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/linux-6.8/drivers/memory/
Drenesas-rpc-if.c1 // SPDX-License-Identifier: GPL-2.0
3 * Renesas RPC-IF core driver
5 * Copyright (C) 2018-2019 Renesas Solutions Corp.
7 * Copyright (C) 2019-2020 Cogent Embedded, Inc.
19 #include <memory/renesas-rpc-if.h>
43 #define RPCIF_DRCR_RBURST(v) ((((v) - 1) & 0x1F) << 16)
111 #define RPCIF_DMDMCR_DMCYC(v) ((((v) - 1) & 0x1F) << 0)
120 #define RPCIF_SMDMCR_DMCYC(v) ((((v) - 1) & 0x1F) << 0)
128 #define RPCIF_PHYADD 0x0070 /* R/W available on R-Car E3/D3/V3M and RZ/G2{E,L} */
129 #define RPCIF_PHYWR 0x0074 /* R/W available on R-Car E3/D3/V3M and RZ/G2{E,L} */
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/linux-6.8/arch/mips/pci/
Dpci-rt3883.c1 // SPDX-License-Identifier: GPL-2.0-only
5 * Copyright (C) 2011-2013 Gabor Juhos <juhosg@openwrt.org>
22 #include <asm/mach-ralink/rt3883.h>
23 #include <asm/mach-ralink/ralink_regs.h>
77 hose = (struct pci_controller *) bus->sysdata; in pci_bus_to_rt3883_controller()
81 static inline u32 rt3883_pci_r32(struct rt3883_pci_controller *rpc, in rt3883_pci_r32() argument
84 return ioread32(rpc->base + reg); in rt3883_pci_r32()
87 static inline void rt3883_pci_w32(struct rt3883_pci_controller *rpc, in rt3883_pci_w32() argument
90 iowrite32(val, rpc->base + reg); in rt3883_pci_w32()
100 static u32 rt3883_pci_read_cfg32(struct rt3883_pci_controller *rpc, in rt3883_pci_read_cfg32() argument
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/linux-6.8/Documentation/devicetree/bindings/memory-controllers/
Drenesas,rpc-if.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/memory-controllers/renesas,rpc-if.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Renesas Reduced Pin Count Interface (RPC-IF)
10 - Sergei Shtylyov <sergei.shtylyov@gmail.com>
13 Renesas RPC-IF allows a SPI flash or HyperFlash connected to the SoC to
16 The flash chip itself should be represented by a subnode of the RPC-IF node.
19 - if it contains "jedec,spi-nor", then SPI is used;
20 - if it contains "cfi-flash", then HyperFlash is used.
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/linux-6.8/drivers/mtd/hyperbus/
Drpc-if.c1 // SPDX-License-Identifier: GPL-2.0
3 * Linux driver for RPC-IF HyperFlash
5 * Copyright (C) 2019-2020 Cogent Embedded, Inc.
18 #include <memory/renesas-rpc-if.h>
21 struct rpcif rpc; member
46 static void rpcif_hb_prepare_read(struct rpcif *rpc, void *to, in rpcif_hb_prepare_read() argument
59 rpcif_prepare(rpc->dev, &op, NULL, NULL); in rpcif_hb_prepare_read()
62 static void rpcif_hb_prepare_write(struct rpcif *rpc, unsigned long to, in rpcif_hb_prepare_write() argument
73 rpcif_prepare(rpc->dev, &op, NULL, NULL); in rpcif_hb_prepare_write()
82 rpcif_hb_prepare_read(&hyperbus->rpc, &data, addr, 2); in rpcif_hb_read16()
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/linux-6.8/drivers/spi/
Dspi-rpc-if.c1 // SPDX-License-Identifier: GPL-2.0
3 // RPC-IF SPI/QSPI/Octa driver
7 // Copyright (C) 2019 - 2020 Cogent Embedded, Inc.
