| /kernel/linux/linux-6.6/net/9p/ |
| D | trans_rdma.c | 3 * RDMA transport layer based on the trans_fd.c implementation.
32 #include <rdma/ib_verbs.h>
33 #include <rdma/rdma_cm.h>
46 * struct p9_trans_rdma - RDMA transport instance
49 * @cm_id: The RDMA CM ID
152 struct p9_trans_rdma *rdma = clnt->trans; in p9_rdma_show_options() local
154 if (rdma->port != P9_PORT) in p9_rdma_show_options()
155 seq_printf(m, ",port=%u", rdma->port); in p9_rdma_show_options()
156 if (rdma->sq_depth != P9_RDMA_SQ_DEPTH) in p9_rdma_show_options()
157 seq_printf(m, ",sq=%u", rdma->sq_depth); in p9_rdma_show_options()
[all …]
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| /kernel/linux/linux-5.10/net/9p/ |
| D | trans_rdma.c | 5 * RDMA transport layer based on the trans_fd.c implementation.
35 #include <rdma/ib_verbs.h>
36 #include <rdma/rdma_cm.h>
49 * struct p9_trans_rdma - RDMA transport instance
52 * @cm_id: The RDMA CM ID
153 struct p9_trans_rdma *rdma = clnt->trans; in p9_rdma_show_options() local
155 if (rdma->port != P9_PORT) in p9_rdma_show_options()
156 seq_printf(m, ",port=%u", rdma->port); in p9_rdma_show_options()
157 if (rdma->sq_depth != P9_RDMA_SQ_DEPTH) in p9_rdma_show_options()
158 seq_printf(m, ",sq=%u", rdma->sq_depth); in p9_rdma_show_options()
[all …]
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| /kernel/linux/linux-6.6/Documentation/admin-guide/cgroup-v1/ |
| D | rdma.rst | 2 RDMA Controller
8 1-1. What is RDMA controller?
9 1-2. Why RDMA controller needed?
10 1-3. How is RDMA controller implemented?
16 1-1. What is RDMA controller?
19 RDMA controller allows user to limit RDMA/IB specific resources that a given
20 set of processes can use. These processes are grouped using RDMA controller.
22 RDMA controller defines two resources which can be limited for processes of a
25 1-2. Why RDMA controller needed?
28 Currently user space applications can easily take away all the rdma verb
[all …]
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| /kernel/linux/linux-5.10/Documentation/admin-guide/cgroup-v1/ |
| D | rdma.rst | 2 RDMA Controller
8 1-1. What is RDMA controller?
9 1-2. Why RDMA controller needed?
10 1-3. How is RDMA controller implemented?
16 1-1. What is RDMA controller?
19 RDMA controller allows user to limit RDMA/IB specific resources that a given
20 set of processes can use. These processes are grouped using RDMA controller.
22 RDMA controller defines two resources which can be limited for processes of a
25 1-2. Why RDMA controller needed?
28 Currently user space applications can easily take away all the rdma verb
[all …]
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| /kernel/linux/linux-6.6/drivers/gpu/drm/mediatek/ |
| D | mtk_disp_rdma.c | 52 #define RDMA_FIFO_SIZE(rdma) ((rdma)->data->fifo_size) argument
109 struct mtk_disp_rdma *rdma = dev_get_drvdata(dev); in rdma_update_bits() local
110 unsigned int tmp = readl(rdma->regs + reg); in rdma_update_bits()
113 writel(tmp, rdma->regs + reg); in rdma_update_bits()
120 struct mtk_disp_rdma *rdma = dev_get_drvdata(dev); in mtk_rdma_register_vblank_cb() local
122 rdma->vblank_cb = vblank_cb; in mtk_rdma_register_vblank_cb()
123 rdma->vblank_cb_data = vblank_cb_data; in mtk_rdma_register_vblank_cb()
128 struct mtk_disp_rdma *rdma = dev_get_drvdata(dev); in mtk_rdma_unregister_vblank_cb() local
130 rdma->vblank_cb = NULL; in mtk_rdma_unregister_vblank_cb()
131 rdma->vblank_cb_data = NULL; in mtk_rdma_unregister_vblank_cb()
[all …]
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| /kernel/linux/linux-6.6/Documentation/devicetree/bindings/display/mediatek/ |
| D | mediatek,rdma.yaml | 4 $id: http://devicetree.org/schemas/display/mediatek/mediatek,rdma.yaml#
