comp(__ioim); \
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} while (0)
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#define bfa_ioim_cb_profile_start(__fcpim, __ioim) do { \
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if ((__fcpim)->profile_start) \
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(__fcpim)->profile_start(__ioim); \
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} while (0)
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/*
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* IO state machine events
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*/
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enum bfa_ioim_event {
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BFA_IOIM_SM_START = 1, /* io start request from host */
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BFA_IOIM_SM_COMP_GOOD = 2, /* io good comp, resource free */
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BFA_IOIM_SM_COMP = 3, /* io comp, resource is free */
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BFA_IOIM_SM_COMP_UTAG = 4, /* io comp, resource is free */
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BFA_IOIM_SM_DONE = 5, /* io comp, resource not free */
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BFA_IOIM_SM_FREE = 6, /* io resource is freed */
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BFA_IOIM_SM_ABORT = 7, /* abort request from scsi stack */
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BFA_IOIM_SM_ABORT_COMP = 8, /* abort from f/w */
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BFA_IOIM_SM_ABORT_DONE = 9, /* abort completion from f/w */
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BFA_IOIM_SM_QRESUME = 10, /* CQ space available to queue IO */
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BFA_IOIM_SM_SGALLOCED = 11, /* SG page allocation successful */
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BFA_IOIM_SM_SQRETRY = 12, /* sequence recovery retry */
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BFA_IOIM_SM_HCB = 13, /* bfa callback complete */
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BFA_IOIM_SM_CLEANUP = 14, /* IO cleanup from itnim */
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BFA_IOIM_SM_TMSTART = 15, /* IO cleanup from tskim */
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BFA_IOIM_SM_TMDONE = 16, /* IO cleanup from tskim */
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BFA_IOIM_SM_HWFAIL = 17, /* IOC h/w failure event */
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BFA_IOIM_SM_IOTOV = 18, /* ITN offline TOV */
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};
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/*
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* BFA TSKIM related definitions
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*/
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/*
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* task management completion handling
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*/
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#define bfa_tskim_qcomp(__tskim, __cbfn) do { \
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bfa_cb_queue((__tskim)->bfa, &(__tskim)->hcb_qe, __cbfn, (__tskim));\
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bfa_tskim_notify_comp(__tskim); \
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} while (0)
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#define bfa_tskim_notify_comp(__tskim) do { \
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if ((__tskim)->notify) \
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bfa_itnim_tskdone((__tskim)->itnim); \
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} while (0)
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enum bfa_tskim_event {
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BFA_TSKIM_SM_START = 1, /* TM command start */
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BFA_TSKIM_SM_DONE = 2, /* TM completion */
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BFA_TSKIM_SM_QRESUME = 3, /* resume after qfull */
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BFA_TSKIM_SM_HWFAIL = 5, /* IOC h/w failure event */
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BFA_TSKIM_SM_HCB = 6, /* BFA callback completion */
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BFA_TSKIM_SM_IOS_DONE = 7, /* IO and sub TM completions */
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BFA_TSKIM_SM_CLEANUP = 8, /* TM cleanup on ITN offline */
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BFA_TSKIM_SM_CLEANUP_DONE = 9, /* TM abort completion */
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BFA_TSKIM_SM_UTAG = 10, /* TM completion unknown tag */
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};
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/*
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* forward declaration for BFA ITNIM functions
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*/
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static void bfa_itnim_iocdisable_cleanup(struct bfa_itnim_s *itnim);
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static bfa_boolean_t bfa_itnim_send_fwcreate(struct bfa_itnim_s *itnim);
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static bfa_boolean_t bfa_itnim_send_fwdelete(struct bfa_itnim_s *itnim);
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static void bfa_itnim_cleanp_comp(void *itnim_cbarg);
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static void bfa_itnim_cleanup(struct bfa_itnim_s *itnim);
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static void __bfa_cb_itnim_online(void *cbarg, bfa_boolean_t complete);
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static void __bfa_cb_itnim_offline(void *cbarg, bfa_boolean_t complete);
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static void __bfa_cb_itnim_sler(void *cbarg, bfa_boolean_t complete);
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static void bfa_itnim_iotov_online(struct bfa_itnim_s *itnim);
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static void bfa_itnim_iotov_cleanup(struct bfa_itnim_s *itnim);
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static void bfa_itnim_iotov(void *itnim_arg);
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static void bfa_itnim_iotov_start(struct bfa_itnim_s *itnim);
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static void bfa_itnim_iotov_stop(struct bfa_itnim_s *itnim);
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static void bfa_itnim_iotov_delete(struct bfa_itnim_s *itnim);
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/*
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* forward declaration of ITNIM state machine
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*/
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static void bfa_itnim_sm_uninit(struct bfa_itnim_s *itnim,
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enum bfa_itnim_event event);
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static void bfa_itnim_sm_created(struct bfa_itnim_s *itnim,
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enum bfa_itnim_event event);
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static void bfa_itnim_sm_fwcreate(struct bfa_itnim_s *itnim,
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enum bfa_itnim_event event);
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static void bfa_itnim_sm_delete_pending(struct bfa_itnim_s *itnim,
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enum bfa_itnim_event event);
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static void bfa_itnim_sm_online(struct bfa_itnim_s *itnim,
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enum bfa_itnim_event event);
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static void bfa_itnim_sm_sler(struct bfa_itnim_s *itnim,
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enum bfa_itnim_event event);
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static void bfa_itnim_sm_cleanup_offline(struct bfa_itnim_s *itnim,
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enum bfa_itnim_event event);
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static void bfa_itnim_sm_cleanup_delete(struct bfa_itnim_s *itnim,
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enum bfa_itnim_event event);
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static void bfa_itnim_sm_fwdelete(struct bfa_itnim_s *itnim,
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enum bfa_itnim_event event);
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static void bfa_itnim_sm_offline(struct bfa_itnim_s *itnim,
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enum bfa_itnim_event event);
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static void bfa_itnim_sm_iocdisable(struct bfa_itnim_s *itnim,
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enum bfa_itnim_event event);
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static void bfa_itnim_sm_deleting(struct bfa_itnim_s *itnim,
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enum bfa_itnim_event event);
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static void bfa_itnim_sm_fwcreate_qfull(struct bfa_itnim_s *itnim,
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enum bfa_itnim_event event);
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static void bfa_itnim_sm_fwdelete_qfull(struct bfa_itnim_s *itnim,
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enum bfa_itnim_event event);
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static void bfa_itnim_sm_deleting_qfull(struct bfa_itnim_s *itnim,
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enum bfa_itnim_event event);
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/*
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* forward declaration for BFA IOIM functions
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*/
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static bfa_boolean_t bfa_ioim_send_ioreq(struct bfa_ioim_s *ioim);
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static bfa_boolean_t bfa_ioim_sgpg_alloc(struct bfa_ioim_s *ioim);
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static bfa_boolean_t bfa_ioim_send_abort(struct bfa_ioim_s *ioim);
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static void bfa_ioim_notify_cleanup(struct bfa_ioim_s *ioim);
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static void __bfa_cb_ioim_good_comp(void *cbarg, bfa_boolean_t complete);
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static void __bfa_cb_ioim_comp(void *cbarg, bfa_boolean_t complete);
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static void __bfa_cb_ioim_abort(void *cbarg, bfa_boolean_t complete);
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static void __bfa_cb_ioim_failed(void *cbarg, bfa_boolean_t complete);
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static void __bfa_cb_ioim_pathtov(void *cbarg, bfa_boolean_t complete);
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static bfa_boolean_t bfa_ioim_is_abortable(struct bfa_ioim_s *ioim);
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/*
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* forward declaration of BFA IO state machine
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*/
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static void bfa_ioim_sm_uninit(struct bfa_ioim_s *ioim,
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enum bfa_ioim_event event);
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static void bfa_ioim_sm_sgalloc(struct bfa_ioim_s *ioim,
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enum bfa_ioim_event event);
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static void bfa_ioim_sm_active(struct bfa_ioim_s *ioim,
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enum bfa_ioim_event event);
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static void bfa_ioim_sm_abort(struct bfa_ioim_s *ioim,
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enum bfa_ioim_event event);
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static void bfa_ioim_sm_cleanup(struct bfa_ioim_s *ioim,
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enum bfa_ioim_event event);
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static void bfa_ioim_sm_qfull(struct bfa_ioim_s *ioim,
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enum bfa_ioim_event event);
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static void bfa_ioim_sm_abort_qfull(struct bfa_ioim_s *ioim,
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enum bfa_ioim_event event);
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static void bfa_ioim_sm_cleanup_qfull(struct bfa_ioim_s *ioim,
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enum bfa_ioim_event event);
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static void bfa_ioim_sm_hcb(struct bfa_ioim_s *ioim,
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enum bfa_ioim_event event);
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static void bfa_ioim_sm_hcb_free(struct bfa_ioim_s *ioim,
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enum bfa_ioim_event event);
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static void bfa_ioim_sm_resfree(struct bfa_ioim_s *ioim,
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enum bfa_ioim_event event);
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static void bfa_ioim_sm_cmnd_retry(struct bfa_ioim_s *ioim,
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enum bfa_ioim_event event);
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/*
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* forward declaration for BFA TSKIM functions
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*/
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static void __bfa_cb_tskim_done(void *cbarg, bfa_boolean_t complete);
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static void __bfa_cb_tskim_failed(void *cbarg, bfa_boolean_t complete);
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static bfa_boolean_t bfa_tskim_match_scope(struct bfa_tskim_s *tskim,
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struct scsi_lun lun);
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static void bfa_tskim_gather_ios(struct bfa_tskim_s *tskim);
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static void bfa_tskim_cleanp_comp(void *tskim_cbarg);
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static void bfa_tskim_cleanup_ios(struct bfa_tskim_s *tskim);
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static bfa_boolean_t bfa_tskim_send(struct bfa_tskim_s *tskim);
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static bfa_boolean_t bfa_tskim_send_abort(struct bfa_tskim_s *tskim);
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static void bfa_tskim_iocdisable_ios(struct bfa_tskim_s *tskim);
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/*
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* forward declaration of BFA TSKIM state machine
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*/
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static void bfa_tskim_sm_uninit(struct bfa_tskim_s *tskim,
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enum bfa_tskim_event event);
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static void bfa_tskim_sm_active(struct bfa_tskim_s *tskim,
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enum bfa_tskim_event event);
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static void bfa_tskim_sm_cleanup(struct bfa_tskim_s *tskim,
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enum bfa_tskim_event event);
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static void bfa_tskim_sm_iocleanup(struct bfa_tskim_s *tskim,
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enum bfa_tskim_event event);
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static void bfa_tskim_sm_qfull(struct bfa_tskim_s *tskim,
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enum bfa_tskim_event event);
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static void bfa_tskim_sm_cleanup_qfull(struct bfa_tskim_s *tskim,
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enum bfa_tskim_event event);
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static void bfa_tskim_sm_hcb(struct bfa_tskim_s *tskim,
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enum bfa_tskim_event event);
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/*
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* BFA FCP Initiator Mode module
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*/
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/*
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* Compute and return memory needed by FCP(im) module.
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*/
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static void
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bfa_fcpim_meminfo(struct bfa_iocfc_cfg_s *cfg, u32 *km_len)
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{
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bfa_itnim_meminfo(cfg, km_len);
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/*
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* IO memory
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*/
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*km_len += cfg->fwcfg.num_ioim_reqs *
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(sizeof(struct bfa_ioim_s) + sizeof(struct bfa_ioim_sp_s));
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/*
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* task management command memory
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*/
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if (cfg->fwcfg.num_tskim_reqs < BFA_TSKIM_MIN)
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cfg->fwcfg.num_tskim_reqs = BFA_TSKIM_MIN;
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*km_len += cfg->fwcfg.num_tskim_reqs * sizeof(struct bfa_tskim_s);
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}
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static void
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bfa_fcpim_attach(struct bfa_fcp_mod_s *fcp, void *bfad,
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struct bfa_iocfc_cfg_s *cfg, struct bfa_pcidev_s *pcidev)
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{
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struct bfa_fcpim_s *fcpim = &fcp->fcpim;
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struct bfa_s *bfa = fcp->bfa;
|
|
|
|
bfa_trc(bfa, cfg->drvcfg.path_tov);
|
|
bfa_trc(bfa, cfg->fwcfg.num_rports);
|
|
bfa_trc(bfa, cfg->fwcfg.num_ioim_reqs);
|
|
bfa_trc(bfa, cfg->fwcfg.num_tskim_reqs);
|
|
|
|
fcpim->fcp = fcp;
|
|
fcpim->bfa = bfa;
|
|
fcpim->num_itnims = cfg->fwcfg.num_rports;
|
|
fcpim->num_tskim_reqs = cfg->fwcfg.num_tskim_reqs;
|
|
fcpim->path_tov = cfg->drvcfg.path_tov;
|
|
fcpim->delay_comp = cfg->drvcfg.delay_comp;
|
|
fcpim->profile_comp = NULL;
|
|
fcpim->profile_start = NULL;
|
|
|
|
bfa_itnim_attach(fcpim);
|
|
bfa_tskim_attach(fcpim);
|
|
bfa_ioim_attach(fcpim);
|
|
}
|
|
|
|
void
|
|
bfa_fcpim_iocdisable(struct bfa_fcp_mod_s *fcp)
|
|
{
|
|
struct bfa_fcpim_s *fcpim = &fcp->fcpim;
|
|
struct bfa_itnim_s *itnim;
|
|
struct list_head *qe, *qen;
|
|
|
|
/* Enqueue unused ioim resources to free_q */
|
|
list_splice_tail_init(&fcpim->tskim_unused_q, &fcpim->tskim_free_q);
|
|
|
|
list_for_each_safe(qe, qen, &fcpim->itnim_q) {
|
|
itnim = (struct bfa_itnim_s *) qe;
|
|
bfa_itnim_iocdisable(itnim);
|
|
}
|
|
}
|
|
|
|
void
|
|
bfa_fcpim_path_tov_set(struct bfa_s *bfa, u16 path_tov)
|
|
{
|
|
struct bfa_fcpim_s *fcpim = BFA_FCPIM(bfa);
|
|
|
|
fcpim->path_tov = path_tov * 1000;
|
|
if (fcpim->path_tov > BFA_FCPIM_PATHTOV_MAX)
|
|
fcpim->path_tov = BFA_FCPIM_PATHTOV_MAX;
|
|
}
|
|
|
|
u16
|
|
bfa_fcpim_path_tov_get(struct bfa_s *bfa)
|
|
{
|
|
struct bfa_fcpim_s *fcpim = BFA_FCPIM(bfa);
|
|
|
|
return fcpim->path_tov / 1000;
|
|
}
|
|
|
|
#define bfa_fcpim_add_iostats(__l, __r, __stats) \
|
|
(__l->__stats += __r->__stats)
|
|
|
|
void
|
|
bfa_fcpim_add_stats(struct bfa_itnim_iostats_s *lstats,
|
|
struct bfa_itnim_iostats_s *rstats)
|
|
{
|
|
bfa_fcpim_add_iostats(lstats, rstats, total_ios);
|
|
bfa_fcpim_add_iostats(lstats, rstats, qresumes);
|
|
bfa_fcpim_add_iostats(lstats, rstats, no_iotags);
|
|
bfa_fcpim_add_iostats(lstats, rstats, io_aborts);
|
|
bfa_fcpim_add_iostats(lstats, rstats, no_tskims);
|
|
bfa_fcpim_add_iostats(lstats, rstats, iocomp_ok);
|
|
bfa_fcpim_add_iostats(lstats, rstats, iocomp_underrun);
|
|
bfa_fcpim_add_iostats(lstats, rstats, iocomp_overrun);
|
|
bfa_fcpim_add_iostats(lstats, rstats, iocomp_aborted);
|
|
bfa_fcpim_add_iostats(lstats, rstats, iocomp_timedout);
|
|
bfa_fcpim_add_iostats(lstats, rstats, iocom_nexus_abort);
|
|
bfa_fcpim_add_iostats(lstats, rstats, iocom_proto_err);
|
|
bfa_fcpim_add_iostats(lstats, rstats, iocom_dif_err);
|
|
bfa_fcpim_add_iostats(lstats, rstats, iocom_sqer_needed);
|
|
bfa_fcpim_add_iostats(lstats, rstats, iocom_res_free);
|
|
bfa_fcpim_add_iostats(lstats, rstats, iocom_hostabrts);
|
|
bfa_fcpim_add_iostats(lstats, rstats, iocom_utags);
|
|
bfa_fcpim_add_iostats(lstats, rstats, io_cleanups);
|
|
bfa_fcpim_add_iostats(lstats, rstats, io_tmaborts);
|
|
bfa_fcpim_add_iostats(lstats, rstats, onlines);
|
|
bfa_fcpim_add_iostats(lstats, rstats, offlines);
|
|
bfa_fcpim_add_iostats(lstats, rstats, creates);
|
|
bfa_fcpim_add_iostats(lstats, rstats, deletes);
|
|
bfa_fcpim_add_iostats(lstats, rstats, create_comps);
|
|
bfa_fcpim_add_iostats(lstats, rstats, delete_comps);
|
|
bfa_fcpim_add_iostats(lstats, rstats, sler_events);
|
|
bfa_fcpim_add_iostats(lstats, rstats, fw_create);
|
|
bfa_fcpim_add_iostats(lstats, rstats, fw_delete);
|
|
bfa_fcpim_add_iostats(lstats, rstats, ioc_disabled);
|
|
bfa_fcpim_add_iostats(lstats, rstats, cleanup_comps);
|
|
bfa_fcpim_add_iostats(lstats, rstats, tm_cmnds);
|
|
bfa_fcpim_add_iostats(lstats, rstats, tm_fw_rsps);
|
|
bfa_fcpim_add_iostats(lstats, rstats, tm_success);
|
|
bfa_fcpim_add_iostats(lstats, rstats, tm_failures);
|
|
bfa_fcpim_add_iostats(lstats, rstats, tm_io_comps);
|
|
bfa_fcpim_add_iostats(lstats, rstats, tm_qresumes);
|
|
bfa_fcpim_add_iostats(lstats, rstats, tm_iocdowns);
|
|
bfa_fcpim_add_iostats(lstats, rstats, tm_cleanups);
|
|
bfa_fcpim_add_iostats(lstats, rstats, tm_cleanup_comps);
|
|
bfa_fcpim_add_iostats(lstats, rstats, io_comps);
|
|
bfa_fcpim_add_iostats(lstats, rstats, input_reqs);
|
|
bfa_fcpim_add_iostats(lstats, rstats, output_reqs);
|
|
bfa_fcpim_add_iostats(lstats, rstats, rd_throughput);
|
|
bfa_fcpim_add_iostats(lstats, rstats, wr_throughput);
|
|
}
|
|
|
|
bfa_status_t
|
|
bfa_fcpim_port_iostats(struct bfa_s *bfa,
|
|
struct bfa_itnim_iostats_s *stats, u8 lp_tag)
|
|
{
|
|
struct bfa_fcpim_s *fcpim = BFA_FCPIM(bfa);
|
|
struct list_head *qe, *qen;
|
|
struct bfa_itnim_s *itnim;
|
|
|
|
/* accumulate IO stats from itnim */
|
|
memset(stats, 0, sizeof(struct bfa_itnim_iostats_s));
|
|
list_for_each_safe(qe, qen, &fcpim->itnim_q) {
|
|
itnim = (struct bfa_itnim_s *) qe;
|
|
if (itnim->rport->rport_info.lp_tag != lp_tag)
|
|
continue;
|
|
bfa_fcpim_add_stats(stats, &(itnim->stats));
|
|
}
|
|
return BFA_STATUS_OK;
|
|
}
|
|
|
|
void
|
|
bfa_ioim_profile_comp(struct bfa_ioim_s *ioim)
|
|
{
|
|
struct bfa_itnim_latency_s *io_lat =
|
|
&(ioim->itnim->ioprofile.io_latency);
|
|
u32 val, idx;
|
|
|
|
val = (u32)(jiffies - ioim->start_time);
|
|
idx = bfa_ioim_get_index(scsi_bufflen((struct scsi_cmnd *)ioim->dio));
|
|
bfa_itnim_ioprofile_update(ioim->itnim, idx);
|
|
|
|
io_lat->count[idx]++;
|
|
io_lat->min[idx] = (io_lat->min[idx] < val) ? io_lat->min[idx] : val;
|
|
io_lat->max[idx] = (io_lat->max[idx] > val) ? io_lat->max[idx] : val;
|
|
io_lat->avg[idx] += val;
|
|
}
|
|
|
|
void
|
|
bfa_ioim_profile_start(struct bfa_ioim_s *ioim)
|
|
{
|
|
ioim->start_time = jiffies;
|
|
}
|
|
|
|
bfa_status_t
|
|
bfa_fcpim_profile_on(struct bfa_s *bfa, time64_t time)
|
|
{
|
|
struct bfa_itnim_s *itnim;
|
|
struct bfa_fcpim_s *fcpim = BFA_FCPIM(bfa);
|
|
struct list_head *qe, *qen;
|
|
|
|
/* accumulate IO stats from itnim */
|
|
list_for_each_safe(qe, qen, &fcpim->itnim_q) {
|
|
itnim = (struct bfa_itnim_s *) qe;
|
|
bfa_itnim_clear_stats(itnim);
|
|
}
|
|
fcpim->io_profile = BFA_TRUE;
|
|
fcpim->io_profile_start_time = time;
|
|
fcpim->profile_comp = bfa_ioim_profile_comp;
|
|
fcpim->profile_start = bfa_ioim_profile_start;
|
|
return BFA_STATUS_OK;
|
|
}
|
|
|
|
bfa_status_t
|
|
bfa_fcpim_profile_off(struct bfa_s *bfa)
|
|
{
|
|
struct bfa_fcpim_s *fcpim = BFA_FCPIM(bfa);
|
|
fcpim->io_profile = BFA_FALSE;
|
|
fcpim->io_profile_start_time = 0;
|
|
fcpim->profile_comp = NULL;
|
|
fcpim->profile_start = NULL;
|
|
return BFA_STATUS_OK;
|
|
}
|
|
|
|
u16
|
|
bfa_fcpim_qdepth_get(struct bfa_s *bfa)
|
|
{
|
|
struct bfa_fcpim_s *fcpim = BFA_FCPIM(bfa);
|
|
|
|
return fcpim->q_depth;
|
|
}
|
|
|
|
/*
|
|
* BFA ITNIM module state machine functions
|
|
*/
|
|
|
|
/*
|
|
* Beginning/unallocated state - no events expected.
