[RFC PATCH v6 19/27] qedn: Add IRQ and fast-path resources initializations

Hannes Reinecke hare at suse.de
Fri May 28 05:46:42 PDT 2021


On 5/28/21 1:58 AM, Shai Malin wrote:
> This patch will present the adding of qedn_fp_queue - this is a per cpu
> core element which handles all of the connections on that cpu core.
> The qedn_fp_queue will handle a group of connections (NVMeoF QPs) which
> are handled on the same cpu core, and will only use the same FW-driver
> resources with no need to be related to the same NVMeoF controller.
> 
> The per qedn_fq_queue resources are the FW CQ and FW status block:
> - The FW CQ will be used for the FW to notify the driver that the
>   the exchange has ended and the FW will pass the incoming NVMeoF CQE
>   (if exist) to the driver.
> - FW status block - which is used for the FW to notify the driver with
>   the producer update of the FW CQE chain.
> 
> The FW fast-path queues are based on qed_chain.h
> 
> Acked-by: Igor Russkikh <irusskikh at marvell.com>
> Signed-off-by: Prabhakar Kushwaha <pkushwaha at marvell.com>
> Signed-off-by: Omkar Kulkarni <okulkarni at marvell.com>
> Signed-off-by: Michal Kalderon <mkalderon at marvell.com>
> Signed-off-by: Ariel Elior <aelior at marvell.com>
> Signed-off-by: Shai Malin <smalin at marvell.com>
> ---
>  drivers/nvme/hw/qedn/qedn.h      |  25 +++
>  drivers/nvme/hw/qedn/qedn_main.c | 289 ++++++++++++++++++++++++++++++-
>  2 files changed, 311 insertions(+), 3 deletions(-)
> 
Reviewed-by: Hannes Reinecke <hare at suse.de>

Cheers,

Hannes
-- 
Dr. Hannes Reinecke		        Kernel Storage Architect
hare at suse.de			               +49 911 74053 688
SUSE Software Solutions Germany GmbH, 90409 Nürnberg
GF: F. Imendörffer, HRB 36809 (AG Nürnberg)



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