14 Mediatek Read Direct Memory Access(RDMA) component used to read the
18 RDMA device node must be siblings to the central MMSYS_CONFIG node.
27 - mediatek,mt2701-disp-rdma
28 - mediatek,mt8173-disp-rdma
29 - mediatek,mt8183-disp-rdma
30 - mediatek,mt8195-disp-rdma
33 - mediatek,mt8188-disp-rdma
34 - const: mediatek,mt8195-disp-rdma
37 - mediatek,mt7623-disp-rdma
[all …]
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| /kernel/linux/linux-5.10/net/sunrpc/xprtrdma/ |
| D | svc_rdma_rw.c | 5 * Use the core R/W API to move RPC-over-RDMA Read and Write chunks.
8 #include <rdma/rw.h>
20 /* Each R/W context contains state for one chain of RDMA Read or
27 * Each WR chain handles only one R_key. Each RPC-over-RDMA segment
53 svc_rdma_get_rw_ctxt(struct svcxprt_rdma *rdma, unsigned int sges) in svc_rdma_get_rw_ctxt() argument
57 spin_lock(&rdma->sc_rw_ctxt_lock); in svc_rdma_get_rw_ctxt()
59 ctxt = svc_rdma_next_ctxt(&rdma->sc_rw_ctxts); in svc_rdma_get_rw_ctxt()
62 spin_unlock(&rdma->sc_rw_ctxt_lock); in svc_rdma_get_rw_ctxt()
64 spin_unlock(&rdma->sc_rw_ctxt_lock); in svc_rdma_get_rw_ctxt()
82 trace_svcrdma_no_rwctx_err(rdma, sges); in svc_rdma_get_rw_ctxt()
[all …]
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| D | svc_rdma_sendto.c | 51 * XDR-encoded RPC Reply message. sendto must construct the RPC-over-RDMA
105 #include <rdma/ib_verbs.h>
106 #include <rdma/rdma_cm.h>
125 static void svc_rdma_send_cid_init(struct svcxprt_rdma *rdma, in svc_rdma_send_cid_init() argument
128 cid->ci_queue_id = rdma->sc_sq_cq->res.id; in svc_rdma_send_cid_init()
129 cid->ci_completion_id = atomic_inc_return(&rdma->sc_completion_ids); in svc_rdma_send_cid_init()
133 svc_rdma_send_ctxt_alloc(struct svcxprt_rdma *rdma) in svc_rdma_send_ctxt_alloc() argument
142 size += rdma->sc_max_send_sges * sizeof(struct ib_sge); in svc_rdma_send_ctxt_alloc()
146 buffer = kmalloc(rdma->sc_max_req_size, GFP_KERNEL); in svc_rdma_send_ctxt_alloc()
149 addr = ib_dma_map_single(rdma->sc_pd->device, buffer, in svc_rdma_send_ctxt_alloc()
[all …]
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| D | svc_rdma_recvfrom.c | 49 * be read. "Data Ready" is signaled when an RDMA Receive completes,
50 * or when a set of RDMA Reads complete.
61 * svc_rdma_recvfrom must post RDMA Reads to pull the RPC Call's
63 * RDMA Reads using pages in svc_rqst::rq_pages, which are
76 * of the RPC Call message, using the RDMA Read sink pages kept in
86 * The first svc_rqst supplies pages for RDMA Reads. These are moved
91 * During the second svc_rdma_recvfrom call, RDMA Read sink pages
98 #include <rdma/ib_verbs.h>
99 #include <rdma/rdma_cm.h>
120 static void svc_rdma_recv_cid_init(struct svcxprt_rdma *rdma, in svc_rdma_recv_cid_init() argument
[all …]
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| D | svc_rdma_transport.c | 52 #include <rdma/ib_verbs.h>
53 #include <rdma/rdma_cm.h>
54 #include <rdma/rw.h>
94 .xcl_name = "rdma",
154 * paragraph 2). For now, we assume that all supported RDMA in svc_rdma_create_xprt()
276 struct svcxprt_rdma *rdma = cma_id->context; in svc_rdma_cma_handler() local
277 struct svc_xprt *xprt = &rdma->sc_xprt; in svc_rdma_cma_handler()
281 clear_bit(RDMAXPRT_CONN_PENDING, &rdma->sc_flags); in svc_rdma_cma_handler()
296 * Create a listening RDMA service endpoint.
