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Date: Sun, 13 Nov 2022 19:29:05 +0000
From: Long Li <longli@...rosoft.com>
To: Ajay Sharma <sharmaajay@...rosoft.com>,
Leon Romanovsky <leon@...nel.org>,
Jason Gunthorpe <jgg@...dia.com>
CC: Leon Romanovsky <leonro@...dia.com>,
"David S. Miller" <davem@...emloft.net>,
Dexuan Cui <decui@...rosoft.com>,
Eric Dumazet <edumazet@...gle.com>,
Haiyang Zhang <haiyangz@...rosoft.com>,
Jakub Kicinski <kuba@...nel.org>,
KY Srinivasan <kys@...rosoft.com>,
"linux-hyperv@...r.kernel.org" <linux-hyperv@...r.kernel.org>,
"linux-rdma@...r.kernel.org" <linux-rdma@...r.kernel.org>,
"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
Paolo Abeni <pabeni@...hat.com>,
Stephen Hemminger <sthemmin@...rosoft.com>,
Wei Liu <wei.liu@...nel.org>
Subject: RE: [EXTERNAL] [PATCH rdma-next] RDMA/mana: Remove redefinition of
basic u64 type
> From: Ajay Sharma <sharmaajay@...rosoft.com>
> Sent: Friday, November 11, 2022 8:27 PM
> To: Leon Romanovsky <leon@...nel.org>; Jason Gunthorpe <jgg@...dia.com>
> Cc: Leon Romanovsky <leonro@...dia.com>; David S. Miller
> <davem@...emloft.net>; Dexuan Cui <decui@...rosoft.com>; Eric Dumazet
> <edumazet@...gle.com>; Haiyang Zhang <haiyangz@...rosoft.com>; Jakub
> Kicinski <kuba@...nel.org>; KY Srinivasan <kys@...rosoft.com>; linux-
> hyperv@...r.kernel.org; linux-rdma@...r.kernel.org; Long Li
> <longli@...rosoft.com>; netdev@...r.kernel.org; Paolo Abeni
> <pabeni@...hat.com>; Stephen Hemminger <sthemmin@...rosoft.com>; Wei
> Liu <wei.liu@...nel.org>; Ajay Sharma <sharmaajay@...rosoft.com>
> Subject: RE: [EXTERNAL] [PATCH rdma-next] RDMA/mana: Remove redefinition
> of basic u64 type
>
> Agreed. This was just to keep in sync with the naming conventions on the
> firmware side.
>
> > -----Original Message-----
> > From: Leon Romanovsky <leon@...nel.org>
> > Sent: Friday, November 11, 2022 3:55 AM
> > To: Jason Gunthorpe <jgg@...dia.com>
> > Cc: Leon Romanovsky <leonro@...dia.com>; Ajay Sharma
> > <sharmaajay@...rosoft.com>; David S. Miller <davem@...emloft.net>;
> > Dexuan Cui <decui@...rosoft.com>; Eric Dumazet <edumazet@...gle.com>;
> > Haiyang Zhang <haiyangz@...rosoft.com>; Jakub Kicinski
> > <kuba@...nel.org>; KY Srinivasan <kys@...rosoft.com>;
> > linux-hyperv@...r.kernel.org; linux- rdma@...r.kernel.org; Long Li
> > <longli@...rosoft.com>; netdev@...r.kernel.org; Paolo Abeni
> > <pabeni@...hat.com>; Stephen Hemminger <sthemmin@...rosoft.com>;
> Wei
> > Liu <wei.liu@...nel.org>
> > Subject: [EXTERNAL] [PATCH rdma-next] RDMA/mana: Remove redefinition
> > of basic u64 type
> >
> > From: Leon Romanovsky <leonro@...dia.com>
> >
> > gdma_obj_handle_t is no more than redefinition of basic
> > u64 type. Remove such obfuscation.
> >
> > Signed-off-by: Leon Romanovsky <leonro@...dia.com>
Thank you.
