M: Linu Cherian <lcherian@marvell.com>
M: Geetha sowjanya <gakula@marvell.com>
M: Jerin Jacob <jerinj@marvell.com>
+M: hariprasad <hkelam@marvell.com>
L: netdev@vger.kernel.org
S: Supported
F: Documentation/networking/device_drivers/ethernet/marvell/octeontx2.rst
octeontx2_mbox-y := mbox.o rvu_trace.o
octeontx2_af-y := cgx.o rvu.o rvu_cgx.o rvu_npa.o rvu_nix.o \
rvu_reg.o rvu_npc.o rvu_debugfs.o ptp.o rvu_npc_fs.o \
- rvu_cpt.o rvu_devlink.o
+ rvu_cpt.o rvu_devlink.o rpm.o
#include <linux/of_net.h>
#include "cgx.h"
+#include "rvu.h"
+#include "lmac_common.h"
-#define DRV_NAME "octeontx2-cgx"
-#define DRV_STRING "Marvell OcteonTX2 CGX/MAC Driver"
-
-/**
- * struct lmac
- * @wq_cmd_cmplt: waitq to keep the process blocked until cmd completion
- * @cmd_lock: Lock to serialize the command interface
- * @resp: command response
- * @link_info: link related information
- * @event_cb: callback for linkchange events
- * @event_cb_lock: lock for serializing callback with unregister
- * @cmd_pend: flag set before new command is started
- * flag cleared after command response is received
- * @cgx: parent cgx port
- * @lmac_id: lmac port id
- * @name: lmac port name
- */
-struct lmac {
- wait_queue_head_t wq_cmd_cmplt;
- struct mutex cmd_lock;
- u64 resp;
- struct cgx_link_user_info link_info;
- struct cgx_event_cb event_cb;
- spinlock_t event_cb_lock;
- bool cmd_pend;
- struct cgx *cgx;
- u8 lmac_id;
- char *name;
-};
-
-struct cgx {
- void __iomem *reg_base;
- struct pci_dev *pdev;
- u8 cgx_id;
- u8 lmac_count;
- struct lmac *lmac_idmap[MAX_LMAC_PER_CGX];
- struct work_struct cgx_cmd_work;
- struct workqueue_struct *cgx_cmd_workq;
- struct list_head cgx_list;
-};
+#define DRV_NAME "Marvell-CGX/RPM"
+#define DRV_STRING "Marvell CGX/RPM Driver"
static LIST_HEAD(cgx_list);
/* Supported devices */
static const struct pci_device_id cgx_id_table[] = {
{ PCI_DEVICE(PCI_VENDOR_ID_CAVIUM, PCI_DEVID_OCTEONTX2_CGX) },
+ { PCI_DEVICE(PCI_VENDOR_ID_CAVIUM, PCI_DEVID_CN10K_RPM) },
{ 0, } /* end of table */
};
MODULE_DEVICE_TABLE(pci, cgx_id_table);
-static void cgx_write(struct cgx *cgx, u64 lmac, u64 offset, u64 val)
+static bool is_dev_rpm(void *cgxd)
{
- writeq(val, cgx->reg_base + (lmac << 18) + offset);
+ struct cgx *cgx = cgxd;
+
+ return (cgx->pdev->device == PCI_DEVID_CN10K_RPM);
+}
+
+bool is_lmac_valid(struct cgx *cgx, int lmac_id)
+{
+ return cgx && test_bit(lmac_id, &cgx->lmac_bmap);
}
-static u64 cgx_read(struct cgx *cgx, u64 lmac, u64 offset)
+struct mac_ops *get_mac_ops(void *cgxd)
{
- return readq(cgx->reg_base + (lmac << 18) + offset);
+ if (!cgxd)
+ return cgxd;
+
+ return ((struct cgx *)cgxd)->mac_ops;
}
-static inline struct lmac *lmac_pdata(u8 lmac_id, struct cgx *cgx)
+void cgx_write(struct cgx *cgx, u64 lmac, u64 offset, u64 val)
+{
+ writeq(val, cgx->reg_base + (lmac << cgx->mac_ops->lmac_offset) +
+ offset);
+}
+
+u64 cgx_read(struct cgx *cgx, u64 lmac, u64 offset)
+{
+ return readq(cgx->reg_base + (lmac << cgx->mac_ops->lmac_offset) +
+ offset);
+}
+
+struct lmac *lmac_pdata(u8 lmac_id, struct cgx *cgx)
{
if (!cgx || lmac_id >= MAX_LMAC_PER_CGX)
return NULL;
int cgx_lmac_addr_set(u8 cgx_id, u8 lmac_id, u8 *mac_addr)
{
struct cgx *cgx_dev = cgx_get_pdata(cgx_id);
+ struct mac_ops *mac_ops;
u64 cfg;
+ mac_ops = cgx_dev->mac_ops;
/* copy 6bytes from macaddr */
/* memcpy(&cfg, mac_addr, 6); */
u64 cgx_lmac_addr_get(u8 cgx_id, u8 lmac_id)
{
struct cgx *cgx_dev = cgx_get_pdata(cgx_id);
+ struct mac_ops *mac_ops;
u64 cfg;
+ mac_ops = cgx_dev->mac_ops;
+
cfg = cgx_read(cgx_dev, 0, CGXX_CMRX_RX_DMAC_CAM0 + lmac_id * 0x8);
