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/linux-6.14.4/Documentation/devicetree/bindings/dma/
Dintel,ldma.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/dma/intel,ldma.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Lightning Mountain centralized DMA controllers.
10 - [email protected]
11 - [email protected]
14 - $ref: dma-controller.yaml#
19 - intel,lgm-cdma
20 - intel,lgm-dma2tx
[all …]
/linux-6.14.4/drivers/net/ethernet/qlogic/qlcnic/
Dqlcnic_minidump.c1 // SPDX-License-Identifier: GPL-2.0-only
4 * Copyright (c) 2009-2013 QLogic Corporation
274 return hdr->saved_state[index]; in qlcnic_82xx_get_saved_state()
282 hdr->saved_state[index] = value; in qlcnic_82xx_set_saved_state()
289 hdr = fw_dump->tmpl_hdr; in qlcnic_82xx_cache_tmpl_hdr_values()
290 fw_dump->tmpl_hdr_size = hdr->size; in qlcnic_82xx_cache_tmpl_hdr_values()
291 fw_dump->version = hdr->version; in qlcnic_82xx_cache_tmpl_hdr_values()
292 fw_dump->num_entries = hdr->num_entries; in qlcnic_82xx_cache_tmpl_hdr_values()
293 fw_dump->offset = hdr->offset; in qlcnic_82xx_cache_tmpl_hdr_values()
295 hdr->drv_cap_mask = hdr->cap_mask; in qlcnic_82xx_cache_tmpl_hdr_values()
[all …]
/linux-6.14.4/drivers/net/ethernet/netronome/nfp/nfdk/
Drings.c1 // SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
13 struct device *dev = dp->dev; in nfp_nfdk_tx_ring_reset()
16 while (!tx_ring->is_xdp && tx_ring->rd_p != tx_ring->wr_p) { in nfp_nfdk_tx_ring_reset()
23 rd_idx = D_IDX(tx_ring, tx_ring->rd_p); in nfp_nfdk_tx_ring_reset()
24 txbuf = &tx_ring->ktxbufs[rd_idx]; in nfp_nfdk_tx_ring_reset()
26 skb = txbuf->skb; in nfp_nfdk_tx_ring_reset()
28 n_descs = D_BLOCK_CPL(tx_ring->rd_p); in nfp_nfdk_tx_ring_reset()
32 nr_frags = skb_shinfo(skb)->nr_frags; in nfp_nfdk_tx_ring_reset()
37 dma_unmap_single(dev, txbuf->dma_addr, size, DMA_TO_DEVICE); in nfp_nfdk_tx_ring_reset()
41 frag = skb_shinfo(skb)->frags; in nfp_nfdk_tx_ring_reset()
[all …]
Ddp.c1 // SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 /* Copyright (C) 2015-2019 Netronome Systems, Inc. */
47 if (!skb->encapsulation) { in nfp_nfdk_tx_tso()
50 l4_hdrlen = (skb_shinfo(skb)->gso_type & SKB_GSO_UDP_L4) ? in nfp_nfdk_tx_tso()
55 l4_hdrlen = (skb_shinfo(skb)->gso_type & SKB_GSO_UDP_L4) ? in nfp_nfdk_tx_tso()
60 segs = skb_shinfo(skb)->gso_segs; in nfp_nfdk_tx_tso()
61 mss = skb_shinfo(skb)->gso_size & NFDK_DESC_TX_MSS_MASK; in nfp_nfdk_tx_tso()
70 txbuf->pkt_cnt = segs; in nfp_nfdk_tx_tso()
71 txbuf->real_len = skb->len + hdrlen * (txbuf->pkt_cnt - 1); in nfp_nfdk_tx_tso()
73 u64_stats_update_begin(&r_vec->tx_sync); in nfp_nfdk_tx_tso()
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/linux-6.14.4/drivers/net/ethernet/netronome/nfp/nfd3/
Drings.c1 // SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 /* Copyright (C) 2015-2019 Netronome Systems, Inc. */
16 while (tx_ring->rd_p != tx_ring->wr_p) { in nfp_nfd3_xsk_tx_bufs_free()
17 idx = D_IDX(tx_ring, tx_ring->rd_p); in nfp_nfd3_xsk_tx_bufs_free()
18 txbuf = &tx_ring->txbufs[idx]; in nfp_nfd3_xsk_tx_bufs_free()
20 txbuf->real_len = 0; in nfp_nfd3_xsk_tx_bufs_free()
22 tx_ring->qcp_rd_p++; in nfp_nfd3_xsk_tx_bufs_free()
23 tx_ring->rd_p++; in nfp_nfd3_xsk_tx_bufs_free()
25 if (tx_ring->r_vec->xsk_pool) { in nfp_nfd3_xsk_tx_bufs_free()
26 if (txbuf->is_xsk_tx) in nfp_nfd3_xsk_tx_bufs_free()
[all …]
Ddp.c1 // SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 /* Copyright (C) 2015-2019 Netronome Systems, Inc. */
20 * driver en-queues packets for transmit by advancing the write
42 * nfp_nfd3_tx_ring_stop() - stop tx ring
63 * nfp_nfd3_tx_tso() - Set up Tx descriptor for LSO
64 * @r_vec: per-ring structure
70 * Set up Tx descriptor for LSO, do nothing for non-LSO skbs.
