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/Linux-v5.15/net/smc/
Dsmc_diag.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Shared Memory Communications over RDMA (SMC-R) and RoCE
5 * Monitoring SMC transport protocol sockets
20 #include <net/smc.h>
22 #include "smc.h"
31 return (struct smc_diag_dump_ctx *)cb->ctx; in smc_dump_context()
36 struct smc_sock *smc = smc_sk(sk); in smc_diag_msg_common_fill() local
39 r->diag_family = sk->sk_family; in smc_diag_msg_common_fill()
40 sock_diag_save_cookie(sk, r->id.idiag_cookie); in smc_diag_msg_common_fill()
41 if (!smc->clcsock) in smc_diag_msg_common_fill()
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Dsmc_clc.h1 /* SPDX-License-Identifier: GPL-2.0 */
3 * Shared Memory Communications over RDMA (SMC-R) and RoCE
18 #include "smc.h"
25 #define SMC_TYPE_R 0 /* SMC-R only */
26 #define SMC_TYPE_D 1 /* SMC-D only */
27 #define SMC_TYPE_N 2 /* neither SMC-R nor SMC-D */
28 #define SMC_TYPE_B 3 /* SMC-R and SMC-D */
35 #define SMC_CLC_DECL_PEERNOSMC 0x03010000 /* peer did not indicate SMC */
37 #define SMC_CLC_DECL_NOSMCDEV 0x03030000 /* no SMC device found (R or D) */
38 #define SMC_CLC_DECL_NOSMCDDEV 0x03030001 /* no SMC-D device found */
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Dsmc_core.h1 /* SPDX-License-Identifier: GPL-2.0 */
3 * Shared Memory Communications over RDMA (SMC-R) and RoCE
5 * Definitions for SMC Connections, Link Groups and Links
16 #include <linux/smc.h>
21 #include "smc.h"
79 struct smc_ib_device *smcibdev; /* ib-device */
80 u8 ibport; /* port - values 1 | 2 */
116 u8 gid[SMC_GID_SIZE];/* gid matching used vlan id*/
117 u8 sgid_index; /* gid index for vlan id */
126 u8 link_uid[SMC_LGR_ID_SIZE]; /* unique lnk id */
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Daf_smc.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Shared Memory Communications over RDMA (SMC-R) and RoCE
7 * offers an alternative communication option for TCP-protocol sockets
8 * applicable with RoCE-cards only
11 * - support for alternate links postponed
19 #define KMSG_COMPONENT "smc"
33 #include <net/smc.h>
40 #include "smc.h"
69 struct smc_sock *smc = smc_sk(sk); in smc_set_keepalive() local
71 smc->clcsock->sk->sk_prot->keepalive(smc->clcsock->sk, val); in smc_set_keepalive()
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Dsmc_core.c1 // SPDX-License-Identifier: GPL-2.0
3 * Shared Memory Communications over RDMA (SMC-R) and RoCE
20 #include <linux/smc.h>
26 #include "smc.h"
61 if (lgr->is_smcd) { in smc_lgr_list_head()
62 *lgr_lock = &lgr->smcd->lgr_lock; in smc_lgr_list_head()
63 return &lgr->smcd->lgr_list; in smc_lgr_list_head()
72 atomic_inc(&lnk->smcibdev->lnk_cnt_by_port[lnk->ibport - 1]); in smc_ibdev_cnt_inc()
77 atomic_dec(&lnk->smcibdev->lnk_cnt_by_port[lnk->ibport - 1]); in smc_ibdev_cnt_dec()
84 * otherwise there is a risk of out-of-sync link groups. in smc_lgr_schedule_free_work()
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Dsmc_ism.h1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* Shared Memory Communications Direct over ISM devices (SMC-D)
4 * SMC-D ISM device structure definitions.