|
|
*/
|
|
static void
|
|
bfa_itnim_sm_uninit(struct bfa_itnim_s *itnim, enum bfa_itnim_event event)
|
|
{
|
|
bfa_trc(itnim->bfa, itnim->rport->rport_tag);
|
|
bfa_trc(itnim->bfa, event);
|
|
|
|
switch (event) {
|
|
case BFA_ITNIM_SM_CREATE:
|
|
bfa_sm_set_state(itnim, bfa_itnim_sm_created);
|
|
itnim->is_online = BFA_FALSE;
|
|
bfa_fcpim_additn(itnim);
|
|
break;
|
|
|
|
default:
|
|
bfa_sm_fault(itnim->bfa, event);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Beginning state, only online event expected.
|
|
*/
|
|
static void
|
|
bfa_itnim_sm_created(struct bfa_itnim_s *itnim, enum bfa_itnim_event event)
|
|
{
|
|
bfa_trc(itnim->bfa, itnim->rport->rport_tag);
|
|
bfa_trc(itnim->bfa, event);
|
|
|
|
switch (event) {
|
|
case BFA_ITNIM_SM_ONLINE:
|
|
if (bfa_itnim_send_fwcreate(itnim))
|
|
bfa_sm_set_state(itnim, bfa_itnim_sm_fwcreate);
|
|
else
|
|
bfa_sm_set_state(itnim, bfa_itnim_sm_fwcreate_qfull);
|
|
break;
|
|
|
|
case BFA_ITNIM_SM_DELETE:
|
|
bfa_sm_set_state(itnim, bfa_itnim_sm_uninit);
|
|
bfa_fcpim_delitn(itnim);
|
|
break;
|
|
|
|
case BFA_ITNIM_SM_HWFAIL:
|
|
bfa_sm_set_state(itnim, bfa_itnim_sm_iocdisable);
|
|
break;
|
|
|
|
default:
|
|
bfa_sm_fault(itnim->bfa, event);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Waiting for itnim create response from firmware.
|
|
*/
|
|
static void
|
|
bfa_itnim_sm_fwcreate(struct bfa_itnim_s *itnim, enum bfa_itnim_event event)
|
|
{
|
|
bfa_trc(itnim->bfa, itnim->rport->rport_tag);
|
|
bfa_trc(itnim->bfa, event);
|
|
|
|
switch (event) {
|
|
case BFA_ITNIM_SM_FWRSP:
|
|
bfa_sm_set_state(itnim, bfa_itnim_sm_online);
|
|
itnim->is_online = BFA_TRUE;
|
|
bfa_itnim_iotov_online(itnim);
|
|
bfa_itnim_online_cb(itnim);
|
|
break;
|
|
|
|
case BFA_ITNIM_SM_DELETE:
|
|
bfa_sm_set_state(itnim, bfa_itnim_sm_delete_pending);
|
|
break;
|
|
|
|
case BFA_ITNIM_SM_OFFLINE:
|
|
if (bfa_itnim_send_fwdelete(itnim))
|
|
bfa_sm_set_state(itnim, bfa_itnim_sm_fwdelete);
|
|
else
|
|
bfa_sm_set_state(itnim, bfa_itnim_sm_fwdelete_qfull);
|
|
break;
|
|
|
|
case BFA_ITNIM_SM_HWFAIL:
|
|
bfa_sm_set_state(itnim, bfa_itnim_sm_iocdisable);
|
|
break;
|
|
|
|
default:
|
|
bfa_sm_fault(itnim->bfa, event);
|
|
}
|
|
}
|
|
|
|
static void
|
|
bfa_itnim_sm_fwcreate_qfull(struct bfa_itnim_s *itnim,
|
|
enum bfa_itnim_event event)
|
|
{
|
|
bfa_trc(itnim->bfa, itnim->rport->rport_tag);
|
|
bfa_trc(itnim->bfa, event);
|
|
|
|
switch (event) {
|
|
case BFA_ITNIM_SM_QRESUME:
|
|
bfa_sm_set_state(itnim, bfa_itnim_sm_fwcreate);
|
|
bfa_itnim_send_fwcreate(itnim);
|
|
break;
|
|
|
|
case BFA_ITNIM_SM_DELETE:
|
|
bfa_sm_set_state(itnim, bfa_itnim_sm_uninit);
|
|
bfa_reqq_wcancel(&itnim->reqq_wait);
|
|
bfa_fcpim_delitn(itnim);
|
|
break;
|
|
|
|
case BFA_ITNIM_SM_OFFLINE:
|
|
bfa_sm_set_state(itnim, bfa_itnim_sm_offline);
|
|
bfa_reqq_wcancel(&itnim->reqq_wait);
|
|
bfa_itnim_offline_cb(itnim);
|
|
break;
|
|
|
|
case BFA_ITNIM_SM_HWFAIL:
|
|
bfa_sm_set_state(itnim, bfa_itnim_sm_iocdisable);
|
|
bfa_reqq_wcancel(&itnim->reqq_wait);
|
|
break;
|
|
|
|
default:
|
|
bfa_sm_fault(itnim->bfa, event);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Waiting for itnim create response from firmware, a delete is pending.
|
|
*/
|
|
static void
|
|
bfa_itnim_sm_delete_pending(struct bfa_itnim_s *itnim,
|
|
enum bfa_itnim_event event)
|
|
{
|
|
bfa_trc(itnim->bfa, itnim->rport->rport_tag);
|
|
bfa_trc(itnim->bfa, event);
|
|
|
|
switch (event) {
|
|
case BFA_ITNIM_SM_FWRSP:
|
|
if (bfa_itnim_send_fwdelete(itnim))
|
|
bfa_sm_set_state(itnim, bfa_itnim_sm_deleting);
|
|
else
|
|
bfa_sm_set_state(itnim, bfa_itnim_sm_deleting_qfull);
|
|
break;
|
|
|
|
case BFA_ITNIM_SM_HWFAIL:
|
|
bfa_sm_set_state(itnim, bfa_itnim_sm_uninit);
|
|
bfa_fcpim_delitn(itnim);
|
|
break;
|
|
|
|
default:
|
|
bfa_sm_fault(itnim->bfa, event);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Online state - normal parking state.
|
|
*/
|
|
static void
|
|
bfa_itnim_sm_online(struct bfa_itnim_s *itnim, enum bfa_itnim_event event)
|
|
{
|
|
bfa_trc(itnim->bfa, itnim->rport->rport_tag);
|
|
bfa_trc(itnim->bfa, event);
|
|
|
|
switch (event) {
|
|
case BFA_ITNIM_SM_OFFLINE:
|
|
bfa_sm_set_state(itnim, bfa_itnim_sm_cleanup_offline);
|
|
itnim->is_online = BFA_FALSE;
|
|
bfa_itnim_iotov_start(itnim);
|
|
bfa_itnim_cleanup(itnim);
|
|
break;
|
|
|
|
case BFA_ITNIM_SM_DELETE:
|
|
bfa_sm_set_state(itnim, bfa_itnim_sm_cleanup_delete);
|
|
itnim->is_online = BFA_FALSE;
|
|
bfa_itnim_cleanup(itnim);
|
|
break;
|
|
|
|
case BFA_ITNIM_SM_SLER:
|
|
bfa_sm_set_state(itnim, bfa_itnim_sm_sler);
|
|
itnim->is_online = BFA_FALSE;
|
|
bfa_itnim_iotov_start(itnim);
|
|
bfa_itnim_sler_cb(itnim);
|
|
break;
|
|
|
|
case BFA_ITNIM_SM_HWFAIL:
|
|
bfa_sm_set_state(itnim, bfa_itnim_sm_iocdisable);
|
|
itnim->is_online = BFA_FALSE;
|
|
bfa_itnim_iotov_start(itnim);
|
|
bfa_itnim_iocdisable_cleanup(itnim);
|
|
break;
|
|
|
|
default:
|
|
bfa_sm_fault(itnim->bfa, event);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Second level error recovery need.
|
|
*/
|
|
static void
|
|
bfa_itnim_sm_sler(struct bfa_itnim_s *itnim, enum bfa_itnim_event event)
|
|
{
|
|
bfa_trc(itnim->bfa, itnim->rport->rport_tag);
|
|
bfa_trc(itnim->bfa, event);
|
|
|
|
switch (event) {
|
|
case BFA_ITNIM_SM_OFFLINE:
|
|
bfa_sm_set_state(itnim, bfa_itnim_sm_cleanup_offline);
|
|
bfa_itnim_cleanup(itnim);
|
|
break;
|
|
|
|
case BFA_ITNIM_SM_DELETE:
|
|
bfa_sm_set_state(itnim, bfa_itnim_sm_cleanup_delete);
|
|
bfa_itnim_cleanup(itnim);
|
|
bfa_itnim_iotov_delete(itnim);
|
|
break;
|
|
|
|
case BFA_ITNIM_SM_HWFAIL:
|
|
bfa_sm_set_state(itnim, bfa_itnim_sm_iocdisable);
|
|
bfa_itnim_iocdisable_cleanup(itnim);
|
|
break;
|
|
|
|
default:
|
|
bfa_sm_fault(itnim->bfa, event);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Going offline. Waiting for active IO cleanup.
|
|
*/
|
|
static void
|
|
bfa_itnim_sm_cleanup_offline(struct bfa_itnim_s *itnim,
|
|
enum bfa_itnim_event event)
|
|
{
|
|
bfa_trc(itnim->bfa, itnim->rport->rport_tag);
|
|
bfa_trc(itnim->bfa, event);
|
|
|
|
switch (event) {
|
|
case BFA_ITNIM_SM_CLEANUP:
|
|
if (bfa_itnim_send_fwdelete(itnim))
|
|
bfa_sm_set_state(itnim, bfa_itnim_sm_fwdelete);
|
|
else
|
|
bfa_sm_set_state(itnim, bfa_itnim_sm_fwdelete_qfull);
|
|
break;
|
|
|
|
case BFA_ITNIM_SM_DELETE:
|
|
bfa_sm_set_state(itnim, bfa_itnim_sm_cleanup_delete);
|
|
bfa_itnim_iotov_delete(itnim);
|
|
break;
|
|
|
|
case BFA_ITNIM_SM_HWFAIL:
|
|
bfa_sm_set_state(itnim, bfa_itnim_sm_iocdisable);
|
|
bfa_itnim_iocdisable_cleanup(itnim);
|
|
bfa_itnim_offline_cb(itnim);
|
|
break;
|
|
|
|
case BFA_ITNIM_SM_SLER:
|
|
break;
|
|
|
|
default:
|
|
bfa_sm_fault(itnim->bfa, event);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Deleting itnim. Waiting for active IO cleanup.
|
|
*/
|
|
static void
|
|
bfa_itnim_sm_cleanup_delete(struct bfa_itnim_s *itnim,
|
|
enum bfa_itnim_event event)
|
|
{
|
|
bfa_trc(itnim->bfa, itnim->rport->rport_tag);
|
|
bfa_trc(itnim->bfa, event);
|
|
|
|
switch (event) {
|
|
case BFA_ITNIM_SM_CLEANUP:
|
|
if (bfa_itnim_send_fwdelete(itnim))
|
|
bfa_sm_set_state(itnim, bfa_itnim_sm_deleting);
|
|
else
|
|
bfa_sm_set_state(itnim, bfa_itnim_sm_deleting_qfull);
|
|
break;
|
|
|
|
case BFA_ITNIM_SM_HWFAIL:
|
|
bfa_sm_set_state(itnim, bfa_itnim_sm_iocdisable);
|
|
bfa_itnim_iocdisable_cleanup(itnim);
|
|
break;
|
|
|
|
default:
|
|
bfa_sm_fault(itnim->bfa, event);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Rport offline. Fimrware itnim is being deleted - awaiting f/w response.
|
|
*/
|
|
static void
|
|
bfa_itnim_sm_fwdelete(struct bfa_itnim_s *itnim, enum bfa_itnim_event event)
|
|
{
|
|
bfa_trc(itnim->bfa, itnim->rport->rport_tag);
|
|
bfa_trc(itnim->bfa, event);
|
|
|
|
switch (event) {
|
|
case BFA_ITNIM_SM_FWRSP:
|
|
bfa_sm_set_state(itnim, bfa_itnim_sm_offline);
|
|
bfa_itnim_offline_cb(itnim);
|
|
break;
|
|
|
|
case BFA_ITNIM_SM_DELETE:
|
|
bfa_sm_set_state(itnim, bfa_itnim_sm_deleting);
|
|
break;
|
|
|
|
case BFA_ITNIM_SM_HWFAIL:
|
|
bfa_sm_set_state(itnim, bfa_itnim_sm_iocdisable);
|
|
bfa_itnim_offline_cb(itnim);
|
|
break;
|
|
|
|
default:
|
|
bfa_sm_fault(itnim->bfa, event);
|
|
}
|
|
}
|
|
|
|
static void
|
|
bfa_itnim_sm_fwdelete_qfull(struct bfa_itnim_s *itnim,
|
|
enum bfa_itnim_event event)
|
|
{
|
|
bfa_trc(itnim->bfa, itnim->rport->rport_tag);
|
|
bfa_trc(itnim->bfa, event);
|
|
|
|
switch (event) {
|
|
case BFA_ITNIM_SM_QRESUME:
|
|
bfa_sm_set_state(itnim, bfa_itnim_sm_fwdelete);
|
|
bfa_itnim_send_fwdelete(itnim);
|
|
break;
|
|
|
|
case BFA_ITNIM_SM_DELETE:
|
|
bfa_sm_set_state(itnim, bfa_itnim_sm_deleting_qfull);
|
|
break;
|
|
|
|
case BFA_ITNIM_SM_HWFAIL:
|
|
bfa_sm_set_state(itnim, bfa_itnim_sm_iocdisable);
|
|
bfa_reqq_wcancel(&itnim->reqq_wait);
|
|
bfa_itnim_offline_cb(itnim);
|
|
break;
|
|
|
|
default:
|
|
bfa_sm_fault(itnim->bfa, event);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Offline state.
|
|
*/
|
|
static void
|
|
bfa_itnim_sm_offline(struct bfa_itnim_s *itnim, enum bfa_itnim_event event)
|
|
{
|
|
bfa_trc(itnim->bfa, itnim->rport->rport_tag);
|
|
bfa_trc(itnim->bfa, event);
|
|
|
|
switch (event) {
|
|
case BFA_ITNIM_SM_DELETE:
|
|
bfa_sm_set_state(itnim, bfa_itnim_sm_uninit);
|
|
bfa_itnim_iotov_delete(itnim);
|
|
bfa_fcpim_delitn(itnim);
|
|
break;
|
|
|
|
case BFA_ITNIM_SM_ONLINE:
|
|
if (bfa_itnim_send_fwcreate(itnim))
|
|
bfa_sm_set_state(itnim, bfa_itnim_sm_fwcreate);
|
|
else
|
|
bfa_sm_set_state(itnim, bfa_itnim_sm_fwcreate_qfull);
|
|
break;
|
|
|
|
case BFA_ITNIM_SM_HWFAIL:
|
|
bfa_sm_set_state(itnim, bfa_itnim_sm_iocdisable);
|
|
break;
|
|
|
|
default:
|
|
bfa_sm_fault(itnim->bfa, event);
|
|
}
|
|
}
|
|
|
|
static void
|
|
bfa_itnim_sm_iocdisable(struct bfa_itnim_s *itnim,
|
|
enum bfa_itnim_event event)
|
|
{
|
|
bfa_trc(itnim->bfa, itnim->rport->rport_tag);
|
|
bfa_trc(itnim->bfa, event);
|
|
|
|
switch (event) {
|
|
case BFA_ITNIM_SM_DELETE:
|
|
bfa_sm_set_state(itnim, bfa_itnim_sm_uninit);
|
|
bfa_itnim_iotov_delete(itnim);
|
|
bfa_fcpim_delitn(itnim);
|
|
break;
|
|
|
|
case BFA_ITNIM_SM_OFFLINE:
|
|
bfa_itnim_offline_cb(itnim);
|
|
break;
|
|
|
|
case BFA_ITNIM_SM_ONLINE:
|
|
if (bfa_itnim_send_fwcreate(itnim))
|
|
bfa_sm_set_state(itnim, bfa_itnim_sm_fwcreate);
|
|
else
|
|
bfa_sm_set_state(itnim, bfa_itnim_sm_fwcreate_qfull);
|
|
break;
|
|
|
|
case BFA_ITNIM_SM_HWFAIL:
|
|
break;
|
|
|
|
default:
|
|
bfa_sm_fault(itnim->bfa, event);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Itnim is deleted, waiting for firmware response to delete.
|
|
*/
|
|
static void
|
|
bfa_itnim_sm_deleting(struct bfa_itnim_s *itnim, enum bfa_itnim_event event)
|
|
{
|
|
bfa_trc(itnim->bfa, itnim->rport->rport_tag);
|
|
bfa_trc(itnim->bfa, event);
|
|
|
|
switch (event) {
|
|
case BFA_ITNIM_SM_FWRSP:
|
|
case BFA_ITNIM_SM_HWFAIL:
|
|
bfa_sm_set_state(itnim, bfa_itnim_sm_uninit);
|
|
bfa_fcpim_delitn(itnim);
|
|
break;
|
|
|
|
default:
|
|
bfa_sm_fault(itnim->bfa, event);
|
|
}
|
|
}
|
|
|
|
static void
|
|
bfa_itnim_sm_deleting_qfull(struct bfa_itnim_s *itnim,
|
|
enum bfa_itnim_event event)
|
|
{
|
|
bfa_trc(itnim->bfa, itnim->rport->rport_tag);
|
|
bfa_trc(itnim->bfa, event);
|
|
|
|
switch (event) {
|
|
case BFA_ITNIM_SM_QRESUME:
|
|
bfa_sm_set_state(itnim, bfa_itnim_sm_deleting);
|
|
bfa_itnim_send_fwdelete(itnim);
|
|
break;
|
|
|
|
case BFA_ITNIM_SM_HWFAIL:
|
|
bfa_sm_set_state(itnim, bfa_itnim_sm_uninit);
|
|
bfa_reqq_wcancel(&itnim->reqq_wait);
|
|
bfa_fcpim_delitn(itnim);
|
|
break;
|
|
|
|
default:
|
|
bfa_sm_fault(itnim->bfa, event);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Initiate cleanup of all IOs on an IOC failure.
|
|
*/
|
|
static void
|
|
bfa_itnim_iocdisable_cleanup(struct bfa_itnim_s *itnim)
|
|
{
|
|
struct bfa_tskim_s *tskim;
|
|
struct bfa_ioim_s *ioim;
|
|
struct list_head *qe, *qen;
|
|
|
|
list_for_each_safe(qe, qen, &itnim->tsk_q) {
|
|
tskim = (struct bfa_tskim_s *) qe;
|
|
bfa_tskim_iocdisable(tskim);
|
|
}
|
|
|
|
list_for_each_safe(qe, qen, &itnim->io_q) {
|
|
ioim = (struct bfa_ioim_s *) qe;
|
|
bfa_ioim_iocdisable(ioim);
|
|
}
|
|
|
|
/*
|
|
* For IO request in pending queue, we pretend an early timeout.
