From: Satha Rao <[email protected]> With this patch implemented api to dump platform registers for debug purposes.
Signed-off-by: Satha Rao <[email protected]> --- doc/guides/nics/cnxk.rst | 1 + doc/guides/nics/features/cnxk.ini | 1 + doc/guides/nics/features/cnxk_vec.ini | 1 + doc/guides/nics/features/cnxk_vf.ini | 1 + drivers/net/cnxk/cnxk_ethdev.c | 1 + drivers/net/cnxk/cnxk_ethdev.h | 4 ++++ drivers/net/cnxk/cnxk_ethdev_ops.c | 25 +++++++++++++++++++++++++ 7 files changed, 34 insertions(+) diff --git a/doc/guides/nics/cnxk.rst b/doc/guides/nics/cnxk.rst index 87401f0..98bcb51 100644 --- a/doc/guides/nics/cnxk.rst +++ b/doc/guides/nics/cnxk.rst @@ -32,6 +32,7 @@ Features of the CNXK Ethdev PMD are: - MTU update - Scatter-Gather IO support - Vector Poll mode driver +- Debug utilities - Context dump and error interrupt support - Support Rx interrupt Prerequisites diff --git a/doc/guides/nics/features/cnxk.ini b/doc/guides/nics/features/cnxk.ini index 2c83bfb..d1c6f9d 100644 --- a/doc/guides/nics/features/cnxk.ini +++ b/doc/guides/nics/features/cnxk.ini @@ -38,6 +38,7 @@ Stats per queue = Y Extended stats = Y FW version = Y Module EEPROM dump = Y +Registers dump = Y Linux = Y ARMv8 = Y Usage doc = Y diff --git a/doc/guides/nics/features/cnxk_vec.ini b/doc/guides/nics/features/cnxk_vec.ini index c8ad253..5f2478d 100644 --- a/doc/guides/nics/features/cnxk_vec.ini +++ b/doc/guides/nics/features/cnxk_vec.ini @@ -36,6 +36,7 @@ Stats per queue = Y Extended stats = Y FW version = Y Module EEPROM dump = Y +Registers dump = Y Linux = Y ARMv8 = Y Usage doc = Y diff --git a/doc/guides/nics/features/cnxk_vf.ini b/doc/guides/nics/features/cnxk_vf.ini index 4dbdfcb..3cbc369 100644 --- a/doc/guides/nics/features/cnxk_vf.ini +++ b/doc/guides/nics/features/cnxk_vf.ini @@ -33,6 +33,7 @@ Stats per queue = Y Extended stats = Y FW version = Y Module EEPROM dump = Y +Registers dump = Y Linux = Y ARMv8 = Y Usage doc = Y diff --git a/drivers/net/cnxk/cnxk_ethdev.c b/drivers/net/cnxk/cnxk_ethdev.c index f006718..99fb091 100644 --- a/drivers/net/cnxk/cnxk_ethdev.c +++ b/drivers/net/cnxk/cnxk_ethdev.c @@ -1180,6 +1180,7 @@ struct eth_dev_ops cnxk_eth_dev_ops = { .txq_info_get = cnxk_nix_txq_info_get, .tx_done_cleanup = cnxk_nix_tx_done_cleanup, .filter_ctrl = cnxk_nix_filter_ctrl, + .get_reg = cnxk_nix_dev_get_reg, }; static int diff --git a/drivers/net/cnxk/cnxk_ethdev.h b/drivers/net/cnxk/cnxk_ethdev.h index 4b25593..74573f9 100644 --- a/drivers/net/cnxk/cnxk_ethdev.h +++ b/drivers/net/cnxk/cnxk_ethdev.h @@ -313,6 +313,10 @@ void *cnxk_nix_fastpath_lookup_mem_get(void); int cnxk_ethdev_parse_devargs(struct rte_devargs *devargs, struct cnxk_eth_dev *dev); +/* Debug */ +int cnxk_nix_dev_get_reg(struct rte_eth_dev *eth_dev, + struct rte_dev_reg_info *regs); + /* Inlines */ static __rte_always_inline uint64_t cnxk_pktmbuf_detach(struct rte_mbuf *m) diff --git a/drivers/net/cnxk/cnxk_ethdev_ops.c b/drivers/net/cnxk/cnxk_ethdev_ops.c index bf89ede..41c6d37 100644 --- a/drivers/net/cnxk/cnxk_ethdev_ops.c +++ b/drivers/net/cnxk/cnxk_ethdev_ops.c @@ -702,3 +702,28 @@ cnxk_nix_tx_done_cleanup(void *txq, uint32_t free_cnt) return 0; } + +int +cnxk_nix_dev_get_reg(struct rte_eth_dev *eth_dev, struct rte_dev_reg_info *regs) +{ + struct cnxk_eth_dev *dev = cnxk_eth_pmd_priv(eth_dev); + struct roc_nix *nix = &dev->nix; + uint64_t *data = regs->data; + int rc = -ENOTSUP; + + if (data == NULL) { + rc = roc_nix_lf_get_reg_count(nix); + if (rc > 0) { + regs->length = rc; + regs->width = 8; + rc = 0; + } + return rc; + } + + if (!regs->length || + regs->length == (uint32_t)roc_nix_lf_get_reg_count(nix)) + return roc_nix_lf_reg_dump(nix, data); + + return rc; +} -- 2.8.4