83 if (!skb->encapsulation) { in nfp_nfd3_tx_tso()
86 l4_hdrlen = (skb_shinfo(skb)->gso_type & SKB_GSO_UDP_L4) ? in nfp_nfd3_tx_tso()
91 l4_hdrlen = (skb_shinfo(skb)->gso_type & SKB_GSO_UDP_L4) ? in nfp_nfd3_tx_tso()
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/linux-6.14.4/drivers/mtd/nand/raw/
Dsunxi_nand.c1 // SPDX-License-Identifier: GPL-2.0+
6 * https://github.com/yuq/sunxi-nfc-mtd
9 * https://github.com/hno/Allwinner-Info
16 #include <linux/dma-mapping.h>
70 #define NFC_PAGE_SHIFT(x) (((x) < 10 ? 0 : (x) - 10) << 8)
107 #define NFC_ADR_NUM(x) (((x) - 1) << 16)
161 * struct sunxi_nand_chip_sel - stores information related to NAND Chip Select
164 * @rb: the Ready/Busy pin ID. -1 means no R/B pin connected to the NFC
172 * struct sunxi_nand_hw_ecc - stores information related to HW ECC support
181 * struct sunxi_nand_chip - stores NAND chip device related information
[all …]
/linux-6.14.4/drivers/net/ethernet/netronome/nfp/
Dnfp_net_dp.h1 /* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
11 return dma_map_single_attrs(dp->dev, frag + NFP_NET_RX_BUF_HEADROOM, in nfp_net_dma_map_rx()
12 dp->fl_bufsz - NFP_NET_RX_BUF_NON_DATA, in nfp_net_dma_map_rx()
13 dp->rx_dma_dir, DMA_ATTR_SKIP_CPU_SYNC); in nfp_net_dma_map_rx()
19 dma_sync_single_for_device(dp->dev, dma_addr, in nfp_net_dma_sync_dev_rx()
20 dp->fl_bufsz - NFP_NET_RX_BUF_NON_DATA, in nfp_net_dma_sync_dev_rx()
21 dp->rx_dma_dir); in nfp_net_dma_sync_dev_rx()
27 dma_unmap_single_attrs(dp->dev, dma_addr, in nfp_net_dma_unmap_rx()
28 dp->fl_bufsz - NFP_NET_RX_BUF_NON_DATA, in nfp_net_dma_unmap_rx()
29 dp->rx_dma_dir, DMA_ATTR_SKIP_CPU_SYNC); in nfp_net_dma_unmap_rx()
[all …]
Dnfp_net.h1 /* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
2 /* Copyright (C) 2015-2018 Netronome Systems, Inc. */
21 #include <linux/io-64-nonatomic-hi-lo.h>
32 if (__nn->dp.netdev) \
33 netdev_printk(lvl, __nn->dp.netdev, fmt, ## args); \
35 dev_printk(lvl, __nn->dp.dev, "ctrl: " fmt, ## args); \
48 if (__dp->netdev) \
49 netdev_warn(__dp->netdev, fmt, ## args); \
51 dev_warn(__dp->dev, fmt, ## args); \
89 #define NFP_NET_XDP_MAX_COMPLETE 2048 /* XDP bufs to reclaim in NAPI poll */
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/linux-6.14.4/drivers/vhost/
Dnet.c1 // SPDX-License-Identifier: GPL-2.0-only
5 * virtio-net server in host kernel.