return cfg & CGX_RX_DMAC_ADR_MASK;
}
{
struct cgx *cgx = cgxd;
- if (!cgx || lmac_id >= cgx->lmac_count)
+ if (!is_lmac_valid(cgx, lmac_id))
return -ENODEV;
cgx_write(cgx, lmac_id, CGXX_CMRX_RX_ID_MAP, (pkind & 0x3F));
u8 lmac_type;
u64 cfg;
- if (!cgx || lmac_id >= cgx->lmac_count)
+ if (!is_lmac_valid(cgx, lmac_id))
return -ENODEV;
lmac_type = cgx_get_lmac_type(cgx, lmac_id);
void cgx_lmac_promisc_config(int cgx_id, int lmac_id, bool enable)
{
struct cgx *cgx = cgx_get_pdata(cgx_id);
+ struct mac_ops *mac_ops;
u64 cfg = 0;
if (!cgx)
return;
+ mac_ops = cgx->mac_ops;
if (enable) {
/* Enable promiscuous mode on LMAC */
cfg = cgx_read(cgx, lmac_id, CGXX_CMRX_RX_DMAC_CTL0);
struct cgx *cgx = cgxd;
u64 cfg;
+ if (is_dev_rpm(cgx))
+ return;
+
if (!cgx)
return;
int cgx_get_rx_stats(void *cgxd, int lmac_id, int idx, u64 *rx_stat)
{
+ struct mac_ops *mac_ops;
struct cgx *cgx = cgxd;
- if (!cgx || lmac_id >= cgx->lmac_count)
+ mac_ops = cgx->mac_ops;
+ if (!is_lmac_valid(cgx, lmac_id))
return -ENODEV;
*rx_stat = cgx_read(cgx, lmac_id, CGXX_CMRX_RX_STAT0 + (idx * 8));
return 0;
int cgx_get_tx_stats(void *cgxd, int lmac_id, int idx, u64 *tx_stat)
{
+ struct mac_ops *mac_ops;
struct cgx *cgx = cgxd;
- if (!cgx || lmac_id >= cgx->lmac_count)
+ mac_ops = cgx->mac_ops;
+ if (!is_lmac_valid(cgx, lmac_id))
return -ENODEV;
*tx_stat = cgx_read(cgx, lmac_id, CGXX_CMRX_TX_STAT0 + (idx * 8));
return 0;
}
+u64 cgx_features_get(void *cgxd)
+{
+ return ((struct cgx *)cgxd)->hw_features;
+}
+
static int cgx_set_fec_stats_count(struct cgx_link_user_info *linfo)
{
if (!linfo->fec)
struct cgx *cgx = cgxd;
u64 cfg;
- if (!cgx || lmac_id >= cgx->lmac_count)
+ if (!is_lmac_valid(cgx, lmac_id))
return -ENODEV;
cfg = cgx_read(cgx, lmac_id, CGXX_CMRX_CFG);
struct cgx *cgx = cgxd;
u64 cfg, last;
- if (!cgx || lmac_id >= cgx->lmac_count)
+ if (!is_lmac_valid(cgx, lmac_id))
return -ENODEV;
cfg = cgx_read(cgx, lmac_id, CGXX_CMRX_CFG);
struct cgx *cgx = cgxd;
u64 cfg;
- if (!cgx || lmac_id >= cgx->lmac_count)
+ if (is_dev_rpm(cgx))
+ return 0;
+
+ if (!is_lmac_valid(cgx, lmac_id))
return -ENODEV;
cfg = cgx_read(cgx, lmac_id, CGXX_SMUX_RX_FRM_CTL);
struct cgx *cgx = cgxd;
u64 cfg;
- if (!cgx || lmac_id >= cgx->lmac_count)
+ if (is_dev_rpm(cgx))
+ return 0;
+
+ if (!is_lmac_valid(cgx, lmac_id))
return -ENODEV;
cfg = cgx_read(cgx, lmac_id, CGXX_SMUX_RX_FRM_CTL);
{
u64 cfg;
- if (!cgx || lmac_id >= cgx->lmac_count)
+ if (is_dev_rpm(cgx))
+ return;
+
+ if (!is_lmac_valid(cgx, lmac_id))
return;
if (enable) {
/* Enable receive pause frames */
if (!cgx)
return;
+ if (is_dev_rpm(cgx))
+ return;
+
if (enable) {
/* Enable inbound PTP timestamping */
cfg = cgx_read(cgx, lmac_id, CGXX_GMP_GMI_RXX_FRM_CTL);
}
/* CGX Firmware interface low level support */
-static int cgx_fwi_cmd_send(u64 req, u64 *resp, struct lmac *lmac)
+int cgx_fwi_cmd_send(u64 req, u64 *resp, struct lmac *lmac)
{
struct cgx *cgx = lmac->cgx;
struct device *dev;
return err;
}
-static inline int cgx_fwi_cmd_generic(u64 req, u64 *resp,
- struct cgx *cgx, int lmac_id)
+int cgx_fwi_cmd_generic(u64 req, u64 *resp, struct cgx *cgx, int lmac_id)
{
struct lmac *lmac;
int err;
static irqreturn_t cgx_fwi_event_handler(int irq, void *data)
{
+ u64 event, offset, clear_bit;
struct lmac *lmac = data;
struct cgx *cgx;
- u64 event;
cgx = lmac->cgx;
+ /* Clear SW_INT for RPM and CMR_INT for CGX */
+ offset = cgx->mac_ops->int_register;
+ clear_bit = cgx->mac_ops->int_ena_bit;
+
event = cgx_read(cgx, lmac->lmac_id, CGX_EVENT_REG);
if (!FIELD_GET(EVTREG_ACK, event))
* Ack the interrupt register as well.
