Lines Matching +full:dma +full:- +full:queues

1 /* SPDX-License-Identifier: GPL-2.0-only */
4  * Copyright 2010-2012 Solarflare Communications Inc.
17  * alignment of 4K.  All addresses are DMA addresses to be used within
20  * The only hardware-defined channels for a VF driver to communicate
28  * The PF driver can send arbitrary events to arbitrary event queues.
51  * The address must be page-aligned.  After receiving such a valid
54  * sequence of events or a DMA error, there will be no response.
70  * reinitialisation of its queues.
91  * enum vfdi_op - VFDI operation enumeration
96  * @VFDI_OP_FINI_ALL_QUEUES: Flush all queues, finalize all queues, then
100  * @VFDI_OP_SET_STATUS_PAGE: Set the DMA page(s) used for status updates
102  * @VFDI_OP_CLEAR_STATUS_PAGE: Clear the DMA page(s) used for status
120 #define VFDI_RC_ENOMEM		(-12)
121 #define VFDI_RC_EINVAL		(-22)
122 #define VFDI_RC_EOPNOTSUPP	(-95)
123 #define VFDI_RC_ETIMEDOUT	(-110)
126  * struct vfdi_req - Request from VF driver to PF driver
131  * @u.init_evq.addr: Array of length %u.init_evq.buf_count containing DMA
138  * @u.init_rxq.addr: Array of length %u.init_rxq.buf_count containing DMA
146  * @u.init_txq.addr: Array of length %u.init_txq.buf_count containing DMA
152  *	This address must be page-aligned and the PF may write up to a
156  * @u.set_status_page.peer_page_addr: Array of DMA addresses of pages.
158  *	additional pages in this array. The PF will then DMA up to
160  *	must be page-aligned.
209  * struct vfdi_status - Status provided by PF driver to VF driver
210  * @generation_start: A generation count DMA'd to VF *before* the
212  * @generation_end: A generation count DMA'd to VF *after* the
215  *	versions must either be layout-compatible or only be sent to VFs
220  * @max_tx_channels: The maximum number of transmit queues the VF can use.
221  * @rss_rxq_count: The number of receive queues present in the shared RSS