diff options
| author | Raghu Vatsavayi <rvatsavayi@caviumnetworks.com> | 2016-08-31 21:03:28 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-09-01 00:12:48 +0300 |
| commit | 5b07aee11227fa4ccbf9b084e4fb44f655b135c0 (patch) | |
| tree | 3c309c096fbee51200450eb702d525eb74e80c98 /drivers/net/ethernet/cavium/liquidio/octeon_device.h | |
| parent | 1b7c55c4538bac0eb850359c955f452a8b56c192 (diff) | |
| download | linux-5b07aee11227fa4ccbf9b084e4fb44f655b135c0.tar.xz | |
liquidio: MSIX support for CN23XX
This patch adds support msix interrupt for cn23xx device.
Signed-off-by: Derek Chickles <derek.chickles@caviumnetworks.com>
Signed-off-by: Satanand Burla <satananda.burla@caviumnetworks.com>
Signed-off-by: Felix Manlunas <felix.manlunas@caviumnetworks.com>
Signed-off-by: Raghu Vatsavayi <raghu.vatsavayi@caviumnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/cavium/liquidio/octeon_device.h')
| -rw-r--r-- | drivers/net/ethernet/cavium/liquidio/octeon_device.h | 33 |
1 files changed, 30 insertions, 3 deletions
diff --git a/drivers/net/ethernet/cavium/liquidio/octeon_device.h b/drivers/net/ethernet/cavium/liquidio/octeon_device.h index 2439cc5192b1..99fc1d899208 100644 --- a/drivers/net/ethernet/cavium/liquidio/octeon_device.h +++ b/drivers/net/ethernet/cavium/liquidio/octeon_device.h @@ -52,6 +52,9 @@ enum octeon_pci_swap_mode { OCTEON_PCI_32BIT_LW_SWAP = 3 }; +#define OCTEON_OUTPUT_INTR (2) +#define OCTEON_ALL_INTR 0xff + /*--------------- PCI BAR1 index registers -------------*/ /* BAR1 Mask */ @@ -204,6 +207,7 @@ struct octeon_fn_list { void (*setup_oq_regs)(struct octeon_device *, u32); irqreturn_t (*process_interrupt_regs)(void *); + u64 (*msix_interrupt_handler)(void *); int (*soft_reset)(struct octeon_device *); int (*setup_device_regs)(struct octeon_device *); void (*bar1_idx_setup)(struct octeon_device *, u64, u32, int); @@ -214,8 +218,8 @@ struct octeon_fn_list { void (*enable_oq_pkt_time_intr)(struct octeon_device *, u32); void (*disable_oq_pkt_time_intr)(struct octeon_device *, u32); - void (*enable_interrupt)(void *); - void (*disable_interrupt)(void *); + void (*enable_interrupt)(struct octeon_device *, u8); + void (*disable_interrupt)(struct octeon_device *, u8); int (*enable_io_queues)(struct octeon_device *); void (*disable_io_queues)(struct octeon_device *); @@ -276,6 +280,10 @@ struct octdev_props { struct net_device *netdev; }; +#define LIO_FLAG_MSIX_ENABLED 0x1 +#define MSIX_PO_INT 0x1 +#define MSIX_PI_INT 0x2 + struct octeon_pf_vf_hs_word { #ifdef __LITTLE_ENDIAN_BITFIELD /** PKIND value assigned for the DPI interface */ @@ -323,6 +331,15 @@ struct octeon_sriov_info { }; +struct octeon_ioq_vector { + struct octeon_device *oct_dev; + int iq_index; + int droq_index; + int vector; + struct cpumask affinity_mask; + u32 ioq_num; +}; + /** The Octeon device. * Each Octeon device has this structure to represent all its * components. @@ -357,7 +374,6 @@ struct octeon_device { u16 flags; #define LIO_FLAG_MSI_ENABLED (u32)(1 << 1) -#define LIO_FLAG_MSIX_ENABLED (u32)(1 << 2) /** The state of this device */ atomic_t status; @@ -447,10 +463,19 @@ struct octeon_device { void *priv; + int num_msix_irqs; + + void *msix_entries; + struct octeon_sriov_info sriov_info; struct octeon_pf_vf_hs_word pfvf_hsword; + int msix_on; + + /** IOq information of it's corresponding MSI-X interrupt. */ + struct octeon_ioq_vector *ioq_vector; + int rx_pause; int tx_pause; @@ -718,6 +743,8 @@ void *oct_get_config_info(struct octeon_device *oct, u16 card_type); */ struct octeon_config *octeon_get_conf(struct octeon_device *oct); +void octeon_free_ioq_vector(struct octeon_device *oct); +int octeon_allocate_ioq_vector(struct octeon_device *oct); void lio_enable_irq(struct octeon_droq *droq, struct octeon_instr_queue *iq); /* LiquidIO driver pivate flags */ |