478 /* Construct RDMA-CM private message */ in svc_rdma_accept()
[all …]
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| /kernel/linux/linux-6.6/drivers/gpu/drm/meson/ |
| D | meson_rdma.c | 19 * by the VSYNC irq and does not handle the RDMA irq.
26 if (!priv->rdma.addr) { in meson_rdma_init()
28 priv->rdma.addr = in meson_rdma_init()
30 &priv->rdma.addr_dma, in meson_rdma_init()
32 if (!priv->rdma.addr) in meson_rdma_init()
36 priv->rdma.offset = 0; in meson_rdma_init()
50 if (!priv->rdma.addr && !priv->rdma.addr_dma) in meson_rdma_free()
56 priv->rdma.addr, priv->rdma.addr_dma); in meson_rdma_free()
58 priv->rdma.addr = NULL; in meson_rdma_free()
59 priv->rdma.addr_dma = (dma_addr_t)0; in meson_rdma_free()
[all …]
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| /kernel/linux/linux-5.10/drivers/gpu/drm/meson/ |
| D | meson_rdma.c | 19 * by the VSYNC irq and does not handle the RDMA irq.
26 if (!priv->rdma.addr) { in meson_rdma_init()
28 priv->rdma.addr = in meson_rdma_init()
30 &priv->rdma.addr_dma, in meson_rdma_init()
32 if (!priv->rdma.addr) in meson_rdma_init()
36 priv->rdma.offset = 0; in meson_rdma_init()
50 if (!priv->rdma.addr && !priv->rdma.addr_dma) in meson_rdma_free()
56 priv->rdma.addr, priv->rdma.addr_dma); in meson_rdma_free()
58 priv->rdma.addr = NULL; in meson_rdma_free()
59 priv->rdma.addr_dma = (dma_addr_t)0; in meson_rdma_free()
[all …]
|
| /kernel/linux/linux-6.6/Documentation/admin-guide/nfs/ |
| D | nfs-rdma.rst | 2 Setting up NFS/RDMA
14 This document describes how to install and setup the Linux NFS/RDMA client
17 The NFS/RDMA client was first included in Linux 2.6.24. The NFS/RDMA server
23 RDMA adapters.
29 nfs-rdma-devel@lists.sourceforge.net mailing list.
35 use with NFS/RDMA.
37 - Install an RDMA device
46 The first kernel release to contain both the NFS/RDMA client and server was
55 An NFS/RDMA mount point can be obtained by using the mount.nfs command in
57 version with support for NFS/RDMA mounts, but for various reasons we
[all …]
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| /kernel/linux/linux-5.10/Documentation/admin-guide/nfs/ |
| D | nfs-rdma.rst | 2 Setting up NFS/RDMA
14 This document describes how to install and setup the Linux NFS/RDMA client
17 The NFS/RDMA client was first included in Linux 2.6.24. The NFS/RDMA server
23 RDMA adapters.
29 nfs-rdma-devel@lists.sourceforge.net mailing list.
35 use with NFS/RDMA.
