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Date: Sat, 12 Nov 2022 04:26:48 +0000
From: Ajay Sharma <sharmaajay@...rosoft.com>
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-hyperv@...r.kernel.org>,
"linux-rdma@...r.kernel.org" <linux-rdma@...r.kernel.org>,
Long Li <longli@...rosoft.com>,
"netdev@...r.kernel.org" <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>
> ---
> 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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