|
|
*/
|
|
list_for_each_safe(qe, qen, &itnim->pending_q) {
|
|
ioim = (struct bfa_ioim_s *) qe;
|
|
bfa_ioim_tov(ioim);
|
|
}
|
|
|
|
list_for_each_safe(qe, qen, &itnim->io_cleanup_q) {
|
|
ioim = (struct bfa_ioim_s *) qe;
|
|
bfa_ioim_iocdisable(ioim);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* IO cleanup completion
|
|
*/
|
|
static void
|
|
bfa_itnim_cleanp_comp(void *itnim_cbarg)
|
|
{
|
|
struct bfa_itnim_s *itnim = itnim_cbarg;
|
|
|
|
bfa_stats(itnim, cleanup_comps);
|
|
bfa_sm_send_event(itnim, BFA_ITNIM_SM_CLEANUP);
|
|
}
|
|
|
|
/*
|
|
* Initiate cleanup of all IOs.
|
|
*/
|
|
static void
|
|
bfa_itnim_cleanup(struct bfa_itnim_s *itnim)
|
|
{
|
|
struct bfa_ioim_s *ioim;
|
|
struct bfa_tskim_s *tskim;
|
|
struct list_head *qe, *qen;
|
|
|
|
bfa_wc_init(&itnim->wc, bfa_itnim_cleanp_comp, itnim);
|
|
|
|
list_for_each_safe(qe, qen, &itnim->io_q) {
|
|
ioim = (struct bfa_ioim_s *) qe;
|
|
|
|
/*
|
|
* Move IO to a cleanup queue from active queue so that a later
|
|
* TM will not pickup this IO.
|
|
*/
|
|
list_del(&ioim->qe);
|
|
list_add_tail(&ioim->qe, &itnim->io_cleanup_q);
|
|
|
|
bfa_wc_up(&itnim->wc);
|
|
bfa_ioim_cleanup(ioim);
|
|
}
|
|
|
|
list_for_each_safe(qe, qen, &itnim->tsk_q) {
|
|
tskim = (struct bfa_tskim_s *) qe;
|
|
bfa_wc_up(&itnim->wc);
|
|
bfa_tskim_cleanup(tskim);
|
|
}
|
|
|
|
bfa_wc_wait(&itnim->wc);
|
|
}
|
|
|
|
static void
|
|
__bfa_cb_itnim_online(void *cbarg, bfa_boolean_t complete)
|
|
{
|
|
struct bfa_itnim_s *itnim = cbarg;
|
|
|
|
if (complete)
|
|
bfa_cb_itnim_online(itnim->ditn);
|
|
}
|
|
|
|
static void
|
|
__bfa_cb_itnim_offline(void *cbarg, bfa_boolean_t complete)
|
|
{
|
|
struct bfa_itnim_s *itnim = cbarg;
|
|
|
|
if (complete)
|
|
bfa_cb_itnim_offline(itnim->ditn);
|
|
}
|
|
|
|
static void
|
|
__bfa_cb_itnim_sler(void *cbarg, bfa_boolean_t complete)
|
|
{
|
|
struct bfa_itnim_s *itnim = cbarg;
|
|
|
|
if (complete)
|
|
bfa_cb_itnim_sler(itnim->ditn);
|
|
}
|
|
|
|
/*
|
|
* Call to resume any I/O requests waiting for room in request queue.
|
|
*/
|
|
static void
|
|
bfa_itnim_qresume(void *cbarg)
|
|
{
|
|
struct bfa_itnim_s *itnim = cbarg;
|
|
|
|
bfa_sm_send_event(itnim, BFA_ITNIM_SM_QRESUME);
|
|
}
|
|
|
|
/*
|
|
* bfa_itnim_public
|
|
*/
|
|
|
|
void
|
|
bfa_itnim_iodone(struct bfa_itnim_s *itnim)
|
|
{
|
|
bfa_wc_down(&itnim->wc);
|
|
}
|
|
|
|
void
|
|
bfa_itnim_tskdone(struct bfa_itnim_s *itnim)
|
|
{
|
|
bfa_wc_down(&itnim->wc);
|
|
}
|
|
|
|
void
|
|
bfa_itnim_meminfo(struct bfa_iocfc_cfg_s *cfg, u32 *km_len)
|
|
{
|
|
/*
|
|
* ITN memory
|
|
*/
|
|
*km_len += cfg->fwcfg.num_rports * sizeof(struct bfa_itnim_s);
|
|
}
|
|
|
|
void
|
|
bfa_itnim_attach(struct bfa_fcpim_s *fcpim)
|
|
{
|
|
struct bfa_s *bfa = fcpim->bfa;
|
|
struct bfa_fcp_mod_s *fcp = fcpim->fcp;
|
|
struct bfa_itnim_s *itnim;
|
|
int i, j;
|
|
|
|
INIT_LIST_HEAD(&fcpim->itnim_q);
|
|
|
|
itnim = (struct bfa_itnim_s *) bfa_mem_kva_curp(fcp);
|
|
fcpim->itnim_arr = itnim;
|
|
|
|
for (i = 0; i < fcpim->num_itnims; i++, itnim++) {
|
|
memset(itnim, 0, sizeof(struct bfa_itnim_s));
|
|
itnim->bfa = bfa;
|
|
itnim->fcpim = fcpim;
|
|
itnim->reqq = BFA_REQQ_QOS_LO;
|
|
itnim->rport = BFA_RPORT_FROM_TAG(bfa, i);
|
|
itnim->iotov_active = BFA_FALSE;
|
|
bfa_reqq_winit(&itnim->reqq_wait, bfa_itnim_qresume, itnim);
|
|
|
|
INIT_LIST_HEAD(&itnim->io_q);
|
|
INIT_LIST_HEAD(&itnim->io_cleanup_q);
|
|
INIT_LIST_HEAD(&itnim->pending_q);
|
|
INIT_LIST_HEAD(&itnim->tsk_q);
|
|
INIT_LIST_HEAD(&itnim->delay_comp_q);
|
|
for (j = 0; j < BFA_IOBUCKET_MAX; j++)
|
|
itnim->ioprofile.io_latency.min[j] = ~0;
|
|
bfa_sm_set_state(itnim, bfa_itnim_sm_uninit);
|
|
}
|
|
|
|
bfa_mem_kva_curp(fcp) = (u8 *) itnim;
|
|
}
|
|
|
|
void
|
|
bfa_itnim_iocdisable(struct bfa_itnim_s *itnim)
|
|
{
|
|
bfa_stats(itnim, ioc_disabled);
|
|
bfa_sm_send_event(itnim, BFA_ITNIM_SM_HWFAIL);
|
|
}
|
|
|
|
static bfa_boolean_t
|
|
bfa_itnim_send_fwcreate(struct bfa_itnim_s *itnim)
|
|
{
|
|
struct bfi_itn_create_req_s *m;
|
|
|
|
itnim->msg_no++;
|
|
|
|
/*
|
|
* check for room in queue to send request now
|
|
*/
|
|
m = bfa_reqq_next(itnim->bfa, itnim->reqq);
|
|
if (!m) {
|
|
bfa_reqq_wait(itnim->bfa, itnim->reqq, &itnim->reqq_wait);
|
|
return BFA_FALSE;
|
|
}
|
|
|
|
bfi_h2i_set(m->mh, BFI_MC_ITN, BFI_ITN_H2I_CREATE_REQ,
|
|
bfa_fn_lpu(itnim->bfa));
|
|
m->fw_handle = itnim->rport->fw_handle;
|
|
m->class = FC_CLASS_3;
|
|
m->seq_rec = itnim->seq_rec;
|
|
m->msg_no = itnim->msg_no;
|
|
bfa_stats(itnim, fw_create);
|
|
|
|
/*
|
|
* queue I/O message to firmware
|
|
*/
|
|
bfa_reqq_produce(itnim->bfa, itnim->reqq, m->mh);
|
|
return BFA_TRUE;
|
|
}
|
|
|
|
static bfa_boolean_t
|
|
bfa_itnim_send_fwdelete(struct bfa_itnim_s *itnim)
|
|
{
|
|
struct bfi_itn_delete_req_s *m;
|
|
|
|
/*
|
|
* check for room in queue to send request now
|
|
*/
|
|
m = bfa_reqq_next(itnim->bfa, itnim->reqq);
|
|
if (!m) {
|
|
bfa_reqq_wait(itnim->bfa, itnim->reqq, &itnim->reqq_wait);
|
|
return BFA_FALSE;
|
|
}
|
|
|
|
bfi_h2i_set(m->mh, BFI_MC_ITN, BFI_ITN_H2I_DELETE_REQ,
|
|
bfa_fn_lpu(itnim->bfa));
|
|
m->fw_handle = itnim->rport->fw_handle;
|
|
bfa_stats(itnim, fw_delete);
|
|
|
|
/*
|
|
* queue I/O message to firmware
|
|
*/
|
|
bfa_reqq_produce(itnim->bfa, itnim->reqq, m->mh);
|
|
return BFA_TRUE;
|
|
}
|
|
|
|
/*
|
|
* Cleanup all pending failed inflight requests.
|
|
*/
|
|
static void
|
|
bfa_itnim_delayed_comp(struct bfa_itnim_s *itnim, bfa_boolean_t iotov)
|
|
{
|
|
struct bfa_ioim_s *ioim;
|
|
struct list_head *qe, *qen;
|
|
|
|
list_for_each_safe(qe, qen, &itnim->delay_comp_q) {
|
|
ioim = (struct bfa_ioim_s *)qe;
|
|
bfa_ioim_delayed_comp(ioim, iotov);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Start all pending IO requests.
|
|
*/
|
|
static void
|
|
bfa_itnim_iotov_online(struct bfa_itnim_s *itnim)
|
|
{
|
|
struct bfa_ioim_s *ioim;
|
|
|
|
bfa_itnim_iotov_stop(itnim);
|
|
|
|
/*
|
|
* Abort all inflight IO requests in the queue
|
|
*/
|
|
bfa_itnim_delayed_comp(itnim, BFA_FALSE);
|
|
|
|
/*
|
|
* Start all pending IO requests.
|
|
*/
|
|
while (!list_empty(&itnim->pending_q)) {
|
|
bfa_q_deq(&itnim->pending_q, &ioim);
|
|
list_add_tail(&ioim->qe, &itnim->io_q);
|
|
bfa_ioim_start(ioim);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Fail all pending IO requests
|
|
*/
|
|
static void
|
|
bfa_itnim_iotov_cleanup(struct bfa_itnim_s *itnim)
|
|
{
|
|
struct bfa_ioim_s *ioim;
|
|
|
|
/*
|
|
* Fail all inflight IO requests in the queue
|
|
*/
|
|
bfa_itnim_delayed_comp(itnim, BFA_TRUE);
|
|
|
|
/*
|
|
* Fail any pending IO requests.
|
|
*/
|
|
while (!list_empty(&itnim->pending_q)) {
|
|
bfa_q_deq(&itnim->pending_q, &ioim);
|
|
list_add_tail(&ioim->qe, &ioim->fcpim->ioim_comp_q);
|
|
bfa_ioim_tov(ioim);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* IO TOV timer callback. Fail any pending IO requests.
|
|
*/
|
|
static void
|
|
bfa_itnim_iotov(void *itnim_arg)
|
|
{
|
|
struct bfa_itnim_s *itnim = itnim_arg;
|
|
|
|
itnim->iotov_active = BFA_FALSE;
|
|
|
|
bfa_cb_itnim_tov_begin(itnim->ditn);
|
|
bfa_itnim_iotov_cleanup(itnim);
|
|
bfa_cb_itnim_tov(itnim->ditn);
|
|
}
|
|
|
|
/*
|
|
* Start IO TOV timer for failing back pending IO requests in offline state.
|
|
*/
|
|
static void
|
|
bfa_itnim_iotov_start(struct bfa_itnim_s *itnim)
|
|
{
|
|
if (itnim->fcpim->path_tov > 0) {
|
|
|
|
itnim->iotov_active = BFA_TRUE;
|
|
WARN_ON(!bfa_itnim_hold_io(itnim));
|
|
bfa_timer_start(itnim->bfa, &itnim->timer,
|
|
bfa_itnim_iotov, itnim, itnim->fcpim->path_tov);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Stop IO TOV timer.
|
|
*/
|
|
static void
|
|
bfa_itnim_iotov_stop(struct bfa_itnim_s *itnim)
|
|
{
|
|
if (itnim->iotov_active) {
|
|
itnim->iotov_active = BFA_FALSE;
|
|
bfa_timer_stop(&itnim->timer);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Stop IO TOV timer.
|
|
*/
|
|
static void
|
|
bfa_itnim_iotov_delete(struct bfa_itnim_s *itnim)
|
|
{
|
|
bfa_boolean_t pathtov_active = BFA_FALSE;
|
|
|
|
if (itnim->iotov_active)
|
|
pathtov_active = BFA_TRUE;
|
|
|
|
bfa_itnim_iotov_stop(itnim);
|
|
if (pathtov_active)
|
|
bfa_cb_itnim_tov_begin(itnim->ditn);
|
|
bfa_itnim_iotov_cleanup(itnim);
|
|
if (pathtov_active)
|
|
bfa_cb_itnim_tov(itnim->ditn);
|
|
}
|
|
|
|
static void
|
|
bfa_itnim_update_del_itn_stats(struct bfa_itnim_s *itnim)
|
|
{
|
|
struct bfa_fcpim_s *fcpim = BFA_FCPIM(itnim->bfa);
|
|
fcpim->del_itn_stats.del_itn_iocomp_aborted +=
|
|
itnim->stats.iocomp_aborted;
|
|
fcpim->del_itn_stats.del_itn_iocomp_timedout +=
|
|
itnim->stats.iocomp_timedout;
|
|
fcpim->del_itn_stats.del_itn_iocom_sqer_needed +=
|
|
itnim->stats.iocom_sqer_needed;
|
|
fcpim->del_itn_stats.del_itn_iocom_res_free +=
|
|
itnim->stats.iocom_res_free;
|
|
fcpim->del_itn_stats.del_itn_iocom_hostabrts +=
|
|
itnim->stats.iocom_hostabrts;
|
|
fcpim->del_itn_stats.del_itn_total_ios += itnim->stats.total_ios;
|
|
fcpim->del_itn_stats.del_io_iocdowns += itnim->stats.io_iocdowns;
|
|
fcpim->del_itn_stats.del_tm_iocdowns += itnim->stats.tm_iocdowns;
|
|
}
|
|
|
|
/*
|
|
* bfa_itnim_public
|
|
*/
|
|
|
|
/*
|
|
* Itnim interrupt processing.
|
|
*/
|
|
void
|
|
bfa_itnim_isr(struct bfa_s *bfa, struct bfi_msg_s *m)
|
|
{
|
|
struct bfa_fcpim_s *fcpim = BFA_FCPIM(bfa);
|
|
union bfi_itn_i2h_msg_u msg;
|
|
struct bfa_itnim_s *itnim;
|
|
|
|
bfa_trc(bfa, m->mhdr.msg_id);
|
|
|
|
msg.msg = m;
|
|
|
|
switch (m->mhdr.msg_id) {
|
|
case BFI_ITN_I2H_CREATE_RSP:
|
|
itnim = BFA_ITNIM_FROM_TAG(fcpim,
|
|
msg.create_rsp->bfa_handle);
|
|
WARN_ON(msg.create_rsp->status != BFA_STATUS_OK);
|
|
bfa_stats(itnim, create_comps);
|
|
bfa_sm_send_event(itnim, BFA_ITNIM_SM_FWRSP);
|
|
break;
|
|
|
|
case BFI_ITN_I2H_DELETE_RSP:
|
|
itnim = BFA_ITNIM_FROM_TAG(fcpim,
|
|
msg.delete_rsp->bfa_handle);
|
|
WARN_ON(msg.delete_rsp->status != BFA_STATUS_OK);
|
|
bfa_stats(itnim, delete_comps);
|
|
bfa_sm_send_event(itnim, BFA_ITNIM_SM_FWRSP);
|
|
break;
|
|
|
|
case BFI_ITN_I2H_SLER_EVENT:
|
|
itnim = BFA_ITNIM_FROM_TAG(fcpim,
|
|
msg.sler_event->bfa_handle);
|
|
bfa_stats(itnim, sler_events);
|
|
bfa_sm_send_event(itnim, BFA_ITNIM_SM_SLER);
|
|
break;
|
|
|
|
default:
|
|
bfa_trc(bfa, m->mhdr.msg_id);
|
|
WARN_ON(1);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* bfa_itnim_api
|
|
*/
|
|
|
|
struct bfa_itnim_s *
|
|
bfa_itnim_create(struct bfa_s *bfa, struct bfa_rport_s *rport, void *ditn)
|
|
{
|
|
struct bfa_fcpim_s *fcpim = BFA_FCPIM(bfa);
|
|
struct bfa_itnim_s *itnim;
|
|
|
|
bfa_itn_create(bfa, rport, bfa_itnim_isr);
|
|
|
|
itnim = BFA_ITNIM_FROM_TAG(fcpim, rport->rport_tag);
|
|
WARN_ON(itnim->rport != rport);
|
|
|
|
itnim->ditn = ditn;
|
|
|
|
bfa_stats(itnim, creates);
|
|
bfa_sm_send_event(itnim, BFA_ITNIM_SM_CREATE);
|
|
|
|
return itnim;
|
|
}
|
|
|
|
void
|
|
bfa_itnim_delete(struct bfa_itnim_s *itnim)
|
|
{
|
|
bfa_stats(itnim, deletes);
|
|
bfa_sm_send_event(itnim, BFA_ITNIM_SM_DELETE);
|
|
}
|
|
|
|
void
|
|
bfa_itnim_online(struct bfa_itnim_s *itnim, bfa_boolean_t seq_rec)
|
|
{
|
|
itnim->seq_rec = seq_rec;
|
|
bfa_stats(itnim, onlines);
|
|
bfa_sm_send_event(itnim, BFA_ITNIM_SM_ONLINE);
|
|
}
|
|
|
|
void
|
|
bfa_itnim_offline(struct bfa_itnim_s *itnim)
|
|
{
|
|
bfa_stats(itnim, offlines);
|
|
bfa_sm_send_event(itnim, BFA_ITNIM_SM_OFFLINE);
|
|
}
|
|
|
|
/*
|
|
* Return true if itnim is considered offline for holding off IO request.
|
|
* IO is not held if itnim is being deleted.
|
|
*/
|
|
bfa_boolean_t
|
|
bfa_itnim_hold_io(struct bfa_itnim_s *itnim)
|
|
{
|
|
return itnim->fcpim->path_tov && itnim->iotov_active &&
|
|
(bfa_sm_cmp_state(itnim, bfa_itnim_sm_fwcreate) ||
|
|
bfa_sm_cmp_state(itnim, bfa_itnim_sm_sler) ||
|
|
bfa_sm_cmp_state(itnim, bfa_itnim_sm_cleanup_offline) ||
|
|
bfa_sm_cmp_state(itnim, bfa_itnim_sm_fwdelete) ||
|
|
bfa_sm_cmp_state(itnim, bfa_itnim_sm_offline) ||
|
|
bfa_sm_cmp_state(itnim, bfa_itnim_sm_iocdisable));
|
|
}
|
|
|
|
#define bfa_io_lat_clock_res_div HZ
|
|
#define bfa_io_lat_clock_res_mul 1000
|
|
bfa_status_t
|
|
bfa_itnim_get_ioprofile(struct bfa_itnim_s *itnim,
|
|
struct bfa_itnim_ioprofile_s *ioprofile)
|
|
{
|
|
struct bfa_fcpim_s *fcpim;
|
|
|
|
if (!itnim)
|
|
return BFA_STATUS_NO_FCPIM_NEXUS;
|
|
|
|
fcpim = BFA_FCPIM(itnim->bfa);
|
|
|
|
if (!fcpim->io_profile)
|
|
return BFA_STATUS_IOPROFILE_OFF;
|
|
|
|
itnim->ioprofile.index = BFA_IOBUCKET_MAX;
|
|
/* unsigned 32-bit time_t overflow here in y2106 */
|
|
itnim->ioprofile.io_profile_start_time =
|
|
bfa_io_profile_start_time(itnim->bfa);
|
|
itnim->ioprofile.clock_res_mul = bfa_io_lat_clock_res_mul;
|
|
itnim->ioprofile.clock_res_div = bfa_io_lat_clock_res_div;
|
|
*ioprofile = itnim->ioprofile;
|
|
|
|
return BFA_STATUS_OK;
|
|
}
|
|
|
|
void
|
|
bfa_itnim_clear_stats(struct bfa_itnim_s *itnim)
|
|
{
|
|
int j;
|
|
|
|
if (!itnim)
|
|
return;
|
|
|
|
memset(&itnim->stats, 0, sizeof(itnim->stats));
|
|
memset(&itnim->ioprofile, 0, sizeof(itnim->ioprofile));
|
|
for (j = 0; j < BFA_IOBUCKET_MAX; j++)
|
|
itnim->ioprofile.io_latency.min[j] = ~0;
|
|
}
|
|
|
|
/*
|
|
* BFA IO module state machine functions
|
|
*/
|
|
|
|
/*
|
|
* IO is not started (unallocated).
