* [PATCH v3 1/2] scsi: ibmvfc: use compiler attribute defines instead of __attribute__()
@ 2020-09-04 23:29 Tyrel Datwyler
2020-09-04 23:29 ` [PATCH v3 2/2] scsi: ibmvfc: interface updates for future FPIN and MQ support Tyrel Datwyler
2020-09-09 2:04 ` [PATCH v3 1/2] scsi: ibmvfc: use compiler attribute defines instead of __attribute__() Martin K. Petersen
0 siblings, 2 replies; 3+ messages in thread
From: Tyrel Datwyler @ 2020-09-04 23:29 UTC (permalink / raw)
To: james.bottomley
Cc: Tyrel Datwyler, martin.petersen, linux-scsi, linux-kernel,
brking, linuxppc-dev
Update ibmvfc.h structs to use the preferred __packed and __aligned()
attribute macros defined in include/linux/compiler_attributes.h in place
of __attribute__().
Signed-off-by: Tyrel Datwyler <tyreld@linux.ibm.com>
---
drivers/scsi/ibmvscsi/ibmvfc.h | 56 +++++++++++++++++-----------------
1 file changed, 28 insertions(+), 28 deletions(-)
diff --git a/drivers/scsi/ibmvscsi/ibmvfc.h b/drivers/scsi/ibmvscsi/ibmvfc.h
index 907889f1fa9d..6da23666f5be 100644
--- a/drivers/scsi/ibmvscsi/ibmvfc.h
+++ b/drivers/scsi/ibmvscsi/ibmvfc.h
@@ -133,16 +133,16 @@ struct ibmvfc_mad_common {
__be16 status;
__be16 length;
__be64 tag;
-}__attribute__((packed, aligned (8)));
+} __packed __aligned(8);
struct ibmvfc_npiv_login_mad {
struct ibmvfc_mad_common common;
struct srp_direct_buf buffer;
-}__attribute__((packed, aligned (8)));
+} __packed __aligned(8);
struct ibmvfc_npiv_logout_mad {
struct ibmvfc_mad_common common;
-}__attribute__((packed, aligned (8)));
+} __packed __aligned(8);
#define IBMVFC_MAX_NAME 256
@@ -168,7 +168,7 @@ struct ibmvfc_npiv_login {
u8 device_name[IBMVFC_MAX_NAME];
u8 drc_name[IBMVFC_MAX_NAME];
__be64 reserved2[2];
-}__attribute__((packed, aligned (8)));
+} __packed __aligned(8);
struct ibmvfc_common_svc_parms {
__be16 fcph_version;
@@ -177,7 +177,7 @@ struct ibmvfc_common_svc_parms {
__be16 bb_rcv_sz; /* upper nibble is BB_SC_N */
__be32 ratov;
__be32 edtov;
-}__attribute__((packed, aligned (4)));
+} __packed __aligned(4);
struct ibmvfc_service_parms {
struct ibmvfc_common_svc_parms common;
@@ -192,7 +192,7 @@ struct ibmvfc_service_parms {
__be32 ext_len;
__be32 reserved[30];
__be32 clk_sync_qos[2];
-}__attribute__((packed, aligned (4)));
+} __packed __aligned(4);
struct ibmvfc_npiv_login_resp {
__be32 version;
@@ -217,12 +217,12 @@ struct ibmvfc_npiv_login_resp {
u8 drc_name[IBMVFC_MAX_NAME];
struct ibmvfc_service_parms service_parms;
__be64 reserved2;
-}__attribute__((packed, aligned (8)));
+} __packed __aligned(8);
union ibmvfc_npiv_login_data {
struct ibmvfc_npiv_login login;
struct ibmvfc_npiv_login_resp resp;
-}__attribute__((packed, aligned (8)));
+} __packed __aligned(8);
struct ibmvfc_discover_targets_buf {
