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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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436667d2e1
This introduces the hclge device reset states of "requested" and "pending" and also its handling in context to Reset Service Task. Device gets into requested state because of any VF reset request asserted from upper layers, for example due to watchdog timeout expiration. Requested state would result in eventually forwarding the VF reset request to PF which would actually reset the VF. Device will get into pending state if: 1. VF receives the acknowledgement from PF for the VF reset request it originally sent to PF. 2. Reset Service Task detects that after asserting VF reset for certain times the data-path is not working and device then decides to assert full VF reset(this means also resetting the PCIe interface). 3. PF intimates the VF that it has undergone reset. Pending state would result in VF to poll for hardware reset completion status and then resetting the stack/enet layer, which in turn means reinitializing the ring management/enet layer. Note: we would be adding support of 3. later as a separate patch. This decision should not affect VF reset as its event handling is generic in nature. Signed-off-by: Salil Mehta <salil.mehta@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
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| 3com | ||
| 8390 | ||
| adaptec | ||
| adi | ||
| aeroflex | ||
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| altera | ||
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| atheros | ||
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| broadcom | ||
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| cadence | ||
| calxeda | ||
| cavium | ||
| chelsio | ||
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| cortina | ||
| davicom | ||
| dec | ||
| dlink | ||
| emulex | ||
| ezchip | ||
| faraday | ||
| freescale | ||
| fujitsu | ||
| hisilicon | ||
| hp | ||
| huawei | ||
| i825xx | ||
| ibm | ||
| intel | ||
| marvell | ||
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| micrel | ||
| microchip | ||
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| myricom | ||
| natsemi | ||
| neterion | ||
| netronome | ||
| nuvoton | ||
| nvidia | ||
| nxp | ||
| oki-semi | ||
| packetengines | ||
| pasemi | ||
| qlogic | ||
| qualcomm | ||
| rdc | ||
| realtek | ||
| renesas | ||
| rocker | ||
| samsung | ||
| seeq | ||
| sfc | ||
| sgi | ||
| silan | ||
| sis | ||
| smsc | ||
| socionext | ||
| stmicro | ||
| sun | ||
| synopsys | ||
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| ti | ||
| tile | ||
| toshiba | ||
| tundra | ||
| via | ||
| wiznet | ||
| xilinx | ||
| xircom | ||
| xscale | ||
| dnet.c | ||
| dnet.h | ||
| ec_bhf.c | ||
| ethoc.c | ||
| fealnx.c | ||
| jme.c | ||
| jme.h | ||
| Kconfig | ||
| korina.c | ||
| lantiq_etop.c | ||
| Makefile | ||
| netx-eth.c | ||