37 - Install an RDMA device
46 The first kernel release to contain both the NFS/RDMA client and server was
55 An NFS/RDMA mount point can be obtained by using the mount.nfs command in
57 version with support for NFS/RDMA mounts, but for various reasons we
[all …]
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| /kernel/linux/linux-6.6/net/sunrpc/xprtrdma/ |
| D | svc_rdma_sendto.c | 51 * XDR-encoded RPC Reply message. sendto must construct the RPC-over-RDMA
105 #include <rdma/ib_verbs.h>
106 #include <rdma/rdma_cm.h>
116 static void svc_rdma_send_cid_init(struct svcxprt_rdma *rdma, in svc_rdma_send_cid_init() argument
119 cid->ci_queue_id = rdma->sc_sq_cq->res.id; in svc_rdma_send_cid_init()
120 cid->ci_completion_id = atomic_inc_return(&rdma->sc_completion_ids); in svc_rdma_send_cid_init()
124 svc_rdma_send_ctxt_alloc(struct svcxprt_rdma *rdma) in svc_rdma_send_ctxt_alloc() argument
126 int node = ibdev_to_node(rdma->sc_cm_id->device); in svc_rdma_send_ctxt_alloc()
132 ctxt = kmalloc_node(struct_size(ctxt, sc_sges, rdma->sc_max_send_sges), in svc_rdma_send_ctxt_alloc()
136 buffer = kmalloc_node(rdma->sc_max_req_size, GFP_KERNEL, node); in svc_rdma_send_ctxt_alloc()
[all …]
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| D | svc_rdma_rw.c | 5 * Use the core R/W API to move RPC-over-RDMA Read and Write chunks.
8 #include <rdma/rw.h>
20 /* Each R/W context contains state for one chain of RDMA Read or
27 * Each WR chain handles only one R_key. Each RPC-over-RDMA segment
54 svc_rdma_get_rw_ctxt(struct svcxprt_rdma *rdma, unsigned int sges) in svc_rdma_get_rw_ctxt() argument
59 spin_lock(&rdma->sc_rw_ctxt_lock); in svc_rdma_get_rw_ctxt()
60 node = llist_del_first(&rdma->sc_rw_ctxts); in svc_rdma_get_rw_ctxt()
61 spin_unlock(&rdma->sc_rw_ctxt_lock); in svc_rdma_get_rw_ctxt()
66 GFP_KERNEL, ibdev_to_node(rdma->sc_cm_id->device)); in svc_rdma_get_rw_ctxt()
83 trace_svcrdma_no_rwctx_err(rdma, sges); in svc_rdma_get_rw_ctxt()
[all …]
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| D | svc_rdma_recvfrom.c | 49 * be read. "Data Ready" is signaled when an RDMA Receive completes,
50 * or when a set of RDMA Reads complete.
61 * svc_rdma_recvfrom must post RDMA Reads to pull the RPC Call's
63 * RDMA Reads using pages in svc_rqst::rq_pages, which are
76 * of the RPC Call message, using the RDMA Read sink pages kept in
86 * The first svc_rqst supplies pages for RDMA Reads. These are moved
91 * During the second svc_rdma_recvfrom call, RDMA Read sink pages
98 #include <rdma/ib_verbs.h>
99 #include <rdma/rdma_cm.h>
118 static void svc_rdma_recv_cid_init(struct svcxprt_rdma *rdma, in svc_rdma_recv_cid_init() argument
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| /kernel/linux/linux-6.6/include/linux/sunrpc/ |
| D | rpc_rdma.h | 66 * Smallest RPC/RDMA header: rm_xid through rm_type, then rm_nochunks
81 RDMA_ERROR = 4 /* An RPC RDMA encoding error */
94 * Private extension to RPC-over-RDMA Version One.
95 * Message passed during RDMA-CM connection set-up.
128 * xdr_encode_rdma_segment - Encode contents of an RDMA segment
130 * @handle: The RDMA handle to encode
131 * @length: The RDMA length to encode
132 * @offset: The RDMA offset to encode
135 * Pointer to the XDR position that follows the encoded RDMA segment
149 * @handle: The RDMA handle to encode
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| D | svc_rdma.h | 53 #include <rdma/ib_verbs.h>
54 #include <rdma/rdma_cm.h>
63 /* RPC/RDMA parameters and stats */
76 struct rdma_cm_id *sc_cm_id; /* RDMA connection id */
78 int sc_ord; /* RDMA read limit */
171 extern void svc_rdma_recv_ctxts_destroy(struct svcxprt_rdma *rdma);
172 extern bool svc_rdma_post_recvs(struct svcxprt_rdma *rdma);
174 svc_rdma_recv_ctxt_get(struct svcxprt_rdma *rdma);
175 extern void svc_rdma_recv_ctxt_put(struct svcxprt_rdma *rdma,
177 extern void svc_rdma_flush_recv_queues(struct svcxprt_rdma *rdma);
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| /kernel/linux/linux-5.10/include/linux/sunrpc/ |
| D | rpc_rdma.h | 66 * Smallest RPC/RDMA header: rm_xid through rm_type, then rm_nochunks
81 RDMA_ERROR = 4 /* An RPC RDMA encoding error */
94 * Private extension to RPC-over-RDMA Version One.