|
|
*/
|
|
static void
|
|
bfa_ioim_sm_uninit(struct bfa_ioim_s *ioim, enum bfa_ioim_event event)
|
|
{
|
|
switch (event) {
|
|
case BFA_IOIM_SM_START:
|
|
if (!bfa_itnim_is_online(ioim->itnim)) {
|
|
if (!bfa_itnim_hold_io(ioim->itnim)) {
|
|
bfa_sm_set_state(ioim, bfa_ioim_sm_hcb);
|
|
list_del(&ioim->qe);
|
|
list_add_tail(&ioim->qe,
|
|
&ioim->fcpim->ioim_comp_q);
|
|
bfa_cb_queue(ioim->bfa, &ioim->hcb_qe,
|
|
__bfa_cb_ioim_pathtov, ioim);
|
|
} else {
|
|
list_del(&ioim->qe);
|
|
list_add_tail(&ioim->qe,
|
|
&ioim->itnim->pending_q);
|
|
}
|
|
break;
|
|
}
|
|
|
|
if (ioim->nsges > BFI_SGE_INLINE) {
|
|
if (!bfa_ioim_sgpg_alloc(ioim)) {
|
|
bfa_sm_set_state(ioim, bfa_ioim_sm_sgalloc);
|
|
return;
|
|
}
|
|
}
|
|
|
|
if (!bfa_ioim_send_ioreq(ioim)) {
|
|
bfa_sm_set_state(ioim, bfa_ioim_sm_qfull);
|
|
break;
|
|
}
|
|
|
|
bfa_sm_set_state(ioim, bfa_ioim_sm_active);
|
|
break;
|
|
|
|
case BFA_IOIM_SM_IOTOV:
|
|
bfa_sm_set_state(ioim, bfa_ioim_sm_hcb);
|
|
bfa_ioim_move_to_comp_q(ioim);
|
|
bfa_cb_queue(ioim->bfa, &ioim->hcb_qe,
|
|
__bfa_cb_ioim_pathtov, ioim);
|
|
break;
|
|
|
|
case BFA_IOIM_SM_ABORT:
|
|
/*
|
|
* IO in pending queue can get abort requests. Complete abort
|
|
* requests immediately.
|
|
*/
|
|
bfa_sm_set_state(ioim, bfa_ioim_sm_hcb);
|
|
WARN_ON(!bfa_q_is_on_q(&ioim->itnim->pending_q, ioim));
|
|
bfa_cb_queue(ioim->bfa, &ioim->hcb_qe,
|
|
__bfa_cb_ioim_abort, ioim);
|
|
break;
|
|
|
|
default:
|
|
bfa_sm_fault(ioim->bfa, event);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* IO is waiting for SG pages.
|
|
*/
|
|
static void
|
|
bfa_ioim_sm_sgalloc(struct bfa_ioim_s *ioim, enum bfa_ioim_event event)
|
|
{
|
|
bfa_trc(ioim->bfa, ioim->iotag);
|
|
bfa_trc(ioim->bfa, event);
|
|
|
|
switch (event) {
|
|
case BFA_IOIM_SM_SGALLOCED:
|
|
if (!bfa_ioim_send_ioreq(ioim)) {
|
|
bfa_sm_set_state(ioim, bfa_ioim_sm_qfull);
|
|
break;
|
|
}
|
|
bfa_sm_set_state(ioim, bfa_ioim_sm_active);
|
|
break;
|
|
|
|
case BFA_IOIM_SM_CLEANUP:
|
|
bfa_sm_set_state(ioim, bfa_ioim_sm_hcb);
|
|
bfa_sgpg_wcancel(ioim->bfa, &ioim->iosp->sgpg_wqe);
|
|
bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_failed,
|
|
ioim);
|
|
bfa_ioim_notify_cleanup(ioim);
|
|
break;
|
|
|
|
case BFA_IOIM_SM_ABORT:
|
|
bfa_sm_set_state(ioim, bfa_ioim_sm_hcb);
|
|
bfa_sgpg_wcancel(ioim->bfa, &ioim->iosp->sgpg_wqe);
|
|
bfa_ioim_move_to_comp_q(ioim);
|
|
bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_abort,
|
|
ioim);
|
|
break;
|
|
|
|
case BFA_IOIM_SM_HWFAIL:
|
|
bfa_sm_set_state(ioim, bfa_ioim_sm_hcb);
|
|
bfa_sgpg_wcancel(ioim->bfa, &ioim->iosp->sgpg_wqe);
|
|
bfa_ioim_move_to_comp_q(ioim);
|
|
bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_failed,
|
|
ioim);
|
|
break;
|
|
|
|
default:
|
|
bfa_sm_fault(ioim->bfa, event);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* IO is active.
|
|
*/
|
|
static void
|
|
bfa_ioim_sm_active(struct bfa_ioim_s *ioim, enum bfa_ioim_event event)
|
|
{
|
|
switch (event) {
|
|
case BFA_IOIM_SM_COMP_GOOD:
|
|
bfa_sm_set_state(ioim, bfa_ioim_sm_hcb);
|
|
bfa_ioim_move_to_comp_q(ioim);
|
|
bfa_cb_queue(ioim->bfa, &ioim->hcb_qe,
|
|
__bfa_cb_ioim_good_comp, ioim);
|
|
break;
|
|
|
|
case BFA_IOIM_SM_COMP:
|
|
bfa_sm_set_state(ioim, bfa_ioim_sm_hcb);
|
|
bfa_ioim_move_to_comp_q(ioim);
|
|
bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_comp,
|
|
ioim);
|
|
break;
|
|
|
|
case BFA_IOIM_SM_DONE:
|
|
bfa_sm_set_state(ioim, bfa_ioim_sm_hcb_free);
|
|
bfa_ioim_move_to_comp_q(ioim);
|
|
bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_comp,
|
|
ioim);
|
|
break;
|
|
|
|
case BFA_IOIM_SM_ABORT:
|
|
ioim->iosp->abort_explicit = BFA_TRUE;
|
|
ioim->io_cbfn = __bfa_cb_ioim_abort;
|
|
|
|
if (bfa_ioim_send_abort(ioim))
|
|
bfa_sm_set_state(ioim, bfa_ioim_sm_abort);
|
|
else {
|
|
bfa_sm_set_state(ioim, bfa_ioim_sm_abort_qfull);
|
|
bfa_stats(ioim->itnim, qwait);
|
|
bfa_reqq_wait(ioim->bfa, ioim->reqq,
|
|
&ioim->iosp->reqq_wait);
|
|
}
|
|
break;
|
|
|
|
case BFA_IOIM_SM_CLEANUP:
|
|
ioim->iosp->abort_explicit = BFA_FALSE;
|
|
ioim->io_cbfn = __bfa_cb_ioim_failed;
|
|
|
|
if (bfa_ioim_send_abort(ioim))
|
|
bfa_sm_set_state(ioim, bfa_ioim_sm_cleanup);
|
|
else {
|
|
bfa_sm_set_state(ioim, bfa_ioim_sm_cleanup_qfull);
|
|
bfa_stats(ioim->itnim, qwait);
|
|
bfa_reqq_wait(ioim->bfa, ioim->reqq,
|
|
&ioim->iosp->reqq_wait);
|
|
}
|
|
break;
|
|
|
|
case BFA_IOIM_SM_HWFAIL:
|
|
bfa_sm_set_state(ioim, bfa_ioim_sm_hcb);
|
|
bfa_ioim_move_to_comp_q(ioim);
|
|
bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_failed,
|
|
ioim);
|
|
break;
|
|
|
|
case BFA_IOIM_SM_SQRETRY:
|
|
if (bfa_ioim_maxretry_reached(ioim)) {
|
|
/* max retry reached, free IO */
|
|
bfa_sm_set_state(ioim, bfa_ioim_sm_hcb_free);
|
|
bfa_ioim_move_to_comp_q(ioim);
|
|
bfa_cb_queue(ioim->bfa, &ioim->hcb_qe,
|
|
__bfa_cb_ioim_failed, ioim);
|
|
break;
|
|
}
|
|
/* waiting for IO tag resource free */
|
|
bfa_sm_set_state(ioim, bfa_ioim_sm_cmnd_retry);
|
|
break;
|
|
|
|
default:
|
|
bfa_sm_fault(ioim->bfa, event);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* IO is retried with new tag.
|
|
*/
|
|
static void
|
|
bfa_ioim_sm_cmnd_retry(struct bfa_ioim_s *ioim, enum bfa_ioim_event event)
|
|
{
|
|
switch (event) {
|
|
case BFA_IOIM_SM_FREE:
|
|
/* abts and rrq done. Now retry the IO with new tag */
|
|
bfa_ioim_update_iotag(ioim);
|
|
if (!bfa_ioim_send_ioreq(ioim)) {
|
|
bfa_sm_set_state(ioim, bfa_ioim_sm_qfull);
|
|
break;
|
|
}
|
|
bfa_sm_set_state(ioim, bfa_ioim_sm_active);
|
|
break;
|
|
|
|
case BFA_IOIM_SM_CLEANUP:
|
|
ioim->iosp->abort_explicit = BFA_FALSE;
|
|
ioim->io_cbfn = __bfa_cb_ioim_failed;
|
|
|
|
if (bfa_ioim_send_abort(ioim))
|
|
bfa_sm_set_state(ioim, bfa_ioim_sm_cleanup);
|
|
else {
|
|
bfa_sm_set_state(ioim, bfa_ioim_sm_cleanup_qfull);
|
|
bfa_stats(ioim->itnim, qwait);
|
|
bfa_reqq_wait(ioim->bfa, ioim->reqq,
|
|
&ioim->iosp->reqq_wait);
|
|
}
|
|
break;
|
|
|
|
case BFA_IOIM_SM_HWFAIL:
|
|
bfa_sm_set_state(ioim, bfa_ioim_sm_hcb);
|
|
bfa_ioim_move_to_comp_q(ioim);
|
|
bfa_cb_queue(ioim->bfa, &ioim->hcb_qe,
|
|
__bfa_cb_ioim_failed, ioim);
|
|
break;
|
|
|
|
case BFA_IOIM_SM_ABORT:
|
|
/* in this state IO abort is done.
|
|
* Waiting for IO tag resource free.
|
|
*/
|
|
bfa_sm_set_state(ioim, bfa_ioim_sm_hcb_free);
|
|
bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_abort,
|
|
ioim);
|
|
break;
|
|
|
|
default:
|
|
bfa_sm_fault(ioim->bfa, event);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* IO is being aborted, waiting for completion from firmware.
|
|
*/
|
|
static void
|
|
bfa_ioim_sm_abort(struct bfa_ioim_s *ioim, enum bfa_ioim_event event)
|
|
{
|
|
bfa_trc(ioim->bfa, ioim->iotag);
|
|
bfa_trc(ioim->bfa, event);
|
|
|
|
switch (event) {
|
|
case BFA_IOIM_SM_COMP_GOOD:
|
|
case BFA_IOIM_SM_COMP:
|
|
case BFA_IOIM_SM_DONE:
|
|
case BFA_IOIM_SM_FREE:
|
|
break;
|
|
|
|
case BFA_IOIM_SM_ABORT_DONE:
|
|
bfa_sm_set_state(ioim, bfa_ioim_sm_hcb_free);
|
|
bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_abort,
|
|
ioim);
|
|
break;
|
|
|
|
case BFA_IOIM_SM_ABORT_COMP:
|
|
bfa_sm_set_state(ioim, bfa_ioim_sm_hcb);
|
|
bfa_ioim_move_to_comp_q(ioim);
|
|
bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_abort,
|
|
ioim);
|
|
break;
|
|
|
|
case BFA_IOIM_SM_COMP_UTAG:
|
|
bfa_sm_set_state(ioim, bfa_ioim_sm_hcb);
|
|
bfa_ioim_move_to_comp_q(ioim);
|
|
bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_abort,
|
|
ioim);
|
|
break;
|
|
|
|
case BFA_IOIM_SM_CLEANUP:
|
|
WARN_ON(ioim->iosp->abort_explicit != BFA_TRUE);
|
|
ioim->iosp->abort_explicit = BFA_FALSE;
|
|
|
|
if (bfa_ioim_send_abort(ioim))
|
|
bfa_sm_set_state(ioim, bfa_ioim_sm_cleanup);
|
|
else {
|
|
bfa_sm_set_state(ioim, bfa_ioim_sm_cleanup_qfull);
|
|
bfa_stats(ioim->itnim, qwait);
|
|
bfa_reqq_wait(ioim->bfa, ioim->reqq,
|
|
&ioim->iosp->reqq_wait);
|
|
}
|
|
break;
|
|
|
|
case BFA_IOIM_SM_HWFAIL:
|
|
bfa_sm_set_state(ioim, bfa_ioim_sm_hcb);
|
|
bfa_ioim_move_to_comp_q(ioim);
|
|
bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_failed,
|
|
ioim);
|
|
break;
|
|
|
|
default:
|
|
bfa_sm_fault(ioim->bfa, event);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* IO is being cleaned up (implicit abort), waiting for completion from
|
|
* firmware.
|
|
*/
|
|
static void
|
|
bfa_ioim_sm_cleanup(struct bfa_ioim_s *ioim, enum bfa_ioim_event event)
|
|
{
|
|
bfa_trc(ioim->bfa, ioim->iotag);
|
|
bfa_trc(ioim->bfa, event);
|
|
|
|
switch (event) {
|
|
case BFA_IOIM_SM_COMP_GOOD:
|
|
case BFA_IOIM_SM_COMP:
|
|
case BFA_IOIM_SM_DONE:
|
|
case BFA_IOIM_SM_FREE:
|
|
break;
|
|
|
|
case BFA_IOIM_SM_ABORT:
|
|
/*
|
|
* IO is already being aborted implicitly
|
|
*/
|
|
ioim->io_cbfn = __bfa_cb_ioim_abort;
|
|
break;
|
|
|
|
case BFA_IOIM_SM_ABORT_DONE:
|
|
bfa_sm_set_state(ioim, bfa_ioim_sm_hcb_free);
|
|
bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, ioim->io_cbfn, ioim);
|
|
bfa_ioim_notify_cleanup(ioim);
|
|
break;
|
|
|
|
case BFA_IOIM_SM_ABORT_COMP:
|
|
bfa_sm_set_state(ioim, bfa_ioim_sm_hcb);
|
|
bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, ioim->io_cbfn, ioim);
|
|
bfa_ioim_notify_cleanup(ioim);
|
|
break;
|
|
|
|
case BFA_IOIM_SM_COMP_UTAG:
|
|
bfa_sm_set_state(ioim, bfa_ioim_sm_hcb);
|
|
bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, ioim->io_cbfn, ioim);
|
|
bfa_ioim_notify_cleanup(ioim);
|
|
break;
|
|
|
|
case BFA_IOIM_SM_HWFAIL:
|
|
bfa_sm_set_state(ioim, bfa_ioim_sm_hcb);
|
|
bfa_ioim_move_to_comp_q(ioim);
|
|
bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_failed,
|
|
ioim);
|
|
break;
|
|
|
|
case BFA_IOIM_SM_CLEANUP:
|
|
/*
|
|
* IO can be in cleanup state already due to TM command.
|
|
* 2nd cleanup request comes from ITN offline event.
|
|
*/
|
|
break;
|
|
|
|
default:
|
|
bfa_sm_fault(ioim->bfa, event);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* IO is waiting for room in request CQ
|
|
*/
|
|
static void
|
|
bfa_ioim_sm_qfull(struct bfa_ioim_s *ioim, enum bfa_ioim_event event)
|
|
{
|
|
bfa_trc(ioim->bfa, ioim->iotag);
|
|
bfa_trc(ioim->bfa, event);
|
|
|
|
switch (event) {
|
|
case BFA_IOIM_SM_QRESUME:
|
|
bfa_sm_set_state(ioim, bfa_ioim_sm_active);
|
|
bfa_ioim_send_ioreq(ioim);
|
|
break;
|
|
|
|
case BFA_IOIM_SM_ABORT:
|
|
bfa_sm_set_state(ioim, bfa_ioim_sm_hcb);
|
|
bfa_reqq_wcancel(&ioim->iosp->reqq_wait);
|
|
bfa_ioim_move_to_comp_q(ioim);
|
|
bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_abort,
|
|
ioim);
|
|
break;
|
|
|
|
case BFA_IOIM_SM_CLEANUP:
|
|
bfa_sm_set_state(ioim, bfa_ioim_sm_hcb);
|
|
bfa_reqq_wcancel(&ioim->iosp->reqq_wait);
|
|
bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_failed,
|
|
ioim);
|
|
bfa_ioim_notify_cleanup(ioim);
|
|
break;
|
|
|
|
case BFA_IOIM_SM_HWFAIL:
|
|
bfa_sm_set_state(ioim, bfa_ioim_sm_hcb);
|
|
bfa_reqq_wcancel(&ioim->iosp->reqq_wait);
|
|
bfa_ioim_move_to_comp_q(ioim);
|
|
bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_failed,
|
|
ioim);
|
|
break;
|
|
|
|
default:
|
|
bfa_sm_fault(ioim->bfa, event);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Active IO is being aborted, waiting for room in request CQ.
|
|
*/
|
|
static void
|
|
bfa_ioim_sm_abort_qfull(struct bfa_ioim_s *ioim, enum bfa_ioim_event event)
|
|
{
|
|
bfa_trc(ioim->bfa, ioim->iotag);
|
|
bfa_trc(ioim->bfa, event);
|
|
|
|
switch (event) {
|
|
case BFA_IOIM_SM_QRESUME:
|
|
bfa_sm_set_state(ioim, bfa_ioim_sm_abort);
|
|
bfa_ioim_send_abort(ioim);
|
|
break;
|
|
|
|
case BFA_IOIM_SM_CLEANUP:
|
|
WARN_ON(ioim->iosp->abort_explicit != BFA_TRUE);
|
|
ioim->iosp->abort_explicit = BFA_FALSE;
|
|
bfa_sm_set_state(ioim, bfa_ioim_sm_cleanup_qfull);
|
|
break;
|
|
|
|
case BFA_IOIM_SM_COMP_GOOD:
|
|
case BFA_IOIM_SM_COMP:
|
|
bfa_sm_set_state(ioim, bfa_ioim_sm_hcb);
|
|
bfa_reqq_wcancel(&ioim->iosp->reqq_wait);
|
|
bfa_ioim_move_to_comp_q(ioim);
|
|
bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_abort,
|
|
ioim);
|
|
break;
|
|
|
|
case BFA_IOIM_SM_DONE:
|
|
bfa_sm_set_state(ioim, bfa_ioim_sm_hcb_free);
|
|
bfa_reqq_wcancel(&ioim->iosp->reqq_wait);
|
|
bfa_ioim_move_to_comp_q(ioim);
|
|
bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_abort,
|
|
ioim);
|
|
break;
|
|
|
|
case BFA_IOIM_SM_HWFAIL:
|
|
bfa_sm_set_state(ioim, bfa_ioim_sm_hcb);
|
|
bfa_reqq_wcancel(&ioim->iosp->reqq_wait);
|
|
bfa_ioim_move_to_comp_q(ioim);
|
|
bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_failed,
|
|
ioim);
|
|
break;
|
|
|
|
default:
|
|
bfa_sm_fault(ioim->bfa, event);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Active IO is being cleaned up, waiting for room in request CQ.
|
|
*/
|
|
static void
|
|
bfa_ioim_sm_cleanup_qfull(struct bfa_ioim_s *ioim, enum bfa_ioim_event event)
|
|
{
|
|
bfa_trc(ioim->bfa, ioim->iotag);
|
|
bfa_trc(ioim->bfa, event);
|
|
|
|
switch (event) {
|
|
case BFA_IOIM_SM_QRESUME:
|
|
bfa_sm_set_state(ioim, bfa_ioim_sm_cleanup);
|
|
bfa_ioim_send_abort(ioim);
|
|
break;
|
|
|
|
case BFA_IOIM_SM_ABORT:
|
|
/*
|
|
* IO is already being cleaned up implicitly
|
|
*/
|
|
ioim->io_cbfn = __bfa_cb_ioim_abort;
|
|
break;
|
|
|
|
case BFA_IOIM_SM_COMP_GOOD:
|
|
case BFA_IOIM_SM_COMP:
|
|
bfa_sm_set_state(ioim, bfa_ioim_sm_hcb);
|
|
bfa_reqq_wcancel(&ioim->iosp->reqq_wait);
|
|
bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, ioim->io_cbfn, ioim);
|
|
bfa_ioim_notify_cleanup(ioim);
|
|
break;
|
|
|
|
case BFA_IOIM_SM_DONE:
|
|
bfa_sm_set_state(ioim, bfa_ioim_sm_hcb_free);
|
|
bfa_reqq_wcancel(&ioim->iosp->reqq_wait);
|
|
bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, ioim->io_cbfn, ioim);
|
|
bfa_ioim_notify_cleanup(ioim);
|
|
break;
|
|
|
|
case BFA_IOIM_SM_HWFAIL:
|
|
bfa_sm_set_state(ioim, bfa_ioim_sm_hcb);
|
|
bfa_reqq_wcancel(&ioim->iosp->reqq_wait);
|
|
bfa_ioim_move_to_comp_q(ioim);
|
|
bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_failed,
|
|
ioim);
|
|
break;
|
|
|
|
default:
|
|
bfa_sm_fault(ioim->bfa, event);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* IO bfa callback is pending.
