| 发明名称 |
DIRECT ACCESS TO LOCAL MEMORY IN A PCI-E DEVICE |
| 摘要 |
A method includes communicating between at least first and second devices over a bus in accordance with a bus address space, including providing direct access over the bus to a local address space of the first device by mapping at least some of the addresses of the local address space to the bus address space. In response to indicating, by the first device or the second device, that the second device requires to access a local address in the local address space that is not currently mapped to the bus address space, the local address is mapped to the bus address space, and the local address is accessed directly, by the second device, using the mapping. |
| 申请公布号 |
US2015347349(A1) |
申请公布日期 |
2015.12.03 |
| 申请号 |
US201514721009 |
申请日期 |
2015.05.26 |
| 申请人 |
MELLANOX TECHNOLOGIES LTD. |
发明人 |
Raindel Shachar;Burstein Idan;Bloch Noam;Raikin Shlomo |
| 分类号 |
G06F15/173;G06F13/42;G06F13/28 |
主分类号 |
G06F15/173 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A method, comprising:
communicating between at least first and second devices over a bus in accordance with a bus address space, including providing direct access over the bus to a local address space of the first device by mapping at least some of the addresses of the local address space to the bus address space; in response to detecting, by the first device or the second device, that the second device requires to access a local address in the local address space that is not currently mapped to the bus address space, mapping the local address to the bus address space; and accessing the local address directly, by the second device, using the mapping. |
| 地址 |
Yokneam IL |
