| /linux/drivers/of/ |
| H A D | of_reserved_mem.c | 410 struct reserved_mem *rmem = &reserved_mem[i]; in __reserved_mem_alloc_in_range() local
413 if (rmem->size == 0) in __reserved_mem_alloc_in_range()
421 if (start >= rmem->base && start <= (rmem->base + rmem->size)) in __reserved_mem_alloc_in_range()
429 if (end >= rmem->base && end <= (rmem->base + rmem->size)) in __reserved_mem_alloc_in_range()
599 static int __init __reserved_mem_init_node(struct reserved_mem *rmem, in __reserved_mem_init_node() argument
613 ret = ops->node_init(node, rmem); in __reserved_mem_init_node()
615 rmem->ops = ops; in __reserved_mem_init_node()
617 rmem->name, compat); in __reserved_mem_init_node()
641 struct reserved_mem *rmem = &reserved_mem[reserved_mem_count]; in fdt_init_reserved_mem_node() local
649 rmem->name = uname; in fdt_init_reserved_mem_node()
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| /linux/kernel/dma/ |
| H A D | coherent.c | 338 static int rmem_dma_device_init(struct reserved_mem *rmem, struct device *dev) in rmem_dma_device_init() argument
340 struct dma_coherent_mem *mem = rmem->priv; in rmem_dma_device_init()
343 mem = dma_init_coherent_memory(rmem->base, rmem->base, in rmem_dma_device_init()
344 rmem->size, true); in rmem_dma_device_init()
347 rmem->priv = mem; in rmem_dma_device_init()
351 if (mem->device_base + rmem->size - 1 > in rmem_dma_device_init()
359 static void rmem_dma_device_release(struct reserved_mem *rmem, in rmem_dma_device_release() argument
367 static int __init rmem_dma_setup(unsigned long node, struct reserved_mem *rmem) in rmem_dma_setup() argument
383 dma_reserved_default_memory_base = rmem->base; in rmem_dma_setup()
384 dma_reserved_default_memory_size = rmem->size; in rmem_dma_setup()
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| H A D | swiotlb.c | 1991 static int rmem_swiotlb_device_init(struct reserved_mem *rmem, in rmem_swiotlb_device_init() argument
1994 struct io_tlb_mem *mem = rmem->priv; in rmem_swiotlb_device_init()
1995 unsigned long nslabs = rmem->size >> IO_TLB_SHIFT; in rmem_swiotlb_device_init()
2000 if (PageHighMem(pfn_to_page(PHYS_PFN(rmem->base)))) { in rmem_swiotlb_device_init()
2038 ret = set_memory_decrypted((unsigned long)phys_to_virt(rmem->base), in rmem_swiotlb_device_init()
2039 rmem->size >> PAGE_SHIFT); in rmem_swiotlb_device_init()
2051 swiotlb_init_io_tlb_pool(pool, rmem->base, phys_to_virt(rmem->base), in rmem_swiotlb_device_init()
2061 rmem->priv = mem; in rmem_swiotlb_device_init()
2063 swiotlb_create_debugfs_files(mem, rmem->name); in rmem_swiotlb_device_init()
2071 static void rmem_swiotlb_device_release(struct reserved_mem *rmem, in rmem_swiotlb_device_release() argument
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| /linux/drivers/soc/fsl/qbman/ |
| H A D | dpaa_sys.c | 41 struct reserved_mem *rmem; in qbman_init_private_mem() local
55 rmem = of_reserved_mem_lookup(mem_node); in qbman_init_private_mem()
56 if (!rmem) { in qbman_init_private_mem()
60 *addr = rmem->base; in qbman_init_private_mem()
61 *size = rmem->size; in qbman_init_private_mem()
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| /linux/drivers/hid/ |
| H A D | hid-wiimote-core.c | 381 ssize_t wiimote_cmd_read(struct wiimote_data *wdata, __u32 offset, __u8 *rmem, in wiimote_cmd_read() argument
389 wdata->state.cmd_read_buf = rmem; in wiimote_cmd_read()
432 static __u8 wiimote_cmd_read_ext(struct wiimote_data *wdata, __u8 *rmem) in wiimote_cmd_read_ext() argument
437 ret = wiimote_cmd_read(wdata, 0xa400fa, rmem, 6); in wiimote_cmd_read_ext()
441 hid_dbg(wdata->hdev, "extension ID: %6phC\n", rmem); in wiimote_cmd_read_ext()
443 if (rmem[0] == 0xff && rmem[1] == 0xff && rmem[2] == 0xff && in wiimote_cmd_read_ext()