__be32 scsi_id[1];
@@ -239,7 +239,7 @@ struct ibmvfc_discover_targets {
__be32 num_avail;
__be32 num_written;
__be64 reserved[2];
-}__attribute__((packed, aligned (8)));
+} __packed __aligned(8);
enum ibmvfc_fc_reason {
IBMVFC_INVALID_ELS_CMD_CODE = 0x01,
@@ -283,7 +283,7 @@ struct ibmvfc_port_login {
struct ibmvfc_service_parms service_parms;
struct ibmvfc_service_parms service_parms_change;
__be64 reserved3[2];
-}__attribute__((packed, aligned (8)));
+} __packed __aligned(8);
struct ibmvfc_prli_svc_parms {
u8 type;
@@ -303,7 +303,7 @@ struct ibmvfc_prli_svc_parms {
#define IBMVFC_PRLI_TARGET_FUNC 0x00000010
#define IBMVFC_PRLI_READ_FCP_XFER_RDY_DISABLED 0x00000002
#define IBMVFC_PRLI_WR_FCP_XFER_RDY_DISABLED 0x00000001
-}__attribute__((packed, aligned (4)));
+} __packed __aligned(4);
struct ibmvfc_process_login {
struct ibmvfc_mad_common common;
@@ -314,7 +314,7 @@ struct ibmvfc_process_login {
__be16 error; /* also fc_reason */
__be32 reserved2;
__be64 reserved3[2];
-}__attribute__((packed, aligned (8)));
+} __packed __aligned(8);
struct ibmvfc_query_tgt {
struct ibmvfc_mad_common common;
@@ -325,13 +325,13 @@ struct ibmvfc_query_tgt {
__be16 fc_explain;
__be16 fc_type;
__be64 reserved[2];
-}__attribute__((packed, aligned (8)));
+} __packed __aligned(8);
struct ibmvfc_implicit_logout {
struct ibmvfc_mad_common common;
__be64 old_scsi_id;
__be64 reserved[2];
-}__attribute__((packed, aligned (8)));
+} __packed __aligned(8);
struct ibmvfc_tmf {
struct ibmvfc_mad_common common;
@@ -348,7 +348,7 @@ struct ibmvfc_tmf {
__be32 my_cancel_key;
__be32 pad;
__be64 reserved[2];
-}__attribute__((packed, aligned (8)));
+} __packed __aligned(8);
enum ibmvfc_fcp_rsp_info_codes {
RSP_NO_FAILURE = 0x00,
@@ -361,7 +361,7 @@ struct ibmvfc_fcp_rsp_info {
u8 reserved[3];
u8 rsp_code;
u8 reserved2[4];
-}__attribute__((packed, aligned (2)));
+} __packed __aligned(2);
enum ibmvfc_fcp_rsp_flags {
FCP_BIDI_RSP = 0x80,
@@ -377,7 +377,7 @@ enum ibmvfc_fcp_rsp_flags {
union ibmvfc_fcp_rsp_data {
struct ibmvfc_fcp_rsp_info info;
u8 sense[SCSI_SENSE_BUFFERSIZE + sizeof(struct ibmvfc_fcp_rsp_info)];
-}__attribute__((packed, aligned (8)));
+} __packed __aligned(8);
struct ibmvfc_fcp_rsp {
__be64 reserved;
@@ -388,7 +388,7 @@ struct ibmvfc_fcp_rsp {
__be32 fcp_sense_len;
__be32 fcp_rsp_len;
union ibmvfc_fcp_rsp_data data;
-}__attribute__((packed, aligned (8)));
+} __packed __aligned(8);
enum ibmvfc_cmd_flags {
IBMVFC_SCATTERLIST = 0x0001,
@@ -422,7 +422,7 @@ struct ibmvfc_fcp_cmd_iu {
#define IBMVFC_WRDATA 0x01
u8 cdb[IBMVFC_MAX_CDB_LEN];
__be32 xfer_len;
-}__attribute__((packed, aligned (4)));
+} __packed __aligned(4);
struct ibmvfc_cmd {
__be64 task_tag;
@@ -446,7 +446,7 @@ struct ibmvfc_cmd {
__be64 reserved3[2];
struct ibmvfc_fcp_cmd_iu iu;