Acked-by: Long Li <longli@...rosoft.com>
> > ---
> > drivers/infiniband/hw/mana/mr.c | 5 ++-
> > .../net/ethernet/microsoft/mana/gdma_main.c | 3 +-
> > include/net/mana/gdma.h | 31 +++++++++----------
> > 3 files changed, 17 insertions(+), 22 deletions(-)
> >
> > diff --git a/drivers/infiniband/hw/mana/mr.c
> > b/drivers/infiniband/hw/mana/mr.c index a56236cdd9ee..351207c60eb6
> > 100644
> > --- a/drivers/infiniband/hw/mana/mr.c
> > +++ b/drivers/infiniband/hw/mana/mr.c
> > @@ -73,8 +73,7 @@ static int mana_ib_gd_create_mr(struct mana_ib_dev
> > *dev, struct mana_ib_mr *mr,
> > return 0;
> > }
> >
> > -static int mana_ib_gd_destroy_mr(struct mana_ib_dev *dev,
> > - gdma_obj_handle_t mr_handle)
> > +static int mana_ib_gd_destroy_mr(struct mana_ib_dev *dev, u64
> > +mr_handle)
> > {
> > struct gdma_destroy_mr_response resp = {};
> > struct gdma_destroy_mr_request req = {}; @@ -108,9 +107,9 @@
> struct
> > ib_mr *mana_ib_reg_user_mr(struct ib_pd *ibpd, u64 start, u64 length,
> > struct mana_ib_pd *pd = container_of(ibpd, struct mana_ib_pd, ibpd);
> > struct gdma_create_mr_params mr_params = {};
> > struct ib_device *ibdev = ibpd->device;
> > - gdma_obj_handle_t dma_region_handle;
> > struct mana_ib_dev *dev;
> > struct mana_ib_mr *mr;
> > + u64 dma_region_handle;
> > int err;
> >
> > dev = container_of(ibdev, struct mana_ib_dev, ib_dev); diff --git
> > a/drivers/net/ethernet/microsoft/mana/gdma_main.c
> > b/drivers/net/ethernet/microsoft/mana/gdma_main.c
> > index 46a7d1e6ece9..69224ff8efb6 100644
> > --- a/drivers/net/ethernet/microsoft/mana/gdma_main.c
> > +++ b/drivers/net/ethernet/microsoft/mana/gdma_main.c
> > @@ -671,8 +671,7 @@ int mana_gd_create_hwc_queue(struct gdma_dev *gd,
> > return err;
> > }
> >
> > -int mana_gd_destroy_dma_region(struct gdma_context *gc,
> > - gdma_obj_handle_t dma_region_handle)
> > +int mana_gd_destroy_dma_region(struct gdma_context *gc, u64
> > +dma_region_handle)
> > {
> > struct gdma_destroy_dma_region_req req = {};
> > struct gdma_general_resp resp = {};
> > diff --git a/include/net/mana/gdma.h b/include/net/mana/gdma.h index
> > 221adc96340c..a9fdae14d24c 100644
> > --- a/include/net/mana/gdma.h
> > +++ b/include/net/mana/gdma.h
> > @@ -65,8 +65,6 @@ enum {
> > GDMA_DEVICE_MANA = 2,
> > };
> >
> > -typedef u64 gdma_obj_handle_t;
> > -
> > struct gdma_resource {
> > /* Protect the bitmap */
> > spinlock_t lock;
> > @@ -200,7 +198,7 @@ struct gdma_mem_info {
> > u64 length;
> >
> > /* Allocated by the PF driver */
> > - gdma_obj_handle_t dma_region_handle;
> > + u64 dma_region_handle;
> > };
> >
> > #define REGISTER_ATB_MST_MKEY_LOWER_SIZE 8 @@ -624,7 +622,7 @@
> struct
> > gdma_create_queue_req {
> > u32 reserved1;
> > u32 pdid;
> > u32 doolbell_id;
> > - gdma_obj_handle_t gdma_region;
> > + u64 gdma_region;
> > u32 reserved2;
> > u32 queue_size;