13 #include <linux/spi/spi-mem.h>
15 #include <memory/renesas-rpc-if.h>
23 struct rpcif *rpc = spi_controller_get_devdata(spi_dev->controller); in rpcif_spi_mem_prepare() local
26 rpc_op.cmd.opcode = spi_op->cmd.opcode; in rpcif_spi_mem_prepare()
27 rpc_op.cmd.buswidth = spi_op->cmd.buswidth; in rpcif_spi_mem_prepare()
29 if (spi_op->addr.nbytes) { in rpcif_spi_mem_prepare()
30 rpc_op.addr.buswidth = spi_op->addr.buswidth; in rpcif_spi_mem_prepare()
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/linux-6.8/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/
Dr535.c49 #include <nvrm/535.113.01/nvidia/generated/g_rpc-structures.h>
79 return -EAGAIN; in r535_rpc_status_to_errno()
81 return -ENOMEM; in r535_rpc_status_to_errno()
83 return -EINVAL; in r535_rpc_status_to_errno()
91 u32 size, rptr = *gsp->msgq.rptr; in r535_gsp_msgq_wait()
97 if (WARN_ON(!size || size >= gsp->msgq.cnt)) in r535_gsp_msgq_wait()
98 return ERR_PTR(-EINVAL); in r535_gsp_msgq_wait()
101 u32 wptr = *gsp->msgq.wptr; in r535_gsp_msgq_wait()
103 used = wptr + gsp->msgq.cnt - rptr; in r535_gsp_msgq_wait()
104 if (used >= gsp->msgq.cnt) in r535_gsp_msgq_wait()
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/linux-6.8/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/
Dr535.c33 #include <nvrm/535.113.01/nvidia/generated/g_rpc-structures.h>
61 struct nvkm_gsp_client *client = device->object.client; in fbsr_memlist()
62 struct nvkm_gsp *gsp = client->gsp; in fbsr_memlist()
64 rpc_alloc_memory_v13_01 *rpc; in fbsr_memlist() local
67 rpc = nvkm_gsp_rpc_get(gsp, NV_VGPU_MSG_FUNCTION_ALLOC_MEMORY, in fbsr_memlist()
68 sizeof(*rpc) + pages * sizeof(rpc->pteDesc.pte_pde[0])); in fbsr_memlist()
69 if (IS_ERR(rpc)) in fbsr_memlist()
70 return PTR_ERR(rpc); in fbsr_memlist()
72 rpc->hClient = client->object.handle; in fbsr_memlist()
73 rpc->hDevice = device->object.handle; in fbsr_memlist()
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/linux-6.8/drivers/clk/renesas/
Drcar-cpg-lib.c1 // SPDX-License-Identifier: GPL-2.0
3 * R-Car Gen3 Clock Pulse Generator Library
5 * Copyright (C) 2015-2018 Glider bvba
8 * Based on clk-rcar-gen3.c
14 #include <linux/clk-provider.h>
23 #include "rcar-cpg-lib.h"
48 csn->saved = readl(csn->reg); in cpg_simple_notifier_call()
52 writel(csn->saved, csn->reg); in cpg_simple_notifier_call()
61 csn->nb.notifier_call = cpg_simple_notifier_call; in cpg_simple_notifier_register()
62 raw_notifier_chain_register(notifiers, &csn->nb); in cpg_simple_notifier_register()
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/linux-6.8/drivers/greybus/
Des2.c1 // SPDX-License-Identifier: GPL-2.0
5 * Copyright 2014-2015 Google Inc.
6 * Copyright 2014-2015 Linaro Ltd.
48 * Adjust if we are having stalls in the USB buffer due to not enough urbs in
54 * Adjust if we get messages saying we are out of urbs in the system log.