16 #include "smc.h"
25 struct smc_ism_vlanid { /* VLAN id set on ISM device */
27 unsigned short vlanid; /* Vlan id */
Dsmc.h1 /* SPDX-License-Identifier: GPL-2.0 */
3 * Shared Memory Communications over RDMA (SMC-R) and RoCE
5 * Definitions for the SMC module (socket related)
21 #define SMC_V1 1 /* SMC version V1 */
22 #define SMC_V2 2 /* SMC version V2 */
25 #define SMCPROTO_SMC 0 /* SMC protocol, IPv4 */
26 #define SMCPROTO_SMC6 1 /* SMC protocol, IPv6 */
28 #define SMC_MAX_ISM_DEVS 8 /* max # of proposed non-native ISM
42 enum smc_state { /* possible states of an SMC socket */
98 union smc_host_cursor { /* SMC cursor - an offset in an RMBE */
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/Linux-v5.15/drivers/net/fddi/skfp/
Ddrvfbi.c1 // SPDX-License-Identifier: GPL-2.0-or-later
19 #include "h/smc.h"
44 * | --------------------- the patched POS_ID of the Adapter
45 * | xxxx = (Vendor ID low byte,
46 * | Vendor ID high byte,
47 * | Device ID low byte,
48 * | Device ID high byte)
49 * +------------------------------ the patched oem_id must be
51 * this is a short id for the driver.
60 #define OEMID(smc,i) oem_id[ID_BYTE0 + i] argument
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Dsmt.c1 // SPDX-License-Identifier: GPL-2.0-or-later
15 #include "h/smc.h"
26 #define m_fc(mb) ((mb)->sm_data[0])
54 static int mac_index(struct s_smc *smc, int mac);
55 static int phy_index(struct s_smc *smc, int phy);
56 static int mac_con_resource_index(struct s_smc *smc, int mac);
57 static int phy_con_resource_index(struct s_smc *smc, int phy);
58 static void smt_send_rdf(struct s_smc *smc, SMbuf *rej, int fc, int reason,
60 static void smt_send_nif(struct s_smc *smc, const struct fddi_addr *dest,
62 static void smt_send_ecf(struct s_smc *smc, struct fddi_addr *dest, int fc,
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Dsmtinit.c1 // SPDX-License-Identifier: GPL-2.0-or-later
20 #include "h/smc.h"
22 void init_fddi_driver(struct s_smc *smc, u_char *mac_addr);
30 #define OEMID(smc,i) oem_id[i] argument
33 #define OEMID(smc,i) smc->hw.oem_id->oi_mark[i] argument
41 * the OEM ID is already defined.
43 static void set_oem_spec_val(struct s_smc *smc) in set_oem_spec_val() argument
47 mib = &smc->mib ; in set_oem_spec_val()
52 if (OEMID(smc,0) == 'I') { in set_oem_spec_val()
53 mib->fddiSMTConnectionPolicy = POLICY_MM ; in set_oem_spec_val()
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Dess.c1 // SPDX-License-Identifier: GPL-2.0-or-later
27 * FDDI sub-system supporting the SBA application.
34 #include "h/smc.h"
50 -------------------------------------------------------------
52 -------------------------------------------------------------
66 -------------------------------------------------------------
68 -------------------------------------------------------------
73 -------------------------------------------------------------
75 -------------------------------------------------------------
78 static void ess_send_response(struct s_smc *smc, struct smt_header *sm,
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/Linux-v5.15/Documentation/devicetree/bindings/watchdog/
Darm-smc-wdt.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/watchdog/arm-smc-wdt.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - $ref: "watchdog.yaml#"
13 - Julius Werner <jwerner@chromium.org>
18 - arm,smc-wdt
19 arm,smc-id:
22 The ATF smc function id used by the firmware.
26 - compatible
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/Linux-v5.15/arch/arm/mach-omap2/
Domap-smc.S1 /* SPDX-License-Identifier: GPL-2.0-only */
23 .arch armv7-a
26 stmfd sp!, {r2-r12, lr}
30 smc #0
31 ldmfd sp!, {r2-r12, pc}
35 * u32 omap_smc2(u32 id, u32 falg, u32 pargs)
37 * @id: Application ID of HAL APIs
43 stmfd sp!, {r4-r12, lr}
46 mov r1, #0x0 @ Process ID
48 mov r12, #0x00 @ Secure Service ID
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/Linux-v5.15/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>
19 * Function specified by SMC Calling convention.
