tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1.. SPDX-License-Identifier: GPL-2.0
2
3==========================
4PCI NTB Endpoint Function
5==========================
6
71) Create a subdirectory to pci_epf_ntb directory in configfs.
8
9Standard EPF Configurable Fields:
10
11================ ===========================================================
12vendorid should be 0x104c
13deviceid should be 0xb00d for TI's J721E SoC
14revid don't care
15progif_code don't care
16subclass_code should be 0x00
17baseclass_code should be 0x5
18cache_line_size don't care
19subsys_vendor_id don't care
20subsys_id don't care
21interrupt_pin don't care
22msi_interrupts don't care
23msix_interrupts don't care
24================ ===========================================================
25
262) Create a subdirectory to directory created in 1
27
28NTB EPF specific configurable fields:
29
30================ ===========================================================
31db_count Number of doorbells; default = 4
32mw1 size of memory window1
33mw2 size of memory window2
34mw3 size of memory window3
35mw4 size of memory window4
36num_mws Number of memory windows; max = 4
37spad_count Number of scratchpad registers; default = 64
38================ ===========================================================