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sfc_ef100: register accesses on EF100

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EF100 adds a few new valid addresses for efx_writed_page(), as well as
 a Function Control Window in the BAR whose location is variable.

Signed-off-by: Edward Cree <ecree@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Edward Cree 2020-07-27 12:55:41 +01:00 committed by David S. Miller
parent adf72ee3f7
commit 61060c5dc5
2 changed files with 15 additions and 3 deletions
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16
drivers/net/ethernet/sfc/io.h
View File

@ -75,6 +75,11 @@
#endif
#endif
static inline u32 efx_reg(struct efx_nic *efx, unsigned int reg)
{
return efx->reg_base + reg;
}
#ifdef EFX_USE_QWORD_IO
static inline void _efx_writeq(struct efx_nic *efx, __le64 value,
unsigned int reg)
@ -217,8 +222,11 @@ static inline void efx_reado_table(struct efx_nic *efx, efx_oword_t *value,
efx_reado(efx, value, reg + index * sizeof(efx_oword_t));
}
/* default VI stride (step between per-VI registers) is 8K */
#define EFX_DEFAULT_VI_STRIDE 0x2000
/* default VI stride (step between per-VI registers) is 8K on EF10 and
* 64K on EF100
*/
#define EFX_DEFAULT_VI_STRIDE 0x2000
#define EF100_DEFAULT_VI_STRIDE 0x10000
/* Calculate offset to page-mapped register */
static inline unsigned int efx_paged_reg(struct efx_nic *efx, unsigned int page,
@ -265,7 +273,9 @@ _efx_writed_page(struct efx_nic *efx, const efx_dword_t *value,
#define efx_writed_page(efx, value, reg, page) \
_efx_writed_page(efx, value, \
reg + \
BUILD_BUG_ON_ZERO((reg) != 0x400 && \
BUILD_BUG_ON_ZERO((reg) != 0x180 && \
(reg) != 0x200 && \
(reg) != 0x400 && \
(reg) != 0x420 && \
(reg) != 0x830 && \
(reg) != 0x83c && \

2
drivers/net/ethernet/sfc/net_driver.h
View File

@ -964,6 +964,7 @@ struct efx_async_filter_insertion {
* @xdp_rxq_info_failed: Have any of the rx queues failed to initialise their
* xdp_rxq_info structures?
* @mem_bar: The BAR that is mapped into membase.
* @reg_base: Offset from the start of the bar to the function control window.
* @monitor_work: Hardware monitor workitem
* @biu_lock: BIU (bus interface unit) lock
* @last_irq_cpu: Last CPU to handle a possible test interrupt. This
@ -1142,6 +1143,7 @@ struct efx_nic {
bool xdp_rxq_info_failed;
unsigned int mem_bar;
u32 reg_base;
/* The following fields may be written more often */