444 rmem[3] == 0xff && rmem[4] == 0xff && rmem[5] == 0xff) in wiimote_cmd_read_ext()
447 if (rmem[4] == 0x00 && rmem[5] == 0x00) in wiimote_cmd_read_ext()
449 if (rmem[4] == 0x01 && rmem[5] == 0x01) in wiimote_cmd_read_ext()
451 if (rmem[4] == 0x04 && rmem[5] == 0x02) in wiimote_cmd_read_ext()
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| H A D | hid-wiimote.h | 276 __u8 *rmem, __u8 size);
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| /linux/drivers/soc/qcom/ |
| H A D | rmtfs_mem.c | 175 struct reserved_mem *rmem; in qcom_rmtfs_mem_probe() local
182 rmem = of_reserved_mem_lookup(node); in qcom_rmtfs_mem_probe()
183 if (!rmem) { in qcom_rmtfs_mem_probe()
199 rmtfs_mem->addr = rmem->base; in qcom_rmtfs_mem_probe()
201 rmtfs_mem->size = rmem->size; in qcom_rmtfs_mem_probe()
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| /linux/drivers/net/ethernet/broadcom/bnxt/ |
| H A D | bnxt_coredump.c | 529 static u32 bnxt_copy_crash_data(struct bnxt_ring_mem_info *rmem, void *buf, in bnxt_copy_crash_data() argument
536 for (i = 0; i < rmem->nr_pages; i++) { in bnxt_copy_crash_data()
537 data_len = rmem->page_size; in bnxt_copy_crash_data()
540 memcpy(buf + data_copied, rmem->pg_arr[i], data_len); in bnxt_copy_crash_data()
550 struct bnxt_ring_mem_info *rmem; in bnxt_copy_crash_dump() local
556 rmem = &bp->fw_crash_mem->ring_mem; in bnxt_copy_crash_dump()
558 if (rmem->depth > 1) { in bnxt_copy_crash_dump()
561 for (i = 0; i < rmem->nr_pages; i++) { in bnxt_copy_crash_dump()
572 bnxt_copy_crash_data(rmem, buf, dump_len); in bnxt_copy_crash_dump()
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| H A D | bnxt.c | 2601 struct bnxt_ring_mem_info *rmem, *rmem_pg_tbl; in bnxt_bs_trace_init() local
2615 rmem = &ctx_pg[0].ring_mem; in bnxt_bs_trace_init()
2620 int last_pg_dir = rmem->nr_pages - 1; in bnxt_bs_trace_init()
2625 bs_trace->magic_byte = rmem->pg_arr[last_pg]; in bnxt_bs_trace_init()
3658 static size_t __bnxt_copy_ring(struct bnxt *bp, struct bnxt_ring_mem_info *rmem, in __bnxt_copy_ring() argument
3665 head_page = head / rmem->page_size; in __bnxt_copy_ring()
3666 source_offset = head % rmem->page_size; in __bnxt_copy_ring()
3671 max_bytes = (rmem->nr_pages - start_idx) * rmem->page_size - in __bnxt_copy_ring()
3677 len = min((size_t)(rmem->page_size - source_offset), rem_len); in __bnxt_copy_ring()
3679 memcpy(buf + offset, rmem->pg_arr[i] + source_offset, in __bnxt_copy_ring()
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| /linux/arch/arm/boot/dts/broadcom/ |
| H A D | bcm2711-rpi.dtsi | 88 &rmem {
95 compatible = "raspberrypi,bootloader-config", "nvmem-rmem";
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| H A D | bcm283x.dtsi | 33 rmem: reserved-memory { label
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| /linux/drivers/net/ethernet/broadcom/bnge/ |
| H A D | bnge_rmem.h | 196 int bnge_alloc_ring(struct bnge_dev *bd, struct bnge_ring_mem_info *rmem);
197 void bnge_free_ring(struct bnge_dev *bd, struct bnge_ring_mem_info *rmem);
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| H A D | bnge_hwrm_lib.c | 343 static void bnge_hwrm_set_pg_attr(struct bnge_ring_mem_info *rmem, u8 *pg_attr, in bnge_hwrm_set_pg_attr() argument
346 if (!rmem->nr_pages) in bnge_hwrm_set_pg_attr()
350 if (rmem->depth >= 1) { in bnge_hwrm_set_pg_attr()
351 if (rmem->depth == 2) in bnge_hwrm_set_pg_attr()
355 *pg_dir = cpu_to_le64(rmem->dma_pg_tbl); in bnge_hwrm_set_pg_attr()
357 *pg_dir = cpu_to_le64(rmem->dma_arr[0]); in bnge_hwrm_set_pg_attr()
1315 struct bnge_ring_mem_info *rmem = &ring->ring_mem; in hwrm_ring_alloc_send_msg() local
1328 if (rmem->nr_pages > 1) { in hwrm_ring_alloc_send_msg()