41 " 1 -Enable; 0 - Disable");
61 /* Lower device DMA failed */
63 /* Lower device DMA done */
65 /* Lower device DMA in progress */
113 /* last used idx for outstanding DMA zerocopy buffers */
115 /* For TX, first used idx for DMA done zerocopy buffers
135 struct vhost_poll poll[VHOST_NET_VQ_MAX]; member
152 if (rxq->tail != rxq->head) in vhost_net_buf_get_ptr()
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/linux-6.14.4/drivers/net/ethernet/toshiba/
Dspider_net.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Network device driver for Cell Processor-Based Blade and Celleb platform
72 * spider_net_read_reg - reads an SMMIO register of a card
85 return in_be32(card->regs + reg); in spider_net_read_reg()
89 * spider_net_write_reg - writes to an SMMIO register of a card
101 out_be32(card->regs + reg, value); in spider_net_write_reg()
105 * spider_net_write_phy - write to phy register
129 * spider_net_read_phy - read from phy register
149 * interrupt, as we poll for the completion of the read operation in spider_net_read_phy()
162 * spider_net_setup_aneg - initial auto-negotiation setup
[all …]
/linux-6.14.4/drivers/net/ethernet/brocade/bna/
Dbna_hw_defs.h1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * Linux network driver for QLogic BR-series Converged Network Adapter.
6 * Copyright (c) 2005-2014 Brocade Communications Systems, Inc.
7 * Copyright (c) 2014-2015 QLogic Corporation
28 #define BFI_INVALID_RID -1
42 #define BFI_TX_INTERPKT_COUNT 12 /* Pkt Cnt = 12 */
45 #define BFI_RX_INTERPKT_COUNT 6 /* Pkt Cnt = 6 */
80 (_bna)->regs.fn_int_status = (_pcidev)->pci_bar_kva + \
81 reg_offset[(_pcidev)->pci_func].fn_int_status;\
82 (_bna)->regs.fn_int_mask = (_pcidev)->pci_bar_kva + \
[all …]
/linux-6.14.4/drivers/net/ethernet/cavium/liquidio/
Docteon_droq.c7 * Copyright (c) 2003-2016 Cavium, Inc.
14 * AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty
41 * @param octeon_dev - the octeon device pointer.
42 * @param opcode - the opcode for which the dispatch argument
44 * @param subcode - the subcode for which the dispatch argument
60 spin_lock_bh(&octeon_dev->dispatch.lock); in octeon_get_dispatch_arg()
62 if (octeon_dev->dispatch.count == 0) { in octeon_get_dispatch_arg()
63 spin_unlock_bh(&octeon_dev->dispatch.lock); in octeon_get_dispatch_arg()
67 if (octeon_dev->dispatch.dlist[idx].opcode == combined_opcode) { in octeon_get_dispatch_arg()
68 fn_arg = octeon_dev->dispatch.dlist[idx].arg; in octeon_get_dispatch_arg()
[all …]
/linux-6.14.4/drivers/dma/xilinx/
Dxilinx_dpdma.c1 // SPDX-License-Identifier: GPL-2.0
5 * Copyright (C) 2015 - 2020 Xilinx, Inc.
15 #include <linux/dma/xilinx_dpdma.h>
28 #include <dt-bindings/dma/xlnx-zynqmp-dpdma.h>
31 #include "../virt-dma.h"
142 * struct xilinx_dpdma_hw_desc - DPDMA hardware descriptor
180 * struct xilinx_dpdma_sw_desc - DPDMA software descriptor
183 * @dma_addr: DMA address of the software descriptor
192 * struct xilinx_dpdma_tx_desc - DPDMA transaction descriptor
193 * @vdesc: virtual DMA descriptor
[all …]
/linux-6.14.4/drivers/scsi/qla4xxx/
Dql4_nx.c1 // SPDX-License-Identifier: GPL-2.0-only
4 * Copyright (c) 2003-2013 QLogic Corporation
14 #include <linux/io-64-nonatomic-lo-hi.h>
40 if ((off < ha->first_page_group_end) && in qla4_8xxx_pci_base_offsetfset()
41 (off >= ha->first_page_group_start)) in qla4_8xxx_pci_base_offsetfset()
42 return (void __iomem *)(ha->nx_pcibase + off); in qla4_8xxx_pci_base_offsetfset()
363 ha->crb_win = CRB_HI(*off); in qla4_82xx_pci_set_crbwindow_2M()
364 writel(ha->crb_win, in qla4_82xx_pci_set_crbwindow_2M()
365 (void __iomem *)(CRB_WINDOW_2M + ha->nx_pcibase)); in qla4_82xx_pci_set_crbwindow_2M()
369 win_read = readl((void __iomem *)(CRB_WINDOW_2M + ha->nx_pcibase)); in qla4_82xx_pci_set_crbwindow_2M()
[all …]
/linux-6.14.4/drivers/staging/rtl8723bs/hal/
Dsdio_halinit.c1 // SPDX-License-Identifier: GPL-2.0
4 * Copyright(c) 2007 - 2012 Realtek Corporation. All rights reserved.