|
|
*/
|
|
static void
|
|
bfa_ioim_sm_hcb(struct bfa_ioim_s *ioim, enum bfa_ioim_event event)
|
|
{
|
|
switch (event) {
|
|
case BFA_IOIM_SM_HCB:
|
|
bfa_sm_set_state(ioim, bfa_ioim_sm_uninit);
|
|
bfa_ioim_free(ioim);
|
|
break;
|
|
|
|
case BFA_IOIM_SM_CLEANUP:
|
|
bfa_ioim_notify_cleanup(ioim);
|
|
break;
|
|
|
|
case BFA_IOIM_SM_HWFAIL:
|
|
break;
|
|
|
|
default:
|
|
bfa_sm_fault(ioim->bfa, event);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* IO bfa callback is pending. IO resource cannot be freed.
|
|
*/
|
|
static void
|
|
bfa_ioim_sm_hcb_free(struct bfa_ioim_s *ioim, enum bfa_ioim_event event)
|
|
{
|
|
bfa_trc(ioim->bfa, ioim->iotag);
|
|
bfa_trc(ioim->bfa, event);
|
|
|
|
switch (event) {
|
|
case BFA_IOIM_SM_HCB:
|
|
bfa_sm_set_state(ioim, bfa_ioim_sm_resfree);
|
|
list_del(&ioim->qe);
|
|
list_add_tail(&ioim->qe, &ioim->fcpim->ioim_resfree_q);
|
|
break;
|
|
|
|
case BFA_IOIM_SM_FREE:
|
|
bfa_sm_set_state(ioim, bfa_ioim_sm_hcb);
|
|
break;
|
|
|
|
case BFA_IOIM_SM_CLEANUP:
|
|
bfa_ioim_notify_cleanup(ioim);
|
|
break;
|
|
|
|
case BFA_IOIM_SM_HWFAIL:
|
|
bfa_sm_set_state(ioim, bfa_ioim_sm_hcb);
|
|
break;
|
|
|
|
default:
|
|
bfa_sm_fault(ioim->bfa, event);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* IO is completed, waiting resource free from firmware.
|
|
*/
|
|
static void
|
|
bfa_ioim_sm_resfree(struct bfa_ioim_s *ioim, enum bfa_ioim_event event)
|
|
{
|
|
bfa_trc(ioim->bfa, ioim->iotag);
|
|
bfa_trc(ioim->bfa, event);
|
|
|
|
switch (event) {
|
|
case BFA_IOIM_SM_FREE:
|
|
bfa_sm_set_state(ioim, bfa_ioim_sm_uninit);
|
|
bfa_ioim_free(ioim);
|
|
break;
|
|
|
|
case BFA_IOIM_SM_CLEANUP:
|
|
bfa_ioim_notify_cleanup(ioim);
|
|
break;
|
|
|
|
case BFA_IOIM_SM_HWFAIL:
|
|
break;
|
|
|
|
default:
|
|
bfa_sm_fault(ioim->bfa, event);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* This is called from bfa_fcpim_start after the bfa_init() with flash read
|
|
* is complete by driver. now invalidate the stale content of lun mask
|
|
* like unit attention, rp tag and lp tag.
|
|
*/
|
|
void
|
|
bfa_ioim_lm_init(struct bfa_s *bfa)
|
|
{
|
|
struct bfa_lun_mask_s *lunm_list;
|
|
int i;
|
|
|
|
if (bfa_get_lun_mask_status(bfa) == BFA_LUNMASK_MINCFG)
|
|
return;
|
|
|
|
lunm_list = bfa_get_lun_mask_list(bfa);
|
|
for (i = 0; i < MAX_LUN_MASK_CFG; i++) {
|
|
lunm_list[i].ua = BFA_IOIM_LM_UA_RESET;
|
|
lunm_list[i].lp_tag = BFA_LP_TAG_INVALID;
|
|
lunm_list[i].rp_tag = BFA_RPORT_TAG_INVALID;
|
|
}
|
|
}
|
|
|
|
static void
|
|
__bfa_cb_ioim_good_comp(void *cbarg, bfa_boolean_t complete)
|
|
{
|
|
struct bfa_ioim_s *ioim = cbarg;
|
|
|
|
if (!complete) {
|
|
bfa_sm_send_event(ioim, BFA_IOIM_SM_HCB);
|
|
return;
|
|
}
|
|
|
|
bfa_cb_ioim_good_comp(ioim->bfa->bfad, ioim->dio);
|
|
}
|
|
|
|
static void
|
|
__bfa_cb_ioim_comp(void *cbarg, bfa_boolean_t complete)
|
|
{
|
|
struct bfa_ioim_s *ioim = cbarg;
|
|
struct bfi_ioim_rsp_s *m;
|
|
u8 *snsinfo = NULL;
|
|
u8 sns_len = 0;
|
|
s32 residue = 0;
|
|
|
|
if (!complete) {
|
|
bfa_sm_send_event(ioim, BFA_IOIM_SM_HCB);
|
|
return;
|
|
}
|
|
|
|
m = (struct bfi_ioim_rsp_s *) &ioim->iosp->comp_rspmsg;
|
|
if (m->io_status == BFI_IOIM_STS_OK) {
|
|
/*
|
|
* setup sense information, if present
|
|
*/
|
|
if ((m->scsi_status == SCSI_STATUS_CHECK_CONDITION) &&
|
|
m->sns_len) {
|
|
sns_len = m->sns_len;
|
|
snsinfo = BFA_SNSINFO_FROM_TAG(ioim->fcpim->fcp,
|
|
ioim->iotag);
|
|
}
|
|
|
|
/*
|
|
* setup residue value correctly for normal completions
|
|
*/
|
|
if (m->resid_flags == FCP_RESID_UNDER) {
|
|
residue = be32_to_cpu(m->residue);
|
|
bfa_stats(ioim->itnim, iocomp_underrun);
|
|
}
|
|
if (m->resid_flags == FCP_RESID_OVER) {
|
|
residue = be32_to_cpu(m->residue);
|
|
residue = -residue;
|
|
bfa_stats(ioim->itnim, iocomp_overrun);
|
|
}
|
|
}
|
|
|
|
bfa_cb_ioim_done(ioim->bfa->bfad, ioim->dio, m->io_status,
|
|
m->scsi_status, sns_len, snsinfo, residue);
|
|
}
|
|
|
|
void
|
|
bfa_fcpim_lunmask_rp_update(struct bfa_s *bfa, wwn_t lp_wwn, wwn_t rp_wwn,
|
|
u16 rp_tag, u8 lp_tag)
|
|
{
|
|
struct bfa_lun_mask_s *lun_list;
|
|
u8 i;
|
|
|
|
if (bfa_get_lun_mask_status(bfa) == BFA_LUNMASK_MINCFG)
|
|
return;
|
|
|
|
lun_list = bfa_get_lun_mask_list(bfa);
|
|
for (i = 0; i < MAX_LUN_MASK_CFG; i++) {
|
|
if (lun_list[i].state == BFA_IOIM_LUN_MASK_ACTIVE) {
|
|
if ((lun_list[i].lp_wwn == lp_wwn) &&
|
|
(lun_list[i].rp_wwn == rp_wwn)) {
|
|
lun_list[i].rp_tag = rp_tag;
|
|
lun_list[i].lp_tag = lp_tag;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
* set UA for all active luns in LM DB
|
|
*/
|
|
static void
|
|
bfa_ioim_lm_set_ua(struct bfa_s *bfa)
|
|
{
|
|
struct bfa_lun_mask_s *lunm_list;
|
|
int i;
|
|
|
|
lunm_list = bfa_get_lun_mask_list(bfa);
|
|
for (i = 0; i < MAX_LUN_MASK_CFG; i++) {
|
|
if (lunm_list[i].state != BFA_IOIM_LUN_MASK_ACTIVE)
|
|
continue;
|
|
lunm_list[i].ua = BFA_IOIM_LM_UA_SET;
|
|
}
|
|
}
|
|
|
|
bfa_status_t
|
|
bfa_fcpim_lunmask_update(struct bfa_s *bfa, u32 update)
|
|
{
|
|
struct bfa_lunmask_cfg_s *lun_mask;
|
|
|
|
bfa_trc(bfa, bfa_get_lun_mask_status(bfa));
|
|
if (bfa_get_lun_mask_status(bfa) == BFA_LUNMASK_MINCFG)
|
|
return BFA_STATUS_FAILED;
|
|
|
|
if (bfa_get_lun_mask_status(bfa) == update)
|
|
return BFA_STATUS_NO_CHANGE;
|
|
|
|
lun_mask = bfa_get_lun_mask(bfa);
|
|
lun_mask->status = update;
|
|
|
|
if (bfa_get_lun_mask_status(bfa) == BFA_LUNMASK_ENABLED)
|
|
bfa_ioim_lm_set_ua(bfa);
|
|
|
|
return bfa_dconf_update(bfa);
|
|
}
|
|
|
|
bfa_status_t
|
|
bfa_fcpim_lunmask_clear(struct bfa_s *bfa)
|
|
{
|
|
int i;
|
|
struct bfa_lun_mask_s *lunm_list;
|
|
|
|
bfa_trc(bfa, bfa_get_lun_mask_status(bfa));
|
|
if (bfa_get_lun_mask_status(bfa) == BFA_LUNMASK_MINCFG)
|
|
return BFA_STATUS_FAILED;
|
|
|
|
lunm_list = bfa_get_lun_mask_list(bfa);
|
|
for (i = 0; i < MAX_LUN_MASK_CFG; i++) {
|
|
if (lunm_list[i].state == BFA_IOIM_LUN_MASK_ACTIVE) {
|
|
if (lunm_list[i].rp_tag != BFA_RPORT_TAG_INVALID)
|
|
bfa_rport_unset_lunmask(bfa,
|
|
BFA_RPORT_FROM_TAG(bfa, lunm_list[i].rp_tag));
|
|
}
|
|
}
|
|
|
|
memset(lunm_list, 0, sizeof(struct bfa_lun_mask_s) * MAX_LUN_MASK_CFG);
|
|
return bfa_dconf_update(bfa);
|
|
}
|
|
|
|
bfa_status_t
|
|
bfa_fcpim_lunmask_query(struct bfa_s *bfa, void *buf)
|
|
{
|
|
struct bfa_lunmask_cfg_s *lun_mask;
|
|
|
|
bfa_trc(bfa, bfa_get_lun_mask_status(bfa));
|
|
if (bfa_get_lun_mask_status(bfa) == BFA_LUNMASK_MINCFG)
|
|
return BFA_STATUS_FAILED;
|
|
|
|
lun_mask = bfa_get_lun_mask(bfa);
|
|
memcpy(buf, lun_mask, sizeof(struct bfa_lunmask_cfg_s));
|
|
return BFA_STATUS_OK;
|
|
}
|
|
|
|
bfa_status_t
|
|
bfa_fcpim_lunmask_add(struct bfa_s *bfa, u16 vf_id, wwn_t *pwwn,
|
|
wwn_t rpwwn, struct scsi_lun lun)
|
|
{
|
|
struct bfa_lun_mask_s *lunm_list;
|
|
struct bfa_rport_s *rp = NULL;
|
|
int i, free_index = MAX_LUN_MASK_CFG + 1;
|
|
struct bfa_fcs_lport_s *port = NULL;
|
|
struct bfa_fcs_rport_s *rp_fcs;
|
|
|
|
bfa_trc(bfa, bfa_get_lun_mask_status(bfa));
|
|
if (bfa_get_lun_mask_status(bfa) == BFA_LUNMASK_MINCFG)
|
|
return BFA_STATUS_FAILED;
|
|
|
|
port = bfa_fcs_lookup_port(&((struct bfad_s *)bfa->bfad)->bfa_fcs,
|
|
vf_id, *pwwn);
|
|
if (port) {
|
|
*pwwn = port->port_cfg.pwwn;
|
|
rp_fcs = bfa_fcs_lport_get_rport_by_pwwn(port, rpwwn);
|
|
if (rp_fcs)
|
|
rp = rp_fcs->bfa_rport;
|
|
}
|
|
|
|
lunm_list = bfa_get_lun_mask_list(bfa);
|
|
/* if entry exists */
|
|
for (i = 0; i < MAX_LUN_MASK_CFG; i++) {
|
|
if (lunm_list[i].state != BFA_IOIM_LUN_MASK_ACTIVE)
|
|
free_index = i;
|
|
if ((lunm_list[i].lp_wwn == *pwwn) &&
|
|
(lunm_list[i].rp_wwn == rpwwn) &&
|
|
(scsilun_to_int((struct scsi_lun *)&lunm_list[i].lun) ==
|
|
scsilun_to_int((struct scsi_lun *)&lun)))
|
|
return BFA_STATUS_ENTRY_EXISTS;
|
|
}
|
|
|
|
if (free_index > MAX_LUN_MASK_CFG)
|
|
return BFA_STATUS_MAX_ENTRY_REACHED;
|
|
|
|
if (rp) {
|
|
lunm_list[free_index].lp_tag = bfa_lps_get_tag_from_pid(bfa,
|
|
rp->rport_info.local_pid);
|
|
lunm_list[free_index].rp_tag = rp->rport_tag;
|
|
} else {
|
|
lunm_list[free_index].lp_tag = BFA_LP_TAG_INVALID;
|
|
lunm_list[free_index].rp_tag = BFA_RPORT_TAG_INVALID;
|
|
}
|
|
|
|
lunm_list[free_index].lp_wwn = *pwwn;
|
|
lunm_list[free_index].rp_wwn = rpwwn;
|
|
lunm_list[free_index].lun = lun;
|
|
lunm_list[free_index].state = BFA_IOIM_LUN_MASK_ACTIVE;
|
|
|
|
/* set for all luns in this rp */
|
|
for (i = 0; i < MAX_LUN_MASK_CFG; i++) {
|
|
if ((lunm_list[i].lp_wwn == *pwwn) &&
|
|
(lunm_list[i].rp_wwn == rpwwn))
|
|
lunm_list[i].ua = BFA_IOIM_LM_UA_SET;
|
|
}
|
|
|
|
return bfa_dconf_update(bfa);
|
|
}
|
|
|
|
bfa_status_t
|
|
bfa_fcpim_lunmask_delete(struct bfa_s *bfa, u16 vf_id, wwn_t *pwwn,
|
|
wwn_t rpwwn, struct scsi_lun lun)
|
|
{
|
|
struct bfa_lun_mask_s *lunm_list;
|
|
struct bfa_rport_s *rp = NULL;
|
|
struct bfa_fcs_lport_s *port = NULL;
|
|
struct bfa_fcs_rport_s *rp_fcs;
|
|
int i;
|
|
|
|
/* in min cfg lunm_list could be NULL but no commands should run. */
|
|
if (bfa_get_lun_mask_status(bfa) == BFA_LUNMASK_MINCFG)
|
|
return BFA_STATUS_FAILED;
|
|
|
|
bfa_trc(bfa, bfa_get_lun_mask_status(bfa));
|
|
bfa_trc(bfa, *pwwn);
|
|
bfa_trc(bfa, rpwwn);
|
|
bfa_trc(bfa, scsilun_to_int((struct scsi_lun *)&lun));
|
|
|
|
if (*pwwn == 0) {
|
|
port = bfa_fcs_lookup_port(
|
|
&((struct bfad_s *)bfa->bfad)->bfa_fcs,
|
|
vf_id, *pwwn);
|
|
if (port) {
|
|
*pwwn = port->port_cfg.pwwn;
|
|
rp_fcs = bfa_fcs_lport_get_rport_by_pwwn(port, rpwwn);
|
|
if (rp_fcs)
|
|
rp = rp_fcs->bfa_rport;
|
|
}
|
|
}
|
|
|
|
lunm_list = bfa_get_lun_mask_list(bfa);
|
|
for (i = 0; i < MAX_LUN_MASK_CFG; i++) {
|
|
if ((lunm_list[i].lp_wwn == *pwwn) &&
|
|
(lunm_list[i].rp_wwn == rpwwn) &&
|
|
(scsilun_to_int((struct scsi_lun *)&lunm_list[i].lun) ==
|
|
scsilun_to_int((struct scsi_lun *)&lun))) {
|
|
lunm_list[i].lp_wwn = 0;
|
|
lunm_list[i].rp_wwn = 0;
|
|
int_to_scsilun(0, &lunm_list[i].lun);
|
|
lunm_list[i].state = BFA_IOIM_LUN_MASK_INACTIVE;
|
|
if (lunm_list[i].rp_tag != BFA_RPORT_TAG_INVALID) {
|
|
lunm_list[i].rp_tag = BFA_RPORT_TAG_INVALID;
|
|
lunm_list[i].lp_tag = BFA_LP_TAG_INVALID;
|
|
}
|
|
return bfa_dconf_update(bfa);
|
|
}
|
|
}
|
|
|
|
/* set for all luns in this rp */
|
|
for (i = 0; i < MAX_LUN_MASK_CFG; i++) {
|
|
if ((lunm_list[i].lp_wwn == *pwwn) &&
|
|
(lunm_list[i].rp_wwn == rpwwn))
|
|
lunm_list[i].ua = BFA_IOIM_LM_UA_SET;
|
|
}
|
|
|
|
return BFA_STATUS_ENTRY_NOT_EXISTS;
|
|
}
|
|
|
|
static void
|
|
__bfa_cb_ioim_failed(void *cbarg, bfa_boolean_t complete)
|
|
{
|
|
struct bfa_ioim_s *ioim = cbarg;
|
|
|
|
if (!complete) {
|
|
bfa_sm_send_event(ioim, BFA_IOIM_SM_HCB);
|
|
return;
|
|
}
|
|
|
|
bfa_cb_ioim_done(ioim->bfa->bfad, ioim->dio, BFI_IOIM_STS_ABORTED,
|
|
0, 0, NULL, 0);
|
|
}
|
|
|
|
static void
|
|
__bfa_cb_ioim_pathtov(void *cbarg, bfa_boolean_t complete)
|
|
{
|
|
struct bfa_ioim_s *ioim = cbarg;
|
|
|
|
bfa_stats(ioim->itnim, path_tov_expired);
|
|
if (!complete) {
|
|
bfa_sm_send_event(ioim, BFA_IOIM_SM_HCB);
|
|
return;
|
|
}
|
|
|
|
bfa_cb_ioim_done(ioim->bfa->bfad, ioim->dio, BFI_IOIM_STS_PATHTOV,
|
|
0, 0, NULL, 0);
|
|
}
|
|
|
|
static void
|
|
__bfa_cb_ioim_abort(void *cbarg, bfa_boolean_t complete)
|
|
{
|
|
struct bfa_ioim_s *ioim = cbarg;
|
|
|
|
if (!complete) {
|
|
bfa_sm_send_event(ioim, BFA_IOIM_SM_HCB);
|
|
return;
|
|
}
|
|
|
|
bfa_cb_ioim_abort(ioim->bfa->bfad, ioim->dio);
|
|
}
|
|
|
|
static void
|
|
bfa_ioim_sgpg_alloced(void *cbarg)
|
|
{
|
|
struct bfa_ioim_s *ioim = cbarg;
|
|
|
|
ioim->nsgpgs = BFA_SGPG_NPAGE(ioim->nsges);
|
|
list_splice_tail_init(&ioim->iosp->sgpg_wqe.sgpg_q, &ioim->sgpg_q);
|
|
ioim->sgpg = bfa_q_first(&ioim->sgpg_q);
|
|
bfa_sm_send_event(ioim, BFA_IOIM_SM_SGALLOCED);
|
|
}
|
|
|
|
/*
|
|
* Send I/O request to firmware.
|
|
*/
|
|
static bfa_boolean_t
|
|
bfa_ioim_send_ioreq(struct bfa_ioim_s *ioim)
|
|
{
|
|
struct bfa_itnim_s *itnim = ioim->itnim;
|
|
struct bfi_ioim_req_s *m;
|
|
static struct fcp_cmnd_s cmnd_z0 = { { { 0 } } };
|
|
struct bfi_sge_s *sge, *sgpge;
|
|
u32 pgdlen = 0;
|
|
u32 fcp_dl;
|
|
u64 addr;
|
|
struct scatterlist *sg;
|
|
struct bfa_sgpg_s *sgpg;
|
|
struct scsi_cmnd *cmnd = (struct scsi_cmnd *) ioim->dio;
|
|
u32 i, sge_id, pgcumsz;
|
|
enum dma_data_direction dmadir;
|
|
|
|
/*
|
|
* check for room in queue to send request now
|
|
*/
|
|
m = bfa_reqq_next(ioim->bfa, ioim->reqq);
|
|
if (!m) {
|
|
bfa_stats(ioim->itnim, qwait);
|
|
bfa_reqq_wait(ioim->bfa, ioim->reqq,
|
|
&ioim->iosp->reqq_wait);
|
|
return BFA_FALSE;
|
|
}
|
|
|
|
/*
|
|
* build i/o request message next
|
|
*/
|
|
m->io_tag = cpu_to_be16(ioim->iotag);
|
|
m->rport_hdl = ioim->itnim->rport->fw_handle;
|
|
m->io_timeout = 0;
|
|
|
|
sge = &m->sges[0];
|
|
sgpg = ioim->sgpg;
|
|
sge_id = 0;
|
|
sgpge = NULL;
|
|
pgcumsz = 0;
|
|
scsi_for_each_sg(cmnd, sg, ioim->nsges, i) {
|
|
if (i == 0) {
|
|
/* build inline IO SG element */
|
|
addr = bfa_sgaddr_le(sg_dma_address(sg));
|
|
sge->sga = *(union bfi_addr_u *) &addr;
|
|
pgdlen = sg_dma_len(sg);
|
|
sge->sg_len = pgdlen;
|
|
sge->flags = (ioim->nsges > BFI_SGE_INLINE) ?
