octeon_ep_vf: Add driver framework and device initialization

Add driver framework and device setup and initialization for Octeon
PCI Endpoint NIC VF.

Add implementation to load module, initialize, register network device,
cleanup and unload module.

Signed-off-by: Shinas Rasheed <srasheed@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 162 insertions, 0 deletions

diff --git a/drivers/net/ethernet/marvell/octeon_ep_vf/octep_vf_regs_cnxk.h b/drivers/net/ethernet/marvell/octeon_ep_vf/octep_vf_regs_cnxk.h
new file mode 100644
index 000000000000..2e156745ef64
--- /dev/null
+++ b/drivers/net/ethernet/marvell/octeon_ep_vf/octep_vf_regs_cnxk.h
@@ -0,0 +1,162 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Marvell Octeon EP (EndPoint) VF Ethernet Driver
+ *
+ * Copyright (C) 2020 Marvell.
+ *
+ */
+#ifndef _OCTEP_VF_REGS_CNXK_H_
+#define _OCTEP_VF_REGS_CNXK_H_
+
+/*############################ RST #########################*/
+#define     CNXK_VF_CONFIG_XPANSION_BAR         0x38
+#define     CNXK_VF_CONFIG_PCIE_CAP             0x70
+#define     CNXK_VF_CONFIG_PCIE_DEVCAP          0x74
+#define     CNXK_VF_CONFIG_PCIE_DEVCTL          0x78
+#define     CNXK_VF_CONFIG_PCIE_LINKCAP         0x7C
+#define     CNXK_VF_CONFIG_PCIE_LINKCTL         0x80
+#define     CNXK_VF_CONFIG_PCIE_SLOTCAP         0x84
+#define     CNXK_VF_CONFIG_PCIE_SLOTCTL         0x88
+
+#define     CNXK_VF_RING_OFFSET                    (0x1ULL << 17)
+
+/*###################### RING IN REGISTERS #########################*/
+#define    CNXK_VF_SDP_R_IN_CONTROL_START          0x10000
+#define    CNXK_VF_SDP_R_IN_ENABLE_START           0x10010
+#define    CNXK_VF_SDP_R_IN_INSTR_BADDR_START      0x10020
+#define    CNXK_VF_SDP_R_IN_INSTR_RSIZE_START      0x10030
+#define    CNXK_VF_SDP_R_IN_INSTR_DBELL_START      0x10040
+#define    CNXK_VF_SDP_R_IN_CNTS_START             0x10050
+#define    CNXK_VF_SDP_R_IN_INT_LEVELS_START       0x10060
+#define    CNXK_VF_SDP_R_IN_PKT_CNT_START          0x10080
+#define    CNXK_VF_SDP_R_IN_BYTE_CNT_START         0x10090
+#define    CNXK_VF_SDP_R_ERR_TYPE_START            0x10400
+
+#define CNXK_VF_SDP_R_ERR_TYPE(ring)                 \
+	(CNXK_VF_SDP_R_ERR_TYPE_START + ((ring) * CNXK_VF_RING_OFFSET))
+
+#define    CNXK_VF_SDP_R_IN_CONTROL(ring)          \
+	(CNXK_VF_SDP_R_IN_CONTROL_START + ((ring) * CNXK_VF_RING_OFFSET))
+
+#define    CNXK_VF_SDP_R_IN_ENABLE(ring)          \
+	(CNXK_VF_SDP_R_IN_ENABLE_START + ((ring) * CNXK_VF_RING_OFFSET))
+
+#define    CNXK_VF_SDP_R_IN_INSTR_BADDR(ring)          \
+	(CNXK_VF_SDP_R_IN_INSTR_BADDR_START + ((ring) * CNXK_VF_RING_OFFSET))
+
+#define    CNXK_VF_SDP_R_IN_INSTR_RSIZE(ring)          \
+	(CNXK_VF_SDP_R_IN_INSTR_RSIZE_START + ((ring) * CNXK_VF_RING_OFFSET))
+
+#define    CNXK_VF_SDP_R_IN_INSTR_DBELL(ring)          \
+	(CNXK_VF_SDP_R_IN_INSTR_DBELL_START + ((ring) * CNXK_VF_RING_OFFSET))
+
+#define    CNXK_VF_SDP_R_IN_CNTS(ring)          \
+	(CNXK_VF_SDP_R_IN_CNTS_START + ((ring) * CNXK_VF_RING_OFFSET))
+
+#define    CNXK_VF_SDP_R_IN_INT_LEVELS(ring)          \
+	(CNXK_VF_SDP_R_IN_INT_LEVELS_START + ((ring) * CNXK_VF_RING_OFFSET))
+
+#define    CNXK_VF_SDP_R_IN_PKT_CNT(ring)          \
+	(CNXK_VF_SDP_R_IN_PKT_CNT_START + ((ring) * CNXK_VF_RING_OFFSET))
+
+#define    CNXK_VF_SDP_R_IN_BYTE_CNT(ring)          \
+	(CNXK_VF_SDP_R_IN_BYTE_CNT_START + ((ring) * CNXK_VF_RING_OFFSET))
+
+/*------------------ R_IN Masks ----------------*/
+
+/** Rings per Virtual Function **/
+#define    CNXK_VF_R_IN_CTL_RPVF_MASK    (0xF)
+#define	   CNXK_VF_R_IN_CTL_RPVF_POS     (48)
+
+/* Number of instructions to be read in one MAC read request.