59 /* Radio-Off Pin Trigger */ in _InitPowerOn_8723BS()
77 /* Enable MAC DMA/WMAC/SCHEDULE/SEC block */ in _InitPowerOn_8723BS()
135 struct registry_priv *pregistrypriv = &padapter->registrypriv; in _InitQueueReservedPage()
142 bool bWiFiConfig = pregistrypriv->wifi_spec; in _InitQueueReservedPage()
144 if (pHalData->OutEpQueueSel & TX_SELE_HQ) in _InitQueueReservedPage()
147 if (pHalData->OutEpQueueSel & TX_SELE_LQ) in _InitQueueReservedPage()
151 if (pHalData->OutEpQueueSel & TX_SELE_NQ) in _InitQueueReservedPage()
154 numPubQ = TX_TOTAL_PAGE_NUMBER_8723B - numHQ - numLQ - numNQ; in _InitQueueReservedPage()
[all …]
/linux-6.14.4/drivers/net/wireless/realtek/rtw88/
Dpci.c1 // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
2 /* Copyright(c) 2018-2019 Realtek Corporation
46 return skb->priority; in rtw_pci_get_tx_qsel()
52 struct rtw_pci *rtwpci = (struct rtw_pci *)rtwdev->priv; in rtw_pci_read8()
54 return readb(rtwpci->mmap + addr); in rtw_pci_read8()
59 struct rtw_pci *rtwpci = (struct rtw_pci *)rtwdev->priv; in rtw_pci_read16()
61 return readw(rtwpci->mmap + addr); in rtw_pci_read16()
66 struct rtw_pci *rtwpci = (struct rtw_pci *)rtwdev->priv; in rtw_pci_read32()
68 return readl(rtwpci->mmap + addr); in rtw_pci_read32()
73 struct rtw_pci *rtwpci = (struct rtw_pci *)rtwdev->priv; in rtw_pci_write8()
[all …]
/linux-6.14.4/arch/powerpc/platforms/cell/spufs/
Dfile.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * SPU file system -- file contents
17 #include <linux/poll.h>
52 return -ENOMEM; in spufs_attr_open()
54 attr->get = get; in spufs_attr_open()
55 attr->set = set; in spufs_attr_open()
56 attr->data = inode->i_private; in spufs_attr_open()
57 attr->fmt = fmt; in spufs_attr_open()
58 mutex_init(&attr->mutex); in spufs_attr_open()
59 file->private_data = attr; in spufs_attr_open()
[all …]
/linux-6.14.4/Documentation/driver-api/usb/
Dusb.rst1 .. _usb-hostside-api:
4 The Linux-USB Host Side API
18 That master/slave asymmetry was designed-in for a number of reasons, one
22 distributed auto-configuration since the pre-designated master node
37 USB Host-Side API Model
40 Host-side drivers for USB devices talk to the "usbcore" APIs. There are
41 two. One is intended for *general-purpose* drivers (exposed through
49 - USB supports four kinds of data transfers (control, bulk, interrupt,
54 - The device description model includes one or more "configurations"
60 - From USB 3.0 on configurations have one or more "functions", which
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/linux-6.14.4/drivers/net/ethernet/intel/ice/
Dice_txrx.c1 // SPDX-License-Identifier: GPL-2.0
27 * ice_prgm_fdir_fltr - Program a Flow Director filter
41 dma_addr_t dma; in ice_prgm_fdir_fltr() local
47 return -ENOENT; in ice_prgm_fdir_fltr()
48 tx_ring = vsi->tx_rings[0]; in ice_prgm_fdir_fltr()
49 if (!tx_ring || !tx_ring->desc) in ice_prgm_fdir_fltr()
50 return -ENOENT; in ice_prgm_fdir_fltr()
51 dev = tx_ring->dev; in ice_prgm_fdir_fltr()
54 for (i = ICE_FDIR_CLEAN_DELAY; ICE_DESC_UNUSED(tx_ring) < 2; i--) { in ice_prgm_fdir_fltr()
56 return -EAGAIN; in ice_prgm_fdir_fltr()
[all …]
/linux-6.14.4/drivers/net/wireless/realtek/rtw89/
Dpci.c1 // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