> > u32 log2_throttle_limit;
> > @@ -699,14 +697,14 @@ struct gdma_create_dma_region_req {
> >
> > struct gdma_create_dma_region_resp {
> > struct gdma_resp_hdr hdr;
> > - gdma_obj_handle_t dma_region_handle;
> > + u64 dma_region_handle;
> > }; /* HW DATA */
> >
> > /* GDMA_DMA_REGION_ADD_PAGES */
> > struct gdma_dma_region_add_pages_req {
> > struct gdma_req_hdr hdr;
> >
> > - gdma_obj_handle_t dma_region_handle;
> > + u64 dma_region_handle;
> >
> > u32 page_addr_list_len;
> > u32 reserved3;
> > @@ -718,7 +716,7 @@ struct gdma_dma_region_add_pages_req { struct
> > gdma_destroy_dma_region_req {
> > struct gdma_req_hdr hdr;
> >
> > - gdma_obj_handle_t dma_region_handle;
> > + u64 dma_region_handle;
> > }; /* HW DATA */
> >
> > enum gdma_pd_flags {
> > @@ -733,14 +731,14 @@ struct gdma_create_pd_req {
> >
> > struct gdma_create_pd_resp {
> > struct gdma_resp_hdr hdr;
> > - gdma_obj_handle_t pd_handle;
> > + u64 pd_handle;
> > u32 pd_id;
> > u32 reserved;
> > };/* HW DATA */
> >
> > struct gdma_destroy_pd_req {
> > struct gdma_req_hdr hdr;
> > - gdma_obj_handle_t pd_handle;
> > + u64 pd_handle;
> > };/* HW DATA */
> >
> > struct gdma_destory_pd_resp {
> > @@ -756,11 +754,11 @@ enum gdma_mr_type { };
> >
> > struct gdma_create_mr_params {
> > - gdma_obj_handle_t pd_handle;
> > + u64 pd_handle;
> > enum gdma_mr_type mr_type;
> > union {
> > struct {
> > - gdma_obj_handle_t dma_region_handle;
> > + u64 dma_region_handle;
> > u64 virtual_address;
> > enum gdma_mr_access_flags access_flags;
> > } gva;
> > @@ -769,13 +767,13 @@ struct gdma_create_mr_params {
> >
> > struct gdma_create_mr_request {
> > struct gdma_req_hdr hdr;
> > - gdma_obj_handle_t pd_handle;
> > + u64 pd_handle;
> > enum gdma_mr_type mr_type;
> > u32 reserved_1;
> >
> > union {
> > struct {
> > - gdma_obj_handle_t dma_region_handle;
> > + u64 dma_region_handle;
> > u64 virtual_address;
> > enum gdma_mr_access_flags access_flags;
> > } gva;
> > @@ -786,14 +784,14 @@ struct gdma_create_mr_request {
> >
> > struct gdma_create_mr_response {
> > struct gdma_resp_hdr hdr;
> > - gdma_obj_handle_t mr_handle;
> > + u64 mr_handle;
> > u32 lkey;
> > u32 rkey;
> > };/* HW DATA */
> >
> > struct gdma_destroy_mr_request {
> > struct gdma_req_hdr hdr;
> > - gdma_obj_handle_t mr_handle;
> > + u64 mr_handle;
> > };/* HW DATA */
> >
> > struct gdma_destroy_mr_response {
> > @@ -827,7 +825,6 @@ void mana_gd_free_memory(struct gdma_mem_info
> > *gmi); int mana_gd_send_request(struct gdma_context *gc, u32 req_len,
> > const void *req,
> > u32 resp_len, void *resp);
> >
> > -int mana_gd_destroy_dma_region(struct gdma_context *gc,
> > - gdma_obj_handle_t dma_region_handle);
> > +int mana_gd_destroy_dma_region(struct gdma_context *gc, u64
> > +dma_region_handle);
> >
> > #endif /* _GDMA_H */
> > --
> > 2.38.1
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