*/
cgx_write(lmac->cgx, lmac->lmac_id, CGX_EVENT_REG, 0);
- cgx_write(lmac->cgx, lmac->lmac_id, CGXX_CMRX_INT, FW_CGX_INT);
+ cgx_write(lmac->cgx, lmac->lmac_id, offset, clear_bit);
return IRQ_HANDLED;
}
{
u64 req = 0, resp;
struct cgx *cgx;
+ int first_lmac;
int err;
cgx = list_first_entry_or_null(&cgx_list, struct cgx, cgx_list);
if (!cgx)
return -ENXIO;
+ first_lmac = find_first_bit(&cgx->lmac_bmap, MAX_LMAC_PER_CGX);
req = FIELD_SET(CMDREG_ID, CGX_CMD_GET_FWD_BASE, req);
- err = cgx_fwi_cmd_generic(req, &resp, cgx, 0);
+ err = cgx_fwi_cmd_generic(req, &resp, cgx, first_lmac);
if (!err)
*base = FIELD_GET(RESP_FWD_BASE, resp);
static inline int cgx_fwi_read_version(u64 *resp, struct cgx *cgx)
{
+ int first_lmac = find_first_bit(&cgx->lmac_bmap, MAX_LMAC_PER_CGX);
u64 req = 0;
req = FIELD_SET(CMDREG_ID, CGX_CMD_GET_FW_VER, req);
- return cgx_fwi_cmd_generic(req, resp, cgx, 0);
+ return cgx_fwi_cmd_generic(req, resp, cgx, first_lmac);
}
static int cgx_lmac_verify_fwi_version(struct cgx *cgx)
struct device *dev = &cgx->pdev->dev;
int i, err;
- /* Do Link up for all the lmacs */
- for (i = 0; i < cgx->lmac_count; i++) {
+ /* Do Link up for all the enabled lmacs */
+ for_each_set_bit(i, &cgx->lmac_bmap, MAX_LMAC_PER_CGX) {
err = cgx_fwi_link_change(cgx, i, true);
if (err)
dev_info(dev, "cgx port %d:%d Link up command failed\n",
return 0;
}
+static int cgx_configure_interrupt(struct cgx *cgx, struct lmac *lmac,
+ int cnt, bool req_free)
+{
+ struct mac_ops *mac_ops = cgx->mac_ops;
+ u64 offset, ena_bit;
+ unsigned int irq;
+ int err;
+
+ irq = pci_irq_vector(cgx->pdev, mac_ops->lmac_fwi +
+ cnt * mac_ops->irq_offset);
+ offset = mac_ops->int_set_reg;
+ ena_bit = mac_ops->int_ena_bit;
+
+ if (req_free) {
+ free_irq(irq, lmac);
+ return 0;
+ }
+
+ err = request_irq(irq, cgx_fwi_event_handler, 0, lmac->name, lmac);
+ if (err)
+ return err;
+
+ /* Enable interrupt */
+ cgx_write(cgx, lmac->lmac_id, offset, ena_bit);
+ return 0;
+}
+
+int cgx_get_nr_lmacs(void *cgxd)
+{
+ struct cgx *cgx = cgxd;
+
+ return cgx_read(cgx, 0, CGXX_CMRX_RX_LMACS) & 0x7ULL;
+}
+
+u8 cgx_get_lmacid(void *cgxd, u8 lmac_index)
+{
+ struct cgx *cgx = cgxd;
+
+ return cgx->lmac_idmap[lmac_index]->lmac_id;
+}
+
+unsigned long cgx_get_lmac_bmap(void *cgxd)
+{
+ struct cgx *cgx = cgxd;
+
+ return cgx->lmac_bmap;
+}
+
static int cgx_lmac_init(struct cgx *cgx)
{
struct lmac *lmac;
+ u64 lmac_list;
int i, err;
- cgx->lmac_count = cgx_read(cgx, 0, CGXX_CMRX_RX_LMACS) & 0x7;
+ cgx->lmac_count = cgx->mac_ops->get_nr_lmacs(cgx);
+ /* lmac_list specifies which lmacs are enabled
+ * when bit n is set to 1, LMAC[n] is enabled
+ */
+ if (cgx->mac_ops->non_contiguous_serdes_lane)
+ lmac_list = cgx_read(cgx, 0, CGXX_CMRX_RX_LMACS) & 0xFULL;
+
if (cgx->lmac_count > MAX_LMAC_PER_CGX)
cgx->lmac_count = MAX_LMAC_PER_CGX;
goto err_lmac_free;
}
sprintf(lmac->name, "cgx_fwi_%d_%d", cgx->cgx_id, i);
- lmac->lmac_id = i;
+ if (cgx->mac_ops->non_contiguous_serdes_lane) {
+ lmac->lmac_id = __ffs64(lmac_list);
+ lmac_list &= ~BIT_ULL(lmac->lmac_id);
+ } else {
+ lmac->lmac_id = i;
+ }
+
lmac->cgx = cgx;
init_waitqueue_head(&lmac->wq_cmd_cmplt);
mutex_init(&lmac->cmd_lock);
spin_lock_init(&lmac->event_cb_lock);
- err = request_irq(pci_irq_vector(cgx->pdev,
- CGX_LMAC_FWI + i * 9),
- cgx_fwi_event_handler, 0, lmac->name, lmac);
+ err = cgx_configure_interrupt(cgx, lmac, lmac->lmac_id, false);
if (err)
goto err_irq;
- /* Enable interrupt */
- cgx_write(cgx, lmac->lmac_id, CGXX_CMRX_INT_ENA_W1S,
- FW_CGX_INT);
-
/* Add reference */
- cgx->lmac_idmap[i] = lmac;
- cgx_lmac_pause_frm_config(cgx, i, true);
+ cgx->lmac_idmap[lmac->lmac_id] = lmac;
+ cgx_lmac_pause_frm_config(cgx, lmac->lmac_id, true);
