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// SPDX-License-Identifier: GPL-2.0
/* Marvell RVU Admin Function driver
*
* Copyright (C) 2021 Marvell.
*
*/
#include <linux/pci.h>
#include "rvu.h"
/* SDP PF device id */
#define PCI_DEVID_OTX2_SDP_PF 0xA0F6
/* Maximum SDP blocks in a chip */
#define MAX_SDP 2
/* SDP PF number */
static int sdp_pf_num[MAX_SDP] = {-1, -1};
bool is_sdp_pfvf(u16 pcifunc)
{
u16 pf = rvu_get_pf(pcifunc);
u32 found = 0, i = 0;
while (i < MAX_SDP) {
if (pf == sdp_pf_num[i])
found = 1;
i++;
}
if (!found)
return false;
return true;
}
bool is_sdp_pf(u16 pcifunc)
{
return (is_sdp_pfvf(pcifunc) &&
!(pcifunc & RVU_PFVF_FUNC_MASK));
}
bool is_sdp_vf(u16 pcifunc)
{
return (is_sdp_pfvf(pcifunc) &&
!!(pcifunc & RVU_PFVF_FUNC_MASK));
}
int rvu_sdp_init(struct rvu *rvu)
{
struct pci_dev *pdev = NULL;
struct rvu_pfvf *pfvf;
u32 i = 0;
while ((i < MAX_SDP) && (pdev = pci_get_device(PCI_VENDOR_ID_CAVIUM,
PCI_DEVID_OTX2_SDP_PF,
pdev)) != NULL) {
/* The RVU PF number is one less than bus number */
sdp_pf_num[i] = pdev->bus->number - 1;
pfvf = &rvu->pf[sdp_pf_num[i]];
pfvf->sdp_info = devm_kzalloc(rvu->dev,
sizeof(struct sdp_node_info),
GFP_KERNEL);
if (!pfvf->sdp_info) {
pci_dev_put(pdev);
return -ENOMEM;
}
dev_info(rvu->dev, "SDP PF number:%d\n", sdp_pf_num[i]);
i++;
}
pci_dev_put(pdev);
return 0;
}
int
rvu_mbox_handler_set_sdp_chan_info(struct rvu *rvu,
struct sdp_chan_info_msg *req,
struct msg_rsp *rsp)
{
struct rvu_pfvf *pfvf = rvu_get_pfvf(rvu, req->hdr.pcifunc);
memcpy(pfvf->sdp_info, &req->info, sizeof(struct sdp_node_info));
dev_info(rvu->dev, "AF: SDP%d max_vfs %d num_pf_rings %d pf_srn %d\n",
req->info.node_id, req->info.max_vfs, req->info.num_pf_rings,
req->info.pf_srn);
return 0;
}
int
rvu_mbox_handler_get_sdp_chan_info(struct rvu *rvu, struct msg_req *req,
struct sdp_get_chan_info_msg *rsp)
{
struct rvu_hwinfo *hw = rvu->hw;
int blkaddr;
if (!hw->cap.programmable_chans) {
rsp->chan_base = NIX_CHAN_SDP_CH_START;
rsp->num_chan = NIX_CHAN_SDP_NUM_CHANS;
} else {
blkaddr = rvu_get_blkaddr(rvu, BLKTYPE_NIX, 0);
rsp->chan_base = hw->sdp_chan_base;
rsp->num_chan = rvu_read64(rvu, blkaddr, NIX_AF_CONST1) & 0xFFFUL;
}
return 0;
}
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