search for: buf_word

Displaying 3 results from an estimated 3 matches for "buf_word".

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2023 Mar 20
3
[PATCH 0/2] vdpa/snet: support [s/g]et_vq_state and suspend
Add more vDPA callbacks. [s/g]et_vq_state is added in patch 1, including a new control mechanism to read data from the DPU. suspend is added in patch 2. Alvaro Karsz (2): vdpa/snet: support getting and setting VQ state vdpa/snet: support the suspend vDPA callback drivers/vdpa/solidrun/Makefile | 1 + drivers/vdpa/solidrun/snet_ctrl.c | 324 +++++++++++++++++++++++++++++
2023 Apr 02
2
[PATCH resend 0/2] vdpa/snet: support [s/g]et_vq_state and suspend
Add more vDPA callbacks. [s/g]et_vq_state is added in patch 1, including a new control mechanism to read data from the DPU. suspend is added in patch 2. Alvaro Karsz (2): vdpa/snet: support getting and setting VQ state vdpa/snet: support the suspend vDPA callback drivers/vdpa/solidrun/Makefile | 1 + drivers/vdpa/solidrun/snet_ctrl.c | 324 +++++++++++++++++++++++++++++
2023 Apr 03
2
[PATCH resend 1/2] vdpa/snet: support getting and setting VQ state
Hi Jason, > > + /* Overwrite the control register with the new buffer size (in 4B words) */ > > + snet_write_ctrl(regs, buf_words); > > + /* Use a memory barrier, this must be written before the opcode register. */ > > + wmb(); > > > At least you need to use smp_wmb() but if you want to serialize MMIO > writes you can simply use spinlocks after the removal of mmiowb > work[1]. >...