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Fri, 24 Feb 2023 17:45:28 +0000 Received: from DM5PR10MB1466.namprd10.prod.outlook.com ([fe80::7dd7:8d22:104:8d64]) by DM5PR10MB1466.namprd10.prod.outlook.com ([fe80::7dd7:8d22:104:8d64%7]) with mapi id 15.20.6156.007; Fri, 24 Feb 2023 17:45:28 +0000 From: Mike Christie To: bvanassche@acm.org, hch@lst.de, martin.petersen@oracle.com, linux-scsi@vger.kernel.org, james.bottomley@hansenpartnership.com, linux-block@vger.kernel.org, dm-devel@redhat.com, snitzer@kernel.org, axboe@kernel.dk, linux-nvme@lists.infradead.org, chaitanyak@nvidia.com, kbusch@kernel.org, target-devel@vger.kernel.org Cc: Mike Christie Subject: [PATCH v4 16/18] scsi: target: Pass struct target_opcode_descriptor to enabled Date: Fri, 24 Feb 2023 11:45:00 -0600 Message-Id: <20230224174502.321490-17-michael.christie@oracle.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230224174502.321490-1-michael.christie@oracle.com> References: <20230224174502.321490-1-michael.christie@oracle.com> X-ClientProxiedBy: DS7PR05CA0040.namprd05.prod.outlook.com (2603:10b6:8:2f::33) To DM5PR10MB1466.namprd10.prod.outlook.com (2603:10b6:3:b::7) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DM5PR10MB1466:EE_|CH0PR10MB7535:EE_ X-MS-Office365-Filtering-Correlation-Id: 6fa3cbf2-958b-463c-fcb8-08db168eeacd X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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This adds a struct target_opcode_descriptor as an argument to the enabled callout so we can still have the common tcm_is_pr_enabled and tcm_is_scsi2_reservations_enabled functions and also determine if the command is supported based on the command and service action and device settings. Signed-off-by: Mike Christie --- drivers/target/target_core_spc.c | 40 +++++++++++++++++++------------ include/target/target_core_base.h | 3 ++- 2 files changed, 27 insertions(+), 16 deletions(-) diff --git a/drivers/target/target_core_spc.c b/drivers/target/target_core_spc.c index 00d34616df5d..caf8d1325007 100644 --- a/drivers/target/target_core_spc.c +++ b/drivers/target/target_core_spc.c @@ -1429,7 +1429,8 @@ static struct target_opcode_descriptor tcm_opcode_write_verify16 = { .update_usage_bits = set_dpofua_usage_bits, }; -static bool tcm_is_ws_enabled(struct se_cmd *cmd) +static bool tcm_is_ws_enabled(struct target_opcode_descriptor *descr, + struct se_cmd *cmd) { struct exec_cmd_ops *ops = cmd->protocol_data; struct se_device *dev = cmd->se_dev; @@ -1456,7 +1457,8 @@ static struct target_opcode_descriptor tcm_opcode_write_same32 = { .update_usage_bits = set_dpofua_usage_bits32, }; -static bool tcm_is_caw_enabled(struct se_cmd *cmd) +static bool tcm_is_caw_enabled(struct target_opcode_descriptor *descr, + struct se_cmd *cmd) { struct se_device *dev = cmd->se_dev; @@ -1496,7 +1498,8 @@ static struct target_opcode_descriptor tcm_opcode_read_capacity16 = { 0xff, 0xff, 0x00, SCSI_CONTROL_MASK}, }; -static bool tcm_is_rep_ref_enabled(struct se_cmd *cmd) +static bool tcm_is_rep_ref_enabled(struct target_opcode_descriptor *descr, + struct se_cmd *cmd) { struct se_device *dev = cmd->se_dev; @@ -1507,7 +1510,6 @@ static bool tcm_is_rep_ref_enabled(struct se_cmd *cmd) } spin_unlock(&dev->t10_alua.lba_map_lock); return true; - } static struct target_opcode_descriptor tcm_opcode_read_report_refferals = { @@ -1542,7 +1544,8 @@ static struct target_opcode_descriptor tcm_opcode_sync_cache16 = { 0xff, 0xff, SCSI_GROUP_NUMBER_MASK, SCSI_CONTROL_MASK}, }; -static bool tcm_is_unmap_enabled(struct se_cmd *cmd) +static bool tcm_is_unmap_enabled(struct