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Date: Mon, 2 Nov 2020 09:51:28 +0000
From: Srujana Challa <schalla@...vell.com>
To: Willem de Bruijn <willemdebruijn.kernel@...il.com>
CC: Herbert Xu <herbert@...dor.apana.org.au>,
David Miller <davem@...emloft.net>,
Network Development <netdev@...r.kernel.org>,
"linux-crypto@...r.kernel.org" <linux-crypto@...r.kernel.org>,
Jakub Kicinski <kuba@...nel.org>,
Sunil Kovvuri Goutham <sgoutham@...vell.com>,
Geethasowjanya Akula <gakula@...vell.com>,
Subbaraya Sundeep Bhatta <sbhatta@...vell.com>,
Suheil Chandran <schandran@...vell.com>,
"Narayana Prasad Raju Athreya" <pathreya@...vell.com>
Subject: RE: [EXT] Re: [PATCH v8,net-next,02/12] octeontx2-af: add mailbox
interface for CPT
> On Wed, Oct 28, 2020 at 10:44 PM Srujana Challa <schalla@...vell.com> wrote:
> >
> > On OcteonTX2 SoC, the admin function (AF) is the only one with all
> > priviliges to configure HW and alloc resources, PFs and it's VFs
> > have to request AF via mailbox for all their needs. This patch adds
> > a mailbox interface for CPT PFs and VFs to allocate resources
> > for cryptography.
> >
> > Signed-off-by: Suheil Chandran <schandran@...vell.com>
> > Signed-off-by: Srujana Challa <schalla@...vell.com>
> > ---
> > .../ethernet/marvell/octeontx2/af/Makefile | 3 +-
> > .../net/ethernet/marvell/octeontx2/af/mbox.h | 33 +++
> > .../net/ethernet/marvell/octeontx2/af/rvu.c | 2 +-
> > .../net/ethernet/marvell/octeontx2/af/rvu.h | 1 +
> > .../ethernet/marvell/octeontx2/af/rvu_cpt.c | 229 ++++++++++++++++++
> > .../ethernet/marvell/octeontx2/af/rvu_reg.h | 63 ++++-
> > 6 files changed, 323 insertions(+), 8 deletions(-)
> > create mode 100644 drivers/net/ethernet/marvell/octeontx2/af/rvu_cpt.c
>
> > diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_reg.h
> b/drivers/net/ethernet/marvell/octeontx2/af/rvu_reg.h
> > index 7ca599b973c0..807b1c1a9d85 100644
> > --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_reg.h
> > +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_reg.h
> > @@ -429,12 +429,63 @@
> > #define TIM_AF_LF_RST (0x20)
> >
> > /* CPT */
> > -#define CPT_AF_CONSTANTS0 (0x0000)
> > -#define CPT_PRIV_LFX_CFG (0x41000)
> > -#define CPT_PRIV_LFX_INT_CFG (0x43000)
> > -#define CPT_AF_RVU_LF_CFG_DEBUG (0x45000)
> > -#define CPT_AF_LF_RST (0x44000)
> > -#define CPT_AF_BLK_RST (0x46000)
> > +#define CPT_AF_CONSTANTS0 (0x0000)
> > +#define CPT_AF_CONSTANTS1 (0x1000)
> > +#define CPT_AF_DIAG (0x3000)
> > +#define CPT_AF_ECO (0x4000)
> > +#define CPT_AF_FLTX_INT(a) (0xa000ull | (u64)(a) << 3)
> > +#define CPT_AF_FLTX_INT_W1S(a) (0xb000ull | (u64)(a) << 3)
> > +#define CPT_AF_FLTX_INT_ENA_W1C(a) (0xc000ull | (u64)(a) << 3)
> > +#define CPT_AF_FLTX_INT_ENA_W1S(a) (0xd000ull | (u64)(a) << 3)