+ set_bit(lmac->lmac_id, &cgx->lmac_bmap);
}
return cgx_lmac_verify_fwi_version(cgx);
}
/* Free all lmac related resources */
- for (i = 0; i < cgx->lmac_count; i++) {
- cgx_lmac_pause_frm_config(cgx, i, false);
+ for_each_set_bit(i, &cgx->lmac_bmap, MAX_LMAC_PER_CGX) {
lmac = cgx->lmac_idmap[i];
if (!lmac)
continue;
- free_irq(pci_irq_vector(cgx->pdev, CGX_LMAC_FWI + i * 9), lmac);
+ cgx_lmac_pause_frm_config(cgx, lmac->lmac_id, false);
+ cgx_configure_interrupt(cgx, lmac, lmac->lmac_id, true);
kfree(lmac->name);
kfree(lmac);
}
return 0;
}
+static void cgx_populate_features(struct cgx *cgx)
+{
+ if (is_dev_rpm(cgx))
+ cgx->hw_features = RVU_MAC_RPM;
+ else
+ cgx->hw_features = (RVU_LMAC_FEAT_FC | RVU_LMAC_FEAT_PTP);
+}
+
+static struct mac_ops cgx_mac_ops = {
+ .name = "cgx",
+ .csr_offset = 0,
+ .lmac_offset = 18,
+ .int_register = CGXX_CMRX_INT,
+ .int_set_reg = CGXX_CMRX_INT_ENA_W1S,
+ .irq_offset = 9,
+ .int_ena_bit = FW_CGX_INT,
+ .lmac_fwi = CGX_LMAC_FWI,
+ .non_contiguous_serdes_lane = false,
+ .get_nr_lmacs = cgx_get_nr_lmacs,
+};
+
static int cgx_probe(struct pci_dev *pdev, const struct pci_device_id *id)
{
struct device *dev = &pdev->dev;
pci_set_drvdata(pdev, cgx);
+ /* Use mac_ops to get MAC specific features */
+ if (pdev->device == PCI_DEVID_CN10K_RPM)
+ cgx->mac_ops = rpm_get_mac_ops();
+ else
+ cgx->mac_ops = &cgx_mac_ops;
+
err = pci_enable_device(pdev);
if (err) {
dev_err(dev, "Failed to enable PCI device\n");
goto err_release_regions;
}
- nvec = CGX_NVEC;
+ nvec = pci_msix_vec_count(cgx->pdev);
err = pci_alloc_irq_vectors(pdev, nvec, nvec, PCI_IRQ_MSIX);
if (err < 0 || err != nvec) {
dev_err(dev, "Request for %d msix vectors failed, err %d\n",
cgx_link_usertable_init();
+ cgx_populate_features(cgx);
+
err = cgx_lmac_init(cgx);
if (err)
goto err_release_lmac;
{
struct cgx *cgx = pci_get_drvdata(pdev);
- cgx_lmac_exit(cgx);
- list_del(&cgx->cgx_list);
+ if (cgx) {
+ cgx_lmac_exit(cgx);
+ list_del(&cgx->cgx_list);
+ }
pci_free_irq_vectors(pdev);
pci_release_regions(pdev);
pci_disable_device(pdev);
#include "mbox.h"
#include "cgx_fw_if.h"
+#include "rpm.h"
/* PCI device IDs */
#define PCI_DEVID_OCTEONTX2_CGX 0xA059
#define FW_CGX_INT BIT_ULL(1)
#define CGXX_CMRX_INT_ENA_W1S 0x058
#define CGXX_CMRX_RX_ID_MAP 0x060
-#define CGXX_CMRX_RX_STAT0 0x070
+#define CGXX_CMRX_RX_STAT0 (0x070 + mac_ops->csr_offset)
#define CGXX_CMRX_RX_LMACS 0x128
-#define CGXX_CMRX_RX_DMAC_CTL0 0x1F8
+#define CGXX_CMRX_RX_DMAC_CTL0 (0x1F8 + mac_ops->csr_offset)
#define CGX_DMAC_CTL0_CAM_ENABLE BIT_ULL(3)
#define CGX_DMAC_CAM_ACCEPT BIT_ULL(3)
#define CGX_DMAC_MCAST_MODE BIT_ULL(1)
#define CGX_DMAC_BCAST_MODE BIT_ULL(0)
-#define CGXX_CMRX_RX_DMAC_CAM0 0x200
+#define CGXX_CMRX_RX_DMAC_CAM0 (0x200 + mac_ops->csr_offset)
#define CGX_DMAC_CAM_ADDR_ENABLE BIT_ULL(48)
#define CGXX_CMRX_RX_DMAC_CAM1 0x400
#define CGX_RX_DMAC_ADR_MASK GENMASK_ULL(47, 0)
-#define CGXX_CMRX_TX_STAT0 0x700
+#define CGXX_CMRX_TX_STAT0 (0x700 + mac_ops->csr_offset)
#define CGXX_SCRATCH0_REG 0x1050
#define CGXX_SCRATCH1_REG 0x1058
#define CGX_CONST 0x2000
#define CGX_CMD_TIMEOUT 2200 /* msecs */
#define DEFAULT_PAUSE_TIME 0x7FF
-#define CGX_NVEC 37
#define CGX_LMAC_FWI 0
enum cgx_nix_stat_type {
int cgx_get_phy_fec_stats(void *cgxd, int lmac_id);
int cgx_set_link_mode(void *cgxd, struct cgx_set_link_mode_args args,
int cgx_id, int lmac_id);
-
+u64 cgx_features_get(void *cgxd);
+struct mac_ops *get_mac_ops(void *cgxd);
+int cgx_get_nr_lmacs(void *cgxd);
+u8 cgx_get_lmacid(void *cgxd, u8 lmac_index);
+unsigned long cgx_get_lmac_bmap(void *cgxd);
#endif /* CGX_H */
--- /dev/null
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Marvell OcteonTx2 RPM driver
+ *
+ * Copyright (C) 2020 Marvell.