target_opcode_descriptor *descr, + struct se_cmd *cmd) { struct exec_cmd_ops *ops = cmd->protocol_data; struct se_device *dev = cmd->se_dev; @@ -1664,7 +1667,8 @@ static struct target_opcode_descriptor tcm_opcode_pri_read_resrv = { 0xff, SCSI_CONTROL_MASK}, }; -static bool tcm_is_pr_enabled(struct se_cmd *cmd) +static bool tcm_is_pr_enabled(struct target_opcode_descriptor *descr, + struct se_cmd *cmd) { struct se_device *dev = cmd->se_dev; @@ -1793,7 +1797,9 @@ static struct target_opcode_descriptor tcm_opcode_pro_register_move = { .enabled = tcm_is_pr_enabled, }; -static bool tcm_is_scsi2_reservations_enabled(struct se_cmd *cmd) +static bool +tcm_is_scsi2_reservations_enabled(struct target_opcode_descriptor *descr, + struct se_cmd *cmd) { struct se_device *dev = cmd->se_dev; @@ -1854,7 +1860,8 @@ static struct target_opcode_descriptor tcm_opcode_inquiry = { 0xff, SCSI_CONTROL_MASK}, }; -static bool tcm_is_3pc_enabled(struct se_cmd *cmd) +static bool tcm_is_3pc_enabled(struct target_opcode_descriptor *descr, + struct se_cmd *cmd) { struct se_device *dev = cmd->se_dev; @@ -1915,8 +1922,8 @@ static struct target_opcode_descriptor tcm_opcode_report_target_pgs = { 0xff, 0xff, 0x00, SCSI_CONTROL_MASK}, }; - -static bool spc_rsoc_enabled(struct se_cmd *cmd) +static bool spc_rsoc_enabled(struct target_opcode_descriptor *descr, + struct se_cmd *cmd) { struct se_device *dev = cmd->se_dev; @@ -1936,7 +1943,8 @@ static struct target_opcode_descriptor tcm_opcode_report_supp_opcodes = { .enabled = spc_rsoc_enabled, }; -static bool tcm_is_set_tpg_enabled(struct se_cmd *cmd) +static bool tcm_is_set_tpg_enabled(struct target_opcode_descriptor *descr, + struct se_cmd *cmd) { struct t10_alua_tg_pt_gp *l_tg_pt_gp; struct se_lun *l_lun = cmd->se_lun; @@ -2123,7 +2131,7 @@ spc_rsoc_get_descr(struct se_cmd *cmd, struct target_opcode_descriptor **opcode) if (descr->serv_action_valid) return TCM_INVALID_CDB_FIELD; - if (!descr->enabled || descr->enabled(cmd)) + if (!descr->enabled || descr->enabled(descr, cmd)) *opcode = descr; break; case 0x2: @@ -2137,7 +2145,8 @@ spc_rsoc_get_descr(struct se_cmd *cmd, struct target_opcode_descriptor **opcode) */ if (descr->serv_action_valid && descr->service_action == requested_sa) { - if (!descr->enabled || descr->enabled(cmd)) + if (!descr->enabled || descr->enabled(descr, + cmd)) *opcode = descr; } else if (!descr->serv_action_valid) return TCM_INVALID_CDB_FIELD; @@ -2150,7 +2159,8 @@ spc_rsoc_get_descr(struct se_cmd *cmd, struct target_opcode_descriptor **opcode) * be returned in the one_command parameter data format. */ if (descr->service_action == requested_sa) - if (!descr->enabled || descr->enabled(cmd)) + if (!descr->enabled || descr->enabled(descr, + cmd)) *opcode = descr; break; } @@ -2207,7 +2217,7 @@ spc_emulate_report_supp_op_codes(struct se_cmd *cmd) for (i = 0; i < ARRAY_SIZE(tcm_supported_opcodes); i++) { descr = tcm_supported_opcodes[i]; - if (descr->enabled && !descr->enabled(cmd)) + if (descr->enabled && !descr->enabled(descr, cmd)) continue; response_length += spc_rsoc_encode_command_descriptor( diff --git a/include/target/target_core_base.h b/include/target/target_core_base.h index 12c9ba16217e..04646b3dbf75 100644 --- a/include/target/target_core_base.h +++ b/include/target/target_core_base.h @@ -878,7 +878,8 @@ struct target_opcode_descriptor { u8 specific_timeout; u16 nominal_timeout; u16 recommended_timeout; - bool (*enabled)(struct se_cmd *cmd); + bool (*enabled)(struct target_opcode_descriptor *descr, + struct se_cmd *cmd); void (*update_usage_bits)(u8 *usage_bits, struct se_device *dev); u8 usage_bits[];