75 * struct es2_ap_dev - ES2 USB Bridge to AP structure
83 * @cport_out_urb_busy: array of flags to see if the @cport_out_urb is busy or
88 * @cdsi1_in_use: true if cport CDSI1 is in use
95 * @arpc_endpoint_in: bulk in endpoint for APBridgeA RPC
138 return (struct es2_ap_dev *)&hd->hd_priv; in hd_to_es2()
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/linux-6.8/net/sunrpc/
Dstats.c1 // SPDX-License-Identifier: GPL-2.0-only
5 * procfs-based user access to generic RPC statistics. The stats files
6 * reside in /proc/net/rpc.
9 * If you implement an RPC service that has its own stats routine which
10 * appends the generic RPC stats, make sure you don't exceed the PAGE_SIZE
35 * Get RPC client stats
38 const struct rpc_stat *statp = seq->private; in rpc_proc_show()
39 const struct rpc_program *prog = statp->program; in rpc_proc_show()
44 statp->netcnt, in rpc_proc_show()
45 statp->netudpcnt, in rpc_proc_show()
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Dclnt.c1 // SPDX-License-Identifier: GPL-2.0-only
5 * This file contains the high-level RPC interface.
9 * - RPC header generation and argument serialization.
10 * - Credential refresh.
11 * - TCP connect handling.
12 * - Retry of operation when it is suspected the operation failed because
47 #if IS_ENABLED(CONFIG_SUNRPC_DEBUG)
52 * All RPC clients are linked into this list
87 spin_lock(&sn->rpc_client_lock); in rpc_register_client()
88 list_add(&clnt->cl_clients, &sn->all_clients); in rpc_register_client()
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Dbackchannel_rqst.c1 // SPDX-License-Identifier: GPL-2.0-only
16 #if IS_ENABLED(CONFIG_SUNRPC_DEBUG)
33 return xprt->bc_alloc_count < xprt->bc_alloc_max; in xprt_need_to_requeue()
44 dprintk("RPC: free allocations for req= %p\n", req); in xprt_free_allocation()
45 WARN_ON_ONCE(test_bit(RPC_BC_PA_IN_USE, &req->rq_bc_pa_state)); in xprt_free_allocation()
46 xbufp = &req->rq_rcv_buf; in xprt_free_allocation()
47 free_page((unsigned long)xbufp->head[0].iov_base); in xprt_free_allocation()
48 xbufp = &req->rq_snd_buf; in xprt_free_allocation()
49 free_page((unsigned long)xbufp->head[0].iov_base); in xprt_free_allocation()
55 buf->head[0].iov_len = PAGE_SIZE; in xprt_bc_reinit_xdr_buf()
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Dxprt.c1 // SPDX-License-Identifier: GPL-2.0-only
5 * This is a generic RPC call interface supporting congestion avoidance,
10 * - When a process places a call, it allocates a request slot if
13 * - Next, the caller puts together the RPC message, stuffs it into
15 * - xprt_transmit sends the message and installs the caller on the
16 * transport's wait list. At the same time, if a reply is expected,
19 * - When a packet arrives, the data_ready handler walks the list of
20 * pending requests for that transport. If a matching XID is found, the
22 * - When no reply arrives within the timeout interval, the timer is
25 * of -ETIMEDOUT.
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DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
20 tristate "Secure RPC: Kerberos V mechanism"
27 Choose Y here to enable Secure RPC using the Kerberos version 5
28 GSS-API mechanism (RFC 1964).
30 Secure RPC calls with Kerberos require an auxiliary user-space
31 daemon which may be found in the Linux nfs-utils package
32 available from http://linux-nfs.org/. In addition, user-space
35 If unsure, say Y.
38 bool "Enable Kerberos enctypes based on AES and SHA-1"
47 SHA-1 digests. These include aes128-cts-hmac-sha1-96 and
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Dauth.c1 // SPDX-License-Identifier: GPL-2.0-only
5 * Generic RPC client authentication API.