|
|
BFI_SGE_DATA_CPL : BFI_SGE_DATA_LAST;
|
|
bfa_sge_to_be(sge);
|
|
sge++;
|
|
} else {
|
|
if (sge_id == 0)
|
|
sgpge = sgpg->sgpg->sges;
|
|
|
|
addr = bfa_sgaddr_le(sg_dma_address(sg));
|
|
sgpge->sga = *(union bfi_addr_u *) &addr;
|
|
sgpge->sg_len = sg_dma_len(sg);
|
|
pgcumsz += sgpge->sg_len;
|
|
|
|
/* set flags */
|
|
if (i < (ioim->nsges - 1) &&
|
|
sge_id < (BFI_SGPG_DATA_SGES - 1))
|
|
sgpge->flags = BFI_SGE_DATA;
|
|
else if (i < (ioim->nsges - 1))
|
|
sgpge->flags = BFI_SGE_DATA_CPL;
|
|
else
|
|
sgpge->flags = BFI_SGE_DATA_LAST;
|
|
|
|
bfa_sge_to_le(sgpge);
|
|
|
|
sgpge++;
|
|
if (i == (ioim->nsges - 1)) {
|
|
sgpge->flags = BFI_SGE_PGDLEN;
|
|
sgpge->sga.a32.addr_lo = 0;
|
|
sgpge->sga.a32.addr_hi = 0;
|
|
sgpge->sg_len = pgcumsz;
|
|
bfa_sge_to_le(sgpge);
|
|
} else if (++sge_id == BFI_SGPG_DATA_SGES) {
|
|
sgpg = (struct bfa_sgpg_s *) bfa_q_next(sgpg);
|
|
sgpge->flags = BFI_SGE_LINK;
|
|
sgpge->sga = sgpg->sgpg_pa;
|
|
sgpge->sg_len = pgcumsz;
|
|
bfa_sge_to_le(sgpge);
|
|
sge_id = 0;
|
|
pgcumsz = 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (ioim->nsges > BFI_SGE_INLINE) {
|
|
sge->sga = ioim->sgpg->sgpg_pa;
|
|
} else {
|
|
sge->sga.a32.addr_lo = 0;
|
|
sge->sga.a32.addr_hi = 0;
|
|
}
|
|
sge->sg_len = pgdlen;
|
|
sge->flags = BFI_SGE_PGDLEN;
|
|
bfa_sge_to_be(sge);
|
|
|
|
/*
|
|
* set up I/O command parameters
|
|
*/
|
|
m->cmnd = cmnd_z0;
|
|
int_to_scsilun(cmnd->device->lun, &m->cmnd.lun);
|
|
dmadir = cmnd->sc_data_direction;
|
|
if (dmadir == DMA_TO_DEVICE)
|
|
m->cmnd.iodir = FCP_IODIR_WRITE;
|
|
else if (dmadir == DMA_FROM_DEVICE)
|
|
m->cmnd.iodir = FCP_IODIR_READ;
|
|
else
|
|
m->cmnd.iodir = FCP_IODIR_NONE;
|
|
|
|
m->cmnd.cdb = *(struct scsi_cdb_s *) cmnd->cmnd;
|
|
fcp_dl = scsi_bufflen(cmnd);
|
|
m->cmnd.fcp_dl = cpu_to_be32(fcp_dl);
|
|
|
|
/*
|
|
* set up I/O message header
|
|
*/
|
|
switch (m->cmnd.iodir) {
|
|
case FCP_IODIR_READ:
|
|
bfi_h2i_set(m->mh, BFI_MC_IOIM_READ, 0, bfa_fn_lpu(ioim->bfa));
|
|
bfa_stats(itnim, input_reqs);
|
|
ioim->itnim->stats.rd_throughput += fcp_dl;
|
|
break;
|
|
case FCP_IODIR_WRITE:
|
|
bfi_h2i_set(m->mh, BFI_MC_IOIM_WRITE, 0, bfa_fn_lpu(ioim->bfa));
|
|
bfa_stats(itnim, output_reqs);
|
|
ioim->itnim->stats.wr_throughput += fcp_dl;
|
|
break;
|
|
case FCP_IODIR_RW:
|
|
bfa_stats(itnim, input_reqs);
|
|
bfa_stats(itnim, output_reqs);
|
|
/* fall through */
|
|
default:
|
|
bfi_h2i_set(m->mh, BFI_MC_IOIM_IO, 0, bfa_fn_lpu(ioim->bfa));
|
|
}
|
|
if (itnim->seq_rec ||
|
|
(scsi_bufflen(cmnd) & (sizeof(u32) - 1)))
|
|
bfi_h2i_set(m->mh, BFI_MC_IOIM_IO, 0, bfa_fn_lpu(ioim->bfa));
|
|
|
|
/*
|
|
* queue I/O message to firmware
|
|
*/
|
|
bfa_reqq_produce(ioim->bfa, ioim->reqq, m->mh);
|
|
return BFA_TRUE;
|
|
}
|
|
|
|
/*
|
|
* Setup any additional SG pages needed.Inline SG element is setup
|
|
* at queuing time.
|
|
*/
|
|
static bfa_boolean_t
|
|
bfa_ioim_sgpg_alloc(struct bfa_ioim_s *ioim)
|
|
{
|
|
u16 nsgpgs;
|
|
|
|
WARN_ON(ioim->nsges <= BFI_SGE_INLINE);
|
|
|
|
/*
|
|
* allocate SG pages needed
|
|
*/
|
|
nsgpgs = BFA_SGPG_NPAGE(ioim->nsges);
|
|
if (!nsgpgs)
|
|
return BFA_TRUE;
|
|
|
|
if (bfa_sgpg_malloc(ioim->bfa, &ioim->sgpg_q, nsgpgs)
|
|
!= BFA_STATUS_OK) {
|
|
bfa_sgpg_wait(ioim->bfa, &ioim->iosp->sgpg_wqe, nsgpgs);
|
|
return BFA_FALSE;
|
|
}
|
|
|
|
ioim->nsgpgs = nsgpgs;
|
|
ioim->sgpg = bfa_q_first(&ioim->sgpg_q);
|
|
|
|
return BFA_TRUE;
|
|
}
|
|
|
|
/*
|
|
* Send I/O abort request to firmware.
|
|
*/
|
|
static bfa_boolean_t
|
|
bfa_ioim_send_abort(struct bfa_ioim_s *ioim)
|
|
{
|
|
struct bfi_ioim_abort_req_s *m;
|
|
enum bfi_ioim_h2i msgop;
|
|
|
|
/*
|
|
* check for room in queue to send request now
|
|
*/
|
|
m = bfa_reqq_next(ioim->bfa, ioim->reqq);
|
|
if (!m)
|
|
return BFA_FALSE;
|
|
|
|
/*
|
|
* build i/o request message next
|
|
*/
|
|
if (ioim->iosp->abort_explicit)
|
|
msgop = BFI_IOIM_H2I_IOABORT_REQ;
|
|
else
|
|
msgop = BFI_IOIM_H2I_IOCLEANUP_REQ;
|
|
|
|
bfi_h2i_set(m->mh, BFI_MC_IOIM, msgop, bfa_fn_lpu(ioim->bfa));
|
|
m->io_tag = cpu_to_be16(ioim->iotag);
|
|
m->abort_tag = ++ioim->abort_tag;
|
|
|
|
/*
|
|
* queue I/O message to firmware
|
|
*/
|
|
bfa_reqq_produce(ioim->bfa, ioim->reqq, m->mh);
|
|
return BFA_TRUE;
|
|
}
|
|
|
|
/*
|
|
* Call to resume any I/O requests waiting for room in request queue.
|
|
*/
|
|
static void
|
|
bfa_ioim_qresume(void *cbarg)
|
|
{
|
|
struct bfa_ioim_s *ioim = cbarg;
|
|
|
|
bfa_stats(ioim->itnim, qresumes);
|
|
bfa_sm_send_event(ioim, BFA_IOIM_SM_QRESUME);
|
|
}
|
|
|
|
|
|
static void
|
|
bfa_ioim_notify_cleanup(struct bfa_ioim_s *ioim)
|
|
{
|
|
/*
|
|
* Move IO from itnim queue to fcpim global queue since itnim will be
|
|
* freed.
|
|
*/
|
|
list_del(&ioim->qe);
|
|
list_add_tail(&ioim->qe, &ioim->fcpim->ioim_comp_q);
|
|
|
|
if (!ioim->iosp->tskim) {
|
|
if (ioim->fcpim->delay_comp && ioim->itnim->iotov_active) {
|
|
bfa_cb_dequeue(&ioim->hcb_qe);
|
|
list_del(&ioim->qe);
|
|
list_add_tail(&ioim->qe, &ioim->itnim->delay_comp_q);
|
|
}
|
|
bfa_itnim_iodone(ioim->itnim);
|
|
} else
|
|
bfa_wc_down(&ioim->iosp->tskim->wc);
|
|
}
|
|
|
|
static bfa_boolean_t
|
|
bfa_ioim_is_abortable(struct bfa_ioim_s *ioim)
|
|
{
|
|
if ((bfa_sm_cmp_state(ioim, bfa_ioim_sm_uninit) &&
|
|
(!bfa_q_is_on_q(&ioim->itnim->pending_q, ioim))) ||
|
|
(bfa_sm_cmp_state(ioim, bfa_ioim_sm_abort)) ||
|
|
(bfa_sm_cmp_state(ioim, bfa_ioim_sm_abort_qfull)) ||
|
|
(bfa_sm_cmp_state(ioim, bfa_ioim_sm_hcb)) ||
|
|
(bfa_sm_cmp_state(ioim, bfa_ioim_sm_hcb_free)) ||
|
|
(bfa_sm_cmp_state(ioim, bfa_ioim_sm_resfree)))
|
|
return BFA_FALSE;
|
|
|
|
return BFA_TRUE;
|
|
}
|
|
|
|
void
|
|
bfa_ioim_delayed_comp(struct bfa_ioim_s *ioim, bfa_boolean_t iotov)
|
|
{
|
|
/*
|
|
* If path tov timer expired, failback with PATHTOV status - these
|
|
* IO requests are not normally retried by IO stack.
|
|
*
|
|
* Otherwise device cameback online and fail it with normal failed
|
|
* status so that IO stack retries these failed IO requests.
|
|
*/
|
|
if (iotov)
|
|
ioim->io_cbfn = __bfa_cb_ioim_pathtov;
|
|
else {
|
|
ioim->io_cbfn = __bfa_cb_ioim_failed;
|
|
bfa_stats(ioim->itnim, iocom_nexus_abort);
|
|
}
|
|
bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, ioim->io_cbfn, ioim);
|
|
|
|
/*
|
|
* Move IO to fcpim global queue since itnim will be
|
|
* freed.
|
|
*/
|
|
list_del(&ioim->qe);
|
|
list_add_tail(&ioim->qe, &ioim->fcpim->ioim_comp_q);
|
|
}
|
|
|
|
|
|
/*
|
|
* Memory allocation and initialization.
|
|
*/
|
|
void
|
|
bfa_ioim_attach(struct bfa_fcpim_s *fcpim)
|
|
{
|
|
struct bfa_ioim_s *ioim;
|
|
struct bfa_fcp_mod_s *fcp = fcpim->fcp;
|
|
struct bfa_ioim_sp_s *iosp;
|
|
u16 i;
|
|
|
|
/*
|
|
* claim memory first
|
|
*/
|
|
ioim = (struct bfa_ioim_s *) bfa_mem_kva_curp(fcp);
|
|
fcpim->ioim_arr = ioim;
|
|
bfa_mem_kva_curp(fcp) = (u8 *) (ioim + fcpim->fcp->num_ioim_reqs);
|
|
|
|
iosp = (struct bfa_ioim_sp_s *) bfa_mem_kva_curp(fcp);
|
|
fcpim->ioim_sp_arr = iosp;
|
|
bfa_mem_kva_curp(fcp) = (u8 *) (iosp + fcpim->fcp->num_ioim_reqs);
|
|
|
|
/*
|
|
* Initialize ioim free queues
|
|
*/
|
|
INIT_LIST_HEAD(&fcpim->ioim_resfree_q);
|
|
INIT_LIST_HEAD(&fcpim->ioim_comp_q);
|
|
|
|
for (i = 0; i < fcpim->fcp->num_ioim_reqs;
|
|
i++, ioim++, iosp++) {
|
|
/*
|
|
* initialize IOIM
|
|
*/
|
|
memset(ioim, 0, sizeof(struct bfa_ioim_s));
|
|
ioim->iotag = i;
|
|
ioim->bfa = fcpim->bfa;
|
|
ioim->fcpim = fcpim;
|
|
ioim->iosp = iosp;
|
|
INIT_LIST_HEAD(&ioim->sgpg_q);
|
|
bfa_reqq_winit(&ioim->iosp->reqq_wait,
|
|
bfa_ioim_qresume, ioim);
|
|
bfa_sgpg_winit(&ioim->iosp->sgpg_wqe,
|
|
bfa_ioim_sgpg_alloced, ioim);
|
|
bfa_sm_set_state(ioim, bfa_ioim_sm_uninit);
|
|
}
|
|
}
|
|
|
|
void
|
|
bfa_ioim_isr(struct bfa_s *bfa, struct bfi_msg_s *m)
|
|
{
|
|
struct bfa_fcpim_s *fcpim = BFA_FCPIM(bfa);
|
|
struct bfi_ioim_rsp_s *rsp = (struct bfi_ioim_rsp_s *) m;
|
|
struct bfa_ioim_s *ioim;
|
|
u16 iotag;
|
|
enum bfa_ioim_event evt = BFA_IOIM_SM_COMP;
|
|
|
|
iotag = be16_to_cpu(rsp->io_tag);
|
|
|
|
ioim = BFA_IOIM_FROM_TAG(fcpim, iotag);
|
|
WARN_ON(ioim->iotag != iotag);
|
|
|
|
bfa_trc(ioim->bfa, ioim->iotag);
|
|
bfa_trc(ioim->bfa, rsp->io_status);
|
|
bfa_trc(ioim->bfa, rsp->reuse_io_tag);
|
|
|
|
if (bfa_sm_cmp_state(ioim, bfa_ioim_sm_active))
|
|
ioim->iosp->comp_rspmsg = *m;
|
|
|
|
switch (rsp->io_status) {
|
|
case BFI_IOIM_STS_OK:
|
|
bfa_stats(ioim->itnim, iocomp_ok);
|
|
if (rsp->reuse_io_tag == 0)
|
|
evt = BFA_IOIM_SM_DONE;
|
|
else
|
|
evt = BFA_IOIM_SM_COMP;
|
|
break;
|
|
|
|
case BFI_IOIM_STS_TIMEDOUT:
|
|
bfa_stats(ioim->itnim, iocomp_timedout);
|
|
/* fall through */
|
|
case BFI_IOIM_STS_ABORTED:
|
|
rsp->io_status = BFI_IOIM_STS_ABORTED;
|
|
bfa_stats(ioim->itnim, iocomp_aborted);
|
|
if (rsp->reuse_io_tag == 0)
|
|
evt = BFA_IOIM_SM_DONE;
|
|
else
|
|
evt = BFA_IOIM_SM_COMP;
|
|
break;
|
|
|
|
case BFI_IOIM_STS_PROTO_ERR:
|
|
bfa_stats(ioim->itnim, iocom_proto_err);
|
|
WARN_ON(!rsp->reuse_io_tag);
|
|
evt = BFA_IOIM_SM_COMP;
|
|
break;
|
|
|
|
case BFI_IOIM_STS_SQER_NEEDED:
|
|
bfa_stats(ioim->itnim, iocom_sqer_needed);
|
|
WARN_ON(rsp->reuse_io_tag != 0);
|
|
evt = BFA_IOIM_SM_SQRETRY;
|
|
break;
|
|
|
|
case BFI_IOIM_STS_RES_FREE:
|
|
bfa_stats(ioim->itnim, iocom_res_free);
|
|
evt = BFA_IOIM_SM_FREE;
|
|
break;
|
|
|
|
case BFI_IOIM_STS_HOST_ABORTED:
|
|
bfa_stats(ioim->itnim, iocom_hostabrts);
|
|
if (rsp->abort_tag != ioim->abort_tag) {
|
|
bfa_trc(ioim->bfa, rsp->abort_tag);
|
|
bfa_trc(ioim->bfa, ioim->abort_tag);
|
|
return;
|
|
}
|
|
|
|
if (rsp->reuse_io_tag)
|
|
evt = BFA_IOIM_SM_ABORT_COMP;
|
|
else
|
|
evt = BFA_IOIM_SM_ABORT_DONE;
|
|
break;
|
|
|
|
case BFI_IOIM_STS_UTAG:
|
|
bfa_stats(ioim->itnim, iocom_utags);
|
|
evt = BFA_IOIM_SM_COMP_UTAG;
|
|
break;
|
|
|
|
default:
|
|
WARN_ON(1);
|
|
}
|
|
|
|
bfa_sm_send_event(ioim, evt);
|
|
}
|
|
|
|
void
|
|
bfa_ioim_good_comp_isr(struct bfa_s *bfa, struct bfi_msg_s *m)
|
|
{
|
|
struct bfa_fcpim_s *fcpim = BFA_FCPIM(bfa);
|
|
struct bfi_ioim_rsp_s *rsp = (struct bfi_ioim_rsp_s *) m;
|
|
struct bfa_ioim_s *ioim;
|
|
u16 iotag;
|
|
|
|
iotag = be16_to_cpu(rsp->io_tag);
|
|
|
|
ioim = BFA_IOIM_FROM_TAG(fcpim, iotag);
|
|
WARN_ON(ioim->iotag != iotag);
|
|
|
|
bfa_ioim_cb_profile_comp(fcpim, ioim);
|
|
|
|
bfa_sm_send_event(ioim, BFA_IOIM_SM_COMP_GOOD);
|
|
}
|
|
|
|
/*
|
|
* Called by itnim to clean up IO while going offline.
|
|
*/
|
|
void
|
|
bfa_ioim_cleanup(struct bfa_ioim_s *ioim)
|
|
{
|
|
bfa_trc(ioim->bfa, ioim->iotag);
|
|
bfa_stats(ioim->itnim, io_cleanups);
|
|
|
|
ioim->iosp->tskim = NULL;
|
|
bfa_sm_send_event(ioim, BFA_IOIM_SM_CLEANUP);
|
|
}
|
|
|
|
void
|
|
bfa_ioim_cleanup_tm(struct bfa_ioim_s *ioim, struct bfa_tskim_s *tskim)
|
|
{
|
|
bfa_trc(ioim->bfa, ioim->iotag);
|
|
bfa_stats(ioim->itnim, io_tmaborts);
|
|
|
|
ioim->iosp->tskim = tskim;
|
|
bfa_sm_send_event(ioim, BFA_IOIM_SM_CLEANUP);
|
|
}
|
|
|
|
/*
|
|
* IOC failure handling.
|
|
*/
|
|
void
|
|
bfa_ioim_iocdisable(struct bfa_ioim_s *ioim)
|
|
{
|
|
bfa_trc(ioim->bfa, ioim->iotag);
|
|
bfa_stats(ioim->itnim, io_iocdowns);
|
|
bfa_sm_send_event(ioim, BFA_IOIM_SM_HWFAIL);
|
|
}
|
|
|
|
/*
|
|
* IO offline TOV popped. Fail the pending IO.
|
|
*/
|
|
void
|
|
bfa_ioim_tov(struct bfa_ioim_s *ioim)
|
|
{
|
|
bfa_trc(ioim->bfa, ioim->iotag);
|
|
bfa_sm_send_event(ioim, BFA_IOIM_SM_IOTOV);
|
|
}
|
|
|
|
|
|
/*
|
|
* Allocate IOIM resource for initiator mode I/O request.