28 * Normal cached memory (write-back), shareable for SMP systems and not
36 * 32-bit registers.
40 * Function specified by SMC Calling convention
44 * 384fb3e0-e7f8-11e3-af63-0002a5d5c51b.
54 * Function specified by SMC Calling convention
75 * Used by non-secure world to figure out which Trusted OS is installed.
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/Linux-v5.15/drivers/mfd/
Datmel-smc.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Atmel SMC (Static Memory Controller) helper functions.
8 * Author: Boris Brezillon <boris.brezillon@free-electrons.com>
11 #include <linux/mfd/syscon/atmel-smc.h>
15 * atmel_smc_cs_conf_init - initialize a SMC CS conf
16 * @conf: the SMC CS conf to initialize
27 * atmel_smc_cs_encode_ncycles - encode a number of MCK clk cycles in the
28 * format expected by the SMC engine
36 * (section "SMC Setup/Pulse/Cycle/Timings Register"). This is a generic
40 * If the @ncycles value is too big to be encoded, -ERANGE is returned and
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/Linux-v5.15/Documentation/devicetree/bindings/firmware/
Darm,scmi.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
4 ---
5 $id: http://devicetree.org/schemas/firmware/arm,scmi.yaml#
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
11 - Sudeep Holla <sudeep.holla@arm.com>
31 - description: SCMI compliant firmware with mailbox transport
33 - const: arm,scmi
34 - description: SCMI compliant firmware with ARM SMC/HVC transport
36 - const: arm,scmi-smc
37 - description: SCMI compliant firmware with SCMI Virtio transport.
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/Linux-v5.15/drivers/firmware/
Dqcom_scm-legacy.c1 // SPDX-License-Identifier: GPL-2.0-only
13 #include <linux/arm-smccc.h>
14 #include <linux/dma-mapping.h>
23 * @args: The array of values used in registers in smc instruction
31 * struct scm_legacy_command - one SCM command buffer
35 * @id: command to be executed
40 * ------------------- <--- struct scm_legacy_command
42 * ------------------- <--- scm_legacy_get_command_buffer()
44 * ------------------- <--- struct scm_legacy_response and
46 * ------------------- <--- scm_legacy_get_response_buffer()
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Dqcom_scm-smc.c1 // SPDX-License-Identifier: GPL-2.0-only
12 #include <linux/arm-smccc.h>
13 #include <linux/dma-mapping.h>
19 * @args: The array of values used in registers in smc instruction
31 #define SCM_SMC_FIRST_EXT_IDX (SCM_SMC_N_REG_ARGS - 1)
32 #define SCM_SMC_N_EXT_ARGS (MAX_QCOM_SCM_ARGS - SCM_SMC_N_REG_ARGS + 1)
34 #define SCM_SMC_LAST_REG_IDX (SCM_SMC_FIRST_REG_IDX + SCM_SMC_N_REG_ARGS - 1)
36 static void __scm_smc_do_quirk(const struct arm_smccc_args *smc, in __scm_smc_do_quirk() argument
39 unsigned long a0 = smc->args[0]; in __scm_smc_do_quirk()
40 struct arm_smccc_quirk quirk = { .id = ARM_SMCCC_QUIRK_QCOM_A6 }; in __scm_smc_do_quirk()
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/Linux-v5.15/Documentation/devicetree/bindings/memory-controllers/
Darm,pl353-smc.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/memory-controllers/arm,pl353-smc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: ARM PL353 Static Memory Controller (SMC) device-tree bindings
10 - Miquel Raynal <miquel.raynal@bootlin.com>
11 - Naga Sureshkumar Relli <naga.sureshkumar.relli@xilinx.com>
23 const: arm,pl353-smc-r2p1
25 - compatible
29 pattern: "^memory-controller@[0-9a-f]+$"
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Datmel,ebi.txt5 The EBI provides a glue-less interface to asynchronous memories through the SMC
10 - compatible: "atmel,at91sam9260-ebi"
11 "atmel,at91sam9261-ebi"
12 "atmel,at91sam9263-ebi0"
13 "atmel,at91sam9263-ebi1"
14 "atmel,at91sam9rl-ebi"
15 "atmel,at91sam9g45-ebi"
16 "atmel,at91sam9x5-ebi"
17 "atmel,sama5d3-ebi"
18 "microchip,sam9x60-ebi"
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/Linux-v5.15/include/linux/
Darm-smccc.h1 /* SPDX-License-Identifier: GPL-2.0-only */
12 * This file provides common defines for ARM SMC Calling Convention as
16 * This code is up-to-date with version DEN 0028 C
101 /* KVM UID value: 28b46fb6-2ec5-11e9-a9ca-4b564d003a74 */
124 * this hypercall ID.