62 if (!val) in param_set_hashtbl_sz()
65 if (ret) in param_set_hashtbl_sz()
67 nbits = fls(num - 1); in param_set_hashtbl_sz()
68 if (nbits > MAX_HASHTABLE_BITS || nbits < 2) in param_set_hashtbl_sz()
70 *(unsigned int *)kp->arg = nbits; in param_set_hashtbl_sz()
73 return -EINVAL; in param_set_hashtbl_sz()
80 nbits = *(unsigned int *)kp->arg; in param_get_hashtbl_sz()
92 MODULE_PARM_DESC(auth_hashtable_size, "RPC credential cache hashtable size");
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Dtimer.c1 // SPDX-License-Identifier: GPL-2.0-only
5 * Estimate RPC request round trip time.
7 * Based on packet round-trip and variance estimator algorithms described
12 * This RTT estimator is used only for RPC over datagram protocols.
30 * rpc_init_rtt - Initialize an RPC RTT estimator context
40 rt->timeo = timeo; in rpc_init_rtt()
42 if (timeo > RPC_RTO_INIT) in rpc_init_rtt()
43 init = (timeo - RPC_RTO_INIT) << 3; in rpc_init_rtt()
45 rt->srtt[i] = init; in rpc_init_rtt()
46 rt->sdrtt[i] = RPC_RTO_INIT; in rpc_init_rtt()
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/linux-6.8/net/sunrpc/xprtrdma/
Dsvc_rdma_recvfrom.c1 // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
3 * Copyright (c) 2016-2018 Oracle. All rights reserved.
5 * Copyright (c) 2005-2006 Network Appliance, Inc. All rights reserved.
10 * COPYING in the main directory of this source tree, or the BSD-type
40 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
53 * free pages (rq_pages) that will contain the incoming RPC message.
56 * the RPC Call is ready to be processed by the Upper Layer.
57 * svc_rdma_recvfrom returns the length of the RPC Call message,
58 * completing the reception of the RPC Call.
61 * svc_rdma_recvfrom must post RDMA Reads to pull the RPC Call's
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Dtransport.c1 // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
3 * Copyright (c) 2014-2017 Oracle. All rights reserved.
4 * Copyright (c) 2003-2007 Network Appliance, Inc. All rights reserved.
9 * COPYING in the main directory of this source tree, or the BSD-type
39 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
45 * This file contains the top-level implementation of an RPC RDMA
49 * transport switch. All others are RPC RDMA internal.
74 #if IS_ENABLED(CONFIG_SUNRPC_DEBUG)
82 static unsigned int max_memreg = RPCRDMA_LAST - 1;
153 snprintf(buf, sizeof(buf), "%08x", ntohl(sin->sin_addr.s_addr)); in xprt_rdma_format_addresses4()
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Dsvc_rdma_sendto.c1 // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
3 * Copyright (c) 2016-2018 Oracle. All rights reserved.
5 * Copyright (c) 2005-2006 Network Appliance, Inc. All rights reserved.
10 * COPYING in the main directory of this source tree, or the BSD-type
40 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
48 * RPC server when an RPC Reply is ready to be transmitted to a client.
50 * The passed-in svc_rqst contains a struct xdr_buf which holds an
51 * XDR-encoded RPC Reply message. sendto must construct the RPC-over-RDMA
53 * a Send WR conveying the transport header and the RPC message itself to
75 * DMA-unmap the pages under I/O for that Write segment. The Write
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Drpc_rdma.c1 // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
3 * Copyright (c) 2014-2020, Oracle and/or its affiliates.
4 * Copyright (c) 2003-2007 Network Appliance, Inc. All rights reserved.
9 * COPYING in the main directory of this source tree, or the BSD-type
39 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
45 * This file contains the guts of the RPC RDMA protocol, and
47 * to the Linux RPC framework lives.
57 /* Returns size of largest RPC-over-RDMA header in a Call message
59 * The largest Call header contains a full-size Read list and a
80 /* Returns size of largest RPC-over-RDMA header in a Reply message
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/linux-6.8/include/linux/sunrpc/
Dsched.h1 /* SPDX-License-Identifier: GPL-2.0 */
5 * Scheduling primitives for kernel Sun RPC.