> > +#define CPT_AF_PSNX_EXE(a) (0xe000ull | (u64)(a) << 3)
> > +#define CPT_AF_PSNX_EXE_W1S(a) (0xf000ull | (u64)(a) << 3)
> > +#define CPT_AF_PSNX_LF(a) (0x10000ull | (u64)(a) << 3)
> > +#define CPT_AF_PSNX_LF_W1S(a) (0x11000ull | (u64)(a) << 3)
> > +#define CPT_AF_EXEX_CTL2(a) (0x12000ull | (u64)(a) << 3)
> > +#define CPT_AF_EXEX_STS(a) (0x13000ull | (u64)(a) << 3)
> > +#define CPT_AF_EXE_ERR_INFO (0x14000)
> > +#define CPT_AF_EXEX_ACTIVE(a) (0x16000ull | (u64)(a) << 3)
> > +#define CPT_AF_INST_REQ_PC (0x17000)
> > +#define CPT_AF_INST_LATENCY_PC (0x18000)
> > +#define CPT_AF_RD_REQ_PC (0x19000)
> > +#define CPT_AF_RD_LATENCY_PC (0x1a000)
> > +#define CPT_AF_RD_UC_PC (0x1b000)
> > +#define CPT_AF_ACTIVE_CYCLES_PC (0x1c000)
> > +#define CPT_AF_EXE_DBG_CTL (0x1d000)
> > +#define CPT_AF_EXE_DBG_DATA (0x1e000)
> > +#define CPT_AF_EXE_REQ_TIMER (0x1f000)
> > +#define CPT_AF_EXEX_CTL(a) (0x20000ull | (u64)(a) << 3)
> > +#define CPT_AF_EXE_PERF_CTL (0x21000)
> > +#define CPT_AF_EXE_DBG_CNTX(a) (0x22000ull | (u64)(a) << 3)
> > +#define CPT_AF_EXE_PERF_EVENT_CNT (0x23000)
> > +#define CPT_AF_EXE_EPCI_INBX_CNT(a) (0x24000ull | (u64)(a) << 3)
> > +#define CPT_AF_EXE_EPCI_OUTBX_CNT(a) (0x25000ull | (u64)(a) << 3)
> > +#define CPT_AF_EXEX_UCODE_BASE(a) (0x26000ull | (u64)(a) << 3)
> > +#define CPT_AF_LFX_CTL(a) (0x27000ull | (u64)(a) << 3)
> > +#define CPT_AF_LFX_CTL2(a) (0x29000ull | (u64)(a) << 3)
> > +#define CPT_AF_CPTCLK_CNT (0x2a000)
> > +#define CPT_AF_PF_FUNC (0x2b000)
> > +#define CPT_AF_LFX_PTR_CTL(a) (0x2c000ull | (u64)(a) << 3)
> > +#define CPT_AF_GRPX_THR(a) (0x2d000ull | (u64)(a) << 3)
> > +#define CPT_AF_CTL (0x2e000ull)
> > +#define CPT_AF_XEX_THR(a) (0x2f000ull | (u64)(a) << 3)
> > +#define CPT_PRIV_LFX_CFG (0x41000)
> > +#define CPT_PRIV_AF_INT_CFG (0x42000)
> > +#define CPT_PRIV_LFX_INT_CFG (0x43000)
> > +#define CPT_AF_LF_RST (0x44000)
> > +#define CPT_AF_RVU_LF_CFG_DEBUG (0x45000)
> > +#define CPT_AF_BLK_RST (0x46000)
> > +#define CPT_AF_RVU_INT (0x47000)
> > +#define CPT_AF_RVU_INT_W1S (0x47008)
> > +#define CPT_AF_RVU_INT_ENA_W1S (0x47010)
> > +#define CPT_AF_RVU_INT_ENA_W1C (0x47018)
> > +#define CPT_AF_RAS_INT (0x47020)
> > +#define CPT_AF_RAS_INT_W1S (0x47028)
> > +#define CPT_AF_RAS_INT_ENA_W1S (0x47030)
> > +#define CPT_AF_RAS_INT_ENA_W1C (0x47038)
> > +
> > +#define CPT_AF_LF_CTL2_SHIFT 3
> > +#define CPT_AF_LF_SSO_PF_FUNC_SHIFT 32
> >
> > #define NPC_AF_BLK_RST (0x00040)
>
> Most of these are not related to this patch. Used only in the
> follow-on debug interface one?
Added all hardware CPT AF register defines here. I will add this
point to the patch description in next version.
Thanks.
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