132 /* ptp_kvm counter type ID */
185 #define SMCCC_RET_NOT_SUPPORTED -1
186 #define SMCCC_RET_NOT_REQUIRED -2
187 #define SMCCC_RET_INVALID_PARAMETER -3
225 * struct arm_smccc_res - Result from SMC/HVC call
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/Linux-v5.15/drivers/firmware/arm_scmi/
Dsmc.c1 // SPDX-License-Identifier: GPL-2.0
3 * System Control and Management Interface (SCMI) Message SMC/HVC
9 #include <linux/arm-smccc.h>
22 * struct scmi_smc - Structure representing a SCMI smc transport
27 * @func_id: smc/hvc call function id
45 complete(&scmi_info->tx_complete); in smc_msg_done_isr()
52 struct device_node *np = of_parse_phandle(dev->of_node, "shmem", 0); in smc_chan_available()
63 struct device *cdev = cinfo->dev; in smc_chan_setup()
72 return -ENODEV; in smc_chan_setup()
76 return -ENOMEM; in smc_chan_setup()
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/Linux-v5.15/arch/arm/mach-bcm/
Dbcm_kona_smc.c35 {.compatible = "brcm,kona-smc"},
36 {.compatible = "bcm,kona-smc"}, /* deprecated name */
52 return -ENODEV; in bcm_kona_smc_init()
56 return -EINVAL; in bcm_kona_smc_init()
58 /* We assume space for four 32-bit arguments */ in bcm_kona_smc_init()
60 return -EINVAL; in bcm_kona_smc_init()
65 return -EINVAL; in bcm_kona_smc_init()
69 return -ENOMEM; in bcm_kona_smc_init()
80 * Only core 0 can run the secure monitor code. If an "smc" request
84 * Each "smc" request supplies a service id and the address of a
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/Linux-v5.15/Documentation/devicetree/bindings/arm/firmware/
Dlinaro,optee-tz.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/arm/firmware/linaro,optee-tz.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: OP-TEE Device Tree Bindings
10 - Jens Wiklander <jens.wiklander@linaro.org>
13 OP-TEE is a piece of software using hardware features to provide a Trusted
25 const: linaro,optee-tz
28 enum: [smc, hvc]
30 The method of calling the OP-TEE Trusted OS depending on smc or hvc
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Dsdei.txt6 firmware-first error handling, or from an IRQ that has been promoted to
7 a firmware-assisted NMI.
12 below) and passing arguments in a manner specified by the "SMC Calling
15 r0 => 32-bit Function ID / return value
16 {r1 - r3} => Parameters
27 - compatible : should contain:
28 * "arm,sdei-1.0" : For implementations complying to SDEI version 1.x.
30 - method : The method of calling the SDEI firmware. Permitted
32 * "smc" : SMC #0, with the register assignments specified in this
39 compatible = "arm,sdei-1.0";
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