25 struct rtw89_pci *rtwpci = (struct rtw89_pci *)rtwdev->priv; in rtw89_pci_get_phy_offset_by_link_speed()
26 struct pci_dev *pdev = rtwpci->pdev; in rtw89_pci_get_phy_offset_by_link_speed()
41 return -EFAULT; in rtw89_pci_get_phy_offset_by_link_speed()
65 const struct rtw89_pci_info *info = rtwdev->pci_info; in rtw89_pci_dma_recalc()
66 u32 cnt, cur_rp, wp, rp, len; in rtw89_pci_dma_recalc() local
68 rp = bd_ring->rp; in rtw89_pci_dma_recalc()
69 wp = bd_ring->wp; in rtw89_pci_dma_recalc()
70 len = bd_ring->len; in rtw89_pci_dma_recalc()
74 cnt = cur_rp >= rp ? cur_rp - rp : len - (rp - cur_rp); in rtw89_pci_dma_recalc()
[all …]
Dpci_be.c1 // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
24 struct rtw89_pci *rtwpci = (struct rtw89_pci *)rtwdev->priv; in rtw89_pci_aspm_set_be()
25 struct pci_dev *pdev = rtwpci->pdev; in rtw89_pci_aspm_set_be()
80 const struct rtw89_pci_info *info = rtwdev->pci_info; in rtw89_pci_set_io_rcy_be()
84 if (info->io_rcy_en == MAC_AX_PCIE_ENABLE) { in rtw89_pci_set_io_rcy_be()
85 val32 = info->io_rcy_tmr == MAC_AX_IO_RCY_ANA_TMR_DEF ? in rtw89_pci_set_io_rcy_be()
86 PL0_TMR_ANA_172US : info->io_rcy_tmr; in rtw89_pci_set_io_rcy_be()
98 val32 = info->io_rcy_tmr == MAC_AX_IO_RCY_ANA_TMR_DEF ? in rtw89_pci_set_io_rcy_be()
99 PL0_TMR_MAC_1MS : info->io_rcy_tmr; in rtw89_pci_set_io_rcy_be()
104 val32 = info->io_rcy_tmr == MAC_AX_IO_RCY_ANA_TMR_DEF ? in rtw89_pci_set_io_rcy_be()
[all …]
/linux-6.14.4/drivers/net/ethernet/ti/
Ddavinci_emac.c1 // SPDX-License-Identifier: GPL-2.0+
5 * DaVinci EMAC is based upon CPPI 3.0 TI DMA engine
9 * ---------------------------------------------------------------------------
11 * 0-5 A number of folks worked on this driver in bits and pieces but the major
13 * 6.0 Anant Gole - rewrote the driver as per Linux conventions
14 * 6.1 Chaithrika U S - added support for Gigabit and RMII features,
38 #include <linux/dma-mapping.h>
106 #define EMAC_DEF_BUFFER_OFFSET (0) /* Buffer offset to DMA (future) */
117 #define EMAC_DEF_RX_MAX_SERVICE (64) /* should = netdev->weight */
316 struct cpdma_ctlr *dma; member
[all …]
/linux-6.14.4/drivers/net/ethernet/broadcom/
Dsb1250-mac.c1 // SPDX-License-Identifier: GPL-2.0-or-later
6 * This driver is designed for the Broadcom SiByte SOC built-in
48 /* A few user-configurable values which may be modified when a driver
116 sbmac_duplex_none = -1,
142 #define SBDMA_NEXTBUF(d,f) ((((d)->f+1) == (d)->sbdma_dscrtable_end) ? \
143 (d)->sbdma_dscrtable : (d)->f+1)
155 * DMA Descriptor structure
164 * DMA Controller structure
186 void __iomem *sbdma_config0; /* DMA config register 0 */
187 void __iomem *sbdma_config1; /* DMA config register 1 */
[all …]
/linux-6.14.4/drivers/isdn/hardware/mISDN/
Dhfcpci.c1 // SPDX-License-Identifier: GPL-2.0-or-later
4 * hfcpci.c low level driver for CCD's hfc-pci based cards
8 * type approval valid for HFC-S PCI A based card
10 * Copyright 1999 by Werner Cornelius (werner@isdn-development.de)
16 * NOTE: only one poll value must be given for all cards
19 * poll:
20 * NOTE: only one poll value must be given for all cards
46 static uint poll, tics; variable
51 MODULE_DESCRIPTION("mISDN driver for CCD's hfc-pci based cards");
54 module_param(poll, uint, S_IRUGO | S_IWUSR);
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