+ */
+
+#ifndef LMAC_COMMON_H
+#define LMAC_COMMON_H
+
+#include "rvu.h"
+#include "cgx.h"
+/**
+ * struct lmac
+ * @wq_cmd_cmplt: waitq to keep the process blocked until cmd completion
+ * @cmd_lock: Lock to serialize the command interface
+ * @resp: command response
+ * @link_info: link related information
+ * @event_cb: callback for linkchange events
+ * @event_cb_lock: lock for serializing callback with unregister
+ * @cmd_pend: flag set before new command is started
+ * flag cleared after command response is received
+ * @cgx: parent cgx port
+ * @lmac_id: lmac port id
+ * @name: lmac port name
+ */
+struct lmac {
+ wait_queue_head_t wq_cmd_cmplt;
+ /* Lock to serialize the command interface */
+ struct mutex cmd_lock;
+ u64 resp;
+ struct cgx_link_user_info link_info;
+ struct cgx_event_cb event_cb;
+ /* lock for serializing callback with unregister */
+ spinlock_t event_cb_lock;
+ bool cmd_pend;
+ struct cgx *cgx;
+ u8 lmac_id;
+ char *name;
+};
+
+/* CGX & RPM has different feature set
+ * update the structure fields with different one
+ */
+struct mac_ops {
+ char *name;
+ /* Features like RXSTAT, TXSTAT, DMAC FILTER csrs differs by fixed
+ * bar offset for example
+ * CGX DMAC_CTL0 0x1f8
+ * RPM DMAC_CTL0 0x4ff8
+ */
+ u64 csr_offset;
+ /* For ATF to send events to kernel, there is no dedicated interrupt
+ * defined hence CGX uses OVERFLOW bit in CMR_INT. RPM block supports
+ * SW_INT so that ATF triggers this interrupt after processing of
+ * requested command
+ */
+ u64 int_register;
+ u64 int_set_reg;
+ /* lmac offset is different is RPM */
+ u8 lmac_offset;
+ u8 irq_offset;
+ u8 int_ena_bit;
+ u8 lmac_fwi;
+ bool non_contiguous_serdes_lane;
+ /* Incase of RPM get number of lmacs from RPMX_CMR_RX_LMACS[LMAC_EXIST]
+ * number of setbits in lmac_exist tells number of lmacs
+ */
+ int (*get_nr_lmacs)(void *cgx);
+};
+
+struct cgx {
+ void __iomem *reg_base;
+ struct pci_dev *pdev;
+ u8 cgx_id;
+ u8 lmac_count;
+ struct lmac *lmac_idmap[MAX_LMAC_PER_CGX];
+ struct work_struct cgx_cmd_work;
+ struct workqueue_struct *cgx_cmd_workq;
+ struct list_head cgx_list;
+ u64 hw_features;
+ struct mac_ops *mac_ops;
+ unsigned long lmac_bmap; /* bitmap of enabled lmacs */
+};
+
+typedef struct cgx rpm_t;
+
+/* Function Declarations */
+void cgx_write(struct cgx *cgx, u64 lmac, u64 offset, u64 val);
+u64 cgx_read(struct cgx *cgx, u64 lmac, u64 offset);
+struct lmac *lmac_pdata(u8 lmac_id, struct cgx *cgx);
+int cgx_fwi_cmd_send(u64 req, u64 *resp, struct lmac *lmac);
+int cgx_fwi_cmd_generic(u64 req, u64 *resp, struct cgx *cgx, int lmac_id);
+bool is_lmac_valid(struct cgx *cgx, int lmac_id);
+struct mac_ops *rpm_get_mac_ops(void);
+
+#endif /* LMAC_COMMON_H */
M(CGX_FW_DATA_GET, 0x213, cgx_get_aux_link_info, msg_req, cgx_fw_data) \
M(CGX_SET_LINK_MODE, 0x214, cgx_set_link_mode, cgx_set_link_mode_req,\
cgx_set_link_mode_rsp) \
+M(CGX_FEATURES_GET, 0x215, cgx_features_get, msg_req, \
+ cgx_features_info_msg) \
/* NPA mbox IDs (range 0x400 - 0x5FF) */ \
/* NPA mbox IDs (range 0x400 - 0x5FF) */ \
M(NPA_LF_ALLOC, 0x400, npa_lf_alloc, \
struct cgx_stats_rsp {
struct mbox_msghdr hdr;
-#define CGX_RX_STATS_COUNT 13
+#define CGX_RX_STATS_COUNT 9
#define CGX_TX_STATS_COUNT 18
u64 rx_stats[CGX_RX_STATS_COUNT];
u64 tx_stats[CGX_TX_STATS_COUNT];
int status;
};
+#define RVU_LMAC_FEAT_FC BIT_ULL(0) /* pause frames */
+#define RVU_LMAC_FEAT_PTP BIT_ULL(1) /* precison time protocol */
+#define RVU_MAC_VERSION BIT_ULL(2)
+#define RVU_MAC_CGX 0
+#define RVU_MAC_RPM 1
+
+struct cgx_features_info_msg {
+ struct mbox_msghdr hdr;
+ u64 lmac_features;
+};
+
/* NPA mbox message formats */
/* NPA mailbox error codes
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+/* Marvell OcteonTx2 RPM driver
+ *
+ * Copyright (C) 2020 Marvell.
