[dpdk-dev] [PATCH v2 08/10] net/bnxt: add FW status location structure
Ajit Khaparde
ajit.khaparde at broadcom.com
Tue Apr 21 23:21:43 CEST 2020
On Tue, Apr 21, 2020 at 2:05 PM Ferruh Yigit <ferruh.yigit at intel.com> wrote:
> On 4/21/2020 9:07 PM, Ajit Khaparde wrote:
> > From: Kalesh AP <kalesh-anakkur.purayil at broadcom.com>
> >
> > Code using this change will be added in next patch.
>
> It can be better to merge this patch to next one, where it uses this new
> struct.
>
> >
> > Signed-off-by: Kalesh AP <kalesh-anakkur.purayil at broadcom.com>
> > Reviewed-by: Ajit Khaparde <ajit.khaparde at broadcom.com>
> > ---
> > drivers/net/bnxt/hsi_struct_def_dpdk.h | 49 ++++++++++++++++++++++++++
> > 1 file changed, 49 insertions(+)
> >
> > diff --git a/drivers/net/bnxt/hsi_struct_def_dpdk.h
> b/drivers/net/bnxt/hsi_struct_def_dpdk.h
> > index da22b6249..fe18686f8 100644
> > --- a/drivers/net/bnxt/hsi_struct_def_dpdk.h
> > +++ b/drivers/net/bnxt/hsi_struct_def_dpdk.h
> > @@ -38622,4 +38622,53 @@ struct hwrm_cfa_counter_qstats_output {
> > uint8_t valid;
> > } __rte_packed;
> >
> > +/*
> > + * This structure is fixed at the beginning of the ChiMP SRAM (GRC
> > + * offset: 0x31001F0). Host software is expected to read from this
> > + * location for a defined signature. If it exists, the software can
> > + * assume the presence of this structure and the validity of the
> > + * FW_STATUS location in the next field.
> > + */
> > +/* hcomm_status (size:64b/8B) */
> > +struct hcomm_status {
> > + uint32_t sig_ver;
> > + /*
> > + * This field defines the version of the structure. The latest
> > + * version value is 1.
> > + */
> > + #define HCOMM_STATUS_VER_MASK UINT32_C(0xff)
> > + #define HCOMM_STATUS_VER_SFT 0
> > + #define HCOMM_STATUS_VER_LATEST UINT32_C(0x1)
> > + #define HCOMM_STATUS_VER_LAST HCOMM_STATUS_VER_LATEST
> > + /*
> > + * This field is to store the signature value to indicate the
> > + * presence of the structure.
> > + */
> > + #define HCOMM_STATUS_SIGNATURE_MASK UINT32_C(0xffffff00)
> > + #define HCOMM_STATUS_SIGNATURE_SFT 8
> > + #define HCOMM_STATUS_SIGNATURE_VAL (UINT32_C(0x484353) << 8)
> > + #define HCOMM_STATUS_SIGNATURE_LAST HCOMM_STATUS_SIGNATURE_VAL
> > + uint32_t fw_status_loc;
> > + #define HCOMM_STATUS_TRUE_ADDR_SPACE_MASK UINT32_C(0x3)
> > + #define HCOMM_STATUS_TRUE_ADDR_SPACE_SFT 0
> > + /* PCIE configuration space */
> > + #define HCOMM_STATUS_FW_STATUS_LOC_ADDR_SPACE_PCIE_CFG
> UINT32_C(0x0)
> > + /* GRC space */
> > + #define HCOMM_STATUS_FW_STATUS_LOC_ADDR_SPACE_GRC
> UINT32_C(0x1)
> > + /* BAR0 space */
> > + #define HCOMM_STATUS_FW_STATUS_LOC_ADDR_SPACE_BAR0
> UINT32_C(0x2)
> > + /* BAR1 space */
> > + #define HCOMM_STATUS_FW_STATUS_LOC_ADDR_SPACE_BAR1
> UINT32_C(0x3)
> > + #define HCOMM_STATUS_FW_STATUS_LOC_ADDR_SPACE_LAST \
> > + HCOMM_STATUS_FW_STATUS_LOC_ADDR_SPACE_BAR1
> > + /*
> > + * This offset where the fw_status register is located. The value
> > + * is generally 4-byte aligned.
> > + */
> > + #define HCOMM_STATUS_TRUE_OFFSET_MASK
> UINT32_C(0xfffffffc)
> > + #define HCOMM_STATUS_TRUE_OFFSET_SFT 2
> > +} __attribute__((packed));
>
> Can you please prefer '__rte_packed' instead of the
> '__attribute__((packed))'?
> If you recognized I have updated all the occurrences in next-net already
> while
> rebasing on top of main repo. But please send new patches according it.
>
Sure, can do that. Thanks
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