diff options
Diffstat (limited to 'drivers/net/ethernet/pensando/ionic/ionic_dev.h')
| -rw-r--r-- | drivers/net/ethernet/pensando/ionic/ionic_dev.h | 133 |
1 files changed, 88 insertions, 45 deletions
diff --git a/drivers/net/ethernet/pensando/ionic/ionic_dev.h b/drivers/net/ethernet/pensando/ionic/ionic_dev.h index 7838e342c4fd..563c302eb033 100644 --- a/drivers/net/ethernet/pensando/ionic/ionic_dev.h +++ b/drivers/net/ethernet/pensando/ionic/ionic_dev.h @@ -4,17 +4,19 @@ #ifndef _IONIC_DEV_H_ #define _IONIC_DEV_H_ +#include <linux/atomic.h> #include <linux/mutex.h> #include <linux/workqueue.h> #include "ionic_if.h" #include "ionic_regs.h" -#define IONIC_MIN_MTU ETH_MIN_MTU -#define IONIC_MAX_MTU 9194 -#define IONIC_MAX_TXRX_DESC 16384 -#define IONIC_MIN_TXRX_DESC 16 +#define IONIC_MAX_TX_DESC 8192 +#define IONIC_MAX_RX_DESC 16384 +#define IONIC_MIN_TXRX_DESC 64 #define IONIC_DEF_TXRX_DESC 4096 +#define IONIC_RX_FILL_THRESHOLD 16 +#define IONIC_RX_FILL_DIV 8 #define IONIC_LIFS_MAX 1024 #define IONIC_WATCHDOG_SECS 5 #define IONIC_ITR_COAL_USEC_DEFAULT 64 @@ -30,6 +32,7 @@ struct ionic_dev_bar { int res_index; }; +#ifndef __CHECKER__ /* Registers */ static_assert(sizeof(struct ionic_intr) == 32); @@ -56,6 +59,7 @@ static_assert(sizeof(struct ionic_dev_getattr_cmd) == 64); static_assert(sizeof(struct ionic_dev_getattr_comp) == 16); static_assert(sizeof(struct ionic_dev_setattr_cmd) == 64); static_assert(sizeof(struct ionic_dev_setattr_comp) == 16); +static_assert(sizeof(struct ionic_lif_setphc_cmd) == 64); /* Port commands */ static_assert(sizeof(struct ionic_port_identify_cmd) == 64); @@ -83,6 +87,8 @@ static_assert(sizeof(struct ionic_q_init_cmd) == 64); static_assert(sizeof(struct ionic_q_init_comp) == 16); static_assert(sizeof(struct ionic_q_control_cmd) == 64); static_assert(sizeof(ionic_q_control_comp) == 16); +static_assert(sizeof(struct ionic_q_identify_cmd) == 64); +static_assert(sizeof(struct ionic_q_identify_comp) == 16); static_assert(sizeof(struct ionic_rx_mode_set_cmd) == 64); static_assert(sizeof(ionic_rx_mode_set_comp) == 16); @@ -118,6 +124,7 @@ static_assert(sizeof(struct ionic_vf_setattr_cmd) == 64); static_assert(sizeof(struct ionic_vf_setattr_comp) == 16); static_assert(sizeof(struct ionic_vf_getattr_cmd) == 64); static_assert(sizeof(struct ionic_vf_getattr_comp) == 16); +#endif /* __CHECKER__ */ struct ionic_devinfo { u8 asic_type; @@ -129,9 +136,14 @@ struct ionic_devinfo { struct ionic_dev { union ionic_dev_info_regs __iomem *dev_info_regs; union ionic_dev_cmd_regs __iomem *dev_cmd_regs; + struct ionic_hwstamp_regs __iomem *hwstamp_regs; + atomic_long_t last_check_time; unsigned long last_hb_time; - u32 last_hb; + u32 last_fw_hb; + bool fw_hb_ready; + bool fw_status_ready; + u8 fw_generation; u64 __iomem *db_pages; dma_addr_t phy_db_pages; @@ -147,10 +159,11 @@ struct ionic_dev { }; struct ionic_cq_info { - void *cq_desc; - struct ionic_cq_info *next; - unsigned int index; - bool last; + union { + void *cq_desc; + struct ionic_admin_comp *admincq; + struct ionic_notifyq_event *notifyq; + }; }; struct ionic_queue; @@ -161,76 +174,101 @@ typedef void (*ionic_desc_cb)(struct ionic_queue *q, struct ionic_desc_info *desc_info, struct ionic_cq_info *cq_info, void *cb_arg); -struct ionic_page_info { +#define IONIC_PAGE_SIZE PAGE_SIZE +#define IONIC_PAGE_SPLIT_SZ (PAGE_SIZE / 2) +#define IONIC_PAGE_GFP_MASK (GFP_ATOMIC | __GFP_NOWARN |\ + __GFP_COMP | __GFP_MEMALLOC) + +struct ionic_buf_info { struct page *page; dma_addr_t dma_addr; + u32 page_offset; + u32 len; }; +#define IONIC_MAX_FRAGS (1 + IONIC_TX_MAX_SG_ELEMS_V1) + struct ionic_desc_info { - void *desc; - void *sg_desc; - struct ionic_desc_info *next; - unsigned int index; - unsigned int left; - unsigned int npages; - struct ionic_page_info pages[IONIC_RX_MAX_SG_ELEMS + 1]; + union { + void *desc; + struct ionic_txq_desc *txq_desc; + struct ionic_rxq_desc *rxq_desc; + struct ionic_admin_cmd *adminq_desc; + }; + union { + void *sg_desc; + struct ionic_txq_sg_desc *txq_sg_desc; + struct ionic_rxq_sg_desc *rxq_sgl_desc; + }; + unsigned int bytes; + unsigned int nbufs; + struct ionic_buf_info bufs[IONIC_MAX_FRAGS]; ionic_desc_cb cb; void *cb_arg; }; -#define QUEUE_NAME_MAX_SZ 32 +#define IONIC_QUEUE_NAME_MAX_SZ 32 struct ionic_queue { - u64 dbell_count; - u64 drop; - u64 stop; - u64 wake; + struct device *dev; struct ionic_lif *lif; struct ionic_desc_info *info; - struct ionic_desc_info *tail; - struct ionic_desc_info *head; - struct ionic_dev *idev; + u64 dbval; + u16 head_idx; + u16 tail_idx; unsigned int index; + unsigned int num_descs; + unsigned int max_sg_elems; + u64 features; + u64 drop; + struct ionic_dev *idev; unsigned int type; unsigned int hw_index; unsigned int hw_type; - u64 dbval; - void *base; - void *sg_base; + union { + void *base; + struct ionic_txq_desc *txq; + struct ionic_rxq_desc *rxq; + struct ionic_admin_cmd *adminq; + }; + union { + void *sg_base; + struct ionic_txq_sg_desc *txq_sgl; + struct ionic_rxq_sg_desc *rxq_sgl; + }; dma_addr_t base_pa; dma_addr_t sg_base_pa; - unsigned int num_descs; unsigned int desc_size; unsigned int sg_desc_size; unsigned int pid; - char name[QUEUE_NAME_MAX_SZ]; -}; + char name[IONIC_QUEUE_NAME_MAX_SZ]; +} ____cacheline_aligned_in_smp; -#define INTR_INDEX_NOT_ASSIGNED -1 -#define INTR_NAME_MAX_SZ 32 +#define IONIC_INTR_INDEX_NOT_ASSIGNED -1 +#define IONIC_INTR_NAME_MAX_SZ 32 struct ionic_intr_info { - char name[INTR_NAME_MAX_SZ]; + char name[IONIC_INTR_NAME_MAX_SZ]; unsigned int index; unsigned int vector; u64 rearm_count; unsigned int cpu; cpumask_t affinity_mask; + u32 dim_coal_hw; }; struct ionic_cq { - void *base; - dma_addr_t base_pa; struct ionic_lif *lif; struct ionic_cq_info *info; - struct ionic_cq_info *tail; struct ionic_queue *bound_q; struct ionic_intr_info *bound_intr; + u16 tail_idx; bool done_color; unsigned int num_descs; - u64 compl_count; unsigned int desc_size; -}; + void *base; + dma_addr_t base_pa; +} ____cacheline_aligned_in_smp; struct ionic; @@ -244,12 +282,12 @@ static inline void ionic_intr_init(struct ionic_dev *idev, static inline unsigned int ionic_q_space_avail(struct ionic_queue *q) { - unsigned int avail = q->tail->index; + unsigned int avail = q->tail_idx; - if (q->head->index >= avail) - avail += q->head->left - 1; + if (q->head_idx >= avail) + avail += q->num_descs - q->head_idx - 1; else - avail -= q->head->index + 1; + avail -= q->head_idx + 1; return avail; } @@ -261,7 +299,6 @@ static inline bool ionic_q_has_space(struct ionic_queue *q, unsigned int want) void ionic_init_devinfo(struct ionic *ionic); int ionic_dev_setup(struct ionic *ionic); -void ionic_dev_teardown(struct ionic *ionic); void ionic_dev_cmd_go(struct ionic_dev *idev, union ionic_dev_cmd *cmd); u8 ionic_dev_cmd_status(struct ionic_dev *idev); @@ -281,7 +318,12 @@ void ionic_dev_cmd_port_autoneg(struct ionic_dev *idev, u8 an_enable); void ionic_dev_cmd_port_fec(struct ionic_dev *idev, u8 fec_type); void ionic_dev_cmd_port_pause(struct ionic_dev *idev, u8 pause_type); -int ionic_set_vf_config(struct ionic *ionic, int vf, u8 attr, u8 *data); +int ionic_set_vf_config(struct ionic *ionic, int vf, + struct ionic_vf_setattr_cmd *vfc); +int ionic_dev_cmd_vf_getattr(struct ionic *ionic, int vf, u8 attr, + struct ionic_vf_getattr_comp *comp); +void ionic_dev_cmd_queue_identify(struct ionic_dev *idev, + u16 lif_type, u8 qtype, u8 qver); void ionic_dev_cmd_lif_identify(struct ionic_dev *idev, u8 type, u8 ver); void ionic_dev_cmd_lif_init(struct ionic_dev *idev, u16 lif_index, dma_addr_t addr); @@ -314,5 +356,6 @@ void ionic_q_rewind(struct ionic_queue *q, struct ionic_desc_info *start); void ionic_q_service(struct ionic_queue *q, struct ionic_cq_info *cq_info, unsigned int stop_index); int ionic_heartbeat_check(struct ionic *ionic); +bool ionic_is_fw_running(struct ionic_dev *idev); #endif /* _IONIC_DEV_H_ */ |