+ *
+ */
+
+#include "cgx.h"
+#include "lmac_common.h"
+
+static struct mac_ops rpm_mac_ops = {
+ .name = "rpm",
+ .csr_offset = 0x4e00,
+ .lmac_offset = 20,
+ .int_register = RPMX_CMRX_SW_INT,
+ .int_set_reg = RPMX_CMRX_SW_INT_ENA_W1S,
+ .irq_offset = 1,
+ .int_ena_bit = BIT_ULL(0),
+ .lmac_fwi = RPM_LMAC_FWI,
+ .non_contiguous_serdes_lane = true,
+ .get_nr_lmacs = rpm_get_nr_lmacs,
+};
+
+struct mac_ops *rpm_get_mac_ops(void)
+{
+ return &rpm_mac_ops;
+}
+
+static u64 rpm_read(rpm_t *rpm, u64 lmac, u64 offset)
+{
+ return cgx_read(rpm, lmac, offset);
+}
+
+int rpm_get_nr_lmacs(void *rpmd)
+{
+ rpm_t *rpm = rpmd;
+
+ return hweight8(rpm_read(rpm, 0, CGXX_CMRX_RX_LMACS) & 0xFULL);
+}
--- /dev/null
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Marvell OcteonTx2 RPM driver
+ *
+ * Copyright (C) 2020 Marvell.
+ *
+ */
+
+#ifndef RPM_H
+#define RPM_H
+
+/* PCI device IDs */
+#define PCI_DEVID_CN10K_RPM 0xA060
+
+/* Registers */
+#define RPMX_CMRX_SW_INT 0x180
+#define RPMX_CMRX_SW_INT_W1S 0x188
+#define RPMX_CMRX_SW_INT_ENA_W1S 0x198
+
+#define RPM_LMAC_FWI 0xa
+
+/* Function Declarations */
+int rpm_get_nr_lmacs(void *cgxd);
+#endif /* RPM_H */
void npc_read_mcam_entry(struct rvu *rvu, struct npc_mcam *mcam,
int blkaddr, u16 src, struct mcam_entry *entry,
u8 *intf, u8 *ena);
+bool is_mac_feature_supported(struct rvu *rvu, int pf, int feature);
+
/* CPT APIs */
int rvu_cpt_lf_teardown(struct rvu *rvu, u16 pcifunc, int lf, int slot);
MBOX_UP_CGX_MESSAGES
#undef M
+bool is_mac_feature_supported(struct rvu *rvu, int pf, int feature)
+{
+ u8 cgx_id, lmac_id;
+ void *cgxd;
+
+ if (!is_pf_cgxmapped(rvu, pf))
+ return 0;
+
+ rvu_get_cgx_lmac_id(rvu->pf2cgxlmac_map[pf], &cgx_id, &lmac_id);
+ cgxd = rvu_cgx_pdata(cgx_id, rvu);
+
+ return (cgx_features_get(cgxd) & feature);
+}
+
/* Returns bitmap of mapped PFs */
static u16 cgxlmac_to_pfmap(struct rvu *rvu, u8 cgx_id, u8 lmac_id)
{
{
struct npc_pkind *pkind = &rvu->hw->pkind;
int cgx_cnt_max = rvu->cgx_cnt_max;
- int cgx, lmac_cnt, lmac;
int pf = PF_CGXMAP_BASE;
+ unsigned long lmac_bmap;
int size, free_pkind;
+ int cgx, lmac, iter;
if (!cgx_cnt_max)
return 0;
for (cgx = 0; cgx < cgx_cnt_max; cgx++) {
if (!rvu_cgx_pdata(cgx, rvu))
continue;
- lmac_cnt = cgx_get_lmac_cnt(rvu_cgx_pdata(cgx, rvu));
- for (lmac = 0; lmac < lmac_cnt; lmac++, pf++) {
+ lmac_bmap = cgx_get_lmac_bmap(rvu_cgx_pdata(cgx, rvu));
+ for_each_set_bit(iter, &lmac_bmap, MAX_LMAC_PER_CGX) {