struct ibmvfc_fcp_rsp rsp;
-}__attribute__((packed, aligned (8)));
+} __packed __aligned(8);
struct ibmvfc_passthru_fc_iu {
__be32 payload[7];
@@ -473,18 +473,18 @@ struct ibmvfc_passthru_iu {
__be64 scsi_id;
__be64 tag;
__be64 reserved2[2];
-}__attribute__((packed, aligned (8)));
+} __packed __aligned(8);
struct ibmvfc_passthru_mad {
struct ibmvfc_mad_common common;
struct srp_direct_buf cmd_ioba;
struct ibmvfc_passthru_iu iu;
struct ibmvfc_passthru_fc_iu fc_iu;
-}__attribute__((packed, aligned (8)));
+} __packed __aligned(8);
struct ibmvfc_trace_start_entry {
u32 xfer_len;
-}__attribute__((packed));
+} __packed;
struct ibmvfc_trace_end_entry {
u16 status;
@@ -493,7 +493,7 @@ struct ibmvfc_trace_end_entry {
u8 rsp_code;
u8 scsi_status;
u8 reserved;
-}__attribute__((packed));
+} __packed;
struct ibmvfc_trace_entry {
struct ibmvfc_event *evt;
@@ -510,7 +510,7 @@ struct ibmvfc_trace_entry {
struct ibmvfc_trace_start_entry start;
struct ibmvfc_trace_end_entry end;
} u;
-}__attribute__((packed, aligned (8)));
+} __packed __aligned(8);
enum ibmvfc_crq_formats {
IBMVFC_CMD_FORMAT = 0x01,
@@ -545,7 +545,7 @@ struct ibmvfc_crq {
volatile u8 format;
u8 reserved[6];
volatile __be64 ioba;
-}__attribute__((packed, aligned (8)));
+} __packed __aligned(8);
struct ibmvfc_crq_queue {
struct ibmvfc_crq *msgs;
@@ -570,7 +570,7 @@ struct ibmvfc_async_crq {
volatile __be64 wwpn;
volatile __be64 node_name;
__be64 reserved;
-}__attribute__((packed, aligned (8)));
+} __packed __aligned(8);
struct ibmvfc_async_crq_queue {
struct ibmvfc_async_crq *msgs;
@@ -590,7 +590,7 @@ union ibmvfc_iu {
struct ibmvfc_tmf tmf;
struct ibmvfc_cmd cmd;
struct ibmvfc_passthru_mad passthru;
-}__attribute__((packed, aligned (8)));
+} __packed __aligned(8);
enum ibmvfc_target_action {
IBMVFC_TGT_ACTION_NONE = 0,
--
2.27.0
^ permalink raw reply related [flat|nested] 3+ messages in thread
* [PATCH v3 2/2] scsi: ibmvfc: interface updates for future FPIN and MQ support
2020-09-04 23:29 [PATCH v3 1/2] scsi: ibmvfc: use compiler attribute defines instead of __attribute__() Tyrel Datwyler
@ 2020-09-04 23:29 ` Tyrel Datwyler
2020-09-09 2:04 ` [PATCH v3 1/2] scsi: ibmvfc: use compiler attribute defines instead of __attribute__() Martin K. Petersen
1 sibling, 0 replies; 3+ messages in thread
From: Tyrel Datwyler @ 2020-09-04 23:29 UTC (permalink / raw)
To: james.bottomley
Cc: Tyrel Datwyler, martin.petersen, linux-scsi, linux-kernel,
brking, linuxppc-dev
VIOS partitions with SLI-4 enabled Emulex adapters will be capable of
driving IO in parallel through mulitple work queues or channels, and
with new hyperviosr firmware that supports multiple interrupt sources
an ibmvfc NPIV single initiator can be modified to exploit end to end
channelization in a PowerVM environment.