95 * Message passed during RDMA-CM connection set-up.
128 * xdr_encode_rdma_segment - Encode contents of an RDMA segment
130 * @handle: The RDMA handle to encode
131 * @length: The RDMA length to encode
132 * @offset: The RDMA offset to encode
135 * Pointer to the XDR position that follows the encoded RDMA segment
149 * @handle: The RDMA handle to encode
[all …]
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| D | svc_rdma.h | 50 #include <rdma/ib_verbs.h>
51 #include <rdma/rdma_cm.h>
60 /* RPC/RDMA parameters and stats */
78 struct rdma_cm_id *sc_cm_id; /* RDMA connection id */
80 int sc_ord; /* RDMA read limit */
172 extern void svc_rdma_recv_ctxts_destroy(struct svcxprt_rdma *rdma);
173 extern bool svc_rdma_post_recvs(struct svcxprt_rdma *rdma);
174 extern void svc_rdma_recv_ctxt_put(struct svcxprt_rdma *rdma,
176 extern void svc_rdma_flush_recv_queues(struct svcxprt_rdma *rdma);
181 extern void svc_rdma_destroy_rw_ctxts(struct svcxprt_rdma *rdma);
[all …]
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| /kernel/linux/linux-6.6/Documentation/ABI/stable/ |
| D | sysfs-driver-ib_srp | 4 Contact: linux-rdma@vger.kernel.org
47 communicated from initiator to target via an additional RDMA
59 MSI-X completion vector of the first RDMA channel. Some
77 Contact: linux-rdma@vger.kernel.org
83 Contact: linux-rdma@vger.kernel.org
89 Contact: linux-rdma@vger.kernel.org
97 Contact: linux-rdma@vger.kernel.org
98 Description: Number of RDMA channels used for communication with the SRP
104 Contact: linux-rdma@vger.kernel.org
111 Contact: linux-rdma@vger.kernel.org
[all …]
|
| /kernel/linux/linux-5.10/Documentation/ABI/stable/ |
| D | sysfs-driver-ib_srp | 4 Contact: linux-rdma@vger.kernel.org
47 communicated from initiator to target via an additional RDMA
59 MSI-X completion vector of the first RDMA channel. Some
77 Contact: linux-rdma@vger.kernel.org
83 Contact: linux-rdma@vger.kernel.org
89 Contact: linux-rdma@vger.kernel.org
97 Contact: linux-rdma@vger.kernel.org
98 Description: Number of RDMA channels used for communication with the SRP
104 Contact: linux-rdma@vger.kernel.org
111 Contact: linux-rdma@vger.kernel.org
[all …]
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| /kernel/linux/linux-6.6/include/rdma/ |
| D | rdma_cm.h | 12 #include <rdma/ib_addr.h>
13 #include <rdma/ib_sa.h>
14 #include <uapi/rdma/rdma_user_cm.h>
18 * RDMA identifier and release all resources allocated with the device.
134 * rdma_create_id - Create an RDMA identifier.
140 * @ps: RDMA port space.
154 * rdma_destroy_id - Destroys an RDMA identifier.
156 * @id: RDMA identifier.
164 * rdma_bind_addr - Bind an RDMA identifier to a source address and
165 * associated RDMA device, if needed.
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| /kernel/linux/linux-5.10/include/rdma/ |
| D | rdma_cm.h | 12 #include <rdma/ib_addr.h>
13 #include <rdma/ib_sa.h>
14 #include <uapi/rdma/rdma_user_cm.h>
18 * RDMA identifier and release all resources allocated with the device.
123 * rdma_create_id - Create an RDMA identifier.
129 * @ps: RDMA port space.
143 * rdma_destroy_id - Destroys an RDMA identifier.
145 * @id: RDMA identifier.
153 * rdma_bind_addr - Bind an RDMA identifier to a source address and
154 * associated RDMA device, if needed.
[all …]
|