+ * setting to Max value(4)
+ **/
+#define    CNXK_VF_R_IN_CTL_IDLE                  (0x1ULL << 28)
+#define    CNXK_VF_R_IN_CTL_RDSIZE                (0x3ULL << 25)
+#define    CNXK_VF_R_IN_CTL_IS_64B                (0x1ULL << 24)
+#define    CNXK_VF_R_IN_CTL_D_NSR                 (0x1ULL << 8)
+#define    CNXK_VF_R_IN_CTL_D_ESR                 (0x1ULL << 6)
+#define    CNXK_VF_R_IN_CTL_D_ROR                 (0x1ULL << 5)
+#define    CNXK_VF_R_IN_CTL_NSR                   (0x1ULL << 3)
+#define    CNXK_VF_R_IN_CTL_ESR                   (0x1ULL << 1)
+#define    CNXK_VF_R_IN_CTL_ROR                   (0x1ULL << 0)
+
+#define    CNXK_VF_R_IN_CTL_MASK     (CNXK_VF_R_IN_CTL_RDSIZE | CNXK_VF_R_IN_CTL_IS_64B)
+
+/*###################### RING OUT REGISTERS #########################*/
+#define    CNXK_VF_SDP_R_OUT_CNTS_START            0x10100
+#define    CNXK_VF_SDP_R_OUT_INT_LEVELS_START      0x10110
+#define    CNXK_VF_SDP_R_OUT_SLIST_BADDR_START     0x10120
+#define    CNXK_VF_SDP_R_OUT_SLIST_RSIZE_START     0x10130
+#define    CNXK_VF_SDP_R_OUT_SLIST_DBELL_START     0x10140
+#define    CNXK_VF_SDP_R_OUT_CONTROL_START         0x10150
+#define    CNXK_VF_SDP_R_OUT_WMARK_START           0x10160
+#define    CNXK_VF_SDP_R_OUT_ENABLE_START          0x10170
+#define    CNXK_VF_SDP_R_OUT_PKT_CNT_START         0x10180
+#define    CNXK_VF_SDP_R_OUT_BYTE_CNT_START        0x10190
+
+#define    CNXK_VF_SDP_R_OUT_CONTROL(ring)          \
+	(CNXK_VF_SDP_R_OUT_CONTROL_START + ((ring) * CNXK_VF_RING_OFFSET))
+
+#define    CNXK_VF_SDP_R_OUT_ENABLE(ring)          \
+	(CNXK_VF_SDP_R_OUT_ENABLE_START + ((ring) * CNXK_VF_RING_OFFSET))
+
+#define    CNXK_VF_SDP_R_OUT_SLIST_BADDR(ring)          \
+	(CNXK_VF_SDP_R_OUT_SLIST_BADDR_START + ((ring) * CNXK_VF_RING_OFFSET))
+
+#define    CNXK_VF_SDP_R_OUT_SLIST_RSIZE(ring)          \
+	(CNXK_VF_SDP_R_OUT_SLIST_RSIZE_START + ((ring) * CNXK_VF_RING_OFFSET))
+
+#define    CNXK_VF_SDP_R_OUT_SLIST_DBELL(ring)          \
+	(CNXK_VF_SDP_R_OUT_SLIST_DBELL_START + ((ring) * CNXK_VF_RING_OFFSET))
+
+#define    CNXK_VF_SDP_R_OUT_WMARK(ring)          \
+	(CNXK_VF_SDP_R_OUT_WMARK_START + ((ring) * CNXK_VF_RING_OFFSET))
+
+#define    CNXK_VF_SDP_R_OUT_CNTS(ring)          \
+	(CNXK_VF_SDP_R_OUT_CNTS_START + ((ring) * CNXK_VF_RING_OFFSET))
