| Message ID | 20241118150124.984323-1-saikrishnag@marvell.com (mailing list archive) |
|---|---|
| Headers | show |
| Series | CN20K silicon with mbox support | expand |
On Mon, 18 Nov 2024 20:31:18 +0530 Sai Krishna wrote: > CN20K is the next generation silicon in the Octeon series with various > improvements and new features. The merge window has started and therefore net-next is closed, please repost in 2 weeks.
> -----Original Message----- > From: Jakub Kicinski <kuba@kernel.org> > Sent: Tuesday, November 19, 2024 7:09 AM > To: Sai Krishna Gajula <saikrishnag@marvell.com> > Cc: davem@davemloft.net; edumazet@google.com; pabeni@redhat.com; > netdev@vger.kernel.org; linux-kernel@vger.kernel.org; Sunil Kovvuri Goutham > <sgoutham@marvell.com>; Geethasowjanya Akula <gakula@marvell.com>; > Linu Cherian <lcherian@marvell.com>; Jerin Jacob <jerinj@marvell.com>; > Hariprasad Kelam <hkelam@marvell.com>; Subbaraya Sundeep Bhatta > <sbhatta@marvell.com>; andrew+netdev@lunn.ch; kalesh- > anakkur.purayil@broadcom.com > Subject: Re: [net-next PATCH v4 0/6] CN20K silicon with mbox > support > > On Mon, 18 Nov 2024 20: 31: 18 +0530 Sai Krishna wrote: > CN20K is the > next generation silicon in the Octeon series with various > improvements and > new features. The merge window has started and therefore net-next is closed, > please repost > On Mon, 18 Nov 2024 20:31:18 +0530 Sai Krishna wrote: > > CN20K is the next generation silicon in the Octeon series with various > > improvements and new features. > > The merge window has started and therefore net-next is closed, please repost > in 2 weeks. Ack, will repost once net-next is back. > -- > pw-bot: defer
CN20K is the next generation silicon in the Octeon series with various improvements and new features. Along with other changes the mailbox communication mechanism between RVU (Resource virtualization Unit) SRIOV PFs/VFs with Admin function (AF) has also gone through some changes. Some of those changes are - Separate IRQs for mbox request and response/ack. - Configurable mbox size, default being 64KB. - Ability for VFs to communicate with RVU AF instead of going through parent SRIOV PF. Due to more memory requirement due to configurable mbox size, mbox memory will now have to be allocated by - AF (PF0) for communicating with other PFs and all VFs in the system. - PF for communicating with it's child VFs. On previous silicons mbox memory was reserved and configured by firmware. This patch series add basic mbox support for AF (PF0) <=> PFs and PF <=> VFs. AF <=> VFs communication and variable mbox size support will come in later. Patch #1 Supported co-existance of bit encoding PFs and VFs in 16-bit hardware pcifunc format between CN20K silicon and older octeon series. Also exported PF,VF masks and shifts present in mailbox module to all other modules. Patch #2 Added basic mbox operation APIs and structures to support both CN20K and previous version of silicons. Patch #3 This patch adds support for basic mbox infrastructure implementation for CN20K silicon in AF perspective. There are few updates w.r.t MBOX ACK interrupt and offsets in CN20k. Patch #4 Added mbox implementation between NIC PF and AF for CN20K. Patch #5 Added mbox communication support between AF and AF's VFs. Patch #6 This patch adds support for MBOX communication between NIC PF and its VFs. Sai Krishna (5): octeontx2-af: CN20k basic mbox operations and structures octeontx2-af: CN20k mbox to support AF REQ/ACK functionality octeontx2-pf: CN20K mbox REQ/ACK implementation for NIC PF octeontx2-af: CN20K mbox implementation for AF's VF octeontx2-pf: CN20K mbox implementation between PF-VF Subbaraya Sundeep (1): octeontx2: Set appropriate PF, VF masks and shifts based on silicon --- v4 changes: Addressed minor conflits suggested by Jakub Kicinski 1. This V4 version of patch set is just a rebase of V3 on top of net-next to address some minor conflicts. v3 changes: Addressed review comments given by Jakub Kicinski, Simon Horman 1. Fixed sparse errors, warnings. 2. Fixed a comment mistake, inline with kernel-doc format. 3. Removed un-necessary type casting to honor Networking code format. v2 changes: Addressed review comments given by Kalesh Anakkur Purayil 1. Optimized code in parts of patches, removed redundant code 2. Fixed sparse warning 3. Removed debug log. .../ethernet/marvell/octeontx2/af/Makefile | 2 +- .../ethernet/marvell/octeontx2/af/cn20k/api.h | 34 ++ .../marvell/octeontx2/af/cn20k/mbox_init.c | 418 ++++++++++++++++++ .../ethernet/marvell/octeontx2/af/cn20k/reg.h | 81 ++++ .../marvell/octeontx2/af/cn20k/struct.h | 40 ++ .../ethernet/marvell/octeontx2/af/common.h | 2 +- .../net/ethernet/marvell/octeontx2/af/mbox.c | 129 +++++- .../net/ethernet/marvell/octeontx2/af/mbox.h | 13 + .../net/ethernet/marvell/octeontx2/af/rvu.c | 195 +++++--- .../net/ethernet/marvell/octeontx2/af/rvu.h | 53 ++- .../marvell/octeontx2/af/rvu_struct.h | 6 +- .../ethernet/marvell/octeontx2/nic/Makefile | 2 +- .../ethernet/marvell/octeontx2/nic/cn10k.c | 18 +- .../ethernet/marvell/octeontx2/nic/cn10k.h | 1 + .../ethernet/marvell/octeontx2/nic/cn20k.c | 252 +++++++++++ .../ethernet/marvell/octeontx2/nic/cn20k.h | 17 + .../marvell/octeontx2/nic/otx2_common.c | 10 +- .../marvell/octeontx2/nic/otx2_common.h | 36 +- .../ethernet/marvell/octeontx2/nic/otx2_pf.c | 152 +++++-- .../ethernet/marvell/octeontx2/nic/otx2_reg.h | 49 +- .../ethernet/marvell/octeontx2/nic/otx2_vf.c | 44 +- 21 files changed, 1392 insertions(+), 162 deletions(-) create mode 100644 drivers/net/ethernet/marvell/octeontx2/af/cn20k/api.h create mode 100644 drivers/net/ethernet/marvell/octeontx2/af/cn20k/mbox_init.c create mode 100644 drivers/net/ethernet/marvell/octeontx2/af/cn20k/reg.h create mode 100644 drivers/net/ethernet/marvell/octeontx2/af/cn20k/struct.h create mode 100644 drivers/net/ethernet/marvell/octeontx2/nic/cn20k.c create mode 100644 drivers/net/ethernet/marvell/octeontx2/nic/cn20k.h