|
|
*/
|
|
struct bfa_ioim_s *
|
|
bfa_ioim_alloc(struct bfa_s *bfa, struct bfad_ioim_s *dio,
|
|
struct bfa_itnim_s *itnim, u16 nsges)
|
|
{
|
|
struct bfa_fcpim_s *fcpim = BFA_FCPIM(bfa);
|
|
struct bfa_ioim_s *ioim;
|
|
struct bfa_iotag_s *iotag = NULL;
|
|
|
|
/*
|
|
* alocate IOIM resource
|
|
*/
|
|
bfa_q_deq(&fcpim->fcp->iotag_ioim_free_q, &iotag);
|
|
if (!iotag) {
|
|
bfa_stats(itnim, no_iotags);
|
|
return NULL;
|
|
}
|
|
|
|
ioim = BFA_IOIM_FROM_TAG(fcpim, iotag->tag);
|
|
|
|
ioim->dio = dio;
|
|
ioim->itnim = itnim;
|
|
ioim->nsges = nsges;
|
|
ioim->nsgpgs = 0;
|
|
|
|
bfa_stats(itnim, total_ios);
|
|
fcpim->ios_active++;
|
|
|
|
list_add_tail(&ioim->qe, &itnim->io_q);
|
|
|
|
return ioim;
|
|
}
|
|
|
|
void
|
|
bfa_ioim_free(struct bfa_ioim_s *ioim)
|
|
{
|
|
struct bfa_fcpim_s *fcpim = ioim->fcpim;
|
|
struct bfa_iotag_s *iotag;
|
|
|
|
if (ioim->nsgpgs > 0)
|
|
bfa_sgpg_mfree(ioim->bfa, &ioim->sgpg_q, ioim->nsgpgs);
|
|
|
|
bfa_stats(ioim->itnim, io_comps);
|
|
fcpim->ios_active--;
|
|
|
|
ioim->iotag &= BFA_IOIM_IOTAG_MASK;
|
|
|
|
WARN_ON(!(ioim->iotag <
|
|
(fcpim->fcp->num_ioim_reqs + fcpim->fcp->num_fwtio_reqs)));
|
|
iotag = BFA_IOTAG_FROM_TAG(fcpim->fcp, ioim->iotag);
|
|
|
|
if (ioim->iotag < fcpim->fcp->num_ioim_reqs)
|
|
list_add_tail(&iotag->qe, &fcpim->fcp->iotag_ioim_free_q);
|
|
else
|
|
list_add_tail(&iotag->qe, &fcpim->fcp->iotag_tio_free_q);
|
|
|
|
list_del(&ioim->qe);
|
|
}
|
|
|
|
void
|
|
bfa_ioim_start(struct bfa_ioim_s *ioim)
|
|
{
|
|
bfa_ioim_cb_profile_start(ioim->fcpim, ioim);
|
|
|
|
/*
|
|
* Obtain the queue over which this request has to be issued
|
|
*/
|
|
ioim->reqq = bfa_fcpim_ioredirect_enabled(ioim->bfa) ?
|
|
BFA_FALSE : bfa_itnim_get_reqq(ioim);
|
|
|
|
bfa_sm_send_event(ioim, BFA_IOIM_SM_START);
|
|
}
|
|
|
|
/*
|
|
* Driver I/O abort request.
|
|
*/
|
|
bfa_status_t
|
|
bfa_ioim_abort(struct bfa_ioim_s *ioim)
|
|
{
|
|
|
|
bfa_trc(ioim->bfa, ioim->iotag);
|
|
|
|
if (!bfa_ioim_is_abortable(ioim))
|
|
return BFA_STATUS_FAILED;
|
|
|
|
bfa_stats(ioim->itnim, io_aborts);
|
|
bfa_sm_send_event(ioim, BFA_IOIM_SM_ABORT);
|
|
|
|
return BFA_STATUS_OK;
|
|
}
|
|
|
|
/*
|
|
* BFA TSKIM state machine functions
|
|
*/
|
|
|
|
/*
|
|
* Task management command beginning state.
|
|
*/
|
|
static void
|
|
bfa_tskim_sm_uninit(struct bfa_tskim_s *tskim, enum bfa_tskim_event event)
|
|
{
|
|
bfa_trc(tskim->bfa, tskim->tsk_tag << 16 | event);
|
|
|
|
switch (event) {
|
|
case BFA_TSKIM_SM_START:
|
|
bfa_sm_set_state(tskim, bfa_tskim_sm_active);
|
|
bfa_tskim_gather_ios(tskim);
|
|
|
|
/*
|
|
* If device is offline, do not send TM on wire. Just cleanup
|
|
* any pending IO requests and complete TM request.
|
|
*/
|
|
if (!bfa_itnim_is_online(tskim->itnim)) {
|
|
bfa_sm_set_state(tskim, bfa_tskim_sm_iocleanup);
|
|
tskim->tsk_status = BFI_TSKIM_STS_OK;
|
|
bfa_tskim_cleanup_ios(tskim);
|
|
return;
|
|
}
|
|
|
|
if (!bfa_tskim_send(tskim)) {
|
|
bfa_sm_set_state(tskim, bfa_tskim_sm_qfull);
|
|
bfa_stats(tskim->itnim, tm_qwait);
|
|
bfa_reqq_wait(tskim->bfa, tskim->itnim->reqq,
|
|
&tskim->reqq_wait);
|
|
}
|
|
break;
|
|
|
|
default:
|
|
bfa_sm_fault(tskim->bfa, event);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* TM command is active, awaiting completion from firmware to
|
|
* cleanup IO requests in TM scope.
|
|
*/
|
|
static void
|
|
bfa_tskim_sm_active(struct bfa_tskim_s *tskim, enum bfa_tskim_event event)
|
|
{
|
|
bfa_trc(tskim->bfa, tskim->tsk_tag << 16 | event);
|
|
|
|
switch (event) {
|
|
case BFA_TSKIM_SM_DONE:
|
|
bfa_sm_set_state(tskim, bfa_tskim_sm_iocleanup);
|
|
bfa_tskim_cleanup_ios(tskim);
|
|
break;
|
|
|
|
case BFA_TSKIM_SM_CLEANUP:
|
|
bfa_sm_set_state(tskim, bfa_tskim_sm_cleanup);
|
|
if (!bfa_tskim_send_abort(tskim)) {
|
|
bfa_sm_set_state(tskim, bfa_tskim_sm_cleanup_qfull);
|
|
bfa_stats(tskim->itnim, tm_qwait);
|
|
bfa_reqq_wait(tskim->bfa, tskim->itnim->reqq,
|
|
&tskim->reqq_wait);
|
|
}
|
|
break;
|
|
|
|
case BFA_TSKIM_SM_HWFAIL:
|
|
bfa_sm_set_state(tskim, bfa_tskim_sm_hcb);
|
|
bfa_tskim_iocdisable_ios(tskim);
|
|
bfa_tskim_qcomp(tskim, __bfa_cb_tskim_failed);
|
|
break;
|
|
|
|
default:
|
|
bfa_sm_fault(tskim->bfa, event);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* An active TM is being cleaned up since ITN is offline. Awaiting cleanup
|
|
* completion event from firmware.
|
|
*/
|
|
static void
|
|
bfa_tskim_sm_cleanup(struct bfa_tskim_s *tskim, enum bfa_tskim_event event)
|
|
{
|
|
bfa_trc(tskim->bfa, tskim->tsk_tag << 16 | event);
|
|
|
|
switch (event) {
|
|
case BFA_TSKIM_SM_DONE:
|
|
/*
|
|
* Ignore and wait for ABORT completion from firmware.
|
|
*/
|
|
break;
|
|
|
|
case BFA_TSKIM_SM_UTAG:
|
|
case BFA_TSKIM_SM_CLEANUP_DONE:
|
|
bfa_sm_set_state(tskim, bfa_tskim_sm_iocleanup);
|
|
bfa_tskim_cleanup_ios(tskim);
|
|
break;
|
|
|
|
case BFA_TSKIM_SM_HWFAIL:
|
|
bfa_sm_set_state(tskim, bfa_tskim_sm_hcb);
|
|
bfa_tskim_iocdisable_ios(tskim);
|
|
bfa_tskim_qcomp(tskim, __bfa_cb_tskim_failed);
|
|
break;
|
|
|
|
default:
|
|
bfa_sm_fault(tskim->bfa, event);
|
|
}
|
|
}
|
|
|
|
static void
|
|
bfa_tskim_sm_iocleanup(struct bfa_tskim_s *tskim, enum bfa_tskim_event event)
|
|
{
|
|
bfa_trc(tskim->bfa, tskim->tsk_tag << 16 | event);
|
|
|
|
switch (event) {
|
|
case BFA_TSKIM_SM_IOS_DONE:
|
|
bfa_sm_set_state(tskim, bfa_tskim_sm_hcb);
|
|
bfa_tskim_qcomp(tskim, __bfa_cb_tskim_done);
|
|
break;
|
|
|
|
case BFA_TSKIM_SM_CLEANUP:
|
|
/*
|
|
* Ignore, TM command completed on wire.
|
|
* Notify TM conmpletion on IO cleanup completion.
|
|
*/
|
|
break;
|
|
|
|
case BFA_TSKIM_SM_HWFAIL:
|
|
bfa_sm_set_state(tskim, bfa_tskim_sm_hcb);
|
|
bfa_tskim_iocdisable_ios(tskim);
|
|
bfa_tskim_qcomp(tskim, __bfa_cb_tskim_failed);
|
|
break;
|
|
|
|
default:
|
|
bfa_sm_fault(tskim->bfa, event);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Task management command is waiting for room in request CQ
|
|
*/
|
|
static void
|
|
bfa_tskim_sm_qfull(struct bfa_tskim_s *tskim, enum bfa_tskim_event event)
|
|
{
|
|
bfa_trc(tskim->bfa, tskim->tsk_tag << 16 | event);
|
|
|
|
switch (event) {
|
|
case BFA_TSKIM_SM_QRESUME:
|
|
bfa_sm_set_state(tskim, bfa_tskim_sm_active);
|
|
bfa_tskim_send(tskim);
|
|
break;
|
|
|
|
case BFA_TSKIM_SM_CLEANUP:
|
|
/*
|
|
* No need to send TM on wire since ITN is offline.
|
|
*/
|
|
bfa_sm_set_state(tskim, bfa_tskim_sm_iocleanup);
|
|
bfa_reqq_wcancel(&tskim->reqq_wait);
|
|
bfa_tskim_cleanup_ios(tskim);
|
|
break;
|
|
|
|
case BFA_TSKIM_SM_HWFAIL:
|
|
bfa_sm_set_state(tskim, bfa_tskim_sm_hcb);
|
|
bfa_reqq_wcancel(&tskim->reqq_wait);
|
|
bfa_tskim_iocdisable_ios(tskim);
|
|
bfa_tskim_qcomp(tskim, __bfa_cb_tskim_failed);
|
|
break;
|
|
|
|
default:
|
|
bfa_sm_fault(tskim->bfa, event);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Task management command is active, awaiting for room in request CQ
|
|
* to send clean up request.
|
|
*/
|
|
static void
|
|
bfa_tskim_sm_cleanup_qfull(struct bfa_tskim_s *tskim,
|
|
enum bfa_tskim_event event)
|
|
{
|
|
bfa_trc(tskim->bfa, tskim->tsk_tag << 16 | event);
|
|
|
|
switch (event) {
|
|
case BFA_TSKIM_SM_DONE:
|
|
bfa_reqq_wcancel(&tskim->reqq_wait);
|
|
/* fall through */
|
|
case BFA_TSKIM_SM_QRESUME:
|
|
bfa_sm_set_state(tskim, bfa_tskim_sm_cleanup);
|
|
bfa_tskim_send_abort(tskim);
|
|
break;
|
|
|
|
case BFA_TSKIM_SM_HWFAIL:
|
|
bfa_sm_set_state(tskim, bfa_tskim_sm_hcb);
|
|
bfa_reqq_wcancel(&tskim->reqq_wait);
|
|
bfa_tskim_iocdisable_ios(tskim);
|
|
bfa_tskim_qcomp(tskim, __bfa_cb_tskim_failed);
|
|
break;
|
|
|
|
default:
|
|
bfa_sm_fault(tskim->bfa, event);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* BFA callback is pending
|
|
*/
|
|
static void
|
|
bfa_tskim_sm_hcb(struct bfa_tskim_s *tskim, enum bfa_tskim_event event)
|
|
{
|
|
bfa_trc(tskim->bfa, tskim->tsk_tag << 16 | event);
|
|
|
|
switch (event) {
|
|
case BFA_TSKIM_SM_HCB:
|
|
bfa_sm_set_state(tskim, bfa_tskim_sm_uninit);
|
|
bfa_tskim_free(tskim);
|
|
break;
|
|
|
|
case BFA_TSKIM_SM_CLEANUP:
|
|
bfa_tskim_notify_comp(tskim);
|
|
break;
|
|
|
|
case BFA_TSKIM_SM_HWFAIL:
|
|
break;
|
|
|
|
default:
|
|
bfa_sm_fault(tskim->bfa, event);
|
|
}
|
|
}
|
|
|
|
static void
|
|
__bfa_cb_tskim_done(void *cbarg, bfa_boolean_t complete)
|
|
{
|
|
struct bfa_tskim_s *tskim = cbarg;
|
|
|
|
if (!complete) {
|
|
bfa_sm_send_event(tskim, BFA_TSKIM_SM_HCB);
|
|
return;
|
|
}
|
|
|
|
bfa_stats(tskim->itnim, tm_success);
|
|
bfa_cb_tskim_done(tskim->bfa->bfad, tskim->dtsk, tskim->tsk_status);
|
|
}
|
|
|
|
static void
|
|
__bfa_cb_tskim_failed(void *cbarg, bfa_boolean_t complete)
|
|
{
|
|
struct bfa_tskim_s *tskim = cbarg;
|
|
|
|
if (!complete) {
|
|
bfa_sm_send_event(tskim, BFA_TSKIM_SM_HCB);
|
|
return;
|
|
}
|
|
|
|
bfa_stats(tskim->itnim, tm_failures);
|
|
bfa_cb_tskim_done(tskim->bfa->bfad, tskim->dtsk,
|
|
BFI_TSKIM_STS_FAILED);
|
|
}
|
|
|
|
static bfa_boolean_t
|
|
bfa_tskim_match_scope(struct bfa_tskim_s *tskim, struct scsi_lun lun)
|
|
{
|
|
switch (tskim->tm_cmnd) {
|
|
case FCP_TM_TARGET_RESET:
|
|
return BFA_TRUE;
|
|
|
|
case FCP_TM_ABORT_TASK_SET:
|
|
case FCP_TM_CLEAR_TASK_SET:
|
|
case FCP_TM_LUN_RESET:
|
|
case FCP_TM_CLEAR_ACA:
|
|
return !memcmp(&tskim->lun, &lun, sizeof(lun));
|
|
|
|
default:
|
|
WARN_ON(1);
|
|
}
|
|
|
|
return BFA_FALSE;
|
|
}
|
|
|
|
/*
|
|
* Gather affected IO requests and task management commands.
|
|
*/
|
|
static void
|
|
bfa_tskim_gather_ios(struct bfa_tskim_s *tskim)
|
|
{
|
|
struct bfa_itnim_s *itnim = tskim->itnim;
|
|
struct bfa_ioim_s *ioim;
|
|
struct list_head *qe, *qen;
|
|
struct scsi_cmnd *cmnd;
|
|
struct scsi_lun scsilun;
|
|
|
|
INIT_LIST_HEAD(&tskim->io_q);
|
|
|
|
/*
|
|
* Gather any active IO requests first.
|
|
*/
|
|
list_for_each_safe(qe, qen, &itnim->io_q) {
|
|
ioim = (struct bfa_ioim_s *) qe;
|
|
cmnd = (struct scsi_cmnd *) ioim->dio;
|
|
int_to_scsilun(cmnd->device->lun, &scsilun);
|
|
if (bfa_tskim_match_scope(tskim, scsilun)) {
|
|
list_del(&ioim->qe);
|
|
list_add_tail(&ioim->qe, &tskim->io_q);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Failback any pending IO requests immediately.
|
|
*/
|
|
list_for_each_safe(qe, qen, &itnim->pending_q) {
|
|
ioim = (struct bfa_ioim_s *) qe;
|
|
cmnd = (struct scsi_cmnd *) ioim->dio;
|
|
int_to_scsilun(cmnd->device->lun, &scsilun);
|
|
if (bfa_tskim_match_scope(tskim, scsilun)) {
|
|
list_del(&ioim->qe);
|
|
list_add_tail(&ioim->qe, &ioim->fcpim->ioim_comp_q);
|
|
bfa_ioim_tov(ioim);
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
* IO cleanup completion
|
|
*/
|
|
static void
|
|
bfa_tskim_cleanp_comp(void *tskim_cbarg)
|
|
{
|
|
struct bfa_tskim_s *tskim = tskim_cbarg;
|
|
|
|
bfa_stats(tskim->itnim, tm_io_comps);
|
|
bfa_sm_send_event(tskim, BFA_TSKIM_SM_IOS_DONE);
|
|
}
|
|
|
|
/*
|
|
* Gather affected IO requests and task management commands.
|
|
*/
|
|
static void
|
|
bfa_tskim_cleanup_ios(struct bfa_tskim_s *tskim)
|
|
{
|
|
struct bfa_ioim_s *ioim;
|
|
struct list_head *qe, *qen;
|
|
|
|
bfa_wc_init(&tskim->wc, bfa_tskim_cleanp_comp, tskim);
|
|
|
|
list_for_each_safe(qe, qen, &tskim->io_q) {
|
|
ioim = (struct bfa_ioim_s *) qe;
|
|
bfa_wc_up(&tskim->wc);
|
|
bfa_ioim_cleanup_tm(ioim, tskim);
|
|
}
|
|
|
|
bfa_wc_wait(&tskim->wc);
|
|
}
|
|
|
|
/*
|
|
* Send task management request to firmware.
|
|
*/
|
|
static bfa_boolean_t
|
|
bfa_tskim_send(struct bfa_tskim_s *tskim)
|
|
{
|
|
struct bfa_itnim_s *itnim = tskim->itnim;
|
|
struct bfi_tskim_req_s *m;
|
|
|
|
/*
|
|
* check for room in queue to send request now
|
|
*/
|
|
m = bfa_reqq_next(tskim->bfa, itnim->reqq);
|
|
if (!m)
|
|
return BFA_FALSE;
|
|
|
|
/*
|
|
* build i/o request message next
|
|
*/
|
|
bfi_h2i_set(m->mh, BFI_MC_TSKIM, BFI_TSKIM_H2I_TM_REQ,
|
|
bfa_fn_lpu(tskim->bfa));
|
|
|
|
m->tsk_tag = cpu_to_be16(tskim->tsk_tag);
|
|
m->itn_fhdl = tskim->itnim->rport->fw_handle;
|
|
m->t_secs = tskim->tsecs;
|
|
m->lun = tskim->lun;
|
|
m->tm_flags = tskim->tm_cmnd;
|
|
|
|
/*
|
|
* queue I/O message to firmware
|
|
*/
|
|
bfa_reqq_produce(tskim->bfa, itnim->reqq, m->mh);
|
|
return BFA_TRUE;
|
|
}
|
|
|
|
/*
|
|
* Send abort request to cleanup an active TM to firmware.
|
|
*/
|
|
static bfa_boolean_t
|
|
bfa_tskim_send_abort(struct bfa_tskim_s *tskim)
|
|
{
|
|
struct bfa_itnim_s *itnim = tskim->itnim;
|
|
struct bfi_tskim_abortreq_s *m;
|
|
|
|
/*
|
|
* check for room in queue to send request now
|
|
*/
|
|
m = bfa_reqq_next(tskim->bfa, itnim->reqq);
|
|
if (!m)
|
|
return BFA_FALSE;
|
|
|
|
/*
|
|
* build i/o request message next
|
|
*/
|
|
bfi_h2i_set(m->mh, BFI_MC_TSKIM, BFI_TSKIM_H2I_ABORT_REQ,
|
|
bfa_fn_lpu(tskim->bfa));
|
|
|
|
m->tsk_tag = cpu_to_be16(tskim->tsk_tag);
|
|
|
|
/*
|
|
* queue I/O message to firmware
|
|
*/
|
|
bfa_reqq_produce(tskim->bfa, itnim->reqq, m->mh);
|
|
return BFA_TRUE;
|
|
}
|
|
|
|
/*
|
|
* Call to resume task management cmnd waiting for room in request queue.
|
|
*/
|
|
static void
|
|
bfa_tskim_qresume(void *cbarg)
|
|
{
|
|
struct bfa_tskim_s *tskim = cbarg;
|
|
|
|
bfa_stats(tskim->itnim, tm_qresumes);
|
|
bfa_sm_send_event(tskim, BFA_TSKIM_SM_QRESUME);
|
|
}
|
|
|
|
/*
|
|
* Cleanup IOs associated with a task mangement command on IOC failures.