+
+#define    CNXK_VF_SDP_R_OUT_INT_LEVELS(ring)          \
+	(CNXK_VF_SDP_R_OUT_INT_LEVELS_START + ((ring) * CNXK_VF_RING_OFFSET))
+
+#define    CNXK_VF_SDP_R_OUT_PKT_CNT(ring)          \
+	(CNXK_VF_SDP_R_OUT_PKT_CNT_START + ((ring) * CNXK_VF_RING_OFFSET))
+
+#define    CNXK_VF_SDP_R_OUT_BYTE_CNT(ring)          \
+	(CNXK_VF_SDP_R_OUT_BYTE_CNT_START + ((ring) * CNXK_VF_RING_OFFSET))
+
+/*------------------ R_OUT Masks ----------------*/
+#define    CNXK_VF_R_OUT_INT_LEVELS_BMODE            BIT_ULL(63)
+#define    CNXK_VF_R_OUT_INT_LEVELS_TIMET            (32)
+
+#define    CNXK_VF_R_OUT_CTL_IDLE                    BIT_ULL(40)
+#define    CNXK_VF_R_OUT_CTL_ES_I                    BIT_ULL(34)
+#define    CNXK_VF_R_OUT_CTL_NSR_I                   BIT_ULL(33)
+#define    CNXK_VF_R_OUT_CTL_ROR_I                   BIT_ULL(32)
+#define    CNXK_VF_R_OUT_CTL_ES_D                    BIT_ULL(30)
+#define    CNXK_VF_R_OUT_CTL_NSR_D                   BIT_ULL(29)
+#define    CNXK_VF_R_OUT_CTL_ROR_D                   BIT_ULL(28)
+#define    CNXK_VF_R_OUT_CTL_ES_P                    BIT_ULL(26)
+#define    CNXK_VF_R_OUT_CTL_NSR_P                   BIT_ULL(25)
+#define    CNXK_VF_R_OUT_CTL_ROR_P                   BIT_ULL(24)
+#define    CNXK_VF_R_OUT_CTL_IMODE                   BIT_ULL(23)
+
+/* ##################### Mail Box Registers ########################## */
+/* SDP PF to VF Mailbox Data Register */
+#define    CNXK_VF_SDP_R_MBOX_PF_VF_DATA_START    0x10210
+/* SDP Packet PF to VF Mailbox Interrupt Register */
+#define    CNXK_VF_SDP_R_MBOX_PF_VF_INT_START     0x10220
+/* SDP VF to PF Mailbox Data Register */
+#define    CNXK_VF_SDP_R_MBOX_VF_PF_DATA_START    0x10230
+
+#define    CNXK_VF_SDP_R_MBOX_PF_VF_INT_ENAB         BIT_ULL(1)
+#define    CNXK_VF_SDP_R_MBOX_PF_VF_INT_STATUS       BIT_ULL(0)
+
+#define    CNXK_VF_SDP_R_MBOX_PF_VF_DATA(ring)          \
+	(CNXK_VF_SDP_R_MBOX_PF_VF_DATA_START + ((ring) * CNXK_VF_RING_OFFSET))
+
+#define    CNXK_VF_SDP_R_MBOX_PF_VF_INT(ring)          \
+	(CNXK_VF_SDP_R_MBOX_PF_VF_INT_START + ((ring) * CNXK_VF_RING_OFFSET))
+
+#define    CNXK_VF_SDP_R_MBOX_VF_PF_DATA(ring)          \
+	(CNXK_VF_SDP_R_MBOX_VF_PF_DATA_START + ((ring) * CNXK_VF_RING_OFFSET))
+#endif /* _OCTEP_VF_REGS_CNXK_H_ */