1329 req->page_tbl_addr = cpu_to_le64(rmem->dma_pg_tbl); in hwrm_ring_alloc_send_msg()
1334 req->page_tbl_addr = cpu_to_le64(rmem->dma_arr[0]); in hwrm_ring_alloc_send_msg()
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| H A D | bnge_netdev.c | 572 struct bnge_ring_mem_info *rmem; in alloc_one_cp_ring() local
581 rmem = &ring->ring_mem; in alloc_one_cp_ring()
582 rmem->nr_pages = bn->cp_nr_pages; in alloc_one_cp_ring()
583 rmem->page_size = HW_CMPD_RING_SIZE; in alloc_one_cp_ring()
584 rmem->pg_arr = (void **)cpr->desc_ring; in alloc_one_cp_ring()
585 rmem->dma_arr = cpr->desc_mapping; in alloc_one_cp_ring()
586 rmem->flags = BNGE_RMEM_RING_PTE_FLAG; in alloc_one_cp_ring()
587 rc = bnge_alloc_ring(bd, rmem); in alloc_one_cp_ring()
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| /linux/net/netlink/ |
| H A D | af_netlink.c | 1215 unsigned int rmem; in netlink_attachskb() local
1218 rmem = atomic_add_return(skb->truesize, &sk->sk_rmem_alloc); in netlink_attachskb()
1220 if ((rmem == skb->truesize || rmem <= READ_ONCE(sk->sk_rcvbuf)) && in netlink_attachskb()
1238 rmem = atomic_read(&sk->sk_rmem_alloc); in netlink_attachskb()
1240 if (((rmem && rmem + skb->truesize > READ_ONCE(sk->sk_rcvbuf)) || in netlink_attachskb()
1392 unsigned int rmem, rcvbuf; in netlink_broadcast_deliver() local
1394 rmem = atomic_add_return(skb->truesize, &sk->sk_rmem_alloc); in netlink_broadcast_deliver()
1397 if ((rmem == skb->truesize || rmem <= rcvbuf) && in netlink_broadcast_deliver()
1401 return rmem > (rcvbuf >> 1); in netlink_broadcast_deliver()
2265 unsigned int rmem, rcvbuf; in netlink_dump() local
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| /linux/drivers/tee/optee/ |
| H A D | smc_abi.c | 117 p->u.memref.size = mp->u.rmem.size; in from_msg_param_reg_mem()
118 shm = (struct tee_shm *)(unsigned long)mp->u.rmem.shm_ref; in from_msg_param_reg_mem()
121 p->u.memref.shm_offs = mp->u.rmem.offs; in from_msg_param_reg_mem()
214 mp->u.rmem.shm_ref = (unsigned long)p->u.memref.shm; in to_msg_param_reg_mem()
215 mp->u.rmem.size = p->u.memref.size; in to_msg_param_reg_mem()
216 mp->u.rmem.offs = p->u.memref.shm_offs; in to_msg_param_reg_mem()
552 msg_arg->params[0].u.rmem.shm_ref = (unsigned long)shm; in optee_shm_unregister()
1019 msg_arg->params[0].u.rmem.shm_ref = (u_long)protmem; in optee_smc_reclaim_protmem()
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| /linux/net/ipv4/ |
| H A D | udp.c | 1663 unsigned int rmem, rcvbuf; in __udp_enqueue_schedule_skb() local
1670 rmem = atomic_read(&sk->sk_rmem_alloc); in __udp_enqueue_schedule_skb()
1676 rmem += atomic_read(&udp_prod_queue->rmem_alloc); in __udp_enqueue_schedule_skb()
1681 if (rmem + size > rcvbuf) { in __udp_enqueue_schedule_skb()
1686 if (rmem) in __udp_enqueue_schedule_skb()
1696 if (rmem > (rcvbuf >> 1)) { in __udp_enqueue_schedule_skb()
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| H A D | tcp_input.c | 5359 unsigned int rmem = atomic_read(&sk->sk_rmem_alloc); in tcp_can_ingest() local
5361 return rmem <= sk->sk_rcvbuf; in tcp_can_ingest()
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| /linux/drivers/net/ethernet/airoha/ |
| H A D | airoha_eth.c | 1266 struct reserved_mem *rmem; in airoha_qdma_init_hfwd_queues() local
1277 rmem = of_reserved_mem_lookup(np); in airoha_qdma_init_hfwd_queues()
1279 if (!rmem) in airoha_qdma_init_hfwd_queues()
1282 dma_addr = rmem->base; in airoha_qdma_init_hfwd_queues()
1286 num_desc = div_u64(rmem->size, buf_size); in airoha_qdma_init_hfwd_queues()
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| /linux/arch/arm64/boot/dts/broadcom/ |
| H A D | bcm2712.dtsi | 178 rmem: reserved-memory { label
|