+ lmac = cgx_get_lmacid(rvu_cgx_pdata(cgx, rvu),
+ iter);
rvu->pf2cgxlmac_map[pf] = cgxlmac_id_to_bmap(cgx, lmac);
rvu->cgxlmac2pf_map[CGX_OFFSET(cgx) + lmac] = 1 << pf;
free_pkind = rvu_alloc_rsrc(&pkind->rsrc);
pkind->pfchan_map[free_pkind] = ((pf) & 0x3F) << 16;
rvu_map_cgx_nix_block(rvu, pf, cgx, lmac);
rvu->cgx_mapped_pfs++;
+ pf++;
}
}
return 0;
&qentry->link_event.link_uinfo);
qentry->link_event.cgx_id = cgx_id;
qentry->link_event.lmac_id = lmac_id;
- if (err)
+ if (err) {
+ kfree(qentry);
goto skip_add;
+ }
list_add_tail(&qentry->evq_node, &rvu->cgx_evq_head);
skip_add:
spin_unlock_irqrestore(&rvu->cgx_evq_lock, flags);
static int cgx_lmac_event_handler_init(struct rvu *rvu)
{
+ unsigned long lmac_bmap;
struct cgx_event_cb cb;
int cgx, lmac, err;
void *cgxd;
cgxd = rvu_cgx_pdata(cgx, rvu);
if (!cgxd)
continue;
- for (lmac = 0; lmac < cgx_get_lmac_cnt(cgxd); lmac++) {
+ lmac_bmap = cgx_get_lmac_bmap(cgxd);
+ for_each_set_bit(lmac, &lmac_bmap, MAX_LMAC_PER_CGX) {
err = cgx_lmac_evh_register(&cb, cgxd, lmac);
if (err)
dev_err(rvu->dev,
int rvu_cgx_exit(struct rvu *rvu)
{
+ unsigned long lmac_bmap;
int cgx, lmac;
void *cgxd;
cgxd = rvu_cgx_pdata(cgx, rvu);
if (!cgxd)
continue;
- for (lmac = 0; lmac < cgx_get_lmac_cnt(cgxd); lmac++)
+ lmac_bmap = cgx_get_lmac_bmap(cgxd);
+ for_each_set_bit(lmac, &lmac_bmap, MAX_LMAC_PER_CGX)
cgx_lmac_evh_unregister(cgxd, lmac);
}
u8 cgx_id, lmac_id;
void *cgxd;
+ if (!is_mac_feature_supported(rvu, pf, RVU_LMAC_FEAT_PTP))
+ return 0;
+
/* This msg is expected only from PFs that are mapped to CGX LMACs,
* if received from other PF/VF simply ACK, nothing to do.
*/
return err;
}
+int rvu_mbox_handler_cgx_features_get(struct rvu *rvu,
+ struct msg_req *req,
+ struct cgx_features_info_msg *rsp)
+{
+ int pf = rvu_get_pf(req->hdr.pcifunc);
+ u8 cgx_idx, lmac;
+ void *cgxd;
+
+ if (!is_pf_cgxmapped(rvu, pf))
+ return 0;
+
+ rvu_get_cgx_lmac_id(rvu->pf2cgxlmac_map[pf], &cgx_idx, &lmac);
+ cgxd = rvu_cgx_pdata(cgx_idx, rvu);
+ rsp->lmac_features = cgx_features_get(cgxd);
+
+ return 0;
+}
+
static int rvu_cgx_config_intlbk(struct rvu *rvu, u16 pcifunc, bool en)
{
int pf = rvu_get_pf(pcifunc);
int pf = rvu_get_pf(req->hdr.pcifunc);
u8 cgx_id, lmac_id;
+ if (!is_mac_feature_supported(rvu, pf, RVU_LMAC_FEAT_FC))
+ return 0;
+
/* This msg is expected only from PF/VFs that are mapped to CGX LMACs,
* if received from other PF/VF simply ACK, nothing to do.
