Hi Ze Wang, > From: ze wang <wangze...@gmail.com> > Sent: Tuesday, March 9, 2021 8:34 AM > > Hi David, > I can see that the variable settings are in effect： > # mlxconfig -d b3:00.0 s PF_BAR2_ENABLE=0 PER_PF_NUM_SF=1 > PF_SF_BAR_SIZE=8 # mlxconfig -d b3:00.0 s PER_PF_NUM_SF=1 > PF_TOTAL_SF=192 PF_SF_BAR_SIZE=8 # mlxconfig -d b3:00.1 s > PER_PF_NUM_SF=1 PF_TOTAL_SF=192 PF_SF_BAR_SIZE=8 > > after cold reboot: > # mlxconfig -d b3:00.0 q|grep BAR > PF_BAR2_ENABLE False(0) > # mlxconfig -d b3:00.0 q|grep SF > Description: ConnectX-6 Dx EN adapter card; 25GbE; Dual-port SFP28; > PCIe 4.0 x8; Crypto and Secure Boot > PER_PF_NUM_SF True(1) > PF_TOTAL_SF 192 > PF_SF_BAR_SIZE 8 > # mlxconfig -d b3:00.1 q|grep SF > Description: ConnectX-6 Dx EN adapter card; 25GbE; Dual-port SFP28; > PCIe 4.0 x8; Crypto and Secure Boot > PER_PF_NUM_SF True(1) > PF_TOTAL_SF 192 > PF_SF_BAR_SIZE 8 > > I tried to create as many SF as possible, then I found each PF can create up > to > 132 SFs. I want to confirm the maximum number of SFs that > CX6 can create. If the mft version is correct, can I think that CX6 can > create up > to 132 SFs per PF? Do you have VFs enabled on the system? mlxconfig -d b3:00.0 q | grep VF If so, please disable SRIOV.
> > David Ahern <dsah...@gmail.com> 于2021年3月8日周一 下午11:48写道 > ： > > > > On 3/8/21 12:21 AM, ze wang wrote: > > > mlxconfig tool from mft tools version 4.16.52 or higher to set number of > SF. > > > > > > mlxconfig -d b3:00.0 PF_BAR2_ENABLE=0 PER_PF_NUM_SF=1 > > > PF_SF_BAR_SIZE=8 mlxconfig -d b3:00.0 PER_PF_NUM_SF=1 > > > PF_TOTAL_SF=192 PF_SF_BAR_SIZE=8 mlxconfig -d b3:00.1 > > > PER_PF_NUM_SF=1 PF_TOTAL_SF=192 PF_SF_BAR_SIZE=8 > > > > > > Cold reboot power cycle of the system as this changes the BAR size > > > in device > > > > > > > Is that capability going to be added to devlink?