VIOS hosts will also be able to expose fabric perfromance impact
notifications (FPIN) via a new asynchronous event to ibmvfc clients that
advertise support via IBMVFC_CAN_HANDLE_FPIN in their capabilities flag
during NPIV_LOGIN.
This patch introduces three new Management Datagrams (MADs) for
channelization support negotiation as well as the FPIN asynchronous
event and FPIN status flags. Follow up work is required to plumb the
ibmvfc client driver to use these new interfaces.
Signed-off-by: Tyrel Datwyler <tyreld@linux.ibm.com>
---
v2 -> v3:
Fixup checkpatch warnings about using __attribute__()
v1 -> v2:
Fixup complier errors from neglected commit --amend
---
drivers/scsi/ibmvscsi/ibmvfc.h | 66 +++++++++++++++++++++++++++++++++-
1 file changed, 65 insertions(+), 1 deletion(-)
diff --git a/drivers/scsi/ibmvscsi/ibmvfc.h b/drivers/scsi/ibmvscsi/ibmvfc.h
index 6da23666f5be..e6e1c255a79c 100644
--- a/drivers/scsi/ibmvscsi/ibmvfc.h
+++ b/drivers/scsi/ibmvscsi/ibmvfc.h
@@ -124,6 +124,9 @@ enum ibmvfc_mad_types {
IBMVFC_PASSTHRU = 0x0200,
IBMVFC_TMF_MAD = 0x0100,
IBMVFC_NPIV_LOGOUT = 0x0800,
+ IBMVFC_CHANNEL_ENQUIRY = 0x1000,
+ IBMVFC_CHANNEL_SETUP = 0x2000,
+ IBMVFC_CONNECTION_INFO = 0x4000,
};
struct ibmvfc_mad_common {
@@ -162,6 +165,8 @@ struct ibmvfc_npiv_login {
__be32 max_cmds;
__be64 capabilities;
#define IBMVFC_CAN_MIGRATE 0x01
+#define IBMVFC_CAN_USE_CHANNELS 0x02
+#define IBMVFC_CAN_HANDLE_FPIN 0x04
__be64 node_name;
struct srp_direct_buf async;
u8 partition_name[IBMVFC_MAX_NAME];
@@ -204,6 +209,7 @@ struct ibmvfc_npiv_login_resp {
__be64 capabilities;
#define IBMVFC_CAN_FLUSH_ON_HALT 0x08
#define IBMVFC_CAN_SUPPRESS_ABTS 0x10
+#define IBMVFC_CAN_SUPPORT_CHANNELS 0x20
__be32 max_cmds;
__be32 scsi_id_sz;
__be64 max_dma_len;
@@ -482,6 +488,52 @@ struct ibmvfc_passthru_mad {
struct ibmvfc_passthru_fc_iu fc_iu;
} __packed __aligned(8);
+struct ibmvfc_channel_enquiry {
+ struct ibmvfc_mad_common common;
+ __be32 flags;
+#define IBMVFC_NO_CHANNELS_TO_CRQ_SUPPORT 0x01
+#define IBMVFC_SUPPORT_VARIABLE_SUBQ_MSG 0x02
+#define IBMVFC_NO_N_TO_M_CHANNELS_SUPPORT 0x04
+ __be32 num_scsi_subq_channels;
+ __be32 num_nvmeof_subq_channels;
+ __be32 num_scsi_vas_channels;
+ __be32 num_nvmeof_vas_channels;
+} __packed __aligned(8);
+
+struct ibmvfc_channel_setup_mad {
+ struct ibmvfc_mad_common common;
+ struct srp_direct_buf buffer;
+} __packed __aligned(8);
+
+#define IBMVFC_MAX_CHANNELS 502
+
+struct ibmvfc_channel_setup {
+ __be32 flags;
+#define IBMVFC_CANCEL_CHANNELS 0x01
+#define IBMVFC_USE_BUFFER 0x02
+#define IBMVFC_CHANNELS_CANCELED 0x04
+ __be32 reserved;
+ __be32 num_scsi_subq_channels;