*/
#include "rvu_reg.h"
#include "rvu.h"
#include "cgx.h"
+#include "lmac_common.h"
#include "npc.h"
#define DEBUGFS_DIR_NAME "octeontx2"
{
struct rvu *rvu = filp->private;
struct pci_dev *pdev = NULL;
+ struct mac_ops *mac_ops;
+ int rvu_def_cgx_id = 0;
char cgx[10], lmac[10];
struct rvu_pfvf *pfvf;
int pf, domain, blkid;
u16 pcifunc;
domain = 2;
- seq_puts(filp, "PCI dev\t\tRVU PF Func\tNIX block\tCGX\tLMAC\n");
+ mac_ops = get_mac_ops(rvu_cgx_pdata(rvu_def_cgx_id, rvu));
+ seq_printf(filp, "PCI dev\t\tRVU PF Func\tNIX block\t%s\tLMAC\n",
+ mac_ops->name);
for (pf = 0; pf < rvu->hw->total_pfs; pf++) {
if (!is_pf_cgxmapped(rvu, pf))
continue;
rvu_get_cgx_lmac_id(rvu->pf2cgxlmac_map[pf], &cgx_id,
&lmac_id);
- sprintf(cgx, "CGX%d", cgx_id);
+ sprintf(cgx, "%s%d", mac_ops->name, cgx_id);
sprintf(lmac, "LMAC%d", lmac_id);
seq_printf(filp, "%s\t0x%x\t\tNIX%d\t\t%s\t%s\n",
dev_name(&pdev->dev), pcifunc, blkid, cgx, lmac);
static int cgx_print_stats(struct seq_file *s, int lmac_id)
{
struct cgx_link_user_info linfo;
+ struct mac_ops *mac_ops;
void *cgxd = s->private;
u64 ucast, mcast, bcast;
int stat = 0, err = 0;
if (!rvu)
return -ENODEV;
+ mac_ops = get_mac_ops(cgxd);
+
+ if (!mac_ops)
+ return 0;
+
/* Link status */
seq_puts(s, "\n=======Link Status======\n\n");
err = cgx_get_link_info(cgxd, lmac_id, &linfo);
linfo.link_up ? "UP" : "DOWN", linfo.speed);
/* Rx stats */
- seq_puts(s, "\n=======NIX RX_STATS(CGX port level)======\n\n");
+ seq_printf(s, "\n=======NIX RX_STATS(%s port level)======\n\n",
+ mac_ops->name);
ucast = PRINT_CGX_CUML_NIXRX_STATUS(RX_UCAST, "rx_ucast_frames");
if (err)
return err;
return err;
/* Tx stats */
- seq_puts(s, "\n=======NIX TX_STATS(CGX port level)======\n\n");
+ seq_printf(s, "\n=======NIX TX_STATS(%s port level)======\n\n",
+ mac_ops->name);
ucast = PRINT_CGX_CUML_NIXTX_STATUS(TX_UCAST, "tx_ucast_frames");
if (err)
return err;
return err;
/* Rx stats */
- seq_puts(s, "\n=======CGX RX_STATS======\n\n");
+ seq_printf(s, "\n=======%s RX_STATS======\n\n", mac_ops->name);
while (stat < CGX_RX_STATS_COUNT) {
err = cgx_get_rx_stats(cgxd, lmac_id, stat, &rx_stat);
if (err)
/* Tx stats */
stat = 0;
- seq_puts(s, "\n=======CGX TX_STATS======\n\n");
+ seq_printf(s, "\n=======%s TX_STATS======\n\n", mac_ops->name);
while (stat < CGX_TX_STATS_COUNT) {
err = cgx_get_tx_stats(cgxd, lmac_id, stat, &tx_stat);
if (err)
static void rvu_dbg_cgx_init(struct rvu *rvu)
{
+ struct mac_ops *mac_ops;
+ unsigned long lmac_bmap;
+ int rvu_def_cgx_id = 0;
int i, lmac_id;
char dname[20];
void *cgx;
if (!cgx_get_cgxcnt_max())
return;
- rvu->rvu_dbg.cgx_root = debugfs_create_dir("cgx", rvu->rvu_dbg.root);
+ mac_ops = get_mac_ops(rvu_cgx_pdata(rvu_def_cgx_id, rvu));
+ if (!mac_ops)
+ return;
+
+ rvu->rvu_dbg.cgx_root = debugfs_create_dir(mac_ops->name,
+ rvu->rvu_dbg.root);
for (i = 0; i < cgx_get_cgxcnt_max(); i++) {
cgx = rvu_cgx_pdata(i, rvu);
if (!cgx)
continue;
+ lmac_bmap = cgx_get_lmac_bmap(cgx);
/* cgx debugfs dir */
- sprintf(dname, "cgx%d", i);
+ sprintf(dname, "%s%d", mac_ops->name, i);
rvu->rvu_dbg.cgx = debugfs_create_dir(dname,
rvu->rvu_dbg.cgx_root);
- for (lmac_id = 0; lmac_id < cgx_get_lmac_cnt(cgx); lmac_id++) {
+
+ for_each_set_bit(lmac_id, &lmac_bmap, MAX_LMAC_PER_CGX) {
/* lmac debugfs dir */
sprintf(dname, "lmac%d", lmac_id);
rvu->rvu_dbg.lmac =
debugfs_create_file("rsrc_alloc", 0444, rvu->rvu_dbg.root, rvu,
&rvu_dbg_rsrc_status_fops);
- debugfs_create_file("rvu_pf_cgx_map", 0444, rvu->rvu_dbg.root, rvu,
- &rvu_dbg_rvu_pf_cgx_map_fops);
+ if (!cgx_get_cgxcnt_max())
+ goto create;
+
+ if (is_rvu_otx2(rvu))
+ debugfs_create_file("rvu_pf_cgx_map", 0444, rvu->rvu_dbg.root,
+ rvu, &rvu_dbg_rvu_pf_cgx_map_fops);
+ else
+ debugfs_create_file("rvu_pf_cgx_map", 0444, rvu->rvu_dbg.root,
+ rvu, &rvu_dbg_rvu_pf_cgx_map_fops);
+
+create:
rvu_dbg_npa_init(rvu);
rvu_dbg_nix_init(rvu, BLKADDR_NIX0);
{
struct rvu_hwinfo *hw = rvu->hw;
struct rvu_block *block;
- int blkaddr;
+ int blkaddr, pf;
int nixlf;
u64 cfg;
+ pf = rvu_get_pf(pcifunc);
+ if (!is_mac_feature_supported(rvu, pf, RVU_LMAC_FEAT_PTP))
+ return 0;
+
blkaddr = rvu_get_blkaddr(rvu, BLKTYPE_NIX, pcifunc);
if (blkaddr < 0)
return NIX_AF_ERR_AF_LF_INVALID;
projects / kernel.git / commitdiff