From 4352b8aee98005853aa63f57d6377282de17a33f Mon Sep 17 00:00:00 2001 From: Linus Torvalds Date: Sun, 23 Aug 2026 13:28:57 -0700 Subject: Merge tag 'i3c/for-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linux Pull I3C updates from Alexandre Belloni: "A new driver this cycle, for the AMD AXI I3C controller. There are also new features such as IBI wakeup support, SETAASA device discovery and ACPI support for the the DAA methods, meaning we can now communicate with the SPD devices on DDR5 modules. New driver: - AMD AXI I3C master controller Subsystem: - I3C Common Command Code (CCC) handling improvements, especially around GET CCCs - SETAASA device discovery support - ACPI support for all existing DAA methods like SETDASA, SETNEWDA as well as I2C devices on I3C bus - IBI-based wakeup support Drivers: - dw: SETAASA support - mipi-i3c-hci: advertise IBI wakeup capability, AMD_PT I3C controller support, PIO queue management support for HCI v1.2 - renesas: improve suspend to RAM support, add runtime PM support" * tag 'i3c/for-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linux: (70 commits) i3c: dw: reduce do_daa time if there's no client i3c: mipi-i3c-hci: Add support for AMD_PT I3C controller i3c: mipi-i3c-hci: Add PIO queue management support for HCI v1.2 i3c: mipi-i3c-hci: Fix missing STAT_IBI_STATUS_THLD in PIO mode i3c: dw: rename "pclk" to "apb" to match dt-binding i3c: dw: make struct dw_i3c_cmd smaller i3c: dw: use COMMAND_PORT_TRANSFER_ARG instead of hardcoding i3c: renesas: Don't register devices when ENTDAA times out i3c: master: dw-i3c-master: fix OD timing for first broadcast i3c: mipi-i3c-hci: Advertise IBI wakeup capability i3c: mipi-i3c-hci: Factor out i3c_hci_sysdev() i3c: mipi-i3c-hci-pci: Propagate I3C wakeup requirements to PCI i3c: master: Reject IBI requests from non-IBI-capable devices i3c: master: Add helper to query bus wakeup requirements i3c: master: Report wakeup events for IBIs i3c: master: Support IBI-based wakeup capability i3c: master: Fix potential UAF in i3c_device_match() i3c: master: Fix potential UAF in i3c_device_uevent() i3c: Make dev->desc locking assumptions explicit i3c: master: Fix use-after-free of master->this ... --- include/rdma/ib_cache.h | 101 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 101 insertions(+) create mode 100644 include/rdma/ib_cache.h (limited to 'include/rdma/ib_cache.h') diff --git a/include/rdma/ib_cache.h b/include/rdma/ib_cache.h new file mode 100644 index 000000000..eed46d966 --- /dev/null +++ b/include/rdma/ib_cache.h @@ -0,0 +1,101 @@ +/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */ +/* + * Copyright (c) 2004 Topspin Communications. All rights reserved. + * Copyright (c) 2005 Intel Corporation. All rights reserved. + * Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved. + */ + +#ifndef _IB_CACHE_H +#define _IB_CACHE_H + +#include + +int rdma_query_gid(struct ib_device *device, u32 port_num, int index, + union ib_gid *gid); +void *rdma_read_gid_hw_context(const struct ib_gid_attr *attr); +const struct ib_gid_attr *rdma_find_gid(struct ib_device *device, + const union ib_gid *gid, + enum ib_gid_type gid_type, + struct net_device *ndev); +const struct ib_gid_attr *rdma_find_gid_by_port(struct ib_device *ib_dev, + const union ib_gid *gid, + enum ib_gid_type gid_type, + u32 port, + struct net_device *ndev); +const struct ib_gid_attr *rdma_find_gid_by_filter( + struct ib_device *device, const union ib_gid *gid, u32 port_num, + bool (*filter)(const union ib_gid *gid, const struct ib_gid_attr *, + void *), + void *context); + +int rdma_read_gid_l2_fields(const struct ib_gid_attr *attr, + u16 *vlan_id, u8 *smac); +struct net_device *rdma_read_gid_attr_ndev_rcu(const struct ib_gid_attr *attr); + +/** + * ib_get_cached_pkey - Returns a cached PKey table entry + * @device_handle: The device to query. + * @port_num: The port number of the device to query. + * @index: The index into the cached PKey table to query. + * @pkey: The PKey value found at the specified index. + * + * ib_get_cached_pkey() fetches the specified PKey table entry stored in + * the local software cache. + */ +int ib_get_cached_pkey(struct ib_device *device_handle, + u32 port_num, + int index, + u16 *pkey); + +/** + * ib_find_cached_pkey - Returns the PKey table index where a specified + * PKey value occurs. + * @device: The device to query. + * @port_num: The port number of the device to search for the PKey. + * @pkey: The PKey value to search for. + * @index: The index into the cached PKey table where the PKey was found. + * + * ib_find_cached_pkey() searches the specified PKey table in + * the local software cache. + */ +int ib_find_cached_pkey(struct ib_device *device, + u32 port_num, + u16 pkey, + u16 *index); + +/** + * ib_get_cached_lmc - Returns a cached lmc table entry + * @device: The device to query. + * @port_num: The port number of the device to query. + * @lmc: The lmc value for the specified port for that device. + * + * ib_get_cached_lmc() fetches the specified lmc table entry stored in + * the local software cache. + */ +int ib_get_cached_lmc(struct ib_device *device, + u32 port_num, + u8 *lmc); + +/** + * ib_get_cached_port_state - Returns a cached port state table entry + * @device: The device to query. + * @port_num: The port number of the device to query. + * @port_active: port_state for the specified port for that device. + * + * ib_get_cached_port_state() fetches the specified port_state table entry stored in + * the local software cache. + */ +int ib_get_cached_port_state(struct ib_device *device, + u32 port_num, + enum ib_port_state *port_active); + +bool rdma_is_zero_gid(const union ib_gid *gid); +const struct ib_gid_attr *rdma_get_gid_attr(struct ib_device *device, + u32 port_num, int index); +void rdma_put_gid_attr(const struct ib_gid_attr *attr); +void rdma_hold_gid_attr(const struct ib_gid_attr *attr); +ssize_t rdma_query_gid_table(struct ib_device *device, + struct ib_uverbs_gid_entry *entries, + size_t max_entries); + +#endif /* _IB_CACHE_H */ -- cgit v1.3.1