22 * This is the actual RPC procedure call info.
46 to_increment; /* if !exponential */
52 * This is the RPC task struct
69 struct rpc_wait_queue *tk_waitqueue; /* RPC wait queue we're on */
72 struct rpc_wait tk_wait; /* RPC wait */
76 * RPC call state
78 struct rpc_message tk_msg; /* RPC call info */
82 struct rpc_clnt * tk_client; /* RPC client */
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Dsvc.h1 /* SPDX-License-Identifier: GPL-2.0 */
5 * RPC server declarations.
27 * RPC service thread pool.
30 * a single one of these per RPC service, but on NUMA machines those
32 * have one pool per NUMA node. This optimisation reduces cross-
33 * node traffic on multi-node NUMA NFS servers.
52 SP_TASK_PENDING, /* still work to do even if no xprt is queued */
59 * RPC service.
61 * An RPC service is a ``daemon,'' possibly multithreaded, which
62 * receives and processes incoming RPC messages.
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/linux-6.8/drivers/media/platform/amphion/
Dvpu_core.c1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright 2020-2021 NXP
31 writel(val, core->base + reg); in csr_writel()
36 return readl(core->base + reg); in csr_readl()
44 if (!core->fw.virt) { in vpu_core_load_firmware()
45 dev_err(core->dev, "firmware buffer is not ready\n"); in vpu_core_load_firmware()
46 return -EINVAL; in vpu_core_load_firmware()
49 ret = request_firmware(&pfw, core->res->fwname, core->dev); in vpu_core_load_firmware()
50 dev_dbg(core->dev, "request_firmware %s : %d\n", core->res->fwname, ret); in vpu_core_load_firmware()
51 if (ret) { in vpu_core_load_firmware()
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/linux-6.8/drivers/gpu/drm/nouveau/nvkm/subdev/bar/
Dr535.c31 #include <nvrm/535.113.01/nvidia/generated/g_rpc-structures.h>
38 ioread32_native(bar->flushBAR2); in r535_bar_flush()
49 rpc_update_bar_pde_v15_00 *rpc; in r535_bar_bar2_update_pde() local
51 rpc = nvkm_gsp_rpc_get(gsp, NV_VGPU_MSG_FUNCTION_UPDATE_BAR_PDE, sizeof(*rpc)); in r535_bar_bar2_update_pde()
52 if (WARN_ON(IS_ERR_OR_NULL(rpc))) in r535_bar_bar2_update_pde()
53 return -EIO; in r535_bar_bar2_update_pde()
55 rpc->info.barType = NV_RPC_UPDATE_PDE_BAR_2; in r535_bar_bar2_update_pde()
56 rpc->info.entryValue = addr ? ((addr >> 4) | 2) : 0; /* PD3 entry format! */ in r535_bar_bar2_update_pde()
57 rpc->info.entryLevelShift = 47; //XXX: probably fetch this from mmu! in r535_bar_bar2_update_pde()
59 return nvkm_gsp_rpc_wr(gsp, rpc, true); in r535_bar_bar2_update_pde()
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/linux-6.8/drivers/tee/optee/
Doptee_smc.h1 /* SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) */
3 * Copyright (c) 2015-2021, Linaro Limited
8 #include <linux/arm-smccc.h>
28 * Normal cached memory (write-back), shareable for SMP systems and not
36 * 32-bit registers.
42 * Return the following UID if using API specified in this file
44 * 384fb3e0-e7f8-11e3-af63-0002a5d5c51b.
56 * Returns 2.0 if using API specified in this file without further extensions.
75 * Used by non-secure world to figure out which Trusted OS is installed.
78 * Returns UUID in a0-4 in the same way as OPTEE_SMC_CALLS_UID
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