+ __be32 num_nvmeof_subq_channels;
+ __be32 num_scsi_vas_channels;
+ __be32 num_nvmeof_vas_channels;
+ struct srp_direct_buf buffer;
+ __be64 reserved2[5];
+ __be64 channel_handles[IBMVFC_MAX_CHANNELS];
+} __packed __aligned(8);
+
+struct ibmvfc_connection_info {
+ struct ibmvfc_mad_common common;
+ __be64 information_bits;
+#define IBMVFC_NO_FC_IO_CHANNEL 0x01
+#define IBMVFC_NO_PHYP_VAS 0x02
+#define IBMVFC_NO_PHYP_SUBQ 0x04
+#define IBMVFC_PHYP_DEPRECATED_SUBQ 0x08
+#define IBMVFC_PHYP_PRESERVED_SUBQ 0x10
+#define IBMVFC_PHYP_FULL_SUBQ 0x20
+ __be64 reserved[16];
+} __packed __aligned(8);
+
struct ibmvfc_trace_start_entry {
u32 xfer_len;
} __packed;
@@ -532,6 +584,7 @@ enum ibmvfc_async_event {
IBMVFC_AE_HALT = 0x0400,
IBMVFC_AE_RESUME = 0x0800,
IBMVFC_AE_ADAPTER_FAILED = 0x1000,
+ IBMVFC_AE_FPIN = 0x2000,
};
struct ibmvfc_async_desc {
@@ -560,10 +613,18 @@ enum ibmvfc_ae_link_state {
IBMVFC_AE_LS_LINK_DEAD = 0x08,
};
+enum ibmvfc_ae_fpin_status {
+ IBMVFC_AE_FPIN_LINK_CONGESTED = 0x1,
+ IBMVFC_AE_FPIN_PORT_CONGESTED = 0x2,
+ IBMVFC_AE_FPIN_PORT_CLEARED = 0x3,
+ IBMVFC_AE_FPIN_PORT_DEGRADED = 0x4,
+};
+
struct ibmvfc_async_crq {
volatile u8 valid;
u8 link_state;
- u8 pad[2];
+ u8 fpin_status;
+ u8 pad;
__be32 pad2;
volatile __be64 event;
volatile __be64 scsi_id;
@@ -590,6 +651,9 @@ union ibmvfc_iu {
struct ibmvfc_tmf tmf;
struct ibmvfc_cmd cmd;
struct ibmvfc_passthru_mad passthru;
+ struct ibmvfc_channel_enquiry channel_enquiry;
+ struct ibmvfc_channel_setup_mad channel_setup;
+ struct ibmvfc_connection_info connection_info;
} __packed __aligned(8);
enum ibmvfc_target_action {
--
2.27.0
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH v3 1/2] scsi: ibmvfc: use compiler attribute defines instead of __attribute__()
2020-09-04 23:29 [PATCH v3 1/2] scsi: ibmvfc: use compiler attribute defines instead of __attribute__() Tyrel Datwyler
2020-09-04 23:29 ` [PATCH v3 2/2] scsi: ibmvfc: interface updates for future FPIN and MQ support Tyrel Datwyler
@ 2020-09-09 2:04 ` Martin K. Petersen
1 sibling, 0 replies; 3+ messages in thread
From: Martin K. Petersen @ 2020-09-09 2:04 UTC (permalink / raw)
To: Tyrel Datwyler
Cc: martin.petersen, linux-scsi, linux-kernel, james.bottomley,
brking, linuxppc-dev
Tyrel,
> Update ibmvfc.h structs to use the preferred __packed and __aligned()
> attribute macros defined in include/linux/compiler_attributes.h in place
> of __attribute__().
Applied 1+2 to my 5.10 staging tree. Thanks!
--
Martin K. Petersen Oracle Linux Engineering
^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2020-09-09 2:06 UTC | newest]
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