|
|
*/
|
|
static void
|
|
bfa_tskim_iocdisable_ios(struct bfa_tskim_s *tskim)
|
|
{
|
|
struct bfa_ioim_s *ioim;
|
|
struct list_head *qe, *qen;
|
|
|
|
list_for_each_safe(qe, qen, &tskim->io_q) {
|
|
ioim = (struct bfa_ioim_s *) qe;
|
|
bfa_ioim_iocdisable(ioim);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Notification on completions from related ioim.
|
|
*/
|
|
void
|
|
bfa_tskim_iodone(struct bfa_tskim_s *tskim)
|
|
{
|
|
bfa_wc_down(&tskim->wc);
|
|
}
|
|
|
|
/*
|
|
* Handle IOC h/w failure notification from itnim.
|
|
*/
|
|
void
|
|
bfa_tskim_iocdisable(struct bfa_tskim_s *tskim)
|
|
{
|
|
tskim->notify = BFA_FALSE;
|
|
bfa_stats(tskim->itnim, tm_iocdowns);
|
|
bfa_sm_send_event(tskim, BFA_TSKIM_SM_HWFAIL);
|
|
}
|
|
|
|
/*
|
|
* Cleanup TM command and associated IOs as part of ITNIM offline.
|
|
*/
|
|
void
|
|
bfa_tskim_cleanup(struct bfa_tskim_s *tskim)
|
|
{
|
|
tskim->notify = BFA_TRUE;
|
|
bfa_stats(tskim->itnim, tm_cleanups);
|
|
bfa_sm_send_event(tskim, BFA_TSKIM_SM_CLEANUP);
|
|
}
|
|
|
|
/*
|
|
* Memory allocation and initialization.
|
|
*/
|
|
void
|
|
bfa_tskim_attach(struct bfa_fcpim_s *fcpim)
|
|
{
|
|
struct bfa_tskim_s *tskim;
|
|
struct bfa_fcp_mod_s *fcp = fcpim->fcp;
|
|
u16 i;
|
|
|
|
INIT_LIST_HEAD(&fcpim->tskim_free_q);
|
|
INIT_LIST_HEAD(&fcpim->tskim_unused_q);
|
|
|
|
tskim = (struct bfa_tskim_s *) bfa_mem_kva_curp(fcp);
|
|
fcpim->tskim_arr = tskim;
|
|
|
|
for (i = 0; i < fcpim->num_tskim_reqs; i++, tskim++) {
|
|
/*
|
|
* initialize TSKIM
|
|
*/
|
|
memset(tskim, 0, sizeof(struct bfa_tskim_s));
|
|
tskim->tsk_tag = i;
|
|
tskim->bfa = fcpim->bfa;
|
|
tskim->fcpim = fcpim;
|
|
tskim->notify = BFA_FALSE;
|
|
bfa_reqq_winit(&tskim->reqq_wait, bfa_tskim_qresume,
|
|
tskim);
|
|
bfa_sm_set_state(tskim, bfa_tskim_sm_uninit);
|
|
|
|
list_add_tail(&tskim->qe, &fcpim->tskim_free_q);
|
|
}
|
|
|
|
bfa_mem_kva_curp(fcp) = (u8 *) tskim;
|
|
}
|
|
|
|
void
|
|
bfa_tskim_isr(struct bfa_s *bfa, struct bfi_msg_s *m)
|
|
{
|
|
struct bfa_fcpim_s *fcpim = BFA_FCPIM(bfa);
|
|
struct bfi_tskim_rsp_s *rsp = (struct bfi_tskim_rsp_s *) m;
|
|
struct bfa_tskim_s *tskim;
|
|
u16 tsk_tag = be16_to_cpu(rsp->tsk_tag);
|
|
|
|
tskim = BFA_TSKIM_FROM_TAG(fcpim, tsk_tag);
|
|
WARN_ON(tskim->tsk_tag != tsk_tag);
|
|
|
|
tskim->tsk_status = rsp->tsk_status;
|
|
|
|
/*
|
|
* Firmware sends BFI_TSKIM_STS_ABORTED status for abort
|
|
* requests. All other statuses are for normal completions.
|
|
*/
|
|
if (rsp->tsk_status == BFI_TSKIM_STS_ABORTED) {
|
|
bfa_stats(tskim->itnim, tm_cleanup_comps);
|
|
bfa_sm_send_event(tskim, BFA_TSKIM_SM_CLEANUP_DONE);
|
|
} else if (rsp->tsk_status == BFI_TSKIM_STS_UTAG) {
|
|
bfa_sm_send_event(tskim, BFA_TSKIM_SM_UTAG);
|
|
} else {
|
|
bfa_stats(tskim->itnim, tm_fw_rsps);
|
|
bfa_sm_send_event(tskim, BFA_TSKIM_SM_DONE);
|
|
}
|
|
}
|
|
|
|
|
|
struct bfa_tskim_s *
|
|
bfa_tskim_alloc(struct bfa_s *bfa, struct bfad_tskim_s *dtsk)
|
|
{
|
|
struct bfa_fcpim_s *fcpim = BFA_FCPIM(bfa);
|
|
struct bfa_tskim_s *tskim;
|
|
|
|
bfa_q_deq(&fcpim->tskim_free_q, &tskim);
|
|
|
|
if (tskim)
|
|
tskim->dtsk = dtsk;
|
|
|
|
return tskim;
|
|
}
|
|
|
|
void
|
|
bfa_tskim_free(struct bfa_tskim_s *tskim)
|
|
{
|
|
WARN_ON(!bfa_q_is_on_q_func(&tskim->itnim->tsk_q, &tskim->qe));
|
|
list_del(&tskim->qe);
|
|
list_add_tail(&tskim->qe, &tskim->fcpim->tskim_free_q);
|
|
}
|
|
|
|
/*
|
|
* Start a task management command.
|
|
*
|
|
* @param[in] tskim BFA task management command instance
|
|
* @param[in] itnim i-t nexus for the task management command
|
|
* @param[in] lun lun, if applicable
|
|
* @param[in] tm_cmnd Task management command code.
|
|
* @param[in] t_secs Timeout in seconds
|
|
*
|
|
* @return None.
|
|
*/
|
|
void
|
|
bfa_tskim_start(struct bfa_tskim_s *tskim, struct bfa_itnim_s *itnim,
|
|
struct scsi_lun lun,
|
|
enum fcp_tm_cmnd tm_cmnd, u8 tsecs)
|
|
{
|
|
tskim->itnim = itnim;
|
|
tskim->lun = lun;
|
|
tskim->tm_cmnd = tm_cmnd;
|
|
tskim->tsecs = tsecs;
|
|
tskim->notify = BFA_FALSE;
|
|
bfa_stats(itnim, tm_cmnds);
|
|
|
|
list_add_tail(&tskim->qe, &itnim->tsk_q);
|
|
bfa_sm_send_event(tskim, BFA_TSKIM_SM_START);
|
|
}
|
|
|
|
void
|
|
bfa_tskim_res_recfg(struct bfa_s *bfa, u16 num_tskim_fw)
|
|
{
|
|
struct bfa_fcpim_s *fcpim = BFA_FCPIM(bfa);
|
|
struct list_head *qe;
|
|
int i;
|
|
|
|
for (i = 0; i < (fcpim->num_tskim_reqs - num_tskim_fw); i++) {
|
|
bfa_q_deq_tail(&fcpim->tskim_free_q, &qe);
|
|
list_add_tail(qe, &fcpim->tskim_unused_q);
|
|
}
|
|
}
|
|
|
|
void
|
|
bfa_fcp_meminfo(struct bfa_iocfc_cfg_s *cfg, struct bfa_meminfo_s *minfo,
|
|
struct bfa_s *bfa)
|
|
{
|
|
struct bfa_fcp_mod_s *fcp = BFA_FCP_MOD(bfa);
|
|
struct bfa_mem_kva_s *fcp_kva = BFA_MEM_FCP_KVA(bfa);
|
|
struct bfa_mem_dma_s *seg_ptr;
|
|
u16 nsegs, idx, per_seg_ios, num_io_req;
|
|
u32 km_len = 0;
|
|
|
|
/*
|
|
* ZERO for num_ioim_reqs and num_fwtio_reqs is allowed config value.
|
|
* So if the values are non zero, adjust them appropriately.
|
|
*/
|
|
if (cfg->fwcfg.num_ioim_reqs &&
|
|
cfg->fwcfg.num_ioim_reqs < BFA_IOIM_MIN)
|
|
cfg->fwcfg.num_ioim_reqs = BFA_IOIM_MIN;
|
|
else if (cfg->fwcfg.num_ioim_reqs > BFA_IOIM_MAX)
|
|
cfg->fwcfg.num_ioim_reqs = BFA_IOIM_MAX;
|
|
|
|
if (cfg->fwcfg.num_fwtio_reqs > BFA_FWTIO_MAX)
|
|
cfg->fwcfg.num_fwtio_reqs = BFA_FWTIO_MAX;
|
|
|
|
num_io_req = (cfg->fwcfg.num_ioim_reqs + cfg->fwcfg.num_fwtio_reqs);
|
|
if (num_io_req > BFA_IO_MAX) {
|
|
if (cfg->fwcfg.num_ioim_reqs && cfg->fwcfg.num_fwtio_reqs) {
|
|
cfg->fwcfg.num_ioim_reqs = BFA_IO_MAX/2;
|
|
cfg->fwcfg.num_fwtio_reqs = BFA_IO_MAX/2;
|
|
} else if (cfg->fwcfg.num_fwtio_reqs)
|
|
cfg->fwcfg.num_fwtio_reqs = BFA_FWTIO_MAX;
|
|
else
|
|
cfg->fwcfg.num_ioim_reqs = BFA_IOIM_MAX;
|
|
}
|
|
|
|
bfa_fcpim_meminfo(cfg, &km_len);
|
|
|
|
num_io_req = (cfg->fwcfg.num_ioim_reqs + cfg->fwcfg.num_fwtio_reqs);
|
|
km_len += num_io_req * sizeof(struct bfa_iotag_s);
|
|
km_len += cfg->fwcfg.num_rports * sizeof(struct bfa_itn_s);
|
|
|
|
/* dma memory */
|
|
nsegs = BFI_MEM_DMA_NSEGS(num_io_req, BFI_IOIM_SNSLEN);
|
|
per_seg_ios = BFI_MEM_NREQS_SEG(BFI_IOIM_SNSLEN);
|
|
|
|
bfa_mem_dma_seg_iter(fcp, seg_ptr, nsegs, idx) {
|
|
if (num_io_req >= per_seg_ios) {
|
|
num_io_req -= per_seg_ios;
|
|
bfa_mem_dma_setup(minfo, seg_ptr,
|
|
per_seg_ios * BFI_IOIM_SNSLEN);
|
|
} else
|
|
bfa_mem_dma_setup(minfo, seg_ptr,
|
|
num_io_req * BFI_IOIM_SNSLEN);
|
|
}
|
|
|
|
/* kva memory */
|
|
bfa_mem_kva_setup(minfo, fcp_kva, km_len);
|
|
}
|
|
|
|
void
|
|
bfa_fcp_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
|
|
struct bfa_pcidev_s *pcidev)
|
|
{
|
|
struct bfa_fcp_mod_s *fcp = BFA_FCP_MOD(bfa);
|
|
struct bfa_mem_dma_s *seg_ptr;
|
|
u16 idx, nsegs, num_io_req;
|
|
|
|
fcp->max_ioim_reqs = cfg->fwcfg.num_ioim_reqs;
|
|
fcp->num_ioim_reqs = cfg->fwcfg.num_ioim_reqs;
|
|
fcp->num_fwtio_reqs = cfg->fwcfg.num_fwtio_reqs;
|
|
fcp->num_itns = cfg->fwcfg.num_rports;
|
|
fcp->bfa = bfa;
|
|
|
|
/*
|
|
* Setup the pool of snsbase addr's, that is passed to fw as
|
|
* part of bfi_iocfc_cfg_s.
|
|
*/
|
|
num_io_req = (cfg->fwcfg.num_ioim_reqs + cfg->fwcfg.num_fwtio_reqs);
|
|
nsegs = BFI_MEM_DMA_NSEGS(num_io_req, BFI_IOIM_SNSLEN);
|
|
|
|
bfa_mem_dma_seg_iter(fcp, seg_ptr, nsegs, idx) {
|
|
|
|
if (!bfa_mem_dma_virt(seg_ptr))
|
|
break;
|
|
|
|
fcp->snsbase[idx].pa = bfa_mem_dma_phys(seg_ptr);
|
|
fcp->snsbase[idx].kva = bfa_mem_dma_virt(seg_ptr);
|
|
bfa_iocfc_set_snsbase(bfa, idx, fcp->snsbase[idx].pa);
|
|
}
|
|
|
|
fcp->throttle_update_required = 1;
|
|
bfa_fcpim_attach(fcp, bfad, cfg, pcidev);
|
|
|
|
bfa_iotag_attach(fcp);
|
|
|
|
fcp->itn_arr = (struct bfa_itn_s *) bfa_mem_kva_curp(fcp);
|
|
bfa_mem_kva_curp(fcp) = (u8 *)fcp->itn_arr +
|
|
(fcp->num_itns * sizeof(struct bfa_itn_s));
|
|
memset(fcp->itn_arr, 0,
|
|
(fcp->num_itns * sizeof(struct bfa_itn_s)));
|
|
}
|
|
|
|
void
|
|
bfa_fcp_iocdisable(struct bfa_s *bfa)
|
|
{
|
|
struct bfa_fcp_mod_s *fcp = BFA_FCP_MOD(bfa);
|
|
|
|
bfa_fcpim_iocdisable(fcp);
|
|
}
|
|
|
|
void
|
|
bfa_fcp_res_recfg(struct bfa_s *bfa, u16 num_ioim_fw, u16 max_ioim_fw)
|
|
{
|
|
struct bfa_fcp_mod_s *mod = BFA_FCP_MOD(bfa);
|
|
struct list_head *qe;
|
|
int i;
|
|
|
|
/* Update io throttle value only once during driver load time */
|
|
if (!mod->throttle_update_required)
|
|
return;
|
|
|
|
for (i = 0; i < (mod->num_ioim_reqs - num_ioim_fw); i++) {
|
|
bfa_q_deq_tail(&mod->iotag_ioim_free_q, &qe);
|
|
list_add_tail(qe, &mod->iotag_unused_q);
|
|
}
|
|
|
|
if (mod->num_ioim_reqs != num_ioim_fw) {
|
|
bfa_trc(bfa, mod->num_ioim_reqs);
|
|
bfa_trc(bfa, num_ioim_fw);
|
|
}
|
|
|
|
mod->max_ioim_reqs = max_ioim_fw;
|
|
mod->num_ioim_reqs = num_ioim_fw;
|
|
mod->throttle_update_required = 0;
|
|
}
|
|
|
|
void
|
|
bfa_itn_create(struct bfa_s *bfa, struct bfa_rport_s *rport,
|
|
void (*isr)(struct bfa_s *bfa, struct bfi_msg_s *m))
|
|
{
|
|
struct bfa_fcp_mod_s *fcp = BFA_FCP_MOD(bfa);
|
|
struct bfa_itn_s *itn;
|
|
|
|
itn = BFA_ITN_FROM_TAG(fcp, rport->rport_tag);
|
|
itn->isr = isr;
|
|
}
|
|
|
|
/*
|
|
* Itn interrupt processing.
|
|
*/
|
|
void
|
|
bfa_itn_isr(struct bfa_s *bfa, struct bfi_msg_s *m)
|
|
{
|
|
struct bfa_fcp_mod_s *fcp = BFA_FCP_MOD(bfa);
|
|
union bfi_itn_i2h_msg_u msg;
|
|
struct bfa_itn_s *itn;
|
|
|
|
msg.msg = m;
|
|
itn = BFA_ITN_FROM_TAG(fcp, msg.create_rsp->bfa_handle);
|
|
|
|
if (itn->isr)
|
|
itn->isr(bfa, m);
|
|
else
|
|
WARN_ON(1);
|
|
}
|
|
|
|
void
|
|
bfa_iotag_attach(struct bfa_fcp_mod_s *fcp)
|
|
{
|
|
struct bfa_iotag_s *iotag;
|
|
u16 num_io_req, i;
|
|
|
|
iotag = (struct bfa_iotag_s *) bfa_mem_kva_curp(fcp);
|
|
fcp->iotag_arr = iotag;
|
|
|
|
INIT_LIST_HEAD(&fcp->iotag_ioim_free_q);
|
|
INIT_LIST_HEAD(&fcp->iotag_tio_free_q);
|
|
INIT_LIST_HEAD(&fcp->iotag_unused_q);
|
|
|
|
num_io_req = fcp->num_ioim_reqs + fcp->num_fwtio_reqs;
|
|
for (i = 0; i < num_io_req; i++, iotag++) {
|
|
memset(iotag, 0, sizeof(struct bfa_iotag_s));
|
|
iotag->tag = i;
|
|
if (i < fcp->num_ioim_reqs)
|
|
list_add_tail(&iotag->qe, &fcp->iotag_ioim_free_q);
|
|
else
|
|
list_add_tail(&iotag->qe, &fcp->iotag_tio_free_q);
|
|
}
|
|
|
|
bfa_mem_kva_curp(fcp) = (u8 *) iotag;
|
|
}
|
|
|
|
|
|
/**
|
|
* To send config req, first try to use throttle value from flash
|
|
* If 0, then use driver parameter
|
|
* We need to use min(flash_val, drv_val) because
|
|
* memory allocation was done based on this cfg'd value
|
|
*/
|
|
u16
|
|
bfa_fcpim_get_throttle_cfg(struct bfa_s *bfa, u16 drv_cfg_param)
|
|
{
|
|
u16 tmp;
|
|
struct bfa_fcp_mod_s *fcp = BFA_FCP_MOD(bfa);
|
|
|
|
/*
|
|
* If throttle value from flash is already in effect after driver is
|
|
* loaded then until next load, always return current value instead
|
|
* of actual flash value
|
|
*/
|
|
if (!fcp->throttle_update_required)
|
|
return (u16)fcp->num_ioim_reqs;
|
|
|
|
tmp = bfa_dconf_read_data_valid(bfa) ? bfa_fcpim_read_throttle(bfa) : 0;
|
|
if (!tmp || (tmp > drv_cfg_param))
|
|
tmp = drv_cfg_param;
|
|
|
|
return tmp;
|
|
}
|
|
|
|
bfa_status_t
|
|
bfa_fcpim_write_throttle(struct bfa_s *bfa, u16 value)
|
|
{
|
|
if (!bfa_dconf_get_min_cfg(bfa)) {
|
|
BFA_DCONF_MOD(bfa)->dconf->throttle_cfg.value = value;
|
|
BFA_DCONF_MOD(bfa)->dconf->throttle_cfg.is_valid = 1;
|
|
return BFA_STATUS_OK;
|
|
}
|
|
|
|
return BFA_STATUS_FAILED;
|
|
}
|
|
|
|
u16
|
|
bfa_fcpim_read_throttle(struct bfa_s *bfa)
|
|
{
|
|
struct bfa_throttle_cfg_s *throttle_cfg =
|
|
&(BFA_DCONF_MOD(bfa)->dconf->throttle_cfg);
|
|
|
|
return ((!bfa_dconf_get_min_cfg(bfa)) ?
|
|
((throttle_cfg->is_valid == 1) ? (throttle_cfg->value) : 0) : 0);
|
|
}
|
|
|
|
bfa_status_t
|
|
bfa_fcpim_throttle_set(struct bfa_s *bfa, u16 value)
|
|
{
|
|
/* in min cfg no commands should run. */
|
|
if ((bfa_dconf_get_min_cfg(bfa) == BFA_TRUE) ||
|
|
(!bfa_dconf_read_data_valid(bfa)))
|
|
return BFA_STATUS_FAILED;
|
|
|
|
bfa_fcpim_write_throttle(bfa, value);
|
|
|
|
return bfa_dconf_update(bfa);
|
|
}
|
|
|
|
bfa_status_t
|
|
bfa_fcpim_throttle_get(struct bfa_s *bfa, void *buf)
|
|
{
|
|
struct bfa_fcpim_s *fcpim = BFA_FCPIM(bfa);
|
|
struct bfa_defs_fcpim_throttle_s throttle;
|
|
|
|
if ((bfa_dconf_get_min_cfg(bfa) == BFA_TRUE) ||
|
|
(!bfa_dconf_read_data_valid(bfa)))
|
|
return BFA_STATUS_FAILED;
|
|
|
|
memset(&throttle, 0, sizeof(struct bfa_defs_fcpim_throttle_s));
|
|
|
|
throttle.cur_value = (u16)(fcpim->fcp->num_ioim_reqs);
|
|
throttle.cfg_value = bfa_fcpim_read_throttle(bfa);
|
|
if (!throttle.cfg_value)
|
|
throttle.cfg_value = throttle.cur_value;
|
|
throttle.max_value = (u16)(fcpim->fcp->max_ioim_reqs);
|
|
memcpy(buf, &throttle, sizeof(struct bfa_defs_fcpim_throttle_s));
|
|
|
|
return BFA_STATUS_OK;
|
|
}
|